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. 2017 Feb 17;15:14. doi: 10.1186/s12951-017-0249-6

Fig. 2.

Fig. 2

Variation of the r 2 (a) and Dh values (b) of PMA-IONs loaded in hydrogels made of HEC (grey, solid line), CMC (grey, dash line) and CP (black, solid line) over time. The water suspension of PMA-IONs (black, dash line) was used as control