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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0170932
论文题名:	Formation of Core-Shell Nanoparticles Composed of Magnetite and Samarium Oxide in Magnetospirillum magneticum Strain RSS-1
作者:	Hirokazu Shimoshige; Yoshikata Nakajima; Hideki Kobayashi; Keiichi Yanagisawa; Yutaka Nagaoka; Shigeru Shimamura; Toru Mizuki; Akira Inoue; Toru Maekawa
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2017
发表日期:	2017-1-26
卷:	12, 期:1
语种:	英语
英文关键词:	Nanoparticles ; Samarium ; Magnetite ; Mycobacterium tuberculosis ; Magnetic properties ; Crystal structure ; High resolution transmission electron microscopy ; Iron
英文摘要:	Magnetotactic bacteria (MTB) synthesize magnetosomes composed of membrane-enveloped magnetite (Fe3O4) or greigite (Fe3S4) particles in the cells. Recently, several studies have shown some possibilities of controlling the biomineralization process and altering the magnetic properties of magnetosomes by adding some transition metals to the culture media under various environmental conditions. Here, we successfully grow Magnetospirillum magneticum strain RSS-1, which are isolated from a freshwater environment, and find that synthesis of magnetosomes are encouraged in RSS-1 in the presence of samarium and that each core magnetic crystal composed of magnetite is covered with a thin layer of samarium oxide (Sm2O3). The present results show some possibilities of magnetic recovery of transition metals and synthesis of some novel structures composed of magnetic particles and transition metals utilizing MTB.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0170932&type=printable
Citation statistics:	被引频次[WOS]:17 [查看WOS记录] [查看WOS中相关记录]
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/25821
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0170932.pdf（1738KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Bio-Nano Electronics Research Centre, Toyo University, Kawagoe, Saitama, Japan;Bio-Nano Electronics Research Centre, Toyo University, Kawagoe, Saitama, Japan;Graduate School of Interdisciplinary New Science, Toyo University, Kawagoe, Saitama, Japan;Japan Agency for Marine-Earth Science and Technology, Yokosuka, Kanagawa, Japan;Bio-Nano Electronics Research Centre, Toyo University, Kawagoe, Saitama, Japan;Bio-Nano Electronics Research Centre, Toyo University, Kawagoe, Saitama, Japan;Japan Agency for Marine-Earth Science and Technology, Yokosuka, Kanagawa, Japan;Bio-Nano Electronics Research Centre, Toyo University, Kawagoe, Saitama, Japan;Graduate School of Interdisciplinary New Science, Toyo University, Kawagoe, Saitama, Japan;Bio-Nano Electronics Research Centre, Toyo University, Kawagoe, Saitama, Japan;Graduate School of Interdisciplinary New Science, Toyo University, Kawagoe, Saitama, Japan;Bio-Nano Electronics Research Centre, Toyo University, Kawagoe, Saitama, Japan;Graduate School of Interdisciplinary New Science, Toyo University, Kawagoe, Saitama, Japan

Recommended Citation:

Hirokazu Shimoshige,Yoshikata Nakajima,Hideki Kobayashi,et al. Formation of Core-Shell Nanoparticles Composed of Magnetite and Samarium Oxide in Magnetospirillum magneticum Strain RSS-1[J]. PLOS ONE,2017-01-01,12(1)

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