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. Author manuscript; available in PMC: 2014 Feb 26.
Published in final edited form as: ACS Nano. 2013 Jan 9;7(2):1178–1187. doi: 10.1021/nn304369m

Fig. 5.

Fig. 5

(A) Cumulative release of doxorubicin from DOX@Gd2O2S:Tb@PSS/PAH at pH 5.0 and 7.4, measured with HPLC. The line fits data to a single exponential curve with a saturation of 27.4 mg. This saturation is calculated based on the fit at pH 5.0. (B) Peak ratio of real time radioluminescence intensity at 544 and 620 nm as a function time in pH 5.0 and pH 7.4 buffers. The line fits data to a single exponential curve with a saturation of 1.93. This saturation is calculated based on the fit at pH 5.0.