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Qualifications: B.Eng. (USM), M.Sc., Ph.D. (Carnegie Mellon)
Expertise: Magnetophoresis of nanostructured magnetic colloid, Colloidal-based localized surface plasmon resonance, Colloidal stability and dispersion, Electroosmosis and dielectrophoresis of colloidal particles


    1. H.X. Che, S.J. Gwee, W.M. Ng, A.L. Ahmad, J.K. Lim, “Design of core-shell magnetic nanocomposite by using linear and branched polycation as an ad-layer: Influences of the structural and viscoelastic properties”, Colloid and Surface A 539 (2018) 209 – 220.
    2. H.X. Che, S.S. Leong, W.M. Ng, A.L. Ahmad, J.K. Lim, “Deposition kinetic of iron oxide nanoparticles on a poly(diallydimethylammonium chloride) coated silica surface: Influences on formation of a softer particle-polyelectrolyte layer”, The Journal of Physical Chemistry C 121 (2017) 20777 – 20789.
    3. S.S. Leong, A. Zainal, J. Camacho, J. Faraudo, J.K. Lim, “Kinetics of low field gradient magnetophoresis in the presence of magnetically induced convection”, The Journal of Physical Chemistry C 121 (2017) 5389 – 5407.
    4. S.S. Leong, S.P. Yeap, J.K. Lim, “Working principle and application of magnetic separation for biomedical diagnostic at high- and low-field gradient”, Interface Focus 6 (2016) 0048.
    5. S.S. Leong, Z. Ahmad, J.K. Lim, “Magnetophoresis of superparamagnetic nanoparticles at low field gradient: hydrodynamic effect” Soft Matter 11 (2015) 6968—6980.
    1. Hydrodynamic influences on magnetophoresis at low field gradient
    2. Colloidal stability and magnetophoresis of superparamagnetic nanoparticles coated graphene
    3. Magnetotaxis of biomotor: External force field vs self-swimming
    1. Design and synthesis of surface functionalized magnetic nanocolloid tailor toward large scale engineering applications.
    2. Design and synthesis magnetic shell composite nanoparticles with catalytic and magnetic bifunctionalities.
    3. Hydrodynamic fluid flow behavior of low field gradient magnetophoresis.
    1. Design and synthesis of nanostructured magnetic colloid augmented polymeric capsule for water remediation.
    2. Kinematic study of motile microalgae under the influences of low magnetic field gradient.
    3. Magnetophoresis of superparamagnetic nanoparticles stabilized pickering emulsion.