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https://www.readbyqxmd.com/read/28644770/the-impact-of-photovoltaic-pv-installations-on-downwind-particulate-matter-concentrations-results-from-field-observations-at-a-550-mwac-utility-scale-pv-plant
#1
Dwarakanath Ravikumar, Parikhit Sinha
With utility-scale photovoltaic(PV) projects increasingly developed in dry and dust-prone geographies with high solar insolation, there is a critical need to analyze the impacts of PV installations on the resulting particulate-matter(PM) concentrations which have environmental and health impacts. This study is the first to quantify the impact of a utility-scale PV plant on PM concentrations downwind of the project site. Background, construction and post-construction PM2.5 and PM10 concentration data are collected from four beta attenuation monitor(BAM) stations over 3 years...
June 23, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28641137/real-time-pcr-methods-for-the-detection-of-blown-pack-spoilage-causing-clostridium-species-c-estertheticum-c-gasigenes-and-c-ruminantium
#2
Rachael Reid, Catherine M Burgess, Evonne McCabe, Séamus Fanning, Paul Whyte, Joe Kerry, Declan Bolton
A set of real-time PCR methods for the detection of C. estertheticum, C. gasigenes and C. ruminantium, the causative agents of blown pack spoilage (BPS) in vacuum packaged beef, was developed. Robust validation of the sensitivity and specificity was carried out in the three matrices (beef meat drip, wet environmental swabs and dry environmental swabs) as encountered in our testing laboratory and against Clostridium strains (n=76) and non-Clostridium strains (n=36). It was possible to detect 4-5 spores per ml for C...
June 3, 2017: Meat Science
https://www.readbyqxmd.com/read/28640841/a-sorghum-sorghum-bicolor-mutant-with-altered-carbon-isotope-ratio
#3
Govinda Rizal, Shanta Karki, Vivek Thakur, Samart Wanchana, Hugo Alonso-Cantabrana, Jacque Dionora, John E Sheehy, Robert Furbank, Susanne von Caemmerer, William Paul Quick
Recent efforts to engineer C4 photosynthetic traits into C3 plants such as rice demand an understanding of the genetic elements that enable C4 plants to outperform C3 plants. As a part of the C4 Rice Consortium's efforts to identify genes needed to support C4 photosynthesis, EMS mutagenized sorghum populations were generated and screened to identify genes that cause a loss of C4 function. Stable carbon isotope ratio (δ13C) of leaf dry matter has been used to distinguishspecies with C3 and C4 photosynthetic pathways...
2017: PloS One
https://www.readbyqxmd.com/read/28640610/the-role-of-denitrification-in-stormwater-detention-basin-treatment-of-nitrogen
#4
Natalie R Morse, Lauren Elyse McPhillips, James P Shapleigh, Michael Todd Walter
The nitrogen (N) cycling dynamics of four stormwater basins, two often saturated sites ("Wet Basins") and two quick draining sites ("Dry Basins"), were monitored over a ~1-year period. This study paired stormwater and greenhouse gas monitoring with microbial analyses to elucidate the mechanisms controlling N treatment. Annual dissolved inorganic N (DIN) mass reductions (inflow minus outflow) were greater in the Dry Basin than in the Wet Basin, 2.16 vs. 0.75 g N m-2 yr-1, respectively. The Dry Basin infiltrated a much larger volume of water and thus had greater DIN mass reductions, even though incoming and outgoing DIN concentrations were statistically the same for both sites...
June 22, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28640356/diameter-distribution-in-a-brazilian-tropical-dry-forest-domain-predictions-for-the-stand-and-species
#5
Robson B DE Lima, Lina Bufalino, Francisco T Alves, José A A DA Silva, Rinaldo L C Ferreira
Currently, there is a lack of studies on the correct utilization of continuous distributions for dry tropical forests. Therefore, this work aims to investigate the diameter structure of a brazilian tropical dry forest and to select suitable continuous distributions by means of statistic tools for the stand and the main species. Two subsets were randomly selected from 40 plots. Diameter at base height was obtained. The following functions were tested: log-normal; gamma; Weibull 2P and Burr. The best fits were selected by Akaike's information validation criterion...
