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Table 1 The encapsulation efficiencies (EEs) of RHE and DOX in their self-assembled nanoparticles (NPs)

From: Synergistic inhibition of metastatic breast cancer by dual-chemotherapy with excipient-free rhein/DOX nanodispersions

Molar ratio

RHE (%)

DOX (%)

RHE/DOX = 1:0.5

98.29 ± 0.58

70.26 ± 3.47

RHE/DOX = 1:1

96.23 ± 0.22

50.98 ± 7.72

RHE/DOX = 1:2

94.14 ± 2.51

30.54 ± 5.81