rizafizah othaman.  (2022).  mengukur pencemaran air melalui bod dan cod.  - majalah sains.  1-4. 

nurul amni abdullah, siti nurzubaida shahdan, azizah baharum, rizafizah othaman.  (2021).  hydrophobicity modification of eggshell particles for polymeric membrane application..  - malaysia polymer international conference (mpic 2021).  66. 

nurul hanisah mohd, mukram mohamed mackeen, mohamad yusof maskat, rizafizah othaman..  (2021).  effect of saccharification and oligosacharides production from oil palm mesocarp fiber celulose using cellulase and ende-b-1,4-d-glucanase.  - malaysia polymer international conference (mpic 2021).  63. 

lee peng teh, syawal mohd yusof, rizafizah othaman, herma dina setiabudi.  (2021).  dendritic fibrous nanosilica for carbon dioxide capture.  - iupac ccce 2021 - 48th world chemistry congress & 104th canadian chemistry conference and exhibition.  1. 

rizafizah binti othaman;azizah binti baharum @ abdul aziz;muntaz binti abu bakar;farah hannan binti anuar.  (2021).  bahan pintar untuk rawatan air buangan industri.  - .  . 

ishak bin ahmad;rizafizah binti othaman.  (2021).  hydrophobic gelatin-cellulose nanocrystals (cnc) composite aerogels for crude oil absorption.  - .  . 

norilyani izzati hasanuddin, wan nur aini wan mohd mokhtar, rizafizah othaman, farah hannan anuar.  (2021).  poly(lactic acid)-poly(ethylene glycol)/magnesium silicate membrane for methylene blue removal.  - malaysia polymer international conference 2021.  60. 

azizah binti baharum @ abdul aziz;rizafizah binti othaman;nurfaizah binti abu tahrim.  (2021).  pengoptimuman ubahsuaian imidazol ke atas kenaf teradiasi bagi penjerapan logam berat dalam air buangan industri.  - .  . 

rizafizah othaman (invited speaker), nazwa jon, nurul amni abdullah, nurul hanisah mohd, nabillah suhaili, sarah husnaini zainal, zaitun ghazali, siti nurzubaida shahdan, sivaperumal r. dhinashini, aina aqila arman alim, muhammad johan iskandar, wan farah.  (2021).  polymeric membranes and smart adsorbents in circular economy.  - malaysia polymer international conference (mpic 2021).  30. 

teh lee peng;rizafizah binti othaman.  (2021).  magnesium oxide-promoted dendritic fibrous nanosilica for superb co2 capture.  - .  . 

norhana binti arsad;sahbudin bin shaari;noorfazila binti kamal;ahmad ashrif bin a bakar;mohd syuhaimi bin ab rahman;rizafizah binti othaman;zuraidah binti che` man;mohd saiful dzulkefly bin zan.  (2021).  investigation of highly sensitive chemical material for oscc biomaker application.  - .  . 

nabilah suhaili, lee peng teh, lee wah lim, rizafizah othaman.  (2021).  characterization of arginine deep eutectic solvent (ades) based silica gel for co2 capture..  - malaysia polymer international conference (mpic 2021).  45. 

siti nurzubaida shahdan, rizafizah othaman..  (2021).  development of superhydrophobic composite reinforced with modified eggshell powder for oil/water separation..  - malaysia polymer international conference (mpic 2021).  55. 

nazwa jon, mohamad azuwa mohamed, rizafizah othaman..  (2021).  green synthesis of tio2 nanoparticles using plant extracts..  - malaysia polymer international conference (mpic 2021).  67. 

teh lee peng;mohd. ambar bin yarmo;ishak bin ahmad;rizafizah binti othaman.  (2020).  co2 adsorption-desorption studies on metal oxides-modified fibrous silica hzsm-5.  - .  . 

rozida mohd khalid, abdul munir abd murad, farah diba abu bakar, rizafizah othaman, sahilah abd mutalib, shazilah kamaruddin, muhammad mukram mohamed mackeen.  (2020).  glaciozyma antarctica: unlocking the secrets of secondary metabolites involved in cold adaption.  - .  1-11. 

