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:
Dec. 29, 2009
Filed:
Apr. 29, 2005
Kung-tien Liu, Lung-Tan, TW;
Jyh-perng Chiu, Lung-Tan, TW;
Hsuan-erh Chao, Lung-Tan, TW;
Ying-kai Fu, Lung-Tan, TW;
Kung-Tien Liu, Lung-Tan, TW;
Jyh-Perng Chiu, Lung-Tan, TW;
Hsuan-Erh Chao, Lung-Tan, TW;
Ying-Kai Fu, Lung-Tan, TW;
Abstract
The present invention provides a method for measuring and calibrating sample injection volume or mobile phase delivery rate of any type of micropumps or their integrated systems by using the direct proportion of the total activity (or mass) to the delivery rate (or volume) of a radiochemical nuclide with known activity in a certain time period. Also, the present invention may adjust the range of measurement and calibration from micro-liter (μL) to pico-liter (pL) or from μL/min to pL/min by selecting nuclide species and their concentrations from different liquid calibration radiation sources.