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Au nanoparticle (nAu) based electrochemical platform for the amperometric sensing of isoniazid at sub-nanomolar level is developed. The sol–gel derived 3-dimensional silicate network pre-assembled on a conducting substrate is chemically decorated with nAu of 70–100nm by seed-mediated growth approach. The Au nanoseeds are first chemisorbed onto the thiol functional groups of the silicate network and...
Gold nanoparticle based nanostructured electrode has been developed for the amperometric detection of ultratrace amount of toxic Cr(VI). The nano-sized Au particles have been grown on a conducting substrate modified with sol–gel-derived thiol functionalized silicate network and used for the electroanalysis of Cr(VI). The nanostructured interface show well-defined voltammetric peak for the reduction...
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