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https://www.readbyqxmd.com/read/28719869/effectiveness-of-table-top-water-pitcher-filters-to-remove-arsenic-from-drinking-water
#1
Roxanna Barnaby, Amanda Liefeld, Brian P Jackson, Thomas H Hampton, Bruce A Stanton
Arsenic contamination of drinking water is a serious threat to the health of hundreds of millions of people worldwide. In the United States ~3 million individuals drink well water that contains arsenic levels above the Environmental Protection Agency (EPA) maximum contaminant level (MCL) of 10μg/L. Several technologies are available to remove arsenic from well water including anion exchange, adsorptive media and reverse osmosis. In addition, bottled water is an alternative to drinking well water contaminated with arsenic...
July 15, 2017: Environmental Research
https://www.readbyqxmd.com/read/28719337/determination-of-some-heavy-metals-in-mastacembelus-mastacembelus-banks-solander-1794-in-terms-of-public-health
#2
M Eroğlu, M Düşükcan, Ö Canpolat, M Çalta, D Şen
In this study, the accumulation of some heavy metals in spiny eel (Mastacembelus mastacembelus Banks and Solander, 1794) living in Karakaya Dam Lake was determined and human health risk of this fish when consumed as food was examined. For this purpose, the amounts of copper (Cu), chromium (Cr), cadmium(Cd), iron (Fe), zinc (Zn) in water samples and in the muscle tissues of the fishes were determined. The amounts of heavy metals showed differences in the muscle tissues of Mastacembelus mastacembelus according to weight, length, sex and age groups of fish...
May 20, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28717347/effect-of-eicosapentaenoic-acids-rich-fish-oil-supplementation-on-motor-nerve-function-after-eccentric-contractions
#3
Eisuke Ochi, Yosuke Tsuchiya, Kenichi Yanagimoto
BACKGROUND: This study investigated the effect of supplementation with fish oil rich in eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) on the M-wave latency of biceps brachii and muscle damage after a single session of maximal elbow flexor eccentric contractions (ECC). METHODS: Twenty-one men were completed the randomized, double-blind, placebo-controlled, and parallel-design study. The subjects were randomly assigned to the fish oil group (n = 10) or control group (n = 11)...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28717113/add-on-antiplatelet-effects-of-eicosapentaenoic-acid-with-tailored-dose-setting-in-patients-on-dual-antiplatelet-therapy
#4
Naoyoshi Hosogoe, Shuichi Ishikawa, Naoyuki Yokoyama, Ken Kozuma, Takaaki Isshiki
The aim of this study was to investigate the antiplatelet effects of eicosapentaenoic acid (EPA) at a sufficient dose following coronary stent implantation. Thirty-one patients on dual antiplatelet therapy with aspirin and clopidogrel were treated with highly purified EPA-E (Epadel(®)) for 12 weeks. Based on our previous study, patients with a high baseline EPA/arachidonic acid (AA) ratio (≥ 0.37; n = 11) were given a standard dose (1800 mg daily) of EPA-E, whereas those with a low EPA/AA ratio (< 0.37; n = 20) were given a high dose (2700 mg daily) to reach the target value of > 0...
July 14, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28714905/effects-of-eicosapentaenoic-acid-epa-and-docosahexaenoic-acid-dha-on-fetal-pulmonary-circulation-an-experimental-study-in-fetal-lambs
#5
Dyuti Sharma, Estelle Aubry, Thavarak Ouk, Ali Houeijeh, Véronique Houfflin-Debarge, Rémi Besson, Philippe Deruelle, Laurent Storme
Background: Persistent pulmonary hypertension of the newborn (PPHN) causes significant morbidity and mortality in neonates. n-3 Poly-unsaturated fatty acids have vasodilatory properties in the perinatal lung. We studied the circulatory effects of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in fetal sheep and in fetal pulmonary arterial rings. Methods: At 128 days of gestation, catheters were placed surgically in fetal systemic and pulmonary circulation, and a Doppler probe around the left pulmonary artery (LPA)...
