Abstract
Polyelectrolyte complexes (PEC) are the products of cooperative coupling reactions between two unlikely charged polyions of high charge density, in particular with ionogenic groups in each monomer unit of the chain. Of late there has been a widespread interest in research of competitive reactions in PEC’s solutions mimicking some important regulator processes in vivo accompanied by a transfer of charged biopolymers. Data obtained on studying of equilibrium, kinetics and mechanism of the competitive interpolyelectrolyte reactions are summarized in review1. These results lead to crucially new consideration of PEC as macromolecular compounds, permanently exchanging by polyions in water-salt solutions. The ability of PEC to combine high stability with the capacity to take part in the interpolyelectrolyte reactions ensures self- assembly of complex particles in the solutions. Perfect selectivity and high rate of the cooperative interpolyelectrolyte reactions endow PEC with sensitivity to external factors (pH, ionic strength, temperature, etc.) making them self-adjustment systems. Both formation of PEC and their transformation are accomplished by the method of trials and errors via polyions transfer until the equilibrium is achieved.
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Izumrudov, V.A., Zhiryakova, M.V., Akritskaya, N.I. (2003). Fluorescence Quenching Technique for Study of Dna-Containing Polyelectrolyte Complexes. In: Geckeler, K.E. (eds) Advanced Macromolecular and Supramolecular Materials and Processes. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-8495-1_21
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