期刊
ANALYTICAL CHEMISTRY
卷 93, 期 6, 页码 3280-3286出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.0c05241
关键词
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资金
- National Natural Science Foundation of China [22022404, 22074050, 21801075, 21708012, 81671746, 81871402]
- Wuhan Scientific and Technological Projects [2019020701011441]
- NSFHP [2017CFB151]
- Open Fund by Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control [KHK1909]
- Guangdong Key Laboratory of Radioactive and Rare Resource Utilization [2019-LRRRU03]
- Opening Project of Guangxi Key Laboratory of High-Incidence-Tumor Prevention & Treatment (Guangxi Medical University) [GKE-KF202005]
- State Key Laboratory of Fine Chemicals, Dalian University of Technology [KF 1907]
The research team successfully designed a highly efficient ionic gating nanosensor by leveraging the properties of host-guest chemistry and gold nanoparticles, achieving excellent ion rectification ratio and gating efficiency, while also demonstrating outstanding stability and recyclability.
By mimicking nature, various artificial nanofluidic platforms have been widely applied in a range of scientific fields. However, their low performance in terms of gating efficiency (<25) still hinders their practical applications. Herein, we present a highly efficient ionic gating nanosensor by fusing the merits of host-guest chemistry and Au nanopartides (AuNPs). Based on this strategy, the pillar[6]arene (WP6)-functionalized AuNPs facilely regulated an azobenzene (AZO)-modified nanosensor with an excellent ion rectification ratio (similar to 22.2) and gating efficiency (similar to 49.5). More importantly, this gating nanosensor system also demonstrated promising stability and recyclability under conditions of alternative irradiation of visible and ultraviolet light. These excellent results would significantly help in expanding the utilization of artificial nanosensors for controllable drug delivery and biosensors.
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