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. 2016 Apr 22;11:217. doi: 10.1186/s11671-016-1434-5

Fig. 4.

Fig. 4

Relationship between surface functionalities and the purification performance. Ions removal efficiencies as a function of a DMC content, b AM + AMPS content, c AM content, d AMPS content and e the proposed binding interaction between functional groups and pollutants