| Artigo em revista |
- Carla Cunha; Mariana Peixoto; José A. Paixão; Marta Pineiro; J. Sérgio Seixas de Melo. "Tuning the AIE Properties of Di-tert-Butyl-diphenyldibenzofulvene
Derivatives". The Journal of Physical Chemistry C (2024): https://doi.org/10.1021/acs.jpcc.3c06436.
10.1021/acs.jpcc.3c06436
- Delgado-Pinar, Estefanía; Medeiros, Matilde; Costa, Telma; Seixas de Melo, J. Sérgio. "Highly Selective Fluorescent Sensors:
Polyethylenimine Derivatives of Triphenylamine and Coumarin for GTP and ATP Interaction via Fluorescence Lifetime Imaging
Microscopy". ACS Applied Polymer Materials 5 8 (2023): 6176-6185. http://dx.doi.org/10.1021/acsapm.3c00834.
10.1021/acsapm.3c00834
- Costa, Telma; Peixoto, Mariana; Pineiro, Marta; Seixas de Melo, J. Sérgio. "Solvent-Driven Self-Organization of Meso-Substituted
Porphyrins: Morphological Analysis from Fluorescence Lifetime Imaging Microscopy". Langmuir 39 16 (2023): 5727-5737.
http://dx.doi.org/10.1021/acs.langmuir.2c03468.
10.1021/acs.langmuir.2c03468
- Nobre, Danîela C.; Delgado-Pinar, Estefanía; Cunha, Carla; Galvão, Adelino M.; Seixas de Melo, J. Sérgio. "Indirubin: Nature
finding efficient light-activated protective molecular mechanisms". Dyes and Pigments 212 (2023): 111116. http://dx.doi.org/10.1016/j.dyepig.2023.111116.
10.1016/j.dyepig.2023.111116
- Carla Cunha; Mariana S. Peixoto; Joana Santos; Paulo E. Abreu; José A. Paixão; Marta Pineiro; J. Sérgio Seixas de Melo. "Practical
Design of 3,6-Di-tert-butyldiphenyldibenzofulvene Derivatives with Enhanced Aggregation-Induced Emission". ACS Applied
Optical Materials (2023): https://doi.org/10.1021/acsaom.2c00067.
10.1021/acsaom.2c00067
- Pinheiro, Daniela; Sousa, Joana F.M.; Pineiro, Marta; Valente, Artur J.M.; Seixas de Melo, J. Sérgio. "Non-pre-treated sulfonated
poly(ether ether ketone) membrane as an efficient alternative for Nafion in acidic aqueous organic redox flow batteries".
Journal of Energy Storage 57 (2023): 106201. http://dx.doi.org/10.1016/j.est.2022.106201.
10.1016/j.est.2022.106201
- Saadi, Hajer; Benzarti, Zohra; Sanguino, Pedro; Pina, João; Abdelmoula, Najmeddine; Seixas de Melo, João Sérgio. "Enhancing
the electrical conductivity and the dielectric features of ZnO nanoparticles through Co doping effect for energy storage applications".
Journal of Materials Science: Materials in Electronics 34 2 (2023): http://dx.doi.org/10.1007/s10854-022-09470-5.
10.1007/s10854-022-09470-5
- Ana Clara B. Rodrigues; Susana M. M. Lopes; Carla Cunha; João Braz; Teresa M. V. D. Pinho e Melo; J. Sérgio Seixas de Melo;
Marta Pineiro. "The role of solvents and concentrations in the properties of oxime bearing A2B corroles". Physical Chemistry
Chemical Physics (2023): https://doi.org/10.1039/D2CP05941J.
10.1039/D2CP05941J
- Ana L. Costa; Rodrigo P. Monteiro; Paulo D. Nunes Barradas; Simone C. R. Ferreira; Carla Cunha; Ana C. Gomes; Isabel S. Gonçalves;
J. Sérgio Seixas de Melo; Martyn Pillinger. "Enhanced thermal and photo-stability of a para-substituted dicumyl ketone intercalated
in a layered double hydroxide". Frontiers in Chemistry 10 (2022): http://dx.doi.org/10.3389/fchem.2022.1004586.
10.3389/fchem.2022.1004586
- Simone C.R. Ferreira; Martina Franchi; Alberto A.C.C. Pais; J. Sérgio Seixas de Melo. "The chemistry behind the first Portuguese
postage stamps (1853–1894). A non-destructive analytical and chemometric analysis of pigments, fillers and binders". Dyes
and Pigments (2022): https://doi.org/10.1016/j.dyepig.2022.110519.
10.1016/j.dyepig.2022.110519
- Carla Cunha; Andrea Pinto; Adelino Galvão; Laura Rodríguez; J. Sérgio Seixas de Melo. "Aggregation-Induced Emission with Alkynylcoumarin
Dinuclear Gold(I) Complexes: Photophysical, Dynamic Light Scattering, and Time-Dependent Density Functional Theory Studies".
Inorganic Chemistry (2022): https://doi.org/10.1021/acs.inorgchem.2c00366.
10.1021/acs.inorgchem.2c00366
- Mafalda Laranjo; Nelson A. M. Pereira; Andreia S. R. Oliveira; Márcia Campos Aguiar; Gonçalo Brites; Bruno F. O. Nascimento;
Beatriz Serambeque; et al. "Ring-Fused meso-Tetraarylchlorins as Auspicious PDT Sensitizers: Synthesis, Structural Characterization,
Photophysics, and Biological Evaluation". Frontiers in Chemistry 10 (2022): http://dx.doi.org/10.3389/fchem.2022.873245.
10.3389/fchem.2022.873245
- Estefanía Delgado-Pinar; Isabel Pont; Enrique García-España; J. Sérgio Seixas de Melo. "Cucurbituril hosts as promoters of
aggregation induced emission of triphenylamine derivatives". Physical Chemistry Chemical Physics (2022): https://doi.org/10.1039/D1CP04821J.
10.1039/D1CP04821J
- Catarina M. Pinto; João Pina; Estefanía Delgado-Pinar; J. Sérgio Seixas de Melo. "Excited state deactivation mechanisms in
Shikonin rationalized from its naphthoquinone parent structures". Physical Chemistry Chemical Physics (2022): https://doi.org/10.1039/D2CP01829B.
10.1039/D2CP01829B
- Daniela Pinheiro; Marta Pineiro; J. Sérgio Seixas de Melo. "Sulfonated tryptanthrin anolyte increases performance in pH neutral
aqueous redox flow batteries". Communications Chemistry (2021): https://doi.org/10.1038/s42004-021-00523-0.
10.1038/s42004-021-00523-0
- Rodrigues ACB; Peixoto M; Gomes C; Pineiro M; Seixas de Melo JS. "Aggregation-Induced Emission Leading to White Light Emission
in Diphenylbenzofulvene Derivatives.". Chemistry (Weinheim an der Bergstrasse, Germany) (2021): http://europepmc.org/abstract/med/34882839.
10.1002/chem.202103768
- Sousa, Joana F.M.; Pina, João; Gomes, Carla; Dias, Lucas D.; Pereira, Mariette M.; Murtinho, Dina; Dias, Paula; et al. "Transport
and photophysical studies on porphyrin-containing sulfonated poly(etheretherketone) composite membranes". Materials Today
Communications 29 (2021): 102781. http://dx.doi.org/10.1016/j.mtcomm.2021.102781.
10.1016/j.mtcomm.2021.102781
- Daniela Pinheiro; Marta Pineiro; J. Sérgio Seixas de Melo. "Tryptanthrin derivatives as efficient singlet oxygen sensitizers".
Photochemical & Photobiological Sciences (2021): https://doi.org/10.1007/s43630-021-00117-8.
10.1007/s43630-021-00117-8
- Andrea Pinto; Carla Cunha; Gabriel Aullón; João Carlos Lima; Laura Rodríguez; J. Sérgio Seixas de Melo. "Comprehensive Investigation
of the Photophysical Properties of Alkynylcoumarin Gold(I) Complexes". The Journal of Physical Chemistry B (2021):
https://doi.org/10.1021/acs.jpcb.1c07985.
10.1021/acs.jpcb.1c07985
- Carla Cunha; Patrick Klein; Christine Rosenauer; Ullrich Scherf; J. Sérgio Seixas de Melo. "Fluorescence Studies on a Thermoresponsive
PNIPAM-Polyfluorene Graft Copolymer". Macromolecules (2021): https://doi.org/10.1021/acs.macromol.1c00827.
10.1021/acs.macromol.1c00827
- Dario Wetterling; Michael Forster; Ana Clara B. Rodrigues; J. Sérgio Seixas Melo; Ullrich Scherf. "Cationic Diazapentacenium
Polymers made in a Sequence of C-N Cross Coupling Polymerization and Acid-mediated Post-polymerization Cyclization". Macromolecular
Rapid Communications (2021): https://doi.org/10.1002/marc.202100370.
10.1002/marc.202100370
- Seixas de Melo, J. Sérgio; Rodrigues, Ana Clara Beltran; Scherf, Ullrich; Wetterling, Dario. "Tuning J-aggregate formation
and emission efficiency in cationic diazapentacenium dyes". Chemistry - A European Journal (2021):
No prelo
- Daniela Pinheiro; Adelino M. Galvão; Marta Pineiro; J. Sérgio Seixas de Melo. "Red-Purple Photochromic Indigos from Green
Chemistry: Mono-tBOC or Di-tBOC N-Substituted Indigos Displaying Excited State Proton Transfer or Photoisomerization". The
Journal of Physical Chemistry B (2021): https://doi.org/10.1021/acs.jpcb.1c00120.
10.1021/acs.jpcb.1c00120
- Estefanía Delgado-Pinar; Ana L. Costa; Isabel S. Gonçalves; Marta Pineiro; Martyn Pillinger; J. Sérgio Seixas de Melo. "Tuning
the Behavior of a Hydrotalcite-Supported Sulfonated Bithiophene from Aggregation-Caused Quenching to Efficient Monomer Luminescence".
The Journal of Physical Chemistry C (2021): https://doi.org/10.1021/acs.jpcc.1c00240.
10.1021/acs.jpcc.1c00240
- João Pina; Paula Dias; Carlos Serpa; João Azevedo; Adélio Mendes; João Sérgio Seixas de Melo. "Phenomenological Understanding
of Hematite Photoanode Performance". The Journal of Physical Chemistry C (2021): https://doi.org/10.1021/acs.jpcc.0c11420.
10.1021/acs.jpcc.0c11420
- Amaral, Raquel; de Melo, J. Sérgio Seixas; dos Santos, Lília Maria Antunes. "Pigments from Eustigmatophyceae: an interesting
class of microalgae for carotenoid production". Journal of Applied Phycology 33 1 (2021): 371-384. http://dx.doi.org/10.1007/s10811-020-02312-z.
10.1007/s10811-020-02312-z
- Daniela Pinheiro; Marta Pineiro; Adelino M. Galvão; J. Sérgio Seixas de Melo; Pinheiro, Daniela; Pineiro, Marta; Galvao, Adelino
M.; Seixas de Melo, J. Sergio. "Deep in blue with green chemistry: influence of solvent and chain length on the behaviour
of N- and N,N'- alkyl indigo derivatives". Chemical Science (2021): https://doi.org/10.1039/D0SC04958A.
10.1039/D0SC04958A
- Nelson A. M. Pereira; Mafalda Laranjo; Bruno F. O. Nascimento; João C. S. Simões; João Pina; Bruna D. P. Costa; Gonçalo Brites;
et al. "Novel fluorinated ring-fused chlorins as promising PDT agents against melanoma and esophagus cancer". RSC Medicinal
Chemistry (2021): https://doi.org/10.1039/D0MD00433B.
10.1039/D0MD00433B
- Ana Clara B. Rodrigues; Anika Eckert; João Pina; Ullrich Scherf; J. Sérgio Seixas de Melo. "Polymeric near infrared emitters
with bay-annulated indigo moieties". Materials Advances (2021): https://doi.org/10.1039/D1MA00260K.
10.1039/D1MA00260K
- Marvin T. Unruh; Ullrich Scherf; Hilke Bahmann; Ana Clara B. Rodrigues; Carla Cunha; J. Sérgio Seixas de Melo; Jakob Schedlbauer;
John M. Lupton. "Unexpectedly flexible graphene nanoribbons with a polyacene ladder skeleton". Journal of Materials Chemistry
C (2021): https://doi.org/10.1039/D1TC02302K.
10.1039/D1TC02302K
- Lima, Alan R. F.; Pereira, Ricardo C.; Azevedo, Joao; Mendes, Adelio; de Melo, J. Sergio Seixas; R.F. Lima, Alan; Azevedo,
João; Mendes, Adélio; Seixas de Melo, J. Sérgio. "On the path to aqueous organic redox flow batteries: Alizarin red S alkaline
negolyte. Performance evaluation and photochemical studies". Journal of Molecular Liquids 336 (2021): 116364. https://publons.com/publon/42778090/.
10.1016/J.MOLLIQ.2021.116364
- Ortiz-Herrero, L.; de Almeida Assis, A.C.; Bartolomé, L.; Alonso, M.L.; Maguregui, M.I.; Alonso, R.M.; Seixas de Melo, J.S..
"A novel, non-invasive, multi-purpose and comprehensive method to date inks in real handwritten documents based on the monitoring
of the dye ageing processes". Chemometrics and Intelligent Laboratory Systems 207 (2020): 104187. http://dx.doi.org/10.1016/j.chemolab.2020.104187.
