Publications (2009-2019)

2009

[87] Telma Costa and J. Seixas de Melo "A resonance Rayleigh scattering study of unlabeled and pyrene labeled poly(acrylic acid) polymers", J. Mol. Struct. 920, 142-148 (2009). pdf

 

[88] Telma Costa, J. Seixas de Melo, Hugh Burrows "Fluorescence behaviour of a pyrene-end capped Poly(ethylene oxide) in organic solvents and in dioxane-water mixtures", J. Phys. Chem. B 113 (3), 618–626 (2009). pdf

 

[89] B. Gigante, M. A. Esteves, N. Pires, M.L. Davies, P. Douglas, S. M. Fonseca, H. D. Burrows, R. Castro, J. Pina and J. Seixas de Melo, "Synthesis, spectroscopy, photophysics and thermal behaviour of stilbene-based triarylamines with dehydroabietic acid methyl ester moieties",  New J. Chem. 33, 877-885 (2009). pdf

 

[90] J. Pina, J. Seixas de Melo, H. Burrows, A. L. Maçanita, F. Galbrecht, T. Bünnagel, U. Scherf,  "Alternating Binaphthyl-Thiophene Copolymers: Synthesis, Spectroscopy and Photophysics and their Relevance to the Question of Energy Migration versus Conformational Relaxation", Macromolecules 42 (5), 1710–1719 (2009). pdf

 

[91] T. Costa, K. Schillén, M. G. Miguel, B. Lindman, J. Seixas de Melo "Association of a hydrophobically modified polyelectrolyte and a block copolymer followed by fluorescence techniques" J. Phys. Chem. B 113 (18), 6194–6204 (2009). pdf

 

[92] T. Costa, J. Seixas de Melo, M. da G. Miguel, B. Lindman, K. Schillén "Complex Formation between a Fluorescently-Labeled Polyelectrolyte and a Triblock Copolymer" J. Phys. Chem. B 113 (18), 6205–6214 (2009).pdf

 

[93] M. Moreno Oliva, J. Casado, J. T. López-Navarrete,G . Hennrich, S. van Cleuvenbergen, I. Asselberghs, K. Clays, M. C. Ruiz Delgado, J.-L. Brédas, J. S. Seixas de Melo, L. De Cola "Synthesis, Spectroscopy, Nonlinear Optics and Theoretical Investigations of Thienylethynyl Octopoles with Tunable Core" Chem. Eur. J. 15, 8223-8234 (2009).pdf

 

[94] João Pina and J. Sérgio Seixas de Melo, "A Comprehensive Investigation of the Electronic Spectral and Photophysical properties of Conjugated Naphthalene-Thiophene Oligomers", Phys. Chem. Chem. Phys. 11, 8706-8713 (2009).pdf

 

[95] João Pina, J. Seixas de Melo, Hugh Burrows, Torsten Bunnagel, Daniel Dolfen, Christof Kudla, Ulrich Scherf, "Photophysical and Spectroscopic Investigations on (oligo)Thiophene-Arylene Step-ladder Copolymers – The Interplay of Conformational Relaxation and on-Chain Energy Transfer" J. Phys. Chem. B 113 (49), 15928–15936 (2009).pdf

 

 

[96] Ana Claro, Maria J. Melo, J. S. Seixas de Melo, Klaas Jan van den Berg, Aviva Burnstock, Meredith Montague, Richard Newman, "Identification of red colorants in van Gogh paintings and ancient Andean textiles by microspectrofluorimetry", J. Cult. Herit. 11, 27–34 (2010).pdf

 

 

[97] R. Rondão, J. Seixas de Melo, V. Bonifácio, M. J. Melo, "Dehydroindigo, the forgotten indigo and its contribution to the Color of Maya Blu e"  J. Phys. Chem. A. 114 (4), 1699–1708 (2010). pdf 

 

[98] H. D. Burrows, A. Gutacker, N. Koenen, U. Scherf, S. Adamczyk, J. Pina, S. M Fonseca, A. J Valente, R. C. Evans, J. Seixas de Melo "Cationic fluorene-thiophene diblock copolymers: Aggregation behaviour in methanol / water and its relation to thin film structures Polymer" Polymer 51, 1898-1903 (2010).pdf

