Publications

  • Nur Fatin Sulaiman, Yeng Weng Leong, Siew Ling Lee, Zhi Wei Goh, Siti Salinah Mohd Yahya, Abd Ghafar Nurhanis Sofiah. Process optimization of rice husk ash supported catalyst in biodiesel synthesis using response surface methodology approach. Fuel, 358 (2024). https://doi.org/10.1016/j.fuel.2023.130165 
  • Lay-Khoon Ong, Sie-Tiong Ha, Guan-Yeow Yeap and Siew-Ling Lee. Synthesis and Mesomorphism of New Calamitic Schiff Bases-Ester Possessing Dialkylamino Terminal Substituent. Letters in Organic Chemistry. In Press. DOI: 10.2174/0115701786295452240327060732
  • Nik Ahmad Nizam Nik Malek, Corrienna Abdul Talib, Nur Shafina Mohd Nor, Ibrohim , Juan Matmin, Siew Ling Lee, Praseetha Prabhakaran, Nor Suriani Sani, Muhammad Khair Noordin. Development of Mobile App as an Educational Tool for Understanding Nanomedicine. Journal of Human Centered Technology.3: 1 (2023) 15 – 21
  • Chui Min Ling, Fatin Afni Mat Zaid, Siew Ling Lee. 2023. Niobium Oxide Doped Titanium Dioxide Photocatalyst for Phenol Photodegradation. Journal of Materials in Life Sciences. 2 (2) 227-233.
  • Nur Fatin Sulaiman, Yeng Weng Leong, Siew Ling Lee, Susilawati Toemen, Wan Azelee Wan Abu Bakar. 2023. Enhanced transesterification reaction using chromium-doped calcium oxide-based catalyst supported on alumina and its specification of biodiesel. Energy Conversion and Management, 293, 117556. https://doi.org/10.1016/j.enconman.2023.117556
  • Murugesan Duraisamy, Mari Elancheziyan, Muthusankar Eswaran, Sivarasan Ganesan, Anees A. Ansari, Govindaraj Rajamanickam, Siew Ling Lee, Pei -Chien Tsai, Yi-Hsun Chen, Vinoth Kumar Ponnusamy.  Novel ruthenium-doped vanadium carbide/polymeric nanohybrid sensor for acetaminophen drug detection in human blood. International Journal of Biological Macromolecules. 244, 125329 https://doi.org/10.1016/j.ijbiomac.2023.125329
  • Cheng Yee Leong, Roswanira Abdul Wahab, Siew Ling Lee, Vinoth Kumar Ponnusamy, Yi-Hsun Chen. Current Perspectives of Metal-Based Nanomaterials as Photocatalytic Antimicrobial Agents and their Therapeutic Modes of Action: A Review. Environmental Research. 2023. 227,115578.
  • Mohd Hayrie Mohd Hatta, Juan Matmin, Nik Ahmad Nizam Nik Malek, Farah Hidayah Kamisan, Aishah Badruzzaman, Kalaivani Batumalaie, Siew Ling Lee, and Roswanira Abdul Wahab. COVID-19: Prevention, Detection, and Treatment by Using Carbon Nanotubes-Based Materials. ChemistrySelect 2023, 8, e202204615. doi.org/10.1002/slct.202204615
  • Mari Elancheziyan, Karthikeyan Prakasham, Muthusankar Eswaran, Murugesan Duraisamy, Sivarasan Ganesan, Siew Ling Lee, Vinoth Kumar Ponnusamy. Eco-friendly fabrication of nonenzymatic electrochemical sensor based on cobalt/polymelamine/nitrogen-doped graphitic-porous carbon nanohybrid material for glucose monitoring in human blood. Environmental Research. 223, 115403. https://doi.org/10.1016/j.envres.2023.115403
  • Arul Jayanthi Antonisamy, Sivasankari Marimuthu, Sankar Malayandi, Karthikeyan Rajendran, Yuan -Chung Lin, Gangadhar Andaluri, Siew Ling Lee, Vinoth Kumar Ponnusamy. Sustainable approaches on industrial food wastes to value-added products – A review on extraction methods, characterizations, and its biomedical applications. 2023. Environmental Research. Volume 217. DOI 10.1016/j.envres.2022.114758
  • Siew Ling Lee, Jamilah Mohd Ekhsan, Chui Min Ling. 2022. Properties and Bifunctional Catalytic Activity of Niobium-Doped Silica-Titania: Effect of Phosphoric Acid Treatment. Science and Technology Indonesia. Vol. 7, No. 4, 455-460.
  • Shariena Shamsul Bahari, Yuen Mei Lian, Ros Azlinawati Ramli and Lee Siew Ling. 2022. Photodegradation of Reactive Blue 4 Using Suspension of Anatase Titanium Dioxide and Corn Cob. Key Engineering Materials. Vol. 932, pp 45-58.
