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DOI:	10.1371/journal.pone.0173887
论文题名:	Can a hybrid chemical-ferromagnetic model of the avian compass explain its outstanding sensitivity to magnetic noise?
作者:	Kirill Kavokin
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2017
发表日期:	2017-3-15
卷:	12, 期:3
语种:	英语
英文关键词:	Magnetic fields ; Animal navigation ; Birds ; Magnetoreception ; Magnetite ; Relaxation time ; Particle spin ; Permeability
英文摘要:	While many properties of the magnetic compass of migratory birds are satisfactory explained within the chemical model of magnetoreception, its extreme sensitivity to radio-frequency magnetic fields remains a mystery. Apparently, this difficulty could be overcome if the magnetoreceptor model were augmented with a magnetite nanoparticle, which would amplify the magnetic field at the position of the magneto-sensitive cryptochrome molecule. However, comparison of the radio-frequency power used in the experiment with intrinsic magnetization noise of such a particle, estimated from the theory of fluctuations, shows that the required sensitivity cannot be reached with realistic parameters of iron-oxide nanocrystals.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0173887&type=printable
Citation statistics:	被引频次[WOS]:8 [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/25874
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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File Name/ File Size	Content Type	Version	Access	License
journal.pone.0173887.pdf（1023KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Spin Optics Laboratory, St. Petersburg State University, St. Petersburg, Russia;I.M.Sechenov Institute of Evolutionary Physiology and Biochemistry RAS, St. Petersburg, Russia

Recommended Citation:

Kirill Kavokin. Can a hybrid chemical-ferromagnetic model of the avian compass explain its outstanding sensitivity to magnetic noise?[J]. PLOS ONE,2017-01-01,12(3)

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