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Carbon Nanotubes: Next-Generation Nanomaterials for Clean Water Technologies (2014)
Book Chapter
Ong, Y. T., Yee, K. F., Yeang, Q. W., Zein, S. H. S., & Tan, S. H. (2014). Carbon Nanotubes: Next-Generation Nanomaterials for Clean Water Technologies. In B. I. Kharisov, O. V. Kharissova, & H. R. Dias (Eds.), Nanomaterials for Environmental Protection (125-142). Hoboken, NJ: John Wiley and Sons. https://doi.org/10.1002/9781118845530.ch8

© 2014 John Wiley & Sons, Inc. Substantial progress and breakthroughs have been achieved for nanomaterials because of their nanometer size. Carbon nanotubes (CNTs), a type of nanomaterial, have received considerable interest worldwide because of th... Read More about Carbon Nanotubes: Next-Generation Nanomaterials for Clean Water Technologies.

Green tea polyphenol-reduced graphene oxide: derivatisation, reduction efficiency, reduction mechanism and cytotoxicity (2014)
Journal Article
Abdullah, M. F., Zakaria, R., & Zein, S. H. S. (2014). Green tea polyphenol-reduced graphene oxide: derivatisation, reduction efficiency, reduction mechanism and cytotoxicity. RSC advances, 4(65), 34510-34518. https://doi.org/10.1039/c4ra04292a

This paper reports on the derivatisation, reduction efficiency, reduction mechanism and cytotoxicity of green tea polyphenol-reduced graphene oxide (GTP-RGO). The reduction of graphene oxide (GO) at 90°C using a weight ratio (WR) of GTP/GO=1 resulted... Read More about Green tea polyphenol-reduced graphene oxide: derivatisation, reduction efficiency, reduction mechanism and cytotoxicity.

Future scope and directions of nanotechnology in creating next-generation supercapacitors (2014)
Book Chapter
Kiamahalleh, M. V., & Zein, S. H. S. (2014). Future scope and directions of nanotechnology in creating next-generation supercapacitors. In Nanostructured Ceramic Oxides for Supercapacitor Applications (153-190). Boca Raton, FL, USA: CRC Press. https://doi.org/10.1201/b16522-10

The primary global research scheme of the 21st century is nanotechnology. Looking forward to the future, nanotechnologies’ generalized diffusion will seem to turn them into supplies, generating more space for privileged and superior values of applica... Read More about Future scope and directions of nanotechnology in creating next-generation supercapacitors.

A cellulose acetate/multi-walled carbon nanotube mixed matrix membrane for CO2/N2separation (2013)
Journal Article
Ahmad, A. L., Jawad, Z. A., Low, S. C., & Zein, S. H. (2014). A cellulose acetate/multi-walled carbon nanotube mixed matrix membrane for CO2/N2separation. Journal of membrane science, 451, 55-66. https://doi.org/10.1016/j.memsci.2013.09.043

Carbon dioxide (CO 2 ) emissions have been rising indiscriminately and are becoming a major contributor to Earth's greenhouse effect. One of the most promising means of separating the hazardous CO 2 gas is to develop a cost effective and high-perform... Read More about A cellulose acetate/multi-walled carbon nanotube mixed matrix membrane for CO2/N2separation.

Facile Synthesis of Silver Nanoparticles by Chemical Reduction Route (2013)
Journal Article
Ratnamalar, R., Mariatti, M., Ahmad, Z., & Zein, S. (2013). Facile Synthesis of Silver Nanoparticles by Chemical Reduction Route. Materials Science Forum, 756, 99-105. https://doi.org/10.4028/www.scientific.net/msf.756.99

This work reports a simple chemical reduction route for the preparation of uniformed Ag nanoparticles whereby a fine control over the sizes of the Ag nanoparticles was studied by varying the concentrations of the reducing agents used. In characteriza... Read More about Facile Synthesis of Silver Nanoparticles by Chemical Reduction Route.

