Functionalized Gold and Silver Bimetallic Nanoparticles Using Deinococcus radiodurans Protein Extract Mediate Degradation of Toxic Dye Malachite Green
Functionalized Gold and Silver Bimetallic Nanoparticles Using Deinococcus radiodurans Protein Extract Mediate Degradation of Toxic Dye Malachite Green
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使用耐辐射奇球菌蛋白提取物的功能化金银双金属纳米颗粒介导有毒染料孔雀石绿的降解
DOI：
10.2147/ijn.s236683
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发表时间：
2020-03
影响因子：
8
通讯作者：
Yuejin Hua
中科院分区：
文献类型：
--
作者：
Yulan Weng;Jiulong Li;Xingcheng Ding;Binqiang Wang;Shang Dai;Yulong Zhou;Renjiang Pang;Ye Zhao;Hong Xu;Bing Tian;Yuejin Hua
研究背景利用纳米材料微生物催化剂降解有毒有机染料是一种环境友好且有发展前途的技术。材料和方法在这里，我们已经研究了功能化的金-银纳米粒子的新特性，使用极端耐辐射球菌蛋白质（Drp-Au-AgNPs）和它们对有毒的三苯甲烷染料孔雀石绿色（MG）的降解效率。结果和讨论制备的平均粒径为149.8 nm的Drp-Au-AgNP通过包括羟基和酰胺的基团被蛋白质封端。Drp-Au-AgNPs对MG的降解率（83.68%）高于D.抗辐射细胞和单核金纳米颗粒。主要降解产物经鉴定为4-（二甲氨基）二苯甲酮，其毒性低于MG。MG的降解主要归因于Drp-Au-AgNPs上的加帽蛋白。经2次循环后，该纳米颗粒仍能保持对MG的降解能力（>64%），可重复使用。结论制备的Drp-Au-AgNPs可作为新型的MG解毒纳米药物，并可用于含有毒联苯染料废水的生物处理。
Background Biodegradation of toxic organic dye using nanomaterial-based microbial biocatalyst is an ecofriendly and promising technique. Materials and Methods Here, we have investigated the novel properties of functionalized Au-Ag bimetallic nanoparticles using extremophilic Deinococcus radiodurans proteins (Drp-Au-AgNPs) and their degradation efficiency on the toxic triphenylmethane dye malachite green (MG). Results and Discussion The prepared Drp-Au-AgNPs with an average particle size of 149.8 nm were capped by proteins through groups including hydroxyl and amide. Drp-Au-AgNPs demonstrated greater degradation ability (83.68%) of MG than D. radiodurans cells and monometallic AuNPs. The major degradation product was identified as 4-(dimethylamino) benzophenone, which is less toxic than MG. The degradation of MG was mainly attributed to the capping proteins on Drp-Au-AgNPs. The bimetallic NPs could be reused and maintained MG degradation ability (>64%) after 2 cycles. Conclusion These results suggest that the easily prepared Drp-Au-AgNPs have potential applications as novel nanomedicine for MG detoxification, and nanomaterial for biotreatment of a toxic polyphenyl dye-containing wastewater.
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影响因子：
15
作者：
Tan, Yen Nee;Lee, Jim Yang;Wang, Daniel I. C.
通讯作者：
Wang, Daniel I. C.
影响因子：
5.8
作者：
Shanmuganathan, Rajasree;MubarakAli, Davoodbasha;Pugazhendhi, Arivalagan
通讯作者：
Pugazhendhi, Arivalagan
DOI：
--
发表时间：
2016
期刊：
--
影响因子：
--
作者：
K. Cheng
通讯作者：
K. Cheng
DOI：
10.1016/j.jphotobiol.2019.111642
发表时间：
2020-01-01
影响因子：
5.4
作者：
Samuel, Melvin S.;Jose, Sujin;Pugazhendhi, Arivalagan
通讯作者：
Pugazhendhi, Arivalagan
影响因子：
15
作者：
Degliangeli, Federica;Kshirsagar, Prakash;Fiammengo, Roberto
通讯作者：
Fiammengo, Roberto