Bioapplications of graphene constructed functional nanomaterials

Area of Science:

• Materials Science
• Biomedical Engineering
• Nanotechnology

Background:

• Graphene exhibits unique mechanical, electronic, and optical properties, driving innovation in electronics and energy storage.
• Emerging applications of graphene extend to biomedical fields, including biosensing, cell manipulation, and mass spectrometry.
• Graphene oxides (GO) are particularly promising due to their aqueous processability and functionalizability.

Purpose of the Study:

• To review recent advancements in applying graphene and graphene oxides (GO) to biomedical research.
• To explore various preparation methods for graphene-based materials tailored for biomedical applications.
• To provide a perspective on the future potential of graphene in medicine.

Main Methods:

• Chemical exfoliation of graphite to produce graphene oxides (GO).
• Chemical vapor deposition (CVD) for synthesizing large-area graphene.
• Functionalization of graphene materials for specific biological interactions.

Main Results:

• Graphene oxides (GO) demonstrate excellent aqueous processability, amphiphilicity, and fluorescence quenching abilities, making them suitable for biological applications.
• Large-area graphene, synthesized via CVD, shows hydrophobicity and flexibility beneficial for cell growth and differentiation.
• Graphene-based materials, including GOs, reduced graphene oxides (rGOs), and graphene quantum dots (GQDs), are being explored for cancer therapy, bio-imaging, and drug delivery.

Conclusions:

• Graphene and its derivatives are versatile materials with significant potential in diverse biomedical applications.
• Tailored preparation methods are crucial for optimizing graphene-based materials for specific medical uses.
• Future research will likely focus on harnessing graphene's unique properties for advanced diagnostics and therapeutics.