by Bob Yirka, Medical Xpress Blue-ringed octopus-inspired drug delivery patch. (A) Hydrogel microneedle (MN) suction cup drug delivery platform was developed by imitating the blue-ringed octopus’ predation process. This material achieves wet tissue surface adhesion and self-controlled multistage drug release. (B) Tissue adhesion of the hydrogel suction cups comes from negative pressure fixation and the...
