Synthesis of magnetically modified palygorskite composite for immobilization of Candida sp. 99-125 lipase via adsorption

Ya Li; Jicheng Hu; Pingfang Han

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Synthesis of magnetically modified palygorskite composite for immobilization of Candida sp. 99-125 lipase via adsorption

生物技术与生物工程 | Updated：2026-01-06

- Synthesis of magnetically modified palygorskite composite for immobilization of Candida sp. 99-125 lipase via adsorption
- Chinese Journal of Chemical Engineering Vol. 23, Issue 5, Pages: 822-826(2015)
- Affiliations：
  
  2 Department of Environment and Resource, Nantong Science and Technology College,Nantong,China,226007
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2015
- Accepted：
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sp. 99-125 lipase
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sp. 99-125 lipase DOI：

摘要

Abstract

Magnetically modified palygorskite composites were synthesized with γ-Fe

dispersing on the external surface of clay mineral. The magnetic clay was characterized with Fourier transform infrared

X-ray diffraction

transmission electron microscopy

and vibrating sample magnetometer. Candida sp. 99-125 lipase was immobilized on magnetic palygorskite composites by physical adsorption with enzyme loading of 41.5mg·g

-1

support and enzyme activity of 2631.6 U·(g support)

-1

. The immobilized lipase exhibit better thermal and broader pH stability and excellent reusability compared with free lipase.

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