There is provided a method of producing microparticles using an emulsion based synthesis route including the steps of - providing a first fluid phase and a second fluid phase, wherein the second fluid phase is a dispersed phase comprising a dispersed material, - mixing the first fluid phase and the second dispersed phase in a shear device to form an emulsion, and -drying the emulsion to form microparticles. There is further provided microparticles produced by the method of the specification, wherein the particles are of substantially uniform size and further superparamagnetic microparticles having a high surface area per unit volume and high magnetic mobility.