July 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28713495/awareness-of-epidural-analgesia-among-pregnant-women-in-jeddah-saudi-arabia
#6
Abdulrahim Gari, Ala Aziz, Nourah ALSaleh, Yosra Hamour, Hanaa Abdelal, Raed Sayed Ahmed
BACKGROUND AND OBJECTIVE: Labor pain is one of the most severe forms of pain that women experience throughout their lifetime. Many pregnant women decide to have an epidural anesthesia to cope with labor pain. This study has focused on general awareness about epidural anesthesia among pregnant women in Jeddah, Saudi Arabia. METHODS: This was a cross-sectional hospital-based study using a self-administered questionnaire, conducted in King Faisal Specialist Hospital and Research Center and International Medical Centre...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28712376/grape-pomace-improves-performance-antioxidant-status-fecal-microbiota-and-meat-quality-of-piglets
#7
I Kafantaris, D Stagos, B Kotsampasi, A Hatzis, A Kypriotakis, K Gerasopoulos, S Makri, N Goutzourelas, C Mitsagga, I Giavasis, K Petrotos, S Kokkas, P Goulas, V Christodoulou, D Kouretas
In the present study, grape pomace (GP) was used as feed additive in the diet of weaned piglets in order to develop innovative feedstuffs and to investigate their potential beneficial effects on welfare, productivity and meat quality. For examining the antioxidant capacity of the experimental feeds, 24 piglets of 20 days old were assigned to two experimental groups receiving standard or experimental diet for 30 days. Blood and tissues collections were performed at four different time-points, 2, 20, 35 and 50 days post birth...
July 17, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28712086/pilot-study-investigating-ambient-air-toxics-emissions-near-a-canadian-kraft-pulp-and-paper-facility-in-pictou-county-nova-scotia
#8
Emma Hoffman, Judith R Guernsey, Tony R Walker, Jong Sung Kim, Kate Sherren, Pantelis Andreou
Air toxics are airborne pollutants known or suspected to cause cancer or other serious health effects, including certain volatile organic compounds (VOCs), prioritized by the US Environmental Protection Agency (EPA). While several EPA-designated air toxics are monitored at a subset of Canadian National Air Pollution Surveillance (NAPS) sites, Canada has no specific "air toxics" control priorities. Although pulp and paper (P&P) mills are major industrial emitters of air pollutants, few studies quantified the spectrum of air quality exposures...
July 15, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28711859/associations-between-multiple-green-space-measures-and-birth-weight-across-two-us-cities
#9
Leanne Cusack, Andrew Larkin, Susan E Carozza, Perry Hystad
INTRODUCTION: Several measures of green space exposure have been used in epidemiological research, but their relevance to health, and representation of exposure pathways, remains unclear. Here we examine the relationships between multiple urban green space metrics and associations with term birth weight across two diverse US cities. METHODS: We used Vital Statistics data to create a birth cohort from 2005 to 2009 in the cities of Portland, Oregon (n = 90,265) and Austin, Texas (n = 88,807)...
July 13, 2017: Health & Place
https://www.readbyqxmd.com/read/28710803/expression-of-the-major-vault-protein-mvp-and-cellular-vault-particles-in-fish
#10
Alyssa L Margiotta, Lisa J Bain, Charles D Rice
Cellular vaults are ubiquitous 13 mega Da multi-subunit ribonuceloprotein particles that may have a role in nucleocytoplasmic transport. Seventy percent of the vault's mass consists of a ≈100 kDa protein, the major vault protein. In humans, a drug resistance -associated protein, originally identified as lung resistance protein in metastatic lung cancer, was ultimately shown to be the previously described major vault protein. In this study, a partial major vault protein sequence was cloned from channel catfish...
July 15, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28710178/eicosapentaenoic-and-docosahexaenoic-acids-attenuate-progression-of-albuminuria-in-patients-with-type-2-diabetes-mellitus-and-coronary-artery-disease
#11
Tarec K Elajami, Abdulhamied Alfaddagh, Dharshan Lakshminarayan, Michael Soliman, Madhuri Chandnani, Francine K Welty
BACKGROUND: Albuminuria is a marker of inflammation and an independent predictor of cardiovascular morbidity and mortality. The current study evaluated whether eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) supplementation attenuates progression of albuminuria in subjects with coronary artery disease. METHODS AND RESULTS: Two-hundred sixty-two subjects with stable coronary artery disease were randomized to either Lovaza (1.86 g of EPA and 1.5 g of DHA daily) or no Lovaza (control) for 1 year...
