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| Content Provider | Springer Nature Link |
|---|---|
| Author | Li, Li Gui, Lili Li, Weiwei |
| Copyright Year | 2015 |
| Abstract | We describe a colorimetric method for the determination of Hg(II) that is based on the aggregation of silver nanoparticles (AgNPs) in the presence of Hg(II) and lysine. If Hg(II) ions are added to unmodified AgNPs, they will deposit on the surface where they will be reduced to Hg(0) by NaBH4 to form a shell around the AgNPs. Upon addition of lysine to the Hg(II)-capped AgNPs, the aggregation of the AgNPs will be induced because the two amino groups of lysine have a high affinity for Hg(II). Aggregation results in a color change from orange to yellowish. The effect was exploited to design a colorimetric assay for Hg(II) that has a 1 nM detection limit. Graphical Abstract A simple, fast, and sensitive, colorimetric probe for the detection of Hg2+ is designed. |
| Starting Page | 1977 |
| Ending Page | 1981 |
| Page Count | 5 |
| File Format | |
| ISSN | 00263672 |
| Journal | Microchimica Acta |
| Volume Number | 182 |
| Issue Number | 11-12 |
| e-ISSN | 14365073 |
| Language | English |
| Publisher | Springer Vienna |
| Publisher Date | 2015-06-09 |
| Publisher Place | Vienna |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Silver nanoparticles Mercury ion Colorimetry Lysine Nanochemistry Nanotechnology Characterization and Evaluation of Materials Analytical Chemistry Microengineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Analytical Chemistry |
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