Heat, pH, and salt: synthesis strategies to favor formation of near-infrared emissive DNA-stabilized silver nanoclusters

Rweetuparna Guha; Malak Rafik; Anna Gonzàlez-Rosell; Stacy M. Copp

doi:10.1039/D3CC02896H

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Heat, pH, and salt: synthesis strategies to favor formation of near-infrared emissive DNA-stabilized silver nanoclusters†

Rweetuparna Guha,

^a Malak Rafik,^a Anna Gonzàlez-Rosell

^a and Stacy M. Copp

*^abc

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* Corresponding authors

^a Department of Materials Science and Engineering, University of California, Irvine, CA 92697, USA
E-mail: stacy.copp@uci.edu

^b Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA

^c Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697, USA

Abstract

We present chemical synthesis strategies for DNA-stabilized silver nanoclusters (Ag_N-DNAs) with near-infrared (NIR) emission in the biological tissue transparency windows. Elevated temperatures can significantly increase chemical yield of near-infrared nanoclusters. In most cases, basic pH favors near-infrared nanoclusters while micromolar amounts of NaCl inhibit their formation.

This article is part of the themed collection: Fundamental Processes in Optical Nanomaterials

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Article information

DOI: https://doi.org/10.1039/D3CC02896H
Article type: Communication
Submitted: 20 jún. 2023
Accepted: 26 júl. 2023
First published: 27 júl. 2023

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Chem. Commun., 2023,59, 10488-10491

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Heat, pH, and salt: synthesis strategies to favor formation of near-infrared emissive DNA-stabilized silver nanoclusters

R. Guha, M. Rafik, A. Gonzàlez-Rosell and S. M. Copp, Chem. Commun., 2023, 59, 10488 DOI: 10.1039/D3CC02896H

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Chemical Communications

Heat, pH, and salt: synthesis strategies to favor formation of near-infrared emissive DNA-stabilized silver nanoclusters†

Abstract

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Heat, pH, and salt: synthesis strategies to favor formation of near-infrared emissive DNA-stabilized silver nanoclusters

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