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. 2020 Sep 18;8:838. doi: 10.3389/fchem.2020.00838

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Copyright © 2020 Liu, Li, Chen, Lin, Lai, Chen and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

The synthesis and characterization of NCP-Ce6-DOX-PEG nanoparticles (Liu et al., 2017a) (Copyright 2017a, reproduced with permission from Elsevier). (A) The schematic illustration for the synthesis of NCP-Ce6-DOX-PEG nanoparticles. (B) A TEM image of NCP nanoparticles. The insert is an image with higher resolution. (C) UV-vis-NIR spectra of NCP, NCP-Ce6, and NCP-Ce6-DOX. (D) Quantification of Ce6 and DOX loadings at different feeding concentrations of Ce6 and DOX in ethanol. NCP solutions with the same concentration (0.05 mg/mL) were used in this experiment.