July 14, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28706274/elovanoids-are-novel-cell-specific-lipid-mediators-necessary-for-neuroprotective-signaling-for-photoreceptor-cell-integrity
#12
Bokkyoo Jun, Pranab K Mukherjee, Aram Asatryan, Marie-Audrey Kautzmann, Jessica Heap, William C Gordon, Surjyadipta Bhattacharjee, Rong Yang, Nicos A Petasis, Nicolas G Bazan
Docosahexaenoic acid (DHA, 22:6 n-3) is abundant in the retina and is enzymatically converted into pro-homeostatic docosanoids. The DHA- or eicosapentaenoic acid (EPA)-derived 26 carbon fatty acid is a substrate of elongase ELOVL4, which is expressed in photoreceptor cells and generates very long chain (≥C28) polyunsaturated fatty acids including n-3 (VLC-PUFAs,n-3). While ELOVL4 mutations are linked to vision loss and neuronal dysfunctions, the roles of VLC-PUFAs remain unknown. Here we report a novel class of lipid mediators biosynthesized in human retinal pigment epithelial (RPE) cells that are oxygenated derivatives of VLC-PUFAs,n-3; we termed these mediators elovanoids (ELV)...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28704391/visceral-leishmaniasis-in-an-environmentally-protected-area-in-southeastern-brazil-epidemiological-and-laboratory-cross-sectional-investigation-of-phlebotomine-fauna-wild-hosts-and-canine-cases
#13
Maria Rita Donalisio, Laís Moraes Paiz, Vanessa Gusmon da Silva, Virgínia Bodelão Richini-Pereira, Andrea Paula Bruno von Zuben, Claudio Luiz Castagna, Gabriela Motoie, Roberto Mitsuyoshi Hiramoto, José Eduardo Tolezano
BACKGROUND: Leishmaniasis is a rapidly expanding zoonosis that shows increasing urbanization. Concern exists regarding the role of wildlife in visceral leishmaniasis (VL) transmission, due to frequent natural or anthropogenic environmental changes that facilitate contact between wildlife, humans and their pets. The municipality of Campinas, in southeastern Brazil, initially recorded VL in 2009, when the first autochthonous case was confirmed in a dog living in an upscale residential condominium, located inside an environmentally protected area (EPA)...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28701748/gold-nanoparticles-dotted-reduction-graphene-oxide-nanocomposite-based-electrochemical-aptasensor-for-selective-rapid-sensitive-and-congener-specific-pcb77-detection
#14
Lidong Wu, Xianbo Lu, Xiaochen Fu, Lingxia Wu, Huan Liu
Gold nanoparticles (AuNP) dotted reduction graphene oxide (RGO-AuNP) is used as a platform for an aptamer biosensor to selectively detect 3,3'4,4'-polychlorinated biphenyls (PCB77). By anchoring aptamers onto the binding sites of RGO-AuNP and making use of the synergy effect of RGO and AuNP, the RGO-AuNP based biosensor exhibits superior analytical performances to AuNP based biosensor in terms of sensitivity and repeatability. The sensitivity of RGO-AuNP based aptamers (RGO-AuNP-Ap) biosensor (226.8 μA cm(-2)) is nearly two times higher than that of Au based biosensors (AuNP-Ap/Au electrode, 147...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28700462/validity-of-level-of-supervision-scales-for-assessing-pediatric-fellows-on-the-common-pediatric-subspecialty-entrustable-professional-activities
#15
Richard B Mink, Alan Schwartz, Bruce E Herman, David A Turner, Megan L Curran, Angela Myers, Deborah C Hsu, Jennifer C Kesselheim, Carol L Carraccio
PURPOSE: Entrustable professional activities (EPAs) represent the routine and essential activities that physicians perform in practice. Although some level of supervision scales have been proposed, they have not been validated. In this study, the investigators created level of supervision scales for EPAs common to the pediatric subspecialties and then examined their validity in a study conducted by the Subspecialty Pediatrics Investigator Network (SPIN). METHOD: SPIN Steering Committee members used a modified Delphi process to develop unique scales for six of the seven common EPAs...
