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. 2021 May 1;19:124. doi: 10.1186/s12951-021-00865-w

Fig. 1.

Fig. 1

Fig. 1

a 1H NMR spectra of PEG-b-PAsp and PEG-b-PAsp-g-CA4; b Representative TEM images, size distribution, and zeta potential of the PEG-b-PAsp and PEG-b-PAsp-g-CA4 (also including in pH = 5.5); c GPC curves of PEG-b-PAsp-g-CA4, PEG-b-PAsp, CA4, and PEG-b-PAsp-g-CA4 (in pH = 5.5); d Critical micellar concentration measurement of PEG-b-PAsp and PEG-b-PAsp-g-CA4 in water; e UV–vis absorption spectra of CA4 and drug release of PEG-b-PAsp-g-CA4 in pH 5.5/ 7.4 PBS buffer, distilled water