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. 29, 2018
Filed:
Feb. 01, 2016
Applicant:
City University of Hong Kong, Kowloon, HK;
Inventor:
Hon-Wah Lam, Kowloon, HK;
Assignee:
CITY UNIVERSITY OF HONG KONG, Kowloon, HK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 33/00 (2006.01); G01N 33/12 (2006.01); C07F 15/02 (2006.01); G01N 21/78 (2006.01); G01N 31/22 (2006.01);
U.S. Cl.
CPC ...
G01N 33/12 (2013.01); C07F 15/02 (2013.01); G01N 21/783 (2013.01); G01N 31/223 (2013.01); G01N 33/0047 (2013.01); G01N 33/0054 (2013.01);
Abstract
A chemosensing hydrogel is provided that undergoes a colorimetric reaction in response to the detection of a biogenic amine vapor, such as a biogenic amine vapor that is a by-product resulting from food spoilage. In an embodiment, an apparatus for detection of biogenic amines, is provided that includes a hydrogel having a bimetallic iron(II)-iron(III) complex disposed within the hydrogel, wherein the hydrogel is configured to change from a first color to a second color in response to exposure to a biogenic amine.