A Review of Injectable and Implantable Biomaterials for Treatment and Repair of Soft Tissues in Wound Healing

Figure 3

(a) Histological examination of wound tissue after applying gold/polypropylene/poly(ethylene glycol)2000 nanoparticles where arrows indicate inflammatory cells and newly formed blood vessels. C refers to capsule formation after applying the dressing. (b) Histological examination of wound tissue after applying gold/polypropylene/poly(ethylene glycol)4000 nanoparticles where thick arrow indicates neovascularization and thin arrow indicates giant cell accumulation [27] (figure obtained from an open access article distributed under the Creative Commons Attribution License).

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