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Thin-layer chromatography of trinitrophenyl derivatives of amino acids in urine and plasma
  1. D. Philpott
  1. Department of Pathology, General Hospital, Northampton


    The preparation and separation by thin-layer chromatography of the trinitrophenyl derivatives of amino acids in plasma and urine is described. The semi-quantitative procedure presents a useful addition to existing methods for screening biological fluids for aminoacidopathies.

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