Fig. 2

PEGDA–PLL matrix promotes more cellular infiltration. a Experimental design for cellular infiltration studies in 3D implants. b Digital micrographs of explanted implants on day 7 showing red color due to infiltration of blood vessels. c Quantification of different immune cells (CD3⁺, CD86⁺, F4/80⁺, CD14⁺, CD19⁺, and CD11c⁺ respectively) infiltrating the PEGDA and PEGDA–PLL implants on day 3 and day 7. ^*P < 0.05, ^**P < 0.01, ^***P < 0.001, one-way ANOVA with Tukey’s test. PEGDA polyethylene glycol diacrylate, PLL poly-L-lysine