期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 22, 期 19, 页码 9970-9974出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm16756e
关键词
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资金
- National Natural Science Foundation of China [50525413, 50502002]
- Jurisdiction of Beijing Municipality
Core-shell nanospheres with a nanosize Co3O4 core and a periodic mesoporous organosilica (PMO) shell were fabricated by the packing and self-assembly of nanosize Co3O4 particles-surfactantorganosilica complexes based on the S+I- pathway under basic conditions. The amount of Co3O4 nanoparticles is crucial to the formation of core-shell nanospheres. The obtained nanospheres possess a uniform particle size of 130 nm, a high surface area of 474.1 m(2) g(-1) and a large pore volume of 0.68 cm(3) g(-1), which are highly advantageous to the immobilization of Microperoxidase-11 (MP-11). The presence of Co3O4 nanoparticles could enhance the activity of immobilized MP-11, probably due to their peroxidase activity.
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