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

Дата публикации: 18-09-2026 16:40:04

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.

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