manoj pudukudy, ramesh rajendran, yingju miao, sharifah najiha timmiati, nabila a. karim.  (2026).  influence of annealing temperature on the structural, textural, and optical properties of polygonal-shaped spinel co3o4 nanoparticles for the photocatalytic mineralization of methyl orange under visible light irradiation.  - journal of materials science: materials in electronics.  1762 - 1762. 

nur afifah mat razali, norilhamiah yahya, nurul atiqah izzati md ishak, nabila a. karim, siti kartom kamarudin.  (2025).  revolutionizing energy: tailored znofe2o3/rgo for glucose oxidation in fuel cell application.  - fuel cells.  1 - 11. 

putera nik aiman othman, nabila a. karim, febdian rusydi .  (2025).  selective oxidation of glycerol to glycolic and oxalic acids for direct glycerol fuel cell.  - fuel cells.  1 - 10. 

iswary letchumanan, rozan mohamad yunus, mohd shahbudin mastar@masdar, nabila a. karim.  (2025).  advancements in electrocatalyst architecture for enhanced oxygen reduction reaction in anion exchange membrane fuel cells: a comprehensive review.  - international journal of hydrogen energy.  527 - 546. 

nowilin james rubinsin, wan nor roslam wan isahak, salma samidin, manoj pudukudy, medhat a. nemitallah, nabila a. karim.  (2025).  gas product behaviour using flower-like nickel-based mof catalysts for sustainable hydrogen production from biomass.  - renewable energy.  1 - 14. 

iswary letchumanan, blaz likozar, nabila a. karim.  (2025).  catalyst design and compositional control for low-temperature co2-to-syngas electrolysis in modular industrial systems.  - journal of environmental chemical engineering.  1 - 22. 

nurul nabila rosman, wei shi ng, nur rabiatul adawiyah mohd shah, mohd shahbudin masdar, nabila a. karim, narges ataollahi, rozan mohamad yunus.  (2025).  nanostructured transition metal-based electrocatalysts: a promising pathway in anion exchange membrane water electrolysis.  - materials today sustainability.  1 - 20. 

iswary letchumanan, ajaz ahmad wani, norazuwana shaari, mahnoush beygisangchin, siti kartom kamarudin, nabila a. karim.  (2024).  metal–organic frameworks as a catalyst and catalyst support in fuel cells: from challenges to catalytic application.  - chemical engineering and technology.  1 - 11. 

nowilin james rubinsin, sharifah najiha timmiati, kean long lim, wan nor roslam wan isahak, nabila a. karim.  (2024).  gasification reaction on ceo2(111) and effects on the structural and electronic properties of adsorption molecules.  - chemical engineering and technology.  1 - 11. 

mahnoush beygisangchin, siti kartom kamarudin , suraya abdul rashid, nurul atiqah izzati md ishak, nabila a. karim, jaroon jakmunee , iswary letchumanan, iesti hajar hanapi , siti hasanah osman, amir hossein baghdadi.  (2024).  anode electrocatalysts and their supporting materials for methanol oxidation reaction based on research conducted in recent five years: comprehensive review.  - journal of environmental chemical engineering.  1 - 36. 

iswary letchumanan, rozan mohamad yunus, mohd shahbudin mastar @ masdar, mahnoush beygisangchin, siti kartom kamarudin, nabila a. karim.  (2024).  modified surface nano-topography for renewable energy applications for promising cobalt-based nanomaterials towards dual-functional electrocatalyst.  - international journal of hydrogen energy.  1518-1539. 

nowilin james rubinsin, nabila a. karim, sharifah najiha timmiati, kean long lim, wan nor roslam wan isahak, manoj pudukudy.  (2024).  an overview of the enhanced biomass gasification for hydrogen production.  - international journal of hydrogen energy.  1139-1164. 

p.n.a.m. othman, n.a. karim, s.k. kamarudin.  (2023).  first principle study of the electronic and catalytic properties of palladium-silver (pdag) alloys catalyst for direct liquid fuel cells.  - chemical physics.  1-12. 

