Fig. 1From: Adsorbed leucaena protein on citrate modified Fe3O4 nanoparticles: synthesis, characterization, and its application as magnetic coagulantThe profile of protein adsorption capacity at various pH (trisodium citrate concentration 0.5 M) (a), various trisodium citrate concentration (protein adsorption at pH 4.0) (b), point of zero charge of Fe3O4 and Fe3O4-CA (trisodium citrate concentration 0.5 M) (c), and pI of leucaena protein (d)Back to article page