Changes of Mineralogical Properties and Biological Activities of Gypsum and Its Calcined Products with Different Phase Structures

Figure 8

(a) Inhibition ratio of RG, CG150, CG350, and CG750 measured by a plate counting method. (b) Number of live bacteria of E. coli treated with culture medium, with 5 g/mL of RG, CG150, CG350, and CG750 (^∗∗ < 0.01 and ^∗ < 0.05 vs. CG350).

(a)

(b)