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. 2015 Jun 18;13:42. doi: 10.1186/s12951-015-0103-7

Figure 4.

Figure 4

Transmission electron microscopic micrograph of PNiPAAm8-b-PCL20 micelles (a) and storage stability of PNiPAAm8-b-PCL20 micelles determined by average size and zeta potential (b). Each value represents the mean ± SD (n = 4).