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Molecular Crystals and Liquid Crystals Volume 589, 2014 - Issue 1: Proceedings of the Ninth International Conference on Electronic Processes in Organic Materials (ICEPOM-9)
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ELECTRONIC PROCESSES IN ORGANIC MATERIALS: PHYSICS

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
Pages 226-231 | Published online: 28 Mar 2014
 
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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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