One Pot Synthesis of Amino-Functionalized Magnetite/Silica Nanocomposites in Microemulsion

DOI

10.2991/isesce-15.2015.36How to use a DOI?

Keywords

amino-functionalized; magnetic silica; microemulsion; immobilization

Abstract

Amino-functionalized magnetite/Silica (Fe3O4/SiO2) nanoparticles were synthesized in water-in-oil microemulsion system by one-pot process. The structure composition and the surface functional groups of the product were characterized. The synthesized product was embedded structure of Fe3O4/SiO2 nanocomposites with an average diameter size of 12 nm. These magnetic silica nanocomposites with a functional surface had excellent superparamagnetic properties. Accordingly, the amino-functionalized Fe3O4/SiO2 nanocomposites were used as magnetic separation carriers for immobilization of catalase (CAT). The immobilized CAT obtained through covalent attachment exhibited higher resistance of pH and thermal stability than the free CAT. The immobilized CAT still retained a high activity after 10 repeated batches reaction.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Zheng Zhang
AU  - Wei Zhang
PY  - 2015/12
DA  - 2015/12
TI  - One Pot Synthesis of Amino-Functionalized Magnetite/Silica Nanocomposites in Microemulsion
BT  - Proceedings of the 2015 International Symposium on Energy Science and Chemical Engineering
PB  - Atlantis Press
SP  - 180
EP  - 183
SN  - 2352-5401
UR  - https://doi.org/10.2991/isesce-15.2015.36
DO  - 10.2991/isesce-15.2015.36
ID  - Zhang2015/12
ER  -