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https://www.readbyqxmd.com/read/29238843/management-practices-used-in-agricultural-drainage-ditches-to-reduce-gulf-of-mexico-hypoxia
#1
REVIEW
Derek R Faust, Robert Kröger, Matthew T Moore, Scott A Rush
Agricultural non-point sources of nutrients and sediments have caused eutrophication and other water quality issues in aquatic and marine ecosystems, such as the annual occurrence of hypoxia in the Gulf of Mexico. Management practices have been implemented adjacent to and in agricultural drainage ditches to promote their wetland characteristics and functions, including reduction of nitrogen, phosphorus, and sediment losses downstream. This review: (1) summarized studies examining changes in nutrient and total suspended solid concentrations and loads associated with management practices in drainage ditches (i...
December 13, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/29236018/urban-stormwater-inundation-simulation-based-on-swmm-and-diffusive-overland-flow-model
#2
Wenjie Chen, Guoru Huang, Han Zhang
With rapid urbanization, inundation-induced property losses have become more and more severe. Urban inundation modeling is an effective way to reduce these losses. This paper introduces a simplified urban stormwater inundation simulation model based on the United States Environmental Protection Agency Storm Water Management Model (SWMM) and a geographic information system (GIS)-based diffusive overland-flow model. SWMM is applied for computation of flows in storm sewer systems and flooding flows at junctions, while the GIS-based diffusive overland-flow model simulates surface runoff and inundation...
December 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29229740/bone-marrow-derived-cpla2%C3%AE-contributes-to-renal-fibrosis-progression
#3
John R Montford, Allison M B Lehman, Colin D Bauer, Jelena Klawitter, Jost Klawitter, Joanna M Poczobutt, Micah Scobey, Mary Weiser-Evans, Raphael A Nemenoff, Seth B Furgeson
The group IVA calcium dependent cytosolic phospholipase A2 enzyme (cPLA2α) directs a complex eicosanoid storm which accompanies the tissue response to injury. cPLA2α, and its downstream eicosanoid mediators, are also implicated in the pathogenesis of fibrosis in many organs including the kidney. We aimed to determine the role of cPLA2α in bone marrow-derived cells in a murine model of renal fibrosis, unilateral ureteral obstruction (UUO). Wild type (WT) C57BL/6J mice were irradiated and engrafted with donor bone marrow from either WT mice (WT-BMT) or mice deficient in cPLA2α (KO-BMT)...
December 11, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/29227984/microrna-146b-5p-identified-in-porcine-liver-donation-model-is-associated-with-early-allograft-dysfunction-in-human-liver-transplantation
#4
Cheukfai Li, Qiang Zhao, Wei Zhang, Maogen Chen, Weiqiang Ju, Linwei Wu, Ming Han, Yi Ma, Xiaofeng Zhu, Dongping Wang, Zhiyong Guo, Xiaoshun He
BACKGROUND Poor transplant outcome was observed in donation after brain death followed by circulatory death (DBCD), since the donor organs suffered both cytokine storm of brain death and warm ischemia injury. MicroRNAs (miRNAs) have emerged as promising disease biomarkers, so we sought to establish a miRNA signature of porcine DBCD and verify the findings in human liver transplantation. MATERIAL AND METHODS MiRNA expression was determined with miRNA sequencing in 3 types of the porcine model of organ donation, including donation after brain death (DBD) group, donation after circulatory death (DCD) group, and DBCD group...
December 11, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29227618/tackling-the-challenges-of-dynamic-experiments-using-liquid-cell-transmission-electron-microscopy
#5
Lucas R Parent, Evangelos Bakalis, Maria Proetto, Yiwen Li, Chiwoo Park, Francesco Zerbetto, Nathan C Gianneschi
Revolutions in science and engineering frequently result from the development, and wide adoption, of a new, powerful characterization or imaging technique. Beginning with the first glass lenses and telescopes in astronomy, to the development of visual-light microscopy, staining techniques, confocal microscopy, and fluorescence super-resolution microscopy in biology, and most recently aberration-corrected, cryogenic, and ultrafast (4D) electron microscopy, X-ray microscopy, and scanning probe microscopy in nanoscience...
