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Chemical and Biological Analyses of the Role of the Poly- Para- Phenylenediamine in the Erythrocytes Resistance in Hypotonic Environment
Srhayri R, Naimi Y, Takky D, Motaouakkil S and Habti N
The high chemical and biological reactivity of para-phenylenediamine (pPD) has been illustrated in several studies, including polymerization genotoxicity and oxidative stress at the level of the plasma membrane cells. However, its reactivity with red blood cells (RBC) was rarely explored. The aim of this study is to help expound the molecular actions of para-phenylenediamine in hypotonic environment of human red blood cells by conducting biological tests for the globular resistance and physicochemical cyclic voltammetry and UV-visible spectroscopy. Our results show that the para-phenylenediamine at low concentration gives red blood cells temporary resistance (30 min) against hemolysis in hypotonic environment with 4.5 g/L NaCl. Spectrometry results for UVvisible and cyclic voltammetry suggest that membrane stability is due to the presence of the polymer poly-paraphenylenediamine (poly-pPD).