Fig. 2. Alginate submicron bead in a MCT oil phase gelled with CaCl2 nanoparticles and examined with energy dispersive X-ray spectrometer [AlginateeCaCl2$2H2O weight
ratio ¼ 7:54]. a. Scanned area for X-ray image mapping in the sample. b. X-ray image mapping of chlorine (purple), calcium (blue), oxygen (green) and carbon (red) for (a). c. Line
scan of an alginate submicron bead in a MCT oil phase gelled with CaCl2 nanoparticles with intensity for calcium (For interpretation of the references to color in this figure legend,
the reader is referred to the web version of this article.).