Nanophase Hydroxyapatite as a biomaterial in advanced hard tissue engineering: A review (2013)
Journal Article
Zakaria, S. M., Sharif Zein, S. H., Othman, M. R., Yang, F., & Jansen, J. A. (2013). Nanophase Hydroxyapatite as a biomaterial in advanced hard tissue engineering: A review. Tissue Engineering: Parts A, B, and C, 19(5), 431-441. https://doi.org/10.1089/ten.teb.2012.0624

Hydroxyapatite is a biocompatible material that is extensively used in the replacement and regeneration of bone material. In nature, nanostructured hydroxyapatite is the main component present in hard body tissues. Hence, the state of the art in nano... Read More about Nanophase Hydroxyapatite as a biomaterial in advanced hard tissue engineering: A review.

Comparison of the pervaporation performance of various types of carbon nanotube-based nanocomposites in the dehydration of acetone (2013)
Journal Article
Yeang, Q. W., Zein, S. H. S., Sulong, A. B., & Tan, S. H. (2013). Comparison of the pervaporation performance of various types of carbon nanotube-based nanocomposites in the dehydration of acetone. Separation and purification technology, 107, 252-263. https://doi.org/10.1016/j.seppur.2013.01.031

The present work focuses on the functionalisation of multi-walled carbon nanotubes (MWCNTs) with poly(vinyl alcohol) (PVA) in order to improve the compatibility and dispersion of MWCNTs in a chitosan (CS) matrix. The resultant PVA-MWCNT/CS nanocompos... Read More about Comparison of the pervaporation performance of various types of carbon nanotube-based nanocomposites in the dehydration of acetone.

The Functionalization of Beta-Cyclodextrins on Multi Walled Carbon Nanotubes: Effects of the Dispersant and Non Aqueous Media (2013)
Journal Article
Latif Ahmad, A., Abbas Jawad, Z., Chun Low, S., & Hussein Sharif Zein, S. (2013). The Functionalization of Beta-Cyclodextrins on Multi Walled Carbon Nanotubes: Effects of the Dispersant and Non Aqueous Media. Current nanoscience, 9(1), 93-102. https://doi.org/10.2174/1573413711309010015

Sidewall functionalization by chemical agents can improve the dispersion of carbon nanotubes (CNTs), but the improvement is at the expense of their properties and structure. An environmentally friendly dispersant, cyclodextrins (CD), was revealed as... Read More about The Functionalization of Beta-Cyclodextrins on Multi Walled Carbon Nanotubes: Effects of the Dispersant and Non Aqueous Media.

Cytocompatibility, bioactivity and mechanical strength of calcium phosphate cement reinforced with multi-walled carbon nanotubes and bovine serum albumin (2012)
Journal Article
Gholami, F., Zein, S. H. S., Gerhardt, L. C., Low, K. L., Tan, S. H., McPhail, D. S., …Boccaccini, A. R. (2013). Cytocompatibility, bioactivity and mechanical strength of calcium phosphate cement reinforced with multi-walled carbon nanotubes and bovine serum albumin. Ceramics international, 39(5), 4975-4983. https://doi.org/10.1016/j.ceramint.2012.11.094

This paper reports on the in vitro cytotoxicity, bioactivity behaviour and mechanical properties of novel injectable calcium phosphate cement filled with hydroxylated multi-walled carbon nanotubes and bovine serum albumin (CPC/MWCNT-OH/BSA). To predi... Read More about Cytocompatibility, bioactivity and mechanical strength of calcium phosphate cement reinforced with multi-walled carbon nanotubes and bovine serum albumin.

The electrochemical studies of the corrosion resistance behaviour of hydroxyapatite coatings on stainless steel fabricated by electrophoretic deposition (2012)
Journal Article
Chew, K. K., Zein, S. H. S., Ahmad, A. L., McPhail, D. S., & Abdullah, M. F. (2013). The electrochemical studies of the corrosion resistance behaviour of hydroxyapatite coatings on stainless steel fabricated by electrophoretic deposition. Journal of Industrial and Engineering Chemistry, 19(4), 1123-1129. https://doi.org/10.1016/j.jiec.2012.12.008

HA was coated on stainless steel (SS) 316L by using electrophoretic deposition to impart corrosion resistance upon SS 316L. Consequently, corrosion behaviour of HA coated SS 316L deposited from applied voltages 10. V to 60. V (denoted as HA/SS316L-10... Read More about The electrochemical studies of the corrosion resistance behaviour of hydroxyapatite coatings on stainless steel fabricated by electrophoretic deposition.

