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Indonesia
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Professor of Materials Engineering | Biomaterials & Ceramics Specialist | Research & Publication Consultant

Profile Summary
Subject Matter Expertise
Services
Writing Technical Writing
Research Scientific and Technical Research
Consulting Scientific and Technical Consulting, Manufacturing Consulting
Product Development Formulation, Recipe Development, Product Evaluation, Manufacturing
Work Experience

Head

Universitas Indo Global Mandiri

May 2023 - April 2024

Professor

International Islamic University Malaysia

August 2004 - July 2021

Education

D.Eng. (Department of Applied Chemistry, Faculty of Engineering)

University of Tokyo

April 1993 - September 1996

M. Eng. (Industrial Chemistry (Faculty of Science and Technology))

Tokyo University of Science

April 1991 - March 1993

Bachelor of Technology (Industrial Chemistry (Faculty of Science and Technology))

Tokyo University of Science

April 1987 - March 1991

Certifications

  • Chartered Engineer

    The Institute of Materials, Minerals & Mining & The Engineering Council

    April 2020 - Present

  • FIMMM

    The Institute of Materials, Minerals & Mining (IOM3)

    February 2020 - Present

  • FAIC

    The American Institute of Chemists

    September 2019 - Present

  • Certified Chemical Engineer

    The American Institute of Chemists

    February 2020 - June 2023

Publications
JOURNAL ARTICLE
The prediction of hydroxyapatite crystallinity under various ion doping using machine learning @article{Pradana_2025, title={The prediction of hydroxyapatite crystallinity under various ion doping using machine learning}, volume={18}, ISSN={2211-7156}, url={http://dx.doi.org/10.1016/j.rechem.2025.102701}, DOI={10.1016/j.rechem.2025.102701}, journal={Results in Chemistry}, publisher={Elsevier BV}, author={Pradana, Agrin Febrian and Sari, Intan Septia and Federico, Andreas and Kaban, Rio Sudwitama Persadanta and Yusuf, Yusril and Dhaneswara, Donanta and Taufik, Muhammad and Hartatiek and Sopyan, Iis and Fatriansyah, Jaka Fajar}, year={2025}, month=nov, pages={102701} } . Results in Chemistry.
Iis Sopyan, Abdul Rahim Toibah, Singh Ramesh, Maizirwan Mel, Asep Sofwan Faturahman Alqap (2024). Magnesium-enhanced porous hydroxyapatite ceramics: Morphometric parameters, physical properties and bioactivity . Ceramics International.
Hablee, S., Samsudin, N., Sopyan, I., Mel, M., Salleh, H.M., Rahman, M.M., Hashim, Y.Z.H.-Y., Raus, R.A.(2019). Calcium phosphate /poly (Ethylene glycol) bone cement: Cell culture performance . International Journal of Recent Technology and Engineering. 7. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 82-86.
IIS SOPYAN, Sufiamie Hablee, Maizirwan Mel, Hamzah Mohd. Salleh, Md. Mujibur Rahman (2018). Effect of poly(ethylene glycol) on the injectability, setting behavior and mechanical properties of calcium phosphate bone cement . IIUM Engineering Journal.
Iis Sopyan, Nurul Nabilah Razali (2018). Incorporation of Poly(Vinyl Alcohol) for The Improved Properties of Hydrothermal Derived Calcium Phosphate Cements . Indonesian Journal of Chemistry.
Adeleke, S.A., Bushroa, A., Kusumawan Herliansyah, M., Sopyan, I., Jefrey Basirun, W., Ladan, M.(2018). Preparation, scratch adhesion and anti-corrosion performance of TiO<inf>2</inf>-MgO-BHA coating on Ti6Al4V implant by plasma electrolytic oxidation technique . Journal of Adhesion Science and Technology. 32. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 91-102.
Adeleke, S.A., Ramesh, S., Bushroa, A.R., Ching, Y.C., Sopyan, I., Maleque, M.A., Krishnasamy, S., Chandran, H., Misran, H., Sutharsini, U.(2018). The properties of hydroxyapatite ceramic coatings produced by plasma electrolytic oxidation . Ceramics International. 44. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1802-1811.
Mamun, A.A., AlSaadi, M.A., Alam, M.Z., Sopyan, I.(2018). Carbon nanotubes grown on oil palm shell powdered activated carbon as less hazardous and cheap substrate . Applied Nanoscience (Switzerland). 8. (7). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1767-1779.
Ramesh, S., Zulkifli, N., Tan, C.Y., Wong, Y.H., Tarlochan, F., Ramesh, S., Teng, W.D., Sopyan, I., Bang, L.T., Sarhan, A.A.D.(2018). Comparison between microwave and conventional sintering on the properties and microstructural evolution of tetragonal zirconia . Ceramics International. 44. (8). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 8922-8927.
Hablee, S., Sopyan, I., Mel, M., Salleh, H.M., Rahman, M.M.(2018). Effect of poly (Ethylene Glycol) on the injectability, setting behavior, and mechanical properties of calcium phosphate bone cement . IIUM Engineering Journal. 19. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 192-202.
Razali, N.N., Sopyan, I.(2018). Incorporation of poly(Vinyl alcohol) for the improved properties of hydrothermal derived calcium phosphate cements . Indonesian Journal of Chemistry. 18. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 354-361.
