Fig. 7From: Unique properties of titanium dioxide quantum dots assisted regulation of growth and biochemical parameters of Hibiscus sabdariffa plantsEffect of different concentrations of TiO2 QDs on total soluble protein and total phenolics of Hibiscus plants. Data are the mean of three replicates ± standard error (error bars, n = 3). Different letters above bars indicate a significant difference between treatments using ANOVA followed by Duncan’s multiple range test (p < 0.05)Back to article page