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Journal of Water and Health

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https://www.readbyqxmd.com/read/28598351/erratum-journal-of-water-and-health-14-6-998-1008-exploring-the-relationships-between-small-non-community-drinking-water-system-characteristics-and-water-system-performance-in-ontario-canada-w-pons-et-al-doi-https-doi-org-10-2166-wh-2016-007
#1
Wendy Pons, Andria Jones-Bitton, Scott A McEwen, Katarina Pintar, Andrew Papadopoulos, Ian Young
No abstract text is available yet for this article.
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598350/comparative-study-of-physico-chemical-parameters-of-drinking-water-from-some-longevity-and-non-longevity-areas-of-china
#2
Yajun Du, Kunli Luo, Rahib Hussain
There is an obvious regional longevity phenomenon in China and many longevity counties are located in South China. This study was carried out to find the characteristics of elemental contents of drinking water in longevity areas in South China and the differences to non-longevity areas in China. A total of 128 drinking water samples were collected from longevity areas in South China (n = 40), non-longevity areas in South China (n = 74) and non-longevity areas in North China (n = 14) and 46 parameters of water were determined or calculated...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598349/predicting-water-filter-and-bottled-water-use-in-appalachia-a-community-scale-case-study
#3
Jonas G Levêque, Robert C Burns
A questionnaire survey was conducted in order to assess residents' perceptions of water quality for drinking and recreational purposes in a mid-sized city in northcentral West Virginia. Two logistic regression analyses were conducted in order to investigate the factors that influence bottle use and filter use. Results show that 37% of respondents primarily use bottled water and that 58% use a household filter when drinking from the tap. Respondents with lower levels of environmental concern, education levels, and lower organoleptic perceptions were most likely to perceive health risks from tap water consumption, and were most likely to use bottled water...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598348/mortality-from-selected-diseases-that-can-be-transmitted-by-water-united-states-2003-2009
#4
J W Gargano, E A Adam, S A Collier, K E Fullerton, S J Feinman, M J Beach
Diseases spread by water are caused by fecal-oral, contact, inhalation, or other routes, resulting in illnesses affecting multiple body systems. We selected 13 pathogens or syndromes implicated in waterborne disease outbreaks or other well-documented waterborne transmission (acute otitis externa, Campylobacter, Cryptosporidium, Escherichia coli (E. coli), free-living ameba, Giardia, Hepatitis A virus, Legionella (Legionnaires' disease), nontuberculous mycobacteria (NTM), Pseudomonas-related pneumonia or septicemia, Salmonella, Shigella, and Vibrio)...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598347/ingestion-of-swimming-pool-water-by-recreational-swimmers
#5
A P Dufour, T D Behymer, R Cantú, M Magnuson, L J Wymer
The volume of water ingested by swimmers while swimming is of great interest to individuals who develop risk assessments using quantitative microbial risk assessment or epidemiological approaches. We have used chloroisocyanurate disinfected swimming pool waters to determine the amount of water swallowed by swimmers during swimming activity. The chloroisocyanurate, which is in equilibrium with chlorine and cyanuric acid in the pool water, provides a biomarker, cyanuric acid, that once swallowed passes through the body into the urine unchanged...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598346/application-of-long-amplicon-propidium-monoazide-pcr-to-assess-the-effects-of-temperature-and-background-microbiota-on-pathogens-in-river-water
#6
Avid Banihashemi, Michele I Van Dyke, Peter M Huck
The decay rates of enteric waterborne pathogens were evaluated following the introduction of Yersinia enterocolitica, Salmonella enterica, Campylobacter jejuni and Arcobacter butzleri into river water at different temperatures (5, 15 and 25°C) for a period of 28 days. To improve the accuracy of the results a molecular viability assay, long amplicon propidium monoazide-polymerase chain reaction (PMA-PCR), was used to quantify the viable cell concentration and results from PCR with and without PMA were compared...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598345/microbiological-quality-of-ice-and-ice-machines-used-in-food-establishments
#7
Hamparsun Hampikyan, Enver Baris Bingol, Omer Cetin, Hilal Colak
The ice used in the food industry has to be safe and the water used in ice production should have the quality of drinking water. The consumption of contaminated ice directly or indirectly may be a vehicle for transmission of pathogenic bacteria to humans producing outbreaks of gastrointestinal diseases. The objective of this study was to monitor the microbiological quality of ice, the water used in producing ice and the hygienic conditions of ice making machines in various food enterprises. Escherichia coli was detected in seven (6...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598344/occurrence-of-legionella-in-showers-at-recreational-facilities
#8
Patrizia De Filippis, Cinzia Mozzetti, Massimo Amicosante, Gian Loreto D'Alò, Alessandra Messina, Donatella Varrenti, Roberto Giammattei, Floriana Di Giorgio, Stefania Corradi, Alberto D'Auria, Roberta Fraietta, Rosanna Gabrieli
