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:
Jun. 02, 1987

Filed:

Sep. 11, 1984
Applicant:
Inventors:

Yasuo Ishida, Mukoh, JP;

Michihiko Fujiwara, Kyoto, JP;

Toshio Kinoshita, Chigasaki, JP;

Noriyuki Nimura, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
436 90 ; 436 89 ; 436164 ; 436172 ;
Abstract

A method of amino acid analysis by reacting an amino acid-containing sample with o-phthalaldehyde and an N-protective group-substituted cysteine such as N-acetyl-L-cysteine under an alkaline condition to yield a fluorescent compound and measuring the intensity of fluorescence or absorbance of the resulting compound. The method is sensitive for quantitative and qualitative analysis of a secondary amino acid such as proline when it is beforehand subjected to an oxidation.


Find Patent Forward Citations

Ishida, Yasuo. (1987). Method of amino acid analysis (U.S. Patent No. 4670403). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4670403

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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