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https://www.readbyqxmd.com/read/28231516/radon-levels-in-drinking-water-of-fatehabad-district-of-haryana-india
#1
Vikas Duggal, Samriti Sharma, Rohit Mehra
Radon concentrations were measured in 59 groundwater samples collected from Fatehabad district of Haryana, India. The measurements were performed by RAD7 an electronic radon detector manufactured by Durridge Company Inc. The measured radon concentration ranged from 1.4 to 22.6Bql(-1). 14% of the groundwater samples were above the United States Environmental Protection Agency recommended value for radon in water. The annual effective dose for ingestion and inhalation was also evaluated in this research. The total annual effective dose due to ingestion and inhalation of radon in drinking water varied from 14...
February 17, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28229170/molecular-insight-of-arsenic-induced-carcinogenesis-and-its-prevention
#2
REVIEW
Paramita Mandal
Population of India and Bangladesh and many other parts of the world are badly exposed to arsenic through drinking water. Due to non-availability of safe drinking water, they are dependent on arsenic-contaminated water. Generally, poverty level is high in those areas with lack of proper nutrition. Arsenic is considered to be an environmental contaminant and widely distributed in the environment due to its natural existence and anthropogenic applications. Contamination of arsenic in both human and animal could occur through air, soil, and other sources...
February 22, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28228777/natural-mineral-waters-chemical-characteristics-and-health-effects
#3
REVIEW
Sara Quattrini, Barbara Pampaloni, Maria Luisa Brandi
Water contributes significantly to health and a daily intake of 1.5 to 2 liters of water should be guaranteed, because a good hydration is essential to maintain the body water equilibrium, although needs may vary among people. However, worldwide population is far from the Recommended Allowance for water intake. Among the waters for human uses, there are 'waters (treated or not), intended for drinking, used for the food and beverages preparation or for other domestic purposes' and natural mineral waters, that are 'originated from an aquifer or underground reservoir, spring from one or more natural or bore sources and have specific hygienic features and, eventually, healthy properties'...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28228517/high-monetary-reward-rates-and-caloric-rewards-decrease-temporal-persistence
#4
Bowen J Fung, Stefan Bode, Carsten Murawski
Temporal persistence refers to an individual's capacity to wait for future rewards, while forgoing possible alternatives. This requires a trade-off between the potential value of delayed rewards and opportunity costs, and is relevant to many real-world decisions, such as dieting. Theoretical models have previously suggested that high monetary reward rates, or positive energy balance, may result in decreased temporal persistence. In our study, 50 fasted participants engaged in a temporal persistence task, incentivised with monetary rewards...
February 22, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28228348/carbon-dioxide-in-carbonated-beverages-induces-ghrelin-release-and-increased-food-consumption-in-male-rats-implications-on-the-onset-of-obesity
#5
Dureen Samandar Eweis, Fida Abed, Johnny Stiban
BACKGROUND: The dangerous health risks associated with obesity makes it a very serious public health issue. Numerous studies verified a correlation between the increase in obesity and the parallel increase in soft drink consumption among world populations. The effects of one main component in soft drinks namely the carbon dioxide gas has not been studied thoroughly in any previous research. METHODS: Male rats were subjected to different categories of drinks and evaluated for over a year...
