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Teses / dissertações sobre o tema "Drinking water Arsenic content Bangladesh"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 25 de janeiro de 2023

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1

Aziz, Sonia N. "Valuation of Avoiding Arsenic in Drinking Water in Rural Bangladesh: An Averting Behavior Analysis." Fogler Library, University of Maine, 2007. http://www.library.umaine.edu/theses/pdf/AzizSN2007.pdf.

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2

Uddin, G. M. Saleh. "Groundwater contamination by arsenic in Bangladesh : causes, consequences and solutions." Title page, table of contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09ENV/09envu18.pdf.

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3

Chowdhury, Ahmedul Chemical Sciences &amp Engineering Faculty of Engineering UNSW. "Development of low-cost systems for safe drinking water in areas of Bangladesh and India affected by arsenic." Publisher:University of New South Wales. Chemical Sciences & Engineering, 2009. http://handle.unsw.edu.au/1959.4/43340.

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Safe water options for five arsenic-affected villages (Sarupie, Manikganj; Daniapara, Shirajdekhan; Babutepara, Muradnagar; Iruaien, Laksham; Rahulllabad, Nabinagar) in central Bangladesh were studied in order to assist the local people and to obtain an indication of general solutions to the arsenic problem that is currently affecting ~100 million people on the Indian subcontinent. Arsenic concentrations were measured in all drinking waters believed to be safe and in a random sample of "red" (unsafe) tubewell waters. Depending on geography, history of safe water sources and availability of pon

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4

Rammelt, Crelis Ferdinand Institute of Environmental Studies UNSW. "Development and infrastructure in marginalised communities: safe drinking water in rural Bangladesh." Awarded By:University of New South Wales. Institute of Environmental Studies, 2009. http://handle.unsw.edu.au/1959.4/44524.

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The poor in most developing countries are persistently marginalised in their living conditions, including their access to safe drinking water. The research objectives have been (1) to better understand why this state of affairs has endured despite decades of efforts and interventions, and (2) to propose more adequate alternatives. The central case study was concerned with drinking water in rural Bangladesh ?? a matter of grave urgency since the discovery of arsenic in the groundwater more than a decade ago. Millions of users are exposed to dangerous levels of contamination, and the implementat

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5

von, Brömssen Mattias. "Hydrogeological and geochemical assessment of aquifer systems with geogenic arsenic in Southeastern Bangladesh : Targeting low arsenic aquifers for safe drinking water supplies in Matlab." Doctoral thesis, KTH, Miljögeokemi och ekoteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-53300.

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Naturally occurring arsenic (As) in Holocene aquifers in Bangladesh have undermined a long success of supplying the population with safe drinking water. Arsenic is mobilised in reducing environments through reductive dissolution of Fe(III)-oxyhydroxides. Several studies have shown that many of the tested mitigation options have not been well accepted by the people. Instead, local drillers target presumed safe groundwater on the basis of the colour of the sediments. The overall objective of the study has thus been focussed on assessing the potential for local drillers to target As safe groundwa

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6

Choudhury, Zubaida Akhtar. "Groundwater arsenic pollution in Bangladesh : a study of water consumption behaviour and decision-making processes within rural communities." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610220.

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7

Huang, Shan. "Assessing the Role of Risk Communication in Reducing Exposure to Arsenic in Drinking Water." Fogler Library, University of Maine, 2005. http://www.library.umaine.edu/theses/pdf/HuangS2005.pdf.

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8

Khoda, Sultana Kudrati. "Use of waste glass for arsenic removal from drinking water in Bangladesh : a laboratory and field-based study." Thesis, University of Brighton, 2015. https://research.brighton.ac.uk/en/studentTheses/005851de-5129-479d-9643-b1660342cd52.

