Proposed biosensors based on time-dependent properties of magnetic fluids

被引:122
作者
Connolly, J [1 ]
St Pierre, TG [1 ]
机构
[1] Univ Western Australia, Dept Phys, Biophys Programme, Nedlands, WA 6097, Australia
关键词
biosensor; aqueous magnetic fluid; magnetic susceptibility; Brownian rotation; magnetic relaxation; hydrodynamic radius;
D O I
10.1016/S0304-8853(00)01245-2
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A new method of detection of biomolecules in aqueous solution is proposed. The method is based on the detection of shifts in the frequency-dependent magnetic susceptibility of magnetic colloids due to increase in hydrodynamic radius on specific binding with biomolecules. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:156 / 160
页数:5
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