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. 2014 Nov 11;9:5189–5201. doi: 10.2147/IJN.S71304

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© 2014 Choi et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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Nanoparticles packed in hydrogel displayed delayed release under physiological conditions.

Notes: Hydrogels encompassing nanoparticles are kept in PBS for predetermined periods of time (A). Fluorescence measured in wells containing hydrogels results from supernatants carrying released particles. The cumulative release of particles is calculated based on a standard curve constructed by measuring fluorescence intensities of different concentrations of standard (B).

Abbreviations: PBS, phosphate-buffered saline; FITC, fluorescein isothiocyanate; TaO, tantalum oxide.