February 19, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28227615/smart-monitoring-of-fluid-intake-and-bladder-voiding-using-pressure-sensitive-mats
#6
Madison Cohen-McFarlane, James R Green, Frank Knoefel, Rafik Goubran, Madison Cohen-McFarlane, James R Green, Frank Knoefel, Rafik Goubran, Frank Knoefel, Madison Cohen-McFarlane, Rafik Goubran, James R Green
Pressure sensitive mats have been used in noninvasive smart monitoring for a variety of problems including breathing rate monitoring, sleep monitoring, mobility, and weight. This paper describes a proof of concept application of pressure mats to monitor fluid intake/output (fluid cycle) events during the night. The ability to more accurately track such events has potential implications for monitoring those individuals who have nocturia, a condition where a person wakes at night to urinate. Data were collected from a healthy young female subject instructed to drink as much water as was comfortable (700mL) and lie in a supine position on a mattress located directly on three pressure mats...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226251/effects-of-sulfate-on-heavy-metal-release-from-iron-corrosion-scales-in-drinking-water-distribution-system
#7
Huifang Sun, Baoyou Shi, Fan Yang, Dongsheng Wang
Trace heavy metals accumulated in iron corrosion scales within a drinking water distribution system (DWDS) could potentially be released to bulk water and consequently deteriorate the tap water quality. The objective of this study was to identify and evaluate the release of trace heavy metals in DWDS under changing source water conditions. Experimental pipe loops with different iron corrosion scales were set up to simulate the actual DWDS. The effects of sulfate levels on heavy metal release were systemically investigated...
February 13, 2017: Water Research
https://www.readbyqxmd.com/read/28226246/improvement-of-virus-removal-by-pilot-scale-coagulation-ultrafiltration-process-for-wastewater-reclamation-effect-of-optimization-of-ph-in-secondary-effluent
#8
S Lee, M Ihara, N Yamashita, H Tanaka
Reclaimed water (i.e., reused advanced-treated wastewater) offers an alternative water resource. To reduce the health risks associated with its use, efficient virus removal such as with advanced wastewater treatment processes is important. Virus removal by coagulation followed by ultrafiltration (UF) for the treatment of drinking water has been well examined. But its efficacy in wastewater reclamation purpose using secondary treated effluent (SE) from wastewater treatment plant (WWTP) as feed water is unclear...
February 9, 2017: Water Research
https://www.readbyqxmd.com/read/28225082/environmentally-friendly-chitosan-pei-grafted-magnetic-gelatin-for-the-highly-effective-removal-of-heavy-metals-from-drinking-water
#9
Bingbing Li, Feng Zhou, Kai Huang, Yipei Wang, Surong Mei, Yikai Zhou, Tao Jing
The development of environmentally friendly sorbents with a high adsorption capacity is an essential problem in the removal of heavy metals from drinking water. In this study, magnetic gelatin was prepared using transglutaminase as a cross-linker, which could only catalyze an acyl-transfer reaction between lysine and glutamine residues of the gelatin and not affect other amino groups. Therefore, it was beneficial for the further modification based on the amino groups, and did not affect the spatial structure of gelatin, which can effectively prevent the embedding of active sites in the polymer matrix...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224710/extended-low-dose-exposure-to-saxitoxin-inhibits-neurite-outgrowth-in-model-neuronal-cells
#10
Katie O'Neill, Ian F Musgrave, Andrew Humpage
The potent neurotoxin saxitoxin (STX) belongs to a group of structurally related analogues produced by both marine and freshwater phytoplankton. The toxins act by blocking voltage-gated sodium channels stopping the inflow of sodium ions and the generation of action potentials. Exposure from marine sources occurs as a result of consuming shellfish which have concentrated the toxins, and freshwater exposure can occur from drinking water although there have been no acute poisonings from the latter source to date...
November 7, 2016: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28224339/wastewater-treatment-and-public-health-in-nunavut-a-microbial-risk-assessment-framework-for-the-canadian-arctic
#11
Kiley Daley, Rob Jamieson, Daniel Rainham, Lisbeth Truelstrup Hansen
Wastewater management in Canadian Arctic communities is influenced by several geographical factors including climate, remoteness, population size, and local food-harvesting practices. Most communities use trucked collection services and basic treatment systems, which are capable of only low-level pathogen removal. These systems are typically reliant solely on natural environmental processes for treatment and make use of existing lagoons, wetlands, and bays. They are operated in a manner such that partially treated wastewater still containing potentially hazardous microorganisms is released into the terrestrial and aquatic environment at random times...
