H.-L. Wu

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Group B Streptococcus (GBS) is one of the major pathogens of severe newborn sepsis and meningitis. Understanding its regional molecular epidemiology is helpful for regulating efficient prevention practice. A total of 160 GBS strains were collected from colonized pregnant women in six hospital settings in Beijing, China. Polymerase chain reaction (PCR)(More)
Hepatic steatosis affects disease progression in patients with chronic hepatitis C virus (HCV) infection. We investigated the plasma sphingolipid profile in patients with chronic hepatitis C (CHC) and whether there was an association between HCV-related steatosis and plasma sphingolipids. We used high-performance liquid chromatography–tandem mass(More)
The volatile oil yields and compositions of Magnolia zenii flower at different growth stages had significant differences. Moreover, the yields was influenced by the density of cells and degree of oil accumulation. To investigate the variations of the contents and chemical compositions of volatile oil in Magnolia zenii flower, gas chromatography–mass(More)
An increase in Ca 2+ concentration in the nucleus may activate the PCD of secretory cavity cells, and further Ca 2+ accumulation contributes to the regulation of nuclear DNA degradation. Calcium plays an important role in plant programmed cell death (PCD). Previously, we confirmed that PCD was involved in the degradation of secretory cavity cells in Citrus(More)
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