UPM Institutional Repository

Items where Author is "Zainal, Zulkarnain"

Up a level
Export as [feed] Atom [feed] RSS 1.0 [feed] RSS 2.0
Group by: Item Type | No Grouping
Jump to: Article | Conference or Workshop Item | Monograph | Patent
Number of items: 257.

Article

Baby, Rabia and Hussein, Mohd Zobir and Abdullah, Abdul Halim and Zainal, Zulkarnain (2022) Nanomaterials for the treatment of heavy metal contaminated water. Polymers, 14 (3). art. no. 583. pp. 1-17. ISSN 2073-4360

Basri, Nur Amilah Fadlina and Wahid, Mohd Haniff and Zainal, Zulkarnain and Alang Ahmad, Shahrul Ainliah and Abdull Manap, Mohd Rashidi (2022) Surface characteristics of electrospun p-sulphonated calix[4]Arene functionalized cellulose acetate nanofiber and its behaviour towards methylene blue adsorption. Adsorption Science & Technology, 2022. art. no. 4659410. pp. 1-12. ISSN 0263-6174; ESSN: 2048-4038

Mohamad Mukhair, Hayati and Abdullah, Abdul Halim and Zainal, Zulkarnain and Lim, Hong Ngee (2021) PES-Ag3PO4/g-C3N4 mixed matrix film photocatalyst for degradation of methyl orange dye. Polymers, 13 (11). art. no. 1746. pp. 1-14. ISSN 2073-4360

Altogbia, Warda Mohamed Ali and Yusof, Nor Azah and Zainal, Zulkarnain and Idris, Azni and Ab. Rahman, Siti Khadijah and Abd Rahman, Siti Fatimah and Isha, Azizul (2021) Molecular imprinted polymer for β-carotene for application in palm oil mill effluent treatment. Arabian Journal of Chemistry, 14 (2). art. no. 102928. pp. 1-23. ISSN 1878-5352

Muhammad Muzakir, Muhammad and Zainal, Zulkarnain and Lim, Hong Ngee and Abdullah, Abdul Halim and Bahrudin, Noor Nazihah (2021) Enhanced capacitive performance of cathodically reduced titania nanotubes pulsed deposited with Mn 2 O 3 as supercapacitor electrode. RSC Advances, 11 (43). 26700 - 26709. ISSN 2046-2069

Baby, Rabia and Hussein, Mohd Zobir and Zainal, Zulkarnain and Abdullah, Abdul Halim (2021) Functionalized activated carbon derived from palm kernel shells for the treatment of simulated heavy metal-contaminated water. Nanomaterials, 11 (11). art. no. 3133. pp. 1-15. ISSN 2079-4991

Ayal, Asmaa Kadim and Zainal, Zulkarnain and Holi, Araa Mebdir and Lim, Hong-Ngee and Talib, Zainal Abidin and Lim, Ying-Chin (2021) Sensitization of TiO2 nanotube arrays photoelectrode via homogeneous distribution of CdSe nanoparticles by electrodeposition techniques. Journal of Physics and Chemistry of Solids, 153. pp. 1-9. ISSN 0022-3697; ESSN: 1879-2553

Loh, Yen Nee and Talib, Zainal Abidin and Zainal, Zulkarnain and Liew, Josephine Ying Chyi (2021) Synthesis and characterization of copper selenide and tin selenide powders by mechanical alloying method. Solid State Phenomena, 317. 152 - 156. ISSN 1012-0394; ESSN: 1662-9779

Zainal, Zulkarnain and Tan, Huey Jing and Lim, Hong Ngee and Tan, Sin Tee and Shafie, Suhaidi and Tan, Kar Ban and Baharudin, Noor Nazihah and Talib, Zainal Abidin (2021) Synthesis of high quality hydrothermally grown ZnO nanorods for photoelectrochemical cell electrode. Ceramics International, 47 (10). 14194 - 14207. ISSN 0272-8842; ESSN: 1873-3956

Sangar, Shatesh Kumar and Shamsuddin, Mohd Razali and Mohamad Saman, Ahmad Farabi and Saiman, Mohd Izham and Zainal, Zulkarnain and Yap, Taufiq Yun Hin (2020) Production of methyl esters from waste cooking oil and chicken fat oil via simultaneous esterification and transesterification using acid catalyst. Energy Conversion and Management, 226. art. no. 113366. pp. 1-12. ISSN 0196-8904

Jusoh, Farah Aishah and Tan, Kar Ban and Zainal, Zulkarnain and Chen, Soo Kien and Khaw, Chwin Chieh and Lee, Oon Jew (2020) Novel pyrochlores in the Bi2O3-Fe2O3-Ta2O5 (BFT) ternary system: synthesis, structural and electrical properties. Journal of Materials Research and Technology, 9 (5). 11022 - 11034. ISSN 2238-7854; ESSN: 2214-0697

Tan, Phei Yi and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Chen, Soo Kien and Lee, Oon Jew and Chon, Mun Ping (2020) Non-ferroelectric relaxor properties of BMN, Bi3.55Mg1.78Nb2.67O13.78 pyrochlore. Journal of Alloys and Compounds, 816. art. no. 152576. pp. 1-11. ISSN 0925-8388

Sarif @ Mohd Ali, Mahanim and Zainal, Zulkarnain and Hussein, Mohd Zobir and Wahid, Mohd Haniff and Bahrudin, Noor Nazihah (2020) Controlled concentration of Mn salt for the synthesis of manganese oxide/mesoporous carbon film as potential. Malaysian Journal of Analytical Sciences, 24 (2). 209 - 217. ISSN 1394-2506

Mat Dasin, Nurul Aidayu and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Lee, Onn Jew and Chen, Soo Kien (2020) Doping mechanisms and dielectric properties of Ca-doped bismuth magnesium niobate pyrochlores. Materials Chemistry and Physics, 242 (8). pp. 1-11. ISSN 0254-0584

Tey, Eydar and Zainal, Zulkarnain and Lim, Kean Pah and Ismail, Ismayadi (2020) Effect of addition of polyethylene glycol into trivalent chromium bath on chromium coating. Solid State Phenomena, 307. 264 - 270. ISSN 1012-0394; ESSN: 1662-9779

Al-Zahrani, Asla Abdullah and Zainal, Zulkarnain and Talib, Zainal Abidin and Lim, Hong Ngee and Mohd Fudzi, Laimy and Holi, Araa Mebdir and Mohd Ali, Mahanim Sarif (2020) Effect of annealing temperature on the performance of ZnO seed layer for photoanode in photoelectrochemical cells. Defect and Diffusion Forum, 398. 156 - 166. ISSN 1012-0386; ESSN: 1662-9507

Al-Zahrani, Asla Abdullah and Zainal, Zulkarnain and Talib, Zainal Abidin and Lim, Janet Hong Ngee and Mohd Fudzi, Laimy and Holi, Araa Mebdir and Sarif @ Mohd Ali, Mahanim (2020) Effect of hydrothermal growth temperature and time on physical properties and photoanode performance of ZnO nanorods. International Journal of Nanoelectronics and Materials, 13 (2). 381 - 400. ISSN 1985-5761; ESSN: 2232-1535

Ghamarian, Nima and Mohamed Ariff, Azmah Hanim and Zainal, Zulkarnain and Lim, Hong Ngee (2020) Electrical and corrosion characterisation of nano-composite eutectic Bi-Ag solder alloy reinforced with multi-wall carbon nanotube and multi-layer graphene. SVOA Materials Science & Technology, 2 (3). 62 - 75. ISSN 2634-5331

Muhammad Muzakir, Muhammad and Zainal, Zulkarnain and Hong, Ngee Lim and Abdullah, Abdul Halim and Baharudin, Noor Nazihah and Sarif @ Mohd Ali, Mahanim (2020) Electrochemically reduced Titania nanotube synthesized from glycerol-based electrolyte as supercapacitor electrode. Energies, 13 (11). pp. 1-15. ISSN 1996-1073

Bahrudin, Noor Nazihah and Nawi, Mohd Asri and Zainal, Zulkarnain and Schneider, Raphaël and Sabar, Sumiyyah (2020) Enhanced decolourization of methyl orange by immobilized TiO2/chitosan-montmorillonite. Water Science and Technology, 82 (3). 454 - 467. ISSN 0273-1223

Al-Zahrani, Asla Abdullah and Zainal, Zulkarnain and Talib, Zainal Abidin and Lim, Hong Ngee and Holi, Araa Mebdir and Baharudin, Noor Nazihah (2020) Enhanced photoelectrochemical performance of Bi2S3/Ag2S/ZnO novel ternary heterostructure nanorods. Arabian Journal of Chemistry, 13 (12). 9166 - 9178. ISSN 1878-5352

Baharudin, Noor Nazihah and Nawi, Mohd Asri and Zainal, Zulkarnain (2020) Insight into the synergistic photocatalytic-adsorptive removal of methyl orange dye using TiO2/chitosan based photocatalyst. International Journal of Biological Macromolecules, 165 (pt. B). 2462 - 2474. ISSN 0141-8130; ESSN: 1879-0003

Jusoh, Farah Aishah and Tan, Kar Ban and Zainal, Zulkarnain and Chen, Soo Kien and Khaw, Chwin Chieh and Lee, Onn Jew (2020) Investigation of structural and dielectric properties of subsolidus bismuth iron niobate pyrochlores. Journal of Asian Ceramic Societies, 8 (3). 957 - 969. ISSN 2187-0764

Mohamad Zubir, Hamizah Syahirah and Wahid, Mohd Haniff and Ling, Irene and Lim, Hong Ngee and Kamaruzaman, Sazlinda and Zainal, Zulkarnain (2020) Preparation and characterization of p-sulfonated calix[4]arene functionalized chitosan hydrogel beads and their preliminary adsorption study towards removal of lead(II) and zinc(II) ions. Malaysian Journal of Fundamental and Applied Sciences, 16 (4). 429 - 432. ISSN 2289-5981; ESSN: 2289-599X

Nasir, Salisu and Hussein, Mohd Zobir and Zainal, Zulkarnain and Yusof, Nor Azah (2019) Development of new carbon-based electrode material from oil palm wastes-derived reduced graphene oxide and its capacitive performance evaluation. Journal of Nanomaterials, 2019. art. no. 1970365. pp. 1-14. ISSN 1687-4110; ESSN: 1687-4129

Mat Dasin, Nurul Aidayu and Tan, Kar Ban and Zainal, Zulkarnain and Khaw, Chwin Chieh and Chen, Soo Kien (2019) Doping mechanisms and impedance study of Ba-substituted bismuth magnesium niobate pyrochlores. Journal of Electroceramics, 43. pp. 41-50. ISSN 1385-3449; ESSN: 1573-8663

Pam, Aloysius Akaangee and Abdullah, Abdul Halim and Tan, Yen Ping and Zainal, Zulkarnain (2019) Pb(II) removal from wastewater by modified activated carbon in batch and fixed-bed column studies: synthetic and real wastewater application. Desalination and Water Treatment, 120. pp. 290-301. ISSN 1944-3994; ESSN: 1944-3986

Liew, Josephine Ying Chyi and Talib, Zainal Abidin and Zainal, Zulkarnain and Ahmad Kamarudin, Mazliana and Osman, Nurul Huda and Han, Kee Lee (2019) Structural and transport mechanism studies of copper selenide nanoparticles. Semiconductor Science and Technology, 34 (12). pp. 1-9. ISSN 0268-1242; ESSN: 1361-6641

Holi, Araa Mebdir and Zainal, Zulkarnain and Ayal, Asmaa Kadim and Chang, Sook Keng and Lim, Hong Ngee and Talib, Zainal Abidin and Yap, Chi Chin (2018) Effect of heat treatment on photoelectrochemical performance of hydrothermally synthesised Ag2S/ZnO nanorods arrays. Chemical Physics Letters, 710. 100 - 107. ISSN 0009-2614; ESSN: 1873-4448

