eda yuhana-ariffin, siti syahraini sulaiman, noraisyah abdul kadir jilani, devika nokarajoo, nurul hidayah abdul razak, darfizzi derawi, siti aishah hasbullah.  (2022).  a new sensing material based on tetraaza/sba15 for rapid detection of copper(ii) ion in water.  - membranes.  1-15. 

megan.x.y. ravindran, n. asikin-mijan, h.c. ong, darfizi derawi, m.r. yusof, m.s. mastuli, h.v. lee, w.n.a.s. wan mahmood, m.s. razali, g. abdulkareem al-sultan, y.h. taufiq-yap f.  (2022).  feasibility of advancing the production of bio-jet fuel via microwave reactor under low reaction temperature.  - journal of analytical and applied pyrolysis.  1-12. 

norshakirah ahmad rashidi, elnida mustapha, yeow yean theng, noor azira abdul razak, najihah abdul bar, khairul basyar baharudin, darfizzi derawi.  (2022).  advanced biofuels from waste cooking oil via solventless and hydrogen-free catalytic deoxygenation over mesostructured ni-co/sba-15, ni-fe/sba-15, and co-fe/sba-15 catalysts.  - fuel.  1-12. 

murad bahadi, jumat salimon, darfizzi derawi.  (2022).  synthesis of iso grade 46 and 68 biolubricant from palm kernel fatty acids.  - sains malaysiana.  2507-2529. 

noor azira abdul razak, nurul-asikin mijan, yun hin taufiq-yap, darfizzi derawi.  (2022).  production of green diesel via hydrogen-free and solventless deoxygenation reaction of waste cooking oil.  - journal of cleaner production.  1-16. 

murad bahadi, jumat salimon, darfizzi derawi.  (2021).  synthesis of di-trimethylolpropane tetraester-based biolubricant from elaeis guineensis kernel oil via homogeneous acid-catalyzed transesterification.  - renewable energy.  981-993. 

fatimatuzzahraa mohd fadzel, jumat salimon, darfizzi derawi.  (2021).  low-energy separation technique on purification of unsaturated fatty acids of palm stearin using methanol crystallization method.  - sains malaysiana.  151-160. 

khairul basyar baharudin, nurulhuda abdullah, darfizzi derawi.  (2021).  synthesis of raspberry-like structure zinc oxide nanoparticles via glycol-solvothermal, low-temperature solvothermal and coprecipitation methods.  - comptes rendus chimie.  33-42. 

murad bahadi, mohamad firdaus yusoff, jumat salimon, darfizzi derawi.  (2020).  optimization of response surface methodology by d-optimal design for alkaline hydrolysis of crude palm kernel oil.  - sains malaysiana.  29-41. 

ajiya dahiru adamu, suzi salwah jikan, balkis hj. a. talip, nur azam badarulzaman, hazel monica matias-peralta, darfizzi derawi, shehu yahaya.  (2020).  effect of water loading on the chemical structure and mechanical properties of thermoplastic tapioca starch film.  - international journal of integrated engineering.  83-88. 

moneer alrashidi, darfizzi derawi, jumat salimon, mohamad firdaus yusoff.  (2020).  an investigation of physicochemical properties of nigella sativa l. seed oil from al-qassim by different extraction methods.  - journal of king saud university.  3337-3342. 

muhammad fadhli kamaruzaman, yun hin taufiq-yap, darfizzi derawi.  (2020).  green diesel production from palm fatty acid distillate over sba-15-supported nickel, cobalt, and nickel/cobalt catalysts.  - biomass and bioenergy.  1-8. 

khairul basyar baharudin, nurulhuda abdullah, taufiq yap yun hin, darfizzi derawi.  (2020).  renewable diesel via solventless and hydrogen-free catalytic deoxygenation of palm fatty acid distillate.  - journal of cleaner production.  1-11. 

