Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Volume 265, Issue 1, Pages 370-374Publisher
ELSEVIER
DOI: 10.1016/j.nimb.2007.09.005
Keywords
cell immobilization; poly(vinylpyrrolidone); radiation crosslinking; anthracene; naphthalene; biodegradation
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A poly(vinylpyrrolidone) (PVP) hydrogel crosslinked by gamma radiation was used to immobilize, by adsorption, Rhodococcus erythropolis B4 strain. Immobilized cells were tested for their capacity to degrade naphthalene and anthracene, under aerobic conditions. The results showed that, the strain fixed is capable of growing in the presence of naphthalene or anthracene as a unique source of carbon. It was also shown that, the fixed strain can be preserved by freeze-drying for further use. The biodegradation capacity was improved during the second use. (c) 2007 Elsevier B.V. All rights reserved.
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