 

[99] R. Rondão, J. Seixas de Melo, G. Voss, "Characterization of the Excited States of Substituted Indigo Derivatives in their Reduced Forms", ChemPhysChem 11, 1903 (2010).pdf

 

[100] J. Pina, J. Seixas de Melo, R. Batista, S. Costa, M.M. Raposo "Synthesis and Characterization of the Ground and Excited States of Tripodal-Like Oligothienyl-Imidazoles" J. Phys. Chem. B.  114, 4964–4972 (2010). pdf

 

[101] María Moreno, Juan Casado, Juan López-Navarrete, Serguei Patchkovskii, Theodore Goodson, Michael Harpham, J. Seixas de Melo, Elizabeth Amir, Shlomo Rozen "Do [all]-S,S´-Dioxide Oligothiophenes Show Electronic and Optical Properties of Oligoenes and/or of Oligothiophenes?" J. Am. Chem. Soc. 132, 6231–6242 (2010). pdf

 

[102] João Pina, J. Sérgio Seixas de Melo,  Rosa M. F. Batista, Susana P.G. Costa, M. Manuela M. Raposo “The Influence of the Relative Position of the Thiophene and Pyrrole Rings in Donor-Acceptor Thienylpyrrolyl Benzothiazole Derivatives. A Photophysical and Theoretical investigation” Phys. Chem. Chem. Phys. 12, 9719 (2010). pdf

 

[103] T. Costa, J. Seixas de Melo, C. Castro, S. Gago, M. Pillinger, I. S. Goncalves,"Picosecond Dynamics of Dimer formation in a Pyrene labeled Polymer"  J. Phys. Chem. B   114 (39), 12439 (2010). pdf

 

[104] Yaroslav Prostota, Paulo Jorge Coelho, João Pina, João Seixas de Melo “Fast photochromic sterically hindered benzo[1,3]oxazines” J. Photochem. Photobiol. A: Chem. 216, 59–65 (2010). pdf

 

2011

[105] Tapia M. J., Monteserin M., Burrows H. D., Seixas de Melo J. S., Pina J, Castro R. A. E., Garcia S., Estelrich J. “β-Phase Formation of Poly(9,9-dioctylfluorene) Induced by Liposome Phospholipid Bilayers” J. Phys. Chem. B 115(19), 5794-5800 (2011). pdf

 

[106] Y.Prostotaa, P. J. Coelho, J. Pina, J. Seixas de Melo "Photochromic and photophysical properties of new benzo- and naphtho[1,3]oxazine switches" Photochem. Photobiol. Sci. 10,1346-1354. (2011). pdf

 

[107] C. M. Sousa, J. Pina, J. Seixas de Melo, J. Berthet, S.Delbaere and Paulo J. Coelho "Preventing the formation of the long-lived coloured transoid-trans photoisomer in photochromic benzopyrans" Org. Lett. 13, 4040-4043 (2011).pdf

 

[108] J. Sergio Seixas de Melo, Catarina Cabral, J. C. Lima and A. L. Maçanita "Characterization of the Singlet and Triplet Excited States of 3-Chloro-4-Methylumbelliferone" J. Phys. Chem. A  115(30), 8392-8398 (2011). pdf

 

[109] S. R. Gonzalez, J. Orduna, R. Alicante, B. Villacampa, K. A. McGee, J. Pina, J. Seixas de Melo, K. M. Schwaderer, J. C. Johnson, B. A. Blackorbay, J. J. Hansmeier, V. F. Bolton, T. J. Helland, B. A. Edlund, T. M. Pappenfus, J. T. Lopez Navarrete, and J. Casado, "Understanding Optoelectronic Properties of Cyano-Terminated Oligothiophenes in the Context of Intramolecular Charge Transfer" J. Phys. Chem. B 115, 10573–10585 (2011). pdf

 

2012

[110] Raquel J. Rondão, J. Sérgio Seixas de Melo, Fábio A. Schaberle and Gundula Voss, “Excited State Characterization of a Polymeric Indigo” Phys. Chem. Chem. Phys. 14, 1778–1783 (2012).pdf

