4.6 Article

Iron-based nano-structured surfaces with antimicrobial properties

期刊

JOURNAL OF MATERIALS CHEMISTRY B
卷 8, 期 44, 页码 10146-10153

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0tb01941k

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资金

  1. Institute of Bioengineering and Nanotechnology
  2. Biomedical Research Council
  3. Agency for Science, Technology and Research
  4. National Research Foundation (NRF), the Prime Minister's Office, Singapore [NRF-CRP19-2017-02]

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Bactericidal nanopillar arrays on cicada wings represent a non-toxic antimicrobial technology as they work through physical cell rupture instead of a chemical mechanism. Here, we reported iron-based nanopillar arrays (FeOOH and Fe2O3) that can grow on various substrates by a simple solution method. These surfaces showed good structure-based antimicrobial activity. Even more simply, we have prepared urchin-type FeOOH and Fe2O3 particles, which can be easily coated onto various substrates to create structure-based disinfection surfaces. This work provides a simple and general methodology to apply this killed-by-structure technology for real world uses.

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