Raspberry-like small multicore gold nanostructures for efficient photothermal conversion in the first and second near-infrared windows

Anouchka Plan Sangnier; Romain Aufaure; Soshan Cheong; Laurence Motte; Bruno Palpant; Richard D. Tilley; Erwann Guenin; Claire Wilhelm; Yoann Lalatonne

doi:10.1039/C8CC09476D

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Raspberry-like small multicore gold nanostructures for efficient photothermal conversion in the first and second near-infrared windows†

Anouchka Plan Sangnier,

‡^ab Romain Aufaure,‡^a Soshan Cheong,

^c Laurence Motte,

^a Bruno Palpant,

^d Richard D. Tilley,

^c Erwann Guenin,

*^e Claire Wilhelm

*^b and Yoann Lalatonne

*^af

Author affiliations

* Corresponding authors

^a Inserm U1148, LVTS, Université Paris 13, Sorbonne Paris Cité, Bobigny, France

^b Laboratoire MSC, UMR 7057, CNRS and University Paris Diderot, Paris, France
E-mail: claire.wilhelm@univ-paris-diderot.fr

^c School of Chemistry and Mark Wainwright Analytical Centre, UNSW, Australia

^d LPQM, CNRS UMR 8537, CentraleSupélec, Ecole Normale Supérieure Paris-Saclay, Université Paris Saclay, Gif-sur-Yvette, France

^e Sorbonne Universités, EA TIMR 4297 UTC-ESCOM, Compiègne, France
E-mail: erwann.guenin@utc.fr

^f Services de Biochimie et Médecine Nucléaire, Avicenne APHP, Bobigny, France
E-mail: yoann.lalatonne@aphp.fr

Abstract

Gold nanoraspberries were synthesized by a seed-mediated synthesis with polyethylene glycol-functionalized bisphosphonates. The original structure shifted the optical absorption to infrared, revealing very efficient photothermal properties within the 2nd biological transparency window and leading to cancer cell necrosis at moderate intracellular doses and low (safe) laser power.

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Article information

DOI: https://doi.org/10.1039/C8CC09476D
Article type: Communication
Submitted: 28 Nov 2018
Accepted: 08 Mar 2019
First published: 12 Mar 2019

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Chem. Commun., 2019,55, 4055-4058

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Raspberry-like small multicore gold nanostructures for efficient photothermal conversion in the first and second near-infrared windows

A. Plan Sangnier, R. Aufaure, S. Cheong, L. Motte, B. Palpant, R. D. Tilley, E. Guenin, C. Wilhelm and Y. Lalatonne, Chem. Commun., 2019, 55, 4055 DOI: 10.1039/C8CC09476D

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Chemical Communications

Raspberry-like small multicore gold nanostructures for efficient photothermal conversion in the first and second near-infrared windows†

Abstract

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Raspberry-like small multicore gold nanostructures for efficient photothermal conversion in the first and second near-infrared windows

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