Figure 8.

Drug release and PL properties of ibuprofen-loaded Eu3+:ACP porous nanospheres: (a) The drug release curve in SBF of a disk composed of ibuprofen-loaded Eu3+:ACP porous nanospheres, and the inset shows the cumulative drug release percentage versus natural logarithm of release time; (b) XRD pattern of the Eu3+:ACP porous nanosphere drug delivery system after drug release in SBF; and (c) room-temperature PL emission spectra of the drug loaded Eu3+:ACP porous nanospheres before and after drug release.

Chen et al. Nanoscale Research Letters 2011 6:67   doi:10.1186/1556-276X-6-67
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