Determination of total oncopterin, neopt
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Josef Tomandl; Jaroslava Tallova; Marie Tomandlova; Vladimir Palyza
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Article
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2003
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John Wiley and Sons
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English
β 199 KB
π 1 views
## Abstract A new, sensitive method for the determination of oncopterin, biopterin, and neopterin in human urine has been developed using SPE with 6,7βdimethylpterin as internal standard and gradient HPLC with fluorescence detection. SPE was tested for the preβtreatment of urine samples on differen