10.1016/j.chemolab.2020.104187
- B. Rodrigues, Ana Clara; Pina, João; Seixas de Melo, J. Sérgio. "Structure-relation properties of N-substituted phenothiazines
in solution and solid state: Photophysical, photostability and aggregation-induced emission studies". Journal of Molecular
Liquids 317 (2020): 113966. http://dx.doi.org/10.1016/j.molliq.2020.113966.
10.1016/j.molliq.2020.113966
- João Pina; Ana Clara B. Rodrigues; Mohamed Alnady; Wenyue Dong; Ullrich Scherf; J. Sérgio Seixas de Melo; Pina, João; et al.
"Restricted Aggregate Formation on Tetraphenylethene-Substituted Polythiophenes". The Journal of Physical Chemistry C
(2020): https://doi.org/10.1021/acs.jpcc.9b10908.
10.1021/acs.jpcc.9b10908
- Ariadna Lázaro; Carla Cunha; Ramon Bosque; João Pina; Jas S. Ward; Khai-Nghi Truong; Kari Rissanen; et al. "Room-Temperature
Phosphorescence and Efficient Singlet Oxygen Production by Cyclometalated Pt(II) Complexes with Aromatic Alkynyl Ligands".
Inorganic Chemistry (2020): https://doi.org/10.1021/acs.inorgchem.0c00577.
10.1021/acs.inorgchem.0c00577
- Seixas de Melo, J. Sérgio. "Photoresponsive N,N'-disubstituted indigo derivatives". Dyes and Pigments (2020): http://dx.doi.org/10.1016/j.dyepig.2020.108197.
10.1016/j.dyepig.2020.108197
- Seixas de Melo, J. Sérgio. "I2/NaH/DMF as oxidant trio for the synthesis of tryptanthrin from indigo or isatin". Dyes and
Pigments (2020): http://dx.doi.org/10.1016/j.dyepig.2019.107935.
10.1016/j.dyepig.2019.107935
- Ana L. Costa; Ana C. Gomes; André D. Lopes; José P. Da Silva; Martyn Pillinger; Isabel S. Gonçalves; J. Sérgio Seixas de Melo.
"Evaluation of the supramolecular interaction of Congo red with cucurbiturils using mass spectrometry and spectroscopic methods".
New Journal of Chemistry (2020): https://doi.org/10.1039/C9NJ05706D.
10.1039/C9NJ05706D
- Ana Clara B. Rodrigues; Isabell S. Geisler; Patrick Klein; João Pina; Fabian J. H. Neuhaus; Elke Dreher; Christian W. Lehmann;
Ullrich Scherf; J. Sérgio Seixas de Melo. "Designing highly fluorescent, arylated poly(phenylene vinylene)s of intrinsic microporosity".
Journal of Materials Chemistry C (2020): https://doi.org/10.1039/C9TC06028F.
10.1039/C9TC06028F
- Estefanía Delgado-Pinar; Marta Pineiro; J. Sérgio Seixas de Melo. "A water-soluble bithiophene with increased photoluminescence
efficiency and metal recognition ability". Dalton Transactions (2020): https://doi.org/10.1039/D0DT01385D.
10.1039/D0DT01385D
- Ana I. Rodrigues; Paramasivam Krishnamoorthy; Clara S. B. Gomes; Nicolas Carmona; Roberto E. Di Paolo; Piotr Pander; João
Pina; et al. "Luminescent halogen-substituted 2-(N-arylimino)pyrrolyl boron complexes: the internal heavy-atom effect". Dalton
Transactions 49 29 (2020): 10185-10202. https://doi.org/10.1039/D0DT01845G.
10.1039/D0DT01845G
- Pinheiro, Daniela; Piñeiro, Marta; Pina, João; Brandão, Pedro; Galvão, Adelino M.; Melo, J. Sérgio Seixas de; Seixas de Melo,
J. Sérgio. "Tryptanthrin from indigo: Synthesis, excited state deactivation routes and efficient singlet oxygen sensitization".
Dyes and Pigments (2020): http://hdl.handle.net/10316/91076.
10.1016/j.dyepig.2019.108125
- Pereira, Ricardo C.; Pontinha, Ana Dora R.; Pineiro, Marta; Seixas de Melo, J. Sérgio. "A comprehensive spectral, photophysical
and electrochemical study of synthetic water-soluble acridones. A new class of pH and polarity sensitive fluorescent probes".
Dyes and Pigments 166 (2019): 203-210. http://dx.doi.org/10.1016/j.dyepig.2019.03.028.
10.1016/j.dyepig.2019.03.028
- Estefanía Delgado-Pinar; Artur J.M. Valente; J. Sérgio Seixas de Melo. "A comprehensive photophysical and NMR investigation
on the interaction of a 4-methylumbelliferone derivative and cucurbit[7]uril". Journal of Molecular Liquids 277 (2019):
1026-1034. https://doi.org/10.1016/j.molliq.2018.12.137.
10.1016/j.molliq.2018.12.137
- J.Sérgio Seixas de Melo. "Comment on “An ‘imperial radiation’: Experimental and theoretical investigations of the photo-induced
luminescence properties of 6,6'-dibromoindigo (Tyrian purple)”". Dyes and Pigments 162 (2019): 704-704. https://doi.org/10.1016/j.dyepig.2018.10.052.
10.1016/j.dyepig.2018.10.052
- João Pina; Catherine S. de Castro; Estefanía Delgado-Pinar; J. Sérgio Seixas de Melo. "Characterization of 4-methylesculetin
and of its mono- and di-methoxylated derivatives in water and organic solvents in its ground, singlet and triplet excited
states". Journal of Molecular Liquids 278 (2019): 616-626. https://doi.org/10.1016/j.molliq.2019.01.083.
10.1016/j.molliq.2019.01.083
- Ana Clara B. Rodrigues; João Pina; Wenyue Dong; Michael Forster; Ullrich Scherf; J. Sérgio Seixas de Melo. "Aggregation-Induced
Emission in Phenothiazine–TPE and -TPAN Polymers". Macromolecules (2018): https://doi.org/10.1021/acs.macromol.8b01758.
10.1021/acs.macromol.8b01758
- Elisabet Aguiló; Artur J. Moro; Mani Outis; João Pina; Daniela Sarmento; J. Sérgio Seixas de Melo; Laura Rodríguez; João Carlos
Lima. "Deactivation Routes in Gold(I) Polypyridyl Complexes: Internal Conversion Vs Fast Intersystem Crossing". Inorganic
Chemistry (2018): https://doi.org/10.1021/acs.inorgchem.8b01993.
10.1021/acs.inorgchem.8b01993
- Ricardo C. Pereira; Marta Pineiro; Adelino M. Galvão; J.Sérgio Seixas de Melo. "Thioindigo, and sulfonated thioindigo derivatives
as solvent polarity dependent fluorescent on-off systems". Dyes and Pigments 158 (2018): 259-266. https://doi.org/10.1016/j.dyepig.2018.05.049.
10.1016/j.dyepig.2018.05.049
- Pinto, Catarina; de Melo, J. Sérgio Seixas; Seixas de Melo, J. Sérgio. "The molecules of color in Portuguese postage stamps
(1857–1909)". Pure and Applied Chemistry 90 3 (2018): 435-445. http://dx.doi.org/10.1515/pac-2017-0701.
10.1515/pac-2017-0701
- Ana L. Costa; Ana C. Gomes; Ricardo C. Pereira; Martyn Pillinger; Isabel S. Gonçalves; Marta Pineiro; J. Sérgio Seixas de
Melo. "Interactions and Supramolecular Organization of Sulfonated Indigo and Thioindigo Dyes in Layered Hydroxide Hosts".
Langmuir 34 1 (2018): 453-464. https://doi.org/10.1021/acs.langmuir.7b03735.
10.1021/acs.langmuir.7b03735
- Pereira, Nelson A. M.; Laranjo, Mafalda; Pina, João; Oliveira, Andreia S. R.; Ferreira, João Dias; Sánchez-Sánchez, Carles;
Casalta-Lopes, João; et al. "Advances on photodynamic therapy of melanoma through novel ring-fused 5,15-diphenylchlorins".
European Journal of Medicinal Chemistry 146 (2018): 395-408. http://www.sciencedirect.com/science/article/pii/S0223523417311248.
https://doi.org/10.1016/j.ejmech.2017.12.093
- João Pina; Anika Eckert; Ullrich Scherf; Adelino M. Galvão; J. Sérgio Seixas de Melo. "Cyclopentadithiophene derivatives:
a step towards an understanding of thiophene copolymer excited state deactivation pathways". Materials Chemistry Frontiers
(2018): https://doi.org/10.1039/C7QM00440K.
10.1039/C7QM00440K
- João Pina; Mohamed Alnady; Anika Eckert; Ullrich Scherf; J. Sérgio Seixas de Melo. "Alternating donor–acceptor indigo-cyclopentadithiophene
copolymers: competition between excited state conformational relaxation, energy transfer and excited state proton transfer".
Materials Chemistry Frontiers (2018): https://doi.org/10.1039/C7QM00439G.
10.1039/C7QM00439G
- Tânia F. G. G. Cova; Alberto A. C. C. Pais; J. Sérgio Seixas de Melo. "Reconstructing the historical synthesis of mauveine
from Perkin and Caro: procedure and details". Scientific Reports 7 1 (2017): https://doi.org/10.1038/s41598-017-07239-z.
10.1038/s41598-017-07239-z
- J. Pina; Daniela Sarmento; Marco Accoto; Pier Luigi Gentili; Luigi Vaccaro; Adelino Galvão; J. Sérgio Seixas de Melo. "Excited-State
Proton Transfer in Indigo". The Journal of Physical Chemistry B 121 10 (2017): 2308-2318. https://doi.org/10.1021/acs.jpcb.6b11020.
10.1021/acs.jpcb.6b11020
- Nelson A. M. Pereira; Mafalda Laranjo; João Casalta-Lopes; Arménio C. Serra; Marta Piñeiro; João Pina; J. Sérgio Seixas de
Melo; et al. "Platinum(II) Ring-Fused Chlorins as Near-Infrared Emitting Oxygen Sensors and Photodynamic Agents". ACS Medicinal
Chemistry Letters 8 3 (2017): 310-315. https://doi.org/10.1021/acsmedchemlett.6b00476.
10.1021/acsmedchemlett.6b00476
- Pereira, V. M.; Costa, A. L.; Feldl, J.; Maria, T. M. R.; Seixas de Melo, J. S.; Martin-Ramos, P.; Martin-Gil, J.; Ramos Silva,
M.. "Synthesis, structure and physical properties of luminescent Pr(III) beta-diketonate complexes". Spectrochimica Acta
Part a-Molecular and Biomolecular Spectroscopy 172 (2017): 25-33. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000389093000005&KeyUID=WOS:000389093000005.
10.1016/j.saa.2016.06.025
- Cova, Tania F. G. G.; Jarmelo, Susana; Nunes, Sandra C. C.; Formosinho, Sebastiao J.; Sergio Seixas de Melo, J.; Pais, Alberto.
"Seeing is believing: A graphical reference framework for multi-criteria evaluation". Evaluation (2017): https://publons.com/publon/14801441/.
10.1177/1356389017733336
- Catherine S. de Castro; Tânia F.G.G. Cova; Alberto C.C. Pais; Daniela Pinheiro; Cristina Nuñez; Carlos Lodeiro; J. Sérgio
Seixas de Melo. "Probing metal cations with two new Schiff base bischromophoric pyrene based chemosensors: Synthesis, photophysics
and interactions patterns". Dyes and Pigments 134 (2016): 601-612. https://doi.org/10.1016/j.dyepig.2016.08.016.
10.1016/j.dyepig.2016.08.016
- Martin-Ramos, Pablo; Costa, Ana L.; Silva, Manuela Ramos; Pereira, Laura C. J.; Pereira da Silva, Pedro S.; de Melo, J. Sergio
Seixas; Martin-Gil, Jesus; et al. "Luminescent Properties of [UO2(TFA)(2)(DMSO)(3)], a Promising Material for Sensing and
Monitoring the Uranyl Ion". Materials Research-Ibero-American Journal of Materials 19 2 (2016): 328-332. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000374233300010&KeyUID=WOS:000374233300010.
10.1590/1980-5373-MR-2015-0448
- Valandro, Silvano R.; Poli, Alessandra L.; Venancio, Tiago; Pina, Joao; de Melo, J. Seixas; Burrows, Hugh D.; Schmitt, Carla
C.. "A novel biopolymeric photoinitiator based on chitosan and thioxanthone derivative: Synthesis, characterization and efficiency
in photopolymerization". Journal of Photochemistry and Photobiology a-Chemistry 327 (2016): 15-20. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000378566100003&KeyUID=WOS:000378566100003.
10.1016/j.jphotochem.2016.04.019
- Pina, J.; Queiroz, M. -J. R. P.; Seixas de Melo, J.. "Effect of substitution on the ultrafast deactivation of the excited
state of benzo[b]thiophene-arylamines". Photochemical & Photobiological Sciences 15 8 (2016): 1029-1038. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000381419900010&KeyUID=WOS:000381419900010.
10.1039/c6pp00140h
- Dong, Wenyue; Pina, Joao; Pan, Yuyu; Preis, Eduard; Sergio Seixas de Melo, J.; Scherf, Ullrich. "Polycarbazoles and polytriphenylamines
showing aggregation-induced emission (AIE) and intramolecular charge transfer (ICT) behavior for the optical detection of
nitroaromatic compounds". Polymer 76 (2015): 173-181. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000363359800021&KeyUID=WOS:000363359800021.
10.1016/j.polymer.2015.08.064
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polyelectrolyte and a triblock copolymer". Journal of Physical Chemistry B 113 18 (2009): 6205-6214. http://www.scopus.com/inward/record.url?eid=2-s2.0-66349083237&partnerID=MN8TOARS.
