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Graphene oxide-stabilized perfluorocarbon emulsions for controlled oxygen delivery


Graphene oxide-stabilized perfluorocarbon emulsions for controlled oxygen delivery



Nanoscale 9(29): 10161-10166



ISSN/ISBN: 2040-3364

PMID: 28702585

DOI: 10.1039/c7nr00378a

Perfluorocarbon (PFC) emulsions are capable of absorbing large quantities of oxygen. They are widely used as blood alternates for quick oxygenation of tissues. However, they are unsuitable for applications where sustained oxygen supply is desired over an extended period of time. Here, we have designed a new PFC oxygen delivery system that combines perfluorodecalin with graphene oxide (GO), where GO acts both as an emulsifier and a stabilizing agent. The resulting emulsions ([email protected]) release oxygen at least one order of magnitude slower than emulsions prepared with other common surfactants. The release rate can be controlled by varying the thickness of the GO layer. Controlled release of oxygen make these emulsions excellent oxygen carriers for applications where sustained oxygen delivery is required e.g. in tissue regeneration and vascular wound healing.

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Accession: 059780057

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