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Dr Sharif Zein's Outputs (97)

Energy and environmental applications of carbon nanotubes (2012)
Journal Article
Tan, C. W., Tan, K. H., Ong, Y. T., Mohamed, A. R., Zein, S. H. S., & Tan, S. H. (2012). Energy and environmental applications of carbon nanotubes. Environmental chemistry letters, 10(3), 265-273. https://doi.org/10.1007/s10311-012-0356-4

Energy and environment are major global issues inducing environmental pollution problems. Energy generation from conventional fossil fuels has been identified as the main culprit of environmental quality degradation and environmental pollution. In or... Read More about Energy and environmental applications of carbon nanotubes.

Investigation into the role of NaOH and calcium ions in the synthesis of calcium phosphate nanoshells (2012)
Journal Article
Yeo, C. H., Zein, S. H., Ahmad, A. L., & McPhail, D. S. (2012). Investigation into the role of NaOH and calcium ions in the synthesis of calcium phosphate nanoshells. Brazilian journal of chemical Engineering, 29(1), 147-158. https://doi.org/10.1590/S0104-66322012000100016

Calcium phosphate (CaP) nanoshells were prepared using negatively charged liposomes (1,2-dioleoyl-sn-glycero-3-phosphate sodium salt (DOPA)) as a template by base titration synthesis at various concentrations of NaOH and calcium ions. The elemental c... Read More about Investigation into the role of NaOH and calcium ions in the synthesis of calcium phosphate nanoshells.

Influence of calcination temperature and perovskite concentration on the morphology, gas permeance and selectivity of perovskite-titania membranes (2011)
Journal Article
Ahmad, A. L., Sani, N. A. A., & Zein, S. H. S. (2011). Influence of calcination temperature and perovskite concentration on the morphology, gas permeance and selectivity of perovskite-titania membranes. Journal of ceramic science and technology an international journal reporting on the synthesis, structure and properties of ceramics, 2(1), 9-14. https://doi.org/10.4416/JCST2010-00026

Defect-free titania membranes doped with different concentrations of SrCo 0.8 Fe 0.2 O 3 perovskite were successfully prepared using a sol-gel technique combined with a wet impregnation process. The titania membranes were immersed in a perovskite so... Read More about Influence of calcination temperature and perovskite concentration on the morphology, gas permeance and selectivity of perovskite-titania membranes.

Carbon nanotubes applications: Solar and fuel cells, hydrogen storage, lithium batteries, supercapacitors, nanocomposites, gas, pathogens, dyes, heavy metals and pesticides (2011)
Book Chapter
Tan, C. W., Tan, K. H., Ong, Y. T., Mohamed, A. R., Zein, S. H. S., & Tan, S. H. (2012). Carbon nanotubes applications: Solar and fuel cells, hydrogen storage, lithium batteries, supercapacitors, nanocomposites, gas, pathogens, dyes, heavy metals and pesticides. In E. Lichtfouse, J. Schwarzbauer, & D. Robert (Eds.), Environmental Chemistry for a Sustainable World, Volume 1: Nanotechnology and Health Risk (3-46). Springer. https://doi.org/10.1007/978-94-007-2442-6_1

Energy and environment are major global issues inducing environmental pollution. Energy generation from conventional fossil fuels has been identified as the main culprit of environmental degradation from global warming effects, in addition to environ... Read More about Carbon nanotubes applications: Solar and fuel cells, hydrogen storage, lithium batteries, supercapacitors, nanocomposites, gas, pathogens, dyes, heavy metals and pesticides.

Structural and interaction properties of encapsulated Mno2 nanowires filled MWCNTs (2011)
Journal Article
Abd Razak, S. I., & Sharif Zein, S. H. (2011). Structural and interaction properties of encapsulated Mno2 nanowires filled MWCNTs. Nano, 06(05), 435-439. https://doi.org/10.1142/S1793292011002822

Uniform encapsulated MnO2 nanowires were achieved within the cavity of multiwalled carbon nanotubes (MWCNTs). The Raman spectra revealed a charge-transfer shifts between the MnO2 particles and the inner tube of MWCNTs. Thin, uniform and continuous Mn... Read More about Structural and interaction properties of encapsulated Mno2 nanowires filled MWCNTs.