  • Shariena Shamsul Bahari, Fify Nursuhanti Jahid, Yuen Mei Lian, Ros Azlinawati Ramli and Lee Siew Ling. 2022. Adsorption of Methylene Blue Using Tea Waste Treated with Alkaline Potassium Hydroxide. Key Engineering Materials, Vol. 932, pp 59-69
  • Faisal Hussin, Siew Ni Hew, Nik Ahmad Nizam Nik Malek Vinoth Kumar Ponnusamy, Siew Ling Lee. Novel Visible Light Driven Crystalline Carbon Nitride-Tungsten Oxide Composites for Photodegradation of Phenol. Diamond and Related Materials. 2022, 128, 109246
  • Arunprabaharan Subramanian, Mona Azimi, Cheng Yee Leong, Siew Ling Lee, Clara Santato, Fabio Cicoira. Solution-processed titanium dioxide ion-gated transistors (IGTs) and pH sensors using ionic liquid and aqueous saline solution. Frontiers in Electronics, 2022, 3, 813535. doi: 10.3389/felec.2022.813535
  • Cheng Yee Leong, Hao Lin Teh, Man Ching Chen, Siew Ling Lee. 2022. Effect of Synthesis Methods on Properties of Copper Oxide Doped Titanium Dioxide Photocatalyst in Dye Photodegradation of Rhodamine B. Science and Technology Indonesia. 7(1), 91-97. https://doi.org/10.26554/sti.2022.7.1.91-97
  • Mohamad Rasid Shera Farisya, Ramli Irmawati, Ishak Nor Shafizah,
    Yun Hin Taufiq-Yap, Ernee Noryana Muhamad, Siew Ling Lee, Nurrulhidayah
    Salamun. Assessment on the effect of sulfuric acid concentration on physicochemical properties of sulfated-titania catalyst and glycerol acetylation performance. Catalysts. 2021, 11, 1542. https://doi.org/10.3390/catal11121542
  • Man Ching Chen, Pei Wen Koh, Vinoth Kumar Ponnusamy, Siew Ling Lee. Titanium Dioxide and Other Nanomaterials Based Antimicrobial Additives in Functional Paints and Coatings: Review. Process in Organic Coating. 2022, 163, 106660
  • Chui Min Ling, Chin Chai Teng, Mohd Hayrie Mohd Hatta, Siew Ling Lee. Tungsten Oxide Doped Titania Supported On TUD-C for Photocatalytic Removal of Methylene Blue. Platform – A Journal of Science and Technology. Vol 4 (2), 2021, pg 42-52. e-ISSN: 26370530
  • Elyne Chng, Nurul Tasnim Sahrin, Rab Nawaz, Chong Fai Kait, Siew Ling Lee. Glycerol-Assisted Sol-Gel Synthesis of Nitrogen-Doped Titanium Dioxide for Visible Light-Driven Photodegradation of Indoor Gaseous Formaldehyde.  Platform – A Journal of Science and Technology. Vol 4 (2), 2021, pg 17-31 e-ISSN: 26370530
  • Nur Fatin Sulaiman, Nurul Izzaty Ramly, Mohamad Helmi Abd Mubin and Siew Ling Lee. 2021. Transition metal oxides (NiO, CuO, ZnO) doped calcium oxide catalysts derived from eggshell for transesterification of refined waste cooking oil. RSC Advances. 2021, 11, 21781. DOI: 10.1039/d1ra02076e
  • Mohamad Azani Abd Khadir Jalani*, Hendrik O. Lintang, Siew Ling Lee, Juan Matmin, Nur Fatiha Ghazalli, Leny Yuliati, Amy Zuria Abdul Ajid, Mohd Izam Idrus, Temperature-Dependent X-Ray Studies of Discotic Hexagonal Columnar Mesophases in Trinuclear Gold(I) Pyrazolate Complex, Malaysian Journal of Fundamental and Applied Sciences, Volume 17, No. 3, 2021, 285–294, DOI: 10.11113/mjfas.v17n3.2112
  • Cheng Yee Leong, Ye Shen Lo, Pei Wen Koh, Siew Ling Lee. Synthesis of Titanium Dioxide Nanotubes with Different N-Containing Ligands via Hydrothermal Method. Science and Technology Indonesia. 2021. Vol 6, no 2. Pg 67-73. https://doi.org/10.26554/sti.2021.6.2.67-73
  • Nurul Tasnim Sahrin, Rab Nawaz, Fai Kait Chong, Siew Ling Lee, Mohd Dzul Hakim Wirzal. Current perspectives of anodized TiO2 nanotubes towards photodegradation of formaldehyde: A short review. Environmental Technology & Innovation 22 (2021) 101418. https://doi.org/10.1016/j.eti.2021.101418
  • Yuliati, L., Hatta, M.H.M., Lee, S.L., Lintang, H.O. Optimized synthesis temperature and time to obtain crystalline carbon nitride with enhanced photocatalytic activity for phenol degradation. Indonesian Journal of Chemistry, 2020, 20(6), pp. 1392–1406
  • Cheng Yee Leong, Pei Wen Koh, Ye Sheng Lo and Siew Ling Lee. 2020. Hydrothermal synthesis of titanium dioxide nanotube with methylamine for photodegradation of Congo red. IOP Conf. Series: Materials Science and Engineering. 833 (2020) 012075. doi:10.1088/1757-899X/833/1/012075.
  • Pei Wen Koh, Cheng Yee Leong, Leny Yuliati, Hadi Nur, Siew Ling Lee. 2020. Role of Vanadia and Titania Phases in the Removal of Methylene Blue by Adsorption and Photocatalytic Degradation. Malaysian Journal of Analytical Sciences. Vol 24 No 6 (2020): 1045 – 1060
  • Nur Fatin Sulaiman, Abdul Rahim Yacob, Siew Ling Lee. Transesterification Reaction from Rice Bran Oil to Biodiesel over Heterogeneous Base Calcium Oxide Nanoparticles Catalyst. 2020. Science and Technology Indonesia. 5(3), 62-69.
