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Smart hydrogels are designed and synthesized to exhibit sensitive, linear, and reversible photoluminescence (PL) responses to temperature change in the range of 10 to 50°C.The Eu-doped core/shell nanoparticle hydrogels consist of poly[styrene-co-(N-isopropylacrylamide)] (PS-co-PNIPAM)/PNIPAM.
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Jiang et al. (2010) studied this question.
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