新型纳米凝胶包被生物炭基固定化酶研究
Study on the Lipase Immobilized with Novel Nanogel Encapsulated Biochar
胡朝华 1张蕾 2张又弛 3万顺刚3
作者信息
- 1. 福建农林大学国家甘蔗工程技术研究中心,福建福州350002; 中国科学院城市环境研究所,福建厦门361021
- 2. 福建农林大学国家甘蔗工程技术研究中心,福建福州350002
- 3. 中国科学院城市环境研究所,福建厦门361021
- 折叠
摘要
[目的]探讨一种新型的脂肪酶固定化载体。[方法]采用酶底物类似物油酸分子修饰的纳米凝胶包被生物炭表面,首次制备出一种新型高效的纳米凝胶包被生物炭基质作为脂肪酶酶固定化载体。[结果]通过油/水界面的活化效应激活脂肪酶分子的催化活性位点,并通过凝胶的溶胀/退溶胀作用增强脂肪酶的固定化效果,所制备的新型固定化脂肪酶的催化活性和催化稳定性都得到了充分提高。[结论]新型固定化脂肪酶为酶固定化技术研究提供了材料。
Abstract
[ Objective] To discuss a novel lipase immobilized carrier. [ Method] Novel nanogels modified with oleic acid were synthesized and encapsulated on the surface of biochar, which was used firstly as a kind of vectors to immobilize enzyme such as lipase. [ Result] The catalytic activity and stability of the resulting immobilized lipase were improved adequately through activating the catalytic sites by oil/water interface effect, as well as immobilization approach using the swelling/deswelling properties of nanogels on biochar surfaces. [ Conclusion] The novel immobilized lipase provides materials for the research on enzyme immobilization technology.
关键词
纳米凝胶/油酸/固定化酶/催化活性Key words
Nanogels/Oleic acid/Immobilized lipase/Catalytic activity引用本文复制引用
基金项目
福建省自然科学基金重点项目(2013Y0082)
福建省自然科学基金重点项目(2013N0039)
浙江省宁波市自然科学基金(2013A610184)
福建省厦门市科技计划项目(3502Z20142019)
出版年
2016