Всероссийский научно-исследовательский институт физиологии, биохимии и питания животных – филиал Федерального государственного бюджетного научного учреждения «Федеральный научный центр животноводства – ВИЖ имени академика Л.К. Эрнста»
ABSTRACT. Research into interactions between synthetic polymers-polyelectrolytes and proteins open a new avenue for desired regulation of their physicochemical and biological properties. Authors studied in vitro interactions of high-molecular water soluble polycationite (HSP) polydimethyldiallilammonium chloride with model protein − bovine serum albumin (BSA). Formation of inter-polymer complexes was registered by the method of potentiometric titration. There was indicated that HSP with molecular mass 3•105 - 1•106 forms steady inter-polymer complexes with BSA; amount of complexes formed depends upon pH of medium and on the ratio of components. The data obtained suggest a possibility to regulate physicochemical properties of proteins, particularly their solubility, through application of high-molecular water soluble polycationites.
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