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3.
Biomed Mass Spectrom ; 4(3): 178-81, 1977 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-890078

RESUMO

A quantitative analysis of amino acids in microsamples of dried blood spots by chemical ionization mass spectrometry has been developed. Isotope ratio determination was used as the quantitating technique via multiple labelled internal standards. This procedure yields excellent precision and accuracy as demonstrated by the analysis of known amino acid mixtures and of phenylalanine in the blood from newborns.


Assuntos
Aminoácidos/sangue , Espectrometria de Massas/métodos , Humanos , Recém-Nascido , Fenilalanina/sangue , Fenilcetonúrias/sangue , Fenilcetonúrias/diagnóstico
11.
14.
J Chromatogr ; 62(1): 141-3, 1971 Oct 28.
Artigo em Inglês | MEDLINE | ID: mdl-5130011
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