  • Chui Min Ling, Leny Yuliati, Hendrik Oktendy Lintang, Siew Ling Lee.2020. TUD-C Supported Tungsten Oxide Doped Titania Catalysts for Cyclohexane Oxidation. Malaysian Journal of Chemistry. 2020, Vol. 22(2), 29-36
  • Yuliati, L., Hatta, M.H.M., Lee, S.L., Lintang, H.O. 2020. Crystalline carbon nitride for photocatalytic phenol degradation: Effect of precursor and salt melt amounts. AIP Conference Proceedings. 2237, 020049. https://doi.org/10.1063/5.0005795
  • Yee Khai Ooi, Mohd Hayrie Mohd Hatta, Siew Ling Lee. 2020. Properties and Photocatalytic Behaviour of Vanadia Loaded Titania Supported on MCM-41 Synthesized using Different Surfactants for Degradation of Methylene Blue. Journal of Indonesian Chemical Society. 3(1), 28. https://doi.org/10.34311/jics.2020.03.1.28-37
  • Nur Fatin Sulaiman, Siew Ling Lee, Susilawati Toemen, Wan Azelee Wan Abu Bakar. Physicochemical characteristics of Cu/Zn/ᵧ-Al2O3 catalyst and its mechanistic study in transesterification for biodiesel production.  Renewable Energy. 156, 142-157. https://doi.org/10.1016/j.renene.2020.04.021
  • Nurul Tasnim Sahrin, Rab Nawaz, Chong Fai Kait, Siew Ling Lee and Mohd Dzul Hakim Wirzal, 2020. Visible Light Photodegradation of Formaldehyde over TiO2 Nanotubes Synthesized via Electrochemical Anodization of Titanium Foil. Nanomaterials, 10, 128-145; doi:10.3390/nano10010128
  • Nurul Husna Sabran, Leny Yuliati, Siew Ling Lee, and Hendrik O. Lintang. Systematic Study of calcination temperature on photocatalytic activity of luminescent copper(I) pyrazolate complex/titanium oxide composites. Journal of the Indonesian Chemical Society. 2019, 02(1), 54-59
  • Mohamad Azani Jalani, Leny Yuliati, Siew Ling Lee, Hendrik O. Lintang. Highly ordered mesoporous silica film nanocomposites containing gold nanoparticles for the catalytic reduction of 4-nitrophenol. Beilstein Journal of Nanotechnology 2019, 10, 1368-1379  
  • Yee Khai Ooi, Faisal Hussin, Leny Yuliati and Siew Ling Lee, Comparison study on Molybdena-Titania supported on TUD-1 and TUD-C synthesized via sol-gel templating method: Properties and catalytic performance in olefins epoxidation. Materials Research Express. 6 (2019) 074001,   https://iopscience.iop.org/article/10.1088/2053-1591/ab12be
  • Hendrik O. Lintang, Husna Sabran, Siew Ling Lee, Leny Yuliati, Luminescent group 11 3,5-dimethyl pyrazolate complexes/titanium oxide composites for photocatalytic removal and degradation of 2,4-dichlorophenoxyacetic acid., Materials Research Express.  6(2019)064001. DOI: 10.1088/2053-1591/ab058e
  • Mohd Hayrie Mohd Hatta, Hendrik Oktendy Lintang, Siew Ling Lee, Leny Yuliati, 2019. Synthesis of Highly Active Crystalline Carbon Nitride Prepared in Various salt Melts for Photocatalytic Degradation of Phenol. Turkish Journal of Chemistry, 43:63-72. DOI: 10.3906/kim-1807-6
  • Parisa Pourdayhimi, Pei Wen Koh, Hadi Nur, and Siew Ling Lee, 2019. Highly Crystalline Zinc Oxide/Mesoporous Hollow Silica Composites Synthesized at Low Temperature for the Photocatalytic Degradation of Sodium Dodecylbenzenesulfonate. Australian Journal of Chemistry. 72(4), pp. 252-259. https://doi.org/10.1071/CH18175
  • Pei Wen Koh, Leny Yuliati, Siew Ling Lee, Kinetics and Optimization Studies of Photocatalytic Degradation of Methylene Blue over Cr-Doped TiO2 using Response Surface Methodology. Iranian Journal of Science and Technology, Transactions A: Science (2019) 43:95–103, 10.1007/s40995-017-0407-6
  • Nur Fadzilah Abd Razak, Mustaffa Shamsuddin, Siew Ling Lee. Adsorption kinetics and thermodynamics studies of gold(III) ions using thioctic acid functionalized silica coated magnetite nanoparticles. Chemical Engineering Research and Design. Volume 130, 2018, Pages 18–28.
  • Jasman, S. M. Lintang, H. O. Lee, S. L. and Yuliati, L. 2018. Photocatalytic oxidation of nitrite ion over carbon nitride. Malaysian Journal of Fundamental and Applied Sciences, Special Issue on Chromatography and Other Analytical Techniques (2018) 174-178.
  • Mohamad Azani Jalani, Leny Yuliati, Siew Ling Lee, Hendrik Oktendy Lintang. 2018. Size-exclusion liquid chromatography for effective purification of amphiphilic trinuclear gold(I) pyrazolate complex. Malaysian Journal of Fundamental and Applied Sciences, Special Issue on Chromatography and Other Analytical Techniques (2018)133-137.
  • Faisal Hussin, Hendrik Oktendy Lintang, Siew Ling Lee, Leny Yuliati. 2018. Highly efficient zinc oxide-carbon nitride composite photocatalysts for degradation of phenol under UV and visible light irradiation. Malaysian Journal of Fundamental and Applied Sciences Special Issue on Chromatography and Other Analytical Techniques (2018) 159-163.
  • K.-L. Foo, S.-T. Ha, G. Y. Yeap & S. L. Lee (2018) Mesomorphic behaviors of a series of heterocyclic thiophene-imine-ester-based liquid crystals, Phase Transitions, 91:5, 509-520, DOI: 10.1080/01411594.2018.1428973
  • Klinsmann Cheong Lee Khang, Mohd Hayrie Mohd Hatta, Siew Ling Lee, Leny Yuliati, 2018. Photocatalytic Removal of Phenol over Mesoporous ZnO/TiO2 Composites. Jurnal Teknologi. 80:2 (2018) 153–160
  • Hayder J. Al-Asedy, Ali A. Ati, Noriah Bidin, Siew-Ling Lee, Gallium contents-dependent improved behavior of sol–gel-grown Al:Ga co-doped ZnO nanostructures. Applied Physics A: Materials Science and Processing (2017) 123:665 DOI 10.1007/s00339-017-1271-0
  • Siti Maryam Jasman, Hendrik O. Lintang, Siew Ling Lee, Leny Yuliati. 2017. Copper Modified Carbon Nitride as Fluorescence Sensor for Nitrate Ions. Malaysian Journal of Analytical Sciences, Vol 21 No 6 (2017): 1316 – 1326 DOI: https://doi.org/10.17576/mjas-2017-2106-13
  • Leny Yuliati, Ahmad Hanami Abd Kadir, Siew Ling Lee, Hendrik O. Lintang. 2017. Fluorescence Quenching on Mesoporous Carbon Nitride by Phenol and Aniline. Malaysian Journal of Analytical Sciences, Vol 21 No 6 (2017): 1342 – 1351 DOI: https://doi.org/10.17576/mjas-2017-2106-16
  • Faisal Hussin, Hendrik O. Lintang, Siew Ling Lee, Leny Yuliati. Photocatalytic synthesis of reduced graphene oxide-zinc oxide: Effects of light intensity and exposure time. Journal of Photochemistry & Photobiology, A: Chemistry. 340 (2017) 128-135. http://dx.doi.org/10.1016/j.jphotochem.2017.03.016
  • Pei Wen Koh, Mohd Hayrie Mohd Hatta, Siew Teng Ong, Leny Yuliati, Siew Ling Lee. Photocatalytic degradation of photosensitizing and non-photosensitizing dyes over chromium doped titania photocatalysts under visible light. Journal of Photochemistry & Photobiology, A: Chemistry. 332 (2017) 215–223. 10.1016/j.jphotochem.2016.08.027.
