Aboul-Enein HY, Abu-Zaid S. High performance liquid chromatography analysis of 9-(2',3'-dideoxy-2'beta-fluoro-D-threo-penta furanosyl) adenine and its metabolite in human plasma using solid-phase extraction on a polyfluorinated reversed stationary phase.
Biomed Chromatogr 2001;
15:267-70. [PMID:
11438969 DOI:
10.1002/bmc.70]
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Abstract
A quick and sensitive reversed-phase HPLC method has been developed for the analysis of 2'-beta -fluoro-2',3'-dideoxy adenosine (F-ddA), the acid-stable anti-AIDS drug, and its metabolite 2'-fluoro-2',3'-dideoxy inosine (F-ddI) in human plasma using polyfluorinated stationary phase column (Fluo fix, 15 cm, 4.0 mm i.d., 5 microm particle size). The mobile phase consisted of ammonium phosphate buffer solution (10 mM) adjusted with phosphoric acid 85% to pH 6.8:dimethyl formamide (97:3, v/v). F-ddA and F-ddI were monitored by UV-visible detector at 258 and 247 nm, respectively. The recoveries of F-ddA and F-ddI from plasma using a C(18) solid-phase extraction cartridge were 99.2% and 99.7%, respectively.
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