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Visualization of DSPE-PEG modified surface and liposome binding/spreading using AFM. Topography images of DSPE-PEG layer with (A) 3 nm and (B) 6 nm of vertical scale. Topography image of (C) MDR1-free tBLM and (D) MDR1-integrated tBLM. Dissipation image of (E) MDR1-integrated tBLM.
