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Handbook of derivatives for chromatography
Partial table of contents: Esterification (K. Blau & A. Darbre). Advances in Silylation (R. Evershed). Derivative Formation by Ketone-Base Condensation (R. Brandenberger & H. Brandenberger). ColoredExpand
Deprenyl is metabolized to methamphetamine and amphetamine in man.
Determination of phenylalanine in filter paper blood spots by a simplified automated fluorimetric method without dialysis.
  • K. Blau
  • Chemistry, Medicine
  • Clinica chimica acta; international journal of…
  • 11 April 1983
TLDR
The method presented here saves having to obtain a dialyser, and avoids problems associated with dialysis, while giving all the advantages of automated fluorimetric phenylalanine determination. Expand
Aromatic acid excretion in phenylketonuria. Analysis of the unconjugated aromatic acids derived from phenylalanine.
  • K. Blau
  • Chemistry, Medicine
  • Clinica chimica acta; international journal of…
  • 1970
TLDR
Mandelic acid has been identified as a regular excretion product in uncontrolled phenylketonuria and may be obtained from fresh urine or from urine applied to filter paper strips and dried. Expand
Chromatographic methods for the study of amines from biological material.
  • K. Blau
  • Chemistry, Medicine
  • The Biochemical journal
  • 1 July 1961
Gas chromatography of volatile amino acid derivatives. IV. Mixed stationary phases for the separation of N-trifluoroacetylated amino acid n-amyl esters.
A gas chromatographic separation of the trifluoroacetylated n-amyl esters of α-amino-isobutyric acid, alanine, valine, threonine, glycine, isoleucine, leucine, β-amino-n-butyric acid and serine inExpand
Monoamine metabolites and related compounds in human amniotic fluid: assay by gas chromatography and gas chromatography-mass spectrometry.
TLDR
Assay of 4-hydroxy-3-methoxyphenylglycol in amniotic fluid is likely to be of diagnostic importance in the prenatal diagnosis of congenital neuroblastoma. Expand
Phenethylamines in brain and liver of rats with experimentally induced phenylketonuria-like characteristics.
TLDR
Phenethylamines extracted from brain and liver of rats with phenylketonuria-like characteristics produced in vivo by inhibition of phenylalanine hydroxylase were investigated, and the content of phenethylamine was highest in the striatum. Expand
Separation and quantification of urinary di- and polyamines by gas chromatography with electron capture detection.
TLDR
A sensitive and specific gas chromatographic assay procedure employing electron capture detection has been developed for the assay of free and total di- and polyamines in human urine, and normal urinary output values calculated using this method agree well with those noted by other workers. Expand
GAS CHROMATOGRAPHY OF VOLATILE AMINO ACID DERIVATIVES. I. ALANINE, GLYCINE, VALINE, LEUCINE, ISOLEUCINE, SERINE AND THREONINE.
TLDR
Methods for the preparation of volatile derivatives of amino acids, which permits analysis by gas chromatography, were described, and no single phase capable of achieving complete and unequivocal resolution was found. Expand
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