Hydroxyapatite nanoparticles: Electrospinning and calcination of hydroxyapatite/polyvinyl butyral nanofibers and growth kinetics (2012)
Journal Article
Zakaria, S. M., Sharif Zein, S. H., Othman, M. R., & Jansen, J. A. (2013). Hydroxyapatite nanoparticles: Electrospinning and calcination of hydroxyapatite/polyvinyl butyral nanofibers and growth kinetics. Journal of biomedical materials research. Part A, 101A(7), 1977-1985. https://doi.org/10.1002/jbm.a.34506

Electrospinning of hydroxyapatite (HA)/polyvinyl butyral solution resulted in the formation of fibers with average diameter of 937-1440 nm. These fibers were converted into HA nanoparticles with size < 100 nm after undergoing calcination treatment a... Read More about Hydroxyapatite nanoparticles: Electrospinning and calcination of hydroxyapatite/polyvinyl butyral nanofibers and growth kinetics.

Multiwalled carbon nanotubes based nanocomposites for supercapacitors: A review of electrode materials (2012)
Journal Article
Kiamahalleh, M. V., Zein, S. H. S., Najafpour, G., Sata, S. A., & Buniran, S. (2012). Multiwalled carbon nanotubes based nanocomposites for supercapacitors: A review of electrode materials. Nano, 7(2), Article 1230002. https://doi.org/10.1142/S1793292012300022

Electrode materials are the most important factors to verify the properties of the electrochemical supercapacitor. In this paper, the storage principles and characteristics of electrode materials, including carbon-based materials, transition metal ox... Read More about Multiwalled carbon nanotubes based nanocomposites for supercapacitors: A review of electrode materials.

Corrosion resistance study of electrophoretic deposited hydroxyapatite on stainless steel for implant applications (2012)
Journal Article
Chew, K. K., Zein, S. H. S., Ahmad, A. L., McPhail, D. S., & Boccaccini, A. R. (2012). Corrosion resistance study of electrophoretic deposited hydroxyapatite on stainless steel for implant applications. Key engineering materials, 507, 141-146. https://doi.org/10.4028/www.scientific.net/KEM.507.141

Stainless steel (SS) is often used for orthopaedic and dental implants because of its excellent mechanical characteristics. However, from an electrochemical perspective, SS can be susceptible to corrosion-related problems. Inorganic bioactive coating... Read More about Corrosion resistance study of electrophoretic deposited hydroxyapatite on stainless steel for implant applications.

The optimization of electrical conductivity using central composite design for polyvinyl alcohol/multiwalled carbon nanotube-manganese dioxide nanofiber composites synthesised by electrospinning (2012)
Journal Article
Zamri, M. F. M. A., Zein, S. H. S., Abdullah, A. Z., & Basir, N. I. (2012). The optimization of electrical conductivity using central composite design for polyvinyl alcohol/multiwalled carbon nanotube-manganese dioxide nanofiber composites synthesised by electrospinning. Journal of applied sciences (Asian Network for Scientific Information), 12(4), 345-353. https://doi.org/10.3923/jas.2012.345.353

This research reports the characterization and statistical analysis of electrical conductivity optimization for polyvinyl alcohol (PVA)/multiwalled carbon nanotube (MWCNT)-manganese dioxide (MnO 2 ) nanofiber composite. The Central Composite Design (... Read More about The optimization of electrical conductivity using central composite design for polyvinyl alcohol/multiwalled carbon nanotube-manganese dioxide nanofiber composites synthesised by electrospinning.

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). Dordrecht: 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.