10.1021/jp8093885
- Costa, T.; Schillén, K.; Da G. Miguel, M.; Lindman, B.; De Melo, J.S.. "Association of a hydrophobically modified polyelectrolyte
and a block copolymer followed by fluorescence techniques". Journal of Physical Chemistry B 113 18 (2009): 6194-6204.
http://www.scopus.com/inward/record.url?eid=2-s2.0-66349109972&partnerID=MN8TOARS.
10.1021/jp8093879
- Oliva, M.M.; Casado, J.; Navarrete, J.T.L.; Hennrich, G.; Van Cleuvenbergen, S.; Asselberghs, I.; Clays, K.; et al. "Synthesis,
spectroscopy, nonlinear optics, and theoretical investigations of thienylethynyl octopoles with a tunable core". Chemistry
- A European Journal 15 33 (2009): 8223-8234. http://www.scopus.com/inward/record.url?eid=2-s2.0-68949144617&partnerID=MN8TOARS.
10.1002/chem.200900702
- Oliva, M.M.; González, S.R.; Casado, J.; Navarrete, J.T.L.; de Melo, J.S.S.; Rozen, S.; Seixas de Melo, J. Sérgio. "Optical
properties of [all]-S,S-dioxide oligothiophenes". Portugaliae Electrochimica Acta 27 5 (2009): 533-537. http://www.scopus.com/inward/record.url?eid=2-s2.0-70350628843&partnerID=MN8TOARS.
10.4152/pea.200905533
- Costa, T.; Seixas de Melo, J.. "A resonance Rayleigh scattering study of unlabeled and pyrene-labeled poly(acrylic acid) polymers".
Journal of Molecular Structure 920 1-3 (2009): 142-148. http://www.scopus.com/inward/record.url?eid=2-s2.0-59749104520&partnerID=MN8TOARS.
10.1016/j.molstruc.2008.10.040
- Gigante, B.; Esteves, M.A.; Pires, N.; Davies, M.L.; Douglas, P.; Fonseca, S.M.; Burrows, H.D.; et al. "Synthesis, spectroscopy,
photophysics and thermal behaviour of stilbene-based triarylamines with dehydroabietic acid methyl ester moieties". New
Journal of Chemistry 33 4 (2009): 877-885. http://www.scopus.com/inward/record.url?eid=2-s2.0-64549116795&partnerID=MN8TOARS.
10.1039/b815711a
- Pina, J.; Seixas De Melo, J.S.. "A comprehensive investigation of the electronic spectral and photophysical properties of
conjugated naphthalene-thiophene oligomers". Physical Chemistry Chemical Physics 11 39 (2009): 8706-8713. http://www.scopus.com/inward/record.url?eid=2-s2.0-70349972783&partnerID=MN8TOARS.
10.1039/b909113k
- Pina, J.; Seixas De Melo, J.; Burrows, H.D.; Bünnagel, T.W.; Dolfen, D.; Kudla, C.J.; Scherf, U.. "Photophysical and spectroscopic
investigations on (oligo)thiophene-arylene step-ladder copolymers. The interplay of conformational relaxation and on-chain
energy transfer". Journal of Physical Chemistry B 113 49 (2009): 15928-15936. http://www.scopus.com/inward/record.url?eid=2-s2.0-71549153208&partnerID=MN8TOARS.
10.1021/jp9054022
- Sousa, M.M.; Melo, M.J.; Parola, A.J.; Morris, P.J.T.; Rzepa, H.S.; Sérgio Seixas De Melo, J.. "A study in mauve: Unveiling
Perkin's dye in historic samples". Chemistry - A European Journal 14 28 (2008): 8507-8513. http://www.scopus.com/inward/record.url?eid=2-s2.0-53849106525&partnerID=MN8TOARS.
10.1002/chem.200800718
- Claro, A.; Melo, M.J.; Schäfer, S.; de Melo, J.S.S.; Pina, F.; van den Berg, K.J.; Burnstock, A.. "The use of microspectrofluorimetry
for the characterization of lake pigments". Talanta 74 4 (2008): 922-929. http://www.scopus.com/inward/record.url?eid=2-s2.0-37449025418&partnerID=MN8TOARS.
10.1016/j.talanta.2007.07.036
- Costa, T.; De Melo, J.S.S.. "The effect of ¿-cyclodextrin addition in the self-assembly behavior of pyrene labeled poly(acrylic)
acid with different chain sizes". Journal of Polymer Science, Part A: Polymer Chemistry 46 4 (2008): 1402-1415. http://www.scopus.com/inward/record.url?eid=2-s2.0-38849156312&partnerID=MN8TOARS.
10.1002/pola.22480
- Gago, S.; Costa, T.; De Melo, J.S.; Gonçalves, I.S.; Pillinger, M.. "Preparation and photophysical characterisation of Zn-Al
layered double hydroxides intercalated by anionic pyrene derivatives". Journal of Materials Chemistry 18 8 (2008):
894-904. http://www.scopus.com/inward/record.url?eid=2-s2.0-39049154969&partnerID=MN8TOARS.
10.1039/b715319h
- Dos Santos, C.M.G.; Glynn, M.; McCabe, T.; De Melo, J.S.S.; Burrows, H.D.; Gunnlaugsson, T.. "Synthesis, structural and photophysical
evaluations of urea based fluorescent PET sensors for anions". Supramolecular Chemistry 20 4 (2008): 407-418. http://www.scopus.com/inward/record.url?eid=2-s2.0-42949121002&partnerID=MN8TOARS.
10.1080/10610270701288045
- Azenha, M.E.; Burrows, H.D.; Fonseca, S.M.; Ramos, M.L.; Rovisco, J.; De Melo, J.S.; Sobral, A.J.F.N.; Kogej, K.. "Luminescence
from cerium(III) acetate complexes in aqueous solution: Considerations on the nature of carboxylate binding to trivalent lanthanides".
New Journal of Chemistry 32 9 (2008): 1531-1535. http://www.scopus.com/inward/record.url?eid=2-s2.0-52449134220&partnerID=MN8TOARS.
10.1039/b800105g
- Di Paolo, R.E.; Gigante, B.; Esteves, M.A.; Pires, N.; Santos, C.; Lameiro, M.H.; De Melo, J.S.; Burrows, H.D.; Maçanita,
A.L.. "Picosecond structural relaxation of abietic acid based amine end capped para-phenylenevinylene trimers in solution".
ChemPhysChem 9 15 (2008): 2214-2220. http://www.scopus.com/inward/record.url?eid=2-s2.0-54349083060&partnerID=MN8TOARS.
10.1002/cphc.200800374
- Pina, J.; Seixas De Melo, J.; Burrows, H.D.; Galbrecht, F.; Bilge, A.; Kudla, C.J.; Scherf, U.. "Excited state properties
of oligophenyl and oligothienyl swivel cruciforms". Journal of Physical Chemistry B 112 4 (2008): 1104-1111. http://www.scopus.com/inward/record.url?eid=2-s2.0-39149109576&partnerID=MN8TOARS.
10.1021/jp0773280
- Seixas de Melo, J.; Pina, J.; Rodrigues, L.M.; Becker, R.S.. "A comprehensive study of the spectral and photophysical properties
of arylthiophenes". Journal of Photochemistry and Photobiology A: Chemistry 194 1 (2008): 67-75. http://www.scopus.com/inward/record.url?eid=2-s2.0-37349012103&partnerID=MN8TOARS.
10.1016/j.jphotochem.2007.07.014
- García-Zubiri, I.X.; Burrows, H.D.; Seixas De Melo, J.S.; Monteserín, M.; Arroyo, A.; Tapia, M.J.. "A spectroscopic study
of the interaction of the fluorescent ß-carboline-3-carboxylic acid N-methylamide with DNA constituents: nucleobases, nucleosides
and nucleotides". Journal of Fluorescence 18 5 (2008): 961-972. http://www.scopus.com/inward/record.url?eid=2-s2.0-51649083707&partnerID=MN8TOARS.
10.1007/s10895-008-0355-9
- Sousa, M.M.; Melo, M.J.; Parola, A.J.; Seixas de Melo, J.S.; Catarino, F.; Pina, F.; Cook, F.E.M.; Simmonds, M.S.J.; Lopes,
J.A.. "Flavylium chromophores as species markers for dragon's blood resins from Dracaena and Daemonorops trees". Journal
of Chromatography A 1209 1-2 (2008): 153-161. http://www.scopus.com/inward/record.url?eid=2-s2.0-53949086707&partnerID=MN8TOARS.
10.1016/j.chroma.2008.09.007
- Sousa, M.M.; Miguel, C.; Rodrigues, I.; Parola, A.J.; Pina, F.; Seixas De Melo, J.S.; Melo, M.J.. "A photochemical study on
the blue dye indigo: From solution to ancient Andean textiles". Photochemical and Photobiological Sciences 7 11 (2008):
1353-1359. http://www.scopus.com/inward/record.url?eid=2-s2.0-55149117540&partnerID=MN8TOARS.
10.1039/b809578g
- Bünnagel, Torsten W.; Nehls, Benjamin S.; Galbrecht, Frank; Schottler, Kristina; Kudla, Christof J.; Volk, Markus; Pina, João;
et al. "Thiophene-phenylene/naphthalene-based step-ladder copolymers". Journal of Polymer Science, Part A: Polymer Chemistry
46 22 (2008): 7342-7353. http://hdl.handle.net/10316/8228.
10.1002/pola.23039
- Pina, J.; De Seixas Melo, J.; Burrows, H.D.; Galbrecht, F.; Nehls, B.S.; Farrell, T.; Scherf, U.. "Spectral and photophysical
studies of poly[2,6-(1,5-dioctylnaphthalene)] thiophenes". Journal of Physical Chemistry C 111 19 (2007): 7185-7191.
http://www.scopus.com/inward/record.url?eid=2-s2.0-34249805724&partnerID=MN8TOARS.
10.1021/jp070691m
- Seixas De Melo, J.S.; Burrows, H.D.; Serpa, C.; Arnaut, L.G.. "The triplet state of indigo". Angewandte Chemie - International
Edition 46 12 (2007): 2094-2096. http://www.scopus.com/inward/record.url?eid=2-s2.0-34250789863&partnerID=MN8TOARS.
10.1002/anie.200604679
- Parola, A. J.; Lima, J. C.; Pina, F.; Pina, J.; de Melo, J. S.; Soriano, C.; Garcia-Espana, E.; et al. "Synthesis and photophysical
properties of dansyl-based polyamine ligands and their Zn(II) complexes". Inorganica Chimica Acta 360 3 (2007): 1200-1208.
http://hdl.handle.net/10316/5057.
10.1016/j.ica.2006.11.006
- Borrows, H.D.; Tapia, M.J.; Silva, C.L.; Pais, A.A.C.C.; Fonseca, S.M.; Pina, J.; De Melo, J.S.; et al. "Interplay of electrostatic
and hydrophobic effects with binding of cationic gemini surfactants and a conjugated polyanion: Experimental and molecular
modeling studies". Journal of Physical Chemistry B 111 17 (2007): 4401-4410. http://www.scopus.com/inward/record.url?eid=2-s2.0-34249041271&partnerID=MN8TOARS.
10.1021/jp070100s
- García-Zubiri, I.X.; Burrows, H.D.; Sérgio Seixas De Melo, J.; Pina, J.; Monteserín, M.; Tapia, M.J.. "Effects of the interaction
between ß-carboline-3-carboxylic acid N-methylamide and polynucleotides on singlet oxygen quantum yield and DNA oxidative
damage". Photochemistry and Photobiology 83 6 (2007): 1455-1464. http://www.scopus.com/inward/record.url?eid=2-s2.0-36248955403&partnerID=MN8TOARS.
10.1111/j.1751-1097.2007.00187.x
- Melo, M.J.; Sousa, M.; Parola, A.J.; De Melo, J.S.S.; Catarino, F.; Marçalo, J.; Pina, F.. "Identification of 7,4'-dihydroxy-5-methoxyflavylium
in "dragon's blood": To be or not to be an anthocyanin". Chemistry - A European Journal 13 5 (2007): 1417-1422. http://www.scopus.com/inward/record.url?eid=2-s2.0-34250313986&partnerID=MN8TOARS.
10.1002/chem.200600837
- Seixas De Melo, J.; Costa, T.; Francisco, A.; Maçanita, A.L.; Gago, S.; Gonçalves, I.S.. "Dynamics of short as compared with
long poly(acrylic acid) chains hydrophobically modified with pyrene, as followed by fluorescence techniques". Physical
Chemistry Chemical Physics 9 11 (2007): 1370-1385. http://www.scopus.com/inward/record.url?eid=2-s2.0-33947199764&partnerID=MN8TOARS.
10.1039/b613382g
- Seixas De Melo, J.; Takato, S.; Sousa, M.; Melo, M.J.; Parola, A.J.. "Revisiting Perkin's dye(s): The spectroscopy and photophysics
of two new mauveine compounds (B2 and C)". Chemical Communications 25 (2007): 2624-2626. http://www.scopus.com/inward/record.url?eid=2-s2.0-34250745883&partnerID=MN8TOARS.
10.1039/b618926a
- Seixas de Melo, J.S.; Costa, T.; Oliveira, N.; Schillén, K.. "Fluorescence studies on the interaction between pyrene-labelled
poly(acrylic acid) and cyclodextrins". Polymer International 56 7 (2007): 882-899. http://www.scopus.com/inward/record.url?eid=2-s2.0-34250750219&partnerID=MN8TOARS.
