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Variants
Melo, J. Sérgio Seixas de
Melo, João Seixas de
Melo, João S. Seixas de
Seixas de Melo, J.
Melo, J. Seixas de
 
 
Email
sseixas@ci.uc.pt
 
 
Scopus Author ID
 
Researcher ID
 
Status
UC Researcher
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Publications
(All)

Refined By:
Date Issued:  [2000 TO 2009]
Fulltext:  Com Texto completo

Results 1-51 of 51 (Search time: 0.002 seconds).

Issue DateTitleAuthor(s)TypeAccess
110-Mar-2009Alternating Binaphthyl−Thiophene Copolymers: Synthesis, Spectroscopy, and Photophysics and Their Relevance to the Question of Energy Migration versus Conformational RelaxationPina, J. ; Melo, J. Seixas de ; Burrows, H. D. ; Maçanita, A. L. ; Galbrecht, F. ; Bünnagel, T. ; Scherf, U. articleopenAccess
27-May-2009Association of a Hydrophobically Modified Polyelectrolyte and a Block Copolymer Followed by Fluorescence TechniquesCosta, Telma ; Schillén, Karin ; Miguel, Maria da G. ; Lindman, Björn ; Melo, J. Seixas de articleopenAccess
317-Dec-2003Characterization of the Triplet State of Tris(8-hydroxyquinoline)aluminium(III) in Benzene SolutionBurrows, Hugh D. ; Fernandes, Mariana ; Melo, J. Seixas de ; Monkman, Andrew P. ; Navaratnam, Suppiah articleopenAccess
47-May-2009Complex Formation between a Fluorescently-Labeled Polyelectrolyte and a Triblock CopolymerCosta, Telma ; Melo, J. Seixas de ; Miguel, Maria da G. ; Lindman, Björn ; Schillén, Karin articleopenAccess
53-Aug-2000Comprehensive Investigation of the Photophysical Behavior of OligopolyfuransMelo, J. Seixas de ; Elisei, Fausto ; Gartner, Carlos ; Aloisi, Gian Gaetano ; Becker, Ralph S. articleopenAccess
62008A comprehensive study of the spectral and photophysical properties of arylthiophenesMelo, J. Seixas de ; Pina, J. ; Rodrigues, L. M. ; Becker, R. S. articleopenAccess
72008The effect of gamma-cyclodextrin addition in the self-assembly behavior of pyrene labeled poly(acrylic) acid with different chain sizesCosta, Telma ; Melo, J. S. Seixas de articleopenAccess
82004The effect of substitution and isomeric imperfection on the photophysical behaviour of p-phenylenevinylene trimersMelo, J. Seixas de ; Pina, J. ; Burrows, H. D. ; Brocke, S. ; Herzog, O. ; Thorn-Csányi, E. articleopenAccess
92006Electron Transfer in Supercritical Carbon Dioxide: Ultraexothermic Charge Recombination at the End of the ldquoInverted RegionrdquoSerpa, Carlos ; Gomes, Paulo J. S. ; Arnaut, Luis G. ; Formosinho, Sebastião J. ; Pina, João ; Melo, J. Seixas de articleopenAccess
102006Electronic spectral and photophysical properties of some p-phenylenevinylene oligomers in solution and thin filmsMelo, J. Seixas de ; Pina, J. ; Burrows, H. D. ; Di Paolo, R. E. ; Maçanita, A. L. articleopenAccess
1125-Dec-2003Energetics and Dynamics of Naphthalene Polyaminic Derivatives. Influence of Structural Design in the Balance Static vs Dynamic Excimer FormationMelo, J. Seixas de ; Pina, J. ; Pina, F. ; Lodeiro, C. ; Parola, A. J. ; Lima, J. C. ; Teresa Albelda, M. ; Paz Clares, M. ; Garcia-España, Enrique articleopenAccess
1231-Jan-2008Excited State Properties of Oligophenyl and Oligothienyl Swivel CruciformsPina, J. ; Melo, J. Seixas de ; Burrows, H. D. ; Galbrecht, F. ; Bilge, A. ; Kudla, C. J. ; Scherf, U. articleopenAccess
