Issue 46, 2017
From the journal:

Chemical Communications

Fluorogen-free aggregation induced NIR emission from gold nanoparticles†

Meenaxi Saini,a   Yogeshwar Masirkar,a   Ritu Varshney,b   Partha Royb  and  Kalyan K. Sadhu ORCID logo *a  

* Corresponding authors

a Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India
E-mail: sadhufcy@iitr.ac.in

b Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India

Abstract

Controlled diluted aqua regia addition leads to NIR (near infrared) luminescence from aggregated gold nanoparticles at 916 nm. This turn-on luminescence has been observed for gold nanoparticles, regardless of reductants used in their preparation. These aggregated nanoparticles are nontoxic and have been used for bioimaging in human liver carcinoma cells.

Graphical abstract: Fluorogen-free aggregation induced NIR emission from gold nanoparticles

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Article information

DOI
https://doi.org/10.1039/C7CC00641A
Article type
Communication
Submitted
23 Jan 2017
Accepted
12 Apr 2017
First published
12 Apr 2017

Chem. Commun., 2017,53, 6199-6202

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Fluorogen-free aggregation induced NIR emission from gold nanoparticles

M. Saini, Y. Masirkar, R. Varshney, P. Roy and K. K. Sadhu, Chem. Commun., 2017, 53, 6199 DOI: 10.1039/C7CC00641A

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