Li M, Luo H, Zhang W, et al. Int J Nanomedicine. 2018;13:3907–3920.
The authors have advised that they covered up some larger-sized particles and impurities to enhance the aesthetic of the image shown for , on page 3913. The authors also removed some impurities and enhanced certain aspects of the image shown for .
These two images were used to display the general appearance and shapes of the nanoparticles the authors had successfully prepared in the study. The editor determined that while the images had been altered it did not affect the conclusions of the study.
The authors wish to apologise for these errors. The correct is shown below.