Sopyan, I., Pusparini, E., Ramesh, S., Tan, C.Y., Ching, Y.C., Wong, Y.H., Abidin, N.I.Z., Chandran, H., Ramesh, S., Bang, L.T.(2017). Influence of sodium on the properties of sol-gel derived hydroxyapatite powder and porous scaffolds . Ceramics International. 43. (15). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 12263-12269.
Samsudin, N., Hashim, Y.Z.H.-Y., Arifin, M.A., Mel, M., Salleh, H.M., Sopyan, I., Jimat, D.N.(2017). Optimization of ultraviolet ozone treatment process for improvement of polycaprolactone (PCL) microcarrier performance . Cytotechnology. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1-16.
Mardziah, C.M., Masdek, N.R.N., Hyie, K.M., Sopyan, I.(2017). Physicochemical characteristics of magnesium hydroxyapatite (MgHA) derived via wet precipitation method . Journal of Mechanical Engineering. SI 4. (5). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 209-216.
Adeleke, S.A., Bushroa, A.R., Sopyan, I.(2017). Recent development of calcium phosphate-based coatings on titanium alloy implants . Surface Engineering and Applied Electrochemistry. 53. (5). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 419-433.
Samsudin, N., Hashim, Y.Z.H.-Y., Arifin, M.A., Mel, M., Salleh, H.M., Nordin, N., Sopyan, I., Jimat, D.N.(2017). Statistical optimization of gelatin immobilisation on modified surface PCL microcarrier to improve PCL microcarrier compatibility . Jurnal Teknologi. 79. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 167-175.
Sopyan, I., Gunawan, Shah, Q.H., Mel, M.(2016). Fabrication and Sintering Behavior of Zinc-Doped Biphasic Calcium Phosphate Bioceramics . Materials and Manufacturing Processes. 31. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 713-718.
Adzila, S., Ramesh, S., Sopyan, I.(2016). Properties of magnesium doped nanocrystalline hydroxyapatite synthesize by mechanochemical method . ARPN Journal of Engineering and Applied Sciences. 11. (24). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 14097-14100.
Hablee, S., Razali, N.N., Alqap, A.S.F., Sopyan, I.(2016). Recent developments on injectable calcium phosphate bone cement . Recent Patents on Materials Science. 9. (2).
Arifin, M.A., Mel, M., Samsudin, N., Hashim, Y.Z.H.-Y., Salleh, H.M., Sopyan, I., Nordin, N.(2016). Ultraviolet/ozone treated polystyrene microcarriers for animal cell culture . Journal of Chemical Technology and Biotechnology. 91. (10). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 2607-2619.
Alaei, I., Al-Bat&#39;hi, S.A.M., Sopyan, I.(2015). Fabrication and characterization of poly (ethylene oxide) for photo-electronic devices . ARPN Journal of Engineering and Applied Sciences. 10. (22). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 17239-17241.
Mahmood, M.H., Suryanto, Sopyan, I.(2015). Hydrophobic organosilica coating on steel and aluminium . ARPN Journal of Engineering and Applied Sciences. 10. (22). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 17252-17255.
Adeleke, S.A., Sopyan, I., Bushroa, A.R.(2015). Hydroxyapaptite layer formation on titanium alloys surface using micro-arc oxidation . ARPN Journal of Engineering and Applied Sciences. 10. (21). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 10101-10108.
Gunawan, Sopyan, I., Mel, M., Suryanto(2014). Investigations of the effects of initial Zn concentration and sintering conditions on the phase behavior and mechanical properties of Zn-doped bcp . Advances in Environmental Biology. 8. (3 SPEC. ISSUE). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 680-685.
Mamun, A.A., Al-Saadi, M.A., Muyibi, S.A., Alam, M.Z., Sopyan, I.(2014). Kinetics of cadmium adsorption by CNTs grown on PACs . International Journal of Nanoelectronics and Materials. 7. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 25-33.
Gunawan, Sopyan, I., Mel, M., Suryanto(2014). Preparation of zinc doped-biphasic calcium phosphate/carbon nanotube composites . Advances in Environmental Biology. 8. (3 SPEC. ISSUE). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 787-791.
Gunawan, Sopyan, I., Suryant, Naqshbandi, A.(2014). Zinc-doped biphasic calcium phosphate nanopowders synthesized via sol-gel method . Indian Journal of Chemistry - Section A Inorganic, Physical, Theoretical and Analytical Chemistry. 53. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 152-158.
Naqshbandi, A.R., Sopyan, I., Gunawan(2013). Development of porous calcium phosphate bioceramics for bone implant applications: A review . Recent Patents on Materials Science. 6. (3). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 238-252.
Adzila, S., Sopyan, I., Yong, T.C., Singh, R., Hoong, W.Y., Purbolaksono, J., Hamdi, M.(2013). Mechanochemical synthesis of nanohydroxyapatite bioceramics . Indian Journal of Chemistry - Section A Inorganic, Physical, Theoretical and Analytical Chemistry. 52. (12). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1570-1575.
