Surface modification of ferromagnetic L1o FePt nanoparticles using biotin avidin as biomolecular recognition probes

Anastasia W. Indrianingsih, Masayuki Suda, Yushi Heta, Koji Suzuki, Yasuaki Einaga

Research output: Contribution to journalArticle

Abstract

Water-dispersible biotin-modified biofunctional ferromagnetic L1o FePt nanoparticles (NPs) have been synthesized by using a silica nanoreactor strategy. The coercivity field of the NPs was 16 kOe at room temperature, with a particle size of around 5.19 nm. Biotin-coated L1o FePt NPs were biocompatible in an aqueous environment and show site-specific interactions with avidin compounds that could potentially yield a new magnetic material for biological applications, such as for biomolecular recognition.

Original languageEnglish
Pages (from-to)873-877
Number of pages5
JournalBulletin of the Chemical Society of Japan
Volume84
Issue number8
DOIs
Publication statusPublished - 2011

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Avidin
Biotin
Surface treatment
Nanoparticles
Nanoreactors
Magnetic materials
Coercive force
Silicon Dioxide
Particle size
Water
Temperature

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Surface modification of ferromagnetic L1o FePt nanoparticles using biotin avidin as biomolecular recognition probes. / Indrianingsih, Anastasia W.; Suda, Masayuki; Heta, Yushi; Suzuki, Koji; Einaga, Yasuaki.

In: Bulletin of the Chemical Society of Japan, Vol. 84, No. 8, 2011, p. 873-877.

Research output: Contribution to journalArticle

Indrianingsih, Anastasia W. ; Suda, Masayuki ; Heta, Yushi ; Suzuki, Koji ; Einaga, Yasuaki. / Surface modification of ferromagnetic L1o FePt nanoparticles using biotin avidin as biomolecular recognition probes. In: Bulletin of the Chemical Society of Japan. 2011 ; Vol. 84, No. 8. pp. 873-877.
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