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https://www.readbyqxmd.com/read/28437896/variability-of-apparent-and-inherent-optical-properties-of-sediment-laden-waters-in-large-river-basins-lessons-from-in-situ-measurements-and-bio-optical-modeling
#1
Sylvain Pinet, Jean-Michel Martinez, Sylvain Ouillon, Bruno Lartiges, Raul Espinoza Villar
We investigated the relationships between inherent and apparent optical properties (IOP and AOP, respectively) and suspended sediment concentrations (SSC) in the main Amazonian river waters. In situ measurements of SSC, remote sensing reflectance (R<sub>rs</sub>), the diffuse light attenuation coefficient (K<sub>d</sub>) and the total and non-algal particle (NAP) absorption coefficients (a<sub>TOT</sub> and a<sub>NAP</sub>, respectively) were conducted during three sampling trips along different streams of the Amazon River catchment (104 stations)...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437775/effect-of-nitrification-inhibitors-on-mitigating-n2o-and-no-emissions-from-an-agricultural-field-under-drip-fertigation-in-the-north-china-plain
#2
Di Tian, Yuanyuan Zhang, Yizhen Zhou, Yujing Mu, Junfeng Liu, Chenglong Zhang, Pengfei Liu
N2O and NO emissions from a winter wheat-summer maize rotation field with five different treatments in the North China Plain (NCP) were comparably investigated from 8 October 2014 to 11 October 2015. Compared with the treatments with only flood or drip irrigation, evident emission peaks of N2O and NO from the fertilization treatments with flood irrigation (A-Flood) and with drip fertigation (A-Drip) were observed after each fertilization event, whereas their emissions from the fertilization treatments with nitrification inhibitors under drip fertigation (A+DCD-Drip and A+Nitrapyrin-Drip) were greatly suppressed...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437768/glomeromycota-communities-survive-extreme-levels-of-metal-toxicity-in-an-orphan-mining-site
#3
I Sánchez-Castro, V Gianinazzi-Pearson, J C Cleyet-Marel, E Baudoin, D van Tuinen
Abandoned tailing basins and waste heaps of orphan mining sites are of great concern since extreme metal contamination makes soil improper for any human activity and is a permanent threat for nearby surroundings. Although spontaneous revegetation can occur, the process is slow or unsuccessful and rhizostabilisation strategies to reduce dispersal of contaminated dust represent an option to rehabilitate such sites. This requires selection of plants tolerant to such conditions, and optimization of their fitness and growth...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437767/building-integrated-agriculture-a-first-assessment-of-aerobiological-air-quality-in-rooftop-greenhouses-i-rtgs
#4
Mireia Ercilla-Montserrat, Rebeca Izquierdo, Jordina Belmonte, Juan Ignacio Montero, Pere Muñoz, Concepción De Linares, Joan Rieradevall
Building-integrated rooftop greenhouse (i-RTG) agriculture has intensified in recent years, due to the growing interest in the development of new agricultural spaces and in the promotion of food self-sufficiency in urban areas. This paper provides a first assessment of the indoor dynamics of bioaerosols in an i-RTG, with the aim of evaluating biological air quality in a tomato greenhouse near Barcelona. It evaluates the greenhouse workers' exposure to airborne pollen and fungal spores in order to prevent allergy problems associated with occupational tasks...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437747/concurrent-evaluation-of-personal-damaging-and-beneficial-uv-exposures-over-an-extended-period
#5
L K Wainwright, A V Parisi, N J Downs
Personal exposure to solar ultraviolet radiation (UVR) is acknowledged as having both positive and negative effects on human health. This study aimed to measure concurrently the personal erythemal UV, UVA and vitamin D effective exposures of participants in each season of a year. Participants were all indoor office workers located at two different sites less than 6.5 km apart at the sub-tropical location of Toowoomba (27°33'S 151°55'E). The subjects wore a combined dosimeter badge horizontally on the shoulder for a minimum of one week in each season; this badge used 8-methoxypsoralen film to record the UVA waveband and polyphenylene oxide film for the erythemal and the vitamin D effective UV wavebands...
