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Preparation and Characterization of Graphene-Based 3D Biohybrid Hydrogel Bioink for Peripheral Neuroengineering
Published on: May 16, 2022
Biocompatibility of pristine graphene for neuronal interface.
Deshdeepak Sahni1, Andrew Jea, Javier A Mata
1Department of Neurosurgery, Baylor College of Medicine, Houston, TX, USA.
Journal of Neurosurgery. Pediatrics
|March 12, 2013
Summary
Graphene shows promise as a biocompatible material for nerve regeneration. Studies indicate it supports neuronal attachment and growth without significant toxicity, suggesting potential for spinal cord injury repair.
Area of Science:
- Biomaterials Science
- Neuroscience
- Nanotechnology
Background:
- Graphene's unique properties offer potential for neuronal regeneration scaffolds.
- Spinal cord injury (SCI) necessitates advanced biomaterials for effective treatment.
Purpose of the Study:
- To evaluate the in vitro biocompatibility of pristine graphene with primary rat cortical neurons.
- To assess graphene's potential as a bioscaffold for neuronal regeneration.
Main Methods:
- Graphene films prepared via chemical vapor deposition were cultured with rat neurons.
- Cell viability assessed using live/dead staining and lactate dehydrogenase (LDH) assays.
- Neuronal attachment and morphology observed via phase contrast microscopy.
Main Results:
- Graphene surfaces demonstrated comparable neuronal viability to bare control surfaces.
- Lower LDH levels on graphene indicated no increased cytotoxicity compared to controls.
- Neurons successfully attached to graphene and exhibited neuritic process elongation.
Conclusions:
- Pristine graphene is biocompatible with rat cortical neurons in vitro.
- Surface modification to enhance hydrophilicity is needed for improved cellular attachment and growth.
- Graphene holds potential for biomedical applications, particularly in SCI repair scaffolds.
