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. 17, 1994
Filed:
Jun. 09, 1992
Applicant:
Inventor:
Yoichi Shibata, Tokyo, JP;
Assignee:
Olympus Optical Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ; G01N / ;
U.S. Cl.
CPC ...
435174 ; 435-721 ; 435177 ; 435180 ; 435181 ; 435260 ; 436518 ; 436531 ; 436532 ;
Abstract
A method is provided for immobilizing and preserving an immunologically reactive antigen substance such as antigenic cells or non-cell bound antigens for use in solid-phase immunoassay. The antigen substance is adsorbed and crosslinked on a support and contacted with a protecting solution and containing sugar and an antiseptic substance such as NaN.sub.3. The antigen substance is preferably centrifugally contacted with the support to shorten the time for adsorption. Crosslinking is with a solution of 1.0 to 5.0% formaldehyde or 0.003 to 0.06% glutaraldehyde. The antigenic cells can be a blood component such as platelets.