紫外线辐射玻璃:在透明表面抑制生物膜的有效策略

IF 5.9 Q1 MICROBIOLOGY Biofilm Pub Date : 2024-02-28 DOI:10.1016/j.bioflm.2024.100186
Leila Alidokht , Katrina Fitzpatrick , Caitlyn Butler , Kelli Z. Hunsucker , Cierra Braga , William A. Maza , Kenan P. Fears , Marieh Arekhi , Mariana Lanzarini-Lopes
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引用次数: 0

摘要

海洋生物污垢会造成严重的环境问题,并对海运业产生不利影响。窗户和光学设备上的生物污垢降低了表面透明度,限制了它们在现场监测或连续测量中的应用。这项研究表明,紫外线辐射玻璃 (UEG) 可以防止生物膜在受光表面上形成和生长。具体来说,本文介绍了如何通过用光散射颗粒对玻璃表面进行创新性改性来实现 UEG。用浓度为 26.5 μg/cm2 的二氧化硅纳米粒子对玻璃表面进行改性后,紫外线辐照度增加了十倍以上,同时保持了令人满意的可见光和红外线透明度指标(超过 99%)。在美国佛罗里达州卡纳维拉尔港浸没 20 天期间,与对照组相比,UEG 使可见生物生长减少了 98%,检测到的菌落形成单位减少了 1.79 log。这些研究结果有力地证明,紫外线辐射玻璃是抑制透明表面生物膜的有效方法。
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UV emitting glass: A promising strategy for biofilm inhibition on transparent surfaces

Marine biofouling causes serious environmental problems and has adverse impacts on the maritime industry. Biofouling on windows and optical equipment reduces surface transparency, limiting their application for on-site monitoring or continuous measurement. This work illustrates that UV emitting glasses (UEGs) can prevent the establishment and growth of biofilm on the illuminated surfaces. Specifically, this paper describes how UEGs are enabled by innovatively modifying the surfaces of the glass with light scattering particles. Modification of glass surface with silica nanoparticles at a concentration 26.5 μg/cm2 resulted in over ten-fold increase in UV irradiance, while maintaining satisfactory visible and IR transparency metrics of over 99 %. The UEG reduced visible biological growth by 98 % and resulted in a decrease of 1.79 log in detected colony forming units when compared to the control during a 20 day submersion at Port Canaveral, Florida, United States. These findings serve as strong evidence that UV emitting glass should be explored as a promising approach for biofilm inhibition on transparent surfaces.

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来源期刊
Biofilm
Biofilm MICROBIOLOGY-
CiteScore
7.50
自引率
1.50%
发文量
30
审稿时长
57 days
期刊介绍:
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