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Development of zinc oxide nanoparticles at varied incubation periods for regulating anti-quorum sensing

机译:在不同的潜伏期开发氧化锌纳米颗粒以调节抗群体感应

摘要

The nanosized ZONps, spikes are developed through inexpensive and user friendly green chemistry routes. The process is carried out in the presence of aqueous acetate and aqueous hydroxide in the bi-distilled water followed with predetermined incubation periods. The solvent is stirred continuously during the process. The solution is cooled and has been undergone through predetermined incubation periods. Finally the desired nanosized ZONps, spikes solution is characterized and preserved safely. The synthesized ZONps spikes was further tested for the inhibition of Quorum sensing regulated virulence factors in different pathogens. Chromobclcterium Violaceum showed excellent reduced violacein production under the effect of the nanospikes as compared to untreated control. In the opportunistic pathogen P. aerugjnosa the synthesized nanospikes exhibited significantly impaired production of the QS regulated virulence factors. The ZONps spikes demonstrated outstanding reduction in virulence factors like Elastase, total protease, pyocyanin production and swarming motility. These results open a paradigm for ZnO nanoparticulates in future applications for the development of derivative agents to control the spread and infection of a variety of microbial strains.
机译:纳米ZONps尖峰是通过廉价且用户友好的绿色化学路线开发的。该方法在乙酸水和氢氧化物水溶液在双蒸馏水中的存在下进行,随后进行预定的孵育时间。在该过程中连续搅拌溶剂。冷却溶液,并经过预定的孵育时间。最终,对所需的纳米级ZONps,尖峰溶液进行了表征并安全保存。进一步测试了合成的ZONps尖峰在不同病原体中对Quorum感应调节的毒力因子的抑制作用。与未经处理的对照相比,在纳米钉的作用下,紫薇色变菌显示出极好的紫胶素产生减少。在机会病原体铜绿假单胞菌中,合成的纳米穗显示出严重损害了QS调节的毒力因子的产生。 ZONps峰值显示出毒力因子(如弹性蛋白酶,总蛋白酶,绿脓素产量和成群运动力)的显着降低。这些结果为ZnO纳米微粒在未来的应用中打开了范式,以开发衍生剂来控制各种微生物菌株的扩散和感染。

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