Factor Mean Standard deviation p-value Ag NPs 0.255 0.015 p<0.001 TiO2 NPs 0.653 0.001 p<0.001 Aqueous extract 0.359 0.007 p<0.001 AgNO3 0.320 0.003 p<0.01 TiO(OH)2 0.747 0.018 p<0.001 Control 0.989 0.016 p<0.001 The significance between synthesized Ag NPs and aqueous leaves extract of E. prostrata, AgNO3, and TiO(OH)2 solutions and synthesized TiO2 NPs (Factor). Lowest percentage cell viability was found with synthesized Ag NPs. It was significantly lower than all other factor.

Table 2: The mean % cell viability test by one way ANOVA and Dunnett`s multiple comparison test.