Arsenic Speciation In Algae
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Arsenic Speciation in Algae
Author | : Anonim |
Publsiher | : Elsevier |
Total Pages | : 336 |
Release | : 2019-06-07 |
Genre | : Science |
ISBN | : 9780444642653 |
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Arsenic Speciation in Algae, Volume 85, addresses the most important issues to consider during arsenic speciation in algae, including new sections on Occurrence, distribution, and significance of arsenic speciation, Biogeochemistry of arsenic in aquatic environments: the role of speciation, Sampling and sampling processing: fit for purpose techniques, Separation methods applied to arsenic speciation, Detection and quantification of arsenic compounds, Analytical approaches for proteomics and lipidomics of arsenic in algae, Quality control and quality assurance issues in arsenic speciation, Arsenic speciation in algae: case studies in Europe, and more. Features the latest content combined with the experience of our distinguished contributors
Arsenic in Drinking Water
Author | : Subcommittee on Arsenic in Drinking Water,Commission on Life Sciences,Division on Earth and Life Studies,National Research Council |
Publsiher | : National Academies Press |
Total Pages | : 331 |
Release | : 1999-06-28 |
Genre | : Science |
ISBN | : 9780309553674 |
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The U.S. Environmental Protection Agency (EPA) has been considering a more stringent regulation of arsenic in water. A significant reduction in the maximum contaminant level (MCL) could increase compliance costs for water utilities. This book discusses the adequacy of the current EPA MCL for protecting human health in the context of stated EPA policy and provides an unbiased scientific basis for deriving the arsenic standard for drinking water and surface water. Arsenic in Drinking Water evaluates epidemiological data on the carcinogenic and noncarcinogenic health effects of arsenic exposure of Taiwanese populations and compares those effects with the effects of arsenic exposure demonstrated in other countriesincluding the United States. The book also reviews data on toxicokinetics, metabolism, and mechanism and mode of action of arsenic to ascertain how these data could assist in assessing human health risks from arsenic exposures. This volume recommends specific changes to improve the toxicity analyses and risk characterization. The implications of the changes for EPAs current MCL for arsenic are also described.
Environmental Biochemistry of Arsenic
Author | : S. Tamaki,William T. Frankenberger |
Publsiher | : Unknown |
Total Pages | : 146 |
Release | : 1989 |
Genre | : Arsenic |
ISBN | : UCR:31210024988378 |
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Managing Arsenic in the Environment
Author | : Ravi Naidu,Euan Smith,Gary Owens,Prosun Bhattacharya |
Publsiher | : CSIRO PUBLISHING |
Total Pages | : 656 |
Release | : 2006-02-07 |
Genre | : Technology & Engineering |
ISBN | : 9780643099234 |
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Arsenic is one of the most toxic and carcinogenic elements in the environment. This book brings together the current knowledge on arsenic contamination worldwide, reviewing the field, highlighting common themes and pointing to key areas needing future research. Contributions discuss methods for accurate identification and quantification of individual arsenic species in a range of environmental and biological matrices and give an overview of the environmental chemistry of arsenic. Next, chapters deal with the dynamics of arsenic in groundwater and aspects of arsenic in soils and plants, including plant uptake studies, effects on crop quality and yield, and the corresponding food chain and human health issues associated with these exposure pathways. These concerns are coupled with the challenge to develop efficient, cost effective risk management and remediation strategies: recent technological advances are described and assessed, including the use of adsorbants, photo-oxidation, bioremediation and electrokinetic remediation. The book concludes with eleven detailed regional perspectives of the extent and severity of arsenic contamination from around the world. It will be invaluable for arsenic researchers as well as environmental scientists and environmental chemists, toxicologists, medical scientists, and statutory authorities seeking an in-depth view of the issues surrounding this toxin.
