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Science 9 December 1966:
Vol. 154. no. 3754, pp. 1327 - 1329
DOI: 10.1126/science.154.3754.1327
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Articles

Reversible Inactivation of Aged Solutions of Indolyl-3-Acetic Acid

A. A. Bitancourt 1

1 Plant Cancer Research Center, Instituto Biolóico, São Paulo, Brazil

Aqueous solutions of indole-3-acetic acid are inactivated by standing for a variable period of time. Inactivation results from conversion by oxidation of the plant hormone to polymerized deuterauxin, which is depolymerized by boiling of the solution, which restores activity.

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