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Fig. 2 | Journal of Nanobiotechnology

Fig. 2

From: Ultrasmall nanostructured drug based pH-sensitive liposome for effective treatment of drug-resistant tumor

Fig. 2

Synthesis and characterization of LNSDs. a Electrophoretic analysis of TD, a: S1 alone, b: S1 + S2, c: S1 + S2 + S3, d: S1 + S2 + S3 + S4 (TD), M: marker. b AFM image of TD. c Electrophoretic analysis of TD and TD/DOX, a: TD, b: TD/DOX, M: marker. d AFM image of TD/DOX. e TEM images of LNSD, insert: photo of LNSD nanosuspension. f Size and zeta potential of TD, TD/DOX, DOX@liposome and LNSD (n = 3). g TEM images of LNSD at pH 5.0 buffer for 8 h. h DOX release from DOX@liposome or LNSD at pH 5.0 and pH 7.4, respectively (n = 3)

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