  • Win Hong Tan, Siew Ling Lee, Cheong Tong Chong, 2017. TEM and XRD analysis of carbon nanotubes synthesised from flame. Key Engineering Materials. Volume 723, 2017, Pages 470-475
  • Chi-Kien Seou, Sie-Tiong Ha, Siew-Ling Lee, Guan-Yeow Yeap, Chien-Min Lin, Hong-Cheu Lin & Yip-Foo Win (2017) Synthesis and phase transition behaviours of laterally substituted liquid crystals containing methylhydroquinone: emerging of smectic C phase for higher homologues, Phase Transitions, 90:5, 449-464, DOI: 10.1080/01411594.2016.1219736
  • Kok-Leei Foo, Chi-Kien Seou, Sie-Tiong Ha, Siew-Ling Lee & GuanYeow Yeap (2017) Synthesis and phase-transition behaviors of new symmetrical dimer liquid crystals containing benzothiazole unit, Phase Transitions, 90:2, 158-166, DOI: 10.1080/01411594.2016.1168822
  • Sahira Hassan Kareem, Mustaffa Shamsuddin, Siew Ling Lee, 2016. Effect of precipitation temperature on structural and magnetic features of polyethylene glycol coated Mn0.8Zn0.2Fe2O4 nanoparticles. Journal of Superconductivity and Novel Magnetism. 29 (10), pp. 2691-2697,  DOI 10.1007/s10948-016-3599-7
  • JC Chong, LS Ling, N Bidin. 2016. Technical Note: Optical extinction coefficient of polydisperse spherical gold nanoparticles in water. Malaysian Journal of Fundamental and Applied Sciences 12 (4), 2016, 121-125
  • Yee Khai Ooi, Leny Yuliati, Siew Ling Lee, 2016, Phenol Photocatalytic Degradation over Mesoporous TUD-1-supported Chromium Oxide-doped Titania Photocatalyst. Chinese Journal of Chemistry.2016, 37: 1871–1881. doi: 10.1016/S1872‐2067(16)62492‐0.
  • Swee Ean Lim, Siew Ling Lee, 2016. New tungsten-sulphate modified silica-titania as oxidative-acidic bifunctional catalyst for diol formation. Malaysian Journal of Catalysis 1 (2016) 17-21.
  • Chi-Kien Seou, Sie-Tiong Ha, Siew-Ling Lee, Guan-Yeow Yeap, Chien-Min Lin,Hong-Cheu Lin & Yip-Foo Win. 2016. Synthesis and phase transition behaviours of laterally substituted liquid crystals containing methylhydroquinone: emerging of smectic C phase for higher homologue. Phase Transitions, DOI: 10.1080/01411594.2016.1219736. 
  • Shokoh Parham, Dedy H. B. Wicaksono, Saeedeh Bagherbaigi, Siew Ling Lee and Hadi Nur 2016. Antimicrobial Treatment of Different Metal Oxide Nanoparticles: A Critical Review ChemInform 47,(25), DOI: 10.1002/chin.201625225
  • Shokoh Parham, Dedy H. B. Wicaksono, Saeedeh Bagherbaigi, Siew Ling Lee and Hadi Nur, 2016. Antimicrobial Treatment of Different Metal Oxide Nanoparticles: A Critical Review. Journal of the Chinese Chemical Society, 63(4), Pages: 385–393, DOI: 10.1002/jccs.201500446
  • Ali Taha Saleh, Lee Siew Ling, Rafaqat Hussain, 2016 Injectable magnesium-doped brushite cement for controlled drug release application. Journal of Materials Science 51 (16) 7427-7439
  • Nurul Diyana Zainal, Hadi Nur, Siew Ling Lee. 2016. Highly Homogeneous Nitrogen Doped Titania Nanomaterials: Synthesis and Characterization. Jurnal Teknologi. 78: 6–12, 117–120
  • Yee Khai Ooi, Leny Yuliati, Djoko Hartanto, Hadi Nur, Siew Ling Lee. 2016 Mesostructured TUD-C Supported Molybdena Doped Titania as High Selective Oxidative Catalyst for Olefins Epoxidation at Ambient Condition. Microporous and Mesoporous Materials. 225, 411-420. http://dx.doi.org/10.1016/j.micromeso.2016.01.016
  • Swee Ean Lim, Salasiah Che Me , Siew Ling Lee. 2016. Tungsten-oxide modified silica-titania oxidative-acidic bifunctional catalyst for diol synthesis. Malaysian Journal of Fundamental and Applied Sciences . 12(1) (2016) 34-38.
  • Khaw Swee Por, Ooi Yee Khai, Siew Ling Lee, 2016. Vanadium oxides doped porous titania photocatalysts for phenol photodegradation. Malaysian Journal of Fundamental and Applied Sciences. 12(1) (2016) 28-33.
  • Parisa Pourdayhimi, Pei Wen Koh, Mohamed Mohd Salleh, Hadi Nur and Siew Ling Lee. 2016. Zinc Oxide Nanoparticles-Immobilized Mesoporous Hollow Silica Spheres for Photodegradation of Sodium Dodecylbenzenesulfonate. Australian Journal of Chemistry. 69, 790-797. http://dx.doi.org/10.1071/CH15495.
