Coffee on the nanoscale: Graphene oxide membrane removes half the caffeine while retaining key compounds

by ARC Centre of Excellence for Carbon Science and Innovation

edited by Sadie Harley , reviewed by Robert Egan

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Add as preferred source UNSW masters research student Yihan Tian. The humble coffee filter has the relatively simple job of letting the coffee through and leaving the grounds behind. But researchers from the ARC Center of Excellence for Carbon Science and Innovation (COE-CSI) are exploring whether a filter operating on the molecular scale can do something much more difficult: separate the caffeine from the coffee itself.