29 Jan

Aryl Phosphate Derivatives of Bromo-Methoxy-Azidothymidine: MATERIALS AND METHODS(5)

MATERIALS AND METHODS(5)

After incubation for 30 min at 37°C, duplicate aliquots were used for sperm motility assessment using CASA. The remaining sperm suspension was washed by the addition of fresh assay medium and centrifugation (500 X gfor 5 min). This supernatant was discarded, and the pellet was resuspended in fresh medium (without WHI compounds) to the original volume and reincubated. After 30 min at 37°C, duplicate aliquots were reassessed for sperm motion parameters by CASA. The results were expressed as the mean of two assessments and were compared to the sperm motion parameters of similarly processed sperm suspensions of motile sperm suspended in medium containing DMSO-only controls. birth control pills

Sperm Kinematic Parameters

For CASA, 4 ^l each of sperm suspension was loaded into two 20-^m Microcell chambers placed onto a counting chamber at 37°C. At least 5-8 fields per chamber were scanned for analysis using a Hamilton Thorne Integrated Visual Optical System (IVOS) version 10 instrument (Hamilton Thorne Research Inc., Danvers, MA). Each field was recorded for 30 sec. The Hamilton Thorne computer calibrations were set at 30 frames at a frame rate of 30 images/ sec.

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