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. 2022 Jan 24;8(2):74. doi: 10.3390/gels8020074

Figure 5.

Figure 5

(A) Mechanical strength of “cake-like” microneedle tip part fabricated by glucose-responsive gel with different crosslinking densities. Monomer concentration: 3 M. (B) Mechanical strength of “cake-like” microneedle tip part fabricated by glucose-responsive gel with different monomer concentrations. Crosslinking density: 20%. (C) Mechanical strength of “cake-like” microneedle tip part coated with PVA layer with or without heating. * P < 0.05. (D) Mechanical strength of “cake-like” microneedle tip part coated with PVA layer with different coating times.