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Researchers develop graphene-based same-time, same-position biomolecule isolation and sensing

Researchers from the University of Massachusetts Amherst have demonstrated an advance in using graphene for electrokinetic biosample processing and analysis, that could allow lab-on-a-chip devices to become smaller and achieve results faster.

The team developed devices that incorporate microelectrodes made of monolayer graphene. They found that the electrolysis stability over time for graphene microelectrodes is >103× improved compared to typical microfabricated inert-metal microelectrodes. Through transverse isoelectric focusing between graphene microelectrodes, within minutes, specific proteins can be separated and concentrated to scales of ∼100 μm.

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Graphene applications, Graphene Sensors, Technical / Research

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