A highly sensitive gold nanoparticle-based colorimetric probe for pyrophosphate using a competition assay approach

A highly sensitive gold nanoparticle-based colorimetric probe for pyrophosphate using a competition assay approach

In this study, a mixture of [Zn(2)(1,3-bis[bis(2-pyridylmethyl)aminomethyl]benzene)](4+) ([Zn(2)(BBPAB)](4+)) and 11-mercaptoundecylphosphoric acid functionalized gold nanoparticles (Phos-AuNPs) is shown to be a highly sensitive colorimetric probe that can easily detect pyrophosphate (PPi) at less t...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2013-01, Vol.49 (2), p.152-154
Hauptverfasser: Kim, Sudeok, Eom, Min Sik, Kim, Seung Kyung, Seo, Seong Hyeok, Han, Min Su
Format: Artikel
Sprache:eng
Schlagworte:
Assaying
Colorimetry
Competition
Coordination Complexes - chemistry
Diphosphates - analysis
Gold
Gold - chemistry
Metal Nanoparticles - chemistry
Nanocomposites
Nanomaterials
Nanoparticles
Nanostructure
Zinc - chemistry
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Beschreibung
Zusammenfassung:In this study, a mixture of [Zn(2)(1,3-bis[bis(2-pyridylmethyl)aminomethyl]benzene)](4+) ([Zn(2)(BBPAB)](4+)) and 11-mercaptoundecylphosphoric acid functionalized gold nanoparticles (Phos-AuNPs) is shown to be a highly sensitive colorimetric probe that can easily detect pyrophosphate (PPi) at less than 200 nM with the naked eye.
ISSN:1359-7345
1364-548X
DOI:10.1039/c2cc37379c