Zheng-cui Wu

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After nano-particles (ZnO) had been encapsulated by a kind of water-soluble cellulose Hydoxyl-Propyl-Methyl Cellulose (HPMC), then methyl methacrylate was grafted onto the surface of them. Thus the surface of nano-ZnO had been successfully modified. FTIR, DTA and TEM were utilized to confirm the results. FTIR shows that HPMC was adsorbed onto the surface of(More)
Nanocrystalline silver sulfide was successfully synthesized at room temperature and ambient pressure via a novel, safe, convenient and inexpensive redox reaction, using silver oxide, sulfur and polyformaldehyde as reactants and ethylenediamine as solvent. The products were characterized with XPS, XRD and TEM. XRD spectrum demonstrates a monoclinic Ag2S; TEM(More)
Nonsteroidal antiinflammatory drug, probenecid, was covalently linked with 2-hydroxyethyl methacrylate (HEMA). The drug linked HEMA(abbreviated as HP) can be copolymerized with methy methacrylate (MMA) to obtain polymeric drug nanomicrospheres in ethanol/water system. Polymers were characterized with 1H-NMR, FTIR, GPC and TEM. The results showed that(More)
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