  • Kok-Leei Foo, Chi-Kien Seou, Sie-Tiong Ha, Siew-Ling Lee & Guan-Yeow Yeap, 2016. Synthesis and phase-transition behaviors of new symmetrical dimer liquid crystals containing benzothiazole unit. Phase Transitions. 90 (2), 158-166.     http://dx.doi.org/10.1080/01411594.2016.1168822
  • Win Hon Tan, Siew Ling Lee, Jo-Han Ng, William Woei Fong Chong, Cheng Tung Chong. 2016. Characterization of Carbon Nanotubes Synthesized from Hydrocarbon-Rich Flame. International Journal of Technology (2016) 2, 343-351. ISSN 2086-9614. DOI: http://dx.doi.org/10.14716/ijtech.v7i2.3284
  • Shokoh Parham,  Sheela Chandren,   Dedy H. B. Wicaksono,  Saeedeh Bagherbaigi,  Siew Ling Lee,  Lai Sin Yuan and   Hadi Nur, 2016.Textile/Al2O3–TiO2 nanocomposite as an antimicrobial and radical scavenger wound dressing. RSC ADVANCES, 6 (10), 8188-8197. DOI: 10.1039/C5RA20361A
  • Sahira Hassan Kareem, Ali A.Ati, Mustaffa Shamsuddin, Siew Ling Lee. 2015. Nanostructural, morphological and magnetic studies of PEG/Mn(1-x)Zn(x)Fe2O4  nanoparticles synthesized by co-precipitation. Ceramics International 41, 11702-11709. doi:10.1016/j.ceramint.2015.05.134
  • Kok-Leei Foo , Sie-Tiong Ha , Chien-Min Lin, Hong-Cheu Lin, Siew-Ling Lee, Guan-Yeow Yeap, S. Sreehari Sastry. Synthesis, characterization and mesomorphic properties of new symmetrical dimer liquid crystals derived from benzothiazole. Karbala International Journal of Modern Science 1(2015) 152-158.
  • Nurul Diyana Zainal, Hadi Nur, Siew Ling Lee. 2015. Synthesis and characterization of nitrogen-doped titania nanomaterials of homogeneous particle size. Malaysian Journal of Fundamental and Applied Sciences, 11(3) 111-113
  • Salasiah Che Me, Hadi Nur, Siew Ling Lee. 2015. Novel Oxidative-Acidic Bifunctional Catalyst of Tungsten-Phosphate Modified Silica-Titania. Malaysian Journal of Fundamental and Applied Sciences, 11(3)122-125
  • Pei Wen Koh, Leny Yuliati, Siew Ling Lee. 2015. Correlation of fluorescence and photocatalytic activity of Co-doped TiO2 Malaysian Journal of Fundamental and Applied Sciences, 11(3) 126-129
  • Faisal Hussin, Hendrik O. Lintang, Siew Ling Lee, Leny Yuliati. 2015. Preparation of highly active zinc oxide for photocatalytic removal of phenol: Direct calcination versus co-precipitation method. Malaysian Journal of Fundamental and Applied Sciences, 11(3) 134-138
  • Mei Shie Sam, Peggy Tiong, Hendrik Oktendy Lintang, Siew Ling Lee and Leny Yuliati. Mesoporous Carbon Nitride as A Metal-free Catalyst for Removal of Aniline. RSC Adv., 2015,5,44578-44586.  DOI:  10.1039/C5RA04829J.
  • Pei Wen Koh, Leny Yuliati, Hendrik O. Lintang, Siew Ling Lee.. 2015. Increasing Rutile Phase Amount in Chromium-Doped Titania by Simple Stirring Approach for Photodegradation of Methylene Blue under Visible Light. Australian Journal of Chemistry, 68. 1129-1135. http://dx.doi.org/10.1071/CH14565
  • Nor Masdiana Zulkeple, Norhasyimah Mohd Kamal, Jamilah Mohd Ekhsan, Salasiah Che Me, Swee Ean Lim, Siew Ling Lee. 2015. Properties and catalytic performance of sulphate-vanadia impregnated fumed silica as oxidative catalyst. Malaysian Journal of Fundamental and Applied Sciences. 11(2), 75-78.
  • Siew Ling Lee, Jamilah Mohd Ekhsan, Nur Azleena Kasiran, Azira Abdul Aziz.. 2015. Effect of Titania Loading on Properties and Catalytic Activity of Nanostructured Phosphate-Vanadia Impregnated Silica-Titania Oxidative-Acidic Bifunctional Catalyst. International Journal of Chemical Engineering Reactor. 13(1), 21-28.
  • Yee Khai Ooi, Leny Yuliati, Siew Ling Lee. 2015. Photodegradation of Methylene Blue over Cr Doped TiO2 Supported TUD-1 Photocatalysts. Advanced Materials Research. 1109, 424-428.
  • Mukhamad Nurhadi, Jon Efendi, Siew Ling Lee, Teuku Meurah Indra Mahlia, Sheela Chandren, Chin Siong Ho, Hadi Nur. 2015. Utilization of low rank coal as oxidation catalyst by controllable removal of its carbonaceous component. Journal of the Taiwan Institute of Chemical Engineers 46, 183–190. (I.F.: 2.637)
  • Kok-Leei Foo, Sie-Tiong ha, Siew Ling Lee. 2014. Synthesis and Characterization of Thermotropic Liquid Crystals Consisting Heterocyclic Benzothiazole Core System.Asian Journal of Chemistry Volume 26, Issue 22, pp 7627-7631.
  • Sie-Tiong Ha, Teck-Leong Lee, Siew Ling Lee, Guan-Yeow Yeap, Hong-Cheu Lin and Masato M. Ito. 2014. Mesomorphic Properties and X-Ray Diffraction Studies of 4-Alkanoyloxybenzylidene-4′-fluoroaniline. Asian Journal of Chemistry Volume 26, Issue 22, pp 7737-7740.
