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Articles by Xiao Han
Total Records ( 2 ) for Xiao Han
  Falong Yang , Xiao Han , Cheng Tang and Hua Yue
  Mycoplasma ovipneumoniae is associated with atypical pneumonia in sheep and goats. Traditional detection of M. ovipneumoniae can be complex owing to its slow growth and fastidious nutritional requirements. In present study, researchers developed a PCR Assay Method for specific and sensitive detection of M. ovipneumoniae using primers targeting the heat shock protein 70 gene (hsp70). The results demonstrated that the hsp70 gene-based PCR is specific by producing an amplicon of 135 bp only with M. ovipneumoniae strains. The detection limit is 4.4 pg which is 10 times more sensitive than the existing 16S rDNA-based PCR. The hsp70 gene-based PCR also demonstrated a higher detection rates for both nasal swabs and lung tissues when comparing with 16S rDNA-based PCR.
  Zhong- Lu You , Xiao Han , Peng Zhou and Lin Zhang
  A new Schiff-base ligand 2-bromo-4-chloro-6-(cyclopropyliminomethyl)phenol and its zinc(II) complex have been synthesized and characterized by elemental analyses, infrared spectroscopy, 1H NMR, 13C NMR, and single crystal X-ray determinations. The ligand and the complex crystallized in the space groups Pnma and P21/c, respectively. In the complex, the Zn atom is four-coordinate tetrahedral coordination with two imine N and two phenolate O atoms from two Schiff-base ligands. The bond lengths related to the donor atoms in the complex are different from those in the ligand. The coordination of the ligand to the zinc also was supported by IR spectra.
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