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We present the results of a study of the effects of chronic exposure to elevated ozone on the cytokinins of mature beech trees. Methods for analysing the cytokinin (CK) content of beech (FAGUS SYLVATICA) were developed using seven enzyme-linked immunosorbent assays (ELISAs). Samples taken during 2003 and 2004 from 10 mature beech trees in Kranzberg forest,(More)
Synopsis An established cytotoxicity test for plastic materials in medical devices has been adapted and used to assess the relative potential irritancy of cosmetic ingredients and formulations during product development. Serum-free medium containing a novel protein supplement supported growth in suspension of LS mouse fibroblast cells. Release of the vital(More)
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