Yan-Li Zheng

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A rapid and sensitive method to detect three catecholamines, isoprenaline, epinephrine, and dopamine, by CE coupled with direct luminol-potassium periodate chemiluminescence (CL) detection is described. The conditions for CE separation and CL reaction were systematically optimized. Under the optimum conditions, the baseline separation of three(More)
The aim of this study was to identify the association of adiponectin gene single nucleotide polymorphism (SNP) 45TG with gestational diabetes mellitus (GDM) diagnosed on the new International Diabetes in Pregnancy Consensus Group (IADPSG) criteria, plasma adiponectin levels and adverse pregnancy outcomes in Han women of Nantong area in China. This(More)
A novel method for the determination of norfloxacin (NOR) and levofloxacin (LVX) was developed by CE separation and electrochemiluminesence detection (ECL). The methods for capillary conditioning and the effect of solvent type were studied. Parameters affecting the CE and ECL were also investigated. Under the optimum conditions, the two analytes were well(More)
OBJECTIVE To determine the role of IGF-1/PI3K pathway and investigate the molecular mechanism of Fuzhenghuayu (FZHY) therapy in a spontaneous recovery rat model of liver fibrosis. METHODS The liver fibrosis model was induced in male Wistar rats by administering 8 weeks of twice weekly CCL4 intraperitoneal injections without (untreated model) or with once(More)
A new and sensitive method for the determination of norepinephrine (NE), synephrine, and isoproterenol was developed by CE separation and indirect electrochemiluminescence detection (ECL) based on their quenching effects on the tris(2,2'-bipyridyl)-ruthenium(II)/tripropylamine (TPA) system. The conditions for CE separation and ECL detection were(More)
A capillary electrophoretic immunoassay with chemiluminescence detection (CEIA-CL) using a non-competitive format for analyzing tumor marker alpha-fetoprotein (AFP) has been developed. In this method, antigen (Ag) AFP reacts with an excess amount of horseradish peroxidase (HRP)-labeled antibody (Ab*). The free Ab* and the bound Ab*-Ag complex produced in(More)
A new and sensitive non-competitive immunoassay (IA) for tumor marker carbohydrate antigen 15-3 (CA15-3) by CE coupling with ECL detection has been developed. This method is based on luminol-H(2)O(2 )reaction catalyzed by horseradish peroxidase (HRP). The optimum CE separation and CL detection conditions were investigated. After the non-competitive(More)
A great quantity of gestational diabetes mellitus with normal prepregnancy body mass index have emerged with the new criteria of gestational diabetes mellitus in China based on the International Diabetes in Pregnancy Consensus group criteria, and understanding placental changes and how they affect outcomes are necessary in order to develop effective(More)
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