Formation of CuO nano-flowered surfaces via submerged photo-synthesis of crystallites and their antimicrobial activity.

Abstract:

:We report the fabrication of flower-like CuO nanostructured surfaces via submerged photo-synthesis of crystallites (SPSC), which requires only UV illumination in neutral water. In this paper, we discuss the reaction mechanism of the photochemical formation of the SPSC-fabricated CuO nanostructures in detail based on surface microstructural analyses and a radiation-chemical consideration with additional gamma-ray irradiation. Since the SPSC method for surface nanostructural fabrication can work at low temperatures at atmospheric pressure without using harmful substances, it is a potential fabrication method for green nanotechnology applications. In this vein, the antibacterial activity of the nano-flowered CuO surfaces was tested against Gram-positive (Staphylococcus aureus) bacteria and Gram-negative (Escherichia coli K12) bacteria, and the results demonstrate that the nano-flowered CuO nanostructures act as an effective antimicrobial agent.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Nishino F,Jeem M,Zhang L,Okamoto K,Okabe S,Watanabe S

doi

10.1038/s41598-017-01194-5

subject

Has Abstract

pub_date

2017-04-21 00:00:00

pages

1063

issue

1

issn

2045-2322

pii

10.1038/s41598-017-01194-5

journal_volume

7

pub_type

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