Adzila, S., Sopyan, I., Singh, R., Pusparini, E., Hamdi, M.(2013). Mechanochemical synthesis of sodium doped hydroxyapatite powder . Indian Journal of Chemistry - Section A Inorganic, Physical, Theoretical and Analytical Chemistry. 52. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 739-743.
Al-Bat&#39;hi, S.A.M., Alaei, I., Sopyan, I.(2013). Natural photosensitizers for dye sensitized solar cells . International Journal of Renewable Energy Research. 3. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 138-143.
Aziz, R.A., Sopyan, I.(2013). Photocatalytic decomposition of acetaldehyde gas on TiO<inf>2</inf>-SiO<inf>2</inf> thin film photocatalyst - A kinetic analysis . Indian Journal of Chemical Technology. 20. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 137-144.
Ramesh, S., Adzila, S., Jeffrey, C.K.L., Tan, C.Y., Purbolaksono, J., Noor, A.M., Hassan, M.A., Sopyan, I., Teng, W.D.(2013). Properties of hydroxyapatite synthesize by wet chemical method . Journal of Ceramic Processing Research. 14. (4). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 448-452.
Adzila, S., Murad, M.C., Sopyan, I.(2012). Doping metal into calcium phosphate phase for better performance of bone implant materials . Recent Patents on Materials Science. 5. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 18-47.
Sopyan, I., Fadli, A., Mel, M.(2012). Effect of hydroxyapatite and tricalcium phosphate addition on protein foaming-consolidation porous alumina . Journal of Porous Materials. 19. (5). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 733-743.
Rahman, M.M., Nor, S.S.M., Rahman, H.Y., Sopyan, I.(2012). Effects of forming parameters and sintering schedules to the mechanical properties and microstructures of final components . Materials and Design. 33. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 153-157.
Sopyan, I., Fadli, A.(2012). Floating porous alumina from protein foaming-consolidation technique for cell culture application . Ceramics International. 38. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 5287-5291.
Ramesh, S., Purbolaksono, J., Hamdi, M., Sopyan, I., Tolouei, R., Amiriyan, M., Tarlochan, F., Teng, W.D.(2012). Low-temperature degradation (LTD) behaviour of CuO-doped tetragonal zirconia ceramic . Ceramics - Silikaty. 56. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 15-19.
Sopyan, I., Fadli, A., Mel, M.(2012). Porous alumina-hydroxyapatite composites through protein foaming-consolidation method . Journal of the Mechanical Behavior of Biomedical Materials. 8. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 86-98.
Sopyan, I., Rahim, T.A.(2012). Porous magnesium-doped biphasic calcium phosphate ceramics prepared via polymeric sponge method . Materials and Manufacturing Processes. 27. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 702-706.
Ramesh, S., Tolouei, R., Amiriyan, M., Tan, C.Y., Sopyan, I., Hamdi, M., Purbolaksono, J., Teng, W.D.(2012). Sintering and mechanical properties of MgO-doped HA bioceramic . Advanced Science Letters. 14. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 278-280.
Ramesh, S., Tan, C.Y., Tolouei, R., Amiriyan, M., Purbolaksono, J., Sopyan, I., Teng, W.D.(2012). Sintering behavior of hydroxyapatite prepared from different routes . Materials and Design. 34. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 148-154.
Ramesh, S., Tan, C.Y., Yeo, W.H., Tolouei, R., Amiriyan, M., Sopyan, I., Teng, W.D.(2011). Effects of bismuth oxide on the sinterability of hydroxyapatite . Ceramics International. 37. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 599-606.
Sopyan, I., Ramesh, S., Nawawi, N.A., Tampieri, A., Sprio, S.(2011). Effects of manganese doping on properties of sol-gel derived biphasic calcium phosphate ceramics . Ceramics International. 37. (8). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 3703-3715.
Sopyan, I., Hafizah, N., Jamal, P.(2011). Immobilization of TiO<inf>2</inf> with cement: Photocatalytic degradation of phenol and its kinetic studies . Indian Journal of Chemical Technology. 18. (4). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 263-270.
Nawawi, N.A., Sopyan, I., Ramesh, S., Afzeri(2011). Phase behaviour of manganese-doped biphasic calcium phosphate ceramics synthesized via sol-gel method . Asia-Pacific Journal of Chemical Engineering. 6. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 823-831.
Fadli, A., Sopyan, I., Mel, M., Ahmad, Z.(2011). Porous alumina through protein foaming-consolidation method: Effect of dispersant concentration on the physical properties . Asia-Pacific Journal of Chemical Engineering. 6. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 863-869.
Fadli, A., Sopyan, I.(2011). Porous ceramics with controllable properties prepared by protein foaming-consolidation method . Journal of Porous Materials. 18. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 195-203.
