Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid
Patent
1992-04-10
1994-02-08
Scheiner, Toni R.
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving nucleic acid
435 4, 435 74, 435 792, 435 793, 436149, 436501, 436518, 436524, 436525, 436527, 436806, 436 87, 436 8202, 436 98, G01N 2704, G01N 33543, G01N 3353, C12Q 168
Patent
active
052847489
ABSTRACT:
A method is disclosed for detecting the occurrence of a binding or complex-forming reaction between specific substances by utilizing the binding reaction to modify an electrical circuit, and then measuring a change in the electrical state of the circuit. A diagnostic element useful in such a method includes a layer of a biogenic substance, such as an antigen, coated onto a non-conductive base between a pair of electrical conductors superposed on the base. Antibodies which react with the antigen are treated so that they become bound to particles. The particles having antibody bound thereto are then added to is the antigen lay e base and allowed to react therewith. The particles are thereby bound to the base due to the binding reaction between the antigen and antibody to thereby form aggregates of electrically conductive particles which modify the circuit. The particles are then selectively coated with a conductive substance. The method of the invention is highly useful for the detection of antigens and antibodies in the blood serum of a human patient.
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Mroczkowski Susan J.
Siegesmund Kenneth A.
Yorde Donald E.
Immunotronics, Inc.
Scheiner Toni R.
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