Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40643-019-0277-1/MediaObjects/40643_2019_277_Fig2_HTML.png)
Synthesis of RGD–PEG2000–DSPE. a scheme of the synthesis of RGD–PEG2000-DSPE; b MALDI-TOF mass spectra of the synthesized RGD–PEG2000–DSPE conjugate
Synthesis of RGD–PEG2000–DSPE. a scheme of the synthesis of RGD–PEG2000-DSPE; b MALDI-TOF mass spectra of the synthesized RGD–PEG2000–DSPE conjugate