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A NIR-responsive azobenzene-based supramolecular hydrogel using upconverting nanoparticles.

Author(s): Mandl GA, Rojas-Gutierrez PA, Capobianco JA

Chem Commun (Camb). 2018 Jun 05;54(46):5847-5850 Authors: Mandl GA, Rojas-Gutierrez PA, Capobianco JA

Article GUID: 29726556
Title:A NIR-responsive azobenzene-based supramolecular hydrogel using upconverting nanoparticles.
Authors:Mandl GA,  Rojas-Gutierrez PA,  Capobianco JA
Link:https://www.ncbi.nlm.nih.gov/pubmed/29726556?dopt=Abstract
Category:Chem Commun (Camb)
PMID:29726556
Dept Affiliation: CNSR
1 Department of Chemistry and Biochemistry and Centre for NanoScience Research Concordia University, 7141 Sherbrooke St. West Montreal, Quebec H4B 1R6, Canada. John.Capobianco@concordia.ca.

Description:

A NIR-responsive azobenzene-based supramolecular hydrogel using upconverting nanoparticles.

Chem Commun (Camb). 2018 Jun 05;54(46):5847-5850

Authors: Mandl GA, Rojas-Gutierrez PA, Capobianco JA

Abstract

To circumvent the need for direct UV excitation in a supramolecular hydrogel composed of an azobenzene-modified poly(acrylic acid) copolymer and deoxycholate-ß-cyclodextrin as a crosslinker, we modified this system for use with LiYF4:Tm3+/Yb3+ upconverting nanoparticles, which emit UV light upon NIR excitation. A complete gel-sol transition was observed in 60 minutes upon 980 nm irradiation. No change was observed under similar conditions of a control sample over the same period of time.

PMID: 29726556 [PubMed]