Ayal, Asmaa Kadim and Zainal, Zulkarnain and Lim, Hong Ngee and Talib, Zainal Abidin and Lim, Ying Chin and Chang, Sook Keng and Holi, Araa Mebdir (2018) Fabrication of CdSe nanoparticles sensitized TiO2 nanotube arrays via pulse electrodeposition for photoelectrochemical application. Materials Research Bulletin, 106. 257 - 262. ISSN 0025-5408

Yusof, Nor Hidayat and Abdullah, Jaafar and Yusof, Nor Azah and Zainal, Zulkarnain (2018) Fabrication of titania nanotube and its application for palmitic acid determination by electrochemical technique. Sensor Letters, 16 (10). 729 - 736. ISSN 1546-198X; ESSN: 1546-1971

Ng, Huey Chyi and Lim, Hong Ngee and Shuzi, Hayase and Zainal, Zulkarnain and Huang, Nay Ming (2018) Photovoltaic performances of mono- and mixed-halide structures for perovskite solar cell: a review. Renewable and Sustainable Energy Reviews, 90. 248 - 274. ISSN 1364-0321

Mohd Hir, Zul Adlan and Abdullah, Abdul Halim and Zainal, Zulkarnain and Lim, Hong Ngee (2018) Visible light-active hybrid film photocatalyst of polyethersulfone–reduced TiO2: photocatalytic response and radical trapping investigation. Journal of Materials Science, 53. 13264 - 13279. ISSN 0022-2461; ESSN: 1573-4803

Syed Zainol Abidin, Shariffah Nur Jannah and Mamat @ Mat Nazir, Md Shuhazlly and Abdul Rashid, Suraya and Zainal, Zulkarnain and Sulaiman, Yusran (2018) Electropolymerization of poly(3,4-ethylenedioxythiophene) onto polyvinyl alcohol-graphene quantum dot-cobalt oxide nanofiber composite for high-performance supercapacitor. Electrochimica Acta, 261. 548 - 556. ISSN 0013-4686

Syed Zainol Abidin, Shariffah Nur Jannah and Mamat, Shuhazlly and Abdul Rashid, Suraya and Zainal, Zulkarnain and Sulaiman, Yusran (2018) Fabrication of poly(vinyl alcohol)-graphene quantum dots coated with poly(3, 4-ethylenedioxythiophene) for supercapacitor. Journal of Polymer Science Part A: Polymer Chemistry, 56 (1). 50 - 58. ISSN 1099-0518; ESSN: 0887-624X

Chua, Chi Wing and Zainal, Zulkarnain and Lim, Hong Ngee and Chang, Sook Keng (2018) Effect of electrolytes on the electrochemical performance of nickel cobaltite–titania nanotubes composites as supercapacitive materials. Journal of Materials Science: Materials in Electronics, 29 (17). 14445 - 14454. ISSN 0957-4522; ESSN: 1573-482X

Mohd Fudzi, Laimy and Zainal, Zulkarnain and Lim, Hong Ngee and Chang, Sook Keng and Holi, Araa Mebdir and Sarif @ Mohd Ali, Mahanim (2018) Effect of temperature and growth time on vertically aligned ZnO nanorods by simplified hydrothermal technique for photoelectrochemical cells. Materials, 11 (5). art. no. 704. pp. 1-13. ISSN 1996-1944

Samsudin, Nurul Asma and Zainal, Zulkarnain and Lim, Hong Ngee and Sulaiman, Yusran and Chang, Sook Keng and Lim, Ying Chin and Mohd Amin, Wardatun Nadrah (2018) Enhancement of capacitive performance in titania nanotubes modified by an electrochemical reduction method. Journal of Nanomaterials, 2018. art. no. 9509126. pp. 1-10. ISSN 1687-4110; ESSN: 1687-4129

Binyehmed, Fadel Mohamed M. Ali and Abdullah, Ahmad Makmom and Zainal, Zulkarnain and Mohd Zawawi, Ruzniza (2018) Green coffee bean extract as a green corrosion inhibitor for aluminium in artificial acid rain medium. International Journal of Applied Environmental Sciences, 13 (2). 171 - 183. ISSN 0973-6077

Zuru, Danlami Umar and Zainal, Zulkarnain and Hussein, Mohd Zobir and Mohamad Jaafar, Adila and Lim, Hong Ngee and Chang, Sook-Keng (2018) Theoretical and experimental models for the synthesis of single-walled carbon nanotubes and their electrochemical properties. Journal of Applied Electrochemistry, 48 (3). 287 - 304. ISSN 0021-891X; EISSN: 1572-8838

Mohd Hir, Zul Adlan and Abdullah, Abdul Halim and Zainal, Zulkarnain and Lim, Hong Ngee (2017) Photoactive hybrid film photocatalyst of polyethersulfone-ZnO for the degradation of methyl orange dye: kinetic study and operational parameters. Catalysts, 7 (11). pp. 1-16. ISSN 2073-4344

Zuru, Danlami Umar and Zainal, Zulkarnain and Hussein, Mohd Zobir and Jaafar, Adila Mohamad and Lim, Hong-Ngee and Chang, Sook-Keng (2017) Theoretical model for prediction of metal catalyst in the chemical vapour deposition of carbon nanotubes. International Journal of Scientific & Engineering Research, 8 (8). 607 - 613. ISSN 2229-5518

Muh’d, Ibrahim Bagudo and Talib, Zainal Abidin and Zainal, Zulkarnain and Ying, Josephine Chi Liew (2017) Pinned luminescence emission and absorbance band from ultrasmall ball-milled Cd0.3Zn0.7Se nanocrystals. Journal of Nanomaterials, 2017. pp. 1-6. ISSN 1687-4110; ESSN: 1687-4129

Ghamarian, Nima and Mohamed Ariff, Azmah Hanim and Nahavandi, Mahdi and Zainal, Zulkarnain and Lim, Hong Ngee (2017) Application of artificial neural networks for the optimisation of wetting contact angle for lead free Bi-Ag soldering alloys. Pertanika Journal of Science & Technology, 25 (4). pp. 1255-1260. ISSN 0128-7680; ESSN: 2231-8526

Ng, C. H. and Lim, Hong Ngee and S., Hayase and Zainal, Zulkarnain and Shafie, Suhaidi and Huang, N. M. (2017) Capacitive performance of graphene-based asymmetric supercapacitor. Electrochimica Acta, 229. pp. 173-182. ISSN 0013-4686; ESSN: 1873-3859

Firman, Kartika and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Tan, Yen Ping and Chen, Soo Kien (2017) Doping mechanisms and electrical properties of bismuth tantalate fluorites. Journal of Materials Science, 52 (17). pp. 10106-10118. ISSN 0022-2461; ESSN: 1573-4803

Chee, Wei Kit and Lim, Hong Ngee and Zainal, Zulkarnain and Harrison, Ian A. and Andou, Yoshito and Huang, Nay Ming and Altarawneh, Mohammednoor and Jiang, Zhong-Tao (2017) Electrospun graphene nanoplatelets-reinforced carbon nanofibers as potential supercapacitor electrode. Materials Letters, 199. pp. 200-203. ISSN 0167-577X; ESSN: 1873-4979

Chee, W. K. and Lim, Hong Ngee and Zainal, Zulkarnain and Harrison, Ian and Huang, N. M. and Andou, Andou and Chong, K. F. and Pandikumar, Alagarsamy (2017) Electrospun nanofiber membranes as ultrathin flexible supercapacitors. RSC Advances, 7. pp. 12033-12040. ISSN 2046-2069

Tan, Kar Ban and Chon, Mun Ping and Khaw, Chwin Chieh and Zainal, Zulkarnain and Yap, Taufiq Yun Hin and Chen, Soo Kien and Tan, Phei Yi (2017) Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system. Ceramics International, 43 (6). pp. 4930-4936. ISSN 0272-8842; ESSN: 1873-3956

Mat Dasin, Nurul Aidayu and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Chen, Soo Kien (2017) Subsolidus solution and electrical properties of Sr-substituted bismuth magnesium niobate pyrochlores. Ceramics International, 43 (13). pp. 10183-10191. ISSN 0272-8842; ESSN: 1873-3956

Holi, Araa Mebdir and Zainal, Zulkarnain and Talib, Zainal Abidin and Lim, Hong Ngee and Yap, Chi Chin and Chang, Sook Keng and Ayal, Asmaa Kadim (2016) Effect of hydrothermal growth time on ZnO nanorod arrays photoelectrode performance. Optik, 127 (23). pp. 11111-11118. ISSN 0030-4026; ESSN: 1618-1336

Chon, M. P. and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Yap, Taufiq Yun Hin and Chen, Soo Kien and Tan, P. Y. (2016) Subsolidus phase equilibria and electrical properties of pyrochlores in the Bi2O3–CuO–Ta2O5 ternary system. Journal of Alloys and Compounds, 675. pp. 116-127. ISSN 0925-8388; ESSN: 1873-4669

Holi, Araa Mebdir and Zainal, Zulkarnain and Talib, Zainal Abidin and Lim, Hong Ngee and Yap, Chi Chin and Chang, Sook Keng and Ayal, Asmaa Kadim (2016) Hydrothermal deposition of CdS on vertically aligned ZnO nanorods for photoelectrochemical solar cell application. Journal of Materials Science: Materials in Electronics, 27 (7). pp. 7353-7360. ISSN 0957-4522; ESSN: 1573-482X

Ayal, Asmaa Kadim and Zainal, Zulkarnain and Lim, Hong Ngee and Talib, Zainal Abidin and Lim, Ying Chin and Chang, Sook Keng and Samsudin, Nurul Asma and Holi, Araa Mebdir and Mohd Amin, Wardatun Nadrah (2016) Electrochemical deposition of CdSe-sensitized TiO2 nanotube arrays with enhanced photoelectrochemical performance for solar cell application. Journal of Materials Science: Materials in Electronics, 27 (5). pp. 5204-5210. ISSN 0957-4522; ESSN: 1573-482X

Abdullah, Nurul Hidayah and Zainal, Zulkarnain and Silong, Sidik and Mohamed Tahir, Mohamed Ibrahim and Kar, Ban Tan and Sook, Keng Chang (2016) Thermal decomposition synthesis of nanorods bismuth sulphide from bismuth N-ethyl cyclohexyl dithiocarbamate complex. Thermochimica Acta, 632. pp. 37-45. ISSN 0040-6031

Mohamed Binyehmed, Fadel and Abdullah, Ahmad Makmom and Zainal, Zulkarnain and Mohd Zawawi, Ruzniza and Elhadi Elawad, Rasheida Elawa (2016) Trend and status of SO2 pollution as a corrosive agent at four different monitoring station in the Klang Valley, Malaysia. International Journal of Advanced Scientific and Technical Research, 3 (6). pp. 302-316. ISSN 2249 - 9954

Ngai, Koh Sing and Tan, Wee Tee and Zainal, Zulkarnain and Mohd Zawawi, Ruzniza and Juan, Joon Ching (2016) Electrochemical sensor based on single-walled carbon nanotube/ ZnO photocatalyst nanocomposite modified electrode for the determination of paracetamol. Science of Advanced Materials, 8 (4). pp. 788-796. ISSN 1947-2935; ESSN: 1947-2943

Abdullah, Nurul Hidayah and Zainal, Zulkarnain and Silong, Sidik and Mohamed Tahir, Mohamed Ibrahim and Tan, Kar Ban and Chang, Sook Keng (2016) Synthesis of zinc sulphide nanoparticles from thermal decomposition of zinc N-ethyl cyclohexyl dithiocarbamate complex. Materials Chemistry and Physics, 173. pp. 33-41. ISSN 0254-0584; ESSN: 1879-3312

Khadiran, Tumirah and Hussein, Mohd Zobir and Zainal, Zulkarnain and Rusli, Rafeadah (2016) Advanced energy storage materials for building applications and their thermal performance characterization: a review. Renewable and Sustainable Energy Reviews, 57. pp. 916-928. ISSN 1364-0321; ESSN: 1879-0690