December 11, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29226751/nordic-cancer-registries-an-overview-of-their-procedures-and-data-comparability
#6
Eero Pukkala, Gerda Engholm, Lise Kristine Højsgaard Schmidt, Hans Storm, Staffan Khan, Mats Lambe, David Pettersson, Elínborg Ólafsdóttir, Laufey Tryggvadóttir, Tiina Hakanen, Nea Malila, Anni Virtanen, Tom Børge Johannesen, Siri Larønningen, Giske Ursin
BACKGROUND: The Nordic Cancer Registries are among the oldest population-based registries in the world, with more than 60 years of complete coverage of what is now a combined population of 26 million. However, despite being the source of a substantial number of studies, there is no published paper comparing the different registries. Therefore, we did a systematic review to identify similarities and dissimilarities of the Nordic Cancer Registries, which could possibly explain some of the differences in cancer incidence rates across these countries...
December 11, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29223120/de-icing-salt-contamination-reduces-urban-tree-performance-in-structural-soil-cells
#7
Camilo Ordóñez-Barona, Vadim Sabetski, Andrew A Millward, James Steenberg
Salts used for de-icing roads and sidewalks in northern climates can have a significant impact on water quality and vegetation. Sub-surface engineering systems, such as structural soil cells, can regulate water runoff and pollutants, and provide the necessary soil volume and irrigation to grow trees. However, the ability of such systems to manage de-icing salt contamination, and the impact of this contamination on the trees growing in them, have not been evaluated. We report on an field investigation of de-icing salt contamination in structural cells in two street-revitalization projects in Toronto, Canada, and the impact of this contamination on tree performance...
December 6, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29221681/hypercalcemic-crisis-and-primary-hyperparathyroidism-cause-of-an-unusual-electrical-storm
#8
Tatiana Guimarães, Miguel Nobre Menezes, Diogo Cruz, Sónia do Vale, Armando Bordalo, Arminda Veiga, Fausto J Pinto, Dulce Brito
Hypercalcemia is a known cause of heart rhythm disorders, however its association with ventricular arrhythmias is rare. The authors present a case of a fifty-three years old male patient with a ischemic and ethanolic dilated cardiomyopathy, and severely reduced ejection fraction, carrier of cardiac resynchronization therapy (CRT) with cardioverter defibrillator (ICD), admitted in the emergency department with an electrical storm, with multiple appropriated ICD shocks, refractory to antiarrhythmic therapy. In the etiological investigation was documented severe hypercalcemia secondary to primary hyperparathyroidism undiagnosed until then...
December 5, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29220858/long-term-successful-closure-of-a-percutaneous-intragastric-trocar-tract-with-crossing-full-thickness-sutures-in-a-porcine-model
#9
Andrew C Storm, Hiroyuki Aihara, Matthew J Skinner, Marvin Ryou, Christopher C Thompson
Background and study aims A novel intragastric trocar placed using a percutaneous endoscopic gastrostomy technique enables the use of laparoscopic tools and procedures, including tissue stapling, cutting, suturing, and retraction. The aim of this porcine study was to determine long-term success of crossing full-thickness sutures in closure of the tract upon trocar withdrawal. Methods 10 trocars were placed in 5 animals. Each animal underwent a standardized tissue resection using a 5-mm stapler under gastroscopic guidance, and two full-thickness, absorbable, crossing sutures were used to close the trocar tracts...
December 8, 2017: Endoscopy
https://www.readbyqxmd.com/read/29217463/electrical-storm-in-the-early-phase-of-heartmate%C3%A2-ii-device-implantation-incidence-risk-factors-and-prognosis
#10
Jerome Corre, François Picard, Rodrigue Garcia, Adlane Zemmoura, Nicolas Derval, Arnaud Denis, Antoine Romen, Karine Nubret, Pierre Jais, Michel Haissaguerre, Pierre Dos Santos, Laurent Barandon, Frederic Sacher
BACKGROUND: Ventricular arrhythmia is common after left ventricular assist device (LVAD) implantation, especially in the early postoperative phase (<30 days). AIM: To identify the incidence of and risk factors for electrical storm (ES) occurring within 30 days of HeartMate® II implantation. METHODS: We reviewed data from all consecutive patients undergoing HeartMate® II device implantation at our institution from January 2008 to December 2014...