10.1002/pi.2219
- Di Paolo, R.E.; Seixas De Melo, J.; Pina, J.; Burrows, H.D.; Morgado, J.; Maçanita, A.L.. "Conformational relaxation of p-phenylenevinylene
trimers in solution studied by picosecond time-resolved fluorescence". ChemPhysChem 8 18 (2007): 2657-2664. http://www.scopus.com/inward/record.url?eid=2-s2.0-38049000952&partnerID=MN8TOARS.
10.1002/cphc.200700548
- Melo, João. "Photochemistry and Photophysics in the Laboratory. Showing the Role of Radiationless and Radiative Decay of Excited
States". The Chemical Educator 12 (2007): 403-407. http://chemeducator.org/bibs/0012006/12070403js.htm.
10.1333/s00897072096a
- Pina, João; Melo, J. Sérgio Seixas de; Burrows, H. D.; Batista, Rosa Maria Ferreira; Costa, Susana P. G.; Raposo, M. Manuela
M.. "Spectral and photophysical characterization of donor p -acceptor arylthienyl- and bithienyl-benzothiazole derivatives
in solution and solid state". (2007): http://hdl.handle.net/1822/10648.
10.1021/jp0730646
- Fonseca, S.M.; Pina, J.; Arnaut, L.G.; De Melo, J.S.; Burrows, H.D.; Chattopadhyay, N.; Alcácer, L.; et al. "Triplet-state
and singlet oxygen formation in fluorene-based alternating copolymers". Journal of Physical Chemistry B 110 16 (2006):
8278-8283. http://www.scopus.com/inward/record.url?eid=2-s2.0-33646390394&partnerID=MN8TOARS.
10.1021/jp060251f
- Serpa, C.; Gomes, P.J.S.; Arnaut, L.G.; Formosinho, S.J.; Pina, J.; De Melo, J.S.. "Electron transfer in supercritical carbon
dioxide: Ultraexothermic charge recombination at the end of the "inverted region"". Chemistry - A European Journal
12 19 (2006): 5014-5023. http://www.scopus.com/inward/record.url?eid=2-s2.0-33745728770&partnerID=MN8TOARS.
10.1002/chem.200500727
- Pina, J.; De Melo, J.S.; Burrows, H.D.; Bilge, A.; Farrell, T.; Forster, M.; Scherf, U.. "Spectral and photophysical studies
on cruciform oligothiophenes in solution and the solid sate". Journal of Physical Chemistry B 110 31 (2006): 15100-15106.
http://www.scopus.com/inward/record.url?eid=2-s2.0-33748281588&partnerID=MN8TOARS.
10.1021/jp060707t
- De Melo, J.S.S.; Rondão, R.; Burrows, H.D.; Melo, M.J.; Navaratnam, S.; Edge, R.; Voss, G.. "Spectral and photophysical studies
of substituted indigo derivatives in their keto forms". ChemPhysChem 7 11 (2006): 2303-2311. http://www.scopus.com/inward/record.url?eid=2-s2.0-33751256300&partnerID=MN8TOARS.
10.1002/cphc.200600203
- Serpa, C.; Gomes, P.J.S.; Arnaut, L.G.; De Melo, J.S.; Formosinho, S.J.. "Temperature dependence of ultra-exothermic charge
recombinations". ChemPhysChem 7 12 (2006): 2533-2539. http://www.scopus.com/inward/record.url?eid=2-s2.0-33845779771&partnerID=MN8TOARS.
10.1002/cphc.200600467
- Pina, J.; Burrows, H.D.; Becker, R.S.; Dias, F.B.; Maçanita, A.L.; Seixas De Melo, J.. "Photophysical studies of a,¿-dicyano-oligothiophenes
NC(C 4H2S)nCN (n = 1-6)". Journal of Physical Chemistry B 110 13 (2006): 6499-6505. http://www.scopus.com/inward/record.url?eid=2-s2.0-33646382847&partnerID=MN8TOARS.
10.1021/jp055455v
- Seixas De Melo, J.; Rondão, R.; Burrows, H.D.; Melo, M.J.; Navaratnam, S.; Edge, R.; Voss, G.. "Photophysics of an indigo
derivative (keto and leuco structures) with singular properties". Journal of Physical Chemistry A 110 51 (2006): 13653-13661.
http://www.scopus.com/inward/record.url?eid=2-s2.0-33846397749&partnerID=MN8TOARS.
10.1021/jp057451w
- Lodeiro, C.; Lima, J.C.; Parola, A.J.; Seixas de Melo, J.S.; Capelo, J.L.; Covelo, B.; Tamayo, A.; Pedras, B.. "Intramolecular
excimer formation and sensing behavior of new fluorimetric probes and their interactions with metal cations and barbituric
acids". Sensors and Actuators, B: Chemical 115 1 (2006): 276-286. http://www.scopus.com/inward/record.url?eid=2-s2.0-33645967166&partnerID=MN8TOARS.
10.1016/j.snb.2005.09.010
- Seixas de Melo, J.; Pina, J.; Burrows, H.D.; Di Paolo, R.E.; Maçanita, A.L.. "Electronic spectral and photophysical properties
of some p-phenylenevinylene oligomers in solution and thin films". Chemical Physics 330 3 (2006): 449-456. http://www.scopus.com/inward/record.url?eid=2-s2.0-33750824798&partnerID=MN8TOARS.
10.1016/j.chemphys.2006.09.016
- Seixas de Melo, J. Sérgio. "As moléculas da Cor, na Arte e na Natureza". Química: Boletim da Sociedade Portuguesa de Química
101 (2006): 44-45.
Publicado
- Oliva, J.M.; Azenha, M.E.D.G.; Burrows, H.D.; Coimbra, R.; De Melo, J.S.S.; Canle L, M.; Fernández, M.I.; Santaballa, J.A.;
Serrano-Andrés, L.. "On the low-lying excited states of sym-triazine-based herbicides". ChemPhysChem 6 2 (2005): 306-314.
http://www.scopus.com/inward/record.url?eid=2-s2.0-15244346944&partnerID=MN8TOARS.
10.1002/cphc.200400349
- Costa, T.; Migu¿l, M.G.; Lindman, B.; Schillén, K.; Lima, J.C.; De Melo, J.S.. "Self-assembly of a hydrophobically modified
naphthalene-labeled poly(acrylic acid) polyelectrolyte in water:Organic solvent mixtures followed by steady-state and time-resolved
fluorescence". Journal of Physical Chemistry B 109 8 (2005): 3243-3251. http://www.scopus.com/inward/record.url?eid=2-s2.0-14844339704&partnerID=MN8TOARS.
10.1021/jp046589w
- Burrows, H.D.; Arnaut, L.G.; Pina, J.; De Melo, J.S.; Chattopadhyay, N.; Alcácer, L.; Charas, A.; Morgado, J.. "Erratum: Characterisation
of the triplet state of a fluorene-terthiophene alternating copolymer (Chemical Physics Letters (2005) 402 (197-201) DOI:
10.1016/j.cplett.2004.12.031)". Chemical Physics Letters 404 4-6 (2005): http://www.scopus.com/inward/record.url?eid=2-s2.0-14844336353&partnerID=MN8TOARS.
10.1016/j.cplett.2005.02.006
- Costa, T.; Miguel, M.D.G.; Lindman, B.; Schillén, K.; De Melo, J.S.S.. "Dynamics and energetics of the self-assembly of a
hydrophobically modified polyelectrolyte: Naphthalene-labeled poly(acrylic acid)". Journal of Physical Chemistry B
109 23 (2005): 11478-11492. http://www.scopus.com/inward/record.url?eid=2-s2.0-21744439438&partnerID=MN8TOARS.
10.1021/jp050236v
- Tapia, M.J.; Burrows, H.D.; Valente, A.J.M.; Pradhan, S.; Scherf, U.; Lobo, V.M.M.; Pina, J.; Seixas De Melo, J.. "Interaction
between the water soluble poly{1,4-phenylene-[9,9-bis(4-phenoxy butylsulfonate)]fluorene-2,7-diyl} copolymer and ionic surfactants
followed by spectroscopic and conductivity measurements". Journal of Physical Chemistry B 109 41 (2005): 19108-19115.
http://www.scopus.com/inward/record.url?eid=2-s2.0-27544486667&partnerID=MN8TOARS.
10.1021/jp052233o
- Burrows, H.D.; Lobo, V.M.M.; Pina, J.; Ramos, M.L.; Seixas De Melo, J.; Valente, A.J.M.; Tapia, M.J.; et al. "Interactions
between surfactants and {1,4-phenylene-[9,9-bis(4-phenoxy- butylsulfonate)]fluorene-2,7-diyl}". Colloids and Surfaces A:
Physicochemical and Engineering Aspects 270-271 1-3 (2005): 61-66. http://www.scopus.com/inward/record.url?eid=2-s2.0-28444443420&partnerID=MN8TOARS.
10.1016/j.colsurfa.2005.05.037
- Burrows, H.D.; Arnaut, L.G.; Pina, J.; Seixas De Melo, J.; Chattopadhyay, N.; Alcácer, L.; Charas, A.; Morgado, J.. "Characterisation
of the triplet state of a fluorene-terthiophene alternating copolymer". Chemical Physics Letters 402 1-3 (2005): 197-201.
http://www.scopus.com/inward/record.url?eid=2-s2.0-11444249959&partnerID=MN8TOARS.
10.1016/j.cplett.2004.12.031
- Seixas De Melo, J.; Moura, A.P.; Melo, M.J.. "Erratum: Photo-physical and spectroscopic studies of indigo derivatives in their
keto and leuco forms (Journal of Physical Chemistry A (2004) 108A)". Journal of Physical Chemistry A 109 3 (2005):
http://www.scopus.com/inward/record.url?eid=2-s2.0-13444304218&partnerID=MN8TOARS.
10.1021/jp040753y
- Seixas de Melo, J.; Sobral, A.J.F.N.; Rocha Gonsalves, A.M.d'A.; Burrows, H.D.. "Singlet and triplet energy transfer in a
bichromophoric system with anthracene covalently linked through sulfonamide to a meso-tetraphenylporphyrin". Journal of
Photochemistry and Photobiology A: Chemistry 172 2 (2005): 151-160. http://www.scopus.com/inward/record.url?eid=2-s2.0-17844400307&partnerID=MN8TOARS.
10.1016/j.jphotochem.2004.12.004
- Seixas de Melo, J. Sérgio. "Redução da Cânfora. Exemplo de uma transformação selectiva". Química: Boletim da Sociedade
Portuguesa de Química 96 72 (2005):
Publicado
- Seixas de Melo, J. Sérgio; Aucejo, R.; Alarcón, J.; García-España, E.; Llinares, J.M.; Marchin, K.L.; Soriano, C.; et al.
"A new Zn-II tweezer pyridine-naphthalene system - An off-on-off system working in a biological pH window". European Journal
of Inorganic Chemistry 21 (2005): 4301-4308. https://publons.com/publon/6858804/.
10.1002/ejic.200500403
- Pina, João; Melo, J. Seixas de; Pina, Fernando; Lodeiro, Carlos; Lima, J. C.; Parola, A. Jorge; Soriano, Conxa; et al. "Spectroscopy
and Coordination Chemistry of a New Bisnaphthalene-Bisphenanthroline Ligand Displaying a Sensing Ability for Metal Cations".
Inorganic Chemistry 44 21 (2005): 7449-7458. http://hdl.handle.net/10316/10381.
10.1021/ic050733q
- Bencini, A.; Berni, E.; Bianchi, A.; Fornasari, P.; Giorgi, C.; Lima, J.C.; Lodeiro, C.; et al. "A fluorescent chemosensor
for Zn(II). Exciplex formation in solution and the solid state". Dalton Transactions 14 (2004): 2180-2187. http://www.scopus.com/inward/record.url?eid=2-s2.0-3342900321&partnerID=MN8TOARS.
10.1039/b403743j
- Alarcón, J.; Aucejo, R.; Albelda, M.T.; Alves, S.; Clares, M.P.; García-España, E.; Lodeiro, C.; et al. "Fluorescent type
II materials from naphthylmethyl polyamine precursors". Supramolecular Chemistry 16 8 (2004): 573-580. http://www.scopus.com/inward/record.url?eid=2-s2.0-19944428157&partnerID=MN8TOARS.
10.1080/10610270412331317512
- Seixas De Melo, J.; Pina, J.; Burrows, H.D.; Brocke, S.; Herzog, O.; Thorn-Csányi, E.. "The effect of substitution and isomeric
imperfection on the photophysical behaviour of p-phenylenevinylene trimers". Chemical Physics Letters 388 4-6 (2004):
236-241. http://www.scopus.com/inward/record.url?eid=2-s2.0-1842789066&partnerID=MN8TOARS.
10.1016/j.cplett.2004.02.093
- Seixas De Melo, J.; Moura, A.P.; Melo, M.J.. "Photophysical and spectroscopic studies of indigo derivatives in their keto
and leuco forms". Journal of Physical Chemistry A 108 34 (2004): 6975-6981. http://www.scopus.com/inward/record.url?eid=2-s2.0-4444301477&partnerID=MN8TOARS.
10.1021/jp049076y
- Pina, J.; Seixas De Melo, J.; Burrows, H.D.; Monkman, A.P.; Navaratnam, S.. "On the triplet state of poly(N-vinylcarbazole)".
Chemical Physics Letters 400 4-6 (2004): 441-445. http://www.scopus.com/inward/record.url?eid=2-s2.0-10344266445&partnerID=MN8TOARS.
10.1016/j.cplett.2004.11.013
- Burrows, H.D.; Seixas De Melo, J.; Forster, M.; Güntner, R.; Scherf, U.; Monkman, A.P.; Navaratnam, S.. "Hole formation and
transfer in poly[9,9-di(ethylhexyl)fluorene] and an amine end-capped derivative in solution". Chemical Physics Letters
385 1-2 (2004): 105-110. http://www.scopus.com/inward/record.url?eid=2-s2.0-1642513561&partnerID=MN8TOARS.
