Fig. 1

Characterization of CCm–HSA–ICG–PFTBA. a Size intensity curves, b hydrodynamic size, c Zeta potential of CCm–HSA–ICG–PFTBA, HSA–ICG–PFTBA, and cancer cell membrane (CCm). d Stability of CCm–HSA–ICG–PFTBA and HSA–ICG–PFTBA. e–i TEM images of e–h CCm–HSA–ICG–PFTBA, f–i HSA–ICG–PFTBA, and g CCm. Scale bars = 30 nm and 50 nm. Data are represented as mean ± SD (n = 3)