SYSTEM FOR DETECTING RARE CELLS

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This disclosure provides a system for detecting rare cells. The system includes a substrate, an extension coupled to the substrate and extending outwardly from the substrate, and a functionalized graphene oxide disposed on the extension. This disclosure also provides a method for detecting rare cells using the system of this disclosure. The method includes the steps of providing the system and introducing a sample of bodily fluid to the system such that the sample interacts with the functionalized graphene oxide.