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A number of low-cost synthetic filtration media have been proposed for the removal of arsenic (As) from drinking water in areas such as Bangladesh, where exposure to environmental arsenic is a major human health issue. This PhD research project examines the application of recycled glass and waste stainless steel fragments as a practical medium for arsenic removal at a household scale. To assess the performance of recycled glass media as a practical filter bed, glass granules were differentiated by colour, size and mode of glass size reduction (imploded and ground). The selected glass granules

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9

Boberg, Molly, and Märta Selander. "Systematic and Automatized Hydrogeological Data Capturing for Provision of Safe Drinking Water in Daudkandi, Bangladesh." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-297811.

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Arsenic-contaminated drinking water exposes ~230 million people worldwide to increased risks of several diseases and is considered one of the greatest threats to public health. In Bangladesh, arsenic-contaminated water has been declared the largest poisoning of a population in history, where 39 million people are exposed to arsenic levels above the WHO guidelines (>10 μg/L). Drinking water is mainly provided by tube-wells installed by local drillers and the majority are located in aquifers with high arsenic levels. The major challenges of identifying arsenic-safe aquifers consist of a lack

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10

Annaduzzaman, Md. "Effectiveness of Tubewell platform color as screening tool for arsenic and manganese in drinking water wells: An assessment from Matlab region Southeastern Bangladesh." Thesis, KTH, Mark- och vattenteknik (flyttat 20130630), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-124582.

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Arsenic (As) contamination in groundwater is a severe and adverse water quality issue for drinking purposes, particularly in Southeast Asia, where groundwater is the main drinking water source. Bangladesh is one of the countries where arsenic poisoning in groundwater is massive and it is essential to find out a reliable alternative safe drinking water source. In this process, it is very much needed to identify As-rich wells to avoid drinking water from them and to assess the extent of contamination as well. This study attempts to evaluate the potentiality of tube-well (TW) platform color as lo

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11

Sohel, Nazmul. "Epidemiological and Spatial Association between Arsenic Exposure via Drinking Water and Morbidity and Mortality population based studies in rural Bangladesh /." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Universitetsbiblioteket [distributör], 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-121788.

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12

Hossain, Mohammed. "Sustainable Arsenic Mitigation A Strategy for Scaling-up Safe Water Access : A Strategy for Scaling-up Safe Water Access." Doctoral thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-179197.

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In rural Bangladesh, the drinking water supply is mostly dependent upon manually operated hand pumped tubewells, installed by the local community. The presence of natural arsenic (As) in groundwater and its wide scale occurrence has drastically reduced the safe water access across the country and put tens of millions of people under health risk. Despite significant progress in understanding the source and distribution of As and its mobilization through sediment-water interactions, there has been limited success in mitigation since the problem was discovered in the country’s water supply in 199

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13

Ankarstig, Celina, and Victoria Berggren. "Interactive Local Driller Mapping for Different Hydrogeological Areas of Bangladesh : Enabling Access to Information." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-281933.

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Exposure to arsenic in drinking water can cause several types of cancer and numerous cardiovascular and respiratory diseases. A country that suffers from widespread contamination of arsenic in drinking water is Bangladesh, where the contamination has been classified as the largest mass poisoning of a population in history. Around 90 percent of the existing tubewells used for drinking water in Bangladesh were installed by the private sector and local drillers, which makes their knowledge on drinking water contamination crucial in order to make them contributory for scaling up access to safe dri

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14

Bozack, Anne K. "Chronic arsenic exposure in Bangladesh and the United States: from nutritional influences on arsenic methylation to arsenic-induced epigenetic dysregulation." Thesis, 2019. https://doi.org/10.7916/d8-dg91-0d76.

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Background: Chronic arsenic (As) exposure in a global public health concern. Arsenic exposure through drinking water affects over 140 million people in at least 70 countries, including 40 million people in Bangladesh. In the United States (US), 2.4 million people rely on private wells or public water systems with As levels above the US maximum contaminant level. Ingested inorganic arsenic (InAs) is methylated to monomethyl (MMAs)- and dimethyl (DMAs)-arsenical species using the methyl donor S-adenosylmethionine (SAM). Full methylation of InAs to DMAs decreases As toxicity and facilitates uri

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15

Murshed, Rubaiul. "A study on the public health management of arsenic in Bangladesh." Master's thesis, 2002. http://hdl.handle.net/1885/148616.

