Optimization of Glutathione Adhesion Process to Modified Graphene Surfaces

Area of Science:

• Materials Science
• Surface Chemistry
• Nanotechnology

Background:

• Graphene's unique properties make it a promising material for various applications.
• Surface functionalization is crucial for tailoring graphene's properties.
• Developing efficient methods for graphene modification is an active research area.

Purpose of the Study:

• To optimize the functionalization of graphene surfaces using a liquid bimetallic matrix method.
• To utilize glutathione (GSH) as a peptide model for efficient surface modification.
• To accurately quantify the amount of GSH attached to the graphene surface.

Main Methods:

• Graphene synthesis via growth on liquid bimetallic matrices.
• Surface functionalization using glutathione (GSH) as a peptide model.
• Quantification of GSH using the Folina-Ciocalteu method.
• Characterization of surface morphology, graphene quality, and chemical structure using Raman spectroscopy, SEM, and FTIR.

Main Results:

• Successful functionalization of graphene surfaces was achieved.
• The Folina-Ciocalteu method provided an effective way to quantify peptide bonds on graphene.
• Characterization techniques confirmed the successful modification of the graphene surface and its chemical structure.

Conclusions:

• The presented method enables efficient functionalization of graphene surfaces.
• Glutathione serves as an effective peptide model for optimizing this process.
• The developed approach is suitable for creating modified graphene materials for advanced applications.