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  • Author or Editor: Imre Lengyel x
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Thin-layer chromatography has been used to monitor formaldehyde production during in-vivo metabolism of (−)-deprenyl. Formaldehyde was reacted with dimedone to yield its dimedone adduct, formaldemedone. Determination of 14 C-labeled formaldemedone was performed by planar displacement chromatography. The separated bands were detected either by digital autoradiography or on X-ray film after contact autoradiography. Two-dimensional separations have improved the evaluation.

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