4.7 Article

Hydrothermal Fabrication of Spindle-Shaped ZnO/Palygorskite Nanocomposites Using Nonionic Surfactant for Enhancement of Antibacterial Activity

Journal

NANOMATERIALS
Volume 9, Issue 10, Pages -

Publisher

MDPI
DOI: 10.3390/nano9101453

Keywords

ZnO; palygorskite; antibacterial agent; hydrothermal; nonionic surfactants

Funding

  1. Major Projects of the Natural Science Foundation of Gansu, China [18JR5RA001]
  2. Funds for Creative Research Groups of Gansu, China [17JR5RA306]
  3. Major Projects of Science and Technology of Gansu, China [17ZD2GA018]

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In order to improve the antibacterial performance of natural palygorskite, spindle-like ZnO/palygorskite (ZnO/PAL) nanocomposites with controllable growth of ZnO on the surface of PAL were prepared in the presence of non-ionic surfactants using an easy-to-operate hydrothermal method. The obtained ZnO/PAL nanocomposites have a novel and special spindle-shaped structure and good antibacterial activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), and are also low cost. The minimum inhibitory concentrations of ZnO/PAL nanocomposites toward E. coli and S. aureus reached 1.5 and 5 mg/mL, respectively.

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