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The release profile of free 5-FU (A), free PTX (B), and KLA-5-FU/PTX Lps from release medium at different pH values. All experiments were performed in triplicate. 5-FU, 5-fluorouracil; PTX, paclitaxel; KLA-5-FU/PTX Lps, KLA-modified liposomes co-loaded with 5-FU and PTX.
