The Effect of X-Rays on Hair


IN NATURE of May 2, Messrs. Asprey and Woods, writing on the subject of the molecular weights of proteins, mention that they have recently been doing some work on the effect of X-rays on the elastic and other properties of animal hair. They state that, after exposing unstretched wool for sixty hours to the full beam of a Shearer X-ray tube, the fibres show many of the properties characteristic of wool which has been exposed in a stretched state to the action of steam. They refer the effect to the disruptive action of high-energy quanta on the length and adhesion of peptide chains, and mention that it must be closely related to the influence of various radiations on biological activity.

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RUSS, S. The Effect of X-Rays on Hair. Nature 127, 894 (1931).

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