Critical environments, including water systems in recreational settings, represent an important source of Legionella pneumophila infection in humans. In order to assess the potential risk for legionellosis, we analyzed Legionella contamination of water distribution systems in 36 recreational facilities equipped with swimming pools. One hundred and sixty water samples were analyzed from shower heads or taps located in locker rooms or in bathrooms. By culture method and polymerase chain reaction, 41/160 samples were positive for Legionella from 12/36 recreational centers...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598343/from-urban-municipalities-to-polar-bioremediation-the-characterisation-and-contribution-of-biogenic-minerals-for-water-treatment
#9
Benjamin L Freidman, Kathy A Northcott, Peta Thiel, Sally L Gras, Ian Snape, Geoff W Stevens, Kathryn A Mumford
Minerals of biological origin have shown significant potential for the separation of contaminants from water worldwide. This study details the contribution of biologically derived minerals to water treatment operations, with a focus on filtration media from urban municipalities and remote cold regions. The results support biofilm-embedded iron and manganese to be the building blocks of biogenic mineral development on activated carbon and nutrient-amended zeolites. The presence of similar iron and manganese oxidising bacterial species across all filter media supports the analogous morphologies of biogenic minerals between sites and suggests that biological water treatment processes may be feasible across a range of climates...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598342/removals-of-cryptosporidium-parvum-oocysts-and-cryptosporidium-sized-polystyrene-microspheres-from-swimming-pool-water-by-diatomaceous-earth-filtration-and-perlite-sand-filtration
#10
Ping Lu, James E Amburgey, Vincent R Hill, Jennifer L Murphy, Chandra L Schneeberger, Michael J Arrowood, Tao Yuan
Removal of Cryptosporidium-sized microspheres and Cryptosporidium parvum oocysts from swimming pools was investigated using diatomaceous earth (DE) precoat filtration and perlite-sand filtration. In pilot-scale experiments, microsphere removals of up to 2 log were obtained with 0.7 kg·DE/m(2) at a filtration rate of 5 m/h. A slightly higher microsphere removal (2.3 log) was obtained for these DE-precoated filters when the filtration rate was 3.6 m/h. Additionally, pilot-scale perlite-sand filters achieved greater than 2 log removal when at least 0...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598341/effect-of-trihalomethanes-chloroform-and-bromoform-on-human-haematological-count
#11
Asna Lodhi, Imran Hashmi, Habib Nasir, Romana Khan
With the increasing concerns about the harmful effects of disinfection products, the process of chlorination is becoming questionable. Bromoform and chloroform are among the most frequently occurring disinfection by-products. Haematological parameters are an important indicator of human well-being which is why the prime objective of the current study was to conduct a dose-response assessment to investigate the effects of trihalomethanes on human haematological count. Blood samples of healthy subjects were exposed to different concentrations (10, 30 and 50 μg/mL) of chloroform and bromoform in vitro to analyse how these compounds affected the haematological count with increasing dose concentrations...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598340/effects-of-drinking-desalinated-seawater-on-cell-viability-and-proliferation
#12
Camila Longhi Macarrão, André Luis Lacerda Bachi, Mario Mariano, Lucia Jamli Abel
Desalination of seawater is becoming an important means to address the increasing scarcity of freshwater resources in the world. Seawater has been used as drinking water in the health, food, and medical fields and various beneficial effects have been suggested, although not confirmed. Given the presence of 63 minerals and trace elements in drinking desalinated seawater (63 DSW), we evaluated their effects on the behavior of tumorigenic and nontumorigenic cells through the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay and annexin-V-fluorescein isothiocyanate/propidium iodide staining...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598339/comparison-of-mi-chromocult-%C3%A2-coliform-and-compass-cc-chromogenic-culture-based-methods-to-detect-escherichia-coli-and-total-coliforms-in-water-using-16s-rrna-sequencing-for-colony-identification
#13
Andrée F Maheux, Sébastien Bouchard, Ève Bérubé, Michel G Bergeron
The MI, Chromocult(®) coliform, and Compass CC chromogenic culture-based methods used to assess water quality by the detection of Escherichia coli and total coliforms were compared in terms of their specificity and sensitivity, using 16S rRNA sequencing for colony identification. A sewage water sample was divided in 2-μL subsamples for testing by all three culture-based methods. All growing colonies were harvested and subjected to 16S rRNA sequencing. Test results showed that all E. coli colonies were correctly identified by all three methods, for a specificity and a sensitivity of 100%...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598338/polysulfone-ultrafiltration-membrane-incorporated-with-ag-sio2-nanohybrid-for-effective-fouling-control
#14
Huiqing Wu, Jing Huang, Yuejun Liu
