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. 2018 Feb 22;9:766. doi: 10.1038/s41467-018-03119-w

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — Preparation of SCNPs and stimuli-responsive drug release. a TEM image of SCNPs. b DLS results and c zeta potential of the NPs formed from PDI-PCL-b-PEG-RGD⊃β-CD-NH₂ and SCNPs. d The photothermal curves of pure water and SCNPs at different concentrations under 671 nm laser irradiation at a power density of 0.5 W cm⁻². e The photothermal curves of SCNPs (0.250 mg mL⁻¹) under 671 nm laser irradiation at different power densities. f The changes in absorbance intensity, g photographs, and h thermal curves of SCNPs and ICG after five cycles of irradiation, respectively. The test laser wavelengths of SCNPs and ICG were 671 and 780 nm, respectively, with a power density of 0.5 W cm⁻². i Controlled release profiles of SCNPs@PTX and NPs@PTX under different conditions. Data are expressed as means ± s.e.m. (n = 3)