Melo, J. Sérgio Seixas de
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Name
Melo, J. Sérgio Seixas de
Variants
Melo, J. Sérgio Seixas de
Melo, João Seixas de
Melo, João S. Seixas de
Seixas de Melo, J.
Melo, J. Seixas de
Melo, João Seixas de
Melo, João S. Seixas de
Seixas de Melo, J.
Melo, J. Seixas de
Unidade de I&D
Email
sseixas@ci.uc.pt
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Researcher ID
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UC Researcher
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Results 1-50 of 50 (Search time: 0.056 seconds).
| Issue Date | Title | Author(s) | Type | Access | |
|---|---|---|---|---|---|
| 1 | 10-Mar-2009 | Alternating Binaphthyl−Thiophene Copolymers: Synthesis, Spectroscopy, and Photophysics and Their Relevance to the Question of Energy Migration versus Conformational Relaxation | Pina, J. ; Melo, J. Seixas de ; Burrows, H. D. ; Maçanita, A. L. ; Galbrecht, F. ; Bünnagel, T. ; Scherf, U. | article | openAccess |
| 2 | 7-May-2009 | Association of a Hydrophobically Modified Polyelectrolyte and a Block Copolymer Followed by Fluorescence Techniques | Costa, Telma ; Schillén, Karin ; Miguel, Maria da G. ; Lindman, Björn ; Melo, J. Seixas de | article | openAccess |
| 3 | 17-Dec-2003 | Characterization of the Triplet State of Tris(8-hydroxyquinoline)aluminium(III) in Benzene Solution | Burrows, Hugh D. ; Fernandes, Mariana ; Melo, J. Seixas de ; Monkman, Andrew P. ; Navaratnam, Suppiah | article | openAccess |
| 4 | 7-May-2009 | Complex Formation between a Fluorescently-Labeled Polyelectrolyte and a Triblock Copolymer | Costa, Telma ; Melo, J. Seixas de ; Miguel, Maria da G. ; Lindman, Björn ; Schillén, Karin | article | openAccess |
| 5 | 2008 | A comprehensive study of the spectral and photophysical properties of arylthiophenes | Melo, J. Seixas de ; Pina, J. ; Rodrigues, L. M. ; Becker, R. S. | article | openAccess |
| 6 | 2008 | The effect of gamma-cyclodextrin addition in the self-assembly behavior of pyrene labeled poly(acrylic) acid with different chain sizes | Costa, Telma ; Melo, J. S. Seixas de | article | openAccess |
| 7 | 2004 | The effect of substitution and isomeric imperfection on the photophysical behaviour of p-phenylenevinylene trimers | Melo, J. Seixas de ; Pina, J. ; Burrows, H. D. ; Brocke, S. ; Herzog, O. ; Thorn-Csányi, E. | article | openAccess |
| 8 | 2006 | Electron Transfer in Supercritical Carbon Dioxide: Ultraexothermic Charge Recombination at the End of the ldquoInverted Regionrdquo | Serpa, Carlos ; Gomes, Paulo J. S. ; Arnaut, Luis G. ; Formosinho, Sebastião J. ; Pina, João ; Melo, J. Seixas de | article | openAccess |
| 9 | 2006 | Electronic spectral and photophysical properties of some p-phenylenevinylene oligomers in solution and thin films | Melo, J. Seixas de ; Pina, J. ; Burrows, H. D. ; Di Paolo, R. E. ; Maçanita, A. L. | article | openAccess |
| 10 | 25-Dec-2003 | Energetics and Dynamics of Naphthalene Polyaminic Derivatives. Influence of Structural Design in the Balance Static vs Dynamic Excimer Formation | Melo, J. Seixas de ; Pina, J. ; Pina, F. ; Lodeiro, C. ; Parola, A. J. ; Lima, J. C. ; Teresa Albelda, M. ; Paz Clares, M. ; Garcia-España, Enrique | article | openAccess |
| 11 | 31-Jan-2008 | Excited State Properties of Oligophenyl and Oligothienyl Swivel Cruciforms | Pina, J. ; Melo, J. Seixas de ; Burrows, H. D. ; Galbrecht, F. ; Bilge, A. ; Kudla, C. J. ; Scherf, U. | article | openAccess |
| 12 | 17-Dec-2001 | Exploring 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 | article | openAccess |
| 13 | 5-Oct-2004 | 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 | 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. | article | openAccess |
| 14 | 2007 | Fluorescence studies on the interaction between pyrene-labelled poly(acrylic acid) and cyclodextrins | Melo, J. Sérgio Seixas de ; Costa, Telma ; Oliveira, Noémia ; Schillén, Karin | article | openAccess |
| 15 | 2002 | Heavy-atom effects on metalloporphyrins and polyhalogenated porphyrins | Azenha, 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. | article | openAccess |
