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Urinary NO2− and NO3− evaluation by an ion chromatography system

✍ Scribed by Lorenzo Calo; Salvatore Cantaro; Dino Paleari; Daniela Vianello; Francesca Zerbo; Luciana Bonfante; Silvana Favaro; Augusto Antonello; Angela D'Angelo

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 38 KB
Volume: 12
Category: Article
ISSN: 0269-3879
DOI: 10.1002/(sici)1099-0801(199803/04)12:2<97::aid-bmc734>3.0.co;2-#

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✦ Synopsis

We describe an ion chromatography system using a Dionex AS4A-SC column with carbonate-bicarbonate buffer (1.8-1.7 mM) as eluent for the evaluation of urinary NO 2 Ϫ and NO 3 Ϫ . This chromatographic system gives an accurate measurement of NO 2 Ϫ and NO 3 Ϫ in the urine as an index of NO production in vivo, making also possible to evaluate their relative proportion and providing useful tools to investigate the NO system.

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