• 229 Citations
  • 8 h-Index
20042019
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Research Output 2004 2019

  • 229 Citations
  • 8 h-Index
  • 40 Article
  • 15 Conference contribution
  • 3 Review article
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Article
2019

Cellulose-based hydrogel as Halal agricultural medium

Zainal, S. H., Nofrianti, R., Mat Lazim, M. A. S. & Othaman, R., 1 May 2019, In : Malaysian Applied Biology. 48, 2, p. 109-113 5 p.

Research output: Contribution to journalArticle

waste paper
Hydrogel
hydrocolloids
Cellulose
cellulose

Coconut oil based microemulsion formulations for hair care product application

Ja'Afar, S. M., Mohd. Khalid, R., Othaman, R., Mokhtar, W. N. A. W. & Ramli, S., 1 Mar 2019, In : Sains Malaysiana. 48, 3, p. 599-605 7 p.

Research output: Contribution to journalArticle

Open Access
Microemulsions
Polysorbates
Surface-Active Agents
Propylene Glycol
Oils

Electrospun cellulose fibres and applications

Farahhanim, W., Fathilah, W. & Othaman, R., 1 Jan 2019, In : Sains Malaysiana. 48, 7, p. 1459-1472 14 p.

Research output: Contribution to journalArticle

Open Access
cellulosic fibers
cellulose
nanofibers
chemical derivatives
biodegradability

Immobilization of choline chloride: Urea onto mesoporous silica for carbon dioxide capture

Ghazali, Z., Hassan, N. H., Yarmo, M. A., Peng, T. L. & Othaman, R., 1 Jan 2019, In : Sains Malaysiana. 48, 5, p. 1025-1033 9 p.

Research output: Contribution to journalArticle

Open Access
Choline
Carbon Dioxide
Silicon Dioxide
Urea
Adsorbents

Pemencilan komponen rotundona terbaharu daripada akar croton hirtus (euphorbiaceae)

Translated title of the contribution: Isolation of new rotundone from the roots of croton hirtus (Euphorbiaceae)Rosandy, A. R., Azman, A. A., Mohd. Khalid, R., Othaman, R., Mat Lazim, M. A. S., Choudary, I. M., Syah, Y. M., Latip, J., Said, I. M. & Abu Bakar, M., 1 Aug 2019, In : Malaysian Journal of Analytical Sciences. 23, 4, p. 677-681 5 p.

Research output: Contribution to journalArticle

Thin layer chromatography
Column chromatography
Benzoates
Phytochemicals
Chromatography

Penggunaan pelarut eutektik dalam (DES) sebagai porogen dalam fabrikasi turus kapilari monolitik polimerik

Translated title of the contribution: Utilization of deep eutectic solvent (DES) as porogen in the fabrication of polymeric monolithic capillary columnSuhaili, N., Lim, L. W., Toyohide, T. & Othaman, R., 1 Aug 2019, In : Malaysian Journal of Analytical Sciences. 23, 4, p. 667-676 10 p.

Research output: Contribution to journalArticle

Eutectics
Fabrication
Polycyclic Aromatic Hydrocarbons
Hydrogen bonds
Urea
2018
1 Citation (Scopus)

Diterpenoid-diterpenoid terbaharu daripada akar Croton hirtus (Euphorbiaceae)

Translated title of the contribution: New diterpenoids from the roots of Croton hirtus (Euphorbiaceae)Rosandy, A. R., Azman, A. A., Mohd. Khalid, R., Othaman, R., Mat Lazim, M. A. S., Choudary, I. M., Syah, Y. M., Latip, J., Said, I. M. & Abu Bakar, M., 1 Feb 2018, In : Malaysian Journal of Analytical Sciences. 22, 1, p. 64-71 8 p.

Research output: Contribution to journalArticle

Diterpenes
Complex Mixtures
Thin layer chromatography
Column chromatography
Chemical compounds

Effects of soaking in glycerol and conventional solvents on the grinding of kempas wood (Koompassia malaccensis)

Loh, P. L., Ghani, N. A. A., Suhaili, N., Othman, Z. S., Usop, M. R., Othaman, R. & Hassan, N. H., 1 Jun 2018, In : Sains Malaysiana. 47, 6, p. 1123-1129 7 p.

Research output: Contribution to journalArticle

grinding
soaking
glycerol
particle size
energy use and consumption
rubber
cellulose
mill
effluent
membrane
4 Citations (Scopus)

Impact of purification on iota carrageenan as solid polymer electrolyte

Ghani, N. A. A., Othaman, R., Ahmad, A., Anuar, F. H. & Hassan, N. H., 1 Jan 2018, (Accepted/In press) In : Arabian Journal of Chemistry.

