Patent · US Expired

Flow cytometry-fluorescence measurements for characterizing sperm

US4559309A · kind A · utility

54Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 1, 1982
Grant dateDec 17, 1985
Priority date
Expiry dateSep 1, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/143333
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A process for characterizing sperm motility and viability by staining a sperm sample with Rhodamine 123 and ethidium bromide, and simultaneously measuring the sperm fluorescence emissions at green frequencies 515-575 nm and at red frequencies 600-650 nm, the green counts being correlated with sperm motility and the red counts being correlated with putative dying or dead cells. Additionally, a sample of sperm can be characterized as to type and normality by staining a sample of sperm with acridine orange and simultaneously measuring the sperm fluorescence emissions at green frequencies 515-575 nm and at red frequencies 600-650 nm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.