Magnetically modified microbial cells: A new type of magnetic adsorbents_中国颗粒学会

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Partic. vol. 5 no. 1-2 pp. 19-25 (April 2007)
doi: 10.1016/j.cpart.2006.12.003

Magnetically modified microbial cells: A new type of magnetic adsorbents

Ivo Safarik*, Mirka Safarikova

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ivosaf@yahoo.com

Abstract

Microbial cells, either in free or immobilized form, can be used for the preconcentration or removal of metal ions, organic and inorganic xenobiotics or biologically active compounds. Magnetic modification of these cells enables to prepare magnetic adsorbents that can be easily manipulated in difficult-to-handle samples, such as suspensions, in the presence of external magnetic field. In this review, typical examples of magnetic modifications of microbial cells are presented, as well as their possible applications for the separation of organic xenobiotics and heavy metal ions.

Keywords

Microbial cells; Magnetic modification; Magnetic iron oxide nanoparticles; Magnetic adsorbents; Magnetic fluids; Xenobiotics