nurul atiqah izzati md ishak, siti kartom kamarudin , sharifah najiha timmiati, suhaila mohd sauid, nabila a karim, sahriah basri.  (2023).  green synthesis of platinum nanoparticles as a robust electrocatalyst for methanol oxidation reaction: metabolite profiling and antioxidant evaluation.  - journal of cleaner production.  1-18. 

samuel e. p. p. masan, febdian rusydi, wahyu a. e. prabowo, daniel elisandro, wun f. mark-lee, nabila a. karim, adhitya g. saputro.  (2023).  impact of hydrogen coverage trend on methyl formate adsorption on mos2 surface: a first principles study.  - acs omega.  6523-6529. 

muhammad amirul aiman bin abdul rani, nabila a. karim, noor shahirah shamsul, siti kartom kamarudin.  (2023).  titanium oxide/nickel foam (tio2/nf) catalyzed the conversion of glucose to 5-hydroxymethylfurfural in subcritical solvothermal liquefaction.  - fuel.  1-14. 

siti hasanah osman, siti kartom kamarudin , sahriah basri and nabila a. karim.  (2023).  anodic catalyst support via titanium dioxide-graphene aerogel (tio2-ga) for a direct methanol fuel cell: response surface approach.  - catalyst.  1-23. 

siti hasanah osman, siti kartom kamarudin, sahriah basri and nabila a. karim.  (2023).  potential of 3d hierarchical porous tio2-graphene aerogel (tio2-ga) as electrocatalyst support for direct methanol fuel cells.  - nanomaterial.  1-18. 

siti hasanah osman, siti kartom kamarudin, sahriah basri, nabila a. karim.  (2023).  three-dimensional graphene aerogel supported on efficient anode electrocatalyst for methanol electrooxidation in acid media.  - catalyst.  1-15. 

nabila a karim, muhammad syafiq alias, norazuwana shaari, hsiharng yang.  (2023).  calcium carbonate from chicken eggshells as filler in composite nafion membrane for direct ethanol fuel cell: a molecular dynamics study.  - journal of chemical technology and biotechnology.  2763-2773. 

nabila a. karim; muhammad syafiq alias; rozan mohamad yunus; mohd shahbudin mastar@masdar; siti kartom kamarudin.  (2023).  theoretical analysis of metals supported on tungsten oxide nanowires (w18o49) for water dissociation reaction.  - chemical engineering & technology.  2644-2653. 

muhammad amirul aiman bin abdul rani; nabila a. karim; siti kartom kamarudin.  (2022).  microporous and mesoporous structure catalysts for the production of 5-hydroxymethylfurfural (5-hmf).  - international journal of energy research.  577-633. 

norilhamiah yahya, m. firdaus mamat, suhaini mamat, nabila a. karim.  (2022).  chemical oxygen demand and turbidity removal of landfill leachate using electrocoagulation technique with a1 electrode.  - malaysian journal of analytical sciences.  652-663. 

siti hasanah osman, siti kartom kamarudin, sahriah basri nabila a. karim.  (2022).  organic aerogel as electro-catalytic support in low-temperature fuel cell.  - international journal of energy research.  16264-16280. 

siti hasanah osman, siti kartom kamarudin, sahriah basri , nabila a.karim.  (2022).  ptru supported on porous 3d titanium dioxide-graphene aerogel as a potential electrocatalyst for direct methanol fuel cells.  - malaysian journal of analytical sciences.  613-621. 

muhammad amirul aiman bin abdul rani, nabila a. karim, siti kartom kamarudin.  (2022).  recent reaction systems for the synthesis of 5-hydroxymethylfurfural (hmf) from carbohydrates with process development analysis: a review.  - international journal of energy research.  18996-19050. 

n. a. karim, n. s. shamsul, m. s. alias, s. k. kamarudin.  (2021).  structural and electronic properties of the adsorption molecules on co and fe/n-doped graphene towards the application in direct liquid fuel cell.  - structural chemistry.  405-415. 

