norilyani izzati hasanuddin, wan nur aini wan mokhtar, rizafizah othaman, farah hannan anuar.  (2022).  poly(lactic acid)-poly(ethylene glycol)/ magnesium silicate membrane for methylene blue removal: adsorption behavior, mechanism, ionic strength.  - membranes.  1-21. 

ain nadiah sofiah ahmad khorairi, noor-soffalina sofian-seng, rizafizah othaman, noorul syuhada mohd razali, khairul farihan kasim.  (2022).  assessment of natural cellulosic powder from pepper pericarp waste (piper nigrum l.) after alkalization and bleaching treatment: effect of alkali concentration and treatment cycle.  - sains malaysiana.  1061-1074. 

nur haninah harun, zurina zainal abidin, umar adam majid, mohamad rezi abdul hamid, abdul halim abdullah, rizafizah othaman, mohd yusof harun.  (2022).  adopting sustainable jatropha oil bio-based polymer membranes as alternatives for environmental remediation.  - polymers.  1-19. 

nurul hanisah mohd, rizafizah othaman, mukram mohamed mackeen, mohamad yusof maskat.  (2021).  kesan prarawatan dan masa hidrolisis enzim untuk penghasilan oligosakarida daripada serabut mesokarpa buah kelapa sawit.  - sains malaysiana.  1673-1683. 

azwan mat lazim, farahain mokhtar, kalaivani sanger, a. azfaral ariff, izwan ishak, i. faiz mustafa, saiful irwan zubairi, shazrul fazry, rizafizah othaman, mazlan mohamed, norhakimin abdullah, h. hisham hamzah.  (2021).  hidrogel berasaskan pektin kulit buah naga (hylocereus polyrhizus) sebagai pembawa ubat melalui sistem penghantar oral.  - sains malaysiana.  3263-3273. 

nurul hanisah mohd, hanieh kargazadeh, manabu miyamoto, shigeyuki uemiya, nabhan sharer, azizah baharum, teh lee peng, ishak ahmad, mohd ambar yarmo, rizafizah othaman.  (2021).  aminosilanes grafted nanocrystalline cellulose from oil palm empty fruit bunch aerogel for carbon dioxide capture.  - journal of materials research and technology.  2287-2296. 

sarah husnaini zainal, nurul hanisah mohd, nabilah suhaili, farah hannan anuar, azwan mat lazim, rizafizah othaman.  (2021).  preparation of cellulose-based hydrogel: a review.  - journal of materials research and technology.  935-952. 

s.m. yusof, r. othaman, h.d. setiabudi, l.p. teh.  (2021).  modified fibrous silica for enhanced carbon dioxide adsorption: role of metal oxides on physicochemical properties and adsorption performance.  - journal of solid state chemistry.  1-13. 

ain nadiah sofiah ahmad khorairi, noor soffalina sofian-seng, rizafizah othaman, khairul farihan kasim.  (2020).  cellulose powder from piper nigrum l. agro-industrial waste: effect of preparation condition on chemical structure and thermal degradation.  - sains malaysiana.  1951-1957. 

noraisah jahi, rizafizah othaman, azwan mat lazim, suria ramli.  (2020).  empty fruit bunch cellulose based sorbent for oil sorption in palm oil mill effluent.  - sains malaysiana.  2323-2333. 

zaitun ghazali, nabila suhaili, maratun najihah abu tahari, mohd ambar yarmo, nur hasyareeda hassan, rizafizah othaman.  (2020).  impregnating deep eutectic solvent choline chloride:urea:polyethyleneimine onto mesoporous silica gel for carbon dioxide capture.  - journal of materials research and technology.  3249-3260. 

fatimah zahrah mohd kamil, norilyani izzati hasanuddin, rizafizah othaman, farah hannan anuar.  (2020).  treatment of palm oil mill effluent by poly(l-lactic acid)-poly(ethylene glycol)/silica membrane.  - sains malaysiana.  2311-2322. 

nur farahein hadina ismail, tan meng chai, rusli daik, rizafizah othaman.  (2020).  epoxidised natural rubber (enr)/polyvinyl chloride (pvc)/silica (sio2) membrane for treating palm oil mill effluents (pome).  - plastics, rubber and composites.  134-140. 