  • Chi-Kien Seou, Sie-Tiong Ha, Yip-Foo Win, Siew-Ling Lee & Guan-Yeow Yeap (2014): Synthesis and phase transition behaviours of new non-symmetric liquid crystal dimers, Liquid Crystals,  Vol. 41 (11), 1627-1634. DOI: 10.1080/02678292.2014.938373. (I.F.:2.349)
  • Ong, S.-T.http://www.scopus.com/static/images/s.gif , Keng, P.-S, Lee, S.-L., Hung, Y.-T. 2014. Low cost adsorbents for sustainable dye containing-wastewater treatment (Review).  Asian Journal of Chemistry Volume 26, Issue 7, pp 1873-1881
  • Shih Ween Yong, Hartini Khairi Osman, Siew Teng Ong, Sie Tiong Ha, Siew Ling Lee. 2014. Synthesis, Characterization and Photocatalytic Behavior of Cubic Structured Nanocrystalline Bismuth Titanate. Asian Journal of Chemistry. 26(21), 7463-7466. 
  • P. W. Koh, L. Yuliati, S. L. Lee. 2014. Effect of Transition Metal Oxide Doping (Cr, Co, V) in the Photocatalytic Activity of TiO2 for Congo Red Degradation under Visible Light. Jurnal Teknologi, 69(5), 45-50.
  • Ooi Yee Khai, Leny Yuliati, Siew Ling Lee. 2014. Cr Doped TiO2 Supported on TUD-1 Photocatalyst for Dye Photodegradation. Jurnal Teknologi, 69(5), 81-86.
  • Sahira Hassan Kareem, Yee Khai Ooi, Sabah Saeed Abdulnoor, Mustaffa Shamsuddin, Siew Ling Lee. 2014. Influence of Zinc on the Structure and Morphology of Manganese Ferrite Nanoparticles. Jurnal Teknologi, 69(5), 103-106.
  • Nurul Najidah Mohamed, Lai Sin Yuan, Lee Siew Ling, Ho Chin Siong, Sheela Chandren, Hadi Nur. 2014. Preparation of Hierarchical Porous Carbon Derived from Averrhoa Bilimbi and Its Diffusion Properties. Jurnal Teknologi, 69(5), 61-64.
  • Mukhamad Nurhadi, Jon Efendi, Lee Siew Ling, Teuku Meurah Indra Mahlia, Ho Chin Siong, Lai Sin Yuan, Sheela Chandren, Hadi Nur. 2014. Titanium Dioxide-Supported Sulfonated Low Rank Coal as Catalysts in the Oxidation of Styrene with Aqueous Hydrogen Peroxide. Jurnal Teknologi, 69(5), 71-79.
  • Mei Shie Sam, Hendrik O. Lintang, Mohd Marsin Sanagi, Siew Ling Lee, Leny Yuliati, 2014. Adsorption of Aniline using Novel Mesoporous Carbon Nitride.  Advanced Materials Research Vol. 925 (2014) pp 135-13.
  • Mei Shie Sam, Hendrik O. Lintang, Siew Ling Lee, Leny Yuliati, 2014. Mesoporous Carbon Nitride for Adsorption and Fluorescence Sensor of N-Nitrosopyrrolidine. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 124, 357-364.
  • Jamilah Mohd Ekhsan, Siew Ling  Lee, Hadi Nur, 2014. Niobium oxide and phosphoric acid impregnated silica-titania as oxidative-acidic bifunctional catalyst. Applied Catalysis A: General. 471, 142-148
  • Pei-Sin Keng, Siew-Ling Lee, Sie-Tiong Ha, Yung-Tse Hung and Siew-Teng Ong.  2014. REVIEW: Removal of hazardous pollutants from aqueous environment by low cost adsorption materials. Environmental Chemistry Letters. 12, 15-25
  • S.L. Lee, S.W. Yong and K.O. Hartini. 2013. Effect of Hydrochloric Acid on Formation of Nanocrystalline Bismuth Phosphate Synthesized via Hot Injection Method. Asian. J. Chem,  25(13), 7205-7207 
  • Nur Hidayah Mohd Ran, Leny Yuliati, Siew Ling Lee, Teuku Meurah Indra Mahlia, Hadi Nur. 2013. Liquid–gas boundary catalysis by using gold/polystyrene-coated hollow titania. Journal of Colloid and Interface Science 394 , 490–497.
  • Lee, P.W., Ong, S.T., Hung, Y.T. and Lee, S.L. 2013. Photodegradation of Malachite Green by Immobilization of Titanium Dioxide, TiO2 on Glass Plates. Asian. J. Chem., 25(2), 755-758. 
  • S. Lubis, L. Yuliati, S L. Lee, I. Sumpono, H. Nur. 2012. Improvement of catalytic activity in styrene oxidation of carbon-coated titania by formation of porous carbon layer.  Chemical Engineering Journal,  209 , 486-493.
  • N. Attan, H. Nur, J. Efendi, H. O. Lintang, S. L. Lee, I. Sumpono. 2012. Well-aligned titanium dioxide with very high length to diameter ratio synthesized under magnetic field. Chemistry Letters, 41, 1468-1471
  • Siew Ling Lee, Hadi Nur, Soo Chien Wei. 2012. Effect of Acid Treatment on Silica-Titania Aerogel as Oxidative-Acidic Bifunctional Catalyst. Applied Mechanics and Materials. Vols 110-116, pp. 457-464.
  • Siew-Teng Ong, Suat-Yen Tan, Eng-Cheong Khoo, Siew-Ling Lee,  Sie-Tiong Ha. 2012.  Equilibrium studies for Basic blue 3 adsorption onto durian peel (Durio zibethinus Murray), Desalination and Water Treatment Volume 45, Issue 1-3, 161-169.
  • Sie-Tiong Ha, Lay-Khoon Ong, Guan-Yeow Yeap, Siew-Ling Lee, S. Sreehari Sastry and Masato M. Ito. 2012. Synthesis and phase transitions studies on Schiff base symmetrical dimers: α,ω-Bis(4-pyridine-3-methyleneaminoxy) alkanes. International Journal of Physical Sciences Vol. 7(16), pp. 2431 – 2438,
  • Ong, S.T., Yip, S.P., Keng, P.S., Lee, S.L. and Hung, Y.T. 2012. Papaya (Carica papaya) seed as a low-cost sorbent for Zinc removal’, Afr. J. Agr. Res., 7, 810-819.