n.s.a. hamid, s.k. kamarudin, n.a. karim.  (2021).  potential of nafion/eggshell composite membrane for application in direct methanol fuel cell.  - international journal of energy research.  1-20. 

ishak, n.a.i.m., kamarudin, s.k., timmiati, s.n., karim, n.a., basri, s..  (2021).  biogenic platinum from agricultural wastes extract for improvedmethanol oxidation reaction in direct methanol fuel cell.  - journal of advanced research.  63-75. 

nabila a. karim, muhammad syafiq alias, hsiharng yang.  (2021).  recent developments for the application of 3d structured material nickel foam and graphene foam in direct liquid fuel cells and electrolyzers.  - catalysts.  1-13. 

s.m. sauid, s.k. kamarudin, n.a. karim, l.k. shyuan.  (2021).  superior stability and methanol tolerance of a metal-free nitrogen-doped hierarchical porous carbon electrocatalyst derived from textile waste.  - journal of materials research and technology.  1834-1846. 

nabila a. karim, hsiharng yang.  (2021).  mini-review: recent technologies of electrode and system in the enzymatic biofuel cell (ebfc).  - applied sciences.  1-27. 

putera nik aiman mustaqim othman, nabila a. karim, siti kartom kamarudin.  (2021).  research and innovation in the electrocatalyst development toward glycerol oxidation reaction.  - international journal of energy research.  12693-12727. 

nurul atiqah izzati md ishak, s.k. kamarudin, sharifah najiha timmiati, nabila karim, sahriah basri.  (2021).  enhanced performance of methanol oxidation reaction via green synthesis of platinum electro-catalyst from sugar cane bagasse.  - international journal of energy research.  7380-7403. 

n.a. karim, m.s. alias, s.k. kamarudin.  (2021).  the mechanism of the water dissociation and dehydrogenation of glycerol on au (111) and pdau alloy catalyst surfaces.  - international journal of hydrogen energy.  30937-30947. 

siti h. osman, s. k. kamarudin, nabila a. karim, sahriah basri.  (2021).  application of graphene in low-temperature fuel cell technology: an overview.  - international journal of energy research.  18318-18336. 

nabila a. karim, norilhamiah yahya, muhammad syafiq, siti kartom kamarudin.  (2020).  electrochemical reaction and dissociation of glycerol on pdau surface catalyst.  - sains malaysiana.  3145-3154. 

n.yahya, s.k.kamarudin, n.a. karim, s.basri, a.m.zanoodin.  (2019).  nanostructured pd-based electrocatalyst and membrane electrode assembly behaviour in a passive direct glycerol fuel cell.  - nanoscale research letter.  . 

n.yahya, s.k kamarudin, n. a karim, m.s masdar, k.s loh and k.l lim.  (2019).  durability and performance of direct glycerol fuel cell with palladium-aurum/ vapor grown carbon nanofiber support.  - energy conversion and management.  120-130. 

n. abdullah, s.k. kamarudin, l.k. shyuan, n.a. karim.  (2019).  synthesis and optimization of ptru/tio2-cnf anodic catalyst for direct methanol fuel cell.  - international journal of hydrogen energy.  30543-30552. 

n.a. karim, n.j. rubinsin, m.a.a. burukan, s.k. kamarudin.  (2019).  sustainable route of synthesis platinum nanoparticles using orange peel extract.  - international journal of green energy.  1518-1526. 

n. yahya, s.k. kamarudin, n.a. karim, m.s. masdar and k.s. loh.  (2017).  enhanced performance of a novel anodic pdau/vgcnf catalyst for electro-oxidation in a glycerol fuel cell.  - nanoscale research letter.  1-11. 

n. abdullah, s. k. kamarudin, l. k. shyuan, n. a. karim.  (2017).  fabrication and characterization of new composite tio2 carbon nanofiber anodic catalyst support for direct methanol fuel cell via electrospinning method.  - nanoscale research letters.  1-11.