nur haninah harun, zurina zainal abidin , abdul halim abdullah, rizafizah othaman.  (2020).  sustainable jatropha oil-based membrane with graphene oxide for potential application in cu(ii) ion removal from aqueous solution.  - processes.  1-22. 

zaitun ghazali, mohd ambar yarmo, nur hasyareeda hassan, lee peng teh, rizafizah othaman.  (2020).  new green adsorbent for capturing carbon dioxide by choline chloride urea confined nanoporous silica.  - arabian journal for science and engineering.  4621-4634. 

zaitun ghazali, nur hasyareeda hassan, mohd ambar yarmo, teh lee peng, rizafizah othaman.  (2019).  immobilization of choline chloride: urea onto mesoporous silica for carbon dioxide capture.  - sains malaysiana.  1025-1033. 

norliyana mod, farah hannan anuar, rizafizah othaman.  (2019).  solution casting epoxidized natural rubber/poly(vinylidine fluoride) membrane for palm oil effluent treatment.  - malaysian journal of analytical sciences.  725-735. 

wan farahhanim wan fathilah, rizafizah othamanwan farahhanim wan fathilah, rizafizah othaman.  (2019).  electrospun cellulose fibres and applications.  - sains malaysiana.  1459-1472. 

noor azlina abdul ghani, rizafizah othaman, azizan ahmad, farah hannan anuar, nur hasyareeda hassan.  (2019).  impact of purification on iota carageenan as solid polymer electrolyte.  - arabian journal of chemistry.  370-376. 

safiah mohamad jaafar, rozida mohd. khalid, rizafizah othaman, wan nur aini wan mokhtar, suria ramli.  (2019).  coconut oil based microemulsion formulations for hair care product application.  - sains malaysiana.  599-605. 

nabilah suhaili, lee wah lim, takeuchi toyohide, rizafizah othaman.  (2019).  utilization of deep eutectic solvent (des) as porogen in the fabrication of polymeric monolithic capillary column.  - malaysian journal of analytical sciences.  667-676. 

sarah husnaini zainal, rica nofrianti, azwan mat lazim, rizafizah othaman.  (2019).  cellulose-based hydrogel as halal agricultural medium.  - malaysian applied biology journal.  109-113. 

andi rifki rosandy, anis asmi azman, rozida mohd khalid, rizafizah othaman, azwan mat lazim,, iqbal m. choudary, yana maulana syah, jalifah latip, ikram md. said, muntaz abu bakar.  (2018).  new diterpenoids from the roots of croton hirtus (euphorbiaceae)..  - malaysian journal of analytical sciences.  64-71. 

ain athirah zainuddin, rizafizah othaman, wan syaidatul aqma wan mohd noor, takeno akiyoshi, takahashi shinya, farah hannan anuar.  (2018).  synthesis and thermal properties of poly(ethylene glycol)-polydimetylsiloxane crosslinked copolymers.  - sains malaysiana.  . 

muhammad johan iskandar, azizah baharum, farah hannan anuar, rizafizah othaman.  (2018).  palm oil industry in south east asia and the effluent treatment technology - a review.  - environmental technology & innovation.  169-185. 

afifah muhamad sidik, rizafizah othaman, farah hannan anuar.  (2018).  the effect of molecular weight on the surface and permeation of poly(l-lactic acid)-poly(ethylene glycol) membrane with activated carbon filler.  - sains malaysiana.  . 

aina aqila arman alim & rizafizah othaman.  (2018).  epoxidized natural rubber/polyvinyl chloride/microcrystalline cellulose (enr/ pvc/mcc) composite membrane for palm oil mill effluent (pome) treatment.  - sains malaysiana.  . 

mohd izhar ariff mohd kashim, nur asmadayana hasim, rizafizah othaman, rozida khalid, muhammad adib samsudin, mohammad zaini yahaya, zahara abdul manaf, latifah amin & diani mardiana mat zin.  (2018).  najis (tinja) manusia daripada perspektif sains dan islam serta amalan pemakanan sunnah.  - sains malaysiana.  . 

