C
Carlos M. Previtali
Researcher at National University of Río Cuarto
Publications - 149
Citations - 2917
Carlos M. Previtali is an academic researcher from National University of Río Cuarto. The author has contributed to research in topics: Quenching (fluorescence) & Flash photolysis. The author has an hindex of 24, co-authored 147 publications receiving 2696 citations. Previous affiliations of Carlos M. Previtali include National Scientific and Technical Research Council.
Papers
More filters
Journal ArticleDOI
The photoprotector mechanism of mycosporine-like amino acids. Excited-state properties and photostability of porphyra-334 in aqueous solution.
TL;DR: The photostability and photophysical parameters of an aqueous solution of the mycosporine-like amino acid (MAA) porphyra-334 have been determined and the photoprotective role assigned to this MAA in living systems is supported.
Journal ArticleDOI
The Excited-State Interaction of Resazurin and Resorufin with Aminesin Aqueous Solutions. Photophysics and Photochemical Reaction¶
Claudia Bueno,M. L. Villegas,Sonia G. Bertolotti,Carlos M. Previtali,Miguel G. Neumann,María V. Encinas +5 more
TL;DR: Photophysics and photochemical behavior of the phenoxazin-3-one dyes, resazurin and resorufin, have been studied in aqueous solutions and characterization of the triplet state and the transients formed after irradiation of these dyes in the absence and presence of amines was allowed.
Journal ArticleDOI
The deactivation pathways of the excited-states of the mycosporine-like amino acids shinorine and porphyra-334 in aqueous solution
TL;DR: Photosensitization experiments on porphyra-334 support the participation of the triplet state in the photodecomposition mechanism yielding a more precise value of [capital Phi](T), and photoacoustic calorimetry experiments allowed the first direct quantification of the nonradiative relaxation pathways of the excited MAAs in solution.
Journal ArticleDOI
Riboflavin/Triethanolamine as Photoinitiator System of Vinyl Polymerization. A Mechanistic Study by Laser Flash Photolysis
TL;DR: In this paper, the polymerization of 2-hydroxyethyl methacrylate photoinitiated by riboflavin in the presence of triethanolamine was investigated.
Journal ArticleDOI
Xanthene dyes/amine as photoinitiators of radical polymerization: a comparative and photochemical study in aqueous medium
TL;DR: In this article, the efficiency of several xanthene dyes as photoinitiators of the free radical polymerization in aqueous medium was evaluated, and the results showed that dyes with triplet quantum yield higher than 0.1 present similar efficiencies, independently of their different chemical structure.