February 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28224155/metabonomic-analysis-of-quercetin-against-the-toxicity-of-acrylamide-in-rat-urine
#12
Wei Bao, Can Cao, Siqi Li, Lu Bo, Meiyan Zhang, Xiujuan Zhao, Ying Liu, Changhao Sun
This research aims to determine whether quercetin has protective effects against the toxicity of acrylamide (AA) using metabonomic technology. Randomly, the rats were assigned into a control group, AA treatment group, quercetin treatment group and quercetin plus AA treatment group. Quercetin and AA were administered to rats daily via gavage and drinking water for 16 weeks, respectively. To detect the metabonomic profiles of urine, ultra-performance liquid chromatography/mass spectrometry was used. A total of 15 metabolites, including biomarkers of AA exposure (GAMA, AAMA, and iso-AAMA) and quercetin exposure (quercetin and isorhamnetin), were identified...
February 22, 2017: Food & Function
https://www.readbyqxmd.com/read/28224126/antioxidant-effects-of-the-quercetin-in-the-jejunal-myenteric-innervation-of-diabetic-rats
#13
Sara R Garcia de Souza, Marcílio Hubner de Miranda Neto, Juliana Vanessa Colombo Martins Perles, Flávia Cristina Vieira Frez, Isabela Zignani, Francielle Veiga Ramalho, Catchia Hermes-Uliana, Gleison Daion Piovezana Bossolani, Jacqueline Nelisis Zanoni
PURPOSE: Enteric glial cells (EGCs) exert a critical role in the structural integrity, defense, and metabolic function of enteric neurons. Diabetes mellitus is a chronic disease characterized by metabolic disorders and chronic autonomic neuropathy. Quercetin supplementation, which is a potent antioxidant, has been used in order to reduce the effects of diabetes-induced oxidative stress. The purpose of this research was to investigate the effects of quercetin supplementation in the drinking water at a daily dose of 40 mg on the glial cells and neurons in the jejunum of diabetic rats...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28223469/maternal-gestational-hypertension-induced-sensitization-of-angiotensin-ii-hypertension-is-reversed-by-renal-denervation-or-angiotensin-converting-enzyme-inhibition-in-rat-offspring
#14
Baojian Xue, Haifeng Yin, Fang Guo, Terry G Beltz, Robert L Thunhorst, Alan Kim Johnson
Numerous findings demonstrate that there is a strong association between maternal health during pregnancy and cardiovascular disease in adult offspring. The purpose of the present study was to test whether maternal gestational hypertension modulates brain renin-angiotensin-aldosterone system (RAAS) and proinflammatory cytokines that sensitizes angiotensin II-elicited hypertensive response in adult offspring. In addition, the role of renal nerves and the RAAS in the sensitization process was investigated. Reverse transcription polymerase chain reaction analyses of structures of the lamina terminalis and paraventricular nucleus indicated upregulation of mRNA expression of several RAAS components and proinflammatory cytokines in 10-week-old male offspring of hypertensive dams...
February 21, 2017: Hypertension
https://www.readbyqxmd.com/read/28222687/a-controlled-survey-of-less-typical-long-term-consequences-after-an-extensive-waterborne-epidemic
#15
Janne Laine, Outi Laine, Jukka Lumio, Jaakko Antonen, Salla Toikkanen, Mikko J Virtanen, Markku Kuusi
BACKGROUND: Extensive backflow of treated wastewater caused household water contamination in a Finnish town in 2007. The drinking water of 9 500 residents became heavily polluted with faecal microbes, resulting in a large gastroenteritis epidemic. Cases of reactive arthritis, milder joint symptoms and prolonged gastrointestinal symptoms were observed after the outbreak. A follow-up survey was performed to study less familiar long-term health consequences within a year from the outbreak...