abdullah a. ghawanmeh, kwok feng chong, shaheen sarkar, muntaz abu bakar, rizafizah othaman, rozida m. khalid.  (2018).  colchine prodrugs and codrugs: chemistry and bioactivities.  - european journal of medicinal chemistry.  229-242. 

alinda samsuri, fairous salleh, tengku shafazila tengku saharuddin, rizafizah othaman, mohammad wahab mohammad hisham and mohd ambar yarmo.  (2017).  effect of noble metal silver on the reduction behaviour of molybdenum oxide using carbon monoxide.  - materials science forum.  377-381. 

nurul huda abd karim, mohd farhan mohd nor, norhana arsad, nur hasyareeda hassan, azizah baharum, rozida khalid, farah hannan anuar, abu bakar, m and rizafizah othaman.  (2017).  the marketability of ukm chemistry students from industrial training perspective.  - pertanika journal of social sciences & humanities.  907-920. 

fairous salleh, tengku shafazila tengku saharuddin, alinda samsuri, rizafizah othaman, mohammad wahab mohammad hisham, mohd ambar yarmo.  (2017).  influence of cerium.  - materials science forum.  389-393. 

mohd izhar ariff mohd kashim, nur asmadayana hashim, rizafizah othman, muhammad zaini yahaya, rozida khalid, muhammad adib samsudin & diani mardiana mat zin.  (2017).  plasma darah dalam makanan daripada perspektif islam dan sains.  - sains malaysiana.  1779-1787. 

nurul suraya rosli, shuhaida harun, jamaliah md jahim, rizafizah othaman.  (2017).  chemical and physical characterization of oil palm empty fruit bunch.  - malaysian journal of analytical sciences.  188-196. 

rizafizah othaman, kausar ahmad fuad, farhan mohd nor & rozida mohd khalid.  (2016).  physicochemical properties of edible films and polyetylene film on fried sweet potatoes(ipomoea batatas) (ciri fizikokimia filem boleh makan dan filem polietilena bagi ubi keledek (ipomoea batatas) g.  - sains malaysiana.  1939-1945. 

tengku shafazila tengku saharuddin, alinda samsuri, fairous salleh, mohammad bin kassim, rizafizah othaman, mohamed wahab mohamed hisham, mohd ambar yarmo.  (2016).  influence of chromium on the reduction behavior of ferric oxide by using carbon monoxide: temperature programmed reduction and kinetic studies.  - malaysian journal of analytical sciences.  531-538. 

nor f.m., karim n.h.a., abdullah i., othaman r..  (2016).  permeability of carbon dioxide and nitrogen gases through sio2 and mgo incorporated enr/pvc membranes.  - journal of elastomers and plastics.  483-498. 

alinda samsuri, tengku shafazila tengku saharuddin, fairous salleh, rizafizah othaman, mohamed wahab mohamed hisham, mohd. ambar yarmo.  (2016).  temperature programmed reduction and x-ray diffractometry studies of moo3 reduction by different concentrations of carbon monoxide (kajian penurunan suhu berprogram dan pembelauan sinar-x terhadap.  - malaysian journal of analytical sciences.  382-387. 

nurul hanisah mohd, nur farahein hadina ismail, johan iskandar zahari, wan farahhanim btwan fathilah, hanieh kargarzadeh, suria ramli, ishak ahmad, mohd ambar yarmo, rizafizah othaman.  (2016).  effect of aminosilane modification on nanocrystalline cellulose properties.  - journal of nanomaterials.  1-8. 

norliyana mod, farah hannan anuar, rizafizah othaman.  (2016).  preparation and characterization of epoxidised natural rubber (enr)/poly(vinylidene fluoride) (pvdf) (enr/pvdf) composite membrane.  - malaysian journal of analytical sciences.  . 

tengku shafazila tengku saharuddin1,a*, alinda samsuri1,2 , fairous salleh1 , rizafizah othaman1 , mohammad kassim1 , mohamed wahab mohamed hisham1 , mohd ambar yarmo1,.  (2016).  the reduction behaviour of cerium doped iron oxide in hydrogen and carbon monoxide atmosphere.  - materials science forum.  381-385. 

