Synthesis and characterization of nanocrystalline CoWO4@silk fibers with antibacterial activity under ultrasound irradiation

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• 作者：Azadeh Azadbakht (3687)
  Amir Reza Abbasi (1687)
  Nourolah Noori (1687)
  Ezzat Rafiee (1687)
  Mojtaba Taran (2687)
  
• 关键词：CoWO4 ; Ultrasound ; Silk ; Nanostructure ; Antibacterial
• 刊名：Fibers and Polymers
• 出版年：2013
• 出版时间：April 2013
• 年：2013
• 卷：14
• 期：4
• 页码：687-692
• 全文大小：826KB
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• 作者单位：Azadeh Azadbakht (3687)
  Amir Reza Abbasi (1687)
  Nourolah Noori (1687)
  Ezzat Rafiee (1687)
  Mojtaba Taran (2687)
  
  3687. Department of Chemistry, Faculty of Science, Khorramabad Branch, Islamic Azad University, Khorramabad, Iran
  1687. Faculty of Chemistry, Razi University, Kermanshah, 67149, Iran
  2687. Microbiology Laboratory, Biology Department, Razi University, Kermanshah, 67149, Iran
  
• ISSN：1875-0052

文摘

The present investigation reports the novel synthesis of CoWO4 nanoparticles@silk fiber under ultrasound irradiation. The effect of temperature, power of ultrasound irradiation and sequential dipping steps in growth of the CoWO4 particles were studied. Results show a decrease in the particles size as the temperature and power of irradiation decreased. The fibers containing CoWO4 nanoparticles were tested for their antibacterial efficacy against E. coli and S. aureus and were found to possess significant antibacterial activity. The results show the CoWO4 nanoparticles@silk with strongest fluorescence characteristics can be obtained in this method. The physicochemical properties of the nanoparticles were determined by X-ray diffraction (XRD), scanning electron microscopy (SEM) and fluorescence spectroscopy.