February 21, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28222608/postsynthetically-modified-covalent-organic-frameworks-for-efficient-and-effective-mercury-removal
#16
Qi Sun, Briana Aguila, Jason Perman, Lyndsey D Earl, Carter W Abney, Yuchuan Cheng, Hao Wei, Nicholas Nguyen, Lukasz Wojtas, Shengqian Ma
A key challenge in environmental remediation is the design of adsorbents bearing an abundance of accessible chelating sites with high affinity, to achieve both rapid uptake and high capacity for the contaminants. Herein, we demonstrate how two-dimensional covalent organic frameworks (COFs) with well-defined mesopore structures display the right combination of properties to serve as a scaffold for decorating coordination sites to create ideal adsorbents. The proof-of-concept design is illustrated by modifying sulfur derivatives on a newly designed vinyl-functionalized mesoporous COF (COF-V) via thiol-ene "click" reaction...
February 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28222396/lawsone-suppresses-azoxymethane-mediated-colon-cancer-in-rats-and-reduces-proliferation-of-dld-1-cells-via-nf-%C3%AE%C2%BAb-pathway
#17
Shi-Bin Wang, Zhenzhou Tao, Ping Li
Lawsone (LS) a colored napthoquinone compound obtained from the plant Lawsonia inermis L. (Lythraceae) is known for its usefulness of being a precursor for synthesis of some anticancer compounds. Literatures support potent anticancer activity of napthoquinone derivatives in human colon cancer, present study evaluates the effect and mechanism of LS on chemical induced colon cancerous rats and human colon cancer DLD-1 cells, the study was supported by endoscopy, histological and immunohistochemistry analysis...
February 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28222376/effects-of-4-nonylphenol-in-drinking-water-on-the-reproductive-capacity-of-japanese-quails-coturnix-japonica
#18
Yan Cheng, Zhengjun Shan, Junying Zhou, Yuanqing Bu, Pengfu Li, Shan Lu
4-nonylphenol (4-NP), a major degradation product of Nonylphenol ethoxylates (NPEOs), is widespread in environment. In this study, the effects of long-term 4-NP exposure in drinking water on Japanese quails (Coturnix japonica) were investigated. A total of 45 quails were evenly divided into 15 groups and administrated with various doses (0.1 μg L(-1), 1.0 μg L(-1), 10 μg L(-1) and 100 μg L(-1), which reflected the environmental concentrations of 4-NP) of 4-NP in drinking water. The results showed that 4-NP in drinking water had no effect on quails' food intake, but significantly decreased the quails' body weights (P < 0...
February 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28222265/modeling-soluble-and-particulate-lead-release-into-drinking-water-from-full-and-partially-replaced-lead-service-lines
#19
Ahmed A Abokifa, Pratim Biswas
Partial replacement of lead service lines (LSLs) often results in the excessive long-term release of lead particulates due to the disturbance of pipe scale and galvanic corrosion. In this study, a modeling approach to simulate the release and transport of particulate and dissolved lead from full and partially replaced LSLs is developed. A mass transfer model is coupled with a stochastic residential water demand generator to investigate the effect of normal household usage (NHU) flow patterns on lead exposure...
February 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28221885/antibacterial-and-antiadhesive-activities-of-extracts-from-edible-plants-against-soft-drink-spoilage-by-asaia-spp
#20
Hubert Antolak, Agata Czyzowska, Dorota Kregiel
This study was conducted to investigate the antibacterial and antiadhesive activities of ethanol extracts from five edible plant parts: cinnamon bark ( Cinnamomum zeylanicum ), licorice root ( Glycyrrhiza radix ), nettle leaves ( Urtica dioica ), green tea leaves ( Camellia sinensis ), and elderberry flowers ( Sambucus nigra ). The chemical constituents of the extracts were identified using high-performance liquid chromatography and liquid chromatography plus mass spectrometry. Six strains of Asaia lannensis and Asaia bogorensis bacteria isolated from spoiled commercial fruit-flavored noncarbonated mineral water were used...
January 2017: Journal of Food Protection
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