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Table 3 Summary of ionic rectification factor on DWCNT membrane after water plasma oxidation to remove gatekeepers

From: Single-step electrochemical functionalization of double-walled carbon nanotube (DWCNT) membranes and the demonstration of ionic rectification

Concentration

Rectification factor

(mM)

Potassium ferricyanide

NDS

Sodium benzenesulfonate

10

3.2 ± 0.3

1.7 ± 0.2

2.4 ± 0.2

50

2.8 ± 0.3

1.5 ± 0.07

2.0 ± 0.2

100

2.4 ± 0.2

1.4 ± 0.0.02

2.0 ± 0.2

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