April 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28639158/development-of-a-survivorship-needs-assessment-planning-tool-for-head-and-neck-cancer-survivors-and-their-caregivers-a-preliminary-study
#6
K R Sterba, J Zapka, N LaPelle, T K Garris, A Buchanan, M Scallion, T Day
PURPOSE: The purpose of this study was to characterize primary end-of-treatment challenges in head and neck cancer (HNC) to drive the development of a survivorship needs assessment planning (SNAP) tool and evaluate its acceptability and feasibility. METHODS: Using qualitative methods (focus groups, interviews), we identified physical, emotional, and social post-treatment challenges from the perspectives of survivors (N = 17), caregivers (N = 14), and healthcare providers (N = 14) and pretested the SNAP tool...
June 21, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28631438/foot-health-of-nurses-a-cross-sectional-study
#7
Minna Stolt, Riitta Suhonen, Emilia Kielo, Jouko Katajisto, Helena Leino-Kilpi
AIM: To analyze the level of nurses' foot health and its associations with work well-being. METHODS: A descriptive, cross-sectional study design was applied to a random sample of Finnish nurses (n = 411). The data were collected between May 18 and June 21, 2015 using a self-administered Foot Health Assessment Instrument and analyzed using descriptive statistics and parametric tests. RESULTS: Nurses had a variety of foot problems. Dry skin, foot pain, and corns or calluses were the most prevalent foot problems...
June 19, 2017: International Journal of Nursing Practice
https://www.readbyqxmd.com/read/28628628/transcriptional-mechanisms-associated-with-seed-dormancy-and-dormancy-loss-in-the-gibberellin-insensitive-sly1-2-mutant-of-arabidopsis-thaliana
#8
Sven K Nelson, Camille M Steber
While widespread transcriptome changes were previously observed with seed dormancy loss, this study specifically characterized transcriptional changes associated with the increased seed dormancy and dormancy loss of the gibberellin (GA) hormone-insensitive sleepy1-2 (sly1-2) mutant. The SLY1 gene encodes the F-box subunit of an SCF E3 ubiquitin ligase needed for GA-triggered proteolysis of DELLA repressors of seed germination. DELLA overaccumulation in sly1-2 seeds leads to increased dormancy that can be rescued without DELLA protein destruction either by overexpression of the GA receptor, GA-INSENSITIVE DWARF1b (GID1b-OE) (74% germination) or by extended dry after-ripening (11 months, 51% germination)...
2017: PloS One
https://www.readbyqxmd.com/read/28627056/feed-intake-patterns-of-sport-ponies-and-warmblood-horses-following-iso-energetic-intake-of-pelleted-fibre-rich-mixed-feed-muesli-feed-and-semicrushed-oat-grains
#9
M Bochnia, M Boesel, L Bahrenthien, M Wensch-Dorendorf, A Zeyner
The aim of the study was to compare diverse feed intake patterns in sport ponies and warmblood-type horses after feeding iso-energetic amounts of three different concentrates: a pelleted fibre-rich mixed feed (PF), a muesli feed (MF) and semicrushed oat grains (OG). Four sport ponies and six warmblood-type horses received the concentrates and meadow hay according to maintenance (0.52 MJ metabolizable energy (ME) kg body weight (BW)(0.75) /day). Both breeds were allocated at random to three groups and received once daily for 8 days either OG (1 g starch/kg BW/meal) or iso-energetic quantities of PF and MF according to a crossover design...
June 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28624279/the-use-of-national-level-data-to-describe-trends-in-intramammary-antimicrobial-usage-on-irish-dairy-farms-from-2003-to-2015
#10
Simon J More, Tracy A Clegg, Finola McCoy
In this study, we used national-level data to describe trends in on-farm intramammary antimicrobial usage in Ireland from 2003 to 2015. We calculated actual sales of intramammary tubes and the quantity of active substance sold, by year, product type [lactation or dry cow therapy (DCT)], antimicrobial group, World Health Organization antimicrobial classification, and from 2009 to 2015, prescribing route. We also estimated on-farm usage of lactation and dry cow intramammary antimicrobials using defined daily dose (DDDvet) and defined course dose (DCDvet) calculations, and dry cow coverage...
