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. 2018 Jun 29;8(42):23712–23719. doi: 10.1039/c8ra04066d

Fig. 4. (a) The WCAs on the pure gelatin, GE, GS, GSF. (b) The WCAs on the GSF modified with fluorinated silica nanoparticles of varying sizes. (c) Variation of WCA with the mass ratio of silica nanoparticles and GE. (d) The WCAs change with the soaking time in water.

Fig. 4