Comparison of DOPA and DPPA liposome templates for the synthesis of calcium phosphate nanoshells (2011)
Journal Article
Yeo, C. H., Zein, S. H. S., Ahmad, A. L., & McPhail, D. S. (2012). Comparison of DOPA and DPPA liposome templates for the synthesis of calcium phosphate nanoshells. Ceramics international, 38(1), 561-570. https://doi.org/10.1016/j.ceramint.2011.07.044

The aim of this paper is to synthesise calcium phosphate (CaP) nanoshells by controlling their particle size and shape using negatively charged liposomes (1,2 dioleoyl-sn-glycero-3 phosphate sodium salt (DOPA) and 1,2-dipalmitoyl-sn- glycero-3-phosph... Read More about Comparison of DOPA and DPPA liposome templates for the synthesis of calcium phosphate nanoshells.

Synthesis, characterization and biodegradation of novel poly(L-lactide)/multi- walled carbon nanotube porous scaffolds for tissue engineering applications (2011)
Journal Article
Adeli, H., Zein, S. H. S., Tan, S. H., Akil, H. M., & Ahmad, A. L. (2011). Synthesis, characterization and biodegradation of novel poly(L-lactide)/multi- walled carbon nanotube porous scaffolds for tissue engineering applications. Current nanoscience, 7(3), 323-332. https://doi.org/10.2174/157341311795542552

This paper reports on the synthesis and characterization of novel poly(L-lactide)/multi-walled carbon nanotube (PLLA/MWCNT) porous scaffolds prepared by the freeze-extraction method. The obtained scaffolds showed well-distributed and interconnected p... Read More about Synthesis, characterization and biodegradation of novel poly(L-lactide)/multi- walled carbon nanotube porous scaffolds for tissue engineering applications.

Preparation and capacitive properties of nickel-manganese oxides/multiwalled carbon nanotube/poly (3,4-ethylenedioxythiophene) composite material for electrochemical supercapacitor (2011)
Journal Article
Kiamahalleh, M. V., Cheng, C. I., Sata, S. A., Bumran, S., & Zein, S. H. S. (2011). Preparation and capacitive properties of nickel-manganese oxides/multiwalled carbon nanotube/poly (3,4-ethylenedioxythiophene) composite material for electrochemical supercapacitor. Journal of applied sciences (Asian Network for Scientific Information), 11(13), 2346-2351. https://doi.org/10.3923/jas.2011.2346.2351

Nickel-manganese oxides/multiwalled carbon nanotubes/poly (3,4-ethylenedioxythiophene) (NMO/MWCNTs/PEDOT) nanocomposite was prepared by in chemical oxidation method and served as electrode material in supercapacitor. Binary nanocomposites of NMO/MWCN... Read More about Preparation and capacitive properties of nickel-manganese oxides/multiwalled carbon nanotube/poly (3,4-ethylenedioxythiophene) composite material for electrochemical supercapacitor.

The effect of interfacial bonding of calcium phosphate cements containing bio-mineralized multi-walled carbon nanotube and bovine serum albumin on the mechanical properties of calcium phosphate cements (2011)
Journal Article
Low, K. L., Zein, S. H. S., Tan, S. H., McPhail, D. S., & Boccaccini, A. R. (2011). The effect of interfacial bonding of calcium phosphate cements containing bio-mineralized multi-walled carbon nanotube and bovine serum albumin on the mechanical properties of calcium phosphate cements. Ceramics international, 37(7), 2429-2435. https://doi.org/10.1016/j.ceramint.2011.05.092

The aim of this study was to investigate the effect of adding bio-mineralized hydroxyl functionalized multi-walled carbon nanotubes (MWCNTs-OH) on the compressive strength of calcium phosphate cements (CPCs). Bovine serum albumin (BSA) was also incor... Read More about The effect of interfacial bonding of calcium phosphate cements containing bio-mineralized multi-walled carbon nanotube and bovine serum albumin on the mechanical properties of calcium phosphate cements.