Research output: Contribution to journalArticle

Carrageenan
Electrolytes
Purification
Polymers
Powders

Najis (Tinja) manusia daripada perspektif sains dan islam serta amalan pemakanan sunnah

Translated title of the contribution: Human stool from science and islam perspective and sunnah dietary practicesMohd Kashim, M. I. A., Hasim, N. A., Othaman, R., Mohd. Khalid, R., Samsudin, M. A., Yahaya, M. Z., Abdul Manaf, Z., Amin, L. & Zin, D. M. M., 1 Jun 2018, In : Sains Malaysiana. 47, 6, p. 1227-1234 8 p.

Research output: Contribution to journalArticle

digestive system
diet
odor
food
religion

Synthesis and thermal properties of Poly(ethylene glycol)-polydimetylsiloxane crosslinked copolymers

Zainuddin, A. A., Othaman, R., Noor, W. S. A. W. M., Akiyoshi, T., Shinya, T. & Anuar, F. H., 1 Jun 2018, In : Sains Malaysiana. 47, 6, p. 1117-1122 6 p.

Research output: Contribution to journalArticle

Polyethylene glycols
Thermodynamic properties
Copolymers
Glycerol
Isocyanates
1 Citation (Scopus)
Permeation
Activated carbon
Polyethylene glycols
Fillers
Molecular weight
2017

Kesan penambahan rodium terhadap tindak balas penurunan ferum oksida di dalam atmosfera karbon monoksida

Translated title of the contribution: Effect of rhodium additive on the reduction behaviour of iron oxide in carbon monoxide atmosphereSaharuddin, T. S. T., Salleh, F., Samsuri, A., Dzakaria, N., Othaman, R., Kassim, M., Mohammad Hisham, M. W. & Yarmo, M. A., 1 Aug 2017, In : Malaysian Journal of Analytical Sciences. 21, 4, p. 907-913 7 p.

Research output: Contribution to journalArticle

Rhodium
Carbon Monoxide
Spectroscopy
X ray diffraction
Temperature
11 Citations (Scopus)

Pencirian kimia dan fizikal bagi tandan kosong buah kelapa sawit

Translated title of the contribution: Chemical and physical characterization of oil palm empty fruit bunchRosli, N. S., Harun, S., Md Jahim, J. & Othaman, R., 1 Feb 2017, In : Malaysian Journal of Analytical Sciences. 21, 1, p. 188-196 9 p.

Research output: Contribution to journalArticle

Palm oil
Fruits
Bioconversion
Lignin
Ashes
4 Citations (Scopus)

Plasma darah dalam makanan daripada perspektif Islam dan sains

Translated title of the contribution: Blood plasma in food from Islam and science perspectivesMohd Kashim, M. I. A., Hasim, N. A., Othaman, R., Yahaya, M. Z., Mohd. Khalid, R., Samsudin, M. A. & Mat Zin, D. M., 1 Oct 2017, In : Sains Malaysiana. 46, 10, p. 1779-1787 9 p.

Research output: Contribution to journalArticle

Islam
Food Technology
Food
Blood Proteins
Fat Substitutes
2016

Ciri fizikokimia filem boleh makan dan filem polietilena bagi ubi keledek (Ipomoea batatas) goreng

Translated title of the contribution: Physicochemical properties of edible films and polyetylene film on fried sweet potatoes (Ipomoea batatas)Othaman, R., Fuad, K. A., Nor, F. M. & Mohd. Khalid, R., 1 Dec 2016, In : Sains Malaysiana. 45, 12, p. 1939-1945 7 p.

Research output: Contribution to journalArticle

edible films
Ipomoea batatas
sweet potatoes
methylcellulose
films (materials)
12 Citations (Scopus)

Effect of Aminosilane Modification on Nanocrystalline Cellulose Properties

Mohd, N. H., Ismail, N. F. H., Zahari, J. I., Wan Fathilah, W. F. B., Kargarzadeh, H., Ramli, S., Ahmad, I., Yarmo, M. A. & Othaman, R., 2016, In : Journal of Nanomaterials. 2016, 4804271.

