Correction to: J Nanobiotechnol (2020) 18:131 https://doi.org/10.1186/s12951-020-00678-3

Following publication of the original article [1], the authors identified an error in Fig. 5c.

The correct Fig. 5c and its caption is given in this erratum.

Fig. 5
figure 5

c H&E staining of tumor tissues taken from treated animals. Scale bars, 200 µm

The original article has been revised.