Fig. 4
From: Biosafety and Antibacterial Ability of Graphene and Graphene Oxide In Vitro and In Vivo
Tissue sections stained with HE staining. a Control represents uninjured tissue. b G group. Skeletal cells present as the straight strip. Muscle myofibrils are parallel along the long axis, transverse lines are clear, and cross section is irregular blocks. Myofibrillar section presents as the thin spots; nucleus is located at the edge. c GO group. Transverse lines of the muscle fibers in longitudinal section are fractured and not clear