Chee, Wei Kit and Lim, Hong Ngee and Zainal, Zulkarnain and Huang, Nay Ming and Harrison, Ian and Ando, Yoshito (2016) Flexible graphene-based supercapacitors: a review. The Journal of Physical Chemistry C, 120 (8). pp. 4153-4172. ISSN 1932-7447; ESSN: 1932-7455

Al-Doghachi, Faris A. J. and Islam, Aminul and Zainal, Zulkarnain and Saiman, Mohd Izham and Embong, Zaidi and Yap, Taufiq Yun Hin (2016) High coke-resistance Pt/Mg1-xNixO catalyst for dry reforming of methane. PLOS ONE, 11 (1). art. no. e0145862. pp. 1-22. ISSN 1932-6203

Kulandaivalu, Shalini and Zainal, Zulkarnain and Sulaiman, Yusran (2016) Influence of monomer concentration on the morphologies and electrochemical properties of PEDOT, PANI and PPy prepared from aqueous solution. International Journal of Polymer Science, 2016. art. no. 8518293. pp. 1-12. ISSN 1687-9422; ESSN: 1687-9430

Lim, Ying Chin and Zainal, Zulkarnain and Hussein, Mohd Zobir and Tan, Wee Tee (2016) Investigation on optical and photoelectrochemical properties of self-assembled titania nanotube arrays prepared by anodization. Malaysian Journal of Analytical Sciences, 20 (1). pp. 121-130. ISSN 1394-2506

Khadiran, Tumirah and Hussein, Mohd Zobir and Wan Syamsi, Hashim and Zainal, Zulkarnain and Rusli, Rafeadah (2016) Laboratory-scale studies on smart gypsum composite boards incorporated with nano-encapsulated organic phase change material for thermal comfort building application. Journal of Materials in Civil Engineering, 28 (3). art. no. 04015137. pp. 1-10. ISSN 0899-1561; ESSN: 1943-5533

Chon, Mun Ping and Tan, Kar Ban and Zainal, Zulkarnain and Yap, Taufiq Yun Hin and Tan, Phei Yi and Khaw, Chwin Chieh and Chen, Soo Kien (2016) Synthesis and electrical properties of Zn-substituted bismuth copper tantalate pyrochlores. International Journal of Applied Ceramic Technology, 13 (4). pp. 718-725. ISSN 1546-542X; ESSN: 1744-7402

Samsudin, Nurul Asma and Zainal, Zulkarnain and Lim, Hong Ngee and Sulaiman, Yusran and Chang, Sook Keng (2016) Titania nanotubes synthesised via the electrochemical anodisation method: synthesis and supercapacitor applications. Pertanika Journal of Scholarly Research Reviews, 2 (1). pp. 107-128. ISSN 2462-2028

Mohd Amin, Wardatun Nadrah and Zainal, Zulkarnain and Talib, Zainal Abidin and Lim, Hong Ngee and Chang, Sook Keng (2015) Quantum dot-sensitized solar cell based on nano-TiO2 electrodes. Pertanika Journal of Scholarly Research Reviews, 1 (1). pp. 67-81. ISSN 2462-2028

Chang, Sook Keng and Zainal, Zulkarnain and Tan, Kar Ban and Yusof, Nor Azah and Wan Yusoff, Wan Mohamad Daud and Prabaharan, Savari R. S. (2015) Synthesis and electrochemical properties of nanostructured nickel–cobalt oxides as supercapacitor electrodes in aqueous media. International Journal of Energy Research, 39 (10). pp. 1366-1377. ISSN 0363-907X; ESSN: 1099-114X

Ngai, Koh Sing and Tan, Wee Tee and Zainal, Zulkarnain and Mohd Zawawi, Ruzniza and Juan, Joon Ching (2015) Single-walled carbon nanotube/tungsten-modified glassy carbon electrode as a novel sensor for the electrochemical determination of ascorbic acid. Sensor Letters, 13 (5). pp. 411-418. ISSN 1546-198X; ESSN: 1546-1971

S., Sivasangar and Ali, Salmiaton and Zainal, Zulkarnain and Yap, Taufiq Yun Hin (2015) Supercritical water gasification of empty fruit bunches from oil palm for hydrogen production. Fuel, 143. pp. 563-569. ISSN 0016-2361; ESSN: 1873-7153

Khadiran, Tumirah and Hussein, Mohd. Zobir and Zainal, Zulkarnain and Rosli, Rafeadah (2015) Activated carbon derived from peat soil as a framework for the preparation of shape-stabilized phase change material. Energy, 82 (1). pp. 468-478. ISSN 0360-5442; ESSN: 1873-6785

Chang, Sook Keng and Zainal, Zulkarnain and Tan, Kar Ban and Yusof, Nor Azah and Wan Yusoff, Wan Mohamad Daud and Prabaharan, Savari R. S. (2015) Recent development in spinel cobaltites for supercapacitor application. Ceramics International, 41 (1 pt.A). pp. 1-14. ISSN 0272-8842; ESSN: 1873-3956

Hussein, Mohd Zobir and Khadiran, Tumirah and Zainal, Zulkarnain and Rusli, Rafeadah (2015) Properties of n-octadecane-encapsulated activated carbon nanocomposite for energy storage medium: the effect of surface area and pore structure. Australian Journal of Basic and Applied Sciences, 9 (8). pp. 82-88. ISSN 1991-8178

Khadiran, Tumirah and Hussein, Mohd Zobir and Zainal, Zulkarnain and Rusli, Rafeadah (2015) Shape-stabilized n-octadecane/activated carbon nanocomposite phase change material for thermal energy storage. Journal of the Taiwan Institute of Chemical Engineers, 55. pp. 189-197. ISSN 1876-1070; ESSN: 1876-1089

Rahman, N. and Tan, Kar Ban and Zainal, Zulkarnain and Khaw, Chwin Chieh and Chon, Mun Ping (2015) Subsolidus solution and oxide ionic conductivity of Nd-substituted bismuth yttria fluorites. Sains Malaysiana, 44 (7). pp. 1003-1009. ISSN 0026-6039

Chang, Sook-Keng and Zainal, Zulkarnain and Tan, Kar-Ban and Yusof, Nor Azah and Wan Yusoff, Wan Mohamad Daud and Prabaharan, S. R. S. (2015) Synthesis and electrochemical properties ofnanostructured nickel–cobalt oxides as supercapacitor electrodes in aqueous media. International Journal of Energy Research, 39 (10). pp. 1366-1377. ISSN 0363-907X; ESSN: 1099-114X

Nazarudin, Muhammad Farhan and Zainal, Zulkarnain and Hamadneh, Imad (Moh'd Khair) Rashid (2015) Synthesis of ErBa2Cu3O7-δ superconducting ceramic material via co precipitation and conventional solid state routes. Journal of Materials and Environmental Science, 6 (2). pp. 359-365. ISSN 2028-2508

Barahuie, Farahnaz and Hussein, Mohd Zobir and Abd Gani, Shafinaz and Fakurazi, Sharida and Zainal, Zulkarnain (2015) Synthesis of protocatechuic acid-zinc/aluminium-layered double hydroxide nanocomposite as an anticancer nanodelivery system. Journal of Solid State Chemistry, 221. pp. 21-31. ISSN 0022-4596; ESSN: 1095-726X

Barahuie, Farahnaz and Hussein, Mohd Zobir and Abd Gani, Shafinaz and Fakurazi, Sharida and Zainal, Zulkarnain (2015) Synthesis of protocatechuic acid–zinc/aluminium–layered double hydroxide nanocomposite as an anticancer nanodelivery system. Journal of Solid State Chemistry, 221. pp. 21-31. ISSN 0022-4596; ESSN: 1095-726X

Khadiran, Tumirah and Hussein, Mohd Zobir and Zainal, Zulkarnain and Rusli, Rafeadah (2015) Textural and chemical properties of activated carbon prepared from tropical peat soil by chemical activation method. BioResources, 10 (1). pp. 986-1007. ISSN 1930-2126

Kulandaivalu, Shalini and Zainal, Zulkarnain and Sulaiman, Yusran (2015) A new approach for electrodeposition of poly (3, 4-ethylenedioxythiophene)/polyaniline (PEDOT/PANI) copolymer. International Journal of Electrochemical Science, 10 (11). pp. 8926-8940. ISSN 1452-3981

Jumeri, F. A. and Lim, Hong Ngee and Zainal, Zulkarnain and Huang, Nay Ming and Pandikumar, Alagarsamy (2014) Titanium dioxide-reduced graphene oxide thin film for photoelectrochemical water splitting. Ceramics International, 40 (9 pt.B). pp. 15159-15165. ISSN 0272-8842; ESSN: 1873-3956

Bak, K. Y. and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Tan, P. Y. and Chon, Mun Ping (2014) Structural and electrical properties of Nb-substituted LiTa1-xNbxO3. Sains Malaysiana, 43 (10). pp. 1573-1582. ISSN 0026-6039

Barahuie, Farahnaz and Hussein, Mohd Zobir and Arulselvan, Palanisamy and Fakurazi, Sharida and Zainal, Zulkarnain (2014) Drug delivery system for an anticancer agent, chlorogenate-Zn/Al-layered double hydroxide nanohybrid synthesised using direct co-precipitation and ion exchange methods. Journal of Solid State Chemistry, 217. pp. 31-41. ISSN 0022-4596; ESSN: 1095-726X

Sabli, Nordin and Talib, Zainal Abidin and Mat Yunus, Wan Mahmood and Zainal, Zulkarnain and Hilal, Hikmat S. and Fujii, Masatoshi (2014) Film electrodes deposited from Cu2SnSe3 source in comparison with those deposited from SnSe and Cu2ZnSnSe4 sources by thermal vacuum evaporation: effect of argon gas flow rate. Electrochimica Acta, 139. pp. 238-243. ISSN 0013-4686; ESSN: 1873-3859

Ong, Poh Shing and Tan, Yen Ping and Yap, Taufiq Yun Hin and Zainal, Zulkarnain (2014) Improved sinterability and conductivity enhancement of 10-mol% calcium-doped ceria using different fuel-aided combustion reactions and its structural characterisation. Materials Science and Engineering: B, 185. pp. 26-36. ISSN 0921-5107

Barahuie, Farahnaz and Hussein, Mohd Zobir and Abd Gani, Shafinaz and Fakurazi, Sharida and Zainal, Zulkarnain (2014) Anticancer nanodelivery system with controlled release property based on protocatechuate–zinc layered hydroxide nanohybrid. International Journal of Nanomedicine, 9 (1). pp. 3137-3149. ISSN 1176-9114; ESSN: 1178-2013

Tan, Kar Ban and Chon, Mun Ping and Khaw, Chwin Chieh and Zainal, Zulkarnain and Yap, Taufiq Yun Hin and Tan, Phei Yi (2014) Novel monoclinic zirconolite in Bi2O3-CuO-Ta2O5 ternary system: phase equilibria, structural and electrical properties. Journal of Alloys and Compounds, 592. pp. 140-149. ISSN 0925-8388; ESSN: 1873-4669

Tan, P. Y. and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Chen, Soo Kien and Chon, Mun Ping (2014) Phase equilibria and dielectric properties of Bi3+(5/2)xMg2−xNb3–(3/2)xO14−x cubic pyrochlores. Ceramics International, 40 (3). pp. 4237-4246. ISSN 0272-8842; ESSN: 1873-3956

Chon, Mun Ping and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Yap, Taufiq Yun Hin and Chen, Soo Kien and Tan, Phei Yi (2014) Investigation of the phase formation and dielectric properties of Bi7Ta3O18. Journal of Alloys and Compounds, 590. pp. 479-485. ISSN 0925-8388; ESSN: 1873-4669

Khadiran, Tumirah and Hussein, Mohd. Zobir and Zainal, Zulkarnain and Rusli, Rafeadah (2014) Nano-encapsulated organic phase change material based on copolymer nanocomposites for thermal energy storage. Energy, 66. pp. 881-890. ISSN 0360-5442; ESSN: 1873-6785

