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Science 11 September 1959:
Vol. 130. no. 3376, pp. 624 - 625
DOI: 10.1126/science.130.3376.624
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Articles

Effect of Light on Motility, Life-Span, and Respiration of Bovine Spermatozoa

CHARLES NORMAN 1 and ERWIN GOLDBERG 1

1 Department of Biology, West Virginia University, Morgantown

Exposure to light of bovine spermatozoa suspended in various media results in a progressive decline in metabolic activity followed by the premature death of the cells. The inhibitory and spermicidal effects of visible light resemble a photodynamic action; the photosensitizer is an intrinsic component of the cell.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)