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Analisi della metformina nel plasma umano mediante HPLC

Analisi della metformina nel plasma umano mediante HPLC

Aya Alabdali / Monther Faisal Mahdi

60,52 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Farmacología
ISBN:
9786208999193
60,52 €
IVA incluido
Disponible

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Il cloridrato di metformina è il più comune agente ipoglicemico orale. La concentrazione di metformina nel sangue deve essere misurata regolarmente nei pazienti diabetici per prevenire la tossicità da metformina e determinare l’aderenza al trattamento farmacologico. La tecnica delle carte con gocce di sangue essiccato (DBS) è stata utilizzata per ottenere campioni per l’analisi della metformina. È stata sviluppata una procedura HPLC semplice per la determinazione quantitativa della metformina nel plasma umano. La procedura prevede una fase stazionaria C-18 con una fase acquosa al 34% di acetonitrile e al 66%. La fase acquosa conteneva 10 mM di fosfato di potassio (KH2PO4) e 10 mM di sodio dodecil solfato (SDS), il pH era 5,3, con un rilevatore UV (impostato a 234 nm). La metformina è stata estratta con successo dal sangue essiccato mediante un’estrazione liquida semplice ed economica in un unico passaggio con metanolo al 100% per 2 minuti. Sono stati necessari solo 10 μL di sangue. Il recupero medio di metformina dal DBS è stato del 95%.

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