Fig. 2

The basic manifestations and standard curve of nanoparticles. a Nuclear magnetic spectra of compound PEG-PAM-PAN indicated that the self-assembly was successful; b UV–Vis spectra of DOX solution in PBS with different concentration and the absorptance of DOX was concentration-dependent; c, d The particle size of PEG-PAM-PAN and PEG-PAM-PAN@DOX was 113.4 nm (PDI = 0.241) and 127.2 nm (PDI = 0.152) characterized by DLS