Optimization of the mechanical strength properties of poly(L-lactide)/ multi-walled carbon nanotube scaffolds using response surface methodology (2011)
Journal Article
Adeli, H., Sharif Zein, S. H., Tan, S. H., & Ahmad, A. L. (2011). Optimization of the mechanical strength properties of poly(L-lactide)/ multi-walled carbon nanotube scaffolds using response surface methodology. Nano, 06(02), 113-122. https://doi.org/10.1142/S1793292011002470

In this study the response surface methodology (RSM) coupled with the central composite design (CCD) were used to optimize the mechanical strength properties of poly(L-lactide)/multi-walled carbon nanotube (MWCNT) scaffolds. The scaffolds were prepar... Read More about Optimization of the mechanical strength properties of poly(L-lactide)/ multi-walled carbon nanotube scaffolds using response surface methodology.

Synthesis of a TiO2 ceramic membrane containing SrCo 0.8Fe0.2O3 by the sol-gel method with a wet impregnation process for O2 and N2 permeation (2011)
Journal Article
Ahmad, A. L., Abdullah Sani, N. A., & Sharif Zein, S. H. (2011). Synthesis of a TiO2 ceramic membrane containing SrCo 0.8Fe0.2O3 by the sol-gel method with a wet impregnation process for O2 and N2 permeation. Ceramics international, 37(8), 2981-2989. https://doi.org/10.1016/j.ceramint.2011.03.036

A SrCo0.8Fe0.2O3 impregnated TiO2 membrane (TiO2–SrCo0.8Fe0.2O3 membrane) was successfully prepared using a sol–gel method in combination with a wet impregnation process. The membrane was subjected to a single gas permeance test using oxygen (O2) and... Read More about Synthesis of a TiO2 ceramic membrane containing SrCo 0.8Fe0.2O3 by the sol-gel method with a wet impregnation process for O2 and N2 permeation.

MnO2-filled multiwalled carbon nanotube/polyaniline nanocomposites: Effect of loading on the conduction properties and its percolation threshold (2011)
Journal Article
Abd Razak, S. I., Sharif Zein, S. H., & Ahmad, A. L. (2011). MnO2-filled multiwalled carbon nanotube/polyaniline nanocomposites: Effect of loading on the conduction properties and its percolation threshold. Nano, 06(01), 81-91. https://doi.org/10.1142/S1793292011002378

This paper reports the synthesis and characterization of ternary nanocomposites consisting of polyaniline (PANI), multiwalled carbon nanotubes (MWCNTs) and manganese dioxide (MnO2) at different MWCNT–MnO2 loadings. The composite electrical percolatio... Read More about MnO2-filled multiwalled carbon nanotube/polyaniline nanocomposites: Effect of loading on the conduction properties and its percolation threshold.

Optimization of the mechanical properties of calcium phosphate/multi-walled carbon nanotubes/bovine serum albumin composites using response surface methodology (2011)
Journal Article
Low, K. L., Tan, S. H., Zein, S. H. S., McPhail, D. S., & Boccaccini, A. R. (2011). Optimization of the mechanical properties of calcium phosphate/multi-walled carbon nanotubes/bovine serum albumin composites using response surface methodology. Materials and Design, 32(6), 3312-3319. https://doi.org/10.1016/j.matdes.2011.02.022

Response surface methodology (RSM) coupled with the central composite design (CCD) was used to optimize the mechanical properties of calcium phosphate cement/multi-walled carbon nanotubes/bovine serum albumin (CPC/MWCNTs/BSA) composites. In this stud... Read More about Optimization of the mechanical properties of calcium phosphate/multi-walled carbon nanotubes/bovine serum albumin composites using response surface methodology.

Effect of para-hydroxybenzene sulfonic acid on the properties of ine/multiwalled carbon nanotubes-MnO2 (2010)
Journal Article
Razak, S. I. A., Zein, S. H. S., & Ahmad, A. L. (2010). Effect of para-hydroxybenzene sulfonic acid on the properties of ine/multiwalled carbon nanotubes-MnO2. Nano, 5(6), 369-373. https://doi.org/10.1142/S1793292010002293

New ex situ polyaniline (PANI)/MnO 2 -filled multiwalled carbon nanotubes (MWCNTs) nanocomposites using para-hydroxybenzene sulfonic acid (PHBSA) as a dopant and linker exhibit enhanced electrical conductivity and interfacial interaction. Strong and... Read More about Effect of para-hydroxybenzene sulfonic acid on the properties of ine/multiwalled carbon nanotubes-MnO2.

