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氨基硅烷化磁性纳米微球固定化纤维素酶研究
张猛; 许敬亮; 张宇; 张伟; 刘云云; 梁翠谊; 袁振宏
2013
Source Publication太阳能学报
ISSN0254-0096
Volume34Issue:2Pages:337
Abstract采用化学共沉淀法制备出Fe_30_4纳米颗粒,将其加入至正硅酸乙酯(TEOS)的凝胶体系中,制备得到Fe_3O_4-SiO_2复合颗粒,再通过硅烷化试剂3-氨丙基三乙氧基硅烷(APTES)对其进行硅烷化修饰,得到表面氨基功能化的磁性纳米微球。X射线分析仪、傅里叶红外光谱仪、振动样品磁强计、透射电子显微镜等分析表明,制备出的氨基硅烷化磁性微球具有良好的超顺磁特性,粒径约为25nm。与游离纤维素酶相比,利用该磁性微球固定化纤维素酶,固定化酶的热稳定性明显提高并具有良好的重复使用性能。
Language英语
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/19747
Collection中国科学院广州能源研究所
Affiliation中国科学院广州能源研究所
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
张猛,许敬亮,张宇,等. 氨基硅烷化磁性纳米微球固定化纤维素酶研究[J]. 太阳能学报,2013,34(2):337.
APA 张猛.,许敬亮.,张宇.,张伟.,刘云云.,...&袁振宏.(2013).氨基硅烷化磁性纳米微球固定化纤维素酶研究.太阳能学报,34(2),337.
MLA 张猛,et al."氨基硅烷化磁性纳米微球固定化纤维素酶研究".太阳能学报 34.2(2013):337.
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