The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 1992
Filed:
May. 01, 1987
William D Stanbro, Columbia, MD (US);
Kenneth W Hunter, Jr, Potomac, MD (US);
Arnold L Newman, Kensington, MD (US);
Biotronic Systems Corporation, Rockville, MD (US);
Abstract
An array of molecular chains is added to a dielectric material between two electrodes of a capacitive affinity sensor. Such an array of molecular chains greatly changes dielectric properties between the two electrodes to greatly enhance sensitivity of the sensor. In a sensor using direct binding, a viral fragment is bound to the sensor's surface. A molecular chain, comprising an anti-viral antibody, an anti-human antibody, and a protein molecule, binds to the viral fragment. In a sensor using competitive binding a hapten is bound to the sensor's surface. A molecular chain, comprising an antibody with attached aliphatic hydrocarbons, binds to the hapten. A free analyte competes with the hapten to bind with the antibody.