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. 2021 Aug 13;16:5479–5494. doi: 10.2147/IJN.S313339

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© 2021 Jin et al.

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Cell apoptosis in 4T1 cells 48 h after treating with various NPs (N/P = 30, C/N = 1/5, PTX content: 6.04%, 50 nM of siRNA per well). The cells were stained with Annexin V-FITC/PI for 15 min.