Sabli, Nordin and Talib, Zainal Abidin and Bin, Chang Chung and Mat Yunus, Wan Mahmood and Zainal, Zulkarnain and Hilal, Hikmat S. and Liew, Josephine Ying Chyi and Fujii, Masatoshi (2014) Deposition and characterization of SnSe and CuInSe2 thin films by thermal evaporation technique from synthesized SnSe and CuInSe2 sources. Sains Malaysiana, 43 (7). pp. 1061-1067. ISSN 0126-6039

Barahuie, Farahnaz and Hussein, Mohd Zobir and Fakurazi, Sharida and Zainal, Zulkarnain (2014) Development of drug delivery systems based on layered hydroxides for nanomedicine. International Journal of Molecular Sciences, 15 (5). pp. 7750-7786. ISSN 1661-6596; ESSN: 1422-0067

Hussein, Mohd Zobir and Mohamad Jaafar, Adila and Yahaya, Asmah and Masarudin, Mas Jaffri and Zainal, Zulkarnain (2014) Formation and yield of multi-walled carbon nanotubes synthesized via chemical vapour deposition routes using different metal-based catalysts of FeCoNiAl, CoNiAl and FeNiAl-LDH. International Journal of Molecular Sciences, 15 (11). pp. 20254-20265. ISSN 1661-6596; ESSN: 1422-0067

Ibrahim, Mohd Lokman and Rashid, Umer and Zainal, Zulkarnain and Yunus, Robiah and Yap, Taufiq Yun Hin (2014) Microwave-assisted biodiesel production by esterification of palm fatty acid distillate. Journal of Oleo Science, 63 (9). 849-855 . ISSN 1345-8957; ESSN: 1347-3352

Liman, Muhammad Gidado and Abdullah, Abdul Halim and Hussein, Mohd. Zobir and Zainal, Zulkarnain (2014) Photodegradation of nitrobenzene using cobalt modified zinc oxide particles. Asian Journal of Chemistry, 26 (suppl.). S287-S290. ISSN 0970-7077; ESSN: 0975-427X

Sabli, Nordin and Talib, Zainal Abidin and Mat Yunus, Wan Mahmood and Zainal, Zulkarnain and Hilal, Hikmat S. and Fujii, Masatoshi (2014) SnSe thin film electrodes prepared by vacuum evaporation: enhancement of photoelectrochemical efficiency by argon gas condensation method. Electrochemistry, 82 (1). pp. 25-30. ISSN 1344-3542; ESSN: 2186-2451

Lee, Kian Mun and Abdullah, Abdul Halim and Hussein, Mohd. Zobir and Zainal, Zulkarnain (2014) Synthesis and photocatalysis of ZnO/Fe2O3 nanocomposite in degrading herbicide 2,4-dichlorophenoxyacetic acid. Sains Malaysiana, 43 (3). pp. 437-441. ISSN 0026-6039

Ong, Poh Shing and Tan, Yen Ping and Yap, Taufiq Yun Hin and Zainal, Zulkarnain (2014) A comparative study of Yttrium doped ceria ceramics synthesized using mechanochemical and solid state methods. Pertanika Journal of Science & Technology, 22 (1). pp. 35-42. ISSN 0128-7680; ESSN: 2231-8526

Dutse, Sabo Wada and Yusof, Nor Azah and Ahmad, Haslina and Hussein, Mohd Zobir and Zainal, Zulkarnain and Hushiarian, Roozbeh and Hajian, Reza (2014) An electrochemical biosensor for the determination of Ganorderma boninense pathogen based on a novel modified gold nanocomposite film electrode. Analytical Letters, 47 (5). pp. 819-832. ISSN 0003-2719; ESSN: 1532-236X

Yap, Taufiq Yun Hin and Sudarno, and Rashid, Umer and Zainal, Zulkarnain (2013) CeO2–SiO2 supported nickel catalysts for dry reforming of methane toward syngas production. Applied Catalysis A: General, 468. pp. 359-369. ISSN 0926-860X; ESSN: 1873-3875

Koh, Sing Ngai and Tan, Wee Tee and Zainal, Zulkarnain and Mohd Zawawi, Ruzniza and Zidan, Mohammed (2013) Voltammetry detection of ascorbic acid at glassy carbon electrode modified by single-walled carbon nanotube/zinc oxide. International Journal of Electrochemical Science, 8 (8). pp. 10557-10567. ISSN 1452-3981

Barahuie, Farahnaz and Hussein, Mohd. Zobir and Hussein Al Ali, Samer Hasan and Arulselvan, Palanisamy and Fakurazi, Sharida and Zainal, Zulkarnain (2013) Preparation and controlled-release studies of a protocatechuic acid-magnesium/aluminum-layered double hydroxide nanocomposite. International Journal of Nanomedicine, 8 (1). pp. 1975-1987. ISSN 1176-9114; ESSN: 1178-2013

Lim, Ying Chin and Zainal, Zulkarnain and Hussein, Mohd. Zobir and Tan, Wee Tee (2013) The effect of heat treatment on phase transformation, morphology and photoelectrochemical response of short TiO2 nanotubes. Digest Journal of Nanomaterials and Biostructures, 8 (1). pp. 167-176. ISSN 1842-3582

Al-Qubaisi, Mothanna Sadiq and Abdullah, Rasedee and Flaifel, Moayad Husein and Ahmad, Sahrim and Al-Ali, Samer Hussein and Hussein, Mohd. Zobir and Eid, Eltayeb E. M. and Zainal, Zulkarnain and Mohd Saeed, and Ilowefah, Muna and Fakurazi, Sharida and Mohd Isa, Norhaszalina and El Zowalaty, Mohamed Ezzat (2013) Cytotoxicity of nickel zinc ferrite nanoparticles on cancer cells of epithelial origin. International Journal of Nanomedicine, 8. pp. 2497-2508. ISSN 1176-9114; ESSN: 1178-2013

Dutse, Sabo Wada and Yusof, Nor Azah and Ahmad , Haslina and Hussein, Mohd Zobir and Zainal, Zulkarnain and Hushiarian, Roozbeh (2013) DNA-based biosensor for detection of ganoderma boninense, an oil palm pathogen utilizing newly synthesized ruthenium complex [Ru(phen)2,(qtpy)]2+ based on a PEDOT-PSS/Ag nanoparticles modified electrode. International Journal of Electrochemical Science, 8 (9). pp. 11048-11057. ISSN 1452-3981

Sabli, Nordin and Talib, Zainal Abidin and Mat Yunus, Wan Mahmood and Zainal, Zulkarnain and Hilal, Hikmat S. and Fujii, Masatoshi (2013) Effect of argon gas on photoelectrochemical characteristics of film electrodes prepared by thermal vacuum evaporation from synthesized copper zinc tin selenide. International Journal of Electrochemical Science, 8 (9). pp. 10910-10920. ISSN 1452-3981

Al-Qubaisi, Mothanna Sadiq and Abdullah, Rasedee and Flaifel, Moayad Husein and Ahmad, Sahrim and Al Ali, Samer Hassein and Hussein, Mohd Zobir and Zainal, Zulkarnain and Alhassan, Fatah H. and Yap, Taufiq Yun Hin and Eid, Eltayeb E. M. and Arbab, Ismail Adam and Al-Asbahi, Bandar A. and Webster, Thomas J. and El Zowalaty, Mohamed Ezzat (2013) Induction of apoptosis in cancer cells by NiZn ferrite nanoparticles through mitochondrial cytochrome C release. International Journal of Nanomedicine, 8 (1). pp. 4115-4130. ISSN 1176-9114; ESSN: 1178-2013

Nordin, S. N. M. and Abdullah, Abdul Halim and Zainal, Zulkarnain (2013) Morphologies of Nanostuctured ZnO prepared by matrix-assisted method and its effects on photocatalytic activity. Asian Journal of Chemistry, 25 (18). pp. 10230-10232. ISSN 0970-7077; ESSN: 0975-427X

Lim, Ying Chin and Zainal, Zulkarnain and Hussein, Mohd. Zobir and Tan, Wee Tee (2013) Morphology and dimensions controlled of Titania nanotubes in mixed oganic-inorganic electrolyte. Advanced Materials Research, 686. pp. 13-17. ISSN 1022-6680; ESSN: 1662-8985

Sabli, Nordin and Talib, Zainal Abidin and Mat Yunus, Wan Mahmood and Zainal, Zulkarnain and Hilal, Hikmat S. and Fujii, Masatoshi (2013) New technique for efficiency enhancement of film electrodes deposited by argon gas condensation from metal chalcogenide sources. International Journal of Electrochemical Science, 8. pp. 12038-12050. ISSN 1452-3981

Abdullah, Abdul Halim and Lee, Kian Mun and Zainal, Zulkarnain and Hussein, Mohd Zobir (2013) Photodegradation of chlorophenoxyacetic acids by ZnO/y-Fe2O3 nanocatalysts : a comparative study. International Journal of Chemistry, 5 (4). pp. 56-65. ISSN 1916-9698; ESSN: 1916-9701

Ghamarian, Nima and Zainal, Zulkarnain and Zidan, Mohammed and Tan, Wee Tee (2013) Pulse electrochemical deposition and photo-electrochemical characterization of CuInSe2 thin films. International Journal of Electrochemical Science, 8 (1). pp. 312-322. ISSN 1452-3981

Bashi, Abbas M. and Hussein, Mohd Zobir and Zainal, Zulkarnain and Tichit, Didier (2013) Synthesis and controlled release properties of 2,4-dichlorophenoxy acetate–zinc layered hydroxide nanohybrid. Journal of Solid State Chemistry, 203. pp. 19-24. ISSN 0022-4596

Chon, Mun Ping and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Yap, Taufiq Yun Hin (2013) Synthesis and impedance studies of CuTa2-2xO6-5x perovskites. Advanced Science Letters, 19 (3). pp. 992-996. ISSN 1936-6612; ESSN: 1936-7317

Seenivasagam, Sivasangar and Yap, Taufiq Yun Hin and Zainal, Zulkarnain and Kitagawa, Kuniyuki (2013) Thermal behavior of lignocellulosic materials under aerobic/anaerobic environments. International Journal of Hydrogen Energy, 38 (36). pp. 16011-16019. ISSN 0360-3199; ESSN: 1879-3487

Tan, P. Y. and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Chen, Soo Kien and Chon, Mun Ping (2012) Structural and electrical properties of bismuth magnesium tantalate pyrochlores. Ceramics International, 38 (7). pp. 5401-5409. ISSN 0272-8842

Chon, Mun Ping and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Yap, Taufiq Yun Hin and Tan, Phei Yi (2012) Synthesis, structural and electrical properties of novel pyrochlores in the Bi2O3-CuO-Ta2O5 ternary system. Ceramics International, 38 (5). pp. 4253-4261. ISSN 0272-8842; ESSN: 1873-3956

Md Daud, Mohd Norizam and Zakaria, Azmi and Jafari, Atefeh and Mohd Ghazali, Mohd Sabri and Wan Abdullah, Wan Rafizah and Zainal, Zulkarnain (2012) Characterization of CdTe films deposited at various bath temperatures and concentrations using electrophoretic deposition. International Journal of Molecular Sciences, 13 (5). pp. 5706-5714. ISSN 1422-0067

Tan, M.Y. and Tan, Kar Ban and Zainal, Zulkarnain and Khaw, Chwin Chieh and Chen, Soo Kien (2012) Subsolidus formation and impedance spectroscopy studies of materials in the (Bi2O3)1−x (Y2O3)x binary system. Ceramics International, 38 (4). pp. 3403-3409. ISSN 0272-8842

Hussein, Mohd. Zobir and Abdul Rahman, Nor Shazlirah Shazlyn and Sarijo, Siti Halimah and Zainal, Zulkarnain (2012) Synthesis of a monophasic nanohybrid for a controlled release formulation of two active agents simultaneously. Applied Clay Science, 58 (1). pp. 60-66. ISSN 0169-1317