10.1016/j.cplett.2003.12.061
- Burrows, HD; Lobo, VMM; Pina, J; Ramos, ML; de Melo, JS; Valente, AJM; Tapia, MJ; et al. "Fluorescence enhancement of the
water-soluble poly{1,4-phenylene-[9,9-bis(4-phenoxybutylsulfonate)]fluorene-2,7-diyl} copolymer in n-dodecylpentaoxyethylene
glycol ether micelles". Macromolecules 37 20 (2004): 7425-7427. https://publons.com/publon/9098285/.
10.1021/MA048780+
- Dias, F.B.; Maçanita, A.L.; Seixas de Melo, J.; Burrows, H.D.; Güntner, R.; Scherf, U.; Monkman, A.P.; et al. "Picosecond
conformational relaxation of singlet excited polyfluorene in solution". Journal of Chemical Physics 118 15 (2003):
7119-7126. http://www.scopus.com/inward/record.url?eid=2-s2.0-17144441060&partnerID=MN8TOARS.
10.1063/1.1560939
- Seixas de Melo, J.; Costa, T.; Miguel, M.D.G.; Lindman, B.; Schillén, K.. "Time-Resolved and Steady-State Fluorescence Studies
of Hydrophobically Modified Water-Soluble Polymers". Journal of Physical Chemistry B 107 46 (2003): 12605-12621. http://www.scopus.com/inward/record.url?eid=2-s2.0-0344286972&partnerID=MN8TOARS.
- Albelda, M.T.; García-España, E.; Gil, L.; Lima, J.C.; Lodeiro, C.; Seixas de Melo, J.; João Melo, M.; et al. "Intramolecular
excimer formation in a tripodal polyamine receptor containing three naphthalene fluorophores". Journal of Physical Chemistry
B 107 27 (2003): 6573-6578. http://www.scopus.com/inward/record.url?eid=2-s2.0-0038718019&partnerID=MN8TOARS.
- Burrows, H.D.; Fernandes, M.; De Melo, J.S.; Monkman, A.P.; Navaratnam, S.. "Characterization of the Triplet State of Tris(8-hydroxyquinoline)aluminium(III)
in Benzene Solution". Journal of the American Chemical Society 125 50 (2003): 15310-15311. http://www.scopus.com/inward/record.url?eid=2-s2.0-0348110664&partnerID=MN8TOARS.
10.1021/ja037254f
- De Melo, J.S.; Burrows, H.D.; Svensson, M.; Andersson, M.R.; Monkman, A.P.. "Photophysics of thiophene based polymers in solution:
The role of nonradiative decay processes". Journal of Chemical Physics 118 3 (2003): 1550-1556. http://www.scopus.com/inward/record.url?eid=2-s2.0-0037439982&partnerID=MN8TOARS.
10.1063/1.1528604
- Seixas de Melo, J. Sérgio. "Estudo da Reactividade de Haletos de Alquilo. Um exemplo de Química Orgânica no laboratório.".
Química: Boletim da Sociedade Portuguesa de Química 88 79 (2003):
Publicado
- Seixas de Melo, J. Sérgio. "Refractometria na determinação do teor de açúcar e de aspartame em bebidas comerciais". Química:
Boletim da Sociedade Portuguesa de Química 91 61 (2003):
- Teresa Albelda, M.; Díaz, P.; GarcíaEspaña, E.; Lima, J.C.; Lodeiro, C.; De Seixas Melo, J.; Jorge Parola, A.; et al. "Switching
from intramolecular energy transfer to intramolecular electron transfer by the action of pH and Zn2+ co-ordination". Chemical
Physics Letters 353 1-2 (2002): 63-68. http://www.scopus.com/inward/record.url?eid=2-s2.0-0037070120&partnerID=MN8TOARS.
10.1016/S0009-2614(01)01414-2
- Seixas De Melo, J.; Elisei, F.; Becker, R.S.. "Photophysical studies of mixed furan, pyrrole, and thiophene-containing oligomers
with three and five rings". Journal of Chemical Physics 117 9 (2002): 4428-4435. http://www.scopus.com/inward/record.url?eid=2-s2.0-0036735428&partnerID=MN8TOARS.
10.1063/1.1498115
- Seixas de Melo, J.; Albelda, M.T.; Díaz, P.; García-España, E.; Lodeiro, C.; Alves, S.; Lima, J.C.; Pina, F.; Soriano, C..
"Ground and excited state properties of polyamine chains bearing two terminal naphthalene units". Journal of the Chemical
Society, Perkin Transactions 2 5 (2002): 991-998. http://www.scopus.com/inward/record.url?eid=2-s2.0-0036014030&partnerID=MN8TOARS.
- Burrows, H.D.; Seixas de Melo, J.; Serpa, C.; Arnaut, L.G.; Miguel, M.daG.; Monkman, A.P.; Hamblett, I.; Navaratnam, S.. "Triplet
state dynamics on isolated conjugated polymer chains". Chemical Physics 285 1 (2002): 3-11. http://www.scopus.com/inward/record.url?eid=2-s2.0-0036888449&partnerID=MN8TOARS.
10.1016/S0301-0104(02)00684-5
- Arranz, P.; Albelda, Ma.T.; Garcia-España, E.; Lima, J.C.; Lodeiro, C.; Seixas de Melo, J.; Parola, A.J.; Pina, F.. "Energy
transfer between polyamine chains bearing naphthalene terminal units and k3[Co(CN)6]: An example of a molecular photoreactor".
Journal of the Chemical Society, Dalton Transactions 15 (2002): 3024-3028. http://www.scopus.com/inward/record.url?eid=2-s2.0-0036040598&partnerID=MN8TOARS.
- Azenha, E.G.; Serra, A.C.; Pineiro, M.; Pereira, M.M.; Seixas de Melo, J.; Arnaut, L.G.; Formosinho, S.J.; Rocha Gonsalves,
A.M.d'A.. "Heavy-atom effects on metalloporphyrins and polyhalogenated porphyrins". Chemical Physics 280 1-2 (2002):
177-190. http://www.scopus.com/inward/record.url?eid=2-s2.0-0037097512&partnerID=MN8TOARS.
10.1016/S0301-0104(02)00485-8
- Pina, F.; Lima, J.C.; Lodeiro, C.; De Melo, J.S.; Díaz, P.; Albelda, M.T.; García-España, E.. "Long range electron transfer
quenching in polyamine chains bearing a terminal naphthalene unit". Journal of Physical Chemistry A 106 35 (2002):
8207-8212. http://www.scopus.com/inward/record.url?eid=2-s2.0-0037026795&partnerID=MN8TOARS.
10.1021/jp025848j
- Seixas De Melo, J.; Silva, L.M.; Kuroda, M.. "Photophysical and theoretical studies of naphthalene-substituted oligothiophenes".
Journal of Chemical Physics 115 12 (2001): 5625-5636. http://www.scopus.com/inward/record.url?eid=2-s2.0-0035934505&partnerID=MN8TOARS.
10.1063/1.1397310
- Chattopadhyay, N.; Serpa, C.; Pereira, M.M.; Seixas De Melo, J.; Arnaut, L.G.; Formosinho, S.J.. "Intramolecular charge transfer
of p-(dimethylamino)benzethyne: A case of nonfluorescent ICT state". Journal of Physical Chemistry A 105 44 (2001):
10025-10030. http://www.scopus.com/inward/record.url?eid=2-s2.0-0035829952&partnerID=MN8TOARS.
10.1021/jp012390x
- Albelda, M.T.; Bernardo, M.A.; Díaz, P.; García-España, E.; Seixas de Melo, J.; Pina, F.; Soriano, C.; Luis, S.V.. "Polyamines
containing naphthyl groups as pH-regulated molecular machines driven by light". Chemical Communications 16 (2001):
1520-1521. http://www.scopus.com/inward/record.url?eid=2-s2.0-0035928672&partnerID=MN8TOARS.
- Bernardo, M.A.; Alves, S.; Pina, F.; De Melo, J.S.; Albelda, M.T.; Garcia-España, E.; Llinares, J.M.; et al. "Polyamine Linear
Chains Bearing Two Identical Terminal Aromatic Units. Evidence for a Photo Induced Bending Movement". Supramolecular Chemistry
13 3 (2001): 435-445. http://www.scopus.com/inward/record.url?eid=2-s2.0-0035564692&partnerID=MN8TOARS.
10.1080/10610270108029459
- Burrows, H.D.; De Melo, J.S.; Serpa, C.; Arnaut, L.G.; Monkman, A.P.; Hamblett, I.; Navaratnam, S.. "S1 ~> T1 intersystem
crossing in p-conjugated organic polymers". Journal of Chemical Physics 115 20 (2001): 9601-9606. http://www.scopus.com/inward/record.url?eid=2-s2.0-0035935991&partnerID=MN8TOARS.
10.1063/1.1413969
- Lodeiro, C.; Pina, F.; Parola, A.J.; Bencini, A.; Bianchi, A.; Bazzicalupi, C.; Ciattini, S.; et al. "Exploring the photocatalytic
properties and the long-lifetime chemosensor ability of CI2[Ru(Bpy)2L] (L = 2,5,8,11,14-pentaaza[15])-2,2'-bipyridilophane)".
Inorganic Chemistry 40 26 (2001): 6813-6819. http://www.scopus.com/inward/record.url?eid=2-s2.0-20244366354&partnerID=MN8TOARS.
10.1021/ic0105213
- Seixas de Melo, J. Sérgio. "Síntese, Espectroscopia e Tingimento com Corantes: o Índigo". Química: Boletim da Sociedade
Portuguesa de Química 81 66 (2001):
Publicado
- de Melo, JS; Quinteiro, G; Pina, J; Breda, S; Fausto, R; Seixas de Melo, J.; Quinteiro, G.; et al. "Spectroscopic characterization
of alpha- and gamma-pyrones and their substituted 4-hydroxy and 4-methoxy derivatives: an integrated infrared, photophysical
and theoretical study". Journal of Molecular Structure 565-566 (2001): 59-67. https://publons.com/publon/9171204/.
10.1016/S0022-2860(00)00944-3
- Seixas de Melo, J. Sérgio; Seixas de Melo, J; Fernandes, P.F. "Spectroscopy and photophysics of 4-and 7-hydroxycoumarins and
their thione analogs". Journal of Molecular Structure 565-566 (2001): 69-78. https://publons.com/publon/9270347/.
10.1016/s0022-2860(01)00458-6
- Seixas De Melo, J.; Elisei, F.; Gartner, C.; Aloisi, G.G.; Becker, R.S.. "Comprehensive investigation of the photophysical
behavior of oligopolyfurans". Journal of Physical Chemistry A 104 30 (2000): 6907-6911. http://www.scopus.com/inward/record.url?eid=2-s2.0-0000940432&partnerID=MN8TOARS.
- Bencini, A.; Bianchi, A.; Lodeiro, C.; Masotti, A.; Parola, A.J.; Pina, F.; De Melo, J.S.; Valtancoli, B.. "A novel fluorescent
chemosensor exhibiting exciplex emission. An example of an elementary molecular machine driven by pH and by light". Chemical
Communications 17 (2000): 1639-1640. http://www.scopus.com/inward/record.url?eid=2-s2.0-0034618454&partnerID=MN8TOARS.
- De Seixas Melo, J.. "Singlet and triplet energies of a-oligothiophenes: A spectroscopic, theoretical, and photoacoustic study:
Extrapolation to polythiophene". Journal of Chemical Physics 111 12 (1999): 5427-5433. http://www.scopus.com/inward/record.url?eid=2-s2.0-0001631872&partnerID=MN8TOARS.
- De Melo, J.S.; Becker, R.S.; Elisei, F.; Maçanita, A.L.. "The photophysical behavior of 3-chloro-7-methoxy-4-methylcoumarin
related to the energy separation of the two lowest-lying singlet excited states". Journal of Chemical Physics 107 16
(1997): 6062-6069. http://www.scopus.com/inward/record.url?eid=2-s2.0-0010555621&partnerID=MN8TOARS.
- Seixas de Melo, J. Sérgio; Becker, Ralph S.; Seixas de Melo, J.; Maçanita, António L.; Elisei, Fausto. "Comprehensive Evaluation
of the Absorption, Photophysical, Energy Transfer, Structural, and Theoretical Properties of a-Oligothiophenes with One to
Seven Rings". The Journal of Physical Chemistry 100 48 (1996): 18683-18695. https://publons.com/publon/6254151/.
Publicado • 10.1021/JP960852E
- Lopes, A.; De Melo, J.S.; Martins, A.J.; Macanita, A.L.; Pina, F.S.; Wamhoff, H.; Melo, E.. "Partition of pesticides of the
coumarin family between water and amphiphilic aggregates". Environmental Science and Technology 29 3 (1995): 562-570.
http://www.scopus.com/inward/record.url?eid=2-s2.0-0028975008&partnerID=MN8TOARS.
10.1021/es00003a002
- Borges, M. L.; Matos, O. C.; Pais, I.; Demelo, J. S.; Ricardo, C. P.; Macanita, A.; Becker, R. S.. "EVALUATION OF A BROAD
VARIETY OF COUMARINS, CHROMONES, THEIR FUROHOMOLOGUES AND THIONE ANALOGS AS PHOTOTOXINS ACTIVATED BY UVA AND VISIBLE-LIGHT".
Pesticide Science 44 2 (1995): 155-162.