Poly(3-hydroxybutyrate)-functionalised multi-walled carbon nanotubes/chitosan green nanocomposite membranes and their application in pervaporation (2010)
Journal Article
Ong, Y. T., Ahmad, A. L., Zein, S. H. S., Sudesh, K., & Tan, S. H. (2011). Poly(3-hydroxybutyrate)-functionalised multi-walled carbon nanotubes/chitosan green nanocomposite membranes and their application in pervaporation. Separation and purification technology, 76(3), 419-427. https://doi.org/10.1016/j.seppur.2010.11.013

The aim of this research was to align poly(3-hydroxybutyrate) (PHB)-functionalised multi-walled carbon nanotubes (MWCNTs) into a chitosan matrix. The MWCNTs were first functionalised with PHB and aligned into a membrane filter template through a filt... Read More about Poly(3-hydroxybutyrate)-functionalised multi-walled carbon nanotubes/chitosan green nanocomposite membranes and their application in pervaporation.

Reinforcement of calcium phosphate cement with multi-walled carbon nanotubes and bovine serum albumin for injectable bone substitute applications (2010)
Journal Article
Chew, K.-K., Low, K.-L., Sharif Zein, S. H., McPhail, D. S., Gerhardt, L.-C., Roether, J. A., & Boccaccini, A. R. (2011). Reinforcement of calcium phosphate cement with multi-walled carbon nanotubes and bovine serum albumin for injectable bone substitute applications. Journal of the mechanical behavior of biomedical materials, 4(3), 331-339. https://doi.org/10.1016/j.jmbbm.2010.10.013

This paper presents the development of novel alternative injectable calcium phosphate cement (CPC) composites for orthopaedic applications. The new CPC composites comprise β-tri-calcium phosphate (β-TCP) and di-calcium phosphate anhydrous (DCPA) mixe... Read More about Reinforcement of calcium phosphate cement with multi-walled carbon nanotubes and bovine serum albumin for injectable bone substitute applications.

Remarkable stability of supercapacitor material synthesized by manganese oxide filled in multiwalled carbon nanotubes (2010)
Journal Article
Kiamahalleh, M. V., Sata, S. A., Buniran, S., & Zein, S. H. S. (2010). Remarkable stability of supercapacitor material synthesized by manganese oxide filled in multiwalled carbon nanotubes. Current nanoscience, 6(5), 553-559. https://doi.org/10.2174/157341310797575041

Improving the electrochemical stability of manganese oxide/multiwalled carbon nanotubes (MnO 2 /MWCNTs) nanocomposites is of great importance to many electrochemical supercapacitor applications. In this study, the electrochemical properties of MnO 2... Read More about Remarkable stability of supercapacitor material synthesized by manganese oxide filled in multiwalled carbon nanotubes.

Highly efficient hybrid supercapacitor material from nickel-manganese oxides/MWCNT/PEDOT nanocomposite (2010)
Journal Article
Kiamahalleh, M. V., Cheng, C. I., Sata, S. A., Buniran, S., & Zein, S. H. S. (2010). Highly efficient hybrid supercapacitor material from nickel-manganese oxides/MWCNT/PEDOT nanocomposite. Nano, 5(3), 143-148. https://doi.org/10.1142/S1793292010002049

A novel ternary nanocomposite of nickel-manganese oxides/multi-walled carbon nanotubes (NMO/MWCNTs) coated with poly (3,4-ethylenedioxythiophene) (PEDOT) was prepared by chemical oxidation method. The filling of NMO particles inside MWCNTs and the un... Read More about Highly efficient hybrid supercapacitor material from nickel-manganese oxides/MWCNT/PEDOT nanocomposite.

A review on carbon nanotubes in an environmental protection and green engineering perspective (2010)
Journal Article
Ong, Y. T., Ahmad, A. L., Zein, S. H. S., & Tan, S. H. (2010). A review on carbon nanotubes in an environmental protection and green engineering perspective. Brazilian journal of chemical Engineering, 27(2), 227-242. https://doi.org/10.1590/S0104-66322010000200002

Recent developments in nanotechnologies have helped to benchmark carbon nanotubes (CNTs) as one of the most studied nanomaterials. By taking advantages of CNTs extraordinary physical, chemical and electronic properties, a wide variety of applications... Read More about A review on carbon nanotubes in an environmental protection and green engineering perspective.