Jubri, Zaemah and Hussein, Mohd. Zobir and Yahya, Asmah and Zainal, Zulkarnain (2012) The effect of substitution of zinc with aluminium in the brucite-like layers on the physicochemical properties of zinc-aluminium-layered double hydroxide-pamoate nanocomposite. Journal of Porous Materials, 19 (1). pp. 45-51. ISSN 1380-2224

Nazarudin, Muhammad Farhan and Zainal, Zulkarnain and Tan, Wee Tee and Hamadneh, Imad (Moh'd Khair) Rashid and Kadri, E. F. (2012) Abrasive stripping voltammetric (AbrSV) studies of ErBa2Cu3O7-δ superconductor synthesised via co-precipitation and solid state methods. International Journal of Electrochemical Science, 7 (4). pp. 2965-2982. ISSN 1452-3981

Hussein Al Ali, Samer Hasan and Al-Qubaisi, Mothanna and Hussein, Mohd Zobir and Ismail, Maznah and Zainal, Zulkarnain and Abdullah, Muhammad Nazrul Hakim (2012) Controlled release and angiotensin-converting enzyme inhibition properties of an antihypertensive drug based on a perindopril erbumine-layered double hydroxide nanocomposite. International Journal of Nanomedicine, 7 (1). pp. 2129-2141. ISSN 1176-9114; ESSN:1178-2013

Hussein, Mohd Zobir and Abdul Rahman, Nor Shazlirah Shazlyn and Sarijo, Siti Halimah and Zainal, Zulkarnain (2012) Herbicide-intercalated zinc layered hydroxide nanohybrid for a dual-guest controlled release formulation. International Journal of Molecular Sciences, 13 (6). pp. 7328-7342. ISSN 1661-6596; ESSN: 1422-0067

Al Ali, Samer Hasan Ahmad Hussein and Al-Qubaisi, Mothanna Sadiq Obaid and Hussein, Mohd Zobir and Ismail, Maznah and Zainal, Zulkarnain and Abdullah, Muhammad Nazrul Hakim (2012) In vitro inhibition of histamine release behavior of cetirizine intercalated into Zn/Al- and Mg/Al-layered double hydroxides. International Journal of Molecular Sciences, 13 (5). pp. 5899-5916. ISSN 1661-6596; ESSN: 1422-0067

Wahid, Mohd Haniff and Zainal, Zulkarnain and Hamadneh, Imad (Moh'd Khair) Rashid and Tan, Kar Ban and Shaari, Abdul Halim and Rosli, A. M. and Al Aghbari, Elyas Sadeq Sulaiman and Nazarudin, Muhammad Farhan and Kadri, E. F. (2012) Phase formation of REBa2Cu3O7−δ (RE: Y0.5Gd0.5, Y0.5Nd0.5, Nd0.5Gd0.5) superconductors from nanopowders synthesised via co-precipitation. Ceramics International, 38 (2). pp. 1187-1193. ISSN 0272-8842; ESSN: 1873-3956

Abdollahi, Yadollah and Abdullah, Abdul Halim and Gaya, Umar I. and Ahmadzadeh, Saeid and Zakaria, Azmi and Shameli, Kamyar and Zainal, Zulkarnain and Jahangirian, Hossein and Yusof, Nor Azah (2012) Photocatalytic degradation of 1,4-Benzoquinone in aqueous ZnO dispersions. Journal of the Brazilian Chemical Society, 23 (2). pp. 236-240. ISSN 0103-5053; ESSN: 1678-4790

Abdollahi, Yadollah and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2012) Photocatalytic degradation of p-Cresol by zinc oxide under UV irradiation. International Journal of Molecular Sciences, 13 (1). pp. 302-315. ISSN 1422-0067; ESSN:1422-0067

Abdollahi, Yadollah and Abdullah, Abdul Halim and I. Gaya, Umar and Ahmadzadeh, Saeid and Zakaria, Azmi and Shameli, Kamyar and Zainal, Zulkarnain and Jahangirian, Hossein and Yusof, Nor Azah (2012) Photocatalytic degradaton of 1,4-Benzoquinone in aqueous ZnO suspension. Journal of the Brazilian Chemical Society, 23 (2). pp. 236-240. ISSN 0103-5053; ESSN:1678-4790

Abdollahi , Yadollah and Abdullah, Abdul Halim and Zakaria, Azmi and Zainal, Zulkarnain and Fard Masoumi, Hamid Reza and Yusof, Nor Azah (2012) Photodegradation of p-cresol in aqueous Mn(1%) doped zinc oxide suspension. Journal of Advanced Oxidation Technologies, 15 (1). pp. 146-152. ISSN 1203-8407

Abdollahi, Yadollah and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2011) Photodegradation of p-cresol by zinc oxide under visible light. International Journal of Applied Science and Technology, 1 (5). pp. 99-105. ISSN 2221-0997; ESSN:2221-1004

Abdollahi, Yadollah and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2011) Photodegradation of m-cresol by zinc oxide under visible-light irradiation. International Journal of Chemistry, 3 (3). pp. 31-43. ISSN 1916-9752

Tan, Wee Tee and Nazarudin, Muhammad Farhan and Zainal, Zulkarnain and Hamadneh, Imad (2011) The effect of sintering temperature variation on the superconducting properties of ErBa2Cu3O7 superconductor prepared via coprecipitation method. Journal of Superconductivity and Novel Magnetism , 24 (5). pp. 1745-1750. ISSN 1557-1939; ESSN:1557-1947

Hussein, Mohd. Zobir and Latip, Suzanita and Sarijo, Siti Halimah and Zainal, Zulkarnain (2011) Surface properties transformation of multi-walled carbon nanotubes on reatment with various acids. Research Journal of Chemistry and Environment, 15 (2 ). pp. 438-444. ISSN 0972-0626

Mohammed Zidan, and Tan, Wee Tee and Abdullah, Abdul Halim and Zainal, Zulkarnain and Goh, Joo Kheng (2011) Electrochemical oxidation of paracetamol mediated by nanoparticles bismuth oxide modified glassy carbon electrode. International Journal of Electrochemical Science, 6 (2). pp. 279-288. ISSN 1452-3981

Hussein, Mohd Zobir and Abdullah, Muhammad Nazrul Hakim and Zainal, Zulkarnain and Hasan Al Ali, Samer (2011) Development of antiproliferative nanohybrid compound with controlled release property using ellagic acid as the active agent. International Journal of Nanomedicine, 6 (1). pp. 1373-1383. ISSN 1176-9114

Mohammed Zidan, and Tan, Wee Tee and Abdullah, Abdul Halim and Zainal, Zulkarnain and Goh, Joo Kheng (2011) Electrocatalytic oxidation of paracetamol mediated by lithium doped microparticles Bi2O3/MWCNT modified electrode. Asian Journal of Chemistry, 23 (7). pp. 3029-3032. ISSN 0970-7077

Mohammed Zidan, and Tan, Wee Tee and Abdullah, Abdul Halim and Zainal, Zulkarnain and Goh, Joo Kheng (2011) Electrochemical oxidation of ascorbic acid mediated by Bi2O3 microparticles modified glassy carbon electrode. International Journal of Electrochemical Science, 6 (2). pp. 289-300. ISSN 1452-3981

Ing, Yah Czeh and Zainal, Zulkarnain and Kassim, Anuar and Mat Yunus, Wan Mahmood (2011) Electrochemical preparation of Bilayer p-n junction of n-CdS / p-P3HT. International Journal of Electrochemical Science, 6 (1). pp. 2898-2904. ISSN 1452-3981

Yeo, May Ching and Tan, Wee Tee and Zainal, Zulkarnain (2011) Electrochemical studies of Mn(II) mediated by Li+ doped Indium Titanium Oxide (ITO) electrode. International Journal of Electrochemical Science, 6 (-). pp. 5305-5313. ISSN 1452-3981

Abdollahi, Yadollah and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2011) Enhanced photodegradation of o-cresol in aqueous Mn(1%)-doped ZnO suspensions. Environmental Technology. pp. 1-7. ISSN 1479-487X

Lim, Ying Chin and Zainal, Zulkarnain and Hussein, Zainal and Tan, Wee Tee (2011) Fabrication of highly ordered TiO2 Nanotubes from Fluoride containing Aqueous Electrolyte by Anodic Oxidation and their Photoelectrochemical response. Journal of Nanoscience and Nanotechnology, 11 (6). pp. 4900-4909. ISSN 1533-4880; ESSN:1533-4899

Hussein, Mohd. Zobir and Abdullah, Muhammad Nazrul Hakim and Zainal, Zulkarnain and Hasan Al Ali, Samer and Al-Qubaisi, Mothanna (2011) Hippurate-Zinc layered Hydroxide Nanohybrid and its synergistic effect with Tamoxifen on the HepG2 cell lines. International Journal of Nanomedicine, 6 (1). pp. 3099-3111. ISSN 1176-9114

Abdollahi, Yadollah and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2011) Photocatalytic Degradation of p-Cresol by Zinc Oxide under UV Irradiation. International Journal of Molecular Sciences, 13 (1). pp. 302-315. ISSN 1422-0067

Abdollahi, Yadollah and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2011) Photodegradation of m-cresol by Zinc Oxide under Visible-light Irradiation. International Journal of Chemistry, 3 (3). ISSN 1916-9698

Abdullah, Abdul Halim and Yusof, Nor Azah and Zainal, Zulkarnain and Abdollahi, Yadollah (2011) Photodegradation of o-cresol by zinc oxide under UV irradiation. Journal of American Science, 7 (8). pp. 165-170. ISSN 1545-1003

Abdollahi, Yadollah and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2011) Photodegradation of o-cresol by zinc oxide under visible light irradiation. International Journal of Advanced Engineering, Sciences and Technologies, 8 (2). pp. 135-144. ISSN 2230-7818

Chon, Mun Ping and Tan, Kar Ban and Khaw, Chwin Chieh and Zainal, Zulkarnain and Yap, Taufiq Yun Hin (2011) Preparation and characterization of new Bi1.5-xCuNb1.5+xO7+x pyrochlores. Solid State Science and Technology, 19 (1). pp. 175-189. ISSN 0128-7389

Tan, P. Y. and Tan, Kar Ban and Khaw, C. C and Zainal, Zulkarnain and Chen, Soo Kien (2011) Synthesis and characterization of Bi3Mg2Nb3O14 pyrochlore system. Solid State Science and Technology, 19 (2). pp. 221-231. ISSN 0128-7389

Abdollahi, Yadollahi and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2011) Synthesis and characterization of Manganese doped ZnO nanoparticles. International Journal of Basic and Applied Sciences, 11 (4). pp. 62-69.

