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. 2017 Jun 20;9(6):238. doi: 10.3390/polym9060238

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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(a) Plots of solution transmittance (at 500 nm) vs. temperature of the triblock copolymer in water. (b) UV–Vis absorption spectrum of the UCST hydrogel encapsulated with AuNRs; inset: TEM image of the synthesized AuNRs. (c) Absorption spectrum of the synthesized gold nanorods (AuNRs) in water. (d) Gel–sol transition generated by applying laser.