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:
Aug. 25, 1992
Filed:
Jan. 26, 1990
Richard N Zare, Stanford, CA (US);
Takao Tsuda, Palo Alto, CA (US);
The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);
Abstract
An apparatus and method useful for sample injection in capillary electrophoresis is disclosed. The apparatus comprises an interface device with capillary and tubing inserted therein. Sample is injected through the tubing into the interface and is thereafter introduced into the capillary column in which the capillary electrophoresis separation is performed. The apparatus introduces precise amounts of sample into the capillary and the interface can be designed for split flow or direct sample introduction. Employing the interface device, the injection method permits samples to be introduced into capillaries without the need to disengage or to alter the electric field. The method is suited for adaptation with autosamplers or auto-injection systems.