The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Highly Sensitive, Colorimetric Detection of Mercury(II) in Aqueous Media by Quaternary Ammonium Group-Capped Gold Nanoparticles at Room Temperature
Abstract
We provide a highly sensitive and selective assay to detect Hg(2+) in aqueous solutions using gold nanoparticles modified with quaternary ammonium group-terminated thiols at room temperature. The mechanism is the abstraction of thiols by Hg(2+) that led to the aggregation of nanoparticles. With the assistance of solar light irradiation, the detection limit can be as low as 30 nM, which satisfies the guideline concentration of Hg(2+) in drinking water set by the WHO. In addition, the dynamic range of detection is wide (3 × 10(-8)-1 × 10(-2) M). This range, to our best knowledge, is the widest one that has been reported so far in gold nanoparticle (AuNP)-based assays for Hg(2+).
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Citations
Cites
The toxicology of mercury—current exposures and clinical manifestations
Clarkson, T. W., Magos, L., & Myers, G. J. (2003) · New England Journal of Medicine · doi:10.1056/nejmra022471 · Cited by 1,766
Applications of Nanoparticles in Biology
De, M., Ghosh, P. S., & Rotello, V. M. (2008) · Advanced Materials · doi:10.1002/adma.200703183 · Cited by 1,547
Cited by
Gold Nanoparticles in Chemical and Biological Sensing
Saha, K., Agasti, S. S., Kim, C., Li, X., & Rotello, V. M. (2012) · Chemical Reviews · doi:10.1021/cr2001178 · Cited by 4,620
Fluorescent and colorimetric sensors for environmental mercury detection
Chen, G., Guo, Z., Zeng, G., & Tang, L. (2015) · The Analyst · doi:10.1039/c5an00389j · Cited by 335
The application of nanoparticles in point-of-care testing (POCT) immunoassays
Hou, F., Sun, S., Abdullah, S. W., Tang, Y., Li, X., & Guo, H. (2023) · Analytical Methods · doi:10.1039/d3ay00182b · Cited by 61
Metadata
- Authors
- Liu, D., Qu, W., Chen, W., Zhang, W., Wang, Z., & Jiang, X.
- Venue
- Analytical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-11-11
- Volume
- 82
- Issue
- 23
- Pages
- 9606-9610
- ISSN
- 0003-2700 (ISSN-L)
- 1520-6882
- OpenAlex
- W2320620791
- Cited by
- 329
- References
- 2
- FWCI
- 12.78
- Type
- journal article
- Language
- en
- Open access
- closed
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