murad bahadi, mohamad firdaus mohamad yusoff, jumat salimon, majd ahmed jumaah and darfizzi derawi.  (2019).  physicochemical characteristics of malaysian crude palm kernel oil.  - malaysian journal of chemistry.  17-27. 

farah afiqah abdullah, ismail ab raman, darfizzi derawi.  (2019).  pseudo-ternary phase behaviour of palm-based microemulsion insecticides.  - malaysian journal of chemistry.  1-7. 

khairul basyar baharudin, yun hin taufq-yap, james hunns, mark isaacs, karen wilson, darfzzi derawi.  (2019).  mesoporous nio/al-sba-15 catalysts for solvent-free deoxygenation of palm fatty acid distillate.  - microporous and mesoporous materials.  . 

nurin afiqah zairul azman, ismail ab. raman, ibrahim jantan, darfizzi derawi.  (2019).  formulation screening of palm-based nanoemulsion for an oral drug vehicle of phyllanthin.  - malaysian journal of chemistry.  43-49. 

murad bahadi, mohamad firdaus yusoff, jumat salimon, abd al-wali japir, darfizzi derawi.  (2019).  optimization of low-temperature methanol crystallization for unsaturated fatty acids separation from crude palm fatty acids mixture using response surface methodology.  - asian journal of chemistry.  1617-1625. 

nurazira mohd nor, darfizzi derawi, jumat salimon.  (2019).  esterification and evaluation of palm oil as biolubricant base stock.  - malaysian journal of chemistry.  28-35. 

murad bahadi, mohamad firdaus yusoff, jumat salimon, darfizzi derawi.  (2019).  optimization of response surface methodology by d-optimal design for synthesis of food-grade palm kernel based biolubricant.  - industrial crops and products.  1-12. 

khairul basyar baharudin, mahashanon arumugam, james hunns, adam f. lee, edwin mayes, yun hin taufiq-yap, karen wilson, darfizzi derawi.  (2019).  octanoic acid hydrodeoxygenation over bifunctional ni/al-sba-15 catalysts.  - catalysis science & technology.  1-8. 

fatimatuzzahraa mohd fadzel, jumat salimon and darfizzi derawi.  (2019).  biolubricant production from palm stearin fatty acids and pentaerythritol.  - malaysian journal of chemistry.  50-63. 

abd al-wali japir, jumat salimon, darfizzi derawi, badrul hisham yahaya, murad bahadi, salah al-shuja, muhammad rahimi yusop.  (2018).  a highly efficient separation and physicochemical characteristics of saturated fatty acids from crude palm oil fatty acids mixture using methanol crystallisation method.  - ocl - oilseeds and fats, crops and lipids.  . 

khairul basyar baharudin, nurulhuda abdullah, darfizzi derawi.  (2018).  effect of calcination temperature on the physicochemical properties of zinc oxide nanoparticles synthesized by coprecipitation.  - materials research express.  . 

nurazira mohd nor, darfizzi derawi & jumat salimon.  (2018).  the optimization of rbd palm oil epoxidation process using d-optimal design.  - sains malaysiana.  . 

a.a.w. japira, j. salimon, d. derawi, b.h. yahaya, m.s.m. jamil and m.r. yusop.  (2017).  optimization of methanol crystallization for highly efficient separation of palmitic acid from palm fatty acid mixture using response surface methodology.  - grasas y aceitas.  1-15. 

darfizzi derawi, nurin afiqah zairul azman, mohd fadlly jumadi.  (2017).  preliminary study on production of monoacylglycerol and diacylglycerol of virgin coconut oil via enzymatic glycerolysis using lipase candida antarctica (novozyme 435).  - malaysian journal of analytical sciences.  37-45. 

abd alwali japir, jumat salimon, darfizzi derawi, murad bahadi, salah alshuja, muhammad rahimi yusop.  (2017).  physicochemical characteristics of high free fatty acid crude palm oil.  - oilseeds and fats crops and lipids.  1-9. 