December 4, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/29217140/inhibition-of-canonical-wnt-signaling-pathway-by-%C3%AE-catenin-cbp-inhibitor-icg-001-ameliorates-liver-fibrosis-in-vivo-through-suppression-of-stromal-cxcl12
#11
Büsra Öztürk Akcora, Gert Storm, Ruchi Bansal
Quiescent hepatic stellate cells (HSCs), in response to liver injury, undergo characteristic morphological transformation into proliferative, contractile and ECM-producing myofibroblasts. In this study, we investigated the implication of canonical Wnt signaling pathway in HSCs and liver fibrogenesis. Canonical Wnt signaling pathway activation and inhibition using β-catenin/CBP inhibitor ICG001 was examined in-vitro in TGFβ-activated 3T3, LX2, primary human HSCs, and in-vivo in CCl4-induced acute liver injury mouse model...
December 4, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29216533/assessing-the-zoonotic-potential-of-arboviruses-of-african-origin
#12
REVIEW
Marietjie Venter
Several African arboviruses have emerged over the past decade in new regions where they caused major outbreaks in humans and/or animals including West Nile virus, Chikungunya virus and Zika virus. This raise questions regarding the importance of less known zoonotic arboviruses in local epidemics in Africa and their potential to emerge internationally. Syndromic surveillance in animals may serve as an early warning system to detect zoonotic arbovirus outbreaks. Rift Valley fever and Wesselsbronvirus are for example associated with abortion storms in livestock while West Nile-virus, Shuni virus and Middelburg virus causes neurological disease outbreaks in horses and other animals...
December 4, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/29216236/aggregated-responses-of-human-mobility-to-severe-winter-storms-an-empirical-study
#13
Yan Wang, Qi Wang, John E Taylor
Increasing frequency of extreme winter storms has resulted in costly damages and a disruptive impact on the northeastern United States. It is important to understand human mobility patterns during such storms for disaster preparation and relief operations. We investigated the effects of severe winter storms on human mobility during a 2015 blizzard using 2.69 million Twitter geolocations. We found that displacements of different trip distances and radii of gyration of individuals' mobility were perturbed significantly...
2017: PloS One
https://www.readbyqxmd.com/read/29216161/analytical-registration-of-vertical-image-drifts-in-parallel-beam-tomographic-data
#14
Malte Storm, Felix Beckmann, Christoph Rau
Reconstructing tomographic images of high resolution, as in x-ray microscopy or transmission electron microscopy, is often limited by the stability of the stages or sample drifts, which requires an image alignment prior to reconstruction. Feature-based image registration is routinely used to align images, but this technique relies on strong features in the sample or the application of gold tracer particles, for example. In this Letter, we present an analytic approach for achieving the vertical registration based on the inherent properties of the data acquired for tomographic reconstruction...
December 1, 2017: Optics Letters
https://www.readbyqxmd.com/read/29215017/active-site-plasticity-revealed-in-the-asymmetric-dimer-of-anprx6-the-1-cys-peroxiredoxin-and-molecular-chaperone-from-anabaena-sp-pcc-7210
#15
Yogesh Mishra, Michael Hall, Roland Locmelis, Kwangho Nam, Christopher A G Söderberg, Patrik Storm, Neha Chaurasia, Lal Chand Rai, Stefan Jansson, Wolfgang P Schröder, Uwe H Sauer
Peroxiredoxins (Prxs) are vital regulators of intracellular reactive oxygen species levels in all living organisms. Their activity depends on one or two catalytically active cysteine residues, the peroxidatic Cys (CP) and, if present, the resolving Cys (CR). A detailed catalytic cycle has been derived for typical 2-Cys Prxs, however, little is known about the catalytic cycle of 1-Cys Prxs. We have characterized Prx6 from the cyanobacterium Anabaena sp. strain PCC7120 (AnPrx6) and found that in addition to the expected peroxidase activity, AnPrx6 can act as a molecular chaperone in its dimeric state, contrary to other Prxs...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29212620/one-year-outcome-for-congenital-diaphragmatic-hernia-results-from-the-french-national-register
#16
François Barrière, Fabrice Michel, Anderson D Loundou, Virginie Fouquet, Elsa Kermorvant, Sébastien Blanc, Elisabeth Carricaburu, Amélie Desrumaux, Odile Pidoux, Alexis Arnaud, Nicolas Berte, Thierry Blanc, Frederic Lavrand, Guillaume Levard, Isabelle Rayet, Sylvain Samperiz, Anne Schneider, Marie-Odile Marcoux, Norbert Winer, Yann Chaussy, Valérie Datin-Dorriere, Quentin Ballouhey, Aurélien Binet, Charles Muszynski, Jean Breaud, Armelle Garenne, Laurent Storme, Julia Boubnova
OBJECTIVE: To evaluate the status of congenital diaphragmatic hernia (CDH) management in France and to assess predictors of adverse outcomes. STUDY DESIGN: We reviewed the first-year outcome of all cases of CDH reported to the French National Register in 2011. RESULTS: A total of 158 cases were included. Of these, 83% (131) were prenatally diagnosed, with a mortality rate of 39% (44 of 112) for live born infants with a known outcome at hospital discharge...