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16

Lokuge, Kamalini. "An investigation of the impact of arsenic mitigation on disease burden in Bangladesh, and a randomised controlled trial of selected interventions and their impact on childhood diarrhoeal disease." Phd thesis, 2004. http://hdl.handle.net/1885/151400.

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17

George, Christine Marie. "A Cluster-Based Randomized Controlled Trial Promoting Community Participation in Arsenic Mitigation Efforts in Bangladesh." Thesis, 2012. https://doi.org/10.7916/D83T9Q7G.

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Millions of villagers in Bangladesh drink water which exceeds the Bangladesh arsenic (As) standard of 50 micrograms per liter. Exposure to elevated levels of inorganic As (As) is associated with cancers of the skin, bladder, and lung, developmental effects, cardiovascular disease, skin lesions, and decreased children's intellectual functioning. Arsenic mitigation typically involves an outsider coming into a village to test the well water for As. After the results of the As test are provided this person typically leaves the village without providing the resources to address health concerns or g

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18

Hasnat, Mohammad Abul. "Assessment of arsenic mitigation options; adverse pregnancy outcomes due to chronic arsenic exposure; and the impact of nutritional status on development of arsenicosis in Bangladesh." Phd thesis, 2005. http://hdl.handle.net/1885/150925.

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19

Mihajlov, Ivan. "The vulnerability of low-arsenic aquifers in Bangladesh: a multi-scale geochemical and hydrologic approach." Thesis, 2014. https://doi.org/10.7916/D8K35RR6.

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The worldwide natural occurrence of high levels of arsenic (As) in groundwater and its deleterious effects on human health have inspired a great amount of related research in public health and geosciences internationally. With >100 million people in South and Southeast Asia exposed to >10 µg/L As in shallow groundwater that they use for drinking, the installation of deeper, low-As wells has emerged as a major strategy for lowering the exposure. As the magnitude of deep pumping continues to increase, this work focuses on the geochemical and hydrologic questions surrounding the vulnerability and

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20

Sanchez, Tiffany Renee. "Understanding inorganic arsenic exposure in Bangladesh and respiratory health consequences using a life course approach." Thesis, 2016. https://doi.org/10.7916/D8DR2VMH.

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Inorganic arsenic exposure is a well-known toxicant of which we are still discovering harmful effects. People are exposed to inorganic arsenic in the environment through either drinking arsenic-contaminated groundwater or consuming arsenic-contaminated food. Regarding global public health, drinking water is still the most important source of inorganic arsenic exposure and is the main focus of this work. The overall goal of this dissertation is to answer some pointing epidemiological questions about exposure to inorganic arsenic: How much do we know about inorganic arsenic and non-maligna

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21

Ac, Sonia N. "Valuation of avoiding arsenic in drinking water in rural Bangladesh: an averting behavior analysis /." 2007. http://www.library.umaine.edu/theses/theses.asp?highlight=1&Cmd=abstract&ID=EES2007-009.

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22

Huda, Sk Nazmul. "Risk estimates of arsenic related skin lesions in two large villages in Rajshahi Division, Bangladesh." Phd thesis, 2009. http://hdl.handle.net/10048/434.

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In rural Bangladesh people drink water from an estimated 10-11 million tube wells, many with arsenic concentrations well above the national standard of 50µg/L. Characteristic skin lesions and more serious health effects are probable. The research reported here was designed to determine the relation between arsenic concentration and skin lesions on hands and feet controlling for education, use of tube well water, protein consumption and body mass index (BMI). The investigation included a well survey, a prevalence survey and a nested case-referent analysis. Studies were conducted in two villages

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23

Nigra, Anne. "Arsenic Exposure in US Drinking Water: Spatial Patterns, Temporal Trends, and Related Mortalities." Thesis, 2020. https://doi.org/10.7916/d8-wkvz-4826.