 

[111] C. M. Sousa, J. Pina, J. Seixas de Melo, J. Berthet, S. Delbaere, P. J. Coelho, “Synthesis of a New Photochromic Fused 2H-Chromene Capable of Generating a Single Coloured Species” Eur. J. Org. Chem. 9, 1768-1773 (2012). pdf

 

[112] Ana T. Marques, Sara M. A. Pinto, Carlos J. P. Monteiro, J. Sérgio Seixas de Melo, Hugh D. Burrows, Ullrich Scherf, Mário J. F. Calvete and Mariette M.Pereira, “Energy Transfer from Fluorene Based Conjugated Polyelectrolytes to On-chain and Self-Assembled PorphyrinUnits” Journal of Polymer Science Part A: Polymer Chemistry  50, 1408–1417 (2012).pdf

 

[113] Bruno Ferreira, Palmira F. Silva, J. Sérgio Seixas de Melo, João Pina, and António Maçanita “Excited-State Dynamics and Self-Organization of Poly(3-Hexylthiophene) (P3HT) in Solution and Thin Films”  J. Phys. Chem. B  116(8),  2347–2355 (2012).pdf

 

[114] Raquel Rondão, J. Sérgio Seixas de Melo, Maria João Melo and A. Jorge Parola "Excited State Isomerization of Leuco Indigo" J. Phys. Chem. A 116 (11), 2826–2832 (2012). pdf

 

[115] Javier Fernández-Lodeiro , Cristina Núñez , Olalla Nieto Faza, Jose Luis Capelo, Carlos Lodeiro, J. Sérgio Seixas de Melo, Carlos Silva López “Novel emissive podands based on 8-OH-quinoline: Synthesis, fluorescence materials, DFT and complexation studies” Inorg. Chim. Acta381, 218–228 (2012).pdf

 

[116]  A. T. Marques, AT, H. D. Burrows, HD J. S. Seixas de Melo, A. J. M. Valente, L. L. G. Justino, U. Scherf,  E. Fron, S. Rocha, J. Hofkens, E. W. Snedden,  A. P. Monkman, “Spectroscopic Properties, Excitation, and Electron Transfer in an Anionic Water-Soluble Poly(fluorene-alt-phenylene)-perylenediimide Copolymer” J. Phys. Chem. B 116 (25), 7548-7559 (2012). pdf

 

2013 

[117] Javier Fernández-Lodeiro, Cristina Núñez, Catherine S. de Castro, Emilia Bértolo, J. Sérgio Seixas de Melo, José Luis Capelo, and Carlos Lodeiro, “Steady-State and Time-Resolved Investigations on Pyrene-Based Chemosensors” Inorg. Chem. 52, 121−129 (2013). pdf

 

[118] Raquel Rondão and J. Sérgio Seixas de Melo “Thio-Mayan-like Compounds: Excited State Characterization of Indigo Sulfur Derivatives in Solution and Incorporated in Palygorskite and Sepiolite Clays” J. Phys. Chem. C 117, 603−614 (2013).pdf

 

[119] João Pina, J. Sérgio Seixas de Melo, Jan-Moritz Koenen, Stefan Jung, and Ullrich Scherf, “Excited State Characterization and Energy Transfer in Hyperbranched Polytruxenes and Polytruxene-block-Polythiophene Multiblock Copolymers” J. Phys. Chem. C117 (8), 3718–3728 (2013).pdf

 

[120] João Pina, J. Sérgio Seixas de Melo, Niels Koenen and Ulli Scherf “Chain Length Dependent Excited-State Decay Processes of Diluted PF2/6 Solutions” J. Phys. Chem. B 117 (24), 7370–7380 (2013).pdf

 

[121] Juan Casado, Víctor Hernández, Juan T. López Navarrete, Manuel Algarra, Demetrio A. da Silva Filho, Shigehiro Yamaguchi, Raquel Rondão, J. Sérgio Seixas de Melo, Víctor Navarro-Fuster, Pedro G. Boj, María A. Díaz-García, “Amplified Spontaneous Emission in Pentathienoacene Dioxides by Direct Optical Pump and by Energy Transfer: Correlation with Photophysical Parameters” Advanced Optical Materials,  1(8), 588–599 (2013).pdf

