Search Results - "Arnaut, L. G"

Triplet-State and Singlet Oxygen Formation in Fluorene-Based Alternating Copolymers by Fonseca, S. M, Pina, J, Arnaut, L. G, Seixas de Melo, J, Burrows, H. D, Chattopadhyay, N, Alcácer, L, Charas, A, Morgado, J, Monkman, A. P, Asawapirom, U, Scherf, U, Edge, R, Navaratnam, S

“…Data are reported on the triplet states of a series of fluorene-based A-alt-B type alternating copolymers based on pulse radiolysis-energy transfer and flash…”
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Can lipid nanoparticles improve intestinal absorption? by Mendes, M., Soares, H.T, Arnaut, L.G, Sousa, J.J, Pais, A.A.C.C., Vitorino, C.

“…[Display omitted] Lipid nanoparticles and their multiple designs have been considered appealing nanocarrier systems. Bringing the benefits of these nanosystems…”
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Photochemistry and Photophysics of Thienocarbazoles by Seixas de Melo, J., Rodrigues, L. M., Serpa, C., Arnaut, L. G., Ferreira, I. C F. R., Queiroz, M-J. R. P.

“…Two methylated thienocarbazoles and two of their synthetic nitro-precursors have been examined by absorption, luminescence, laser flash photolysis and…”
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Triplet state dynamics on isolated conjugated polymer chains by Burrows, H.D., Seixas de Melo, J., Serpa, C., Arnaut, L.G., Miguel, M.da G., Monkman, A.P., Hamblett, I., Navaratnam, S.

“…Triplet state behaviour has been studied with several conjugated polymers in dilute benzene solutions by flash photolysis, photoacoustic calorimetry (PAC) and…”
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Picosecond photoacoustic generation of ultrasounds with composites of graphene-decorated gold nanoparticles by Vella, D., Pereira, D.A., Mrzel, A., Vengust, D., Drnovšek, A., Arnaut, L.G., Serpa, C., Jezeršek, M.

“…Photoacoustic or light-to-pressure transducer materials exhibit tremendous potential across various disciplines and applications, embracing theragnostic…”
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Characterisation of the triplet state of a fluorene–terthiophene alternating copolymer by Burrows, H.D., Arnaut, L.G., Pina, J., Seixas de Melo, J., Chattopadhyay, N., Alcácer, L., Charas, A., Morgado, J.

“…The triplet state behaviour of the alternating copolymer poly[2,7-(9,9-bis(2′-ethylhexyl)fluorene)- alt-2,5-terthiophene] (PF3T) was studied in benzene…”
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Molecular factor analysis in atom-transfer reactions by Barroso, M., Pereira, J. C., Pais, A. A. C. C., Arnaut, L. G., Formosinho, S. J.

“…We present a systematic method to access molecular factors and model activation energies using partial least squares and a number of chosen descriptors. It is…”
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The intersecting-state model: a link between molecular spectroscopy and chemical reactivity by Arnaut, L.G., Pais, A.A.C.C., Formosinho, S.J.

“…The intersecting-state model is applied to calculate the energy barriers and rates of atom transfers, S N2 reactions, proton transfers and electron transfers,…”
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Theory of electron transfer reactions in photosynthetic bacteria reaction centers by Arnaut, Luís G., Formosinho, Sebastião J.

“…The intersecting-state model and an electron tunneling model are used to calculate the rates of electron transfer (ET) reactions in Rb. sphaeroides reactions…”
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Theoretical studies of intramolecular electron transfer reactions: Distance and free energy dependences by Arnaut, Luís G., Formosinho, Sebastião J.

“…Electron tunneling through a square potential energy barrier is used to calculate the distance-dependent factors of electron transfer (ET) processes in…”
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Tritolylporphyrin dimer as a new potent hydrophobic sensitizer for photodynamic therapy of melanoma by Drzewiecka, A, Urbańska, K, Matuszak, Z, Pineiro, M, Arnaut, L G, Habdas, J, Ratuszna, A, Stochel, G

“…We report the synthesis, photochemical and photophysical properties and preliminary studies on biological effect of a new tritolylporphyrin dimer (T-D)…”
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Modelling intramolecular electron transfer reactions in cytochromes and in photosynthetic bacteria reaction centres by Arnaut, Luı́s G., Formosinho, Sebastião J.

“…Electron transfer rates within protein systems with various donor acceptor distances, reaction-free energies and temperatures, are calculated as the product of…”
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Photodynamic therapy with redaporfin targets the endoplasmic reticulum and Golgi apparatus by Gomes‐da‐Silva, Lígia C, Zhao, Liwei, Bezu, Lucillia, Zhou, Heng, Sauvat, Allan, Liu, Peng, Durand, Sylvère, Leduc, Marion, Souquere, Sylvie, Loos, Friedemann, Mondragón, Laura, Sveinbjørnsson, Baldur, Rekdal, Øystein, Boncompain, Gaelle, Perez, Franck, Arnaut, Luis G, Kepp, Oliver, Kroemer, Guido

“…Preclinical evidence depicts the capacity of redaporfin (Redp) to act as potent photosensitizer, causing direct antineoplastic effects as well as indirect…”
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Recruitment of LC3 to damaged Golgi apparatus by Gomes-da-Silva, Lígia C., Jimenez, Ana Joaquina, Sauvat, Allan, Xie, Wei, Souquere, Sylvie, Divoux, Séverine, Storch, Marko, Sveinbjørnsson, Baldur, Rekdal, Øystein, Arnaut, Luis G., Kepp, Oliver, Kroemer, Guido, Perez, Franck

“…LC3 is a protein that can associate with autophagosomes, autolysosomes, and phagosomes. Here, we show that LC3 can also redistribute toward the damaged Golgi…”
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Heavy-atom effects on metalloporphyrins and polyhalogenated porphyrins by Azenha, Emı́lia 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.

“…The photophysics of halogenated and metallated tetrakisphenylporphyrins is investigated using single-photon counting, photoacoustic calorimetry and…”
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Photoacoustic Measurements of Porphyrin Triplet-State Quantum Yields and Singlet-Oxygen Efficiencies by Pineiro, Marta, Carvalho, Ana L., Pereira, Mariette M., Gonsalves, A. M. d'A. Rocha, Arnaut, Luís G., Formosinho, Sebastião J.

“…Photoacoustic calorimetry and luminescence techniques were used to measure singlet oxygen quantum yields (ΦΔ) of selected 5,10,15,20‐tetrakis(aryl)porphyrins…”
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Excited-state proton-transfer kinetics: a theoretical model by Arnaut, Luis G, Formosinho, Sebastiao J

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Photochemistry and Photophysics of Thienocarbazoles by Seixas de Melo, J., Rodrigues, L. M., Serpa, C., Arnaut, L. G., Ferreira, I. C. F. R., Queiroz, M.-J. R. P.

“…ABSTRACT Two methylated thienocarbazoles and two of their synthetic nitro‐precursors have been examined by absorption, luminescence, laser flash photolysis and…”
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New Halogenated Phenylbacteriochlorins and Their Efficiency in Singlet-Oxygen Sensitization by Pineiro, Marta, Pereira, Mariette M, Formosinho, Sebastião J, Arnaut, Luis G

“…Halogenated phenylbacteriochlorins are synthesized with high yields in a two-step procedure. They have strong absorbances in the red and are very stable to air…”
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Tunnelling in low-temperature hydrogen-atom and proton transfers by Arnaut, Luis G., Formosinho, Sebastião J., Barroso, Monica

“…The reaction path of the interacting-state model with the Lippincott-Schroeder potential for hydrogen bonds, is used in transition-state theory calculations…”
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