Nature CommunicationsDirect electrochemical appraisal of black coffee quality using cyclic voltammetryRobin E. BumbaughDoran L. PenningtonLena C. WehnElias J. RheingoldJoshua R. WilliamsBenjamín J. AlemánChristopher H. Hendon2026-04-28Full textDOI https://doi.org/10.1038/s41467-026-71526-5