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Science 24 August 1973:
Vol. 181. no. 4101, pp. 743 - 744
DOI: 10.1126/science.181.4101.743
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Articles

Detection of Charged Particles by Polymer Grafting

Michel M. Monnin 1 and George E. Blanford Jr. 1

1 Laboratoire de Physique Corpusculaire, Université de Clermont, 63170 Aubière, France

Tracks of fission fragments from a californium-252 source have been revealed by graft copolymerization. A 15 percent solution of propenoic (acrylic) acid monomer was reacted with irradiated cellulose triacetate for 24 hours at 55°C. Copolymer forms preferentially at the track sites and it can be dyed with rhodamine B because of its acid and hydrophylic properties. After the dyeing, the tracks were seen by using fluorescence microscopy.

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