Abdollahi, Yadollah and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2011) Synthesis and characterization of manganese doped ZnO nanoparticles. International Journal of Basic and Applied Sciences, 11 (4). pp. 62-69. ISSN 2077-1223

Lee , Ek Giat and Abdullah, Abdul Halim and Zainal , Zulkarnain and Hussein, Mohd. Zobir (2011) Synthesis and characterization of zinc oxide nanoparticles. Solid State Science and Technology, 19 (2). pp. 348-353. ISSN 0128-7389

Ong, Poh Shing and Tan, Yen Ping and Yap, Taufiq Yun Hin and Zainal, Zulkarnain (2011) Synthesis and ionic conductivity of mechanically synthesized yttrium-doped ceria solid solutions. Journal of Applied Sciences, 11 (8). pp. 1285-1290. ISSN 1812-5654; ESSN: 1812-5662

Hussein, Mohd Zobir and Hashim, Norhayati and Yahya, Asmah and Zainal, Zulkarnain (2011) Synthesis of dichlorprop-Zn/Al-hydrotalcite nanohybrid and its controlled release property. Sains Malaysiana, 40 (8). pp. 887-896. ISSN 0026-6039

Mohammed Zidan, and Tan, Wee Tee and Abdullah, Abdul Halim and Zainal, Zulkarnain and Goh, Joo Kheng (2010) Electrochemical oxidation of paracetamol mediated by zinc oxide modified glassy carbon electrode. Australian Journal of Basic and Applied Sciences, 4 (12). pp. 6025-6030. ISSN 1991-8178

Gaya, Umar Ibrahim and Abdullah, Abdul Halim and Hussein, Mohd. Zobir and Zainal, Zulkarnain (2010) Photocatalytic removal of 2,4,6-trichlorophenol from water exploiting commercial ZnO powder. Desalination, 263 (1-3). pp. 176-182. ISSN 0011-9164

Sarijo, Siti Halimah and Hussein, Mohd. Zobir and Yahya, Asmah and Zainal, Zulkarnain (2010) Effect of incoming and outgoing exchangeable anions on the release kinetics of phenoxyherbicides nanohybrids. Journal of Hazardous Materials, 182 (1-3). pp. 563-569. ISSN 0304-3894; ESSN: 1873-3336

Sarijo, Siti Halimah and Hussein, Mohd. Zobir and Zainal, Zulkarnain (2010) Hybridisation of chlorophenoxyherbicides with layered double hydroxide for the formation of layered organic-inorganic encapsulated agrochemical nanocomposites. International Journal of Nanoparticles, 3 (3). pp. 229-236. ISSN 1753-2507

Hussein, Mohd. Zobir and Hashim, Norhayati and Yahya, Asmah and Zainal, Zulkarnain (2010) Synthesis and characterization of [4-(2,4-dichlorophenoxybutyrate)-zinc layered hydroxide] nanohybrid. Solid State Sciences, 12 (5). pp. 770-775. ISSN 1293-2558

Ibrahim Gaya, Umar and Abdullah, Abdul Halim and Zainal, Zulkarnain and Hussein, Mohd. Zobir (2010) Photocatalytic degradation of 2,4-dichlorophenol in irradiated aqueous ZnO suspension. International Journal of Chemistry, 2 (1 ). pp. 180-193. ISSN 1916-9698

Afif, Syazwan and Zainal, Zulkarnain and Hussein, Mohd Zobir (2010) The Effect of Polyvinyl Alcohol Addition on the Physico-Chemical Properties of ZnO Synthesised by Ethylene Glycol-Hydrothermal Method. Materials Chemistry and Physics, 124 (1). pp. 477-481. ISSN 0254-0584

Tan, Wee Tee and Zidan, Mohammed and Zainal, Zulkarnain and Abdullah, Abdul Halim and Goh, Joo Kheng (2010) Electrocatalytic oxidation of ascorbic acid mediated by ZnO microcrystalline modified glassy carbon electrode. Oriental Journal of Chemistry, 26 (1). pp. 45-52. ISSN 0970-020X

Zidan, Mohammed and Tan, Wee Tee and Zainal, Zulkarnain and Abdullah, Abdul Halim and Goh, Joo Kheng (2010) Electrocatalytic oxidation of ascorbic acid mediated by lithium doped microparticles Bi2O3/MWCNT modified glassy carbon electrode. International Journal of Electrochemical Science, 5 (4). pp. 501-508. ISSN 1452-3981

Hussein, Mohd. Zobir and Mohamad Jaafar, Adila and Yahya, Asmah and Zainal , Zulkarnain (2010) Inorganic-based phytohormone delivery vector of 2-chloroethylphosphonate nanohybrid, a new stimulating compound with controlled release property to increase latex production. Journal of Experimental Nanoscience, 5 (4). pp. 310-318. ISSN 1745-8080

Ebrahimiasl, Saeideh and Wan Yunus, Wan Md. Zin and Kassim, Anuar and Zainal, Zulkarnain (2010) Prediction of grain size, thickness and absorbance of nanocrystalline tin oxide thin film by Taguchi robust design. Solid State Sciences, 12 (8). pp. 1323-1327. ISSN 1293-2558

Teo, Sook Liang and Zainal, Zulkarnain and Tan, Wee Tee and Hussein, Mohd. Zobir (2010) Pulse electrodeposition and solid phase voltammetry of copper indium disulfide semiconductor thin films. Solid State Science and Technology, 18 (2). pp. 74-83. ISSN 0128-7389

Tan, Kar Ban and Khaw, Chwin Chieh and Lee, Chnoong Kheng and Zainal, Zulkarnain and Chen, Soo Kien and Lim, Kean Pah (2010) A Rietveld refinement approach in structural study of bismuth zinc niobate cubic pyrochlores. Solid State Science and Technology, 18 (1). pp. 129-141. ISSN 0128-7389

Tan, Kar Ban and Khaw, Chwin Chieh and Lee, Chnoong Kheng and Zainal, Zulkarnain and Miles, Gabrielle (2010) Structures and solid solution mechanisms of pyrochlore phases in the systems Bi2O3-ZnO-(Nb, Ta)2O5. Journal of Alloys and Compounds, 508 (2). pp. 457-462. ISSN 0925-8388

Sarijo, Siti Halimah and Hussein, Mohd Zobir and Yahya, Asmah and Zainal, Zulkarnain and Yarmo, Mohd Ambar (2010) Synthesis of phenoxyherbicides-intercalated layered double hydroxide nanohybrids and their controlled release property. Current Nanoscience, 6 (2). pp. 199-205. ISSN 1573-4137

Kadri, E. F. and Tan, Wee Tee and Zainal, Zulkarnain and Hamadneh, Imad (Moh'd Khair) Rashid (2010) Voltammetric Studies of DyBa2Cu3O7-δ (DyBCO) prepared via solid-state(SS) and co-precipitation (COP) technique. Solid State Science and Technology, 18 (1). pp. 77-90. ISSN 0128-7389

Ying, Josephine Chyi Liew and Talib, Zainal Abidin and Mat Yunus, Wan Mahmood and Zainal, Zulkarnain and Shaari, Abdul Halim and Abd. Moksin, Mohd Maarof and Wan Yusoff, Wan Mohd Daud and Lim, Kean Pah (2009) Structural, morphology and electrical properties of layered copper selenide thin film. Central European Journal of Physics, 7 (2). pp. 379-384. ISSN 1895-1082

Zainal, Zulkarnain and Lee, Kong Hui and Hussein, Mohd Zobir and Abdullah, Abdul Halim and Hamadneh, Imad (Moh'd Khair) Rashid (2009) Characterization of TiO2-chitosan/glass photocatalyst for the removal of a monoazo dye via photodegradation-adsorption process. Journal of Hazardous Materials, 164 (1). pp. 138-145. ISSN 0304-3894; ESSN: 1873-3336

Tan, Wee Tee and Yusri, Farhan and Zainal, Zulkarnain (2009) Electrochemical reduction of potassium ferricyanide mediated by magnesium diboride modified carbon electrode. Sensors & Transducers Journal, 104 (5). pp. 119-127. ISSN 2306-8515; ESSN: 1726- 5479

Talib, Zainal Abidin and Liew, Josephine Ying Chyi and Zainal, Zulkarnain and Mat Yunus, Wan Mahmood and Lim, Kean Pah and Wan Yusoff, Wan Mohamad Daud and Abd. Moksin, Mohd Maarof (2009) Electrical conductivity studies in polycrystalline (CuSe)1-xSex. Pertanika Journal of Science & Technology, 17 (1). pp. 125-129. ISSN 0128-7680; ESSN: 2231-8526

Hussein, Mohd Zobir and Hashim, Norhayati and Yahya, Asmah and Zainal, Zulkarnain (2009) Controlled release formulation of agrochemical pesticide based on 4-(2,4-dichlorophenoxy)butyrate nanohybrid. Journal of Nanoscience and Nanotechnology, 9 (3). pp. 2140-2147. ISSN 1533-4880; ESSN: 1533-4899

Yap, Taufiq Yun Hin and Wong, Yee Ching and Zainal, Zulkarnain and Hussein, Mohd Zobir (2009) Effect of mechanochemical treatment on VOPO4.2H2O to produce vanadyl pyrophospate catalysts. Journal of Nuclear and Related Technologies, 6 (spec.1). pp. 1-10. ISSN 1823-0180

Keshavarzi, Ashkan and Abdullah, Abdul Halim and Zainal, Zulkarnain (2009) Low-temperature synthesis of ZnO by wet chemical method. International Journal of Material Science, 4 (2). pp. 163-168. ISSN 2226-4531; ESSN: 2226-4523

Tan, Kar Ban and Khaw, C.C. and Lee, C.K. and Zainal, Zulkarnain and Shaari, H. (2009) Phase formation and dielectric properties of pentavalent cation doped non-stoichiometric Bismuth Zinc Niobate (BZN) cubic pyrochlore. Sains Malaysiana, 38 (2). pp. 219-226. ISSN 0126-6039

Gaya, Umar Ibrahim and Abdullah, Abdul Halim and Zainal, Zulkarnain and Hussein, Mohd. Zobir (2009) Photocatalytic treatment of 4-chlorophenol in aqueous ZnO suspensions : intermediates, influence of dosage and inorganic anions. Journal of Hazardous Materials, 168 (1). pp. 57-63. ISSN 0304-3894

Lim, Ying Chin and Zainal, Zulkarnain and Hussein, Mohd Zobir and Tan, Wee Tee (2009) Preparation and characterization of nanostructured TiO2 via electrochemical anodization in aqueous ammonium fluoride. Malaysian Journal of Chemistry, 11 (1). pp. 129-135. ISSN 1511-2292

Khaw, Chwin Chieh and Tan, Kar Ban and Zainal, Zulkarnain and Lee, Chnoong Kheng (2009) Synthesis and characterisation of cubic Bi3Zn2Ta3O14 and its related divalent-doped pyrochlore materials. Sains Malaysiana, 38 (3). pp. 387-393. ISSN 0126-6039

Yap, Taufiq Yun Hin and Wong, Yee Ching and Zainal, Zulkarnain and Hussein, Mohd Zobir (2009) Synthesis of self-assembled nanorod vanadium oxide bundles by sonochemical treatment. Journal of Natural Gas Chemistry, 18 (3). pp. 312-318. ISSN 1003-9953

Ong, Siew Teng and Lee, Chnoong Kheng and Zainal, Zulkarnain (2009) A comparison of sorption and photodegradation study in the removal of basic and reactive dyes. Australian Journal of Basic and Applied Sciences, 3 (4). pp. 3408-3416. ISSN 1991-8178

Hussein, Mohd Zobir and Muhammad Jaafar, Adilah and Yahya, Asmah and Zainal, Zulkarnain (2009) The effect of single, binary and ternary anions of chloride, carbonate and phosphate on the release of 2,4-dichlorophenoxyacetate intercalated into the Zn-Al-layered double hydroxide nanohybrid. Nanoscale Research Letters, 4 (11). pp. 1351-1357. ISSN 1931-7573

Tan, Kar Ban and Lee, Chnoong Kheng and Zainal, Zulkarnain and Khaw, Chwin Chieh and Tan, Yen Ping and Shaari, H. (2008) Reaction study and phase formation in Bi2O3-ZnO-Nb2O5 ternary system. Pacific Journal of Science and Technology, 9 (2). pp. 468-479. ISSN 1551-7624

Lee, C. K. and Ong, S. T. and Zainal, Zulkarnain (2008) Ethylenediamine modified rice hull as a sorbent for the removal of Basic Blue 3 and Reactive Orange 16. International Journal of Environment and Pollution (IJEP), 34 (1-4). pp. 246-260. ISSN 0957-4352

Isha, Azizul and Yusof, Nor Azah and Ahmad, Musa and Dedy, Suhendra and Wan Yunus, Wan Md Zin and Zainal, Zulkarnain (2008) Optical fibre chemical sensor for trace vanadium(V) determination based on newly synthesized palm based fatty hydroxamic acid immobilized in polyvinyl chloride membrane. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 67 (5). pp. 1398-1402. ISSN 0584-8539

Liew, Josephine Ying Chyi and Talib, Zainal Abidin and Mat Yunus, Wan Mahmood and Zainal, Zulkarnain and Shaari, Abdul Halim and Lim, Kean Pah and Abd. Moksin, Mohd Maarof and Wan Yusoff, Wan Mohamad Daud (2008) Photoacoustic characterization of CuSe metal chalcogenide semiconductor using phase signal analysis. Jurnal Fizik Malaysia, 29 (3&4). pp. 77-80. ISSN 0128-0333

Teo, Sook Liang and Zainal, Zulkarnain and Tan, Wee Tee and Imad, Hamadneh (2008) Potentiostatic deposition of copper indium disulfide thin films: effect of cathodic potential on optical and photoelectrochemical properties. The Malaysian Journal of Analytical Sciences, 12 (3). pp. 600-608. ISSN 1394-2506

Anuar, Kassim and Zainal, Zulkarnain and Nagalingam, Saravanan and N., Asikin (2008) Preparation of Zinc-Sulfide Thin Films in the Presence of Sodium Tartrate as a complexing agent. Materials Science, 44 (2). pp. 290-293.

