Magnetic nanotube fabrication by using bacterial magnetic nanocrystals

Ipsita A. Banerjee; Lingtao Yu; Mutsuhiro Shima; Tomoko Yoshino; Haruko Takeyama; Tadashi Matsunaga; Hiroshi Matsui

doi:10.1002/adma.200400724

Magnetic nanotube fabrication by using bacterial magnetic nanocrystals

Ipsita A. Banerjee^*, Lingtao Yu, Mutsuhiro Shima, Tomoko Yoshino, Haruko Takeyama, Tadashi Matsunaga, Hiroshi Matsui

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

64 Citations (Scopus)

Abstract

A novel bionanotechnological method for fabricating magnetic nanotubes with the aid of magnetic bacteria was investigated. Magnetospirillum magneticum strain AMB-1 was selected as a model to immobilize the extracted bacterial magnetic nanocrystals on the peptide nanotubes. Then, the magnetic nanocrystals were separated by using a magnet placed at the bottom of the glass tube containing the disrupted cells. The main advantage in using bacterial magnetic nanocrystals is that the mineral type, crystal size and morphology of the magnetic nanocrystals can be controlled by the selection of the bacterial species or strains.

Original language	English
Pages (from-to)	1128-1131
Number of pages	4
Journal	Advanced Materials
Volume	17
Issue number	9
DOIs	https://doi.org/10.1002/adma.200400724
Publication status	Published - 2005 May 2
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.200400724

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AU - Banerjee, Ipsita A.

AU - Yu, Lingtao

AU - Shima, Mutsuhiro

AU - Yoshino, Tomoko

AU - Takeyama, Haruko

AU - Matsunaga, Tadashi

AU - Matsui, Hiroshi

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AB - A novel bionanotechnological method for fabricating magnetic nanotubes with the aid of magnetic bacteria was investigated. Magnetospirillum magneticum strain AMB-1 was selected as a model to immobilize the extracted bacterial magnetic nanocrystals on the peptide nanotubes. Then, the magnetic nanocrystals were separated by using a magnet placed at the bottom of the glass tube containing the disrupted cells. The main advantage in using bacterial magnetic nanocrystals is that the mineral type, crystal size and morphology of the magnetic nanocrystals can be controlled by the selection of the bacterial species or strains.

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Magnetic nanotube fabrication by using bacterial magnetic nanocrystals

Abstract

ASJC Scopus subject areas

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