 

[122] María José Tapia, María Monteserín, João Pina, J. Sérgio Seixas de Melo, and Hugh Douglas Burrowsbeta-Phase Formation i n Poly(9,9-dioctylfluorene) Promoted by Natural Lecithin Liposomes” Journal of Colloid Science and Biotechnology  2 (3), 243-248 (2013).pdf

 

[123] María J. Tapia, María Monteserín, Hugh D. Burrows, João S. Seixas de Melo, Joan Estelrich “Effect of the Phospholipid Chain-length and Head group on Beta Phase Formation of Poly(9,9-dioctylfluorene) Enclosed in Liposomes” Photochem. Photobiol. 89 (6), 1471-1478 (2013).pdf

 

[124] João Pina, J. Seixas de Melo, D. Breusov, Ullrich Scherf “Donor-Acceptor-Donor Thienyl/Bithienyl-Benzothiadiazole/Quinoxaline Model Oligomers: Experimental and Theoretical studies” Phys. Chem. Chem. Phys. 15, 15204 -15213 (2013). pdf

 

[125] Verónica García, Anxela Aldrey, Catherine S. De Castro, Rufina Bastida, Alejandro Macías, Carlos Lodeiro, J. Sérgio Seixas de Melo, Cristina Núñez, “The first substituted macrocyclic ligand Py2N4S2 containing four naphthylmethylene pendant-armed groups: synthesis and photophysical properties” Inorg. Chim. Comm. 36, 22-26 (2013).pdf

 

[126] Inês Leitão, J Seixas de Melo, "Maya Blue, an Ancient Guest-Host Pigment: Synthesis and Models" J. Chem. Ed. 90 (11), 1493–1497 (2013).pdf

 

[127] Raquel Rondão, J. Seixas de Melo, João Pina, M. J. Melo, Tatiana Vitorino; A. Jorge Parola, "Brazilwood Reds: The (Photo)chemistry  of Brazilin and Brazilein" J. Phys. Chem. A. 117, 10650−10660 (2013).pdf

 

[128] J. Pina, J. S. Seixas de Melo, R. Batista, S. Costa, M. M. Raposo, "Triphenylamine-Benzimidazole Derivatives: Synthesis, Excited-State Characterization and DFT studies" J. Org. Chem. 78 (22), 11389–11395 (2013).pdf

 

[129] Ksenija Kogej, Sofia M. Fonseca, José Rovisco, M. Emília Azenha, M. Luísa Ramos, J. Sérgio Seixas de Melo and Hugh D. Burrows “Understanding the Interaction between Trivalent Lanthanide Ions and Stereoregular Polymethacrylates through Luminescence, Binding Isotherms, NMR, and Interaction with Cetylpyridinium Chloride” Langmuir  29, 14429−14437 (2013).pdf

 

[130] Hugh D. Burrows, J. Sergio Seixas de Melo, Artur J. M. Valente, “XIVth IUPAC Symposium on Photochemistry, Coimbra, Portugal, 15-20 July 2012, Preface” Pure and Applied Chemistry 85 (7), IV (2013) .

 

2014

[131] Telma Costa, Ana T. Marques, J. Sergio Seixas de Melo, Alexander W. Thomas, Logan E. Garner, Ullrich Scherf, Guillermo C. Bazan, and Hugh D. Burrows "Self-Assembly of Poly {1,4-phenylene-[9,9-bis(4-phenoxy-butylsulfonate)]fluorene-2,7-diyl} with Oppositely Charged Phenylenevinylene Oligoelectrolytes"  J. Phys. Chem. B 118 (2), 613–623 (2014). pdf

 

[132] M. Conceição Oliveira, Ana Dias, Peter Douglas, J. Sergio Seixas de Melo "Perkin's and Caro's Mauveine in Queen Victoria's Lilac Postage Stamps: a Chemical Analysis" Chem. Eur. J. 20( 7), 1808–1812 (2014). pdf 

