title: SEPARATION OF POTASSIUM ISOTOPES IN VALONIA AND NITELLA.
abstract: The ratio of K(39) / K(41) appears to be lower in the sap of Valonia and Nitella than in the environment, indicating that the living cell can separate these isotopes to some extent. Experiments with a mixture of guaiacol and p-cresol suggest that a similar separation may occur here but further experiments are needed.
authors.affiliation: Laboratories of The Rockefeller Institute for Medical Research.
authors.forename: A G
authors.initials: AG
authors.lastname: Jacques