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756 articles for “Chemical”
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Research ArticleOpen accessIn the abstractCytogenetic Analysis among Train Depot Workers Exposed to Total Volatile Organic CompoundsNormah Awang, Siti Adillah Isah, Asmah HamidOccupational exposure to toxic chemicals such as Total Volatile Organic Compounds (TVOC) from diesel engine exhaust implicates genotoxic risk. The objective of this study was to determine the DNA damage among KL Sentral depot workers exposed to TVOC by means of cytogenetic analysis. Data were obtained partially from disseminated questionnaires and buccal cells samples were collected from a total of … …OnLine Journal of Biological Sciences, Vol. 15, Issue 2 · 12 Jun 2015 · 7,446 accessesView PDFCite
Research ArticleOpen accessIn the abstractIndustrial Waste-an Economical Approach for Adsorption of Heavy Metals from Ground WaterMargherita Pettinato, Debolina Mukherjee, Silvestro Andreoli et al.A by product from steel industry mainly known as blast furnace slag is a waste product which was tested for the removal of As(III), from ground water. Steel slag is a commercial waste material mainly consisting of SiO2, Al2O3 and CaO, the former two chemicals being major components of zeolites and the latter a major component of Hydroxyapatite (HAP). Arsenic … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 1 · 10 Apr 2015 · 8,159 accessesView PDFCite
EditorialOpen accessIn the abstractON THE CHALLENGES OF THE USE AND INTEGRATION OF RENEWABLE ENERGY SOURCESMariano MartínOverview: Although renewable energy sources are plentiful, their availability is highly volatile in time and distributed across regions while and the processes that transform them into useful power or chemicals are underdeveloped. In this work we discuss on the scope for the use and integration of renewable energy sources and the future development of the alternatives. Energy, the sources and … …Energy Research Journal, Vol. 5, Issue 1 · 11 Sep 2014 · 7,543 accessesView PDFCite
Research ArticleOpen accessIn the abstractFACILE SYNTHESIS OF IN-VIVO INSECTICIDAL AND ANTIMICROBIAL EVALUATION OF BIS HETEROCYCLIC MOIETY FROM PET WASTEAsmaa Mahmoud Fahim, El Sayed Mohamed Yakout, Galal Abd ElMohein NawwarRecycling of Plastic Solid Waste (PSW) using green tool such as solar energy which used for degradation of plastic solid bottles (PET) to afford terepthalic acid which estrified using butanol/H2SO4 to afford dibutyl terephthalate as a starting material which has been chemically modified to yield new bis (1,2,4-triazole-3-thiol) 5, 1,3,4-oxadiazole 6, 8, 15, 1,3-thiazolidine 9, 1 H-pyrazole 10, 11 and … …OnLine Journal of Biological Sciences, Vol. 14, Issue 3 · 21 Aug 2014 · 7,379 accessesView PDFCite
Research ArticleOpen accessIn the abstractDESIGN OF CANDIDA ANTARCTICA LIPASE B THERMOSTABILITY IMPROVEMENT BY INTRODUCING EXTRA DISULFIDE BOND INTO THE ENZYMEUsman Sumo Friend Tambunan, Ahmad Randy, Arli Aditya ParikesitCandida Antarctica Lipase B (CALB) is extensively studied in enzymatic production of biodiesel, pharmaceutical products, detergents and other chemicals. One drawback of using CALB is its relatively low optimum temperature at 313 K (40°C). The objective of this research is to design CALB mutant with improved thermostability by introducing extra disulfide bond. Molecular dynamic simulation was conducted to get better … …OnLine Journal of Biological Sciences, Vol. 14, Issue 2 · 18 Apr 2014 · 9,495 accessesView PDFCite
Research ArticleOpen accessIn the abstractEFFECT OF DIMETHOATE (AN ORGANOPHOSPHATE INSECTICIDE) ON THE REPRODUCTIVE SYSTEM AND FERTILITY OF ADULT MALE RATFerdinand Ngoula, Pierre Watcho, Augustave Kenfack et al.The pesticides are one of the most potentially harmful chemicals liberated in the environment in an unplanned manner. Dimethoate is widely used as a potent pesticide in many countries and has been shown to produce some adverse health effects. In the present study, we investigated the effect of dimethoate (an organophosphate insecticide) on the reproductive system and fertility of male … …American Journal of Pharmacology and Toxicology, Vol. 9, Issue 1 · 13 Feb 2014 · 8,598 accessesView PDFCite
Research ArticleOpen accessIn the abstractPYROLYSIS OF EMPTY FRUIT BUNCHES: INFLUENCE OF TEMPERATURE ON THE YIELDS AND COMPOSITION OF GASEOUS PRODUCTMohamad Azri Sukiran, Loh Soh Kheang, Nasrin Abu Bakar, Choo Yuen MayWith the increasing concern on fossil fuel depletion and environmental problems, the utilization of renewable biomass resources is expected to play an important role in the future. Biomass can be converted into a variety of fuels and chemicals by different processes; one of which is pyrolysis that has been subjected to extensive research in recent years. In this study, pyrolysis … …American Journal of Applied Sciences, Vol. 11, Issue 4 · 3 Feb 2014 · 7,621 accessesView PDFCite
Research ArticleOpen accessIn the abstractNatural Fiber Reinforced Polymer Composites for Automobile AccessoriesD. Chandramohan, J. BharanichandarThe invention is an effort to utilize the advantages offered by renewable resources for the development of composite materials based on polymer and particles of natural fibers for Conservation of natural resources. In this research, natural fibers like Sisal (Agave sisalana), Banana (Musa sepientum) and Roselle (Hibiscus sabdariffa), Sisal and banana (hybrid), Roselle and banana (hybrid) and Roselle and sisal … …American Journal of Environmental Sciences, Vol. 9, Issue 6 · 17 Jan 2014 · 17,339 accessesView PDFCite
Research ArticleOpen accessIn the abstractAPIGENIN CAUSES BIOCHEMICAL MODULATION, GLUT4 AND CD38 ALTERATIONS TO IMPROVE DIABETES AND TO PROTECT DAMAGES OF SOME VITAL ORGANS IN EXPERIMENTAL DIABETESChowdhury Mobaswar Hossain, Miltu Kumar Ghosh, Bhabani Sankar Satapathy et al.Diabetes mellitus gradually leads to dysfunction and failure of some vital organs specially the eyes, kidneys, pancreas, brain, heart, liver and lungs. The study was aimed to evaluate the antidiabetic potential of apigenin and its mechanistic role in controlling damages of vital tissues in streptozotocin-induced diabetic rats. Streptozotocin-induced diabetic rats were treated with apigenin and glipizide. Various biochemical changes, GLUT4 … …American Journal of Pharmacology and Toxicology, Vol. 9, Issue 1 · 13 Jan 2014 · 15,680 accessesView PDFCite
Research ArticleOpen accessIn the abstractINVESTIGATION OF STABILITY OF KOREAN GINSENG IN HERBAL DRUG PRODUCTLatifa Bashir Babiker, Elrasheed Ahmed Gadkariem, Riyadh Mohammed Alashban, Haya Ibrahim ALjoharThis study was designed to investigate long term stability of K-Gin capsules, a herbal medication that contains korean ginseng. Stability studies ensuring the maintenance of product quality, safety and efficacy throughout the shelf life are considered as pre-requisite for the acceptance and approval of any pharmaceutical product. Conducting long term stability studies following the guidelines issued by ICH, WHO and … …American Journal of Applied Sciences, Vol. 11, Issue 1 · 18 Dec 2013 · 9,228 accessesView PDFCite