nur asmadayana hasim, mohd izhar ariff mohd kashim, rizafizah othaman, mohammad zaini yahaya,rozida khalid & muhammad adib samsudin.  (2016).  menses from the perspective of science and maqasid syariah (haid daripada perspektif sains dan maqasid syariah).  - sains malaysiana.  1879-1885. 

alinda samsuri, tengku shafazila tengku saharuddin,fairous salleh, rizafizah othaman,mohamed wahab mohamed hisham,mohd. ambar yarmo.  (2016).  study on the reduction behavior of molybdenum oxide ( moo3) in carbon monoxide (co) atmosphere.  - materials science forum.  299-304. 

farhan mohd nor & rizafizah othaman.  (2015).  effects of mgo particle loading on gas permeation properties of epoxidized natural rubber (enr) / polyvinyl chloride (pvc) membrane.  - sains malaysiana.  875-881. 

rizafizah othaman, yeon hui yuan and muntaz abu bakar.  (2015).  factors affecting the physical properties of epoxidized natural rubber (enr)/ polyvinyl chloride (pvc) aerogels.  - oriental journal of chemistry.  697-702. 

adil hakam, irman abdul rahman, m. suzeren jamil, rizafizah othaman, m.c.i. mohamad amin, azwan mat lazim.  (2015).  removal of methylene blue dye in aqueous solution by sorption on a bacterial-g-poly-(acrylic acid) polymer network hydrogel.  - sains malaysiana.  827-834. 

noraisah jahi, eng siew ling, rizafizah othaman, suria ramli.  (2015).  modification of oil palm plantation wastes as oil adsorbent for palm oil mill effluent (pome).  - the malaysian journal of analytical sciences.  31-40. 

liew m., othaman r., khalid r., amin m.c.i.m., lazim a.m..  (2014).  sintesis hidrogel berasaskan nata de coco dengan asid akrilik sebagai ko-monomer menggunakan kaedah pempolimeran radikal bebas.  - malaysian journal of analytical sciences.  299-305. 

norfarhana abdul samad, rizafizah othaman and ibrahim abdullah.  (2014).  preparation and characterisation of epoxidised natural rubber/polyinyl chloride/rice husk (enr/pvc/rh) thin film composites by solution casting technique.  - international journal materials engineering innovation.  61-69. 

melissa liew, rizafizah othaman, rozida khalid, m.c.iqbal mohd amin, azwan mat lazim.  (2014).  sintesis hidrogel beraqsaskan nata de coco dengan asid akrilik sebagai ko-monomer dengan menggunakan kaedah pempolimeran radikal bebas.  - the malaysian journal of analytical sciences.  299-305. 

nazwa jon, norfarhana ab. samad, nurul amni abdullah, ibrahim abdullah, rizafizah othaman.  (2013).  influence of silica addition on the properties of epoxidised natural rubber/polyvinyl chloride composite membrane.  - journal of applied polymer science.  129(5):2789-2795. 

n.a. abdullah, i. abdullah, r. othaman.  (2013).  influence of solvent and drop distance on the formation of enr/pvc/silica aerogel beads.  - international journal of materials engineering innovation.  4(3/4):269-280. 

rizafizah othaman.  (2013).  editorial for special issue on emerging polymers for novel applications.  - international journal of materials engineering innovation.  4(3/4):213. 

nazwa jon, ibrahim abdullah, rizafizah othaman.  (2013).  effects of silica on the formation of epoxidised natural rubber/polyvinyl chloride membrane.  - sains malaysiana.  42(4): 469-473. 

mohd razali shamsuddin, siti norfatihah fauzee, farah hannan anuar, ibrahim abdullah, rizafizah othaman.  (2013).  modification of cellulose by polymethyl methacrylate grafting for membrane applications.  - jurnal teknologi.  65(2):47-53. 

zaitun ghazali, rizafizah othaman, md pauzi abdullah.  (2012).  preparation of activated carbon from coconut shell to remove aluminum and manganese in drinking water.  - advances in natural and applied sciences.  6(8):1307-1312.