A Single Step Fast Track Methodology for Detection of Hazardous Melamine by Using Highly Sensitive Polyphenolics Modified Nanogold Probe.

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ID: 99412
2019
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Abstract
A single step fast track method is proposed to determine melamine based on strong hydrogen bonding between exocyclic amine group in melamine moiety and hydroxyl group of tannic acid (TA); acting as reducing and functionalizing agent for synthesis of gold nanoparticles (Au NPs). The proposed strategy is facile and highly time saving; as the detection of melamine with labelfree gold nanoparticles was accomplished within five minutes. The colorimetric probe exhibits high detection limit of 8 nM for melamine determination in raw milk, which is very low as compared to other capping ligands employed for Au NPs such as borohydride, citrate and 3,5-dihydroxybenzoic acid. The results show a highly sensitive linear range (0.03-2.5 M) between absorption ratio and concentration of melamine with a correlation coefficient of 0.991. Proposed methodology is proven effective for on-site screening without using costly instrumentation.
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arshad2019ajournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Arshad, Anila;Akram, Raheel;Rana, Shahid Iqbal;Hussain, Ghulam;Dar, Sami Ullah;Iqbal, Saleem;
Journal Journal of nanoscience and nanotechnology
Year 2019
DOI
10.1166/jnn.2019.16716
URL
Keywords
hybridization chain reaction lspr gold nanoparticle dsn mir-10b mirna sensing

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