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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Simple, rapid and sensitive determination of protionamide in human serum by high-performance liquid chromatography.

A simple high-performance liquid chromatography method has been developed that allows the sensitive determination of protionamide (2-n-propyl-pyridine-4-carboxylic acid thioamide, PTH) in human serum. After pretreatment of the serum with trichloroacetic acid (TCA) and centrifugation the supernatants were neutralized using NaHCO3. PTH was separated on a Kromasil 100 C4 column (acetonitrile-sodium tetraborate buffer pH 8-dibutylamine) and determined photometrically at 291 nm. The lower limit of quantification for 300 microl serum precipitated with 60 microl TCA and injection of 50 microl was 27 microg/l and linearity was observed up to 15 mg/l.[1]

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