Wei-Jin Huang

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OBJECTIVE To investigate the characterization of the complete genome of EV71 in Beijing, 2008 and to provide basis for selecting appropriate virus strain to develop vaccine. METHODS 12 throat swab samples were collected from children with hand-foot-mouth disease (HFMD). One sample named 08YM-3 was cultured and isolated in vero cells. Viral RNA was(More)
OBJECTIVE To evaluate the multiplex nucleic acid testing (NAT) assays for HBV, HCV and HIV in detecting HBV DNA in plasma samples. METHODS 534 plasma samples collected form several areas were detected with Abbott Architect i2000 HBsAg, ani-HBs, HBeAg, anti-HBe, anti-HBc and anti-HBc IgM diagnostic kits. HBV DNA levels of those samples were detected with(More)
OBJECTIVE To compare and analyze the sensitivity, specificity of 4 domestic ELISA kits for detection of hepatitis B virus (HBV) markers (HBsAg, anti-HBs, HBeAg, anti-HBe, and anti-HBc). METHODS Five hundred and ninety four serum samples collected from patients with chronic hepatitis B and abnormal blood donors were detected for HBV markers and by 4(More)
OBJECTIVE To study the analytical sensitivity on 31 HBsAg enzyme immunoassy (EIA) test kits. METHODS Thirty one HBsAg EIA kits produced by domestic or overseas manufactories and applied for approval during May 2007 to May 2008, were evaluated using the national reference panels. The hyperbolic curve of the log A value and log concentration for the(More)
BACKGROUND To clone and express the ss1 recombinant gene containing S gene and preS1 (10-50 AA) gene in P. pastoris expression system. METHODS The fusion gene ss1 containing the S (1-222 AA) gene and preS1 (10-50 AA) gene was constructed with PCR method. The fusion ss1 gene was cloned into the expression vector of pPIC3.5k. The linear vector DNA was(More)
OBJECTIVE To evaluate anti-HEV diagnostic kits by experimental infecting rhesus monkeys with HEV. METHODS Eight rhesus monkeys were infected with genotype 1 and 4 HEV separately. The alanine aminotransferase (ALT) level of all monkeys were detected before and after the process of infection. HEV RNA in stool specimens was tested by reverse(More)
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