1317-Dec-2001Exploring the Photocatalytic Properties and the Long-Lifetime Chemosensor Ability of Cl2[Ru(Bpy)2L] (L = 2,5,8,11,14-Pentaaza[15])-2,2‘-bipyridilophane)Lodeiro, Carlos ; Pina, Fernando ; Parola, A. Jorge ; Bencini, Andrea ; Bianchi, Antonio ; Bazzicalupi, Carla ; Ciattini, Samuele ; Giorgi, Claudia ; Masotti, Andrea; Valtancoli, Barbara; Melo, J. Seixas de articleopenAccess
145-Oct-2004Fluorescence Enhancement of the Water- Soluble Poly{1,4-phenylene-[9,9-bis- (4-phenoxybutylsulfonate)]fluorene-2,7-diyl} Copolymer in n-Dodecylpentaoxyethylene Glycol Ether MicellesBurrows, H. D. ; Lobo, V. M. M. ; Pina, J. ; Ramos, M. L. ; Melo, J. Seixas de ; Valente, A. J. M. ; Tapia, M. J. ; Pradhan, S. ; Scherf, U. articleopenAccess
152007Fluorescence studies on the interaction between pyrene-labelled poly(acrylic acid) and cyclodextrinsMelo, J. Sérgio Seixas de ; Costa, Telma ; Oliveira, Noémia ; Schillén, Karin articleopenAccess
162002Heavy-atom effects on metalloporphyrins and polyhalogenated porphyrinsAzenha, Emília G. ; Serra, Arménio C. ; Pineiro, Marta ; Pereira, Mariette M. ; Seixas de Melo, J. ; Arnaut, Luis G. ; Formosinho, Sebastião J. ; Rocha Gonsalves, A. M. d'A. articleopenAccess
172004Hole formation and transfer in poly[9,9-di(ethylhexyl)fluorene] and an amine end-capped derivative in solutionBurrows, H. D. ; Seixas de Melo, J. ; Forster, M. ; Güntner, R. ; Scherf, U. ; Monkman, A. P. ; Navaratnam, S. articleopenAccess
182007Identification of 7,4prime-Dihydroxy-5-methoxyflavylium in ldquoDragon's Bloodrdquo: To Be or Not To Be an AnthocyaninMelo, Maria J. ; Sousa, Micaela ; Parola, A. Jorge ; Melo, J. Sérgio Seixas de ; Catarino, Fernando ; Marçalo, Joaquim ; Pina, Fernando articleopenAccess
1920-Oct-2005Interaction 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 MeasurementsTapia, M. J. ; Burrows, H. D. ; Valente, A. J. M. ; Pradhan, S. ; Scherf, U. ; Lobo, V. M. M. ; Pina, J. ; Melo, J. Seixas de articleopenAccess
202005Interactions between surfactants and {1,4-phenylene-[9,9-bis(4-phenoxy-butylsulfonate)]fluorene-2,7-diyl}Burrows, H. D. ; Lobo, V. M. M. ; Pina, J. ; Ramos, M. L. ; Melo, J. Seixas de ; Valente, A. J. M. ; Tapia, M. J. ; Pradhan, S. ; Scherf, U. articleopenAccess
213-May-2007Interplay of Electrostatic and Hydrophobic Effects with Binding of Cationic Gemini Surfactants and a Conjugated Polyanion: Experimental and Molecular Modeling StudiesBurrows, Hugh D. ; Tapia, María J. ; Silva, Cláudia L. ; Pais, Alberto A. C. C. ; Fonseca, Sofia M. ; Pina, João ; Melo, J. Seixas de ; Wang, Yujie ; Marques, Eduardo F. ; Knaapila, Matti; Monkman, Andrew P. ; Garamus, Vasil M.; Pradhan, Swapna ; Scherf, Ullrich articleopenAccess
228-Nov-2001Intramolecular Charge Transfer of p-(Dimethylamino)benzethyne: A Case of Nonfluorescent ICT StateChattopadhyay, Nitin ; Serpa, Carlos ; Pereira, Mariette M. ; Melo, J. Seixas de ; Arnaut, Luis G. ; Formosinho, Sebastião J. articleopenAccess
232006Intramolecular excimer formation and sensing behavior of new fluorimetric probes and their interactions with metal cations and barbituric acidsLodeiro, C. ; Lima, J. C. ; Parola, A. J. ; Melo, J. S. Seixas de ; Capelo, J. L. ; Covelo, B. ; Tamayo, A. ; Pedras, B. articleopenAccess
