基于高荧光蛋白保护的金纳米簇检测硝基苯
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摘要
硝基苯是重要的化工原料,对人体健康有着严重影响,因此具有良好光学性能的传感器的发展是极为重要的.由亚纳米级规模构成的金纳米团簇由于其理想的光性能和电性能目前成为了研究领域的热点之一.在本实验中,硝基苯对基于牛血清白蛋白保护金纳米簇有着明显的猝灭作用,具有较高的灵敏度和良好的选择性,可应用于对硝基苯的检测.
Nitrobenzene,an essential chemical raw material,has a severe impact on human health.Therefore,the development of sensors with good optical properties to detect nitrobenzene is extremely important.Additionally,gold nanoclusters composed of sub-nanometer scales have become one of the hotspots in the research field due to their ideal optical and electrical properties.In this experiment,the gold nanoclusters which based on bovine serum albumin have evidently quenched by nitrobenzene.In conclusion,it can be utilized to the detection of p-nitrobenzene,with high sensitivity,good selectivity and reproducibility.
Nitrobenzene,an essential chemical raw material,has a severe impact on human health.Therefore,the development of sensors with good optical properties to detect nitrobenzene is extremely important.Additionally,gold nanoclusters composed of sub-nanometer scales have become one of the hotspots in the research field due to their ideal optical and electrical properties.In this experiment,the gold nanoclusters which based on bovine serum albumin have evidently quenched by nitrobenzene.In conclusion,it can be utilized to the detection of p-nitrobenzene,with high sensitivity,good selectivity and reproducibility.
引文
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[2]Zhu L,Ma B,Zhang L,et al.The study of distribution and fate of nitrobenzene in a water/sediment microcosm[J].Chemosphere,2007,69:1579-1585.
[3]Spain J C.Biodegradation of nitroaromatic compounds[J].Annu Rev Microbiol,1995,49:523-555.
[4]US Environmental Protection Agency Office of water[S].National Recommended Water Quality Criteria,2004.
[5]地表水环境质量标准[S].GHZB1-1999,中国,1999.
[6]Kariuki V M,Fasih-Ahmad S A,Osonga F J,et al.An electrochemical sensor for nitrobenzene usingπ-conjugated polymer-embedded nanosilver[J].Analyst,2016,141:2259.
[7]Chapman G M,Bravo R,Stanelle R D,et al.Sensitive and selective gas chromatography-tandem massspectrometry method for the detection of nitrobenzene in tobaccosmoke[J].Journal of Chromatography A,2018,1565:124-129.
[8]Sun L,Xing H,Xu J,et al.A novel(3,3,6)-connected luminescent metal-organic framework for sensing of nitroaromatic explosives[J].Dalton Transactions,2013,42:5508.
[9]Chang H C,Ho J A,et al.Gold Nanocluster-Assisted fluorescent detection for hydrogen peroxide and cholesterol based on the Inner filter effect of gold nanoparticles[J].Anal Chem,2015,87:10362-10367.
[10]Xing H,Zhang X,Zhai Q,et al.Bipolar electrode based reversible fluorescence switch using prussian blue/Au nanoclusters nanocomposite film[J].Anal Chem,2017,89:3867-3872.
[11]Zhai Q,Xing H,Zhang X,et al.Enhanced electrochemiluminescence behavior of gold-silver bimetallic nanoclusters and Its sensing application for mercury(II)[J].Anal Chem 2017,89:7788-7794.
[12]Sheng J,Jiang X,Wang L,et al.Biomimetic mineralization guided one-pot preparation of gold clusters anchored 2D MnO2nanosheets for fluorometric/magnetic bimodal sensing[J].Analy Chem 2018,90:2926-2932.
[13]Biswas A,Banerjee S Gart,E V,et al.Gold nanocluster containing polymeric microcapsules for intracellular ratiometric fluorescence biosensing[J].ACS Omega,2017,2:2499-2506.
[14]Zhuang M,Ding C Q,Zhu A W,et al.Ratiometric fluorescence probe for monitoring hydroxyl radical in live cells based on gold nanoclusters[J].Anal Chem,2014,86:1829-1836
[15]Jin L H,Shang L,Guo S J,et al.Biomolecule-stabilized Au nanoclusters as a fluorescence probe for sensitive detection of glucose[J].Biosens Bioelectron,2011,26:1965-1969
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