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23:10 Aug 12, 2006 |
Portuguese to English translations [Non-PRO] Medical: Pharmaceuticals / conclusão de pesquisa farmaceutica | |||||||
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| Selected response from: Luiza Modesto Brazil Local time: 03:59 | ||||||
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4 | ... we can conclude that the cosmetic formulation containing kinetin... |
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Discussion entries: 3 | |
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... we can conclude that the cosmetic formulation containing kinetin... Explanation: Deve ser isso, kinetin. Kinetin is a chemical analogue of cytokinins a class of plant hormone that promotes cell division. Kinetin was originally isolated by Miller and Skoog et al as a compound from autoclaved herring sperm DNA that had cell division-promoting activity. It was given the name kinetin because of its hability to induce cell division, provided that auxin was present in the medium. It was shown later that kinetin is an artifact produced from the deoxyadenosine residues in DNA, which degrade on standing for long periods or when heated during the isolation procedure. Although kinetin doesn't occur naturally in plants, it has strong cytokinin activity and is often used in plant tissue culture for inducing formation of callus (in conjunction with auxin) and to regenerate shoot tissues from callus (with lower auxin concentration). ***** Kinetin is also claimed to have dermatologic effects and is used in some cosmetics. ******* -------------------------------------------------- Note added at 1 hr (2006-08-13 00:14:45 GMT) -------------------------------------------------- http://en.wikipedia.org/wiki/Kinetin |
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