rizafizah othaman, mohd ambar yarmo, nur hasyareeda hassan.  (2020).  kajian penggunaan mangkin logam terpilih untuk proses pembelahan molekul air bagi meningkatkan penghasilan gas hidrogen.  - .  1-7. 

farah hannan binti anuar;rizafizah binti othaman;nurul huda binti abd karim.  (2019).  modification of renewable polymers as antifouling membrane for palm oil mill effluent (pome) treatment.  - .  1-8. 

farah hannan binti anuar;rizafizah binti othaman;wan syaidatul aqma binti wan mohd noor.  (2019).  polyisoprene and poly (ethylene glycol) graft copolymers as novel antifouling coating.  - .  1-7. 

nurfaizah abu tahrim, nurul izzaty hassan, nurul huda abd. karim, muntaz abu bakar, nur hasyareeda hassan nadhratun naiim mobarak, rizafizah othaman.  (2019).  kemsainsukm: mentor-mentee program - learning science is fun.  - k-novasi pengajaran & pembelajaran 2019.  1. 

rozida binti mohd. khalid;suria binti ramli;rizafizah binti othaman.  (2019).  development of microemulsion system using coconut oil for hair care product application.  - .  1-5. 

rizafizah binti othaman;mohd. ambar bin yarmo;nur hasyareeda binti hassan.  (2018).  penghasilan hidrogen daripada proses pembelahan molekul air menggunakan mangkin logam terpilih (hydrogen production from water splitting process by using selected metal catalysts).  - .  . 

rizafizah binti othaman;yang farina abdul aziz;rusli bin daik;siti fadzilah binti mat noor;nor fauziana binti abdul aziz;nasharuddin bin zainal;azizah binti baharum @ abdul aziz;siti aishah binti hasbullah;arnida hani binti teh;faridah binti yunus;nur has.  (2018).  pembangunan dana wakaf kem sains ukm.  - .  . 

liliahalim,kalaivanichellappan,ruhizanyasin,kamisahosman,zanatoniksan,azminshamrambely,wjulianawahmad,effandizakaria,hafizahhusain,mardinaabdullah,rizafizahothaman,mdizwanmahmud,roslindarosli,ayazidabakar,tmastura tsoh,m.sattar rasul,sabirinab&sitimistima.  (2018).  futuristic multidiscipline stem mentoring program.  - the 17th international expo on inventions and innovations.  . 

prof. madya dr. rizafizah othaman & dr. rozida mohd. khalid.  (2018).  scientastic!! seronoknya sains.  - impak sekolah @ ukm.  . 

safiah mohamad jaafar, rozida mohd. khalid, rizafizah othaman & suria ramli.  (2018).  phase behaviour of coconut oil based microemulsion formulations.  - 5th international conference on oils and fats 2018 (5th smile 2018).  . 

siti fairus binti mohd yusoff;ishak bin ahmad;khairiah binti badri;mohamad azwani shah bin mat lazim;rizafizah binti othaman.  (2018).  fluorination of modified liquid natural rubber (lnr) for the application of hydrophobic surfaces.  - .  . 

rizafizah othaman, zaitun ghazali, nurul hanisah mohd.  (2017).  aplikasi kimia hijau dalam penangkapan gas karbon dioksida.  - majalah impak penyelidikan: penyelidikan translasi.  34. 

jawatankuasa kem sains 2017.  (2017).  sains pacu pembangunan negara.  - utusan malaysia.  20. 

rizafizah othaman, siti norfatihah fauzee, wan farahhanim wan fathilah.  (2017).  membran gentian hijau untuk aplikasi rawatan pome.  - majalah impak penyelidikan: penyelidikan translasi.  29. 

rizafizah othaman, lim seng joe, nurul huda abd karim, farah hannan anuar, rozida mohd khalid, teh lee peng.  (2016).  bakat malaysia: kem sains.  - nasi lemak kopi o.  . 

safiah mohamad jaafar, rozida mohd khalid, rizafizah othaman & suria ramli.  (2016).  formulation and characterization of microemulsion system using coconut oil and nonionic surfactants.  - malaysia thailand japan international conference on science and technology.  . 

