生物相容性纳米粒子的紫外光催化活性提供了多种效果

Advanced Materials Proceedings Pub Date : 2019-07-01 DOI:10.5185/amp.2019.0006

S. Harinee

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引用次数: 2

摘要

以硝酸银(agno3)和提取的蛋清(EWE)为原料，制备了具有生物相容性的银纳米粒子(NPs)。对蛋清介导的AgNPs进行了表征并研究了其对人致病菌(HPB)的抑菌活性，并在紫外光照射下进行了光催化降解亚甲基蓝(MB)的研究。结果表明，EWE-AgNPs对几种革兰氏阳性和阴性HPB菌株均有较好的抗菌作用。在80μg mL -1浓度下，鼠伤寒沙门菌(NCIM 2501)有最大生长抑制带，枯草芽孢杆菌(NCIM 2920)有最小生长抑制带。当反应时间延长30 min时，在紫外光照射下，EWE-AgNPs的光催化降解亚甲基蓝(MB)的活性高达94.67%。EWE-AgNPs的多功能性可能在不久的将来用于催化废水处理等工业应用。版权所有©VBRI出版社。

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UV-light Photocatalytic Activity of Biocompatible Nanoparticles Provide Multiple Effects

Biocompatible silver (Ag) nanoparticles (NPs) were demonstrated using silver nitrate (AgNO 3 ) and egg white extracted (EWE). Egg white mediated AgNPs were characterized and study its antimicrobial activity against human pathogenic bacteria (HPB), and under UV-light irradiation, photocatalytic degradation of methylene blue (MB) has been studied. Results showed that EWE-AgNPs act as remarkable antimicrobial agent against several Gram- Positive and Negative HPB strains. Maximal growth inhibition zone in Salmonella typhimurium (NCIM 2501) and a minimal inhibition zone in Bacillus subtilis (NCIM 2920) were observed at concentration of 80μg mL -1 . High activity of photocatalytic degradation of methylene blue (MB) at about 94.67% was observed under UV-light irradiation when the reaction time was extended 30 min. The multi-functionality of EWE-AgNPs may be useful for many industrial applications such as catalysis to waste water treatment in near future. Copyright © VBRI Press.

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Advanced Materials Proceedings

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