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:
Nov. 23, 2021
Filed:
Sep. 11, 2018
City University of Hong Kong, Kowloon, HK;
A. L. Roy Vellaisamy, Kowloon, HK;
Chi-Chung Yeung, Sheung Shui, HK;
Shishir Venkatesh, Shatin, HK;
Hon-Wah Lam, Kowloon, HK;
City University of Hong Kong, Kowloon, HK;
Abstract
A method and an apparatus for determining a presence or an amount of a polyamine or its derivative in a sample, the method including: applying the sample on an electrochemical detector having a substance selection structure, wherein the substance selection structure is sensitive to the polyamine or its derivative; applying at least one voltage bias to the electrochemical detector; and detecting a change of electrical characteristics of the electrochemical detector so as to determine the presence or the amount of the polyamine or its derivative in the sample.