April 13, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28437652/review-of-take-home-pesticide-exposure-pathway-in-children-living-in-agricultural-areas
#6
REVIEW
Carly Hyland, Ouahiba Laribi
BACKGROUND: Children of farmworkers may be chronically exposed to pesticides via the take-home exposure pathway. OBJECTIVE: The goal of this review was to analyze scientific literature evaluating the role of the take-home pesticide exposure pathway in children of agricultural workers. METHODS: A systematic review was undertaken and inclusion criteria were applied to identify original articles of interest. Of the 30 articles included in this review, some belonged to the same studies, resulting in a total of 23 studies...
April 21, 2017: Environmental Research
https://www.readbyqxmd.com/read/28437622/sexually-active-bucks-counterbalance-the-seasonal-negative-feedback-of-estradiol-on-lh-in-ovariectomized-goats
#7
A L Muñoz, D Chesneau, H Hernández, M Bedos, G Duarte, J Vielma, L A Zarazaga, P Chemineau, M Keller, J A Delgadillo
We showed previously that the permanent presence of bucks rendered sexually active by photoperiodic treatments, thereafter called photostimulated bucks, prevents the occurrence of seasonal anovulation; also, the introduction of these sexually active bucks induces ovulations during seasonal anestrus. Here, we studied the response of ovariectomized goats bearing 12-mm subcutaneous implants filled or not with estradiol to sexually active males to determine (1) whether the permanent presence of such bucks prevents the decrease of LH despite the presence of a negative feedback by estradiol mimicking that of seasonal anestrus (experiment 1) and (2) whether the introduction of photostimulated bucks increases the plasma LH concentrations in spite of this negative feedback (experiment 2)...
March 31, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/28437572/nearly-a-decade-long-repeatable-seasonal-diversity-patterns-of-bacterioplankton-communities-in-the-eutrophic-lake-donghu-wuhan-china
#8
Qingyun Yan, James C Stegen, Yuhe Yu, Ye Deng, Xinghao Li, Shu Wu, LilI Dai, Xiang Zhang, Jinjin Li, Chun Wang, Jiajia Ni, Xuemei Li, Hongjuan Hu, Fanshu Xiao, Weisong Feng, Daliang Ning, Zhili H E, Joy D Van Nostrand, Liyou Wu, Jizhong Zhou
Uncovering which environmental factors govern community diversity patterns and how ecological processes drive community turnover are key questions related to understand the community assembly. However, the ecological mechanisms regulating long-term variations of bacterioplankton communities in lake ecosystems remains poorly understood. Here we present nearly a decade-long study of bacterioplankton communities from the eutrophic Lake Donghu (Wuhan, China) using 16S rRNA gene amplicon sequencing with MiSeq platform...
April 24, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28437487/crop-and-varietal-diversification-of-rainfed-rice-based-cropping-systems-for-higher-productivity-and-profitability-in-eastern-india
#9
B Lal, Priyanka Gautam, B B Panda, R Raja, Teekam Singh, R Tripathi, M Shahid, A K Nayak
Rice-rice system and rice fallows are no longer productive in Southeast Asia. Crop and varietal diversification of the rice based cropping systems may improve the productivity and profitability of the systems. Diversification is also a viable option to mitigate the risk of climate change. In Eastern India, farmers cultivate rice during rainy season (June-September) and land leftovers fallow after rice harvest in the post-rainy season (November-May) due to lack of sufficient rainfall or irrigation amenities...
2017: PloS One
https://www.readbyqxmd.com/read/28437470/respiratory-syncytial-virus-neutralizing-serum-antibody-titers-in-infants-following-palivizumab-prophylaxis-with-an-abbreviated-dosing-regimen
#10
Jennifer Claydon, Amitava Sur, Allison Callejas, Mihoko Ladd, Eddie Kwan, Richard Taylor, Stuart E Turvey, Alfonso Solimano, Pascal M Lavoie, Nico Marr
BACKGROUND: Monthly injections of palivizumab during the respiratory syncytial virus (RSV) season in at-risk infants reduces RSV-associated hospitalizations. However, the additive effect of naturally acquired immunity remains unclear. The objective of this study was to assess total neutralizing serum antibodies (NAb) against RSV in at-risk infants who had received an abbreviated course of palivizumab prophylaxis. METHODS: Serum samples were collected from infants enrolled in the RSV Immunoprophylaxis Program in British Columbia, Canada over 2 consecutive RSV seasons (2013 to 2015)...
