Graphene Interfaced with Biological Cells: Opportunities and Challenges

Area of Science:

• Nanomaterials science
• Biophysics
• Cellular biology

Background:

• Bio/nano systems leverage nanomaterials for biosensors, drug delivery, and cellular devices.
• Graphene, a 2-D carbon allotrope, shows promise for interfacing with biological cells.
• Graphene's unique electronic properties enable detection of cellular phenomena.

Purpose of the Study:

• To review recent advancements in graphene/cell interfacial devices.
• To elucidate the principles of graphene's charge-carrier modulation by cellular membranes.
• To explore the potential and challenges of graphene-biocellular systems.

Main Methods:

• Interfacing graphene with biological cells.
• Analyzing graphene's quantum mechanical properties.
• Investigating cellular membrane interactions with graphene.

Main Results:

• Graphene acts as a sensitive platform for detecting intracellular and extracellular events.
• Cellular membrane interactions modulate graphene's charge-carrier properties.
• Graphene's sensitivity stems from its unique electronic structure and large surface area.

Conclusions:

• Graphene-based systems offer novel avenues for biosensing and cellular interfacing.
• Understanding cell wall electronegativity and chemical potential is key to optimizing graphene doping.
• Further research is needed to overcome challenges and unlock the full potential of graphene-biocellular systems.