Making good use of the byproducts of cultivation: green synthesis and antibacterial effects of silver nanoparticles using the leaf extract of blueberry

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Abstract
In this study, we made an effort to use blueberry leaves extract as a reducing and a capping agent to biosynthesize silver nanoparticles (AgNPs). The successful formation of AgNPs was confirmed with UV–visible spectroscopy, transmission electron microscopy, Fourier transform infrared spectroscopy and X-ray diffraction. Furthermore, their antimicrobial activities against four kinds of multi drug resistant clinical pathogens and aquatic pathogens were investigated. The results showed that as-prepared AgNPs exhibited broad-spectrum antibacterial activities. The antibacterial effects of the AgNPs based on the structural damage and DNA degradation of the tested bacteria were also studied. The green synthesis of AgNPs using blueberry leaf extract, which provided a new idea on the use of the byproducts of blueberry harvesting.
Funding Information
  • National Natural Science Foundation of China (31570649, 31470661, 31400447)
  • Key Research and Development Program of Shandong Province (2016GNC111016)
  • Project of Shandong Province Higher Educational Science and Technology Program (J15LE03)
  • Key Research and Development Program of Yantai (2016ZH059)

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