This work was highlighted in C&N: the Queen's Purple

and

Chemistry Views: Mauveine- a Chemical Icon

 

[133] Daniela Pinheiro, Catherine S. de Castro, J. Sérgio Seixas de Melo,  Elisabete Oliveira, Cristina Nuñez, Adrián Fernández-Lodeiro, José Luis Capelo, Carlos Lodeiro, "From yellow to pink using a fluorimetric and colorimetric pyrene derivative and mercury (II) ions"  Dyes and Pigments 110, 152–158 (2014). pdf

 

[134] Issam Oueslati, José A Paixão, Vitor Hugo Rodrigues, Aleksander Shkurenko, Barbara Lesniewska, Kinga Suwinska, M Ermelinda S Eusébio, Teresa Roseiro Maria, J Sérgio Seixas de Melo "Modulating the Self-Assembly of Calix[4]azacrowns to Design Materials with Improved Emission and Stimuli-Responsive Behavior"  J. Phys. Chem. C 118 (24), 13118–13125 (2014). pdf

 

[135] Catherine S. de Castro, J. Sérgio Seixas de Melo, Adrián Fernández-Lodeiro, Cristina Núñez, Carlos Lodeiro "Spectroscopic and photophysical studies of a naphthalene-based emissive probe for metal cations"   Inorg. Chem. Comm. 47,  27–32 (2014). pdf

 

[136] João Pina, Daniela Pinheiro, Bruno Nascimento, Marta Piñeiro and J. Sérgio Seixas de Melo "The effect of polyaromatic hydrocarbons on the spectral and photophysical properties of diaryl-pyrrole derivatives: an experimental and theoretical study"  PCCP  16, 18319- 18326 (2014). pdf

 

[137]  Issam Oueslati, José António Paixão, Aleksander Shkurenko, Kinga Suwinska, J. Sergio Seixas de Melo and Luis A. E. Batista de Carvalho "Highly ordered luminescent calix[4]azacrown films showing an emission response selective to volatile tetrahydrofuran"   J. Mater. Chem.C 2, 90129020 (2014). pdf

 

2015

[138] J. S. Seixas de Melo and A. L. Maçanita "Unveiling the Eigen-Weller Ion Pair from the Excited State Proton Transfer Kinetics of 3-Chloro-4- Methyl-7-Hydroxycoumarin." J. Phys. Chem. B, 119 (6), 2604–2610 (2015). pdf

 

[139] M. J. Tapia,   M. Monteserín, H. D. Burrows, J. A. S. Almeida,  A.A.C.C. Pais,  J. Pina,  J. S. Seixas de Melo,  S. Jarmelo an d  J. Estelrich "From molecular modelling to photophysics of neutral oligo- and polyfluorenes incorporated into phospholipid bilayers"  Soft Matter  11, 303-317 (2015). pdf

 

[140] T. F. G. G. Cova, S. Jarmelo, S. J. Formosinho, J. S. Seixas de Melo and A.A.C.C. Pais, "Unsupervised characterization of research institutions with task-force estimation"  Journal of Informetrics 9, 59–68 (2015).pdf

 

[141] J. Pina, J. Seixas de Melo, A. Eckert, U. Scherf "Unexpected photophysical properties of conjugated, alternating indigo-fluorene copolymers" J. Mat. Chem. A 3, 6373-6382 (2015). pdf

 

[142] Ana Luisa Costa , Ana C. Gomes , Martyn Pillinger , Isabel Sousa Gonçalves , and J. Sérgio Seixas de Melo  "Controlling the Fluorescence Behavior of 1-Pyrenesulfonate by Cointercalation with a Surfactant in a Layered Double Hydroxide"   Langmuir  31 (16), 4769–4778 (2015). pdf

 

[143] Ana Luisa Costa, Ana C. Gomes, Martyn Pillinger, Isabel Sousa Gonçalves, and J. Sérgio Seixas de Melo "An Indigo Carmine-Based Hybrid Nanocomposite with Supramolecular Control of Dye Aggregation and Photobehavior"   Chemistry - A European Journal 21, 12069–12078 (2015). pdf

 

