Dr. Dionysius Joseph Djoko Herry Santjojo
Research ScientistUniversity of Brawijaya, Indonesia
Highest Degree
PostDoc. in Material Science Engineering from University of Tokyo, Japan
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Area of Interest:
Selected Publications
- Wulandari, I.O., D.J.D.H. Santjojo, R.A. Shobirin and A. Sabarudin, 2017. Characteristics and magnetic properties of chitosan-coated Fe3O4 nanoparticles prepared by ex-situ co-precipitation method. Rasayan J. Chem., 10: 1348-1358.
Direct Link | - Sabarudin, A., R. Wahid, F.C. Nalle, R.A. Shobirin and D.J.D.H. Santjojo, 2017. Designed structure and magnetic characteristic studies of magnetic iron oxide (fe3o4) nanoparticles coated by polyvinyl alcohol and polyvinyl alcohol-linked with glutaraldehyde. Rasayan J. Chem., 10: 1261-1270.
Direct Link | - Masruroh, M., M.A.M.A. Hanif, S.P. Sakti and D.J.D.H. Santjojo, 2017. Plasma power effect on the surfaces of a quartz crystal. Int. J. Technol., 8: 1525-1532.
Direct Link | - Herdianto, H. and D.J.D.H. Santjojo, 2017. Optimization of process parameters in the RF-DC plasma N2-H 2 for AISI420 molds and dies. J. Phys., Vol. 909. 10.1088/1742-6596/909/1/012027/meta.
CrossRef | Direct Link | - Mardila, V.T., I.O. Wulandari, R.A. Shobirin, D.J. Santjojo and A. Sabarudin, 2016. In-situ synthesis and characterization of chitosan-fe3o4 nanoparticles using tripolyphosphate/citrate as cross-linker. Scient. Study Res. Chem. Chem. Eng. Biotechnol. Food Ind., 17: 249-260.
Direct Link | - Kurniawan, S., H.S.D.J.D. Satjojo and S.P. Sakti, 2016. Voltage-current measurement and circuit model simulation to characterize electrical properties of 40 kHz Capacitive Coupled Plasma (CCP) by means of pressure variation. Applied Phys. Res., 8: 10-15.
Direct Link | - Djoko, D.J.D.H., S. Rahayu and S.P. Sakti, 2016. Viscoelastic and morphological behavior of stearic acid layer on top of polystyrene as immobilisation matrix for QCM sensor. Mater. Sci. Forum, 848: 757-762.
Direct Link | - Santjojo, D.J., S. Widyarti and F. Robiandi, 2015. Functionality of ZnPc thin film deposited on polystyrene interlayer for immobilization of biomolecules in QCM based biosensor. Mater. Sci. Forum, 827: 266-270.
CrossRef | - Djoko, D.J.D.H., L.A. Didik, E. Rachmawati, F. Robiandi, M. Padaga and S.P. Sakti, 2015. Modification of polystyrene morphology and its influence to the coated zinc phthalocyanine layer and frequency change in QCM sensor. Mater. Sci. Forum, 827: 257-261.
Direct Link | - Wardana, I.N.G. and D.J. Santjojo, 2014. Comparison of AISI 316L plasma nitriding behavior in low and medium temperature. Applied Mech. Mater., 493: 755-760.
Direct Link | - Djoko, D.J.D.H., L.A. Didik, E. Rahmawati, M. Pagaga and S.P. Sakti, 2014. Solvent effect on morphology of polystyrene coating and their role to improvement for biomolecule Immobilization in application of QCM based biosensor. Applied Mech. Mater., 530: 54-57.
Direct Link | - Sakti, S.P. and D.J.D.H. Santjojo, 2012. Improvement of biomolecule immobilization on polystyrene surface by increasing surface roughness. J. Biosen. Bioel., 3: 3-7.
CrossRef | - Santjojo, D.J., T. Aizawa and S. Muraishi, 2007. Ellipsometric characterization on multi-layered thin film systems during hydrogenation. Mater. Trans., 48: 1380-1386.
CrossRef | - Jennings, P.J., J.C.L. Cornish, B.W. Clare, G.T. Hefter and D.J. Santjojo, 1997. A study of the effects of annealing and outgassing on hydrogenated amorphous silicon. Thin Solid Films, 310: 156-160.
CrossRef | Direct Link | - Clare, B.W., P.J. Jennings, J.C. Cornish, G.T. Hefter and D.J. Santjojo, 1996. Simulation of the infrared spectra of amorphous silicon alloys. J. Comput. Chem., 17: 306-312.
CrossRef | Direct Link | - Clare, B.W., J.C.L. Cornish, G.T. Hefter, P.J. Jennings, C.P. Lund, D.J. Santjojo and M.O.G. Talukder, 1996. Studies of photodegradation in hydrogenated amorphous silicon. Thin Solid Films, 288: 76-82.
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