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. 31, 2004
Filed:
Jan. 23, 2002
Applicant:
Inventor:
Emmanuel C. Opara, Durham, NC (US);
Assignee:
Duke University, Durham, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 1/110 ; C12N 1/104 ; C12N 5/02 ; C12N 5/06 ; A61K 3/512 ;
U.S. Cl.
CPC ...
C12N 1/110 ; C12N 1/104 ; C12N 5/02 ; C12N 5/06 ; A61K 3/512 ;
Abstract
Methods of treating and forming biocompatible microcapsules that contain living cells are provided, to improve the function of the microcapsules. In particular, methods of treating islet cells or microcapsules containing islet cells are provided. Culture of isolated islet cells prior to encapsulation, culture of encapsulated cells, and cryopreservation of islet cells prior to encapsulation, are described. Methods for harvesting viable islets that incorporates an anti-oxidant in the digestion medium are also disclosed.