2410-Jul-2003Intramolecular Excimer Formation in a Tripodal Polyamine Receptor Containing Three Naphthalene FluorophoresAlbelda, M. Teresa ; García-España, Enrique ; Gil, Laura ; Lima, João C. ; Lodeiro, Carlos ; Melo, J. Seixas de ; Melo, M. João ; Parola, A. Jorge ; PiarticleopenAccess
255-Sep-2002Long Range Electron Transfer Quenching in Polyamine Chains Bearing a Terminal Naphthalene UnitPina, Fernando ; Lima, J. C. ; Lodeiro, Carlos ; Melo, J. Seixas de ; Díaz, Pilar ; Teresa Albelda, M. ; García-España, Enrique articleopenAccess
262005On the Low-Lying Excited States of sym-Triazine-Based HerbicidesOliva, Josep M. ; Azenha, M. Emilia D. G. ; Burrows, Hugh D. ; Coimbra, Rita ; Melo, J. Sérgio Seixas de ; L., Moisés Canle ; Fernández, M. Isabel ; Santaballa, J. Arturo ; Serrano-Andrés, Luis articleopenAccess
272004On the triplet state of poly(N-vinylcarbazole)Pina, J. ; Seixas de Melo, J. ; Burrows, H. D. ; Monkman, A. P. ; Navaratnam, S. articleopenAccess
2826-Aug-2004Photophysical and Spectroscopic Studies of Indigo Derivatives in Their Keto and Leuco FormsMelo, J. Seixas de ; Moura, A. P. ; Melo, M. J. articleopenAccess
296-Mar-2006Photophysical Studies of α,ω-Dicyano-oligothiophenes NC(C4H2S)nCN (n = 1−6)Pina, J. ; Burrows, H. D. ; Becker, R. S. ; Dias, F. B. ; Maçanita, A. L. ; Melo, J. Seixas de articleopenAccess
3028-Dec-2006Photophysics of an Indigo Derivative (Keto and Leuco Structures) with Singular PropertiesMelo, J. Seixas de ; Rondão, R. ; Burrows, H. D. ; Melo, M. J. ; Navaratnam, S. ; Edge, R. ; Voss, G. articleopenAccess
312008Picosecond Structural Relaxation of Abietic Acid Based Amine End Capped Para-Phenylenevinylene Trimers in SolutionPaolo, Roberto E. Di ; Gigante, Barbara ; Esteves, Maria A. ; Pires, Natércia ; Santos, Célia ; Lameiro, Maria H. ; Melo, João Seixas de ; Burrows, Hugh D. ; Maçanita, António L. articleopenAccess
322009A resonance Rayleigh scattering study of unlabeled and pyrene-labeled poly(acrylic acid) polymersCosta, Telma ; Seixas de Melo, J. articleopenAccess
333-Mar-2005Self-Assembly of a Hydrophobically Modified Naphthalene-Labeled Poly(acrylic acid) Polyelectrolyte in Water:Organic Solvent Mixtures Followed by Steady-State and Time-Resolved FluorescenceCosta, Telma ; Miguel, M. G. ; Lindman, Björn ; Schillén, Karin ; Lima, J. C. ; Melo, J. Seixas de articleopenAccess
342005Singlet and triplet energy transfer in a bichromophoric system with anthracene covalently linked through sulfonamide to a meso-tetraphenylporphyrinMelo, J. Seixas de ; Sobral, Abílio J. F. N. ; Gonsalves, A. M. d'A. Rocha ; Burrows, Hugh D. articleopenAccess
356-Sep-2007Spectral and Photophysical Characterization of Donor-π-Acceptor Arylthienyl- and Bithienyl-Benzothiazole Derivatives in Solution and Solid StatePina, João ; Melo, J. Sérgio Seixas de ; Burrows, Hugh D. ; Batista, Rosa M. F. ; Costa, Susana P. G. ; Raposo, M. Manuela M. articleopenAccess
3617-May-2007Spectral and Photophysical Studies of Poly[2,6-(1,5-dioctylnaphthalene)]thiophenesPina, J. ; Melo, J. Seixas de ; Burrows, H. D. ; Galbrecht, F. ; Nehls, B. S. ; Farrell, T. ; Scherf, U. articleopenAccess
372006Spectral and Photophysical Studies of Substituted Indigo Derivatives in Their Keto FormsMelo, J. Sérgio Seixas de ; Rondão, Raquel ; Burrows, Hugh D. ; Melo, Maria J. ; Navaratnam, Suppiah ; Edge, Ruth ; Voss, Gundula articleopenAccess