alinda samsuri, fairous salleh, tengku shafazila tengku saharuddin, rizafizah othaman, and mohd. ambar yarmo.  (2015).  study on the reduction behaviour of nickel doped molybdenum trioxide by using carbon monoxide as reductant.  - 2015 apcbees kyoto conferences.  . 

alinda samsuri, tengku shafazila tengku saharuddin, fairous salleh, mohamed wahab mohamed hisham, rizafizah othaman, mohd. ambar yarmo.  (2015).  temperature programmed reduction and x-ray diffractometry studies of moo3 reduction by different concentrations of carbon monoxide.  - icasit2015 : international conference on applied sciences & industrial technology 2015.  . 

nur hasyareeda binti hassan, rizafizah binti othaman.  (2015).  probing the coordinating abilities of ionic liquids anions towards copper (ii) centres and solvatochchromic electronic transitions for biphasic catalytic application.  - .  . 

tengku shafazila tengku saharuddin, alinda samsuri, fairous salleh, rizafizah othaman, mohammad bin kassim, mohamed wahab mohamed hisham, mohd ambar yarmo.  (2015).  influence of chromium on the reduction behavior of iron oxide by using carbon monoxide: tprand kinetic studies.  - icasit2015 : international conference on applied sciences & industrial technology 2015, grand lexis port dickson.  . 

fairous salleh, tengku shafazila tengku saharuddin, alinda samsuri, rizafizah othaman, and mohd. ambar yarmo.  (2015).  effect of zirconia and nickel doping on the reduction behavior of tungsten oxide in carbon monoxide atmosphere.  - 2015 apcbees kyoto conferences.  . 

norliyana mod dan rizafizah othaman.  (2015).  preparation and characterization of epoxidized natural rubber/poly (vinylidene fluoride) (enr/pvdf) thin film compositemembrane via phase conversion and solution casting technique.  - malaysia polymer international conference 2015 (mpic 2015).  . 

nurul hanisah mohd, hanieh kargarzadeh, suria ramli, ishak ahmad, mohd ambar yarmo, rizafizah othaman.  (2015).  nanocrystalline cellulose (ncc) from oil palm empty fruit bunches fibers (opefb) as a renewable resource for smart aerogel.  - malaysia polymer international conference 2015 (mpic 2015).  . 

tengku shafazila tengku saharuddin, fairous salleh, alinda samsuri, rizafizah othaman, and mohd ambar yarmo.  (2015).  influence of noble metal (ru, os and ag) on the reduction behaviour of iron oxide using carbon monoxide: tpr and kinetic studies.  - apcbees kyoto conferences.  . 

rizafizah othaman, nurfarahein hadina ismail, mohd razali shamsuddin, norliyana mod, nur hasyareeda hassan, ibrahim abdullah.  (2014).  composite membranes for waste water treatment.  - 1st joint international seminar of science and technology (universiti kebangsaan malaysia) and faculty of engineering (gifu university)2014.  . 

siti norfatihah fauzee and rizafizah othaman.  (2013).  characterization of electrospun pvc/cellulose nanofiber and its potential as a membrane.  - program and abstracts book : 26th regional symposium malaysian analytical sciences (skam26).  . 

rizafizah othaman, yeoh lee shi, nur farahein hadina ismail, norfarhana ab. samad and mohd razali samsuddin.  (2013).  rice husk filled epoxidised natural rubber/ polyvinyl chloride (enr/pvc) membrane for treatment of waste water containing methylene blue dye.  - program and abstracts book : 26th regional symposium malaysian analytical sciences (skam26).  . 

farhan mohd nor, ibrahim abdullah, rizafizah othaman.  (2013).  effect of mgo particle loading on gas permeation properties of epoxidized natural rubber (enr) / polyvinyl chloride (pvc) membrane.  - program and abstract book : malaysia polymer international conference 2013.  . 

rizafizah othaman, khairiah haji badri, sharina abu hanifah, zuriati zakaria, yang farina abdul aziz dan rusli daik.  (2011).  program kimia jangkau luar dan impaknya kepada pelajar sekolah menengah.  - kongres pengajaran & pembelajaran ukm 2011.  .