期刊
CHEMICAL COMMUNICATIONS
卷 57, 期 21, 页码 2613-2616出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc08003a
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资金
- National Natural Science Foundation of China [21874032, 21765007]
- Guangxi Key Research Project [GuikeAB17129003]
- Guangxi Science Fund for Distinguished Young Scholars [2018GXNSFFA281002]
- Central Government-Guided Local Science and Technology Development Project [GuikeZY20198006]
- Guangxi Scholarship Fund of Guangxi Education Department [Guijiaoren-2018-18]
- Guangxi Science and Technology Planning Project [Gui-KeAD18126018]
- Fund of Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology [Guikeneng 1810K003]
This work introduces a new method for naked-eye nanosensing of Hg2+ using the Tyndall effect of gold nanoparticles, achieving ultra-sensitive detection of the target with a 5461-fold improvement in sensitivity compared to conventional GNP-based methods with surface plasmon resonance signaling.
This work reports a new methodology for naked-eye nanosensing of Hg2+ where the Tyndall effect of gold nanoparticles (GNPs) acts as a light scattering signalling readout. Its utility is demonstrated with ultrasensitive detection of the target with a limit down to 0.13 nM (similar to 5461-fold sensitivity improvement over conventional GNP-based methods with surface plasmon resonance signalling).
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