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. 2015 Dec 17;10(12):e0145036. doi: 10.1371/journal.pone.0145036

Fig 6. a) Amperometric response of the sensor with successive additions of 1mM D-glucose to the 0.1 M NaOH solution at the constant potential +0.50 v. b) Tear glucose range calibration curve.

Fig 6