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. 16, 2020

Filed:

Nov. 12, 2018
Applicant:

Roche Molecular Systems, Inc., Pleasanton, CA (US);

Inventors:

Ashraf Wahba, Hayward, CA (US);

William Nielsen, San Jose, CA (US);

Jing Luo, Daly City, CA (US);

Kevin Aliado, Sunnyvale, CA (US);

Kyle Umeda, Saratoga, CA (US);

Roger J.A. Chen, Saratoga, CA (US);

Assignee:

Roche Molecular Systems, Inc., Pleasanton, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/327 (2006.01); C12Q 1/6869 (2018.01); G01N 33/487 (2006.01);
U.S. Cl.
CPC ...
C12Q 1/6869 (2013.01); G01N 33/48721 (2013.01);
Abstract

A method of detecting a lipid bilayer formed in a cell of a nanopore based sequencing chip is disclosed. An integrating capacitor is coupled with a lipid membrane, wherein the lipid membrane is between a working electrode and a counter electrode. An alternating current (AC) voltage is applied to the counter electrode. A voltage across the integrating capacitor is periodically sampled by an analog-to-digital converter (ADC). A change in the sampled voltage across the integrating capacitor in response to a change in the AC voltage is determined. Whether the lipid membrane comprises a lipid bilayer is detected based on the determined change in the sampled voltage across the integrating capacitor in response to the change in the AC voltage.


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