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8 articles for “Reference sediment”
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Research ArticleOpen accessPhrase in the titleToxicity of Reference Sediment SamplesK. R. Beg, S. AliThis study was done to determine toxicity of certified reference sediment to be used for quality assurance in sediment toxicity testing program. Certified Reference Harbor Sediment (HS-4B for PAHs) and Estuarine Sediment (LGC-6137 for Trace Metals) were procured commercially from LGC Company, UK, and repeatedly analyzed against solid phase Microtox toxicity assay to determine EC50 values. Both PAHs rich and … …American Journal of Environmental Sciences, Vol. 4, Issue 4 · 31 Aug 2008 · 6,718 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMicrotox Toxicity Assay for the Sediment Quality Assessment of Ganga RiverK.R. Beg, S. AliThe objective of this study was to determine the sediment quality assessment of Ganga River at Kanpur city where effluents from tannery industries are discharged. Sediment samples from control, upstream and downstream area were collected and analyzed for bacterial toxicity bioassay along with a reference sediment (LGC6137). The control samples collected from the point of origin of Ganga River at … …American Journal of Environmental Sciences, Vol. 4, Issue 4 · 31 Aug 2008 · 6,614 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnalysis of the Impact of Acidity and Alkalinity on the Microbial Community Structure in Urban RiversDongmei Shen, Cairui Yu, Xinwei Song et al.To address the impact of low-temperature pH on the microbial community structure of river sediment in urban rivers during winter, the sediment of the Pi River was sampled to investigate. Four experimental samples were designed by varying the pH to 5.0, 7.0, and 8.5 based on the original sample (pH = 5.5) and the characteristics of the microbial community were … …American Journal of Biochemistry and Biotechnology, Vol. 19, Issue 3 · 8 Aug 2023 · 4,959 accessesView PDFCite
Research ArticleOpen accessIn the abstractExperimental Study on the Microbial Community Structure of the Sediment of Pi River under the Different pH in WinterCairui Yu, Dongmei Shen, Wanfeng Wang et al.In order to solve the poor self-purification ability of low temperature water in winter, the microbial community structure in the sediment of Pi River water (located in West Anhui) was investigated experimentally in this study. Firstly, the sediment was sampled in the lower reaches of Pi River and prepared with the different pH (5.0, 5.5, 7.0 and 8.5); secondly, the … …American Journal of Biochemistry and Biotechnology, Vol. 17, Issue 1 · 15 Mar 2021 · 6,122 accessesView PDFCite
Research ArticleOpen accessIn the abstractStatus of Heavy Metals in Water and Sediment of the Meghna River, BangladeshMahmud Hassan, Mirza A.T.M. Tanvir Rahman, Badhan Saha, Abdul Kadir Ibne KamalThe pollution of river water and sediments by heavy metals has assumed serious problems due to their toxicity and accumulative behavior. The present study has been undertaken to assess the levels of heavy metals and the extent of pollution in the surface water and sediments from the Meghna river. Water and sediment samples were collected by the Standard Methods and, … …American Journal of Environmental Sciences, Vol. 11, Issue 6 · 24 Nov 2015 · 12,835 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudy of Heavy Metals in the Surface Sediments of the Main Wadis in the Region of Meknes-MoroccoA. Lammini, A. Dehbi, H. Omari, A. AbdallaouiBecause of their growing demographic and industrial expansion, the urban areas of the city of Meknes are likely to disturb the ecological balance of watercourse. In the present work, we had evaluate the degree of sediment’s contamination by heavy metals (Al, Cd, Cu, Fe, Mn, Pb and Zn) in the main wadis of the Meknes region (Boufekrane, Wislane and Toulal) … …Current Research in Geoscience, Vol. 4, Issue 2 · 29 Apr 2015 · 7,109 accessesView PDFCite
Research ArticleOpen accessIn the abstractArsenic, 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 accessIn the abstractDifferential Gene Expression in Zebrafish (Danio rerio) Following Exposure to Gaseous Diffusion Plant Effluent and Effluent Receiving Stream WaterBen F. Brammell, Andrew J. WiggintonProblem statement: The expression of six genes known to serve as bioindicators of environmental stress were examined using real-time quantitative PCR in liver tissue extracted from zebrafish (Danio rerio, Hamilton) exposed to effluent and effluent containing stream water associated with the Paducah Gaseous Diffusion Plant (PGDP). Approach: The PGDP, the only active uranium enrichment facility in the US, is located … …American Journal of Environmental Sciences, Vol. 6, Issue 3 · 30 Jun 2010 · 7,770 accessesView PDFCite