Correction: Journal of Nanobiotechnology (2022) 20:281 https://doi.org/10.1186/s12951-022-01460-3

Following publication of the original article [1], the authors identified an error in Fig. 8d. The correct Fig. 8 is given in this correction.

Fig. 8
figure 8

In vivo safety evaluation of oral PTX@GCA-NPs. Enzyme activities of A Aspartate transaminase (AST), Alkaline aminotransferase (ALT), B Blood urea nitrogen (BUN) and C Creatine (CRE) in plasma serum. Data is presented as mean ± SEM, n = 3. D Histological images of stomach, jejunum and ileum sectioned from mice and dyed with H&E staining. (magnification: 200 ×)

The original article [1] has been corrected.