Research output: Contribution to journalArticle

Cellulose
Fourier transform infrared spectroscopy
Biodegradability
Fruits
Chemical analysis
2 Citations (Scopus)

Kajian penurunan suhu berprogram dan pembelauan sinar-X terhadap penurunan MoO3 menggunakan kepekatan karbon monoksida berbeza

Translated title of the contribution: Temperature programmed reduction and X-ray diffractometry studies of MoO3 reduction by different concentrations of carbon monoxideSamsuri, A., Saharuddin, T. S. T., Salleh, F., Othaman, R., Hisham, M. W. M. & Yarmo, M. A., 2016, In : Malaysian Journal of Analytical Sciences. 20, 2, p. 382-387 6 p.

Research output: Contribution to journalArticle

Carbon Monoxide
X ray diffraction analysis
Temperature
Spectroscopy
molybdenum trioxide

Kelakuan penurunan tungsten dioksida oleh kepekatan karbon monoksida yang berbeza

Translated title of the contribution: Reduction behaviour of tungsten dioxide by various concentration of carbon monoxideSalleh, F., Samsuri, A., Saharuddin, T. S. T., Hisham, M. W. M., Othaman, R. & Yarmo, M. A., 2016, In : Malaysian Journal of Analytical Sciences. 20, 6, p. 1510-1514 5 p.

Research output: Contribution to journalArticle

Tungsten
Carbon Monoxide
X ray diffraction analysis
Tungsten carbide
Temperature

Pengaruh kromium terhadap kelakuan penurunan ferik oksida dengan menggunakan karbon monoksida: Kajian penurunan suhu berprogram dan kinetik

Translated title of the contribution: Influence of chromium on the reduction behavior of ferric oxide by using carbon monoxide: Temperature programmed reduction and kinetic studiesTengku Saharuddin, T. S., Samsuri, A., Salleh, F., Kassim, M., Othaman, R., Mohamed Hisham, M. W. & Yarmo, M. A., 2016, In : Malaysian Journal of Analytical Sciences. 20, 3, p. 531-538 8 p.

Research output: Contribution to journalArticle

Chromium
Carbon Monoxide
Kinetics
Temperature
Activation energy
1 Citation (Scopus)

Penyediaan dan pencirian membran komposit getah asli terepoksida (ENR) / poli (vinilinida fluorida) (PVDF) (ENR/PVDF)

Translated title of the contribution: Preparation and characterization of epoxidised natural rubber (ENR)/poly (vinylidene fluoride) (PVDF) (ENR/PVDF) composite membraneMod, N., Anuar, F. H. & Othaman, R., 2016, In : Malaysian Journal of Analytical Sciences. 20, 5, p. 1090-1094 5 p.

Research output: Contribution to journalArticle

Composite membranes
Rubber
Membranes
Casting
Electron microscopes
2 Citations (Scopus)

Permeability of carbon dioxide and nitrogen gases through SiO2 and MgO incorporated ENR/PVC membranes

Nor, F. M., Abd Karim, N. H., Abdullah, I. & Othaman, R., 1 Oct 2016, In : Journal of Elastomers and Plastics. 48, 6, p. 483-498 16 p.

Research output: Contribution to journalArticle

Magnesium Oxide
Magnesia
Rubber
Polyvinyl Chloride
Carbon Dioxide
2015
3 Citations (Scopus)

Effects of MgO particle loading on gas permeation properties of epoxidized natural rubber (ENR) / polyvinyl chloride (PVC) membrane

Mohd Nor, F. & Othaman, R., 1 Jun 2015, In : Sains Malaysiana. 44, 6, p. 875-881 7 p.

Research output: Contribution to journalArticle

Rubber
Polyvinyl Chloride
Permeation
Gases
Membranes
1 Citation (Scopus)
Aerogels
Rubber
rubber
Polyvinyl Chloride
Physical properties
1 Citation (Scopus)

Pengubahsuaian sisa kelapa sawit sebagai bahan penjerap efluen kilang kelapa sawit (POME)

Translated title of the contribution: Modification of oil palm plantation wastes as oil adsorbent for palm oil mill effluent (POME)Jahi, N., Ling, E. S., Othaman, R. & Ramli, S., 2015, In : Malaysian Journal of Analytical Sciences. 19, 1, p. 31-40 10 p.

Research output: Contribution to journalArticle

Palm oil
Adsorbents
Effluents
Oils
lauric acid
11 Citations (Scopus)
carbopol 940
Hydrogel
Methylene Blue
Hydrogels
Sorption
9 Citations (Scopus)

Studies on reduction of chromium doped iron oxide catalyst using hydrogen and various concentration of carbon monoxide

Saharuddin, T. S. T., Samsuri, A., Salleh, F., Othaman, R., Kassim, M., Mohamed Hisham, M. W. & Yarmo, M. A., 26 Oct 2015, (Accepted/In press) In : International Journal of Hydrogen Energy.

