Effect of Polyacrylamide and Dextran-Polyacrylamide Graft Polymers on Absorption and Fluorescence Spectra of Hematoporphyrin

M. Yu. Losytskyy Department of Physics, Taras Shevchenko National University of Kyiv, 64/13, Volodymyrs ’ka Str., 01601, Kyiv, Ukraine

I. V. Madan Department of Physics, Taras Shevchenko National University of Kyiv, 64/13, Volodymyrs ’ka Str., 01601, Kyiv, Ukraine

N. V. Kutsevol Department of Chemistry, Taras Shevchenko National University of Kyiv, 64/13, Volodymyrs ’ka Str., 01601, Kyiv, Ukraine

M. M. Petrenko Department of Physics, Taras Shevchenko National University of Kyiv, 64/13, Volodymyrs ’ka Str., 01601, Kyiv, Ukraine

V. M. Yashchuk Department of Physics, Taras Shevchenko National University of Kyiv, 64/13, Volodymyrs ’ka Str., 01601, Kyiv, Ukraine

Abstract

Absorption and fluorescence spectra of hematoporphyrin (HP) solutions in distilled water and in the presence of polyacrylamide and three dextran-graft-polyacrylamide branched polymers are studied. HP is shown to interact with the studied polymers leading to the destruction of HP aggregates, which is positive for the use of porphyrin as a photosensitizer in the photodynamic therapy. For the concentrations of the polymers of 0.001%, the studied polymers demonstrated a similar impact on HP.

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Effect of Polyacrylamide and Dextran-Polyacrylamide Graft Polymers on Absorption and Fluorescence Spectra of Hematoporphyrin

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Effect of Polyacrylamide and Dextran-Polyacrylamide Graft Polymers on Absorption and Fluorescence Spectra of Hematoporphyrin

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