Graphene oxide-stabilized perfluorocarbon emulsions for controlled oxygen delivery

Area of Science:

• Biomaterials Science
• Nanotechnology
• Medical Engineering

Background:

• Perfluorocarbon (PFC) emulsions are effective for rapid tissue oxygenation but lack sustained oxygen release.
• Existing PFC emulsions are unsuitable for applications requiring prolonged oxygen supply.

Purpose of the Study:

• To design a novel PFC oxygen delivery system with controlled, sustained oxygen release.
• To utilize graphene oxide (GO) as an emulsifier and stabilizer for PFC emulsions.

Main Methods:

• Combination of perfluorodecalin with graphene oxide (GO) to form PFC@GO emulsions.
• Characterization of oxygen release kinetics from the developed emulsions.
• Modulation of release rate by adjusting GO layer thickness.

Main Results:

• PFC@GO emulsions exhibited oxygen release rates at least one order of magnitude slower than conventional PFC emulsions.
• The oxygen release rate was tunable by controlling the GO layer thickness.
• Demonstrated suitability for sustained oxygen delivery applications.

Conclusions:

• The developed PFC@GO emulsions provide a controlled and sustained oxygen release mechanism.
• This system is highly promising for applications such as tissue regeneration and vascular wound healing.
• GO serves as an effective stabilizer and emulsifier, enabling tunable oxygen delivery.