Nawawi, N.A., Alqap, A.S.F., Sopyan, I.(2011). Recent Progress on hydroxyapatite-based dense biomaterials for load bearing bone substitutes . Recent Patents on Materials Science. 4. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 63-80.
Sopyan, I., Nawawi, N.A., Shah, Q.H., Ramesh, S., Tan, C.Y., Hamdi, M.(2011). Sintering and properties of dense manganese-doped calcium phosphate bioceramics prepared using sol-gel derived nanopowders . Materials and Manufacturing Processes. 26. (7). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 908-914.
Rashmi, W., Ismail, A.F., Sopyan, I., Jameel, A.T., Yusof, F., Khalid, M., Mubarak, N.M.(2011). Stability and thermal conductivity enhancement of carbon nanotube nanofluid using gum arabic . Journal of Experimental Nanoscience. 6. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 567-579.
Diana, F., Sopyan, I., Mel, M.(2011). Synthesis of TiO <inf>2</inf> nanosized powder photocatalyst via solgel method for bacteria inactivation application . Malaysian Journal of Microscopy. 7. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 161-169.
Alsaadi, M.A., Al-Mamun, A., Muyibi, S.A., Alam, M.Z., Sopyan, I., Atieh, M.A., Ahmed, Y.M.(2011). Synthesis of various carbon nanomaterials (CNMs) on powdered activated carbon . African Journal of Biotechnology. 10. (81). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 18892-18905.
Toque, J.A., Herliansyah, M.K., Hamdi, M., Ide-Ektessabi, A., Sopyan, I.(2010). Adhesion failure behavior of sputtered calcium phosphate thin film coatings evaluated using microscratch testing . Journal of the Mechanical Behavior of Biomedical Materials. 3. (4). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 324-330.
Fariza, A.R., Zuraida, A., Sopyan, I.(2010). Application of low cost polyurethane (PU) foam for fabricating porous tri-calcium phosphate (TCP) . Journal of Biomimetics, Biomaterials, and Tissue Engineering. 8. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1-7.
Toque, J.A., Hamdi, M., Ide-Ektessabi, A., Sopyan, I.(2009). Effect of the processing parameters on the integrity of calcium phosphate coatings produced by RF-magnetron sputtering . International Journal of Modern Physics B. 23. (31). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 5811-5818.
Alqap, A.S.F., Sopyan, I.(2009). Low temperature hydrothermal synthesis of calcium phosphate ceramics: Effect of excess Ca precursor on phase behaviour . Indian Journal of Chemistry - Section A Inorganic, Physical, Theoretical and Analytical Chemistry. 48. (11). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1492-1500.
Sopyan, I., Hafizah, N.(2009). Nanosized TiO<inf>2</inf> photocatalyst powder via sol-gel method: Effect of hydrolysis degree on powder properties . International Journal of Photoenergy. 2009.
Sopyan, I., Kaur, J.(2009). Preparation and characterization of porous hydroxyapatite through polymeric sponge method . Ceramics International. 35. (8). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 3161-3168.
Sopyan, I., Natasha, A.N.(2009). Preparation of nanostructured manganese-doped biphasic calcium phosphate powders via sol-gel method . Ionics. 15. (6). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 735-741.
Fadli, A., Sopyan, I.(2009). Preparation of porous alumina for biomedical applications through protein foaming-consolidation method . Materials Research Innovations. 13. (3). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 327-329.
Aziz, R.A., Sopyan, I.(2009). Recent progress on development of TiO<inf>2</inf> thin film photocatalysts for pollutant removal . Recent Patents on Materials Science. 2. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 88-111.
Mardziah, C.M., Sopyan, I., Ramesh, S.(2009). Strontium-doped hydroxyapatite nanopowder via sol-gel method: Effect of strontium concentration and calcination temperature on phase behavior . Trends in Biomaterials and Artificial Organs. 23. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 105-113.
Aziz, R.A., Sopyan, I.(2009). Synthesis of TiO<inf>2</inf>-SiO<inf>2</inf> powder and thin film photocatalysts by sol-gel method . Indian Journal of Chemistry - Section A Inorganic, Physical, Theoretical and Analytical Chemistry. 48. (7). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 951-957.
Sopyan, I., Rosli, A., Raihana, M.F.(2008). A novel hydrothermal process to produce hydroxyapatite powders . The Medical journal of Malaysia. 63 Suppl A. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 81-82.
Mel, M., Sopyan, I., Nor, Y.A.(2008). Cell attachment study of chicken fibroblast cell (DF-1) using ceramic microcarrier granule in bioreactors . The Medical journal of Malaysia. 63 Suppl A. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 18-20.
Ramesh, S., Tan, C.Y., Bhaduri, S.B., Teng, W.D., Sopyan, I.(2008). Densification behaviour of nanocrystalline hydroxyapatite bioceramics . Journal of Materials Processing Technology. 206. (1-3). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 221-230.
