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Construction of Ag nanowire@Au nanoparticle nano nests with densely stacked small gaps for actively trapping molecules to realize diversity SERS detection

文献类型：期刊论文

作者Xie, Tao2,3; Li, Pan1,2; Ge, Meihong2,3; Chen, Siyu2,3; Huang, Guangyao2,3; Li, Junxiang2,3; Gong, Meiting2,3; Weng, Shirui1,2; Yang, Liangbao1,2
刊名ANALYST
出版日期2022-04-28
ISSN号0003-2654
DOI10.1039/d2an00527a
通讯作者Li, Pan(lipan2011@iim.ac.cn) ; Yang, Liangbao(lbyang@iim.ac.cn)
英文摘要Highly sensitive surface-enhanced Raman spectroscopy (SERS) sensing not only depends on an active substrate with high density of hot spots, but also depends more on whether the molecules can effectively enter the hot spot region. In this paper, a new SERS detection method based on the nano nest model is developed to autonomously capture molecules into hot spots. The nano nest is composed of silver nanowires modified with gold nanoparticles (Ag NW@Au NPs), which not only form high density hot spots between particles or particles-wires, but also have a coupled electromagnetic field enhancement effect. The SERS detection method based nano nest actively traps molecules through the capillary stage, and makes the molecules move toward densely stacked small gaps (hot spots) by capillary action. The above method has been used to detect different kinds of molecules, such as pesticide residues, adenosine triphosphate in culture medium, and antibiotic residues in aquatic products. In addition, an in situ SERS monitoring of allergic reactions was also performed using nano nests with the feature of actively trapping molecules into the hot spots. This nano nest will be able to perform a direct monitoring of biochemical reactions, and more importantly, it can provide a new scheme for SERS detection.
WOS关键词ENHANCED RAMAN-SCATTERING ; MOSQUITO BITES ; NEEDLE ; SENSOR
资助项目Research Instrument and Equipment Development Project, Chinese Academy of Sciences[YJKYYQ20200022] ; Anhui Provincial Key RD Program[202104d07020002] ; National Science Foundation of China[21974142]
WOS研究方向Chemistry
语种英语
WOS记录号WOS:000793737000001
出版者ROYAL SOC CHEMISTRY
资助机构Research Instrument and Equipment Development Project, Chinese Academy of Sciences ; Anhui Provincial Key RD Program ; National Science Foundation of China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/130829]  
专题中国科学院合肥物质科学研究院
通讯作者Li, Pan; Yang, Liangbao
作者单位1.Chinese Acad Sci, Hefei Canc Hosp, Dept Pharm, Hefei 230031, Anhui, Peoples R China
2.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Hlth & Med Technol, Hefei 230031, Peoples R China
3.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Xie, Tao,Li, Pan,Ge, Meihong,et al. Construction of Ag nanowire@Au nanoparticle nano nests with densely stacked small gaps for actively trapping molecules to realize diversity SERS detection[J]. ANALYST,2022.
APA Xie, Tao.,Li, Pan.,Ge, Meihong.,Chen, Siyu.,Huang, Guangyao.,...&Yang, Liangbao.(2022).Construction of Ag nanowire@Au nanoparticle nano nests with densely stacked small gaps for actively trapping molecules to realize diversity SERS detection.ANALYST.
MLA Xie, Tao,et al."Construction of Ag nanowire@Au nanoparticle nano nests with densely stacked small gaps for actively trapping molecules to realize diversity SERS detection".ANALYST (2022).

入库方式： OAI收割

来源：合肥物质科学研究院

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