Fig. 2: Mechanical characterization of 3D-BMN.
From: 3D-printed barbed microneedle electrodes for biosensing and drug delivery in wound management
a Schematic of the setup for mechanical testing. b Stress–displacement curves for microneedles with different barb angles. c Stress–displacement curves for microneedles with different barb counts. d Stress–displacement curves for microneedles with different barb layer numbers
