Evaluation of mesoporous CrB particles synthesized via sol-gel method as potential antibacterial interior paint nano-additive

IF 3.2 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS Journal of Sol-Gel Science and Technology Pub Date : 2024-11-26 DOI:10.1007/s10971-024-06625-0

Bilge Coşkuner Filiz, Yeliz Basaran Elalmis, Melda Altıkatoğlu Yapaöz, Aysel Kantürk Figen

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Abstract

Antibacterial particles are increasingly explored as additives to improve the health and safety properties of interior paints. This report introduces evaluation of CrB particles as an potential antibacterial additive into paints. The CrB particles were synthesized by sol-gel method in presence of chrome salt, citric acid as alkoxide agent and boric acid precursor followed by nitrate combustion process. The effect of elemental ratio (Cr:B = 1:3 and 3:1) and calcination process (250–550 °C) on the antibacterial activity of the particles were investigated against gram negative Escherichia coli (E. coli, ATCC 25922) and gram positive Staphylococcus aureus (S. aureus, ATCC 25923). Statistical analysis of antibacterial activity results and synthesis parameters via interaction plots and ANOVA analysis indicated that lower Cr:B ratio (Cr:B = 1:3) and higher calcination temperature (550 °C) resulted in improved particle activity over both gram negative and positive bacteria growth. The amorphous Cr₁B₃@550 codded particles with structural characteristics of 47 m²/g surface area, 12 nm pore size and 150 µm accumulated particles with 50 nm size were used as antibacterial additives for wall paint, which improved antibacterial activity performance by %75 for S. aureus and %63 for E. coli.

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评估通过溶胶-凝胶法合成的介孔 CrB 粒子作为抗菌内墙涂料纳米添加剂的潜力

抗菌颗粒作为提高室内涂料卫生安全性能的添加剂，得到了越来越多的探索。本文介绍了CrB颗粒作为涂料中潜在的抗菌添加剂的评价。以铬盐、柠檬酸为醇氧剂、硼酸为前驱体，采用溶胶-凝胶法制备了CrB颗粒。考察了元素比（Cr:B = 1:3和3:1）和焙烧工艺（250 ~ 550℃）对颗粒对革兰氏阴性大肠杆菌（E. coli, ATCC 25922）和革兰氏阳性金黄色葡萄球菌（S. aureus, ATCC 25923）抑菌活性的影响。通过相互作用图和方差分析对抗菌活性结果和合成参数进行统计分析表明，较低的Cr:B比（Cr:B = 1:3）和较高的焙烧温度（550℃）对革兰氏阴性菌和阳性菌的生长活性均有提高。将结构特征为47 m2/g表面积、12 nm孔径、150µm粒径、50 nm粒径的无定形编码颗粒Cr1B3@550作为墙体涂料的抗菌添加剂，对金黄色葡萄球菌和大肠杆菌的抗菌性能分别提高了75%和63%。图形抽象

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来源期刊

Journal of Sol-Gel Science and Technology 工程技术-材料科学：硅酸盐

CiteScore

4.70

自引率

4.00%

发文量

280

审稿时长

2.1 months

期刊介绍： The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.