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https://www.readbyqxmd.com/read/28926845/leptospirosis-renal-disease-emerging-culprit-of-chronic-kidney-disease-unknown-etiology
#1
Chih-Wei Yang
Leptospirosis is the most prevalent zoonosis affecting more than 1 million populations worldwide. Interestingly, leptospirosis endemic regions coincide with chronic kidney disease (CKD) hotspots largely due to flooding and agricultural overlaps. Acute leptospirosis induces multiple organ dysfunction including acute kidney injury and may predispose to CKD and end-stage renal disease, if not treated timely. Asymptomatic infection may carry the bacteria in the kidney and CKD progresses insidiously. Histologic finding of leptospirosis renal disease includes tubulointerstitial nephritis, interstitial fibrosis, and tubular atrophy...
September 20, 2017: Nephron
https://www.readbyqxmd.com/read/28926792/u-isotopes-distribution-in-the-lower-rhone-river-and-its-implication-on-radionuclides-disequilibrium-within-the-decay-series
#2
REVIEW
Mathilde Zebracki, Xavier Cagnat, Stéphanie Gairoard, Nicolas Cariou, Frédérique Eyrolle-Boyer, Béatrice Boulet, Christelle Antonelli
The large rivers are main pathways for the delivery of suspended sediments into coastal environments, affecting the biogeochemical fluxes and the ecosystem functioning. The radionuclides from (238)U and (232)Th-series can be used to understand the dynamic processes affecting both catchment soil erosion and sediment delivery to oceans. Based on annual water discharge the Rhone River represents the largest river of the Mediterranean Sea. The Rhone valley also represents the largest concentration in nuclear power plants in Europe...
September 16, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28926443/recovery-after-nulliparous-birth-a-detailed-analysis-of-pain-analgesia-and-recovery-of-function
#3
Ryu Komatsu, Brendan Carvalho, Pamela D Flood
BACKGROUND: The majority of parturients in the United States first return for evaluation by their obstetric practitioner 6 weeks after delivery. As such, there is little granular data on the pain experience, analgesic requirements, and functional recovery during the postpartum period. This prospective observational study was performed to evaluate these factors to provide expectations for patients. METHODS: A total of 213 nulliparous women were enrolled and assessed daily until they completed 3 outcomes: (1) pain resolution; (2) opioid cessation; and (3) self-assessed functional recovery from delivery...
October 2017: Anesthesiology
https://www.readbyqxmd.com/read/28923731/phosphorus-sorption-desorption-and-effects-of-temperature-ph-and-salinity-on-phosphorus-sorption-in-marsh-soils-from-coastal-wetlands-with-different-flooding-conditions
#4
Junhong Bai, Xiaofei Ye, Jia Jia, Guangliang Zhang, Qingqing Zhao, Baoshan Cui, Xinhui Liu
Wetland soils act as a sink or source of phosphorus (P) to the overlaying water due to phosphorus sorption-desorption processes. Litter information is available on sorption and desorption behaviors of phosphorus in coastal wetlands with different flooding conditions. Laboratory experiments were conducted to investigate phosphorus sorption-desorption processes, fractions of adsorbed phosphorus, and the effects of salinity, pH and temperature on phosphorus sorption on soils in tidal-flooding wetlands (TW), freshwater-flooding wetlands (FW) and seasonal-flooding wetlands (SW) in the Yellow River Delta...
August 24, 2017: Chemosphere
https://www.readbyqxmd.com/read/28923131/innate-and-adaptive-immune-response-to-chronic-pulmonary-infection-of-hyphae-of-aspergillus-fumigatus-in-a-new-murine-model
#5
Fengyuan Wang, Caiyun Zhang, Yuan Jiang, Caixia Kou, Qingtao Kong, Nanbiao Long, Ling Lu, Hong Sang
PURPOSE: The pathogenesis of chronic pulmonary aspergillosis (CPA) has seldom been studied due partly to a lack of animal models. Since hypha is the main morphology colonizing the airway in CPA, it's critical to study the immune reaction to chronic pulmonary infection of hyphae of Aspergillus fumigatus, which also has seldom been studied in vivo before. METHODOLOGY: We established a novel murine model of chronic pulmonary infection of hyphae by challenging immunocompetent mice with tightly-structured hyphae balls intratracheally, and described the ensuing immunoreaction to hyphae and conidia, and the pathogenesis of CPA...