2017: PloS One
https://www.readbyqxmd.com/read/28437225/neck-collar-with-mild-jugular-vein-compression-ameliorates-brain-activation-changes-during-a-working-memory-task-after-a-season-of-high-school-football
#11
Weihong Yuan, James Leach, Thomas Maloney, Mekibib Altaye, David Smith, Paul Gubanich, Kim Barber-Foss, Staci Thomas, Christopher DiCesare, Adam Kiefer, Gregory D Myer
Emerging evidence indicates that repetitive head impacts, even at a sub-concussive level, may result in exacerbated or prolonged neurologic deficits in athletes. This study aimed to: 1) quantify the effect of repetitive head impacts on the alteration of neuronal activity based on fMRI of working memory after a high school football season; and 2) determine whether a neck collar that applies mild jugular vein compression to reduce brain energy absorption in head impact through slosh mitigation can ameliorate the altered fMRI activation during a working memory task...
February 18, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28437184/control-of-mosquito-borne-diseases-in-northwestern-italy-preparedness-from-one-season-to-the-next
#12
Federica Verna, Paola Modesto, Maria Cristina Radaelli, Danila Raffaella Francese, Enrico Monaci, Rosanna Desiato, Carla Grattarola, Simone Peletto, Andrea Mosca, Giovanni Savini, Rosa Chianese, Vittorio Demicheli, Marino Prearo, Laura Chiavacci, Alessandra Pautasso, Cristina Casalone
INTRODUCTION: Mosquito-borne diseases (MBDs) are spreading worldwide due to globalization and climate change, representing a threat for both humans and animals. Of great concern are the infections caused by viruses belonging to the Flavivirus genus as West Nile virus (WNV) and Usutu virus (USUV) transmitted by Culex sp. or Dengue virus and Zika virus (ZIKV), transmitted by Aedes sp. This work describes the surveillance protocol enforced in Piedmont (Northwestern Italy) to control MBDs spread, focusing on the activities performed on mosquitoes during the 2015 vector season...
February 23, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28437174/more-than-fever-thermoregulatory-responses-to-immunological-stimulation-and-consequences-of-thermoregulatory-strategy-on-innate-immunity-in-gopher-tortoises-gopherus-polyphemus
#13
Jeffrey M Goessling, Craig Guyer, Mary T Mendonça
Organisms possess a range of thermoregulatory strategies that may vary in response to sickness, thereby driving important life-history consequences. Because the immune system is vital to maintaining organism function, understanding the suite of immune responses to infection indicates basic costs and benefits of physiological strategies. Here, we assessed consequences of thermoregulation and seasonality on immune function in both immunologically stimulated and nonstimulated gopher tortoises (Gopherus polyphemus)...
July 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28437165/survey-for-listeria-monocytogenes-in-and-on-ready-to-eat-foods-from-retail-establishments-in-the-united-states-2010-through-2013-assessing-potential-changes-of-pathogen-prevalence-and-levels-in-a-decade
#14
John B Luchansky, Yuhuan Chen, Anna C S Porto-Fett, Régis Pouillot, Bradley A Shoyer, Rachel Johnson-DeRycke, Denise R Eblen, Karin Hoelzer, William K Shaw, Jane M van Doren, Michelle Catlin, Jeehyun Lee, Rohan Tikekar, Daniel Gallagher, James A Lindsay, Sherri Dennis
A multiyear interagency Listeria monocytogenes Market Basket Survey was undertaken for selected refrigerated ready-to-eat foods purchased at retail in four FoodNet sites in the United States. Food samples from 16 food categories in six broad groups (seafood, produce, dairy, meat, eggs, and combination foods) were collected weekly at large national chain supermarkets and independent grocery stores in California, Maryland, Connecticut, and Georgia for 100 weeks between December 2010 and March 2013. Of the 27,389 total samples, 116 samples tested positive by the BAX PCR system for L...
April 24, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28437146/homeopathy-for-allergic-rhinitis-a-systematic-review
#15
Kushal Banerjee, Robert T Mathie, Céire Costelloe, Jeremy Howick
OBJECTIVE: The aim of this study was to evaluate the efficacy and effectiveness of homeopathic intervention in the treatment of seasonal or perennial allergic rhinitis (AR). METHOD: Randomized controlled trials evaluating all forms of homeopathic treatment for AR were included in a systematic review (SR) of studies published up to and including December 2015. Two authors independently screened potential studies, extracted data, and assessed risk of bias. Primary outcomes included symptom improvement and total quality-of-life score...
