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. 2020 Sep 4;18:124. doi: 10.1186/s12951-020-00686-3

Fig. 1.

Fig. 1

a Synthetic route of PEG-PCL-SS polymer. b Schematic illustration of the preparation of IR780 and DOX-loaded PEG-PCL-SS nanoparticles. c Chemo-photothermal therapy of cross-linked PEG-PCL-SS nanoparticles with reductive sensitivity and NIR laser-controlled drug release