Chang, Sook Ken and Zainal, Zulkarnain and Abdullah, Abdul Halim (2008) Removal of cationic and anionic dyes by immobilised titanium dioxide loaded activated carbon. The Malaysian Journal of Analytical Sciences, 12 (2). pp. 451-457. ISSN 1394-2506

Talib, Zainal Abidin and Liew, Josephine Ying Chyi and Mat Yunus, Wan Mahmood and Zainal, Zulkarnain and Shaari, Abdul Halim and Abd. Moksin, Mohd Maarof and Lim, Kean Pah and Wan Yusoff, Wan Mohamad Daud (2008) Structural and electrical conductivity studies of polycrystalline copper selenide at low temperature. Solid State Science and Technology, 16 (1). pp. 147-152. ISSN 0128-7389

Tan, Kar Ban and F. G., Anna and Zainal, Zulkarnain (2008) Synthesis and characterization of bismuth tantalate binary materials for potential application in multilayer ceramic capacitors (MLCC). Journal of Physical Science, 19 (1). pp. 53-62. ISSN 1675-3402; ESSN: 2180-4230

Ong, Siew Teng and Lee, Chnoong Kheng and Zainal, Zulkarnain (2007) Removal of basic and reactive dyes using ethylenediamine modified rice hull. Bioresource Technology, 98 (15). pp. 2792-2799. ISSN 0960-8524; ESSN: 1873-2976

Isha, Azizul and Yusof, Nor Azah and Ahmad, Musa and Suhendra, Dedy and Wan Yunus, Wan Md. Zin and Zainal, Zulkarnain (2007) Extending the range of an optical vanadium (V) sensor based on immobilized fatty hydroxamic acid in poly (methyl methacrylate) using artificial neural network. Pertanika Journal of Science & Technology, 15 (2). pp. 121-130. ISSN 0128-7680; ESSN: 2231-8526

Zainal, Zulkarnain and Hussein, Mohd Zobir and Kassim, Anuar and Yusof, Nor Azah and Chong, Yong Lee (2007) Electrochemical-assisted photodegradation of mixed dye and textile effluents using TiO2 thin films. Journal of Hazardous Materials, 146 (1-2). pp. 73-80. ISSN 0304-3894

Isha, Azizul and Yusof, Nor Azah and Ahmad, Musa and Suhendra, Dedy and Wan Yunus, Wan Md Zin and Zainal, Zulkarnain (2007) Extending the range of an Optical Vanadium (V) Sensor Based on Immobilized Fatty Hydroxamic Acid in Poly (methyl Methacrylate) using Artifical Neural Network. Pertanika Journal of Science & Technology, 15 (2). pp. 121-130. ISSN 0128-7680

Hashim, Norhayati and Hussein, Mohd Zobir and Yahaya, Asmah and Zainal, Zulkarnain (2007) Formation of zinc aluminium layered double hydroxides: 4-(2,4-dichlorophenoxy) butyrate nanocomposites by direct and indirect methods. The Malaysian Journal of Analytical Sciences, 11 (1). pp. 1-7. ISSN 1394-2506

Haron, Md Jelas and Masdan, Saiful Adli and Hussein, Mohd Zobir and Zainal, Zulkarnain and Kassim, Anuar (2007) Kinetics and thermodynamic for sorption of arsenate by lanthanum-exchanged zeolite. The Malaysian Journal of Analytical Sciences, 15 (1). pp. 219-228. ISSN 1394-2506

Jubri @ Mohd Zufri, Zaemah and Hussein, Mohd Zobir and Yahaya, Asmah and Zainal, Zulkarnain (2007) Synthesis of Zinc-Aluminium-Pamoate Nanocomposite using Direct Co-Precipitation and Ion-Exchange Methods. The Malaysian Journal of Analytical Sciences, 11 (1). pp. 48-56. ISSN 1394-2506

Hussein, Mohd Zobir and Sarijo, Siti Halimah and Yahaya, Asmah and Zainal, Zulkarnain (2007) The effect of pH on the formation of host-guest type material: zinc-aluminium-layered double hydroxide-4-chlorophenoxy acetate nanocomposite. Physica Status Solidi C, 4 (2). pp. 611-613. ISSN 1610-1634

Tan, Kar Ban and Lee, C. K. and Zainal, Zulkarnain and Miles, Gabrielle C. and West, Anthony Roy (2005) Stoichiometry and doping mechanism of the cubic pyrochlore phase in the system Bi2O3–ZnO–Nb2O5. Journal of Materials Chemistry, 15 (34). pp. 3501-3506. ISSN 0959-9428; ESSN: 1364-5501

Hussein, Mohd Zobir and Zainal, Zulkarnain and Yahaya, Asmah and Wong, Dickens Vui Foo (2002) Controlled release of a plant growth regulator, α-naphthaleneacetate from the lamella of Zn–Al-layered double hydroxide nanocomposite. Journal of Controlled Release, 82 (2-3). pp. 417-427. ISSN 0168-3659; ESSN: 1873-4995

Ghazali, Arniza and Zainal, Zulkarnain and Hussein, Mohd Zobir and Kassim, Anuar (1998) Cathodic electrodeposition of SnS in the presence of EDTA in aqueous media. Solar Energy Materials and Solar Cells, 55 (3). pp. 237-249. ISSN 0927-0248

Zainal, Zulkarnain and Hussein, Mohd Zobir and Kassim, Anuar and Ghazali, Arniza (1997) Electrodeposited SnS thin films from aqueous solution. Journal of Materials Science Letters, 16 (17). pp. 1446-1449. ISSN 0261-8028; ESSN: 1573-4811

Zainal, Zulkarnain and Hussein, Mohd Zobir and Ghazali, Arniza (1996) Cathodic electrodeposition of SnS thin films from aqueous solution. Solar Energy Materials and Solar Cells, 40 (4). pp. 347-357. ISSN 0927-0248

Hussien, Mohd Zobir and Zainal, Zulkarnain and Ibrahim, Ramli and Hii, Hiong Swee (1996) Hidroksida Berlapis Ganda ZnCrCI: Kesan Haba Terhadap Luas Perm.ukaan dan Keliangan. Pertanika Journal of Science & Technology, 4 (1). pp. 31-39. ISSN 0128-7680

Zainal, Zulkarnain and Hussein, Mohd Zobir and Abdul Rashid, Khanisah (1995) Kitar voltametri pengelektroenapan timah dan timah sulfida di atas titanium dalam larutan akueous. Pertanika Journal of Science & Technology, 3 (1). pp. 115-121. ISSN 0128-7680

Zainal, Zulkarnain and Hussein, Mohd Zobir and Ismail, Md Nor and Badri, M. (1994) Kajian kekonduksian terhadap karbon teraktif daripada kayu bakau (Rhizophora apiculata). Pertanika Journal of Science & Technology, 2 (2). pp. 207-214. ISSN 0128-7680

Hussien, Mohd Zobir and Zainal, Zulkarnain and Lau, Ai Ai and Badri, M. (1994) Penggunaan Garam-Garam Kalium sebagai Agen Pengaktifan Kimia bagi Penyediaan Karbon Teraktif daripada Serepai Batang Kelapa Sawit. Pertanika Journal of Science & Technology, 2 (2). pp. 137-148. ISSN 0128-7680

Conference or Workshop Item

Sarif @ Mohd Ali, Mahanim and Zainal, Zulkarnain and Hussein, Mohd Zobir and Wahid, Mohd Haniff (2018) Mesoporous carbon film via spin coating soft templating method for supercapacitor electrode. In: 2nd International Symposium on Advanced Materials and Nanotechnology (i-SAMN 2018), 15-16 Aug. 2018, The Everly Putrajaya, Malaysia. (pp. 46-47).

Nicholas, Ahmad Fariz and Hussein, Mohd Zobir and Zainal, Zulkarnain and Khadiran, Tumirah (2018) Shape-stabilized phase change material preparation for thermal energy storage application. In: 2nd International Symposium on Advanced Materials and Nanotechnology (i-SAMN 2018), 15-16 Aug. 2018, The Everly Putrajaya, Malaysia. (pp. 64-65).

Zainal, Zulkarnain and Samsudin, Nurul Asma and Lim, Hong Ngee and Sulaiman, Yusran and Chang, Sook Keng (2017) Capacitive enhancement of reduced titania nanotubes by reversed pulse electrodeposited Mn2O3 and Co3O4. In: 5th International Symposium on Applied Engineering and Sciences (SAES2017), 14-15 Nov. 2017, Universiti Putra Malaysia. (p. 23).

Mohd Fudzi, Laimy and Zainal, Zulkarnain and Lim, Hong Ngee (2017) Hydrothermal growth of ZnO nanorods for photoelectrochemical cell: effect of growth time and temperature. In: 5th International Symposium on Applied Engineering and Sciences (SAES2017), 14-15 Nov. 2017, Universiti Putra Malaysia. (p. 26).

Chua, Chi Wing and Zainal, Zulkarnain and Lim, Hong Ngee (2017) Performance of nickel cobaltite - anodised titania nanotubes composite electrochemical capacitor electrodes in different electrolytes. In: 5th International Symposium on Applied Engineering and Sciences (SAES2017), 14-15 Nov. 2017, Universiti Putra Malaysia. (p. 18).

Sarif @ Mohd Ali, Mahanim and Zainal, Zulkarnain and Hussein, Mohd Zobir and Wahid, Mohd Haniff (2017) Preparation of RF/Brij 58 mesoporous carbon film as supercapacitor electrode. In: 5th International Symposium on Applied Engineering and Sciences (SAES2017), 14-15 Nov. 2017, Universiti Putra Malaysia. (p. 22).

Ghamarian, Nima and Mohamed Ariff, Azmah Hanim and Nahavandi, Mahdi and Zainal, Zulkarnain and Lim, Janet Hong Ngee (2015) Application of artificial neural network for optimization the wet contact angle for lead free Bi-Ag soldering alloys. In: INTROP Research Colloquim 2015, 1-2 Dec. 2015, RHR Hotel, Uniten, Putrajaya. .

Barahuie, Farahnaz and Hussein, Mohd Zobir and Abd Gani, Shafinaz and Fakurazi, Sharida and Zainal, Zulkarnain (2014) Protocatechuic acid-zinc/aluminium layered double hydroxide nanocomposite as an anticancer nanodelivery system. In: Scientific Cancer Research Poster Competition in conjunction with Cancer Awareness Carnival 2014, 10 May 2014, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia. .

Ibrahim, Mohd Lokman and Rashid, Umer and Zainal, Zulkarnain and Yap, Taufiq Yun Hin (2014) Synthesis of glucose-derived solid acid catalyst for production of biodiesel from palm fatty acid distillate. In: 7th Jordan International Chemical Engineering (JICHE07), 4-6 Nov. 2014, Amman, Jordan. (pp. 1-8). (Unpublished)

Jumeri, F. A. and Lim, Hong Ngee and Zainal, Zulkarnain and Huang, Nay Ming and Pandikumar, Alagarsamy (2014) Titanium dioxide-reduced graphene oxide thin film for photoelectrochemical water splitting. In: TOCAT7, 1-6 June 2014, Kyoto, Japan. (pp. 1-7).