- Becker, R. S.; Demelo, J. S.; Macanita, A. L.; Elisei, F.. "COMPREHENSIVE INVESTIGATION OF THE SOLUTION PHOTOPHYSICS AND THEORETICAL
ASPECTS OF OLIGOTHIOPHENES OF 1-7 RINGS". Pure and Applied Chemistry 67 1 (1995): 9-16.
10.1351/pac199567010009
- Seixas de Melo, J.; Becker, R. S.; António L. Maçanita. "PHOTOPHYSICAL BEHAVIOR OF COUMARINS AS A FUNCTION OF SUBSTITUTION
AND SOLVENT - EXPERIMENTAL-EVIDENCE FOR THE EXISTENCE OF A LOWEST LYING (1)(n,pi*)) STATE". The Journal of Physical Chemistry
(1994): https://publons.com/publon/9270354/.
- Seixas de Melo, J.; Maçanita, A.L.. "Three interconverting excited species: experimental study and solution of the general
photokinetic triangle by time-resolved fluorescence". Chemical Physics Letters 204 5-6 (1993): 556-562. http://www.scopus.com/inward/record.url?eid=2-s2.0-0000433556&partnerID=MN8TOARS.
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| Poster em conferência |
- Seixas de Melo, J. Sérgio. "Porphyrin-containing SPEEK Composite Membranes for Fuel Cells". Trabalho apresentado em 8th
Iberian Meeting on Colloids and Interfaces - RICI8, 2019.
- Seixas de Melo, J. Sérgio. "Water Soluble Acridones for Redox Flow Batteries". Trabalho apresentado em 6th Portuguese Young
Chemists Meeting (PYCHEM), 2018.
- Seixas de Melo, J. Sérgio. "The Effect of the TiO2 Blocking Layer Deposition Technique on the Efficiency of Triple-cation
Mixed-halide Perovskites Solar Cells: Spray Pyrolysis vs. Atomic Layer Deposition". Trabalho apresentado em 7th EuCheMS
Chemistry Congress, Energy poster abstracts section, 2018.
- Seixas de Melo, J. Sérgio. "Aggregation Induced Emission in Phenothiazine -TPE and -TPAN polymers". Trabalho apresentado em
VIth Jornadas Ibéricas de Fotoquímica, 2018.
- Seixas de Melo, J. Sérgio. "Antraquinones as Electrolytes for Redox Flow Batteries: A Comprehensive Spectral, Phorophysical
and Electrochemical Study". Trabalho apresentado em VIth Jornadas Ibéricas de Fotoquímica, 2018.
- Seixas de Melo, J. Sérgio. "Aggregation-Induced Emission vs. Agreggation-Caused Quenching in Tetraphenylethene-Sunstituted
Polythiophenes". Trabalho apresentado em VIth Jornadas Ibéricas de Fotoquímica, 2018.
- Seixas de Melo, J. Sérgio. "Water Soluble Electrolytes for Redox Flow Batteries: a Spectral, Photophysical and Electrochemical
Study". Trabalho apresentado em VIth Jornadas Ibéricas de Fotoquímica, 2018.
- Seixas de Melo, J. Sérgio; Daniela Ribeiro Pinheiro (341D-0EFF-8760). "Mono and Di-substituted Indigo Derivatives: Synthesis
and Excited State Characterization". Trabalho apresentado em VIth Jornadas Ibéricas de Fotoquímica (6JIF), 2018.
- Seixas de Melo, J. Sérgio; Daniela Ribeiro Pinheiro (341D-0EFF-8760). "A Comprehensive Investigation of Tryptanthrin, an Alkaloid
From Indigo and Isatin". Trabalho apresentado em 6th Portuguese Young Chemists Meeting (6thPYCHEM), 2018.
- Seixas de Melo, J. Sérgio; Daniela Ribeiro Pinheiro (341D-0EFF-8760); Pedro Brandão (3319-A1CD-E42C). "Microwave-assisted
synthesis of Tryptanthrin from Indigo: an alternative route for an important scaffold in Medicinal Chemistry". Trabalho apresentado
em 12th National Organic Chemistry Meeting/ 5th National Medicinal Chemistry Meeting, 2018.
- Seixas de Melo, J. Sérgio; Daniela Ribeiro Pinheiro (341D-0EFF-8760); Pedro Brandão (3319-A1CD-E42C). "One-Pot and One-Step
Microwave-Assisted Synthesis of Tryptanthrin – a Relevant Natural Product in Medicinal Chemistry". Trabalho apresentado em
International Symposium on Synthesis and Catalysis 2017 (IsySyCat2017), 2017.
- Seixas de Melo, J. Sérgio; Daniela Ribeiro Pinheiro (341D-0EFF-8760). "Mono and Di-substituted Indigo Derivatives: Synthesis
and Excited State Characterization". Trabalho apresentado em XXV Encontro Nacional da Sociedade Portuguesa da Química,
University of Lisbon, Portugal, 2017.
- Seixas de Melo, J. Sérgio; Daniela Ribeiro Pinheiro (341D-0EFF-8760). "Mono-alkylated Indigo Derivatives". Trabalho apresentado
em Chemistry Centre Day – University of Coimbra, Portugal, 2016.
- Seixas de Melo, J. Sérgio. "Synthesis and Characterization of Indigo-containing Conjugated Polymers". Trabalho apresentado
em Europolymer Conference (EUPOC), Conducting Polymeric Materials, 2015.
- Seixas de Melo, J. Sérgio. "Synthesis, structure and physical properties of luminescent Pr(III) b-diketonate complexes". Trabalho
apresentado em XXXIX Colloquium Spectroscopicum Internationale, 2015.
- Seixas de Melo, J. Sérgio; Ana Luisa Costa. "Controlling the fluorescence behavior of 1-pyrenesulfonate by cointercalation
with a surfactant in a layered double hydroxide". Trabalho apresentado em XXIV Encontro Nacional da Sociedade Portuguesa
de Química, 2015.
- Seixas de Melo, J. Sérgio. "Co-intercalation and photophysical characterization of indigo carmine and 1-hexanesulfonate in
Zn-Al layered double hydroxides". Trabalho apresentado em 5th International Conference on Advanced Nanomaterials, 2014.
- Seixas de Melo, J. Sérgio. "Co-intercalation of an anionic pyrene derivative and a surfactant in a Zn-Al layered double hydroxides".
Trabalho apresentado em 20th International Symposium in Surfactants in Solution, 2014.
- Seixas de Melo, J. Sérgio. "Chain length dependent excited-state decay processes of diluted PF2/6 solutions". Trabalho apresentado
em 11º Encontro Nacional de Química-Física, 2013.
- Seixas de Melo, J. Sérgio. "The vibronic effect with 5,6-DMBC: a steady-state and time-resolved study". Trabalho apresentado
em 11º Encontro Nacional de Química Física, 9 e 10 de maio de 2013, Porto, Portugal., 2013.
- Seixas de Melo, J. Sérgio. "Identification of Mauveine in Victoria Postage Stamps by HPLC-DAD-MS/MS". Trabalho apresentado
em HPLC2013 the 39th International Symposium on High Performance Liquid Phase Separations and Related Techniques, Amsterdam,
RAI Congress Centre, The Netherlands, 16-20 June 2013., 2013.
- Seixas de Melo, J. Sérgio. "Multivariate Analysis of Portuguese Scientific Productivity, with a focus in Chemistry". Trabalho
apresentado em XXIII ENCONTRO NACIONAL DA SPQ, Aveiro, 12-14 junho de 2013., 2013.
- Seixas de Melo, J. Sérgio. "Maya Pink": excited state characterization of thioindigo derivatives in solution and incorporated
in attapulgite and sepiolite clays". Trabalho apresentado em XXIV IUPAC Symposium on Photochemistry, pp 27,Coimbra, 15-20
Julho 2012., 2012.
- Seixas de Melo, J. Sérgio; Daniela Ribeiro Pinheiro (341D-0EFF-8760). "Synthesis and Photophysical investigation of two new
chemosensors based on pyrene excimer formation". Trabalho apresentado em XXIV IUPAC Symposium On Photochemistry – University
of Coimbra, Portugal, 2012, 2012.
- Seixas de Melo, J. Sérgio. "Proton transfer and tautomerization reactions of 7-hydroxycoumarins in AOT water in oil microemulsions".
Trabalho apresentado em XXIV IUPAC Symposium on Photochemistry, pp 258,Coimbra, 15-20 Julho 2012., 2012.
- Seixas de Melo, J. Sérgio. "Excited state characterization of an indigo derivative, DPHI". Trabalho apresentado em XXIV
IUPAC Symposium on Photochemistry, pp 119,Coimbra, 15-20 Julho 2012., 2012.
- Seixas de Melo, J. Sérgio. "The structure of maya blue illustrated with a model of beads and LEDs". Trabalho apresentado em
XXIV IUPAC Symposium on Photochemistry, pp 296,Coimbra, 15-20 Julho 2012., 2012.
- Seixas de Melo, J. Sérgio. "Redwoods used in works of art: a photochemical approach". Trabalho apresentado em XXIV IUPAC
Symposium on Photochemistry, pp 296, Coimbra, 15-20 Julho 2012., 2012.
- Seixas de Melo, J. Sérgio. "Monomer-excimer kinetics with pyrene labelled poly(acrylic acid) polymers: is the distribution
of the probe a critical aspect?". Trabalho apresentado em XXIV IUPAC Symposium on Photochemistry, pp 258,Coimbra, 15-20
Julho 2012., 2012.
- Seixas de Melo, J. Sérgio. "Anthocyanins as natural photoprotectors. The role of the hemiketal form". Trabalho apresentado
em XXIV IUPAC Symposium on Photochemistry, pp 221,Coimbra, 15-20 Julho 2012., 2012.
- Seixas de Melo, J. Sérgio. "Surfactant modulated interaction between cationic oligophenylenevinylenes and the anionic conjugated
polyelectrolytes". Trabalho apresentado em XXIV IUPAC Symposium on Photochemistry, pp 138,Coimbra, 15-20 Julho 2012.,
2012.
- Seixas de Melo, J. Sérgio. "Experimental and theoretical approach to the photophysics of neutral fluorenes enclosed into phospholipid
bilayers". Trabalho apresentado em XXIV IUPAC Symposium on Photochemistry, pp 30,Coimbra, 15-20 Julho 2012., 2012.
- Seixas de Melo, J. Sérgio. "Experimental and theoretical excited state characterization of model organic conjugated donor-acceptor
oligomers for solar cells applications". Trabalho apresentado em XXIV IUPAC Symposium on Photochemistry, pp 61,Coimbra,
15-20 Julho 2012., 2012.
- Seixas de Melo, J. Sérgio. "Characterization of coumarin’s excited states". Trabalho apresentado em XXII Encontro Nacional
SPQ, 2011.
- Seixas de Melo, J. Sérgio. "Photoprototropic reactions of hydroxycoumarins. The “push pull” vs. The “Eigen pair” mechanism".
Trabalho apresentado em III Jornadas Ibéricas de Fotoquímica, 2011.
- Seixas de Melo, J. Sérgio. "Excited-state dynamics and thermochromism of poly(3-hexylthiophene) (P3HT) in solution". Trabalho
apresentado em “III Jornadas Ibéricas de Fotoquímica”, pp. 103, Granada (Spain), 4-7 September, 2011., 2011.
- Seixas de Melo, J. Sérgio. "Photophysics of short poly(acrylic acid) chains labeled with pyrene". Trabalho apresentado em
III Jornadas Ibéricas de Fotoquímica”, pp. 155-156, Granada (Spain), 4-7 September, 2011., 2011.
- Seixas de Melo, J. Sérgio. "Revisiting Maya Blue with indigo and thioindigo". Trabalho apresentado em III Jornadas Ibéricas
de Fotoquímica”, pp. 119-120, Granada (Spain), 4-7 September, 2011., 2011.
- Seixas de Melo, J. Sérgio. "Pyrene labelled PAA polymer: photophysics and modeling". Trabalho apresentado em XXII Encontro
Nacional SPQ”, pp. 159, Braga (Portugal), 3-6 July, 2011., 2011.
- Seixas de Melo, J. Sérgio. "Dehydroindigo, the forgotten indigo and its contribution to Maya Blue". Trabalho apresentado em
“3rd EuCheMS”, Nürnberg (Germany), 29 august-2 September, 2010., 2010.
- Seixas de Melo, J. Sérgio. "Indigo- one Molecule, Tree Forms, Numerous Applications". Trabalho apresentado em “Dyes in
History & Archaeology”, pp. 80-81, Lisboa (Portugal), 11-12 November, 2010., 2010.
- Seixas de Melo, J. Sérgio. "Photophysics and photochemistry of red anthraquinones used in works of art". Trabalho apresentado
em XXIII IUPAC Symposium on Photochemistry”, pp. 315, Ferrara (Italy), 11-16 July, 2010., 2010.
- Seixas de Melo, J. Sérgio. "using self-assembly to enhance electronic energy transfer in anionic conjugated polyelectrolytes
containing energy acceptors". Trabalho apresentado em “XXIII IUPAC Symposium on Photochemistry”, pp. 306, Ferrara (Italy),
11-16 July, 2010., 2010.
- Seixas de Melo, J. Sérgio. "Unveilling the secrets of Maya Blue". Trabalho apresentado em “10TH NATIONAL MEETING ON PHOTOCHEMISTRY”
pp. 72, Porto (Portugal), 9-10 December, 2010., 2010.
- Seixas de Melo, J. Sérgio; Daniela Ribeiro Pinheiro (341D-0EFF-8760). "Spectral and photophysical properties of aromatic-pyrrol
oligomers". Trabalho apresentado em 10TH NATIONAL MEETING ON PHOTOCHEMISTRY” pp. 70, Porto (Portugal), 9-10 December, 2010.,
2010.