February 16, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28436821/hydrological-modeling-of-fecal-indicator-bacteria-in-a-tropical-mountain-catchment
#16
Minjeong Kim, Laurie Boithias, Kyung Hwa Cho, Norbert Silvera, Chanthamousone Thammahacksa, Keooudone Latsachack, Emma Rochelle-Newall, Oloth Sengtaheuanghoung, Alain Pierret, Yakov A Pachepsky, Olivier Ribolzi
The occurrence of pathogen bacteria in surface waters is a threat to public health worldwide. In particular, inadequate sanitation resulting in high contamination of surface water with pathogens of fecal origin is a serious issue in developing countries such as Lao P.D.R. Despite the health implications of the consumption of contaminated surface water, the environmental fate and transport of pathogens of fecal origin and their indicators (Fecal Indicator Bacteria or FIB) are still poorly known in tropical areas...
April 15, 2017: Water Research
https://www.readbyqxmd.com/read/28436149/transgenic-mir156-switchgrass-in-the-field-growth-recalcitrance-and-rust-susceptibility
#17
Holly L Baxter, Mitra Mazarei, Alexandru Dumitrache, Jace Natzke, Miguel Rodriguez, Jiqing Gou, Chunxiang Fu, Robert W Sykes, Geoffrey B Turner, Mark F Davis, Steven Brown, Brian Davison, Zeng-Yu Wang, C Neal Stewart
Sustainable utilization of lignocellulosic perennial grass feedstocks will be enabled by high biomass production and optimized cell wall chemistry for efficient conversion into biofuels. MicroRNAs are regulatory elements that modulate the expression of genes involved in various biological functions in plants, including growth and development. In greenhouse studies, overexpressing a microRNA (miR156) gene in switchgrass had dramatic effects on plant architecture and flowering, which appeared to be driven by transgene expression levels...
April 24, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28435826/climate-change-and-simulation-of-cardiovascular-disease-mortality-a-case-study-of-mashhad-iran
#18
Mohammad Baaghideh, Fatemeh Mayvaneh
BACKGROUND: Weather and climate play a significant role in human health. We are accustomed to affects the weather conditions. By increasing or decreasing the environment temperature or change of seasons, some diseases become prevalent or remove. This study investigated the role of temperature in cardiovascular disease mortality of city of Mashhad in the current decade and its simulation in the future decades under conditions of climate change. METHODS: Cardiovascular disease mortality data and the daily temperatures data were used during (2004-2013) period...
March 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28435679/targeting-the-pro-inflammatory-factor-ccl2-mcp-1-with-bindarit-for-influenza-a-h7n9-treatment
#19
Stefan Wolf, Scott Johnson, Olivia Perwitasari, Suresh Mahalingam, Ralph A Tripp
Influenza A viruses are important human and animal pathogens. Seasonal influenza viruses cause infections every year, and occasionally zoonotic viruses emerge to cause pandemics with significantly higher morbidity and mortality rates. Three cases of laboratory confirmed human infection with avian influenza A (H7N9) virus were reported in 2013, and there have been several cases reported across South East Asia, and recently in North America. Most patients experience severe respiratory illness, with mortality rates approaching 40%...
March 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28435656/white-tailed-deer-browse-on-an-invasive-shrub-with-extended-leaf-phenology-meets-assumptions-of-an-apparent-competition-hypothesis
#20
Kylie L Martinod, David L Gorchov
It has been hypothesized that invasive plant species with extended leaf phenology (ELP) elevate generalist herbivore populations, increasing herbivory on native plants (apparent competition). This hypothesis assumes that consumption of the invasive is associated with periods of ELP, the invasive is a major component of the herbivore's diet, and that it is more nutritious than native plants during periods of ELP. We tested these assumptions by estimating the proportion of the white-tailed deer diet comprised of Lonicera maackii, an invasive shrub with ELP, quantifying the seasonal pattern of deer browse on this invasive shrub, and comparing its nutritional quality to leafless woody stems...
March 2017: AoB Plants
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