Jian-Bing Ma

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OBJECTIVE To explore and study the relationships between the popularity of HFMD and the climate in Qinhuangdao city. METHODS HFMD cases were collected on a ten-day basis in 2009 in Qinhuangdao city. At the same time, the data about Qinhuangdao's ten-day average temperature and average humidity were provided by the Qinhuangdao Meteorological bureau. Then(More)
Pif1 is a prototypical member of the 5' to 3' DNA helicase family conserved from bacteria to human. It has a high binding affinity for DNA, but unwinds double-stranded DNA (dsDNA) with a low processivity. Efficient DNA unwinding has been observed only at high protein concentrations that favor dimerization of Pif1. In this research, we used single-molecule(More)
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