  • Ong, S.T., Keng, P.S., Ooi, S.T., Hung, Y.T. and Lee, S.L. 2012. Utilization of Fruits Peel As A Sorbent for Methylene Blue Removal’ Asian. J. Chem., 24, 398-402.
  • Sie Tiong Ha, Teck Leong Lee, Siew Ling Lee, Guan Yeow Yeap,Yip Foo Win, Siew Teng Ong. 2012. Mesomorphic behaviour of new azomethine liquid crystals having terminal bromo substituent. Chinese Chemical Letters. 23,177–180.
  • Ong, S.T., Lee, S.L., Tan, S.Y., Keng, P.S. and Hung, Y.T. 2011. Removal of Basic Blue 3 from Aqueous Solution by Adsorption Onto Durio ziberthinus Murray Husk. World Academy of Science, Engineering and Technology, 81, 580-584.
  • Sie-Tiong Ha, Teck-Leong Lee, Yip-Foo Win, Siew-Ling Lee and Guan-Yeow Yeap. 2011. Synthesis and Characterization of New Thermotropic Liquid Crystals Derived from 4-Hydroxybenzaldehyde. World Academy of Science, Engineering and Technology, 81, 575-579.
  • Shih Ween Yong, Hartini Khairi Osman, Pei Wen Koh, Siew Ling Lee 2011. Temperature Effect on Phase Formation of Nanocrystalline Bismuth Titanate Synthesized via Hot Injection Method. Advanced Materials Research. Vols. 287-290, pp 257-260. Doi:10.4028/www.scientific.net/AMR.287-290.257
  • Siew Ling Lee, Hadi Nur, Pei Wen Koh, Jamilah Mohd Ekhsan, Soo Chien Wei. 2011. Synthesis and Characterization of Acid Modified Silica-Titania Aerogel as Oxidative-Acidic Bifunctional Catalyst. International Journal of Applied Physics and Mathematics. Vol 1, No 1, pp 43-47. 
  • Sie-Tiong Ha, Tech-Leong Lee, Siew-Ling Lee, S. Sreehari Sastry and Yip-Foo Win. 2011. Schiff Base Liquid Crystals with Terminal Iodo Group: Synthesis and Thermotropic Properties. Scientific Research and Essays. Vol 6(23) 5025-5035. (ISI, I.F. = 0.445)
  • Siew-Teng Ong, Weng-Nam Lee, Pei-Sin Keng, Siew-Ling Lee, Yung-Tse Hung and Sie-Tiong Ha. 2011. Application of response surface analysis for optimization of dyes sorption onto EDTA modified rice hull. Research Journal of Chemistry and Environment. Vol 15(2), 538-543.
  • Sie-Tiong Ha, Yip-Foo Win, Siew-Ling Lee, Masato M. Ito, Kazuma Abe, Hidetoshi Oonishi and Guan-Yeow Yeap. 2011. Synthesis, spectral studies of 4-{[(3-substitutedphenyl)imino]methyl}-3-hydroxyphenyl octadecanoate and effect of meta substituents on mesomorphic properties. International Journal of the Physical Science. Vol 6(10), pp 2507-2517.
  • Siew-Teng Ong, Pei-Sin Keng, Meng-Seap Voon, Siew-Ling Lee. 2011. Application of Durian Peel (Durio zibethinus Murray) for Removal of Methylene Blue from Aqueous Solution.  Asian Journal of Chemistry. 23, 2898-2902. (ISI, I.F. = 0.247)
  • Teck Ming Koh, Sie Tiong Ha, Teck Leong Lee, Siew Ling Lee, Guan Yeow Yeap, Hong Cheu Lin, Ramesh T. Subramaniam. 2011. Synthesis and mesomorphic evaluation of new calamitic liquid crystals containing benzothiazole core. Chinese Chemical Letters.  22, 619–622. (ISI, I.F.=0.775)
  • Siew-Teng Ong, Eng-Cheong Khoo, Pei-Sin Keng, Siew-Ling Hii, Siew-Ling Lee, Yung-Tse Hung, Sie-Tiong Ha. 2011. Plackett–Burman design and response surface methodological approach to optimize basic dyes removal using sugarcane bagasse. Desalination and Water Treatment. Vol 25, pp 310–318.
  • Lee, S.L., Wei, S. C., Nur, H., Hamdan, H. 2010. Enhancement of Brønsted Acidity in Sulfate-Vanadium Treated Silica-Titania Aerogel as Oxidative-Acidic Bifunctional Catalyst. International Journal of Chemical Reactor Engineering. Vol 8, Article 63. http://www.bepress.com/ijcre/vol8/A63
  • Siew-Teng Ong, Pei-Sin Keng, Ai-Wen Chong, Siew-Ling Lee and Yung-Tse Hung. 2010. Tartaric Acid Modified Rice Hull as a Sorbent for Methylene Blue Removal. American Journal of Environmental Sciences. 6 (3): 244-248.
  • Sie-Tiong Ha, Lay-Khoon Ong, Guan-Yeow Yeap, Masato M. Ito, Ayumu Saito, Masaaki Watanabe, Siew-Ling Lee. 2010 Effect of terminal branching on mesomorphism of a homologous series of Schiff base ethers. Scientific Research and Essays. Vol. 5(19), pp. 3018-3026. http://www.academicjournals.org/SRE (ISI, I.F.=0.324)
  • Nurul Hidayah Mohd Yunos, Halimaton Hamdan, Lee Siew Ling. 2010. Piperine Loaded Silica Aerogel and Silica Xerogel as NANO-Enabled Drug Delivery System. World Applied Sciences Journal (Special Issue of Nanotechnology). Vol 9, pp 6-16. (ISI, Scopus indexed)
  • Siew-Teng Ong, Weng-Nam Lee, Pei-Sin Keng, Siew-Ling Lee and Yung-Tse Hung. 2010. Optimization of basic and reactive dye uptakes in binary dye solution using statistical experimental methodology. International Journal of the Physical Sciences.  Vol. 5(14), pp. 2171-2178. http://www.academicjournals.org/IJPS.
