ANALYSIS OF EFFECTIVNESS OF MAGNETICALLY LABELED BIOSORBENT OBTAINED THROUGH THE MECHANICAL AND MAGNETOHYDRODYNAMIC STIRRING

Svitlana Gorobets, Oksana Gorobets, Yulia Chyzh, Oleksiy Kovalev, Valeriya Perizhok, Volodymyr Golub

Abstract


The efficiency of Cu2+ ion extraction of magnetically labeled biosorbent based on yeast Sacharomyces cerevisiae obtained by magnetohydrodynamic stirring in combined magnetic and electric fields has been determined. The effect of different concentration of magnetic nanoparticles and yeast cells on the magnetic susceptibility was determined. Optimal magnetite content is 1 %, as such biosorbent has a maximum magnetic susceptibility and the best stability. The higher sorption capacity is observed for magnetically labeled biosorbent obtained through the magnetohydrodynamic stirring in the combined magnetic and electric field with concentration of magnetite 1 %.

The process of active and passive biosorption shows that part of the magnetite nanoparticles has been attached to the surface of biosorbent. This indicates that both passive and active sorption takes place in the process of interaction of yeast cells and magnetite nanoparticles.


Keywords


magnetically labeled biosorbent; biosorption; magnetic nanoparticles; magnetohydrodynamic stirring

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DOI: http://dx.doi.org/10.21303/2461-4262.2016.00165

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Copyright (c) 2016 Svitlana Gorobets, Oksana Gorobets, Yulia Chyzh, Oleksiy Kovalev, Valeriya Perizhok, Volodymyr Golub

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ISSN 2461-4262 (Online), ISSN 2461-4254 (Print)