Soft Tissue Response to the Presence of Polypropylene-G-Poly(ethylene glycol) Comb-Type Graft Copolymers Containing Gold Nanoparticles

Table 1

Histological findings of polymer blocks following 30 days of implantation.

	Collagen infiltration	Inflammatory cell count	Giant cell	Neovascularization	Capsule thickness (mm)
PP (control group)	+++++	218	14	+++++	1.554
PP-PEG-2000	+++	86	8	+++	0.350
Au-PP-PEG-2000	++	32	16	+	0.160
PP-PEG-4000	++	45	12	++	0.210
Au-PP-PEG-4000	+	18	24	+	0.060