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Research ArticleOpen accessIn the abstractSynthesis of Baso4 Nanoparticles by Precipitation Method Using Polycarboxylate as a ModifierMohamed El-Shahate Ismaiel Saraya, Inas Mostafa BakrProblem statement: Barium Sulfate (BaSO4) is suitable for many applications because of its whiteness, inertness and high specific gravity. Approach: Nanoparticles of barium sulphate (BaSO4) have been synthesized from barium nitrate by precipitation method in the presence of water soluble organic polycarboxylic polymer as a modifying agent. Transmission electron microscopy, Scanning electron microscopy, Fourier transform infrared spectroscopy and X-ray powder … …Current Research in Nanotechnology, Vol. 2, Issue 1 · 29 Jul 2011 · 15,711 accessesView PDFCite
Research ArticleOpen accessIn the abstractNanocrystalline Zn0.9Mn0.1S Thin Film: Case StudiesMohammad Syuhaimi Ab-Rahman, Noor Azie Azura Mohd Arif, Abang Anuar Ehsan, Sahbudin ShaariProblem statement: The high quality of ZnS:Mn nanocrystals is important in nanotechnology industries. The perfect chemical procedure is significant to produce the best of nanocrystals. Hence, this research is concern on the good chemical method in processing manganese doped zinc sulphide nanocrystals. Approach: For the first step, Mn doped ZnS nanocrystals were synthesized by using sol gel spin coating method. … …American Journal of Applied Sciences, Vol. 8, Issue 8 · 19 Jul 2011 · 8,124 accessesView PDFCite
Research ArticleOpen accessIn the abstractFabrication of Composite Material from Sea Mussel Shells and White Clay as a Versatile SorbentSingto Sakulkhaemaruethai, Churairat Duangduen, Weraporn Pivsa-Art, Sommai Pivsa-ArtProblem statement: The removal of heavy metals contaminated in aqueous solution/wastewater has been causing worldwide concern. However, the adsorbent materials are usually limited due to their high cost and environmentally benign. To overcome the above-mentioned disadvantages, low-cost and effective adsorbents are in demand. Approach: In this study, the sea mussel shells/natural clay beads were prepared for using as low-cost sorbent … …Energy Research Journal, Vol. 1, Issue 2 · 31 Oct 2010 · 7,805 accessesView PDFCite
Research ArticleOpen accessIn the abstractFactors Affecting the Synthesis and Formation of Single-Phase Barium Hexaferrite by a Technique of Oxalate PrecursorQ. MohsenProblem statement: Barium hexaferrite (BaFe12O19), is of great importance as permanent magnets, particularly for magnetic recording as well as in microwave devices. Approach: The aim of this study was to synthesize Stoichiometric and single-phase barium hexaferrite through a technique of oxalate precursor. Effects of different Fe3+/Ba2+ mole ratio and annealing temperature on the particle size, microstructure and magnetic properties of … …American Journal of Applied Sciences, Vol. 7, Issue 7 · 31 Jul 2010 · 7,925 accessesView PDFCite
Research ArticleOpen accessIn the abstractLow-doping Effects of Nanostructure ZnO: Sn tin films annealed at different temperature in Nitrogen ambient to be applied as an Anti-reflecting coating (ARC)H. Abdullah, M.N. Norazia, S. Shaari et al.Problem statement: The focus of this research is to discover the significant influences of substituting low concentration Sn at Zn-site as an Anti-Reflecting Coating (ARC) for Zn1-xSnxO compound. The effects of tin dopants on the structural and morphology properties of ZnO thin films prepared using the sol-gel method were investigated. Approach: The effects of annealing temperature on the deposited films … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 8,616 accessesView PDFCite
Research ArticleOpen accessIn the abstractStandardization of Metal-Based Herbal MedicinesArun Sudha, V. S. Murty, T. S. ChandraProblem statement: Standardization of herbal drugs is a burning topic in herbal drug industry today. Standardization is difficult because they are usually mixtures of many constituents and the active principle in most cases is unknown. However it is possible to generate a physico-chemical fingerprint for the standardization of these drugs with reference to authentic drugs, for monitoring variation between preparations … …American Journal of Infectious Diseases, Vol. 5, Issue 3 · 30 Sep 2009 · 7,906 accessesView PDFCite
Research ArticleOpen accessIn the abstractGrowth of Bone Marrow Derived Osteoblast-Like Cells into Coral Implant Scaffold: Preliminary Study on Malaysian CoralK. A. AL-SalihiProblem statement: Biomaterial fabrication in Malaysia started as a consequence of the demand for cheaper implant materials. Various biomaterials have been developed utilizing local resources like Malaysian coral. Locally processed Malaysian coral need to be complemented with proper evaluation and testing including toxicology, biocompatibility, mechanical properties, physicochemical characterization and in vivo testing. The present study was carried out to assess … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 3 · 30 Sep 2009 · 6,593 accessesView PDFCite
Research ArticleOpen accessIn the abstractScale Formation Due to Water Injection in Malaysian Sandstone CoresAmer Badr Bin Merdhah, Abu Azam Mohd YassinProblem statement: Scale deposition is one of the most serious oil field problems that inflict water injection systems primarily when two incompatible waters are involved. Approach: This study was conducted to investigate the permeability reduction caused by deposition of calcium, strontium and barium sulphates in sandstone cores from mixing of injected Malaysian sea waters (Angsi and Barton) and formation water … …American Journal of Applied Sciences, Vol. 6, Issue 8 · 31 Aug 2009 · 7,630 accessesView PDFCite
Research ArticleOpen accessIn the abstractPreparation of WO3 Nanoparticles Using Cetyl Trimethyl Ammonium Bromide Supermolecular TemplateNilofar Asim, S. Radiman, M. Ambar bin YarmoProblem statement: WO3 is one of the most interested metal oxides because of its application as catalysts, sensors, electrochromic devices, ceramic, solar cell, pigments and so on. More investigation is needed to find the good and low cost method for preparation of WO3 nanoparticles with uniform morphology and narrow distribution using a surfactant mediated method. Approach: In this study, the … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 7,703 accessesView PDFCite
Research ArticleOpen accessIn the abstractCharacterization and Evaluation of Algaof Kaolin Deposits of Yemen for Industrial ApplicationAref A. AL-Shameri, Lei Xin RongProblem statement: The Barat-Algaof kaolin deposits are characterized and evaluated for its potentials as an industrial raw material. Approach: This research studied the total mineralogical composition of the kaolin deposit, chemical and physical properties as well as intercalation of kaolinite by urea. Using X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Laser particle size, Centrifuge, data from UK (England) kaolin standard … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 2 · 30 Jun 2009 · 7,840 accessesView PDFCite