Institutional Repository of Chinese Acad Sci, Inst Intelligent Machines, Hefei 230031, Anhui, Peoples R China
Gold nanorod@nanoparticle seed-SERSnanotags/graphene oxide plasmonic superstructured nanocomposities as an "on-off" SERS aptasensor | |
Tao, GangQiang1,2; Wang, Jin1 | |
2018-07-01 | |
发表期刊 | CARBON |
ISSN | 0008-6223 |
摘要 | In order to prepare gold nanorods (AuNRs) with high purity and density on graphene oxide (GO), both two-step strategy of presythesis-postassembly and one-step strategy of in-situ growth have been explored, respectively. Observations of morphology and plasmonic bands reveal that both of the two approaches can yield AuNRs with high purity on GO; however, the former can generate more uniform-sized AuNRs on GO in contrast with the latter. Moreover, the AuNRs/GO and gold nanoparticle seed-SERSnanotags can be assembled to fabricate a large-scaled superstructured plasmonic nano-composities (AuNR@AuNPS-SERSnanotags/GO) through DNAzyme-DNA substrate prehybridization and in-situ hybridization, respectively, and disassembled via copper ions aided-DNAzyme-DNA substrate cleavage. As a result, an "on-off" aptasensor of DNA-AuNR@AuNPS-SERSnanotags/GO can be utilized as an ultrasensitive SERS substrate for detection of copper ions. (C) 2018 Elsevier Ltd. All rights reserved. |
DOI | 10.1016/j.carbon.2018.03.037 |
关键词[WOS] | ENHANCED ELECTROCATALYTIC ACTIVITY ; REDUCED GRAPHENE OXIDE ; ONE-POT SYNTHESIS ; RAMAN-SPECTROSCOPY ; SURFACE ; OXIDATION ; IONS |
收录类别 | SCI |
语种 | 英语 |
资助项目 | State Key Laboratories of Transducer Technology ; MOST-TEKES cooperation researching project[2014DFG42290] ; National Natural Science Foundation of China-ShangHai Synchrotron Radiation Facility[U1732122] ; National Natural Science Foundation of China-ShangHai Synchrotron Radiation Facility[U1732122] ; MOST-TEKES cooperation researching project[2014DFG42290] ; State Key Laboratories of Transducer Technology |
WOS研究方向 | Chemistry ; Materials Science |
WOS类目 | Chemistry, Physical ; Materials Science, Multidisciplinary |
WOS记录号 | WOS:000431010600027 |
出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/35559 |
专题 | 中科院合肥智能机械研究所 |
通讯作者 | Wang, Jin |
作者单位 | 1.Chinese Acad Sci, HeFei Inst Phys Sci, Inst Intelligent Machines, Hefei 230031, Anhui, Peoples R China 2.Univ Sci & Technol China, Coll Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Tao, GangQiang,Wang, Jin. Gold nanorod@nanoparticle seed-SERSnanotags/graphene oxide plasmonic superstructured nanocomposities as an "on-off" SERS aptasensor[J]. CARBON,2018,133(无):209-217. |
APA | Tao, GangQiang,&Wang, Jin.(2018).Gold nanorod@nanoparticle seed-SERSnanotags/graphene oxide plasmonic superstructured nanocomposities as an "on-off" SERS aptasensor.CARBON,133(无),209-217. |
MLA | Tao, GangQiang,et al."Gold nanorod@nanoparticle seed-SERSnanotags/graphene oxide plasmonic superstructured nanocomposities as an "on-off" SERS aptasensor".CARBON 133.无(2018):209-217. |
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