Arsenic Contamination in the Environment
Author | : Dharmendra Kumar Gupta,Soumya Chatterjee |
Publsiher | : Springer |
Total Pages | : 218 |
Release | : 2017-05-23 |
Genre | : Science |
ISBN | : 9783319543567 |
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This book provides an overview to researchers, graduate, and undergraduate students, as well as academicians who are interested in arsenic. It covers human health risks and established cases of human ailments and sheds light on prospective control measures, both biological and physico-chemical. Arsenic (As) is a widely distributed element in the environment having no known useful physiological function in plants or animals. Historically, this metalloid has been known to be used widely as a poison. Effects of arsenic have come to light in the past few decades due to its increasing contamination in several parts of world, with the worst situation being in Bangladesh and West Bengal, India. The worrying issue is the ingestion of arsenic through water and food and associated health risks due to its carcinogenic and neurotoxic nature. The impact of the problem is widespread, and it has led to extensive research on finding both the causes and solutions. These attempts have allowed us to understand the various probable causes of arsenic contamination in the environment, and at the same time, have provided a number of possible solutions. It is reported that more than 200 mineral species contain As. Generally, As binds with iron and sulfur to form arsenopyrite. According to one estimate from the World Health Organization (WHO), contextual levels of As in soil ranges from 1 to 40 mg kg-1. Arsenic toxicity is related to its oxidation state which is present in the medium. As is a protoplastic toxin, due to its consequence on sulphydryl group it interferes in cell enzymes, cell respiration and in mitosis. Exposure of As may occur to humans via several industries, such as refining or smelting of metal ores, microelectronics, wood preservation, battery manufacturing, and also to those who work in power plants that burn arsenic-rich coal.
One Century of the Discovery of Arsenicosis in Latin America 1914 2014 As2014
Author | : Marta I. Litter,Hugo B. Nicolli,Martin Meichtry,Natalia Quici,Jochen Bundschuh,Prosun Bhattacharya,Ravi Naidu |
Publsiher | : CRC Press |
Total Pages | : 990 |
Release | : 2014-04-08 |
Genre | : Science |
ISBN | : 9781315778884 |
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The Congress "Arsenic in the Environment" offers an international, multi- and interdisciplinary discussion platform for research aimed towards a holistic solution to the problem posed by the environmental toxin arsenic, with considerable societal impact. The congress has focused on cutting edge and breakthrough research in physical, chemical, toxic
Algal Biorefinery An Integrated Approach
Author | : Debabrata Das |
Publsiher | : Springer |
Total Pages | : 467 |
Release | : 2015-11-30 |
Genre | : Technology & Engineering |
ISBN | : 9783319228136 |
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This book critically discusses different aspects of algal production systems and several of the drawbacks related to microalgal biomass production, namely, low biomass yield, and energy-consuming harvesting, dewatering, drying and extraction processes. These provide a background to the state-of-the-art technologies for algal cultivation, CO2 sequestration, and large-scale application of these systems. In order to tap the commercial potential of algae, a biorefinery concept has been proposed that could help to extract maximum benefits from algal biomass. This refinery concept promotes the harvesting of multiple products from the feedstock so as to make the process economically attractive. For the last few decades, algal biomass has been explored for use in various products such as fuel, agricultural crops, pigments and pharmaceuticals, as well as in bioremediation. To meet the huge demand, there has been a focus on large-scale production of algal biomass in closed or open photobioreactors. Different nutritional conditions for algal growth have been explored, such as photoautotrophic, heterotrophic, mixotrophic and oleaginous. This book is aimed at a wide audience, including undergraduates, postgraduates, academics, energy researchers, scientists in industry, energy specialists, policy makers and others who wish to understand algal biorefineries and also keep abreast of the latest developments.
Arsenic Toxicity
Author | : Narayan Chakrabarty |
Publsiher | : CRC Press |
Total Pages | : 528 |
Release | : 2015-08-05 |
Genre | : Medical |
ISBN | : 9781482241976 |
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The most talked about metalloid in the modern world, arsenic affects the liver, kidney, and lungs; leads to cardiovascular diseases, cancer, and diabetes; and may cause blindness with long-time exposure. With naturally occurring arsenic boosted by mining and other industrial processes contaminating soil and drinking water, arsenic toxicity is a maj