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. 2023 Jul 20;18:3989–4005. doi: 10.2147/IJN.S417445

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© 2023 Yang et al.

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Drug release of GEM/PPP hydrogel in vitro and in vivo. (A) Cumulative amounts of GEM were released from GEM/PPP hydrogel at different pH conditions (pH 7.4 and 5.0). (B) Real-time in vivo fluorescent imaging of nude mice with subcutaneous injection of Cy5.5 solution or Cy5.5/PPP hydrogel. All images shown in the same group were from the same mouse. (C) The fluorescence intensity of mice. All data were obtained with 3 independent repeated experiments and presented as mean ± SD.