Correction to “Lubricating Microneedles System with Multistage Sustained Drug Delivery for the Treatment of Osteoarthritis”

In Figure 3b of the "Results and Discussion" section, the red box in the SEM image of HA/DCF MNs was placed incorrectly.It should be placed on the top right microneedle rather than the top left microneedle.This was due to a mistake made by the author when compiling the data.We are extremely sorry for this mistake.However, this mistake does not affect the relevant conclusions and final results regarding the mechanical strength of MNs.The corrected Figure 3 is as follows.https://onlinelibrary.wiley.com/doi/abs/10.1002/ smll.202307281 Figure 3. Morphological and mechanical characterizations of different types of MNs.(a) Photographic images of the MNs patch.(b) Representative SEM images of the MNs with magnification of individual MNs tips.(c) CLSM images of the MNs showing that