Buscar
Mostrando ítems 1-10 de 552
Evidence of photoinduced lipid hydroperoxidation in Langmuir monolayers containing Eosin Y
(2018-11-01)
Photodynamic therapy (PDT) efficiency depends on many factors including the incorporation of the photosensitizer (PS) in cell membranes and possible lipid hydroperoxidation. In this study, we show that hydroperoxidation ...
Photochemical study of Eosin-Y with PAMAM dendrimers in aqueous solution
(Elsevier Science, 2016-04)
A steady-state and time-resolved study of the xanthene dye Eosin-Y (Eos) in the presence of amino-terminated polyamidoamine (PAMAM) dendrimers in alkaline aqueous solution is presented. Stationary photolysis experiments ...
Comparison of the Kinetics of Electron Transfer in the Diffusion Limit for the Singlet and Triplet Quenching of Eosin Y by Quinones
(Wiley, 2013-06)
Electron transfer (ET) rate constants were determined by means of lifetime measurements for the fluorescence quenching and by laser flash photolysis for the triplet quenching of the dye eosin Y by benzoquinones in acetonitrile. ...
Comparison of the effect of rose bengal- and eosin Y-mediated photodynamic inactivation on planktonic cells and biofilms of Candida albicans
(2013-09-09)
Candida albicans is an opportunistic yeast that can cause oral candidosis through the formation of a biofilm, an important virulence factor that compromises the action of antifungal agents. The objective of this study was ...
Effect of the interface on the photophysics of eosin-Y in reverse miceles
(Elsevier Science Sa, 2013-01)
The photophysics of the xanthene dye eosin-Y (Eos) was studied in reverse micelles (RMs) of sodium 1,4-bis (2-ethylhexyl) sulfosuccinate (AOT) and benzylhexadecyldimethylammonium chloride (BHDC). Special interest was ...
Effect of pH on Eosin Y/PAMAM interactions studied from absorption spectroscopy and molecular dynamics simulations
(Elsevier Science, 2018-07)
Absorption spectroscopy experiments were carried out to examine the 1:1 supramolecular interaction between Eosin Y (EOS) and low generation G0-G3 poly(amido amine) (PAMAM) dendrimers at neutral and basic media, aimed at ...
Eosin y triplet state as a probe of spatial heterogeneity in microcrystalline cellulose
(Wiley Blackwell Publishing, Inc, 2012-07)
The photophysical behavior of eosin Y adsorbed onto microcrystalline cellulose was evaluated by reflectance spectroscopy, steady-state fluorescence spectroscopy and laser induced time-resolved luminescence. On increasing ...
Chemical equilibria of Eosin Y and its synthetic ester derivatives in non-ionic and ionic micellar environments
(W. Schröer, 2021-04-01)
Eosin (EOS) and its synthetic ester derivatives have adequate properties to be employed as histological markers for and as drugs for photodynamic therapy. However, they present a very complex protolytic and tautomeric ...
Comparison of the effect of rose bengal- and eosin Y-mediated photodynamic inactivation on planktonic cells and biofilms of Candida albicans
(2013-09-09)
Candida albicans is an opportunistic yeast that can cause oral candidosis through the formation of a biofilm, an important virulence factor that compromises the action of antifungal agents. The objective of this study was ...