July 11, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28699343/characterization-of-adipogenic-activity-of-house-dust-extracts-and-semi-volatile-indoor-contaminants-in-3t3-l1-cells
#16
Christopher D Kassotis, Kate Hoffman, Heather M Stapleton
Obesity and metabolic disorders are of great societal concern and generate significant human health care costs. Recently, attention has focused on the potential for environmental contaminants to act as metabolic disruptors. This study sought to evaluate the adipogenic activity of indoor house dust extracts and a suite of semivolatile organic chemicals (SVOCs) that are often ubiquitously detected in indoor environments. 3T3-L1 cells were exposed to extracts of indoor dust or individual SVOCs and assessed for triglyceride accumulation and preadipocyte proliferation...
July 12, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28697946/characterization-and-source-apportionment-of-polycyclic-aromatic-hydrocarbons-pahs-in-the-sediments-of-gulf-of-pozzuoli-campania-italy
#17
Michele Arienzo, Carlo Donadio, Olga Mangoni, Francesco Bolinesi, Corrado Stanislao, Marco Trifuoggi, Maria Toscanesi, Gabriella Di Natale, Luciano Ferrara
Most of the literature reports on the impact of the former Bagnoli brownfield on the pollution of Bagnoli Bay, embedded in the Gulf of Pozzuoli (GoP). Thus, we studied concentrations, types and sources of sixteen PAHs (EPA) in sediments at 22 sites along 5 transects covering the entire area of GoP. Outstanding levels of PAHs were found, varying from 7.1μgg(-1) to 2.5 E+3μgg(-1). Sediments collected at sites far away from Bagnoli were found to be polluted to a similar extent than those facing the brownfield site, with values>100μgg(-1)...
July 8, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28697730/dietary-supplementation-of-%C3%AE-linolenic-acid-induced-conversion-of-n-3-lcpufas-and-reduced-prostate-cancer-growth-in-a-mouse-model
#18
Jingjing Li, Zhennan Gu, Yong Pan, Shunhe Wang, Haiqin Chen, Hao Zhang, Wei Chen, Yong Q Chen
BACKGROUND: α-linolenic acid (ALA) is an n-3 polyunsaturated fatty acid (PUFA) and the substrate for long-chain n-3 PUFAs. The beneficial effects of ALA on chronic diseases are still in dispute, unlike those of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). METHODS: The primary objective of this investigation was to evaluate the efficiency of ALA uptake from a vegetable oil source and its subsequent conversion to n-3 long-chain PUFAs (LCPUFAs) in the tissues of growing mice, and to investigate its protective role in a prostate cancer animal model...
July 11, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28697636/increasing-dietary-epa-and-dha-influence-estimated-fatty-acid-desaturase-activity-in-systemic-organs-which-is-reflected-in-the-red-blood-cell-in-mice
#19
Emily A Davidson, C Austin Pickens, Jenifer I Fenton
Delta-5 (D5D) and delta-6 (D6D) desaturase are key enzymes in fatty acid (FA) metabolism. Dietary eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) may alter tissue FA composition via D5D and D6D. The purpose was to determine the relationship between dietary EPA + DHA, estimated desaturase activities of various tissues and the reflection of desaturase activity in the red blood cell (RBC). Mice were fed diets with increasing percent of energy from EPA + DHA. Phospholipid FA composition of heart, muscle, spleen, lung, adipose tissues and RBC were analysed...
July 11, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28694970/increasing-evidence-indicates-low-bioaccumulation-of-carbon-nanotubes
#20
Rhema Bjorkland, David Tobias, Elijah J Petersen
As the production of carbon nanotubes (CNTs) expands, so might the potential for release into the environment. The possibility of bioaccumulation and toxicological effects has prompted research on their fate and potential ecological effects. For many organic chemicals, bioaccumulation properties are associated with lipid-water partitioning properties. However, predictions based on phase partitioning provide a poor fit for nanomaterials. In the absence of data on the bioaccumulation and other properties of CNTs, the Office of Pollution Prevention and Toxics (OPPT) within the US Environmental Protection Agency (EPA) subjects new pre-manufacture submissions for all nanomaterials to a higher-level review...
2017: Environmental Science. Nano
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