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.

Date of Patent:
Jan. 15, 1991

Filed:

Dec. 07, 1989
Applicant:
Inventors:

Etsuo Watanabe, Kanagawa, JP;

Masakazu Hoshi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
20415312 ; 20415317 ; 2041532 ; 204403 ; 204415 ; 435817 ; 436806 ;
Abstract

A biosensor comprising a main body and a built-in sensing electrode provided therein, wherein said sensing electrode is provided with a sensing part to which a buffer solution can be constantly fed and said main body is provided with an inlet which is brought into direct contact with a specimen to thereby incorporate the molecule to be assayed from said specimen therethrough, said inlet being covered with a membrane through which the molecule to be assayed can permeate. This biosensor enables a specified molecule contained in a specimen to be rapidly and conveniently assayed without requiring any pretreatment of the specimen.


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