nurazira mohd nor, darfizzi derawi, jumat salimon.  (2017).  chemical modification of epoxidized palm oil for biolubricant application.  - malaysian journal of analytical sciences.  1423-1431. 

darfizzi derawi.  (2016).  experimental design using response surface methods for palm olein-based hydroxy-ether systhesis.  - sains malaysiana.  1149-1154. 

darfizzi derawi, jumat salimon.  (2016).  sintesis sebatian hidroksi-eter minyak sawit olein.  - sains malaysiana.  817-823. 

abd al-wali japir, jumat salimon, darfizzi derawi, murad bahadi, muhammad rahimi yusop.  (2016).  purification of high free fatty acid crude palm oil using molecular distillation.  - asian journal of chemistry.  2549-2554. 

bashar mudhaffar abdullah, rahimi m. yusop, jumat salimon, darfizzi derawi, waled abdo ahmed.  (2016).  epoxidation synthesis of linoleic acid for renewable energy applications.  - malaysian journal of analytical sciences.  131-141. 

norul naziraa ahmad jamlus, jumat salimon, darfizzi derawi.  (2016).  enzymatic glycerolysis of methyl laurate utilizing candida antarctica lipase b.  - the malaysian journal of analytical sciences.  1365-1372. 

wasan a. al-taay, saad f. oboudi, emad yousif, mohammed abdul nabi, rahimi m. yusop and darfizzi derawi.  (2015).  fabrication and characterization of nickel chloride doped pmma films.  - advances in materials science and engineering.  1-5. 

jumat salimon, waled abdo ahmed, nadia salih, mohd ambar yarmo, darfizzi derawi.  (2015).  lubricity and tribological properties of dicarboxylic acid and oleyl alcohol based esters.  - sains malaysiana.  405-412. 

waled abdo ahmed, ambar yarmo, nadia salih, mohd darfizzi derawi, muhammad rahimi yusop, jumat salimon.  (2015).  synthesis and lubricity properties analysis of branched dicarboxylate esters based lubricant.  - malaysian journal of analytical sciences.  106-117. 

saad f oboudi ,mohammed t abdul, nabi wasan al taay, rahimi m yusop, darfizzi derawi and emad yousif.  (2015).  dispersion characterization of conductive polymer.  - international journal of electrochemical science.  1555-1562. 

emad yuosif, emaad t.b al-tikrity, mustafa abdalla, rahimi m. yusop, badrul hisham yahaya, darfizzi derawi.  (2015).  study the electrical conductivity of cross-linked polymers doped with liclo4.  - international journal of electrochemical science.  2055 -2063. 

rahimi m. yusop, nasser shalan, ahmed ahmed, darfizzi derawi, ahmed al-amiery, abdul amir kadhum, raghad haddad, emad yousif.  (2014).  photochemical and physical study of pvc- amines polymers.  - australian journal of basic and applied sciences.  394-401. 

darfizzi derawi, bashar mudhaffar abdullah, hasniza zaman huri, rahimi m. yusop, jumat salimon, nany hairunisa, and nadia salih.  (2014).  palm olein as renewable raw materials for industrial and pharmaceutical products applications: chemical characterization and physicochemical properties studies.  - advances in materials science and engineering.  1-5. 

darfizzi derawi, jumat salimon, waled abdo ahmed.  (2014).  preparation of epoxidized palm olein as renewable material by using peroxy acids.  - malaysian journal of analytical sciences.  584-591. 

darfizzi derawi & jumat salimon.  (2014).  potential of palm olein as green lubricant source: lubrication analysis and chemical characterisation.  - the malaysian journal of analytical sciences.  245-250. 

darfizzi derawi, jumat salimon.  (2013).  penghasilan poliol minyak sawit olein secara hidrolisis selanjar dan berkelompok.  - sains malaysiana.  1121-1129.