Research output: Contribution to journalArticle

Iron oxides
iron oxides
Carbon monoxide
carbon monoxide
chromium
2014
3 Citations (Scopus)
Rubber
Polyvinyl Chloride
Polyvinyl chlorides
Casting
Thin films
4 Citations (Scopus)

Sintesis hidrogel berasaskan Nata de Coco dengan asid akrilik sebagai ko-monomer menggunakan kaedah pempolimeran radikal bebas

Translated title of the contribution: Synthesis of hydrogel based on Nata de Coco and acrylic acid as co-monomer using free radical polymerization methodLiew, M., Othaman, R., Mohd. Khalid, R., Mohd Amin, M. C. I. & Mat Lazim, M. A. S., 2014, In : Malaysian Journal of Analytical Sciences. 18, 2, p. 299-305 7 p.

Research output: Contribution to journalArticle

Hydrogel
Free radical polymerization
Cellulose
Monomers
Acetobacter

Study of geometrical effect of sample cell on nitrite determination

Abubakar, S., Arsad, N., Ab Rahman, M. S., Ehsan, A. A., Shaari, S. & Othaman, R., 1 Nov 2014, In : Journal of Optoelectronics and Advanced Materials. 16, 11-12, p. 1487-1492 6 p.

Research output: Contribution to journalArticle

nitrites
Nitrites
Geometry
injection
cells
2013

Editorial

Othaman, R., 2013, In : International Journal of Materials Engineering Innovation. 4, 3-4, p. 213 1 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Effects of silica on the formation of epoxidised natural rubber/polyvinyl chloride membrane

Jon, N., Abdullah, I. & Othaman, R., Apr 2013, In : Sains Malaysiana. 42, 4, p. 469-473 5 p.

Research output: Contribution to journalArticle

Rubber
Polyvinyl Chloride
Silicon Dioxide
Membranes
Powders
11 Citations (Scopus)

Influence of silica addition on the properties of epoxidised natural rubber/polyvinyl chloride composite membrane

Jon, N., Samad, N. A., Abdullah, N. A., Abdullah, I. & Othaman, R., 5 Sep 2013, In : Journal of Applied Polymer Science. 129, 5, p. 2789-2795 7 p.

Research output: Contribution to journalArticle

Composite membranes
Rubber
Polyvinyl Chloride
Polyvinyl chlorides
Silicon Dioxide
2 Citations (Scopus)

Influence of solvent and drop distance on the formation of ENR/PVC/silica aerogel beads

Abdullah, N. A., Abdullah, I. & Othaman, R., 2013, In : International Journal of Materials Engineering Innovation. 4, 3-4, p. 269-280 12 p.

Research output: Contribution to journalArticle

Aerogels
Rubber
Polyvinyl Chloride
Polyvinyl chlorides
Silicon Dioxide
1 Citation (Scopus)

Modification of cellulose by polymethyl methacrylate grafting for membrane applications

Razali Shamsuddin, M., Norfatihah Fauzee, S., Anuar, F. H., Abdullah, I. & Othaman, R., 2013, In : Jurnal Teknologi (Sciences and Engineering). 65, 2, p. 47-53 7 p.

Research output: Contribution to journalArticle

Polymethyl methacrylates
Cellulose
Membranes
Composite membranes
Diffractometers
2012
2 Citations (Scopus)

Preparation of activated carbon from coconut shell to remove aluminum and manganese in drinking water

Ghazali, Z., Othaman, R. & Abdullah, M. P., 2012, In : Advances in Natural and Applied Sciences. 6, 8, p. 1307-1312 6 p.

Research output: Contribution to journalArticle

Cocos
activated carbon
coconuts
Manganese
Aluminum
2008

Thermal treatment of wood residues and effective utilization of its products to improve rubbberwood manufacturing process

Othaman, R., Lim, K. G., Konishi, S., Sato, M., Shi, N. & Egashira, R., 2008, In : Journal of Chemical Engineering of Japan. 41, 12, p. 1149-1158 10 p.

Research output: Contribution to journalArticle

Activated carbon
Wood
Heat treatment
Acids
Sawdust
2004
96 Citations (Scopus)

Potential use of nanofiltration membranes in treatment of industrial wastewater from Ni-P electroless plating

Mohammad, A. W., Othaman, R. & Hilal, N., 15 Aug 2004, In : Desalination. 168, 1-3, p. 241-252 12 p.

Research output: Contribution to journalArticle

Nanofiltration membranes
Electroless plating
Wastewater
Ions
membrane