Tan, C.Y., Ramesh, S., Aw, K.L., Yeo, W.H., Hamdi, M., Sopyan, I.(2008). Effect of powder calcination on the sintering of hydroxyapatite . The Medical journal of Malaysia. 63 Suppl A. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 87-88.
Natasha, A.N., Sopyan, I., Mel, M., Ramesh, S.(2008). Influence of manganese doping into HA powders on the properties of its dense bodies . The Medical journal of Malaysia. 63 Suppl A. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 85-86.
Sopyan, I., Toibah, A.R., Natasha, A.N.(2008). Nanosized bioceramic hydroxyapatite powders via sol-gel method . International Journal of Mechanical and Materials Engineering. 3. (2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 133-138.
Sopyan, I.(2008). Recent development on porous calcium phosphate ceramics for biomedical application . The Medical journal of Malaysia. 63 Suppl A. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 14-15.
Ramesh, S., Tan, C.Y., Aw, K.L., Yeo, W.H., Hamdi, M., Sopyan, I., Teng, W.D.(2008). Sintering behaviour of hydroxyapatite bioceramics . The Medical journal of Malaysia. 63 Suppl A. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 89-90.
Toibah, A.R., Sopyan, I., Mel, M.(2008). Synthesis and characterization of magnesium doped biphasic calcium phosphate . The Medical journal of Malaysia. 63 Suppl A. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 83-84.
Mardziah, C.M., Sopyan, I., Hamdi, M., Ramesh, S.(2008). Synthesis and characterization of strontium-doped hydroxyapatite powder via sol-gel method . The Medical journal of Malaysia. 63 Suppl A. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 79-80.
Sopyan, I., Singh, R., Hamdi, M.(2008). Synthesis of nano sized hydroxyapatite powder using sol-gel technique and its conversion to dense and porous bodies . Indian Journal of Chemistry - Section A Inorganic, Physical, Theoretical and Analytical Chemistry. 47. (11). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1626-1631.
Ramesh, S., Tan, C.Y., Sopyan, I., Hamdi, M., Teng, W.D.(2007). Consolidation of nanocrystalline hydroxyapatite powder . Science and Technology of Advanced Materials. 8. (1-2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 124-130.
Sopyan, I.(2007). Kinetic analysis on photocatalytic degradation of gaseous acetaldehyde, ammonia and hydrogen sulfide on nanosized porous TiO2 films . Science and Technology of Advanced Materials. 8. (1-2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 33-39.
Sopyan, I., Mel, M., Ramesh, S., Khalid, K.A.(2007). Porous hydroxyapatite for artificial bone applications . Science and Technology of Advanced Materials. 8. (1-2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 116-123.
Bezzi, G., Celotti, G., Landi, E., La Torretta, T.M.G., Sopyan, I., Tampieri, A.(2003). A novel sol-gel technique for hydroxyapatite preparation . Materials Chemistry and Physics. 78. (3). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 816-824.
Sopyan, I., Watanabe, M., Murasawa, S., Hashimoto, K., Fujishima, A.(1996). A film-type photocatalyst incorporating highly active TiO<inf>2</inf> powder and fluororesin binder: Photocatalytic activity and long-term stability . Journal of Electroanalytical Chemistry. 415. (1-2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 183-186.
Sopyan, I., Watanabe, M., Murasawa, S., Hashimoto, K., Fujishima, A.(1996). An efficient TiO<inf>2</inf> thin-film photocatalyst: Photocatalytic properties in gas-phase acetaldehyde degradation . Journal of Photochemistry and Photobiology A: Chemistry. 98. (1-2). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 79-86.
Sopyan, I., Watanabe, M., Murasawa, S., Hashimoto, K., Fujishima, A.(1996). Efficient TiO<inf>2</inf>powder and film photocatalysts with rutile crystal structure . Chemistry Letters. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 69-70.
Gunji, T., Sopyan, I., Abe, Y.(1994). Synthesis of polytitanosiloxanes and their transformation to SiO<inf>2</inf>–TiO<inf>2</inf> ceramic fibers . Journal of Polymer Science Part A: Polymer Chemistry. 32. (16). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 3133-3139.
CONFERENCE PAPER
Samsudin, N., Hashim, Y.Z.H., Arifin, M.A., Mel, M., Mohd Salleh, H., Sopyan, I., Abdul Hamid, M.(2018). Surface modification of Polycaprolactone (PCL) microcarrier for performance improvement of human skin fibroblast cell culture . IOP Conference Series: Materials Science and Engineering. 290. (1).
Razali, N.N., Sukardi, M.A., Sopyan, I., Mel, M., Salleh, H.M., Rahman, M.M.(2018). The effects of excess calcium on the handling and mechanical properties of hydrothermal derived calcium phosphate bone cement . IOP Conference Series: Materials Science and Engineering. 290. (1).
Hablee, S., Sopyan, I., Mel, M., Salleh, H.M., Rahman, M.M.(2018). Antiwashout behavior of calcium phosphate cement incorporated with Poly(ethylene glycol) . IOP Conference Series: Materials Science and Engineering. 290. (1).