[144] Liu, Feng; Espejo, G uzmán; Qiu, Shuhai; Oliva, María; Pina, Joao; Seixas de Melo, J.; Casado, Juan; Zhu, Xiaozhang "Multifaceted Regioregular Oligo(thieno[3,4-b]thiophene)s Enabled by Tunable Quinoidization and Reduced Energy Band Gap"  J. Am. Chem. Soc. 137 (32), 10357–10366 (2015). pdf

 

[145]  Dong, W.; Pina, J.; Pan, Y.; Pr eis, E.; Seixas de Melo, J. S.; Scherf, U., "Polycarbazoles and polytriphenylamines showing aggregation-induced emission (AIE) and intramolecular charge transfer (ICT) behavior for the optical detection of nitroaromatic compounds." Polymer 76, 173-181 (2015). pdf

 

2016

[146] Pablo Martín-Ramosa, Ana L. Costa, Manuela Ramos Silva, Laura C. J. Pereira, Pedro S. Pereira da Silva, J. Sergio Seixas de Melo, Jesús Martín-Gil “Luminescent Properties of [UO2(TFA)2(DMSO)3], a Promising Material for Sensing and Monitoring the Uranyl Ion” Materials Research 19, 328-332 (2016).pdf

 

[147] Silvano R. Valandro, Alessandra L. Poli, Tiago Venâncio, João Pina, J. Seixas de Melo, Hugh D. Burrows, Carla C. Schmitt “A novel biopolymeric photoinitiator based on chitosan and thioxanthone derivative: Synthesis, characterization and efficiency in photopolymerization” Journal of Photochemistry and Photobiology A: Chemistry  327, 15–20 (2016).pdf

 

[148] J. Pina, M. J. RP Queiroz, J. S. Seixas de Melo “Effect of Substitution on the Ultrafast Deactivation of the Excited State of Benzo [b] thiophene-arylamines” Photochem. Photobiol. Sci. 15, 1029–1038 (2016).pdf

 

[149] 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, 601-612 (2016).pdf

 

2017

[150] V. M. Pereira, A. L. Costa, J. Feldl, T. M. R. Maria, J. S. Seixas de Melo, P. Martín-Ramos, J. Martín-Gil and M. Ramos Silva  “Synthesis, structure and physical properties of luminescent Pr(III) beta-diketonate complexes” Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 172, 25-33 (2017).pdf

 

[151] N. A. M. Pereira, M. Laranjo, J. Casalta-Lopes, A. C. Serra, M. Piñeiro, J. Pina, J. S. Seixas de Melo, M. O. Senge, M. F. Botelho, L. Martelo, H. D. Burrows and T. M. V. D. Pinho e Melo “Platinum(II) Ring-Fused Chlorins as Near-Infrared Emitting Oxygen Sensors and Photodynamic Agents” ACS Med. Chem. Lett. 8 (3), 310–315 (2017).pdf

 

[152] A. L. Costa, A. C. Gomes, M. Pillinger, I. S. Gonçalves, J. Pina and J. S. Seixas de Melo “Insights into the Photophysics and Supramolecular Organization of Congo Red in Solution and the Solid State” ChemPhysChem 18, 564-575 (2017).pdf

 

[153] J. Pina, D. Sarmento, M. Accoto, P. L. Gentili, L. Vaccaro, A. Galvão and J. S. Seixas de Melo “Excited-State Proton Transfer in Indigo” J. Phys. Chem. B 121, 2308−2318 (2017).pdf

 

[154] Cova, T. F. G. G.; Pais, A. A. C. C.; Seixas de Melo, J. S., "Reconstruct ing the historical synthesis of mauveine from Perkin and Caro: procedure and details." Sci. Rep. 2017, DOI : 10.1038/s41598-017-07239-z.pdf

 

[155] Tânia F.G.G. Cova, Susana Jarmelo, Sandra C.C. Nunes, Se b astião J. Formosinho, J. Sérgio Seixas de Melo, Alberto A.C.C. Pais “Seeing is believing: A graphical reference framework for multicriteria evaluation” Evaluation 2017 23(4,) 479-494.pdf

 

2018

 

