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United States Department of Agriculture

Agricultural Research Service

Title: Flow Cytometry Nozzle for High Efficiency Cell Sorting
See also: US Patent Office Full Record



Patent Number: 5985216
Docket Number: 6097
Serial Number: 8898999
Date Patented: 11/16/1999

Agency:
Agricultural Research Service
Date Filed:
July 24, 1997

Abstract:
The invention relates to a sorting nozzle which has two tapered zones with elliptical cross sections. The invention is able to orient and sort a large fraction of asymmetrical or “flattened” cells. This nozzle has a particular application for sorting viable male (Y) and female (X) sperm populations in a cell sorter.

Inventors:
Lawrence A. Johnson Glenn R. Welch
USDA, ARS, BA USDA, ARS, BA
Beltsville, MD 20705-2350 Beltsville, MD 20705-2350
(301) 504-8545 (301 504-8545
(301) 504-5123 (fax) (301) 504-5123 (fax)

Industry Keywords:

biomedical, genes, animal husbandry, biotechnology, veterinary, artificial insemination, chromosomes, sperm

Last Modified: 2/24/2014