June 14, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28623926/perennial-transmission-of-malaria-in-the-low-altitude-areas-of-baringo-county-kenya
#11
Collince J Omondi, Daniel Onguru, Lucy Kamau, Mark Nanyingi, George Ong'amo, Benson Estambale
BACKGROUND: Malaria causes the greatest public health burden in sub-Saharan Africa where high mortality occurs mainly in children under 5 years of age. Traditionally, malaria has been reported mainly in the lowlands endemic regions of western Kenya, while the highlands of the Rift Valley have been relatively free except for the sporadic epidemics in some areas. Baringo County is located in the Kenyan highlands. The county generally experiences seasonal transmission of malaria. A few hotspots which experience continuous malaria transmission in the county do however exist...
June 17, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28622792/a-cross-sectional-field-study-on-potential-associations-between-feed-quality-measures-and-usage-of-antimicrobials-in-commercial-mink-neovison-vison
#12
V F Jensen, H M Sommer, T Struve, J Clausen, M Chriél
Feed quality is generally assumed to affect health status in animal production. In previous studies, the feed producer has been found to affect the occurrence of gastrointestinal disease and antimicrobial use in Mink (Neovison vison). Mink are fed with moist, freshly produced feed, based on perishable ingredients. The objective of this study was to investigate the potential effect of specific feed parameters on antimicrobial use on herd level. The study was cross-sectional, including 1472 mink herds, responsible for 97% of oral antimicrobials prescribed for Danish mink during the study period, 2012-2014...
August 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28620730/advances-towards-painless-vaccination-and-newer-modes-of-vaccine-delivery
#13
Neha Garg, Anju Aggarwal
Vaccines have been successful in reducing the mortality and morbidity, but most of them are delivered by intramuscular or intravenous route. They are associated with pain to the baby and bring lot of anxiety for the parents. There has been a marked increase in the number of injections required in first two years of life for completing the vaccination schedule. Hence, there is a need to have a painless vaccine delivery system. Numerous new routes of vaccination like, oral, nasal and transdermal routes are being tried...
June 16, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28619451/ribbon-thickness-influences-fine-generation-during-dry-granulation
#14
Wei-Jhe Sun, Changquan Calvin Sun
Uncontrolled fine generation during the milling process is a challenge for dry granulation by roller compaction. Here, we report the observation that ribbon thickness can significantly influence percentage of fines. Thus, among other parameters, ribbon thickness needs to be controlled for the development of a robust roller compaction process and ensure successful scale up.
June 12, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28619128/bioimpedance-based-rather-than-weight-based-ultrafiltration-prescription-for-children-on%C3%A2-maintenance-hemodialysis%C3%A2
#15
Gianluigi Ardissino, Mirco Belingheri, Michela Perrone, Francesca Tel, Dario Consonni, Sara Testa
The determination of dry weight (DW) in young children on hemodialysis (HD) remains challenging. Bioimpedance analysis (BIA) is a potentially helpful means of estimating the need for ultrafiltration and monitoring body fluids in patients on renal replacement therapy, but its role has not yet been clearly defined. The aim of this paper is to share our experience of prescribing ultrafiltration on the basis of BIA parameters alone. The body weight (BW), resistance (Rx), and reactance (Xc) of a 3-year-old girl on chronic HD were recorded pre- and post-HD over a period of 16 months...
