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  • 标题:Synthesis of fluorapatite nanopowders by a surfactant-assisted microwave method under isothermal conditions
  • 作者:Stanić, Vojislav Đ. ; Adnađević, Borivoj K. ; Dimitrijević, Suzana I.
  • 期刊名称:Nuclear Technology and Radiation Protection
  • 印刷版ISSN:1451-3994
  • 出版年度:2018
  • 卷号:33
  • 期号:2
  • 页码:180-187
  • DOI:10.2298/NTRP1802180S
  • 出版社:VINČA Institute of Nuclear Sciences
  • 摘要:Fluorapatite nanopowders with different amounts of fluoride ions were prepared using the surfactant-assisted microwave method under isothermal conditions. Microwave irradiation was applied for the rapid formation of crystals. A micellar solution of polyoxyethylene (23) lauryl ether was used as a regulator of nucleation and crystal growth. Characterization studies from X-ray diffraction, field-emission scaning electron microscopy and Fourier-transform infrared spectra showed that crystals have an apatite structure and particles of all samples are nano size, with an average length of 50 nm and about 15-25 nm in diameter. Antimicrobial studies have demonstrated that synthesized fluorapatite nanopowders exhibit activity against tested pathogens: Escherichia coli, Staphylococcus aureus and Candida albicans. Activity increased with the amount of fluoride ions. The synthesized fluorapatite nanomaterials are promising as materials in environmental protection and medicine for orthopedics and dental restorations. [Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. III 43009]
  • 关键词:fluorapatite; microwave processing; nanopowder; environmental protection
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