Sabli, Nordin and Talib, Zainal Abidin and Mat Yunus, Wan Mahmood and Zainal, Zulkarnain and Hilal, Hikmat S. and Fujii, Masatoshi (2013) Effect of argon gas flow rate on properties of film electrodes prepared by thermal vacuum evaporation from synthesized Cu2SnSe3 source. In: 4th International Meeting on Frontiers in Physics (IMFP 2013), 27-30 Aug. 2013, Kuala Lumpur, Malaysia. (pp. 261-264).

Hussein, Mohd. Zobir and Barahuie, Farahnaz and Zainal, Zulkarnain and Arulselvan, Palanisamy and Fakurazi, Sharida (2013) In vitro controlled release of an anticancer drug, chlorogenic acid using magnesium/aluminium layered double hydroxide as nanomatrix. In: 2013 International Conference on Engineering and Applied Science (ICEAS 2013) , 7 - 9 Nov 2013, Osaka, Japan. .

Hussein, Mohd Zobir and Al-Ali , Samer Hasan and Zainal, Zulkarnain and Abdullah, Muhammad Nazrul Hakim (2012) Perindopril erbumine-layered double hydroxide nanocomposite as a controlled release formulation of an anti hypertensive drug. In: International Conference and Workshop on Nanostructured Ceramics and other Nanomaterials, 13-16 Mar. 2012, New Delhi, India. .

Hussein, Mohd Zobir and Zakarya, Salwani Asyikin and Zainal, Zulkarnain and Sarijo, Siti Halimah (2010) Cockle (Anadara granosa) shells as substrate for the synthesis of carbon nanotubes. In: 2010 International Conference on Enabling Science and Nanotechnology (ESciNano 2010), 1-3 Dec. 2010, Kuala Lumpur Convention Centre, Kuala Lumpur. .

Mohd Zobir, Syazwan Afif and Abu Bakar, Suriani and Khusaimi, Zuraida and Mamat, Mohamad Hafiz and Zainal, Zulkarnain and Sarijo, Siti Halimah and Mahmood, Mohamad Rusop (2010) Palm oil as the carbon source for the synthesis of carbon nanotubes using floating catalyst - chemical vapour deposition method. In: Malaysia Annual Physics Conference 2010 (PERFIK‐2010), 27-30 Oct. 2010, Damai Laut, Perak, Malaysia. (pp. 180-182).

Mohd Zobir, Syazwan Afif and Zainal, Zulkarnain and Sarijo, Siti Halimah and Mahmood, Mohamad Rusop (2010) Properties of amorphous carbon microspheres synthesised by palm oil-CVD method. In: Malaysia Annual Physics Conference 2010 (PERFIK‐2010), 27-30 Oct. 2010, Damai Laut, Perak, Malaysia. (pp. 177-179).

Zainal, Zulkarnain and Yuen, Mei Lian and Abdullah, Abdul Halim (2009) Adsorption of cationic dye by modified oil palm shell. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 337-338).

Manshor, Azlini and Tan, Kar Ban and Tan, Yen Ping and Zainal, Zulkarnain (2009) Doping mechanism and dielectric properties of bismuth tantalates. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 203-204).

Alaghbari, Elyas Sadeq and Zainal, Zulkarnain and Hamadneh, Imad (2009) Effect of doping Ca at different sites of ErBa₂Cu₃0H₇-δ superconductor ceramic prepared via coprecipitation. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 209-210).

Manickam, Mageswary and Zainal, Zulkarnain and Abdullah, Abdul Halim (2009) Effect of operational parameters on the removal of rhodamine 6G and naphtol blue black using FBF/Ti0₂. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 237-238).

Zidan, Mohammed and Tan, Wee Tee and Zainal, Zulkarnain and Abdullah, Abdul Halim and Goh, Joo Kheng (2009) Electrochemical oxidation of ascorbic acid mediated by Bi₂0₃ nanoparticles modified glassy carbon electrode. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 253-254).

Tan, Wee Tee and Yusri, Mohd Farhan and Yaw, Chong Wey and Zainal, Zulkarnain and Chen, Soo Kien (2009) Electrochemical oxidation of ascorbic acid mediated by lithium doped magnesium diboride modified electrode. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 255-256).

Zainal, Zulkarnain (2009) Electrodeposition of metal chalcogenide thin films. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 343-344).

Hussein, Mohd Zobir and Zainal, Zulkarnain and Rahmani, Mawardi and Bashi, Abbas M. (2009) Formation of biphasic zinc-aluminium-layered double hydroxide nanohybrid or simultaneous controlled release of 2, 4-dichlorophenoxy acetate and 4-chlorophenoxy acetate. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 165-266).

Sook, Liang Teo and Zainal, Zulkarnain and Hussein, Mohd Zobir and Wee, Tee Tan (2009) Optical and photoelectrochemical properties of pulse electrodeposited copper indium disulfide semiconductor thin films. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 317-318).

Abdollahi, Yadollah and Abdullah, Abdul Halim and Zainal, Zulkarnain and Yusof, Nor Azah (2009) Photodegradation aquatic m-cresol by ZnO under UV and visible light irradiation. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 331-332).

Yah, Chzeh Ing and Zainal, Zulkarnain and Kassim, Anuar and Mat Yunus, Wan Mahmood (2009) Potentiostatic electrodeposition of CdS thin films. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 333-334).

Wan Yunus, Wan Md. Zin and Ebrahimiasl, Saeideh and Kassim, Anuar and Zainal, Zulkarnain (2009) Preparation and characterization of nanocrystalline SnΟ₂thin film by chemical bath deposition for solar cell application. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 299-300).

Kadri, Erina Farhani and Tan, Wee Tee and Zainal, Zulkarnain and Hamadneh, Imad (2009) Synthesis and electrochemical studies of a superconductor, DyBa₂Cu₃0₇-δ. In: Fundamental Sciance Congress 2009 (FSC 2009), 17-18 June 2009, Auditorium Jurutera, Fakulti Kejuruteraan, Universiti Putra Malaysia. (pp. 213-214).

Sarijo, Siti Halimah and Hussein, Mohd Zobir and Zainal, Zulkarnain and Yahaya, Asmah (2008) The effect of zinc to aluminium molar ratio on the formation of zinc-aluminium-4-chlorophenoxyacetate nanocomposite. In: International Conference on Nanoscience and Nanotechnology (NANO-SciTech 2008), 18-21 Nov. 2008, Shah Alam, Selangor. (pp. 449-453).

Liew, Josephine Ying Chyi and Talib, Zainal Abidin and Mat Yunus, Wan Mahmood and Zainal, Zulkarnain and Abd. Moksin, Mohd Maarof and Lim, Kean Pah and Wan Yusoff, Wan Mohamad Daud (2006) Structural and thermal diffusivity studies of polycrystalline (CuSe)1-xSex metal chalcogenide compound. In: 2nd International Conference on Solid State Science and Technology 2006 (ICSSST 2006), 4-6 Sept. 2006, Kuala Terengganu, Terengganu. (pp. 243-247).

Zainal, Zulkarnain and Lee, Kong Hui and Hussein, Mohd Zobir and Abdullah, Abdul Halim and Hamadneh, Imad (Moh'd Khair) Rashid (2005) Characterization of newly prepared TiO2-chitosan/glass for the removal of a monoazo dye via the combination effect of photodegradation-adsorption. In: International Advanced Technology Congress: Conference on Advanced Materials (CAM 2005), 6-8 Dec. 2005, Putrajaya, Malaysia. (pp. 106-118).

Yahaya, Asmah and Hussein, Mohd Zobir and Zainal, Zulkarnain and Mohamad Jaafar, Adila (2005) Syntheses and properties of 2,4- dichlorophenoxyacetate-layered double hydroxide-nanocomposites at different molar ratio of Mg-Al by co-precipitation method. In: International Advanced Technology Congress: Conference on Advanced Materials (CAM 2005), 6-8 Dec. 2005, Putrajaya, Malaysia. (pp. 320-330).

Yahaya, Asmah and Hussein, Mohd Zobir and Zainal, Zulkarnain and Mamat, Mazidah (2005) Synthesis and properties of zinc-aluminium-acetylsalicylate-nanocomposite. In: International Advanced Technology Congress: Conference on Advanced Materials (CAM 2005), 6-8 Dec. 2005, Putrajaya, Malaysia. (pp. 331-339).

Hussein, Mohd. Zobir and Lim, Sheau Wen and Yahaya, Asmah and Zainal, Zulkarnain (2005) Synthesis of organic-inorganic hybrid nanocomposite material: toluene-4-sulfonate in the lamella of zinc-aluminium-layered double hydroxide. In: International Advanced Technology Congress: Conference on Advanced Materials (CAM 2005), 6 - 8 Dec. 2005, Putrajaya, Malaysia. (pp. 313-319).

Hussein, Mohd Zobir and Zainal, Zulkarnain and Yahaya, Asmah and Sarijo, Siti Halimah (2005) The effect of zinc to aluminium ratio and concentration of the anion on the formation of zinc-aluminium-4-chlorophenoxy acetate nanocomposite. In: International Advanced Technology Congress: Conference on Advanced Materials (CAM 2005), 6-8 Dec. 2005, Putrajaya, Malaysia. (pp. 302-312).

Hussein, Mohd Zobir and Yahaya, Asmah and Zainal, Zulkarnain and Jubri, Zaemah (2005) The effect of zinc to aluminium ratio on the properties of zinc-aluminium layered double hydroxide pamoate nanocomposite. In: International Advanced Technology Congress: Conference on Advanced Materials (CAM 2005), 6 - 8 Dec. 2005, Putrajaya, Malaysia. (pp. 529-538).

Muhammad, Badri and Badri, Karen and Hussein, Mohd Zobir and Zainal, Zulkarnain and W. Yunus, W. M. Daud and Ibrahim, Ramli (1991) Penyediaan dan pencirian karbon aktif. In: Seminar Kebangsaan Menilai Pencapaian Penyelidikan IRPA Dalam Rancangan Malaysia ke-5 Sektor Perindustrian, 20-24 Dis. 1991, Universiti Utara Malaysia, Kedah. .

Monograph

Tan, Wee Tee and Shaari, Abdul Halim and Zainal, Zulkarnain (2002) Electrochemical studies of some organic conducting/super conducting materials. Research Report. Research Management Centre, Serdang, Selangor.

Zainal, Zulkarnain and Hussein, Mohd Zobir and Kassim, Anuar (1999) Electrochemical synthesis and characterisations of metal chalcogenide thin films. Research Report. The Research Unit, Universiti Putra Malaysia, Serdang, Selangor.

Ibrahim, Ramli and Zainal, Zulkarnain and Hussein, Mohd Zobir and Assim, Zaini and Ahmad, Sharizan (1999) Preparation, characterisation and application of activated carbon from industrial by-product. Research Report. The Research Unit, Universiti Putra Malaysia, Serdang, Selangor.

Hussein, Mohd Zobir and Zainal, Zulkarnain and Ibrahim, Ramli and Nadarajah, Sivajothi and Min, S. C. and Sing, J. W. Y. and Beng, T. C. (1999) Synthesis, characteristics and application of composite materials. Research Report. The Research Unit, Universiti Putra Malaysia, Serdang, Selangor.

Patent

Tan Kar Ban (2012) Dielectric pyrochlores in bismuth magnesium tantalate ternary system. PI2012003059.

Wan Md. Zin Wan Yunus (2011) A method for depositing tin oxide film. PI2011001802.

Zulkarnain Zainal (2009) Metal chalcogenide thin films. UNSPECIFIED.

Mohd. Zobir Hussein (2007) Method to produce controlled release formulation of 1-Naphthaleneacete, a plant growth regulator. UNSPECIFIED.

This list was generated on Fri Apr 19 00:32:24 2024 +08.