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Use of magnetic particles isolated from magnetotactic bacteria for enzyme immobilization

โœ Scribed by Tadashi Matsunaga; Shinji Kamiya

Publisher
Springer
Year
1987
Tongue
English
Weight
357 KB
Volume
26
Category
Article
ISSN
1432-0614

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โœฆ Synopsis

We report the novel use of magnetic particles isolated from magnetotactic bacteria. Magnetotactic bacteria were collected from enriched sludge by use of a magnetic harvesting apparatus. Magnetic particles separated from magnetotactic bacteria were shown to be pure magnetite. Glucose oxidase and uricase were immobilized on magnetic particles. The activity of glucose oxidase immobilized on biogenic magnetites was 40 times that immobilized on artificial magnetites or Zn-ferrite particles. Both glucose oxidase and uricase coupled with biogenic magnetic particles retained their activities when they were reused 5 times.

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