Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 225, Issue 1-2, Pages 156-160Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-8853(00)01245-2
Keywords
biosensor; aqueous magnetic fluid; magnetic susceptibility; Brownian rotation; magnetic relaxation; hydrodynamic radius
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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.
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