Rahman, M.M., Ismail, M.A., Sopyan, I., Rahman, H.Y.(2018). Effects of forming temperature and sintering rate to the final properties of FeCuAl powder compacts formed through uniaxial die compaction process . IOP Conference Series: Materials Science and Engineering. 290. (1).
Rahman, M.M., Rahman, H.Y., Awang, M.A.A., Sopyan, I.(2018). Effects of sintering time and temperature to the characteristics of FeCrAl powder compacts formed at elevated temperature . IOP Conference Series: Materials Science and Engineering. 290. (1).
Adeleke, S.A., Bushroa, A.R., Sopyan, I.(2017). Characteristic Features of Plasma Electrolytic Treated Layers in Na<inf>3</inf>PO<inf>4</inf>Solution . Procedia Engineering. 184. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 732-736.
Arifin, M.A., Mel, M., Samsudin, N., Hashim, Y.Z.H.-Y., Salleh, H.M., Sopyan, I.(2017). Different oxidation treatments on polystyrene (PS) microspheres by using an ultraviolet/ozone (UVO <inf>3</inf> ) system . Proceedings of the Pakistan Academy of Sciences: Part B. 54. (1B). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 59-64.
Razali, N.N., Sopyan, I., Mel, M., Salleh, H.M., Rahman, M.M., Singh, R.(2017). Effect of Poly(Vinyl Alcohol) Addition on the Properties of Hydrothermal Derived Calcium Phosphate Cement for Bone Filling Materials . IOP Conference Series: Materials Science and Engineering. 205. (1).
Hablee, S., Sopyan, I., Mel, M., Salleh, H.M., Rahman, M.M., Singh, R.(2017). Novel Injectable Calcium Phosphate Bone Cement from Wet Chemical Precipitation Method . IOP Conference Series: Materials Science and Engineering. 205. (1).
Toibah, A.R., Sopyan, I., Yuhazri, Y.M., Jeefferie, R.A., Nooririnah, O.(2012). FTIR study on phase behavior of magnesium-doped biphasic calcium phosphate synthesized via sol-gel method . AIP Conference Proceedings. 1455. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 97-103.
Sopyan, I., Mardziah, M., Ahmad, Z.(2011). Fabrication of porous ceramic scaffolds via polymeric sponge method using sol-gel derived strontium doped hydroxyapatite powder . IFMBE Proceedings. 35 IFMBE. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 827-830.
Adzila, S., Sopyan, I., Hamdi, M.(2011). Synthesis of hydroxyapatite through dry mechanochemical method and its conversion to dense bodies: Preliminary result . IFMBE Proceedings. 35 IFMBE. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 97-101.
Alqap, A.S.F., Adzila, S., Sopyan, I., Hamdi, M., Ramesh, S.(2011). Thermal analysis on hydroxyapatite synthesis through mechanochemical method . IFMBE Proceedings. 35 IFMBE. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 108-111.
Toibah, A.R., Sopyan, I., Hamdi, M., Ramesh, S.(2008). Development of magnesium-doped biphasic calcium phosphatethrough sol-gel method . IFMBE Proceedings. 21 IFMBE. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 314-317.
Chou Yong, T., Aw, K.L., Yeo, W.H., Ramesh, S., Hamdi, M., Sopyan, I.(2008). Influence of magnesium doping in hydroxyapatite ceramics . IFMBE Proceedings. 21 IFMBE. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 326-329.
Raihana, M.F., Sopyan, I., Hamdi, M., Ramesh, S.(2008). Novel chemical conversion of eggshell to hydroxyapatite powder . IFMBE Proceedings. 21 IFMBE. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 333-336.
Ting, C.H., Chou Yong, T., Ramesh, S., Sopyan, I., Teng, W.D.(2008). Sintering behaviour of TiO<inf>2</inf>-doped alumina for biomedical application . IFMBE Proceedings. 21 IFMBE. (1). Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 351-353.
Sopyan, I., Kaur, J., Ramesh, S., Hamdi, M.(2007). Bioactive porous ceramics via polymeric sponge method: The effect of preparation conditions on physical properties . Proceedings of SPIE - The International Society for Optical Engineering. 6423.
Tan, C.Y., Ramesh, S., Hamdi, A.S., Sopyan, I.(2007). Sinterability of hydroxyapatite compacts prepared by cold isostatic pressing for clinical applications . IFMBE Proceedings. 15. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 137-140.
Ramesh, S., Tan, C.Y., Hamdi, M., Sopyan, I., Teng, W.D.(2007). The influence of Ca/P ratio on the properties of hydroxyapatite bioceramics . Proceedings of SPIE - The International Society for Optical Engineering. 6423.
Sopyan, I., Sulaiman, N.S., Gustiono, D., Herdianto, N.(2006). Porous hydroxyapatite-gelatin composites with functions of bone substitutes and drug releasing agents: A preliminary study . Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 6036.
BOOK
Mardziah, C.M., Sopyan, I., Hyie, K.M., Nik Roselina, N.R.(2014). Conversion of strontium hydroxyapatite nanopowders to porous scaffolds for bone implant application . Applied Mechanics and Materials. 607. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 3-6.
Naqshbandi, A., Sopyan, I., Gunawan, Suryanto(2014). Sol-gel synthesis of Zn doped HA powders and their conversion to porous bodies . Applied Mechanics and Materials. 493. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 603-608.
