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Science 27 September 1963:
Vol. 141. no. 3587, pp. 1279 - 1280
DOI: 10.1126/science.141.3587.1279
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Articles

Photosensitizing Substance in Human Serum: Effect on HeLa Cells

Willis B. Wheeler 1 and Ariel C. Hollinshead 1

1 Department of Medicine, Warwick Memorial Clinic, George Washington University School of Medicine, Washington, D.C.

The destructive effects of blue and white light on HeLa cells grown in monolayers is described. Apparently, there is a photosensitizer in the human-serum component of the growth medium. The photosensitizer may be a compound containing riboflavin.

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