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Optics and Spectroscopy, 2019, Volume 127, Issue 5, Pages 774–780
DOI: https://doi.org/10.21883/OS.2019.11.48514.221-19 (Mi os551) 		 
Spectroscopy of condensed matter

Influence of aqueous medium properties on dimegine aggregation

I. V. Bagrov, A. V. Dadeko, V. M. Kiselev, T. D. Murav'eva, A. M. Starodubtsev, A. S. Grenishin

Vavilov State Optical Institute, 199034, St. Petersburg, Russia
DOI: https://doi.org/10.21883/OS.2019.11.48514.221-19
Abstract: A comparative study of the influence of an aqueous medium properties on the aggregation of dimegine, photoditazine and radachlorin was carried out. A nonlinear dependence of the molar extinction on the concentration of the photosensitizer in solution was noted, moreover to varying degrees for the dosage form of the solution and solutions prepared using lyophilized photosensitizer powders. It has been shown that the use of surfactants (Pluronic F-127 and polyvinylpyrrolidone) within certain limits reduces the problems associated with the aggregation of the studied photosensitizers.
Keywords: photosensitizer, singlet oxygen, porphyrins, dimegine, aggregates, dimers, absorption spectra.
Received: 24.06.2019
Revised: 24.06.2019
Accepted: 08.07.2019
English version:
Optics and Spectroscopy, 2019, Volume 127, Issue 5, Pages 841–847
DOI: https://doi.org/10.1134/S0030400X19110031
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: I. V. Bagrov, A. V. Dadeko, V. M. Kiselev, T. D. Murav'eva, A. M. Starodubtsev, A. S. Grenishin, “Influence of aqueous medium properties on dimegine aggregation”, Optics and Spectroscopy, 127:5 (2019), 774–780; Optics and Spectroscopy, 127:5 (2019), 841–847
Citation in format AMSBIB
\Bibitem{BagDadKis19}
\by I.~V.~Bagrov, A.~V.~Dadeko, V.~M.~Kiselev, T.~D.~Murav'eva, A.~M.~Starodubtsev, A.~S.~Grenishin
\paper Influence of aqueous medium properties on dimegine aggregation
\jour Optics and Spectroscopy
\yr 2019
\vol 127
\issue 5
\pages 774--780
\mathnet{http://mi.mathnet.ru/os551}
\crossref{https://doi.org/10.21883/OS.2019.11.48514.221-19}
\elib{https://elibrary.ru/item.asp?id=41848425}
\transl
\jour Optics and Spectroscopy
\yr 2019
\vol 127
\issue 5
\pages 841--847
\crossref{https://doi.org/10.1134/S0030400X19110031}
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