Chytosan-based Polyelectrolyte Complexes Soluble in Enzyme-friendly pH Rangeстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:By studying chitosan interactions with poly(styrene sulfonate) anions, a procedure that yields
chitosan-based non-stoichiometric polyelectrolyte complexes soluble in neutral media has
been developed. The elaborated strategy of the complex formation depended on the peculiar
order of mixing the polyelectrolyte solutions,which served as a remedy for kinetic hindrances.
The kinetic restrictions inevitably occurred on direct mixing of the components in slightly acidic and neutral media, due to the significant contribution of hydrogen bonds in
stabilization of the intermediate insoluble products. The approach developed opens up a new
avenue of attack on the problem of preparing water soluble biocompatible and biodegradable
chitosan complexes that are suitable for use at physiological pH and ionic strength.