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A Highly Sensitive and Selective Colorimetric Hg(2+) Ion Probe Using Gold Nanoparticles Functionalized with Polyethyleneimine
A highly sensitive and selective colorimetric assay for the detection of Hg(2+) ions was developed using gold nanoparticles (AuNPs) conjugated with polyethyleneimine (PEI). The Hg(2+) ion coordinates with PEI, decreasing the interparticle distance and inducing aggregation. Time-of-flight secondary i...
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| Publicado en: | J Anal Methods Chem |
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| Autores principales: | , , , |
| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
Hindawi
2018
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| Materias: | |
| Acceso en línea: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5832139/ https://ncbi.nlm.nih.gov/pubmed/29629208 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1155/2018/1206913 |
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