An anti-fouling hybrid membrane was prepared by incorporating Ag-SiO2 nanohybrid into a polysulfone (PSf) matrix. The addition of Ag-SiO2 can significantly improve the hydrophilicity, separation property, anti-fouling ability, and especially anti-bacterial activity of hybrid membranes. The optimum performance of the Ag-SiO2/PSf hybrid membrane is achieved when the concentration of Ag-SiO2 is as low as 0.45 wt%. Compared with PSf membrane and SiO2/PSf hybrid membrane, the Ag-SiO2/PSf hybrid membrane displays the best overall properties...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28598337/measuring-sporadic-gastrointestinal-illness-associated-with-drinking-water-an-overview-of-methodologies
#15
John Bylund, Jonas Toljander, Maria Lysén, Niloofar Rasti, Jannes Engqvist, Magnus Simonsson
There is an increasing awareness that drinking water contributes to sporadic gastrointestinal illness (GI) in high income countries of the northern hemisphere. A literature search was conducted in order to review: (1) methods used for investigating the effects of public drinking water on GI; (2) evidence of possible dose-response relationship between sporadic GI and drinking water consumption; and (3) association between sporadic GI and factors affecting drinking water quality. Seventy-four articles were selected, key findings and information gaps were identified...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28362312/fungal-biodiversity-and-mycotoxigenic-fungi-in-cooling-tower-water-systems-in-istanbul-turkey
#16
Duygu Göksay Kadaifciler, Rasime Demirel
This is the first study to assess fungal diversity and mycotoxigenic fungi in open recirculating cooling-tower (CT) water systems (biofilm and water phase). The production capability of mycotoxin from fungal isolates was also examined. The mean fungal count in 21 different water and biofilm samples was determined as 234 CFU/100 mL and 4 CFU/cm(2). A total of 32 species were identified by internal transcribed spacer (ITS) sequencing. The most common isolated fungi belonged to the genera Aspergillus and Penicillium, of which the most prevalent fungi were Aspergillus versicolor, Aspergillus niger, and Penicillium dipodomyicola...
April 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28362311/quantitative-analysis-of-glutathione-and-cysteine-s-conjugates-of-microcystin-lr-in-the-liver-kidney-and-muscle-of-common-carp-cyprinus-carpio-in-lake-taihu
#17
Laiyan Wu, Songbo Wang, Min Tao, Ping Xie, Jun Chen
Tissue distribution of microcystin (MC)-LR-GSH, MC-LR-Cys and MC-LR of omnivorous fish in Lake Taihu was investigated. MC-LR and MC-LR-Cys were detected in liver, kidney and muscle. The concentration of MC-LR in liver and kidney was 0.052 μg g(-1) DW and 0.067 μg g(-1) DW, respectively. MC-LR-Cys appeared to be an important metabolite with average contents of 1.104 μg g(-1) DW and 0.724 μg g(-1) DW in liver and kidney, and the MC-LR-Cys/MC-LR ratio in liver and kidney reaching as high as 21.4 and 10.8. High MC-LR-Cys/MC-LR ratio and a significant correlation between MC-LR-Cys and MC-LR concentration in liver, suggest that liver is more active in detoxification of MC-LR by formation of MC-LR-Cys for omnivorous fish...
April 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28362310/seawater-desalination-and-serum-magnesium-concentrations-in-israel
#18
Gideon Koren, Meital Shlezinger, Rachel Katz, Varda Shalev, Yona Amitai
With increasing shortage of fresh water globally, more countries are consuming desalinated seawater (DSW). In Israel >50% of drinking water is now derived from DSW. Desalination removes magnesium, and hypomagnesaemia has been associated with increased cardiac morbidity and mortality. Presently the impact of consuming DSW on body magnesium status has not been established. We quantified changes in serum magnesium in a large population based study (n = 66,764), before and after desalination in regions consuming DSW and in regions where DSW has not been used...
April 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28362309/updating-national-standards-for-drinking-water-a-philippine-experience
#19
M Lomboy, J Riego de Dios, B Magtibay, R Quizon, V Molina, V Fadrilan-Camacho, J See, A Enoveso, L Barbosa, A Agravante
The latest version of the Philippine National Standards for Drinking-Water (PNSDW) was issued in 2007 by the Department of Health (DOH). Due to several issues and concerns, the DOH decided to make an update which is relevant and necessary to meet the needs of the stakeholders. As an output, the water quality parameters are now categorized into mandatory, primary, and secondary. The ten mandatory parameters are core parameters which all water service providers nationwide are obligated to test. These include thermotolerant coliforms or Escherichia coli, arsenic, cadmium, lead, nitrate, color, turbidity, pH, total dissolved solids, and disinfectant residual...
April 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28362308/hydrochemical-characteristics-of-natural-water-and-selenium-rich-water-resources-in-the-northern-daba-mountains-china
#20
Chao Zhao, Kunli Luo, Yajun Du, Yuan Tian, Jie Long, Xiaofeng Zhao, Shixi Zhang
The Northern Daba Mountains (NDM) of Shaanxi Province, China, are a well-known selenium (Se)-rich area, and the area is also known for endemic fluorine (F) and arsenic (As) poisoning. In order to study the hydrochemical characteristics and trace element contents of the natural waters of this region, 62 water samples were collected from Lan'gao area in the NDM. The hydrochemical composition was principally characterized by Ca·Mg-HCO3·SO4. F and As concentrations ranged from 0.01 to 0.67 mg/L and from 0.33 to 6...
April 2017: Journal of Water and Health
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