Selective sensing of sulfate anions in water with cyclopeptide-decorated gold nanoparticles

Julia Bartl; Lena Reinke; Marcus Koch; Stefan Kubik

doi:10.1039/D0CC04796A

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Selective sensing of sulfate anions in water with cyclopeptide-decorated gold nanoparticles†

Julia Bartl,^a Lena Reinke,^a Marcus Koch^b and Stefan Kubik

*^a

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* Corresponding authors

^a Technische Universität Kaiserslautern, Fachbereich Chemie – Organische Chemie, Erwin-Schrödinger-Straße, 67663 Kaiserslautern, Germany
E-mail: kubik@chemie.uni-kl.de

^b INM – Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany

Abstract

The interaction of cyclopeptides bound to the surface of mixed monolayer-protected gold nanoparticles with sulfate anions causes the crosslinking and concomitant precipitation of the nanoparticles from aqueous solutions even in presence of an excess of competing anions, thus allowing the naked eye detection of sulfate in water.

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Article information

DOI: https://doi.org/10.1039/D0CC04796A
Article type: Communication
Submitted: 12 Jul 2020
Accepted: 21 Aug 2020
First published: 21 Aug 2020

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Chem. Commun., 2020,56, 10457-10460

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Selective sensing of sulfate anions in water with cyclopeptide-decorated gold nanoparticles

J. Bartl, L. Reinke, M. Koch and S. Kubik, Chem. Commun., 2020, 56, 10457 DOI: 10.1039/D0CC04796A

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Chemical Communications

Selective sensing of sulfate anions in water with cyclopeptide-decorated gold nanoparticles†

Abstract

Supplementary files

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Selective sensing of sulfate anions in water with cyclopeptide-decorated gold nanoparticles

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