3810-Aug-2006Spectral and Photophysical Studies on Cruciform Oligothiophenes in Solution and the Solid StatePina, J. ; Melo, J. Seixas de ; Burrows, H. D. ; Bilge, A. ; Farrell, T. ; Forster, M. ; Scherf, U. articleopenAccess
39May-2001Spectroscopic characterization of α- and γ-pyrones and their substituted 4-hydroxy and 4-methoxy derivatives: an integrated infrared, photophysical and theoretical studyMelo, J. Seixas de ; Pina, G. Quinteiro, J. ; Breda, S. ; Fausto, R. articleopenAccess
4017-Oct-2005Spectroscopy and Coordination Chemistry of a New Bisnaphthalene−Bisphenanthroline Ligand Displaying a Sensing Ability for Metal CationsPina, João ; Melo, J. Seixas de ; Pina, Fernando ; Lodeiro, Carlos ; Lima, J. C. ; Parola, A. Jorge ; Soriano, Conxa ; Paz Clares, M. ; Albelda, M. Teresa articleopenAccess
412001Spectroscopy and photophysics of 4- and 7-hydroxycoumarins and their thione analogsSeixas de Melo, J. ; Fernandes, P. F. articleopenAccess
422008A Study in Mauve: Unveiling Perkin's Dye in Historic SamplesSousa, Micaela M. ; Melo, Maria J. ; Parola, A. Jorge ; Morris, Peter J. T. ; Rzepa, Henry S. ; Melo, J. Sérgio Seixas de articleopenAccess
432002Switching from intramolecular energy transfer to intramolecular electron transfer by the action of pH and Zn2+ co-ordinationAlbelda, M. Teresa ; Díaz, Pilar ; García-España, Enrique ; Lima, João C. ; Lodeiro, Carlos ; Seixas de Melo, J. ; Jorge Parola, A. ; Pina, Fernando articleopenAccess
442007Synthesis and photophysical properties of dansyl-based polyamine ligands and their Zn(II) complexesParola, A. Jorge ; Lima, João Carlos ; Pina, Fernando ; Pina, João ; Melo, João Seixas de ; Soriano, Conxa ; García-España, Enrique ; Aucejo, Ricardo ; Alarcón, Javier articleopenAccess
452008Synthesis, Structural and Photophysical Evaluations of Urea Based Fluorescent PET Sensors for AnionsSantos, Cidália M. G. Dos ; Glynn, Mark ; Mccabe, Tomas ; Melo, J. Sérgio Seixas de ; Burrows, Hugh D. ; Gunnlaugsson, Thorfinnur articleopenAccess
462006Temperature Dependence of Ultra-Exothermic Charge Recombinations13Serpa, Carlos ; Gomes, Paulo J. S. ; Arnaut, Luis G. ; Melo, J. Seixas de ; Formosinho, Sebastião J. articleopenAccess
472008Thiophene-phenylene/naphthalene-based step-ladder copolymersBünnagel, Torsten W. ; Nehls, Benjamin S. ; Galbrecht, Frank ; Schottler, Kristina ; Kudla, Christof J. ; Volk, Markus ; Pina, João ; Melo, João S. Seixas de ; Burrows, Hugh D. ; Scherf, Ullrich articleopenAccess
482002Triplet state dynamics on isolated conjugated polymer chainsBurrows, H. D. ; Seixas de Melo, J. ; Serpa, C. ; Arnaut, L. G. ; Miguel, M. da G. ; Monkman, A. P. ; Hamblett, I. ; Navaratnam, S. articleopenAccess
492007The Triplet State of Indigo13Melo, J. Sérgio Seixas de ; Burrows, Hugh D. ; Serpa, Carlos ; Arnaut, Luis G. articleopenAccess
5027-Apr-2006Triplet-State and Singlet Oxygen Formation in Fluorene-Based Alternating CopolymersFonseca, S. M. ; Pina, J. ; Arnaut, L. G. ; Melo, J. Seixas de ; Burrows, H. D. ; Chattopadhyay, N. ; Alcácer, L. ; Charas, A. ; Morgado, J. articleopenAccess
512008The use of microspectrofluorimetry for the characterization of lake pigmentsClaro, Ana ; Melo, Maria J. ; Schäfer, Stephan ; Melo, J. Sérgio Seixas de ; Pina, Fernando ; Berg, Klaas Jan van den ; Burnstock, Aviva articleopenAccess