期刊
CHEMICAL SCIENCE
卷 13, 期 30, 页码 8766-8772出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2sc01746f
关键词
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资金
- Jilin Province Science and Technology Development Project Foundation [20200708061YY]
- Capital Care Foundation in Jilin Province Budget [20210201124GX]
The field of biocatalysis is expanding due to the increasing demand for efficient low-cost green chemical processes. A controllable scaffold, thermoresponsive Pickering high internal phase emulsions (HIPEs), has been developed for efficient biocatalysis. The HIPEs demonstrate a transition between emulsification and demulsification depending on temperature. This system provides a green platform for various interfacial biocatalytic processes of industrial interest.
The field of biocatalysis is expanding owing to the increasing demand for efficient low-cost green chemical processes. However, a feasible strategy for achieving product separation, enzyme recovery, and high catalytic efficiency in biocatalysis remains elusive. Herein, we present thermoresponsive Pickering high internal phase emulsions (HIPEs) as controllable scaffolds for efficient biocatalysis; these HIPEs demonstrate a transition between emulsification and demulsification depending on temperature. Ultra-high-surface-area Pickering HIPEs were stabilized by Candida antarctica lipase B immobilized on starch particles modified with butyl glycidyl ether and glycidyl trimethyl ammonium chloride, thus simplifying the separation and reuse processes and significantly improving the catalytic efficiency. In addition, the switching temperature can be precisely tuned by adjusting the degree of substitution of the modified starches to meet the temperature demands of various enzymes. We believe that this system provides a green platform for various interfacial biocatalytic processes of industrial interest.
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