- Seixas de Melo, J. Sérgio. "Photophysical and spectroscopic investigations on (oligo)thiophene-arylene step-ladder copolymers".
Trabalho apresentado em 10TH NATIONAL MEETING ON PHOTOCHEMISTRY” pp. 69, Porto (Portugal), 9-10 December, 2010., 2010.
- Seixas de Melo, J. Sérgio. "Cultural Heritage meets photochemistry". Trabalho apresentado em 10TH NATIONAL MEETING ON PHOTOCHEMISTRY”
pp. 59, Porto (Portugal), 9-10 December, 2010., 2010.
- Seixas de Melo, J. Sérgio. "Photophysical and molecular modeling studies of pyrene labelled polymers". Trabalho apresentado
em 10TH NATIONAL MEETING ON PHOTOCHEMISTRY” pp. 43, Porto (Portugal), 9-10 December, 2010., 2010.
- Seixas de Melo, J. Sérgio. "Dehydroindigo, the forgotten indigo and its contribution to the color of Maya Blue". Trabalho
apresentado em 2PYCheM”, pp. 148, Aveiro (Portugal), 21-23 April, 2010., 2010.
- Seixas de Melo, J. Sérgio. "Spectral and photophysical studies of substituted indigo derivatives in their leuco forms". Trabalho
apresentado em “XXII IUPAC Symposium on Photochemistry”, pp. 238, Gothenburg (Sweden), 28 July- 1 August, 2008., 2008.
- Seixas de Melo, J. Sérgio. "Spectral and photophysical studies of substituted indigo der. in their leuco forms". Trabalho
apresentado em “XXI Encontro Nacional SPQ”, pp. 264, Porto (Portugal), 11-13 July, 2008., 2008.
- Seixas de Melo, J. Sérgio. "Excited-state behaviour of indigo’s reduced (leuco) form". Trabalho apresentado em 2ND European
Chemistry Congress, Torino (Italy), 16-20 September, 2008, 2008.
- Seixas de Melo, J. Sérgio. "Intercalation and photophysical properties of pyrene chromophores in layered double hydroxides”;
Book of Abstracts of the". Trabalho apresentado em Sixth International Conference on Inorganic Materials”, Dresden (Germany),
28-30 September, 2008., 2008.
- Seixas de Melo, J. Sérgio. "The effect of the degree of labeling on the associative behavior of hydrophobically modified PAA
polymers". Trabalho apresentado em “Polyelectrolytes 2008”, pp. 139, Coimbra (Portugal), 16-19 June, 2008., 2008.
- Seixas de Melo, J. Sérgio. "Intercalation and photophysical properties of pyrene chromophores in layered double hydroxides".
Trabalho apresentado em “V Jornadas CICECO”, pp. 105, Aveiro (Portugal), 24-25 January, 2008., 2008.
- Seixas de Melo, J. Sérgio. "Synthesis, Photophysics and Solution Behaviour of Cationic Fluorene-Thiophene Diblock Copolymers".
Trabalho apresentado em Macromol. Rapid Commun. 29, F50, Alemanha, 2008., 2008.
- Seixas de Melo, J. Sérgio. "Microspectrofluorimetry: a new technique to unveil red paints". Trabalho apresentado em Conservation
Science 2007, 10-11 Maio 2007, Milão, Itália., 2007.
- Seixas de Melo, J. Sérgio. "Electronic spectral and photophysical studies on oligoaryls cruciforms in solution and in the
solid state". Trabalho apresentado em II Jornadas Ibéricas de Fotoquímica, pp78, Faro, Portugal, 23-27 Julho 2007.,
2007.
- Seixas de Melo, J. Sérgio. "Fluorescence Behaviour of a Pyrene-end capped Poly(ethylene oxide) in Organic Solvents and Dioxane-water
mixtures". Trabalho apresentado em IIª Reunião Ibérica de Colóides e Interfaces, pp 167, Coimbra, Portugal, 11-13 Julho
2007., 2007.
- Seixas de Melo, J. Sérgio. "Spectroscopic and photophysical studies of poly[x,x-(1,1’-binaphthyl)]thiophenes: a new class
of naphthalene-thiophene copolymers.". Trabalho apresentado em IIª Reunião Ibérica de Colóides e Interfaces, pp 172, Coimbra,
Portugal, 11-13 Julho 2007., 2007.
- Seixas de Melo, J. Sérgio. "Photohysical Studies of Zn-Al Layered Double Hydroxides Intercalated with Anionic Pyrene Derivatives".
Trabalho apresentado em 8º Encontro Nacional de Química Física da Sociedade Portuguesa de Química, pp 37, Luso, Portugal,
21 e 22 de Junho 2007., 2007.
- Seixas de Melo, J. Sérgio. "Synthesis Photophysics and solution behaviour of cationic fluorene-thiophene diblock copolymers".
Trabalho apresentado em 8º Encontro Nacional de Química Física da Sociedade Portuguesa de Química, pp 144, Luso, Portugal,
21 e 22 de Junho 2007., 2007.
- Seixas de Melo, J. Sérgio. "Spectral and photophysical characterization of donor-¿-acceptor arylthienyl- and bithienyl-benzothiazole
derivatives in solution and solid state". Trabalho apresentado em 8º Encontro Nacional de Química Física da Sociedade Portuguesa
de Química, pp 42, Luso, Portugal, 21 e 22 de Junho 2007., 2007.
- Seixas de Melo, J. Sérgio. "Dynamics of Short and Long Poly(acrylic acid) Chains Hydrophobically Modified with Pyrene followed
by Fluorescence Techniques". Trabalho apresentado em Summer School of Ultrafast Reaction Dynamics and Applications,
2006.
- Seixas de Melo, J. Sérgio. "Spectral and Photophysical Studies of Substituted Indigo Derivatives in their keto forms.". Trabalho
apresentado em Summer School of Ultrafast Reaction Dynamics and Applications, 2006.
- Seixas de Melo, J. Sérgio. "Photophysics of an Indigo derivative (leuco and keto structures) with singular properties". Trabalho
apresentado em XX Encontro Nacional da Sociedade Portuguesa de Química, 2006.
- Seixas de Melo, J. Sérgio. "In the path of Dragon's blood: the multi-equilibria of a colourful natural dye". Trabalho apresentado
em 25th Annual Meeting on Dyes in History and Archaeology, 21-22 September 2006, Suceava, Romania., 2006.
- Seixas de Melo, J. Sérgio. "Fluorescence studies on hydrophobically modified polymers and oligomers based on carboxylic acid".
Trabalho apresentado em XX Encontro Nacional da Sociedade Portuguesa de Química, 14-16 de de Dezembro de 2006, Campus de
Caparica, FCT/UNL, pág. 174., 2006.
- Seixas de Melo, J. Sérgio. "Spectral and Photophysical Studies of poly[2,6-(1,5-dioctylnaphthalene)]thiophenes". Trabalho
apresentado em XX Encontro Nacional da Sociedade Portuguesa de Química, 14-16 de de Dezembro de 2006, Campus de Caparica,
FCT/UNL, pág. 285., 2006.
- Seixas de Melo, J. Sérgio. "Discovery red paints with Microspectrofluorimetry". Trabalho apresentado em XX Encontro Nacional
da Sociedade Portuguesa de Química, 14-16 de de Dezembro de 2006, Campus de Caparica, FCT/UNL, pág. 164., 2006.
- Seixas de Melo, J. Sérgio. "Art matters. The contribution of chemistry and green chemistry to conservation and restoration".
Trabalho apresentado em XX Encontro Nacional da Sociedade Portuguesa de Química, 14-16 de de Dezembro de 2006, Campus de
Caparica, FCT/UNL, pág. 257., 2006.
- Seixas de Melo, J. Sérgio. "Mauveine Chemistry and Colour". Trabalho apresentado em XX Encontro Nacional da Sociedade Portuguesa
de Química, 14-16 de de Dezembro de 2006, Campus de Caparica, FCT/UNL, pág. 342., 2006.
- Seixas de Melo, J. Sérgio. "Self-assembly of non-ionic surfactants with fluorene based anionic conjugated polyelectrolytes".
Trabalho apresentado em 1st European Chemsitry Congress, 27-31 August 2006, Budapest, Hungary., 2006.
- Seixas de Melo, J. Sérgio. "At the beginning of the inverted region: energy, temperature and pressure efects in bimolecular
charge separations". Trabalho apresentado em Summer School of Ultrafast Reaction Dynamics and Applications, pp. 47, Vilamoura
(Portugal), 1-3 Junho, 2006., 2006.
- Seixas de Melo, J. Sérgio. "At the end of the inverted region: energy, temperature and pressure efects in ultra-exothermiccharge
recombinations". Trabalho apresentado em Summer School of Ultrafast Reaction Dynamics and Applications, pp. 61, Vilamoura
(Portugal), 1-3 Junho, 2006., 2006.
- Seixas de Melo, J. Sérgio. "Fluorescence studies of hydrophobically modified polymers with different polymer chain sizes".
Trabalho apresentado em World Polymer Congress – Macro 2006 – 41º IUPAC International Symposium on Macromolecules; pp.110,
Rio de Janeiro (Brasil), 16-21 Julho, 2006., 2006.
- Seixas de Melo, J. Sérgio. "Photophysical studies of ¿,w-dicyanothiophenes NC(C4H2S)nCN (n= 1-6).". Trabalho apresentado em
do “Ultrafast Reaction Dynamics and applications”, Summer School, pp. 56, Vilamoura, Portugal, 1-3 Junho, 2006., 2006.
- Seixas de Melo, J. Sérgio. "Photophysics of indigo derivatives". Trabalho apresentado em 8º Encontro Nacional de Fotoquímica,
2005.
- Seixas de Melo, J. Sérgio. "Critical experimental tests of electron–transfer theories". Trabalho apresentado em 8º Encontro
Nacional de Fotoquímica, página 81, Coimbra, 16 e 17 de Dezembro de 2005., 2005.
- Seixas de Melo, J. Sérgio. "Um vermelho no tempo dos dinossauros: sangue de dragão". Trabalho apresentado em 8º Encontro
Nacional de Fotoquímica, página 63, Coimbra, 16 e 17 de Dezembro de 2005., 2005.
- Seixas de Melo, J. Sérgio. "Vermelhos com história". Trabalho apresentado em 8º Encontro Nacional de Fotoquímica, página
62, Coimbra, 16 e 17 de Dezembro de 2005., 2005.
- Seixas de Melo, J. Sérgio. "A new polyamininic molecular sensor bearing a dansyl group as fluorophore". Trabalho apresentado
em 8º Encontro Nacional de Fotoquímica, página 57, Coimbra, 16 e 17 de Dezembro de 2005., 2005.
- Seixas de Melo, J. Sérgio. "Triplet state and singlet oxygen formation in some fluorene based conjugated alternating copolymers".
Trabalho apresentado em 8º Encontro Nacional de Fotoquímica, página 41, Coimbra, 16 e 17 de Dezembro de 2005., 2005.
- Seixas de Melo, J. Sérgio. "Photophysical and spectroscopic studies of star-shaped oligothiophenes in solution and the solid
state". Trabalho apresentado em 8º Encontro Nacional de Fotoquímica, página 37, Coimbra, 16 e 17 de Dezembro de 2005.,
2005.
- Seixas de Melo, J. Sérgio. "Spectroscopic and conductimetric study of poly-(9,9-bis(6’-n,n,n-trymethylamonium)hexyl)-fluorene
phenylene) bromide in dimethylsulfoxide/water mixtures. a probe to detect sodium alkylsulfonate surfactant aggregation". Trabalho
apresentado em 8º Encontro Nacional de Fotoquímica, página 35, Coimbra, 16 e 17 de Dezembro de 2005., 2005.
- Seixas de Melo, J. Sérgio. "Contact charge transfer between poly[9,9-(diethylhexyl)fluorene] and halogenated hydrocarbons".
Trabalho apresentado em 8º Encontro Nacional de Fotoquímica, página 29, Coimbra, 16 e 17 de Dezembro de 2005., 2005.
- Seixas de Melo, J. Sérgio. "Photoinduced Electron Transfers in Supercritical Medium. A New Look at the Marcus Inverted Region".
Trabalho apresentado em Matrix-2005, The Physics and Chemistry of Matrix Isolated Species, Funchal, 24-29 July 2005.,
2005.
- Seixas de Melo, J. Sérgio. "Study of the interaction between a polyelectrolyte randomly labeled with pyrene and a PEO-PPO-PEO
triblock copolymer using fluorescence and dynamic light scattering Techniques". Trabalho apresentado em I Reunión Ibérica
de Coloides e Interfases, Salamanca, Espanha, 13-15 de Julho de 2005., 2005.
- Seixas de Melo, J. Sérgio. "Recombinações de Carga Ultra-Exotérmicas em dióxido de Carbono Supercrítico". Trabalho apresentado
em O final da Região Invertida de Marcus, P8, 7º Encontro Nacional de Química-Física da SPQ, Porto, 5, a 7 de Maio de 2005.,
2005.
- Seixas de Melo, J. Sérgio. "Characterisation of triplet states of fluorene based copolymers". Trabalho apresentado em 8ª
European Conference on Molecular Electronics-ECME8, pp 134, Bolonha, Itália, 29 Junho- 2 Julho, 2005., 2005.
- Seixas de Melo, J. Sérgio. "Transient absorption spectral studies on triplet states of fluorene based copolymers". Trabalho
apresentado em Pump probe, Biology and 4GLS Workshop, CCLRC Daresbury Laboratory, 7-8 February 2005., 2005.