  • Sie-Tiong Ha, Mei-Yoke Ng, Ramesh T. Subramaniam, Masato M. Ito, Ayumu Saito, Masaaki Watanabe, Siew-Ling Lee and Nilesh L. Bonde. 2010. Mesogenic azomethine esters with different end groups: Synthesis and thermotropic properties. International Journal of the Physical Sciences. Vol. 5(8), pp. 1256-1262. http://www.academicjournals.org/IJPS.
  • Siew-Teng Ong, Pei-Sin Keng, Siew-Ling Lee, Ming-How Leong, and Yung-Tse Hung. 2010. Equilibrium studies for the removal of basic dye by sunflower seed husk (Helianthus annuus). International Journal of the Physical Sciences. Vol. 5(8), pp. 1270-1276. http://www.academicjournals.org/IJPS.
  • Sie Tiong Ha, Teck Ming Koh, Guan Yeow Yeap, Hong Cheu Lin, Siew Ling Lee, Yip Foo Win, Siew Teng Ong. 2010. Synthesis and Mesomorphic Properties of 6-Methoxy- and 6-Ethoxy-2-(2-Hydroxy-4-Alkanoyloxybenzylidenamino) Benzothiazoles. Molecular Crystals and Liquid Crystals, 528, 10-22.
  • Sie Tiong Ha, Lay Khoon Ong, Siew Ling Lee, Hong Cheu Lin, Yip Foo Win, Siew Teng Ong.2010. Synthesis and Mesomorphic properties of Schiff base esters possessing terminal chloro substituent. Chinese Chemical Letters. 21, 637-640.
  • Siew-Teng Ong, Weng-Nam Lee, Pei-Sin Keng, Siew-Ling Lee, Yung-Tse Hung and Sie-Tiong Ha. 2010. Equilibrium studies and kinetics mechanism for the removal of basic and reactive dyes in both single and binary systems using EDTA modified rice husk. International Journal of Physical Sciences. Vol. 5(5), pp. 582-595.
  • Sie-Tiong Ha, Teck-Ming Koh, Siew-Ling Lee, Guan-Yeow Yeap, Hong-Cheu Lin and Siew-Teng Ong.2010. Synthesis of new schiff base ester liquid crystals with a benzothiazole core. Liquid Crystals, 37 ( 5) 547–554.
  • Sie-Tiong Ha, Lay-Khoon Ong, Yasodha Sivasothy, Guan-Yeow Yeap, Hong-Cheu Lin, Siew-Ling Lee, Peng-Lim Boey and Nilesh L. Bonde. 2010. Mesogenic Schiff base esters with terminal chloro group: Synthesis, thermotropic properties and X-ray diffraction studies. International Journal of the Physical Sciences. Vol. 5(5), pp. 564-575.http://www.academicjournals.org/IJPS.
  • Sie-Tiong Ha, Teck-Ming Koh, Guan-Yeow Yeap, Hong-Cheu Lin, Siew-Ling Lee, Yip-Foo Win, Siew-Teng Ong. 2010. Mesogenic Schiff base esters with benzothiazole core: synthesis and phase transition studies. Phase Transitions. 83(3), pp 195–204.http://dx.doi.org/10.1080/01411591003600375
  • Ong, S.T., Keng, P.S., Voon, M.S., Lee, S.L. and Hung, Y.T. (2010) ‘Sorption of basic dye from Aqueous Solution by Durian Peel (Durio zibethinus Murray)’, World of Applied Sciences Journal, 9, 245-249.
  • S. Sani, S.L. Lee, M.N. Mohd Muhid, H. Hamdan, Degradation of Phenol in Waste Water Using Alcohol-Free Enzyme Encapsulated Silica Aerogel,  Technical Proceedings of the 2009 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech, Clean Technology 2009, CRC Press, Taylor and Francis Group, Vol 2, pp 399-402.
  • Lee, S.L., Nur, H., Hamdan, H. 2009. Physical Properties and Bifunctional Catalytic Performance of Phosphate-Vanadium Impregnated Silica-Titania Aerogel. Catalysis Letters. 132 (1-2), pp 28-33. http://www.springerlink.com/content/ev7124545j573434/ (ISI, I.F.=2.021).
  • Halimaton Hamdan, Mohd Nazlan Mohd Muhid, Siew Ling Lee, Yin Yin Tan. 2009. Visible Light enabled V and Cr doped Titania-Silica Aerogel Photocatalyst.. International Journal of Chemical Reactor Engineering. Vol. 7, Article 4. http://www.bepress.com/ijcre/vol7/A54.
  • Siew Ling Lee, Yin Yin Tan, Halimaton Hamdan, Mohd Nazlan Mohd Muhid. 2009. Novel Nanostructured Photocatalyst of Vanadium-Doped Silica-Titania Aerogel, NANOSCIENCE AND NANOTECHNOLOGY: International Conference on Nanoscience and Nanotechnology-2008. American Institute of Physics Conference Proceedings, Volume 1136, pp. 1-5.DOI:10.1063/1.3160130.  (scopus indexed)
  • Lee, S.L., Hamdan, H. 2008. Sulfated Silica-Titania Aerogel as A Bifunctional Oxidative and Acidic Catalyst in the Synthesis of Diols. Journal of Non-Crystalline Solids. 354 (33) 3939-3943.
  • Lee, S.L., Lee, C.K., Sinclair, D.C. 2005. Synthesis and characterisation of bismuth phosphate-based sillenite materials. Solid State Ionics. 176: 393-400. (ISI, I.F. = 2.1)
  • Lee, S.L., Lee, C.K., Sinclair, D.C, Chong, F.K., Halim, S.A., Yap, T. 2005. Preparation and characterization of new oxide ion conductors in the Bi2O3-As2O5 system. Malaysian Journal of Chemistry. 7(1):1-10.
  • Lee, S.L., Lee, C.K., Sinclair, D.C., Chong, F.K., and Halim, S.A. 2002. Preparation and characterization of ionic conductor Bi23V4O44.5.Solid State Ionics: Trends in the new millennium. Pg. 561-568.