September 19, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28919651/land-use-change-impacts-on-floods-at-the-catchment-scale-challenges-and-opportunities-for-future-research
#6
M Rogger, M Agnoletti, A Alaoui, J C Bathurst, G Bodner, M Borga, V Chaplot, F Gallart, G Glatzel, J Hall, J Holden, L Holko, R Horn, A Kiss, S Kohnová, G Leitinger, B Lennartz, J Parajka, R Perdigão, S Peth, L Plavcová, J N Quinton, M Robinson, J L Salinas, A Santoro, J Szolgay, S Tron, J J H van den Akker, A Viglione, G Blöschl
Research gaps in understanding flood changes at the catchment scale caused by changes in forest management, agricultural practices, artificial drainage, and terracing are identified. Potential strategies in addressing these gaps are proposed, such as complex systems approaches to link processes across time scales, long-term experiments on physical-chemical-biological process interactions, and a focus on connectivity and patterns across spatial scales. It is suggested that these strategies will stimulate new research that coherently addresses the issues across hydrology, soil and agricultural sciences, forest engineering, forest ecology, and geomorphology...
July 2017: Water Resources Research
https://www.readbyqxmd.com/read/28919513/accompanying-indigenous-maya-patients-with-complex-medical-needs-a-patient-navigation-system-in-rural-guatemala
#7
Anita Chary, David Flood, Kirsten Austad, Marcela Colom, Jessica Hawkins, Katia Cnop, Boris Martinez, Waleska Lopez, Peter Rohloff
No abstract text is available yet for this article.
September 14, 2017: Healthcare
https://www.readbyqxmd.com/read/28917181/-137-cs-and-plutonium-isotopes-accumulation-retention-in-bottom-sediments-and-soil-in-lithuania-a-case-study-of-the-activity-concentration-of-anthropogenic-radionuclides-and-their-provenance-before-the-start-of-operation-of-the-belarusian-nuclear-power-plant
#8
D Marčiulionienė, B Lukšienė, D Montvydienė, O Jefanova, J Mažeika, R Taraškevičius, R Stakėnienė, R Petrošius, E Maceika, N Tarasiuk, Z Žukauskaitė, L Kazakevičiūtė, M Volkova
Knowledge of the background activity concentrations of anthropogenic radionuclides before the start of operations of the new nuclear facilities in Belarus is of great value worldwide. Inland water bodies in Lithuania (specifically the Neris River, the Nemunas River and the Curonian Lagoon) are near the site of the Belarusian NPP under construction and, for this reason, sediments and flooded soils from these sensitive areas were analysed for radiocesium and plutonium isotopes (macrophytes were analysed only for (137)Cs) in 2011-2012...
September 13, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28914391/sedimentation-and-erosion-in-lake-diefenbaker-canada-solutions-for-shoreline-retreat-monitoring
#9
Amir Sadeghian, Dirk de Boer, Karl-Erich Lindenschmidt
This study looks into sedimentation and erosion rates in Lake Diefenbaker, a prairie reservoir, in Saskatchewan, Canada, which has been in operation since 1968. First, we looked at the historical data in all different formats over the last 70 years, which includes data from more than 20 years before the formation of the lake. The field observations indicate high rates of shoreline erosion, especially in the upstream portion as a potential region for shoreline retreat. Because of the great importance of this waterbody to the province, monitoring sedimentation and erosion rates is necessary for maintaining the quality of water especially after severe floods which are more common due to climate change effects...
September 15, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28911225/validating-the-water-flooding-approach-by-comparing-it-to-grand-canonical-monte-carlo-simulations
#10
Hanwool Yoon, Vesselin Kolev, Arieh Warshel
The study of the function of proteins on a quantitative level requires consideration of the water molecules in and around the protein. This requirement presents a major computational challenge due to the fact that the insertion of water molecules can have very high activation barrier and would require a long simulation time. Recently we developed a water flooding (WF) approach which is based on a post processing Monte Carlo ranking of possible water configurations. This approach appears to provide a very effective way for assessing the insertion free energies and determining the most likely configurations of the internal water molecules...
September 14, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28906117/conformational-entropy-as-collective-variable-for-proteins
#11
Ferruccio Palazzesi, Omar Valsson, Michele Parrinello
Many enhanced sampling methods rely on the identification of appropriate collective variables. For proteins, even small ones, finding appropriate descriptors has proven challenging. Here we suggest that the NMR S(2) order parameter can be used to this effect. We trace the validity of this statement to the suggested relation between S(2) and conformational entropy. Using the S(2) order parameter and a surrogate for the protein enthalpy in conjunction with Metadynamics or Variationally Enhanced Sampling we are able to reversibly fold and unfold a small protein and draw its free energy at a fraction of the time that is needed in unbiased simulations...
