The precipitate could be readily redispersed in the solvents such as cyclohexane, chloroform, or 1-butanol.Figure 2The Fe3O4nanoparticles hydrophobized by coating of oleic acid, dispersed in different systemPreparation of PHPP-SMNPsConsidering the size of the emulsion droplet is directly related to the final nanoparticle size, the formation of the emulsion is the key aspect.