| 16 | 2004 | Hole formation and transfer in poly[9,9-di(ethylhexyl)fluorene] and an amine end-capped derivative in solution | Burrows, H. D. ; Seixas de Melo, J. ; Forster, M. ; Güntner, R. ; Scherf, U. ; Monkman, A. P. ; Navaratnam, S. | article | openAccess |
| 17 | 2007 | Identification of 7,4prime-Dihydroxy-5-methoxyflavylium in ldquoDragon's Bloodrdquo: To Be or Not To Be an Anthocyanin | Melo, Maria J. ; Sousa, Micaela ; Parola, A. Jorge ; Melo, J. Sérgio Seixas de ; Catarino, Fernando ; Marçalo, Joaquim ; Pina, Fernando | article | openAccess |
| 18 | 20-Oct-2005 | 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 | Tapia, M. J. ; Burrows, H. D. ; Valente, A. J. M. ; Pradhan, S. ; Scherf, U. ; Lobo, V. M. M. ; Pina, J. ; Melo, J. Seixas de | article | openAccess |
| 19 | 2005 | Interactions 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. | article | openAccess |
| 20 | 3-May-2007 | Interplay of Electrostatic and Hydrophobic Effects with Binding of Cationic Gemini Surfactants and a Conjugated Polyanion: Experimental and Molecular Modeling Studies | Burrows, 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 | article | openAccess |
| 21 | 8-Nov-2001 | Intramolecular Charge Transfer of p-(Dimethylamino)benzethyne: A Case of Nonfluorescent ICT State | Chattopadhyay, Nitin ; Serpa, Carlos ; Pereira, Mariette M. ; Melo, J. Seixas de ; Arnaut, Luis G. ; Formosinho, Sebastião J. | article | openAccess |
| 22 | 2006 | Intramolecular excimer formation and sensing behavior of new fluorimetric probes and their interactions with metal cations and barbituric acids | Lodeiro, C. ; Lima, J. C. ; Parola, A. J. ; Melo, J. S. Seixas de ; Capelo, J. L. ; Covelo, B. ; Tamayo, A. ; Pedras, B. | article | openAccess |
| 23 | 10-Jul-2003 | Intramolecular Excimer Formation in a Tripodal Polyamine Receptor Containing Three Naphthalene Fluorophores | Albelda, M. Teresa ; García-España, Enrique ; Gil, Laura ; Lima, João C. ; Lodeiro, Carlos ; Melo, J. Seixas de ; Melo, M. João ; Parola, A. Jorge ; Pi | article | openAccess |
| 24 | 5-Sep-2002 | Long Range Electron Transfer Quenching in Polyamine Chains Bearing a Terminal Naphthalene Unit | Pina, Fernando ; Lima, J. C. ; Lodeiro, Carlos ; Melo, J. Seixas de ; Díaz, Pilar ; Teresa Albelda, M. ; García-España, Enrique | article | openAccess |
| 25 | 2005 | On the Low-Lying Excited States of sym-Triazine-Based Herbicides | Oliva, 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 | article | openAccess |
| 26 | 2004 | On the triplet state of poly(N-vinylcarbazole) | Pina, J. ; Seixas de Melo, J. ; Burrows, H. D. ; Monkman, A. P. ; Navaratnam, S. | article | openAccess |
| 27 | 26-Aug-2004 | Photophysical and Spectroscopic Studies of Indigo Derivatives in Their Keto and Leuco Forms | Melo, J. Seixas de ; Moura, A. P. ; Melo, M. J. | article | openAccess |
| 28 | 6-Mar-2006 | Photophysical 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 | article | openAccess |
| 29 | 28-Dec-2006 | Photophysics of an Indigo Derivative (Keto and Leuco Structures) with Singular Properties | Melo, J. Seixas de ; Rondão, R. ; Burrows, H. D. ; Melo, M. J. ; Navaratnam, S. ; Edge, R. ; Voss, G. | article | openAccess |
| 30 | 2008 | Picosecond Structural Relaxation of Abietic Acid Based Amine End Capped Para-Phenylenevinylene Trimers in Solution | Paolo, 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. | article | openAccess |
| 31 | 2009 | A resonance Rayleigh scattering study of unlabeled and pyrene-labeled poly(acrylic acid) polymers | Costa, Telma ; Seixas de Melo, J. | article | openAccess |
| 32 | 3-Mar-2005 | 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 | Costa, Telma ; Miguel, M. G. ; Lindman, Björn ; Schillén, Karin ; Lima, J. C. ; Melo, J. Seixas de | article | openAccess |
| 33 | 2005 | Singlet and triplet energy transfer in a bichromophoric system with anthracene covalently linked through sulfonamide to a meso-tetraphenylporphyrin | Melo, J. Seixas de ; Sobral, Abílio J. F. N. ; Gonsalves, A. M. d'A. Rocha ; Burrows, Hugh D. | article | openAccess |
