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:
Apr. 05, 2016

Filed:

Feb. 27, 2013
Applicant:

Shimadzu Corporation, Kyoto-shi, Kyoto, JP;

Inventor:

Akihiro Arai, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 3/08 (2006.01); B08B 3/04 (2006.01); B08B 9/00 (2006.01); C11D 7/50 (2006.01); C11D 7/26 (2006.01); C11D 7/28 (2006.01); C11D 7/34 (2006.01); C11D 11/00 (2006.01); B01L 3/00 (2006.01); G01N 27/447 (2006.01); G01N 30/60 (2006.01);
U.S. Cl.
CPC ...
C11D 7/5022 (2013.01); B08B 3/04 (2013.01); B08B 3/08 (2013.01); B08B 9/00 (2013.01); C11D 7/265 (2013.01); C11D 7/28 (2013.01); C11D 7/34 (2013.01); C11D 7/5004 (2013.01); C11D 7/5013 (2013.01); C11D 11/0023 (2013.01); B01L 3/502753 (2013.01); G01N 27/44791 (2013.01); G01N 30/6095 (2013.01);
Abstract

The present invention provides a cleaning method by which the performance of a microchip can be recovered and a cleaning liquid. A method for cleaning a microfluidic device comprising: cleaning a channel that is formed in the microfluidic device, has a surface having a polymer coating, and has been brought into contact with a sample containing nucleic acid and/or protein, by bringing the channel into contact with a cleaning liquid comprised only of an organic solvent having solubility in at least the same volume of water at 25° C., or a cleaning liquid containing 50 vol % or more of the organic solvent in a buffer solution. The method wherein the buffer solution has a pH of 8 to 10. The method wherein the buffer solution further contains 3 to 8M of a protein denaturant. The method wherein the buffer solution has a pH of 2 to 4.


Find Patent Forward Citations

Loading…