Natasha, A.N., Singh, R., Hamdi, M., Young, T.C., Purbolaksono, J., Sopyan, I., Toulouei, R.(2014). Synthesis and properties of biphasic calcium phosphate prepared by different methods . Advanced Materials Research. 970. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 20-25.
Alqap, A.S.F., Sopyan, I., Suryanto(2014). The effects of excess calcium and aging media on the mechanical properties of calcium phosphate filling materials . Advanced Materials Research. 911. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 195-199.
Gunawan, Sopyan, I., Nurfaezah, S., Ammar, M.(2013). Development of triphasic calcium phosphate-carbon nanotubes(HA/TCP-CNT) composite: A preliminary study . Key Engineering Materials. 531-532. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 258-261.
Mardziah, C.M., Sopyan, I., Nik Roselina, N.R., Hyie, K.M.(2013). Effect of calcining temperatures on the morphology and crystallinity of strontium doped hydroxyapatite nanopowders . Advanced Materials Research. 772. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 325-330.
Adzila, S., Sopyan, I., Farius, S., Nurfahana, Singh, R.(2013). Mechanochemical synthesis of hydroxyapatite bioceramics through two different milling media . Key Engineering Materials. 531-532. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 254-257.
Adzila, S., Ramesh, S., Sopyan, I., Tan, C.Y., Hamdi, M., Teng, W.D.(2013). Mechanochemical synthesis of magnesium doped hydroxyapatite: Powder characterization . Applied Mechanics and Materials. 372. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 62-65.
Sopyan, L., Suryanto, Fadli, A., Ramesh, S.(2013). Protein foaming-consolidation method for fabrication of high performance porous bioceramics . Advanced Materials Research. 622. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1759-1763.
Gunawan, Sopyan, I., Naqshbandi, A., Ramesh, S.(2013). Synthesis of zinc doped-biphasic calcium phosphate nanopowder via sol-gel method . Key Engineering Materials. 531-532. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 614-617.
Sara Lee, K.Y., Christopher Chin, K.M., Ramesh, S., Tan, C.Y., Teng, W.D., Sopyan, I.(2012). Characterization of forsterite bioceramics . Advanced Materials Research. 576. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 195-198.
Sara Lee, K.Y., Christopher Chin, K.M., Ramesh, S., Tan, C.Y., Hassan, M.A., Purbolaksono, J., Teng, W.D., Sopyan, I.(2012). Effect of ultrasonication on synthesis of forsterite ceramics . Advanced Materials Research. 576. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 252-255.
Sopyan, I., Mardziah, C.M., Ramesh, S.(2012). Fabrication of porous ceramic scaffolds via polymeric sponge method using sol-gel derived strontium doped hydroxyapatite . Applied Mechanics and Materials. 117-119. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 829-832.
Norazlina, M.Y., Faridah, Y., Ratnam, C.T., Sopyan, I.(2012). Irradiation modification of epoxidized natural rubber/ethylene vinyl acetate/carbon nanotubes nanocomposites . Advanced Materials Research. 364. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 196-201.
Norazlina, M.Y., Faridah, Y., Ratnam, C.T., Sopyan, I.(2012). Irradiation modification of epoxidized natural rubber/ethylene vinyl acetate/carbon nanotubes nanocomposites . Advanced Materials Research. 364. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 427-433.
Amiriyan, M., Kelvin Chew, W.J., Ramesh, S., Tolouei, R., Hassan, M.A., Hossain, A., Sopyan, I., Meenaloshini, S.(2012). Mechanical and electrical properties of Y-TZP/ZrB<inf>2</inf> composite . Advanced Materials Research. 576. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 228-231.
Adzila, S., Sopyan, I., Hamdi, M.(2012). Mechanochemical synthesis of hydroxyapatite nanopowder: Effects of rotation speed and milling time on powder properties . Applied Mechanics and Materials. 110-116. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 3639-3644.
Fadli, A., Sopyan, I., Ramesh, S.(2012). Porous alumina from protein foaming-consolidation method containing hydrothermal derived hydroxyapatite powder . Applied Mechanics and Materials. 117-119. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 782-785.
Sopyan, I., Adlina, S.F., Mohamad, Sa.(2012). Preparation of dense biphasic calcium phosphate ceramics using eggshell derived nanopowders . Applied Mechanics and Materials. 110-116. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 3645-3649.
Alqap, A.S.F., Sopyan, I., Husni, M., Athirah, N.(2012). The effects of calcium excess, water amount and mixing time on the injectability of calcium phosphate filling materials . Applied Mechanics and Materials. 110-116. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 8-12.
Tolouei, R., Singh, R., Sopyan, I., Yong, T.C., Amiriyan, M., Dung, T.W.(2011). Dependence of the fracture toughness on the sintering time of dense hydroxyapatite bioceramics . Materials Science Forum. 694. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 391-395.