| 34 | 6-Sep-2007 | Spectral and Photophysical Characterization of Donor-π-Acceptor Arylthienyl- and Bithienyl-Benzothiazole Derivatives in Solution and Solid State | Pina, João ; Melo, J. Sérgio Seixas de ; Burrows, Hugh D. ; Batista, Rosa M. F. ; Costa, Susana P. G. ; Raposo, M. Manuela M. | article | openAccess |
| 35 | 17-May-2007 | Spectral and Photophysical Studies of Poly[2,6-(1,5-dioctylnaphthalene)]thiophenes | Pina, J. ; Melo, J. Seixas de ; Burrows, H. D. ; Galbrecht, F. ; Nehls, B. S. ; Farrell, T. ; Scherf, U. | article | openAccess |
| 36 | 2006 | Spectral and Photophysical Studies of Substituted Indigo Derivatives in Their Keto Forms | Melo, J. Sérgio Seixas de ; Rondão, Raquel ; Burrows, Hugh D. ; Melo, Maria J. ; Navaratnam, Suppiah ; Edge, Ruth ; Voss, Gundula | article | openAccess |
| 37 | 10-Aug-2006 | Spectral and Photophysical Studies on Cruciform Oligothiophenes in Solution and the Solid State | Pina, J. ; Melo, J. Seixas de ; Burrows, H. D. ; Bilge, A. ; Farrell, T. ; Forster, M. ; Scherf, U. | article | openAccess |
| 38 | May-2001 | Spectroscopic characterization of α- and γ-pyrones and their substituted 4-hydroxy and 4-methoxy derivatives: an integrated infrared, photophysical and theoretical study | Melo, J. Seixas de ; Pina, G. Quinteiro, J. ; Breda, S. ; Fausto, R. | article | openAccess |
| 39 | 17-Oct-2005 | Spectroscopy and Coordination Chemistry of a New Bisnaphthalene−Bisphenanthroline Ligand Displaying a Sensing Ability for Metal Cations | Pina, João ; Melo, J. Seixas de ; Pina, Fernando ; Lodeiro, Carlos ; Lima, J. C. ; Parola, A. Jorge ; Soriano, Conxa ; Paz Clares, M. ; Albelda, M. Teresa | article | openAccess |
| 40 | 2001 | Spectroscopy and photophysics of 4- and 7-hydroxycoumarins and their thione analogs | Seixas de Melo, J. ; Fernandes, P. F. | article | openAccess |
| 41 | 2008 | A Study in Mauve: Unveiling Perkin's Dye in Historic Samples | Sousa, Micaela M. ; Melo, Maria J. ; Parola, A. Jorge ; Morris, Peter J. T. ; Rzepa, Henry S. ; Melo, J. Sérgio Seixas de | article | openAccess |
| 42 | 2002 | Switching from intramolecular energy transfer to intramolecular electron transfer by the action of pH and Zn2+ co-ordination | Albelda, M. Teresa ; Díaz, Pilar ; García-España, Enrique ; Lima, João C. ; Lodeiro, Carlos ; Seixas de Melo, J. ; Jorge Parola, A. ; Pina, Fernando | article | openAccess |
| 43 | 2007 | Synthesis and photophysical properties of dansyl-based polyamine ligands and their Zn(II) complexes | Parola, A. Jorge ; Lima, João Carlos ; Pina, Fernando ; Pina, João ; Melo, João Seixas de ; Soriano, Conxa ; García-España, Enrique ; Aucejo, Ricardo ; Alarcón, Javier | article | openAccess |
| 44 | 2008 | Synthesis, Structural and Photophysical Evaluations of Urea Based Fluorescent PET Sensors for Anions | Santos, Cidália M. G. Dos ; Glynn, Mark ; Mccabe, Tomas ; Melo, J. Sérgio Seixas de ; Burrows, Hugh D. ; Gunnlaugsson, Thorfinnur | article | openAccess |
| 45 | 2006 | Temperature Dependence of Ultra-Exothermic Charge Recombinations13 | Serpa, Carlos ; Gomes, Paulo J. S. ; Arnaut, Luis G. ; Melo, J. Seixas de ; Formosinho, Sebastião J. | article | openAccess |
| 46 | 2008 | Thiophene-phenylene/naphthalene-based step-ladder copolymers | Bünnagel, 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 | article | openAccess |
| 47 | 2002 | Triplet state dynamics on isolated conjugated polymer chains | Burrows, H. D. ; Seixas de Melo, J. ; Serpa, C. ; Arnaut, L. G. ; Miguel, M. da G. ; Monkman, A. P. ; Hamblett, I. ; Navaratnam, S. | article | openAccess |
| 48 | 2007 | The Triplet State of Indigo13 | Melo, J. Sérgio Seixas de ; Burrows, Hugh D. ; Serpa, Carlos ; Arnaut, Luis G. | article | openAccess |
| 49 | 27-Apr-2006 | Triplet-State and Singlet Oxygen Formation in Fluorene-Based Alternating Copolymers | Fonseca, S. M. ; Pina, J. ; Arnaut, L. G. ; Melo, J. Seixas de ; Burrows, H. D. ; Chattopadhyay, N. ; Alcácer, L. ; Charas, A. ; Morgado, J. | article | openAccess |
| 50 | 2008 | The use of microspectrofluorimetry for the characterization of lake pigments | Claro, Ana ; Melo, Maria J. ; Schäfer, Stephan ; Melo, J. Sérgio Seixas de ; Pina, Fernando ; Berg, Klaas Jan van den ; Burnstock, Aviva | article | openAccess |