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Objective The aim of this study is to establish lipoprotein-associated phospholipase A2 (Lp-PLA2) reference intervals (RIs) in healthy Chinese Han adults as a clinical diagnostic indicator according to the Clinical and Laboratory Standards Institute (CLSI) C28-A3 guidelines. Design and methods Lp-PLA2 levels in 763 healthy Chinese Han subjects (392 males and 371 females) were determined by colorimetric...
A soil fulvic acid isolated from a northern coniferous forest (NCFA) was fractionated by ultrafiltration into three different molecular sizes ranging from less than 500 to 10 000 daltons. The conformation changes of this soil fulvic acid, NCFA, and its molecular weight (MW) fractions were studied using fluorescence polarization as a function of pH and concentration of added ionic inorganic aluminum...
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