June 16, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28612434/effect-of-increasing-taurine-and-methionine-supplementation-on-urinary-taurine-excretion-in-a-model-insectivore-the-giant-anteater-myrmecophaga-tridactyla
#16
S A Nofs, E S Dierenfeld, R C Backus
The giant anteater (Mymercophaga tridactyla) is a highly specialized insectivore for which nutrient requirements are not clearly established, making diet formulation challenging for this species. Multiple clinical reports suggest anteaters have an obligate dietary taurine (TAU) requirement. Sulphur amino acid (SAA) metabolism in adult anteaters was evaluated using noninvasive methods to measure TAU synthesis potential from dietary methionine (MET) and a basal diet containing on a dry matter (DM) basis 1.7 mg TAU/kg DM and 6...
June 14, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28611817/rational-water-and-nitrogen-management-improves-root-growth-increases-yield-and-maintains-water-use-efficiency-of-cotton-under-mulch-drip-irrigation
#17
Hongzhi Zhang, Aziz Khan, Daniel K Y Tan, Honghai Luo
There is a need to optimize water-nitrogen (N) applications to increase seed cotton yield and water use efficiency (WUE) under a mulch drip irrigation system. This study evaluated the effects of four water regimes [moderate drip irrigation from the third-leaf to the boll-opening stage (W1), deficit drip irrigation from the third-leaf to the flowering stage and sufficient drip irrigation thereafter (W2), pre-sowing and moderate drip irrigation from the third-leaf to the boll-opening stage (W3), pre-sowing and deficit drip irrigation from the third-leaf to the flowering stage and sufficient drip irrigation thereafter (W4)] and N fertilizer at a rate of 520 kg ha(-1) in two dressing ratios [7:3 (N1), 2:8 (N2)] on cotton root morpho-physiological attributes, yield, WUE and the relationship between root distribution and dry matter production...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28608238/the-impact-of-disintegrant-type-surfactant-and-api-properties-on-the-processability-and-performance-of-roller-compacted-formulations-of-acetaminophen-and-aspirin
#18
Junshu Zhao, Otilia Koo, Duohai Pan, Yongmei Wu, Dinesh Morkhade, Sandeep Rana, Partha Saha, Arturo Marin
In formulation development, certain excipients, even though used in small quantities, can have a significant impact on the processability and performance of the dosage form. In this study, three common disintegrants, croscarmellose sodium (CCS), crospovidone (xPVP), and sodium starch glycolate (SSG) as well as the surfactant sodium lauryl sulfate (SLS) were evaluated for their impact on the processability and performance of a typical dry granulation formulation. Two model compounds, the mechanically brittle and chemically inert acetaminophen and the mechanically ductile carboxylic acid aspirin, were used for the evaluation...
June 12, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28608190/endoluminal-laser-assisted-vascular-anastomosis-an-in-vivo-study-in-a-pig-model
#19
Zacharia Mbaidjol, David Kiermeir, Annemarie Schönfeld, Jörg Arnoldi, Martin Frenz, Mihai A Constantinescu
Microvascular surgery is time consuming and requires high expertise. Laser-assisted vascular anastomosis (LAVA) is a promising sutureless technique that has the potential to facilitate this procedure. In this study, we evaluate the handling of our soldering material and the 1-week patency rate in a porcine model. Six pigs were subjected to LAVA. For each pig, the saphenous artery on one side was transected while the contralateral side was used as control. A porous polycaprolactone scaffold soaked in 40% (w/w) bovine serum albumin solution in combination with 0...
June 12, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28603839/evaluation-of-the-effects-of-sweet-potato-ipomoea-batatas-l-lam-in-broiler-diets
#20
J Pandi, P Glatz, R Forder, B Komolong, K Chousalkar
Cereal grains such as maize and wheat are used extensively in feed formulations for poultry as the primary source of carbohydrates. High cost of these grains in many developing countries necessitates the evaluation of other ingredients that are grown locally. Sweet potato is one such crop. The study was conducted as a proof of concept experiment to test the hypothesis that in the presence and absence of enzyme, sweet potato roots when included in diets of broiler chickens may affect the total metabolisable energy content of the diets which may exert certain influences on dry matter digestibility of these diets as well as impacting on production and certain gut parameters...
June 12, 2017: Journal of Animal Physiology and Animal Nutrition
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