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Reducing population exposure to inorganic arsenic (iAs), a known carcinogen and highly toxic metalloid of great public health concern, remains an ongoing challenge worldwide and in the United States (US). In the US, the Environmental Protection Agency (EPA) regulates the maximum contaminant level (MCL) for total arsenic in public drinking water supplies through the Safe Drinking Water Act. In 2001, the US EPA implemented the Final Arsenic Rule, which lowered the MCL for arsenic in public drinking water supplies from 50 to 10 µg/L. Reductions in iAs exposure and subsequent related disease assoc

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24

Saxena, Roheeni. "Nutrition, Arsenic, Metals, and Cognitive Function in Adolescents." Thesis, 2020. https://doi.org/10.7916/d8-ves1-x449.

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Background: Environmental exposure to inorganic arsenic (InAs) is a considerable worldwide problem, and over 57 million people in Bangladesh have been chronically exposed to arsenic-contaminated drinking water. Ingested inorganic arsenic (InAs) undergoes hepatic methylation generating monomethyl- (MMAs) and dimethyl- (DMAs) arsenic species in a process that facilitates urinary As (uAs) elimination. Of these three metabolites (InAs, MMA and DMA), MMA the most toxic, InAs is the second most toxic, and DMA is the least toxic. Consequently, increased MMAs is associated with increased risk of

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25

Peters, Brandilyn Anna. "Chronic arsenic exposure: mitigation with nutritional interventions and effects on inflammation and renal function." Thesis, 2015. https://doi.org/10.7916/D8BP01Z0.

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Background: In the country of Bangladesh, arsenic (As) exposure and high plasma homocysteine (hyperhomocysteinemia; HHcys) are widely prevalent. An estimated 35-77 million people in Bangladesh are exposed to As above the World Health Organization standard of 10 μg/L, while a cross-sectional study by our group estimated that 63% of men and 26% of women had HHcys. Both As exposure and HHcys are associated with adverse health outcomes. Arsenic exposure is an established cause of skin, lung, and bladder cancer, and cardiovascular disease, while HHcys is a strongly associated with increased risk fo

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26

Barnwal, Prabhat. "Essays in Development, Environment and Health." Thesis, 2015. https://doi.org/10.7916/D8KD1X00.

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This dissertation examines topics related to development, environment and health in developing countries using empirical methods. In the first chapter, I study how developing countries can increase enforcement to reduce subsidy leakage in public programs, by investing in the state capacity to target program beneficiaries. This chapter further attempts to understand how the formal sector and black market respond to a policy that reduces diversion of a subsidized commodity. I explore these questions using the case of a Unique ID-based direct fuel subsidy transfer policy in India. Second chapt

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27

Mudzielwana, Rabelani. "Synthesis and potential application of Fe3+/Mn2+ bimetal and hexadecyltrimethylammonium bromide (HDTMA-Br) modified clayey soils for arsenic removal in groundwater." Thesis, 2019. http://hdl.handle.net/11602/1288.

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PhD (Environmental Sciences)<br>Department of Ecology and Resource Management<br>The presence of arsenic in groundwater has drawn worldwide attention from researchers and public health officials due to its effects on human health such as, cancer, skin thickening, neurological disorders, muscular weakness, loss of appetite and nausea. World Health Organisation (WHO) has set the limit of 10 μg/L for arsenic in drinking water in trying to reduce the effects of arsenic. This was further adopted by South African National Standard (SANS). The present study aims at evaluating arsenic concentrati

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28

von, der Goltz Jan Christoph. "Essays in Development and Environmental Economics." Thesis, 2016. https://doi.org/10.7916/D83B602K.

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This dissertation discusses three questions of development and environmental economics. First, it assesses the impact of mineral mining on the health and wealth of households in local communities across 44 developing countries, using micro data. Secondly, it presents evidence from a randomized controlled trial on the cost-shared provision of well-water tests for arsenic. Finally, it analyzes measurement error in a satellite night light data product widely used in development research, and investigates the scope for using the data in very high spatial resolution.

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