نتایج جستجو برای: suboptimal

تعداد نتایج: 19745  

Journal: :The Journal of nutrition 2014
Zia Fazili Maya R Sternberg Neelima Paladugula Ralph D Whitehead Huiping Chen Christine M Pfeiffer

BACKGROUND Maintaining folate stability during sample handling is important, yet challenging. OBJECTIVE We investigated the effects of suboptimal preanalytical conditions on serum folate stability. METHODS By using an HPLC-tandem MS method we measured folates [5-methyltetrahydrofolate (5-methylTHF), folic acid, MeFox (5-methylTHF oxidation product, pyrazino-s-triazine derivative of 4α-hydro...

Journal: :Applied and Environmental Microbiology 1990

Journal: :DEStech Transactions on Engineering and Technology Research 2017

Journal: :Journal of Mathematical Analysis and Applications 1984

Journal: :Transactions of the Society of Instrument and Control Engineers 1971

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