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Sensing Strategy for Lithium Ion Based on Gold Nanoparticles
Abstract
The detection of Li + is currently in demand for both biomedical and industrial applications. We here report the functionalization of 4 nm Au particles with a 1,10-phenanthroline ligand that binds selectively to Li + . The ligand binds to Li + by forming a 2:1 ligand−metal complex, causing Au nanoparticles to aggregate. Au nanoparticle aggregation causes a shift in the extinction spectrum with a concomitant color change, providing a useful optical method of detecting Li + in aqueous solution.
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Citations
Cited by
Daniel, M.-C., & Astruc, D. (2004) · Chemical Reviews · doi:10.1021/cr030698+ · Cited by 12,446
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
Nanostructures in Biodiagnostics
Rosi, N. L., & Mirkin, C. A. (2005) · Chemical Reviews · doi:10.1021/cr030067f · Cited by 4,603
Anisotropic Metal Nanoparticles: Synthesis, Assembly, and Optical Applications
Murphy, C. J., Sau, T. K., Gole, A. M., Orendorff, C. J., Gao, J., Gou, L., Hunyadi, S. E., & Li, T. (2005) · The Journal of Physical Chemistry B · doi:10.1021/jp0516846 · Cited by 3,085
Self-citationA unified view of propagating and localized surface plasmon resonance biosensors
Haes, A. J., & Van Duyne, R. P. (2004) · Analytical and Bioanalytical Chemistry · doi:10.1007/s00216-004-2708-9 · Cited by 666
Metadata
- Authors
- Obare, S. O., Hollowell, R. E., & Murphy, C. J.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-11-15
- Volume
- 18
- Issue
- 26
- Pages
- 10407-10410
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W1981254614
- Cited by
- 251
- References
- 0
- FWCI
- 5.50
- Type
- journal article
- Language
- en
- Open access
- closed
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