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29 results for “Arsenic”
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Research ArticleOpen accessEvery word in the titleMetabolite Profiles of Arsenic Tolerant Plants Regenerated from Stem Calli of Andrographis paniculata (Burm.f.) Nees using HPLC and 1D 1H NMRJ. Vijayakumar, P. Ponmanickam, P. Samuel et al.In vitro culture provide a suitable condition for regeneration of arsenic tolerant plants from stem calli of Andrographis paniculata (Burm.f.) Nees. The regenerated plants could be valuable material applicable to soil remediation. In vitro culture of stem explants on MS basal salts, 3.0% sucrose, 0.8% agar medium fortified with various concentrations of As2O3 (0.0-9.0 µM) along with NAA (3.5 mg … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 4 · 27 Oct 2017 · 7,865 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSpeciation of Arsenic Across Water-Sediment Interface of Falgu RiverRajeeva Ranjan, Rekha Rani, Ashay Bavishi et al.Two predominant species of arsenic compounds, As(III) and As(V), are found in soils and natural water and they have been classified as carcinogens. The focus of the present study was to examine the speciation of Arsenic (As) across the water-sediment interface at the confluence of drainage for Gaya city and the Falgu River. Gas Chromatography (GC) coupled to Inductively Coupled … …American Journal of Environmental Sciences, Vol. 8, Issue 6 · 31 Dec 2012 · 6,873 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleASSESSMENT OF SURFACE WATER QUALITY IN AN ARSENIC CONTAMINATED VILLAGEKumud C. Saikia, Susmita GuptaArsenic contamination of ground water has occurred in various parts of the world, becoming a menace in the Ganga-Meghna-Brahmaputra basin (West Bengal and Assam in India and Bangladesh). Recently arsenic has been detected in Cachar and Karimganj districts of barak valley, Assam, bordering Bangladesh. In this area coli form contamination comprises the major constraint towards utilization of its otherwise ample … …American Journal of Environmental Sciences, Vol. 8, Issue 5 · 31 Aug 2012 · 7,517 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleArsenic and Antimony Content in Soil and Plants from Baia Mare Area, RomaniaGabriela Oprea, Angela Michnea, Cristina Mihali et al.Problem statement: The objective of this research was to evaluate the degree of soil contamination with arsenic and antimony in Baia Mare, a nonferrous mining and metallurgical center located in the North West region of Romania. The soil in the area is affected by the emissions of powders containing metals from metallurgical factories. Previous studies indicated the soil contamination with … …American Journal of Environmental Sciences, Vol. 6, Issue 1 · 28 Feb 2010 · 7,773 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePresence of Arsenic in Commercial BeveragesJason Roberge, Andrew T. Abalos, Julia M. Skinner et al.Problem statement: This study’s goal was to assess the arsenic concentration of various beverages and broths purchased from a local chain supermarket. A source of chronic arsenic exposure occurs via food and beverage consumption. Groundwater levels of total arsenic are regulated (<10 μg L-1) by the Environmental Protection Agency (EPA) but few studies have examined arsenic concentrations in common beverages. … …American Journal of Environmental Sciences, Vol. 5, Issue 6 · 31 Dec 2009 · 8,348 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleArsenic Adsorption on Bauxite Mineral Using Batch Equilibrium TestFares Yahay Alshaebi, Wan Zuhairi Wan Yaacob, Abdul Rahim Samsudin, Esmail AlsabahiProblem statement: Study suggested a solution to remove arsenic contamination from contaminated water. Approach: Bauxite, which is a mineral, was proposed as natural remediation material used in this study. Bauxite was collected from Johor mining company in Teluk Ramunia, Johor Bharu, Malaysia. Batch equilibrium test was performed in accordance to different initial concentrations, shaking time and different initial pH values. … …American Journal of Applied Sciences, Vol. 6, Issue 10 · 31 Oct 2009 · 6,836 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleBioaccumulation of Arsenic by FungiAdemola O. AdeyemiProblem statement: Arsenic is a known toxic element and its presence and toxicity in nature is a worldwide environmental problem. The use of microorganisms in bioremediation is a potential method to reduce as concentration in contaminated areas. Approach: In order to explore the possible bioremediation of this element, three filamentous fungi-Aspergillus niger, Serpula himantioides and Trametes versicolor were investigated for … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,890 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOCCURRENCE OF ARSENIC, LEAD, THALLIUM AND BERYLLIUM IN GROUNDWATERAbdul A.J. Mohamed, Ibrahim Abdul Rahman, Sadri A. Said, Lee H. LimThe occurrence of carcinogenic and heavy metals in groundwater sources in Urban-west region of Zanzibar Island is an issue that is not very well known. This could be also coupled with the absence of drinking water treatment plants. This study for the first time reports on the occurrence and the levels of three carcinogenic metals-Arsenic (As), Beryllium (Be) and lead … …American Journal of Environmental Sciences, Vol. 10, Issue 2 · 11 Apr 2014 · 7,906 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleArsenic, Nickel and Iron Concentration levels in Water Samples from Hand-Dug Wells from Ugbe AkokoO.M. Afolabi, I.R. Ajayi, R.S. Fayose et al.Problem statement: The concentration of Arsenic, Nickel and Iron from twenty water samples from Ugbe Akoko in Ondo state, Nigeria was determined with atomic absorption spectrometer and conductivity meter. Approach: The aims are to determine the level of concentration of the three heavy metals in the well water, the relationship between the WHO reference standard for pure water and the … …American Journal of Applied Sciences, Vol. 8, Issue 2 · 28 Feb 2011 · 7,624 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCHARACTERIZATION OF OIL PALM EMPTY FRUIT BUNCH AND RICE HUSK BIOCHARS AND THEIR POTENTIAL TO ADSORB ARSENIC AND CADMIUMNorazlina Abu Sari, Che Fauziah Ishak, Rosenani Abu BakarBiochar as a new soil amendment has a potential in controlling the fate of trace elements in the soil system. However, the production of biochar from different feedstocks and pyrolysis conditions resulted in variable biochar properties which have an influence on trace elements availability. The experimental works are focused on physical and chemical properties of biochars produced from Empty Fruit … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 3 · 13 Aug 2014 · 10,585 accessesView PDFCite