December 4, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29212065/development-of-the-visual-system-in-a-burrow-nesting-seabird-leach-s-storm-petrel
#17
Mindaugas Mitkus, Gabrielle A Nevitt, Almut Kelber
Little is known about the development of vision in wild birds. It is unknown, for example, whether the ability to see can be predicted by the level of prenatal growth or whether the eyes are open at hatching in a particular species. In this study, we investigated the growth of eyes, the formation of retinal ganglion cell topography, and the appearance of simple, visually guided behaviours in chicks of a small procellariiform seabird, Leach's storm petrel (Oceanodroma leucorhoa). This semi-precocial species, which has a well-developed sense of smell, nests in underground burrows where adults provision chicks for 6-8 weeks in the dark before fledging...
December 7, 2017: Brain, Behavior and Evolution
https://www.readbyqxmd.com/read/29210689/an-evaluation-of-hydrologic-modeling-performance-of-epa-swmm-for-bioretention
#18
Sezar Gülbaz, Cevza Melek Kazezyılmaz-Alhan
Recent techniques should be investigated in detail to avoid present and future problems of urbanization like flood, drought and water pollution. Low Impact Development (LID) Best Management Practices (BMPs) such as bioretentions, green roofs, rain barrels, vegetative swales, and permeable pavements have been implemented to diminish the adverse effects of urbanization. In this study, a hydrological model for a Rainfall-Watershed-Bioretention (RWB) system is developed by using the Environmental Protection Agency Storm Water Management Model (EPA SWMM)...
December 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29209024/future-loss-of-arctic-sea-ice-cover-could-drive-a-substantial-decrease-in-california-s-rainfall
#19
Ivana Cvijanovic, Benjamin D Santer, Céline Bonfils, Donald D Lucas, John C H Chiang, Susan Zimmerman
From 2012 to 2016, California experienced one of the worst droughts since the start of observational records. As in previous dry periods, precipitation-inducing winter storms were steered away from California by a persistent atmospheric ridging system in the North Pacific. Here we identify a new link between Arctic sea-ice loss and the North Pacific geopotential ridge development. In a two-step teleconnection, sea-ice changes lead to reorganization of tropical convection that in turn triggers an anticyclonic response over the North Pacific, resulting in significant drying over California...
December 5, 2017: Nature Communications
https://www.readbyqxmd.com/read/29208974/bioaccumulation-of-pharmaceuticals-and-personal-care-product-chemicals-in-fish-exposed-to-wastewater-effluent-in-an-urban-wetland
#20
Derek Muir, Denina Simmons, Xiaowa Wang, Tom Peart, Maria Villella, Jason Miller, Jim Sherry
The bioaccumulation of a broad range of pharmaceuticals and personal care product chemicals (PPCPs) was studied in Cootes Paradise Marsh (CPM), an urban wetland that receives tertiary treated municipal waste waters as well as urban storm runoff. We measured PPCPs in caged and wild goldfish, as well as wild carp, and compared observed bioaccumulation factors (BAFP) using concentrations in surface waters and fish blood plasma, with modeled BAFs. Thirty-two PPCPs were detected in water from the central CPM site (CPM3) while 64 PPCPs were found at higher concentrations at a site immediately downstream of the effluent outflow (CPM1)...
December 5, 2017: Scientific Reports
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