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Abstract

A sensor comprising a membrane containing bacteriorhodopsin. In one embodiment, the sensor comprises a layer of purple membrane between a first and a second electrode, wherein the electrodes are connected to a circuit such that a signal is produced when a charge is transferred across the membrane. In another embodiment, the sensor comprises a field effect transistor with a layer of purple membrane deposited on the gate. The layer of purple membrane may be further functionalized by adding fluorophores to the layer of purple membrane. The fluorophores may be deposited adjacent to the layer of purple membrane, or the fluorophores may be attached to the layer of purple membrane with linkages. The fluorophores or linkages between the fluorophores and the purple membrane may be functionalized with receptors to produce sensors for targeted chemical or biological species.

Patent Number

8,551,407

Assignee

Michigan Technological University, Houghton, MI (US)

Application Number

12/325,718

Date Filed

12-1-2008

Certificate of Correction

No

Issue Date

10-8-2013

Disciplines

Biochemical and Biomolecular Engineering | Engineering | Membrane Science

Bacteriorhodopsin-based sensors

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