[156] Catarina Pinto and J. Sérgio Seixas de Melo “The Molecules of Colour in Portuguese Postage Stamps (1857-1909)” Pure & Appl. Chem. 2018 90 (3), 435-445. doi.org/10.1515/pac-2017-0701.pdf

 

[157] Pina, J.; Eckert, A.; Scherf, U.; Galvao, A. M.; Seixas de Melo, J. S., Cyclopentadithiophene derivatives: a step towards an understanding of thiophene copolymer ex cited state deactivation pathways. Materials Chemistry Frontiers 2018. 2 (1), 149-156. DOI: 10.1039/C7QM00440K pdf

 

[158] Pina, J.; Alnady, M.; Eckert, A.; Scherf, U.; Seixas de Melo, J. S., Alternating donor-acceptor indigo-cyclopentadithiophene copolymers: competition between excited state conformational relaxation, energy transfer and excited state proton transfer. Materials Chemistry Frontiers 2018, 2 (2), 281-290. DOI: 10.1039/C7QM00439G. pdf

 

[159] Costa, A. L.; Gomes, A. C.; Pereira, R. C.; Pillinger, M.; Gonçalves, I. S.; Pineiro, M.; Seixas de Melo, J. S., Interactions and Supramolecular Organization of Sulfonated Indigo and Thioindigo Dyes in Layered Hydroxide Hosts. Langmuir 2018, 34 (1), 453-464. DOI: 10.1021/acs.langmuir.7b03735. pdf

 

[160]  Pereira, N. A. M.; Laranjo, M.; Pina, J.; Oliveira, A. S. R.; Ferreira, J. D.; Sánchez-Sánchez, C.; Casalta-Lopes, J.; Gonçalves, A. C.; Sarmento-Ribeiro, A. B.; Piñeiro, M.; Seixas de Melo, J. S.; Botelho, M. F.; P inho e Melo, T. M. V. D., Advances on photodynamic therapy of melanoma through novel ring-fuse d 5,15-diphenylchlo rins. European Journal of Medicinal Chemistry 2018, 146, 395-408.pdf

 

[161] Pereira, R. C.; Pineiro, M.; Galvão, A. M.; Seixas de Melo, J. S., Thioindigo, and sulfona ted thioindigo derivatives as solvent polarity dependent fluorescent on-off system s. Dyes and Pigments 2018, 158, 259-266.pdf

 

[162]  Aguiló, E.; Moro, A. J.; Outis, M.; Pina, J.; Sarmento, D.; Seixas de Melo, J. S.; Rodríguez, L.; Lima, J. C. Deactivation Routes in Gold(I) Polypyridyl Complexes: I nternal Conversion Vs Fast Intersystem Crossing. Inorg. Chem. 2018,  57 (21), 13423-13430. DOI: 10.1021/acs.inorgchem.8b01993.

 

[163] Rodrigues, A. C. B.; Pina, J.; Dong, W.; Forster, M.; Scherf, U.; Seixas de Melo, J. S. Aggregation-Induced Emission in Phenothiazine–T PE and −TPAN Polymers. Macromolecules 2018, 51 (21) 8501-8512. 10.1021/acs.macromol.8b01758.

2019

[164] Delgado-Pinar E, Valente AJM, Sérgio Seixas de Melo J. A comprehensive photophysical and NMR investigation on the interaction of a 4-methylumbelliferone derivative and cucurbit[7]uril. Journal of Molecular Liquids. 2019, 277, 1026-34.

[165]  Pina J, de Castro CS, Delgado-Pinar E, Sérgio Seixas de Melo J. 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 2019, 278, 616-26.

[166]  Seixas de Melo JS. Comment on “An ‘imperial radiation’: Experim ental and theoretical investigations of the photo-induced luminescence properties of 6,6′-dibromoindigo (Tyrian purple)”. Dyes and Pigments 2019, 162, 704.

[167] Pereira RC, Pontinha ADR, Piñeiro M, Seixas de Melo JS. "A comprehensive spectral, ph otophysical and electroch emistry study of synthetic water-soluble acridones. A new class of pH and polarity sensitive fluorescent probes." Dyes and Pigments 2019,  166, 203-210.