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Fluorescence staining of nuclear deoxyribonucleic acid allows for accurate assessment of the hamster egg penetration
I el-Danasouri1, A Milki, J Gebhardt
1Department of Gynecology and Obstetrics, Stanford University School of Medicine, Stanford, California.
Fertility and Sterility
|February 1, 1993
Abstract:
To improve the assessment of sperm penetration during the hamster penetration assay, we compared the Hoechst 33342 and 33258 DNA-specific fluorescent stains with the standard acetolacmoid stain. The fluorescence stains produced distinct staining of the DNA within the egg cytoplasm and nucleus, and this allowed for accurate and fast assessment of sperm penetration.