METAL ION SPECIFIC CAPACITY AFFINITY SENSOR

This invention relates to a metal ion specific capacitance sensor with exceptional sensitivity and wide operating range. It is versatile because different kinds of recognition elements can be immobilized directly in a self-assembling monolayer substantially completely covering the surface of the mea...

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Bibliographische Detailangaben
Hauptverfasser:	HOBMAN, JONATHAN, CORBISIER, PHILIPPE, BERGGREN, CHRISTINE, BROWN, NIGEL, LLOYD, JONATHAN, JAKEMAN, KENNETH, CSOEREGI, ELISABETH, VAN DER LELIE, DANIEL, MATTIASSON, BO, JOHANSSON, GILLIS, BONTIDEAN, IBOLYA, WILSON, JONATHAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBEMICROSCOPY [SPM] INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS SCANNING-PROBE TECHNIQUES OR APPARATUS TESTING
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Beschreibung
Zusammenfassung:	This invention relates to a metal ion specific capacitance sensor with exceptional sensitivity and wide operating range. It is versatile because different kinds of recognition elements can be immobilized directly in a self-assembling monolayer substantially completely covering the surface of the measuring noble metal electrode. The electrode then becomes selective to those metal ions in the solution that show affinity to the recognition element on the surface. Compared to previously described electrochemical sensors, the sensor according to the present invention shows many orders of magnitude better sensitivity because of the unique measuring principle.