Fig. 4From: Seaweed-based alginate/hydroxyapatite composite for the effective removal of bacteria, cyanobacteria, algae, and crystal violet from waterKinetics of E. coli disinfection using different concentrations of zinc alginate/ nanohydroxyapatite beads at different initial bacterial concentrations of (a) 104, (b) 105, and (c) 106 CFU mL.-1Back to article page