材料科学
钛酸钡
傅里叶变换红外光谱
扫描电子显微镜
纳米颗粒
透射电子显微镜
核化学
抗菌剂
化学工程
硝酸银
生物膜
二氧化钛
钡
抗菌活性
纳米技术
细菌
有机化学
化学
陶瓷
冶金
复合材料
工程类
遗传学
生物
作者
Aadil Abass Shah,Afroz Khan,Sourabh Dwivedi,Javed Musarrat,Ameer Azam
标识
DOI:10.1016/j.matlet.2018.06.107
摘要
In this research work, barium titanate nanoparticles (BaTiO3 NPs) were prepared by a co-precipitation method using barium nitrate and titanium dioxide precursors. The structural and morphological studies of the NPs were carried out by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM) and Transmission electron microscopy (TEM). The XRD pattern confirmed the formation of the BaTiO3 NPs having an average size less than 100 nm. BaTiO3 NPs were also evaluated for their efficacy against the human pathogenic bacteria. Significant antimicrobial and antibiofilm activities of BaTiO3 NPs were observed against P. aeruginosa and S. aureus clinical isolates. Results presented in this work confirm that BaTiO3 NPs can control the growth of biofilm formation activities of pathogenic bacteria at very low concentration and hence suggests their use as alternative antimicrobial agents. This is the first report on chemical method synthesized BaTiO3 NPs for its biofilm inhibition activity.
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