- Seixas de Melo, J. Sérgio. "The effect of substitution and isomeric imperfection on the photophysical behaviour of p-phenylenevinylene
trimers". Trabalho apresentado em XIX Encontro da Sociedade Portuguesa de Química, 2004.
- Seixas de Melo, J. Sérgio. "Temperature Dependent Conformational Phenomena with Substituted Polythiophene in the Lowest Singlet
Excited State". Trabalho apresentado em XIX Encontro da Sociedade Portuguesa de Química, 2004.
- Seixas de Melo, J. Sérgio. "Pulse radiolysis studies of electron and energy transfer in conjugated polymers". Trabalho apresentado
em Free Radicals and Excited States in Aqueous and Non-Aqueous Solutions, CCLRC Daresbury Laboratory, 27 – 29 October 2004,
p. 5., 2004.
- Seixas de Melo, J. Sérgio. "Fluorescence and dynamic light scattering studies on the interaction between a polyelectrolyte
(PAA) and cationic and neutral surfactants and a block copolymer". Trabalho apresentado em International Symposium on Surface
and Colloid Chemistry Applied to Nanoscience, pp. 23, Lund, Sweden, 18-19 Novembro, 2004., 2004.
- Seixas de Melo, J. Sérgio. "Fluorescence Studies on the Interaction Between Pyrene-labelled Polyelectrolyt Poly(acrylic acid)
and Cationic Surfactants, a Nonionic Surfactant and a Triblock Copolymer". Trabalho apresentado em XIX Encontro da Sociedade
Portuguesa de Química, pp 309, Coimbra, Portugal, 15-17 Abril, 2004., 2004.
- Seixas de Melo, J. Sérgio. "Spectral and Photophysical Aspects of New Indigo and Indirrubine Derivatives". Trabalho apresentado
em XIX Encontro da Sociedade Portuguesa de Química, pp 233, Coimbra, Portugal, 15-17 Abril, 2004., 2004.
- Seixas de Melo, J. Sérgio. "Fluorescence Chemosensors Based on Pyrene Emission. Interaction with Metal Ions and Barbituric
Acids". Trabalho apresentado em XIX Encontro da Sociedade Portuguesa de Química, pp 106, Coimbra, Portugal, 15-17 Abril,
2004., 2004.
- Seixas de Melo, J. Sérgio. "Binding of surfactants to the water soluble copolymer poly{1,4-Phenylene-[9,9-bis(4-phenoxy-propylsulfonate]fluorene-2,7-diyl}".
Trabalho apresentado em XIX Encontro da Sociedade Portuguesa de Química, pp 415, Coimbra, Portugal, 15-17 Abril, 2004.,
2004.
- Seixas de Melo, J. Sérgio. "Triplet state and singlet oxygen formation in some novel fluorene based copolymers". Trabalho
apresentado em XIX Encontro da Sociedade Portuguesa de Química, pp 211, Coimbra, Portugal, 15-17 Abril, 2004., 2004.
- Seixas de Melo, J. Sérgio. "Photophysics of some dialkyl substituted p phenylene trimers". Trabalho apresentado em XIX
Encontro da Sociedade Portuguesa de Química, pp 196, Coimbra, Portugal, 15-17 Abril, 2004, 2004.
- Seixas de Melo, J. Sérgio. "Time-resolved and steady-state fluorescence studies of hydrophobically modified water-soluble
polymers". Trabalho apresentado em Molecular Basis of Fast and Ultrafast Processes, European Science Foundation ULTRA Programme,
2003.
- Seixas de Melo, J. Sérgio. "Photophysical and Spectroscopic Studies of Indigo derivatives in their Leuco and Keto Forms".
Trabalho apresentado em Iº Encontro Ibérico de Fotoquímica/7º Encontro Nacional de Fotoquímica Sociedade Portuguesa de
Química, 2003.
- Seixas de Melo, J. Sérgio. "Electron and hole trapping and transfer in poly[9,9-di(ethylhexyl)fluorene]". Trabalho apresentado
em 11th Symposium on Unconventional Photoactive Systems, Leuven (Belgium), 14-18 September 2003, p.112-114., 2003.
- Seixas de Melo, J. Sérgio. "Conjugated polymer triplet states as seen by pulse radiolysis". Trabalho apresentado em Free
Radicals and Excited States in Chemistry and Biochemistry, CCLRC Daresbury, 19-21 May 2003, p.9., 2003.
- Seixas de Melo, J. Sérgio. "Photophysical study of tris(8-hydroxyquinoline) aluminium (III) in benzene solution". Trabalho
apresentado em Iº Encontro Ibérico de Fotoquímica/7º Encontro Nacional de Fotoquímica Sociedade Portuguesa de Química,
pp 97, Santiago de Compostela, Espanha, 18-20 Setembro, 2003., 2003.
- Seixas de Melo, J. Sérgio. "Very exothermic electron transfers and the end of the “inverted region". Trabalho apresentado
em 6º Encontro Nacional de Química Física, pp.CO1, Lisboa, 31 de Agosto a 3 Setembro, 2003., 2003.
- Seixas de Melo, J. Sérgio. "Thermodynamics and Dynamics of Excimer Formation with Naphthalene-Labelled Poly(acrylic acid)
polymers from Steady-State and Time-Resolved Fluorescence Data". Trabalho apresentado em Polyelectolytes 2002, Lund, Sweden,
2002.
- Seixas de Melo, J. Sérgio. "Multiple Triplet Excitation on a Single Conjugated Polymer Chain". Trabalho apresentado em 2nd
Rhodia Conference on Surfactant Systems, Bristol, U.K., 17-20 September 2002., 2002.
- Seixas de Melo, J. Sérgio. "Photoinduced Electron Transfer in Organic Solvents and Supercritical CO2". Trabalho apresentado
em Gordon Research Conference: Electron Donor Acceptor Interactions, Newport, RI, USA, 11-16 August 2002., 2002.
- Seixas de Melo, J. Sérgio. "Structure, Medium and Driving Force Effects on Forward and Back Photoinduced Electron Transfer
Between Organic Molecules.". Trabalho apresentado em XIXth IUPAC Symposium on Photochemistry, Budapest, Hungary, 14-19
July 2002., 2002.
- Seixas de Melo, J. Sérgio. "Fotoluminescência de Tris(8-Hidroxiquinolato) de Alumínio (III) (Alq3) em Soluções Aquosas de
Surfactantes". Trabalho apresentado em XVIII Encontro Nacional da Sociedade Portuguesa de Química, Aveiro 2002., 2002.
- Seixas de Melo, J. Sérgio. "Síntese, caracterização e estudos fotofísicos da meso-tetra-fenil-porfirina ligada a quatro antracenos
através de grupos sulfonamida". Trabalho apresentado em ”, XVIII Encontro Nacional da Sociedade Portuguesa de Química,
Aveiro 2002., 2002.
- Seixas de Melo, J. Sérgio. "Spectroscopy and Photophysics of 4- and 7-Hydroxycoumarins and their thione analogs". Trabalho
apresentado em EUCMOS XXV, 2001.
- Seixas de Melo, J. Sérgio. "Photophysics of Hydroxycoumarins in W/O Microemulsions and Model Systems". Trabalho apresentado
em XV ECIS, 2001.
- Seixas de Melo, J. Sérgio. "Triplet State Dynamics on Isolated Conjugated Polymer Chains". Trabalho apresentado em 10th
International Conference on Unconventional Photoactive Systems (UPS), Les Diablerets, Switzerland, 4-8 September 2001.,
2001.
- Seixas de Melo, J. Sérgio. "Fotofísica de Ariltiofenos". Trabalho apresentado em 6º Encontro Nacional de Fotoquímica, P23-pp.
65, Monte da Caparica, 2001., 2001.
- Seixas de Melo, J. Sérgio. "Molecular-Level Machines. pH and Light driven movements on an anthracene-phenantroline macrocyclic
chemosensor". Trabalho apresentado em 6º Encontro Nacional de Fotoquímica, P18-pp. 55, Monte da Caparica, 2001., 2001.
- Seixas de Melo, J. Sérgio. "Switching from Intramolecular Energy Transfer to Intramolecular Electron Transfer by the Action
of pH". Trabalho apresentado em 6º Encontro Nacional de Fotoquímica, P11-pp. 41, Monte da Caparica, 2001., 2001.
- Seixas de Melo, J. Sérgio. "The Genesis and Exodus of Triplet States of Conjugated Polymers on Isolated Chains". Trabalho
apresentado em 6º Encontro Nacional de Fotoquímica, P7-pp. 33, Monte da Caparica, 2001., 2001.
- Seixas de Melo, J. Sérgio. "Comportamento Fotofísico de Hidroxicumarinas em Microemulsões de AOT/óleo/H2O". Trabalho apresentado
em 6º Encontro Nacional de Fotoquímica, P6-pp. 31, Monte da Caparica, 2001., 2001.
- Seixas de Melo, J. Sérgio. "Spectroscopic Characterization of ¿ and ¿-Pyrones and Their Substituted 4-Hydroxy and 4-Methoxy
Derivatives. An Integrated Infrared, Photophysical and Theoretical Study". Trabalho apresentado em EUCMOS XXV, 2000.
- Seixas de Melo, J. Sérgio. "Photophysical Studies of Mixed Furan, Pyrrole and Thiophene-Containing Oligomers with Three and
Five Rings". Trabalho apresentado em Photophysics and Photochemistry 2000, 2000.
- Seixas de Melo, J. Sérgio. "Photophysical Pathways of Conjugated Polymers on Isolated Single Chains". Trabalho apresentado
em Photophysics and Photochemistry 2000, pp. 127, Costa do Estoril, 19-21 October, 2000., 2000.
- Seixas de Melo, J. Sérgio. "New Aspects of Photoinduced Electron Transfer: Medium Effect and Very Large Driving Forces". Trabalho
apresentado em Photophysics and Photochemistry 2000, pp. 88, Costa do Estoril, 19-21 October, 2000., 2000.
- Seixas de Melo, J. Sérgio. "Co-operative Effects in Triplet-Triplet Energy Transfer to the Conjugated Polymer MEH-PPV". Trabalho
apresentado em XVII Encontro Nacional da Sociedade Portuguesa de Química, Lisboa, 2000., 2000.
- Seixas de Melo, J. Sérgio. "Comprehensive Investigations of the Photophysical Behaviour of Oligopolyfurans". Trabalho apresentado
em Livro de Resumos do 4º Encontro Nacional de Química-Física da SPQ, 1999.
- Seixas de Melo, J. Sérgio. "A Fotofísica de Hidroxicumarinas e seus Tioderivados em Solução". Trabalho apresentado em 4º
Encontro Nacional de Química-Física da SPQ, pp. 33, Coimbra, 1999., 1999.
- Seixas de Melo, J. Sérgio. "Estudo Fotofísico e Análise Conformacional de Derivados Naftalénicos de ¿-oligotiofenos". Trabalho
apresentado em 4º Encontro Nacional de Química-Física da SPQ, pp. 32, Coimbra, 1999., 1999.
- Seixas de Melo, J. Sérgio. "Oligothiophenes as Photosensitizers: a Correlation Between Photophysical and Photobiological Properties".
Trabalho apresentado em Proceedings of the International Conference on Photochemistry ICP, Londres, 1995., 1995.
- Seixas de Melo, J. Sérgio. "Evaluation of a Broad Variety of Coumarins, Chromones, Their Furohomologs and Thione Analogs as
Phototoxins Activated by UVA and Visible Light". Trabalho apresentado em Proceedings of the XVth IUPAC Symposium on Photochemistry,
Prague, 1994.
- Seixas de Melo, J. Sérgio. "Photophysical Properties of Coumarins: The Abnormal Behavior of 3Cl7Met4MC Related to the Existence
of Two Energetically Close-Lying Singlet Excited States". Trabalho apresentado em Proceedings of the XVth IUPAC Symposium
on Photochemistry, Prague, 1994.
- Seixas de Melo, J. Sérgio. "Photophysical Methods for the Determination of Partition Constants of Coumarin Pesticides Between
Water and Amphiphilic Aggregates". Trabalho apresentado em Proceedings of the Third Conference on Methods and Application
of Fluorescence Spectroscopy, Prague, 1993.
- Seixas de Melo, J. Sérgio. "Métodos Fotofísicos na Determinação de Constantes de Partição de Cumarinas em Agregados Anfifílicos".
Trabalho apresentado em Resumos do 9º Congresso Nacional de Bioquímica, Albufeira, 1993.
- Seixas de Melo, J. Sérgio. "Fotocinética Intermolecular de Hidroxicumarinas: Fotodesprotonação e Fototautomerização". Trabalho
apresentado em Resumos do 13º Encontro Anual da SPQ, 1992.
- Seixas de Melo, J. Sérgio. "Fototoxicidade de Tioderivados de Compostos Naturais". Trabalho apresentado em Resumos do 13º
Encontro Anual da SPQ, 1992.
- Seixas de Melo, J. Sérgio. "Photokinetics of 7-Hydroxycoumarins From Time-Resolved Fluorescence". Trabalho apresentado em
Proceedings from the 14th IUPAC Symposium on Photochemistry, Leuven (Bélgica), 1992.
- Seixas de Melo, J. Sérgio. "Photodeprotonation and Phototautomerism Kinetics of Hydroxycoumarins from Time-Resolved Fluorescence".
Trabalho apresentado em Proceedings of the Mediterranean Meeting on Photochemistry, 1991.
- Seixas de Melo, J. Sérgio. "Pesticidas da Família das Cumarinas em Meios Aquosos". Trabalho apresentado em Resumos do 13º
Encontro Anual da SPQ, 1991.
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