Characterization and toxicological effects of three-dimensional graphene foams in rats in vivo
Source abstract
Abstract
Current studies have demonstrated the advantage of graphene-based materials, which suggests their potential usage for biomedical applications. However, the in vivo toxicity and performance of three-dimensional (3D) graphene foams (GFs) remain largely unclear. In the present study, we identified the short-term and long-term tissue responses to GFs or graphene oxide foams (GOFs) in a rat model of subcutaneous implantation. Results from blood biochemistry, hematological analysis, histological examination, and behavioral test all indicated nearly no noticeable in vivo toxicity in either GF- or GOF-implanted rats during the first 2 weeks post-implantation. In addition, hematoxylin and eosin (H and E) stained images showed GFs or GOFs remained in the subcutaneous implantation site for at least 7 months without significant degradation after implantation. Our study demonstrates the non-biodegradable feature of GFs and GOFs as implanted scaffolds, while they exhibit good biocompatibility in vivo. It adds new evidence for the in vivo toxicological study of GFs and GOFs, which may provide reference for their biomedical applications.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Graphene and Nanomaterials Applications · Bone Tissue Engineering Materials · Nanoparticles: synthesis and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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