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Biological Nanofactories: Using Living Forms for Metal Nanoparticle Synthesis
Mini-Reviews in Medicinal Chemistry ( IF 3.8 ) Pub Date : 2021-01-31 , DOI: 10.2174/1389557520999201116163012
Shilpi Srivastava 1 , Zeba Usmani 2 , Atanas G Atanasov 3 , Vinod Kumar Singh 4 , Nagendra Pratap Singh 4 , Ahmed M Abdel-Azeem 5 , Ram Prasad 6 , Govind Gupta 7 , Minaxi Sharma 8 , Atul Bhargava 6
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Metal nanoparticles are nanosized entities with dimensions of 1-100 nm that are increasingly in demand due to applications in diverse fields like electronics, sensing, environmental remediation, oil recovery and drug delivery. Metal nanoparticles possess large surface energy and properties different from bulk materials due to their small size, large surface area with free dangling bonds and higher reactivity. High cost and pernicious effects associated with the chemical and physical methods of nanoparticle synthesis are gradually paving the way for biological methods due to their eco-friendly nature. Considering the vast potentiality of microbes and plants as sources, biological synthesis can serve as a green technique for the synthesis of nanoparticles as an alternative to conventional methods. A number of reviews are available on green synthesis of nanoparticles but few have focused on covering the entire biological agents in this process. Therefore present paper describes the use of various living organisms like bacteria, fungi, algae, bryophytes and tracheophytes in the biological synthesis of metal nanoparticles, the mechanisms involved and the advantages associated therein.



中文翻译:

生物纳米工厂:使用活体形式进行金属纳米颗粒合成

金属纳米颗粒是尺寸为1-100 nm的纳米级实体,由于其在电子,传感,环境修复,石油回收和药物输送等各个领域的应用而日益受到关注。金属纳米粒子具有体积小,表面积大,带有自由悬挂键和较高的反应性等优点,因此具有与块状材料不同的表面能和特性。与纳米颗粒的化学和物理方法相关的高成本和有害影响,由于其生态友好的性质,正在逐步为生物方法铺平道路。考虑到微生物和植物作为来源的巨大潜力,生物合成可以作为合成纳米粒子的绿色技术,替代传统方法。关于纳米颗粒的绿色合成有许多评论,但是很少有人关注这一过程中的整个生物制剂。因此,本论文描述了在金属纳米颗粒的生物合成中各种细菌,真菌,藻类,苔藓植物和气管植物等活生物的用途,涉及的机理以及与之相关的优势。

更新日期:2021-02-09
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