Wan-Song Zhang

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OBJECTIVE To extract and identify semen-derived exosome using PEG6000. METHODS Exosomes were extracted from semen specimens from 6 healthy volunteers with step-by-step centrifugations and ultracentrifugation prior to 8% PEG6000 enrichment. The extracted exosomes were characterized by transmission electron microscopy (TEM), nanoparticle tracking analysis(More)
During the process large-scale XPath queries against fast XML streams on Internet, a bottleneck occurs due to the lack of memory for filtering. This paper presents an effective automaton method to reduce the memory need by diminishing the tedious operators (such as “//” and “*”) in XPath expressions. The method contains a product automata to convert XPath(More)
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