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. 2020 May 5;49(3):279–288. doi: 10.1007/s00249-020-01433-0

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© The Author(s) 2020

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Fig. 1 — Cyclic voltommograms of DMPC films spiked with MK-4, -7, and -9 at pH 7.4 and 12. The film composition was 300 µmol DMPC + 2 µmol menaquinones. The scan rate was 25 mV s⁻¹