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Three new type of single crystallite PbBiO2X (X=Cl, Br and I) square-like nanoplates with several hundreds nanometers in length are synthesized via a simple hydrothermal method. The band structure and hehavior of charge carriers for the nanoplates are investigated experimentally and theoretically. The halogen elements are closely related to the indirect narrow band gap(2.61eV, 2.51eV and 2.38eV for...
Whether or not treatment with antibiotics or probiotics for bacterial vaginosis (BV) is associated with a change in the diversity of vaginal microbiota in women was investigated. One hundred fifteen women, consisting of 30 healthy subjects, 30 BV-positive control subjects, 30 subjects with BV treated with a 7-day metronidazole regimen, and 25 subjects with BV treated with a 10-day probiotics regimen,...
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