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In article number 2003725, Xiangjia Li, Yang Chai, Yong Chen, and co‐workers present limpet tooth inspired painless microneedles with the capability of controllable drug delivery. The microneedles are fabricated via a magnetic field‐assisted 3D printing process, and the aligned magnetic nanoparticles show promising enhanced compression resistance. This opens intriguing perspectives for designing microneedles...
Microneedle arrays show many advantages in drug delivery applications due to their convenience and reduced risk of infection. Compared to other microscale manufacturing methods, 3D printing easily overcomes challenges in the fabrication of microneedles with complex geometric shapes and multifunctional performance. However, due to material characteristics and limitations on printing capability, there...
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