Tolouei, R., Tan, C.Y., Ramesh, S., Sopyan, I., Teng, W.D.(2011). Effect of nano silica on the sinterability of hydroxyapatite dense bodies . Advanced Materials Research. 264-265. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1832-1838.
Yeo, W.H., Ramesh, S., Tan, C.Y., Aw, K.L., Tolouei, R., Kelvin, H., Sopyan, I., Teng, W.D., Hoque, E.(2011). Effects of bismuth oxide on the properties of calcium phosphate bioceramics . Advanced Materials Research. 264-265. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1839-1848.
Aw, K.L., Tolouei, R., Ramesh, S., Tan, C.Y., Yeo, W.H., Kelvin, H., Sopyan, I., Teng, W.D.(2011). Effects of powder synthesis method on the sinterability of hydroxyapatite . Advanced Materials Research. 264-265. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1538-1544.
Fariza, A.R., Zuraida, A., Sopyan, I.(2011). Egg yolk as pore creating agent to produce porous tri-calcium phosphate for bone implant application . Advanced Materials Research. 264-265. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 760-764.
Sopyan, I., Rahim, T.A., Ahmad, Z.A.(2011). Magnesium-doped biphasic calcium phosphate nanopowders via sol-gel method . The Sol-Gel Process: Uniformity, Polymers and Applications. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 757-772.
Amiriyan, M., Singh, R., Sopyan, I., Satgunam, M., Tolouei, R., Dung, T.W.(2011). Pressureless sintering of electro-conductive zirconia composites . Materials Science Forum. 694. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 304-308.
Ramesh, S., Tolouei, R., Tan, C.Y., Aw, K.L., Yeo, W.H., Sopyan, I., Teng, W.D.(2011). Sintering of hydroxyapatite ceramic produced by wet chemical method . Advanced Materials Research. 264-265. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1856-1861.
Pusparini, E., Sopyan, I., Mohd, H., Singh, R.(2011). Sodium-doped hydroxyapatite nanopowder through sol-gel method: Synthesis and characterization . Materials Science Forum. 694. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 128-132.
Yusilawati, A.N., Maizirwan, M., Sopyan, I., Hamzah, M.S., Ng, K.H., Wong, C.S.(2011). Surface modification of polystyrene beads by UV/Ozone treatment . Advanced Materials Research. 264-265. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1532-1537.
Tan, C.Y., Ramesh, S., Tolouei, R., Sopyan, I., Teng, W.D.(2011). Synthesis of high fracture toughness of hydroxyapatite bioceramics . Advanced Materials Research. 264-265. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1849-1855.
Alqap, A.S.F., Sopyan, I., Zubir, S.A.(2010). Concentration effect of aqueous synthesis on biphasic hydroxyapatite - β-tricalcium phosphate composition . Advanced Materials Research. 93-94. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 405-408.
Sopyan, I., Nawawi, N.A., Shah, Q.H.(2010). Dense manganese doped biphasic calcium phosphate for load bearing bone implants . Advanced Materials Research. 93-94. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 393-396.
Murad, M.C., Sopyan, I., Rohaida, C., Ahmad, Z., Reusmaazran, M.(2010). Fabrication and characterization of strontium-doped hydroxyapatite bioceramics scaffolds for bone implant application: A preliminary study . Advanced Materials Research. 93-94. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 401-404.
Fadli, A., Sopyan, I.(2010). Porous alumina through protein foaming-consolidation method: Effect of stirring time and drying temperature on the physical properties . Advanced Materials Research. 93-94. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 397-400.
Sopyan, I., Kaur, J., Toibah, A.R., Hamdi, M., Ramesh, S.(2008). Effect of slurry preparation on physical properties of porous hydroxyapatite prepared via polymeric sponge method . Advanced Materials Research. 47-50 PART 2. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 932-935.
Ramesh, S., Aw, K.L., Ting, C.H., Tan, C.Y., Sopyan, I., Teng, W.D.(2008). Effect of copper oxide on the sintering of alumina ceramics . Advanced Materials Research. 47-50 PART 2. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 801-804.
Natasha, A.N., Sopyan, I., Zuraida, A.(2008). Fourier transform infrared study on sol-gel derived manganese-doped hydroxyapatite . Advanced Materials Research. 47-50 PART 2. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1185-1188.
Yusliza, Y., Zuraida, A., Sopyan, I.(2008). Fracture behavior of natural fiber reinforced biopolymer matrix composite . Advanced Materials Research. 47-50 PART 2. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1189-1192.
Sopyan, I., Mardziah, C.M., Toibah, A.R., Ramesh, S.(2008). Synthesis of strontium-doped hydroxyapatite powder via sol-gel method . Advanced Materials Research. 47-50 PART 2. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 928-931.
Sopyan, I.(2006). Silica -titania glass fibers from polytitanosiloxanes: Effect of polymerization mechanism on mechanical properties . Materials Science Forum. 517. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 73-76.