期刊
ACS APPLIED NANO MATERIALS
卷 6, 期 14, 页码 12828-12848出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.3c01539
关键词
nanoparticles; coatings; biocides; antifouling; biofilm; biofouling; nanoformulations
Biofouling is a serious concern in various settings and has led to the development of technologies such as toxic biocides and coatings. However, there are limitations due to environmental and health concerns. To overcome this, antifouling coatings using eco-friendly nanomaterials with antimicrobial and antibiofilm properties have been developed. This review provides an overview of these nanotechnology-enabled antifouling agents and their applications in different industries, along with the challenges and prospects.
Biofouling is a serious concern and can cause healthrisks andfinancial burdens in many settings such as maritime structures, medicaldevices, and water treatment plants. Many technologies employing toxicbiocides, antifouling toxic coatings, and chlorine have been establishedto prevent or impede biofouling. However, their applications are limiteddue to environmental and health concerns regarding biocides and coatingmaterials. To overcome this, novel antifouling coatings employingecofriendly, non-toxic nanomaterials and appreciable antimicrobialand antibiofilm properties have been developed. Due to intrinsic antimicrobialproperties, these antifouling nanocoatings have been proven to beeffective against several water-borne microorganisms. Various nanostructuresof metals (silver, copper, and gold), metal oxides (zinc oxide, titaniumoxide, copper oxide, and cerium oxide), carbon (graphene and carbonnanotubes), and metal nanocomposites inhibit the biocorrosion andbiofilm formation caused by bacteria. Besides, antifouling technologydeveloped based on nanocontainers releases key active substances thatpromote self-cleaning, anticorrosion, and antibiofilm properties.This review provides a comprehensive overview of nanotechnology-enabledantifouling agents developed to combat micro- and macrofouling phenomena.Moreover, the recent progress in the applications of antifouling coatingsin industrial sectors such as marine (ships), water-treatment plants,and medical devices is elaborated with relevant examples. The mechanisticinsights into the inhibitory action of bacterial cell growth and biofilmformation by antifouling nanocoatings are presented. The challengesassociated with developing antifouling nanoproducts, their practicallimitations, and prospects are also discussed.
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