Solid-phase extraction of urinary 11-deh
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Asko Riutta; István Mucha; Heikki Vapaatalo
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Article
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1992
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Elsevier Science
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English
⚖ 837 KB
In this paper we elaborate a one-step procedure for the selective extraction of urinary 11-dehydrothromboxane B2 on octylsilyl silica cartridges for reliable determination with radioimmunoassay. The immunoreactivity profile of nonselectively extracted urine after HPLC separation showed that as much