Photosensitizing Substance in Human Serum: Effect on HeLa Cells

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Science  27 Sep 1963:
Vol. 141, Issue 3587, pp. 1279-1280
DOI: 10.1126/science.141.3587.1279


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.