Synthesis of a morphology controllable Fe3O4 nanoparticle/hydrogel magnetic nanocomposite inspired by magnetotactic bacteria and its application in H2O2 detection

Yang Gao, Zhao Wei, Fei Li, Zhi Mao Yang, Yong Mei Chen, M. Zrínyi, Yoshihito Osada

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Owing to the shape-dependent catalytic activity of Fe3O 4 nanoparticles, controlling their morphology is of great significance. In this work, we propose a simple, nontoxic, water-based strategy for the fabrication of magnetic nanoparticle/hydrogel nanocomposites in which highly crystalline Fe3O4 nanooctahedra can be fabricated in situ within a negatively charged hydrogel matrix. The morphology of the Fe3O4 nanocrystals can be easily tuned by adjusting the crosslinking concentration of the hydrogel. Furthermore, the catalytic activities of the magnetic nanocomposites were studied, and the magnetic nanocomposite loaded with Fe3O4 nanooctahedra exhibited excellent catalytic activity and provided a sensitive response toward H 2O2 detection. This scalable approach for the fabrication of magnetic nanocomposites, loaded with morphology controllable Fe 3O4 nanoparticles, potentially promotes their applications in biotechnology and environmental chemistry.

Original languageEnglish
Pages (from-to)1255-1261
Number of pages7
JournalGreen Chemistry
Volume16
Issue number3
DOIs
Publication statusPublished - Mar 2014

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Hydrogel
Hydrogels
Nanocomposites
Bacteria
Nanoparticles
Catalyst activity
bacterium
biotechnology
Fabrication
Biotechnology
Crosslinking
Nanocrystals
matrix
Crystalline materials
detection
nanoparticle
Water
water

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution

Cite this

Synthesis of a morphology controllable Fe3O4 nanoparticle/hydrogel magnetic nanocomposite inspired by magnetotactic bacteria and its application in H2O2 detection. / Gao, Yang; Wei, Zhao; Li, Fei; Yang, Zhi Mao; Chen, Yong Mei; Zrínyi, M.; Osada, Yoshihito.

In: Green Chemistry, Vol. 16, No. 3, 03.2014, p. 1255-1261.

Research output: Contribution to journalArticle

Gao, Yang ; Wei, Zhao ; Li, Fei ; Yang, Zhi Mao ; Chen, Yong Mei ; Zrínyi, M. ; Osada, Yoshihito. / Synthesis of a morphology controllable Fe3O4 nanoparticle/hydrogel magnetic nanocomposite inspired by magnetotactic bacteria and its application in H2O2 detection. In: Green Chemistry. 2014 ; Vol. 16, No. 3. pp. 1255-1261.
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