fig15
![Organic cage-based frameworks: from synthesis to applications](https://image.oaes.cc/74e79632-7081-4c1b-98a9-2b93b3d8c8af/cs4001.fig.15.jpg)
Figure 15. Change of fluorescence intensity of OCF-5 caused by bubbling CO2 (A) and N2 (B)[40]. Copyright 2018, Wiley-VCH; (C) Schematic illustration of the synthesis of OCF-47 through the solvothermal reaction; (D) Time-dependent IBU release plot of OCF-47. (C and D) were reproduced with permission[98]. Copyright 2021, Royal Society of Chemistry. OCF: Organic cage-based framework; IBU: ibuprofen.