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Antibacterial zinc oxide (ZnO) nanoparticles doped with copper or magnesium
Antibacterial zinc oxide (ZnO) nanoparticles doped with copper or magnesium
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机译：铜或镁掺杂的抗菌氧化锌（ZnO）纳米颗粒
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摘要
A method for the manufacture of colloidal ZnO particles doped with Cu or Mg comprises the steps of (i) dissolving salts of Zn and Cu or Mg in an alcoholic solution, preferably methanol or ethanol, to form a reaction mixture (ii) heating, preferably to a temperature of 60 to 65°C, and stirring the reaction mixture until a clear solution is formed (iii) adding a basic solution, preferably KOH in methanol, at room temperature drop by drop with vigorous stirring and (iv) heating the reaction mixture, preferably for at least 22 hrs at 60 to 65°C. Preferably the precursor salts of Zn, Cu and Mg are selected from zinc acetate, copper acetate and magnesium nitrate. The ZnO nanoparticles doped with Cu or Mg may be spherical or rod shaped and may be further bound to a polymer. The antibacterial ZnO/Cu and/or ZnO/Mg particles may be used in pharmaceuticals, cosmetics, medicines, disinfectants, antibacterial coatings or in the manufacture of textiles or fibres.
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