Proposed biosensors based on time-dependent properties of magnetic fluids

Proposed biosensors based on time-dependent properties of magnetic fluids

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.

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Bibliographische Detailangaben
Veröffentlicht in:Journal of magnetism and magnetic materials 2001, Vol.225 (1), p.156-160
Hauptverfasser: Connolly, Joan, St Pierre, Timothy G.
Format: Artikel
Sprache:eng
Schlagworte:
Aqueous magnetic fluid
Biological and medical sciences
Biosensor
Biosensors
Biotechnology
Brownian rotation
Fundamental and applied biological sciences. Psychology
Hydrodynamic radius
Magnetic relaxation
Magnetic susceptibility
Methods. Procedures. Technologies
Various methods and equipments
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Beschreibung
Zusammenfassung: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.
ISSN:0304-8853
DOI:10.1016/S0304-8853(00)01245-2