September 14, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28905056/surface-alteration-of-calcite-interpreting-macroscopic-observations-by-means-of-afm
#12
Mariam Ali Al Mahri, Mashael Alshehhi, Tuza Olukan, Mijael Rodrigo Vargas, Annalisa Molini, Saeed Alhassan, Matteo Chiesa
Wettability has been recognized to play a fundamental role in the efficacy of water flooding processes of carbonate oil and gas reservoirs. However, the theoretical mechanism governing this process is still not entirely understood. This can be partly attributed to the absence of ad hoc tools and standardized sample-preparation methodologies for comprehensive transient characterization of the mineral surface. Here, we use atomic force microscopy (AFM) to investigate the effect of different calcite sample-preparation methodologies in estimating the macroscopic water static contact angle (SCA)...
September 14, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28903743/a-socio-ecological-analysis-of-barriers-to-the-adoption-sustainablity-and-consistent-use-of-sanitation-facilities-in-rural-ethiopia
#13
Fikralem Alemu, Abera Kumie, Girmay Medhin, Teshome Gebre, Phoebe Godfrey
BACKGROUND: Despite evidence showing that access to and use of improved sanitation is associated with healthier households and communities, barriers influencing the adoption and sustainablity of sanitation facilities remain unclear. We conducted a qualitative case study to explore barriers influencing the adoption, sustainablity and consistent use of sanitation facilities in rural Ethiopia. METHODS: A qualitative study was conducted in the rural district of Becho, in central Ethiopia, from June to August 2016...
September 13, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28903088/on-line-two-dimensional-liquid-chromatography-based-on-skeleton-type-molecularly-imprinted-column-for-selective-determination-of-sulfonylurea-additive-in-chinese-patent-medicines-or-functional-foods
#14
Pengqi Guo, Xinya Xu, Guoning Chen, Kamran Bashir, Hua Shu, Yanhui Ge, Wanghui Jing, Zhimin Luo, Chun Chang, Qiang Fu
Substandard and counterfeit anti-diabetic medicines directly influence the health and impose a great danger to individual patients and to public health. Counterfeiting has become a serious and underreported problem in the pharmaceutical industry. There are a large number of counterfeit medicines flooded in anti-diabetic markets which effect human health directly and indirectly. Therefore, some novel analytical techniques are necessary to be established for detecting these counterfeit drugs. In this study, a novel skeleton type molecularly imprinted column was successfully prepared...
September 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28901921/extreme-rain-flooding-and-health
#15
EDITORIAL
The Lancet
No abstract text is available yet for this article.
September 9, 2017: Lancet
https://www.readbyqxmd.com/read/28901010/habitat-use-of-the-european-mudminnow-umbra-krameri-and-association-with-other-fish-species-in-a-disconnected-danube-side-arm
#16
M Sehr, H Keckeis
Fish assemblages along the longitudinal course of an old, disconnected and modified side arm of the Danube floodplain downstream of Vienna, Austria, as well as habitat structure, hydro-morphological and hydro-chemical factors, were investigated in order to analyse the key environmental determinants of the European mudminnow Umbra krameri. Generally, U. krameri was the most abundant species in the system. It occurred in disconnected ditches, ponds and pools with dense reed belts and comparatively low nutrient content, indicating its natural association with marsh habitats...
September 12, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28898939/the-effective-mitigation-of-greenhouse-gas-emissions-from-rice-paddies-without-compromising-yield-by-early-season-drainage
#17
Syed Faiz-Ul Islam, Jan Willem van Groenigen, Lars Stoumann Jensen, Bjoern Ole Sander, Andreas de Neergaard
Global rice production systems face two opposing challenges: the need to increase production to accommodate the world's growing population while simultaneously reducing greenhouse gas (GHG) emissions. Adaptations to drainage regimes are one of the most promising options for methane mitigation in rice production. Whereas several studies have focused on mid-season drainage (MD) to mitigate GHG emissions, early-season drainage (ED) varying in timing and duration has not been extensively studied. However, such ED periods could potentially be very effective since initial available C levels (and thereby the potential for methanogenesis) can be very high in paddy systems with rice straw incorporation...
September 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28898428/soil-co2-venting-as-one-of-the-mechanisms-for-tolerance-of-zn-deficiency-by-rice-in-flooded-soils
#18
Marie-Cecile Affholder, Dominik J Weiss, Matthias Wissuwa, Sarah E Johnson-Beebout, Guy J D Kirk
We sought to explain rice (Oryza sativa) genotype differences in tolerance of zinc (Zn) deficiency in flooded paddy soils and the counter-intuitive observation, made in earlier field experiments, that Zn uptake per plant increases with increasing planting density. We grew tolerant and intolerant genotypes in a Zn-deficient flooded soil at high and low planting densities, and found (a) plant Zn concentrations and growth increased with planting density and more so in the tolerant genotype, whereas the concentrations of other nutrients decreased, indicating a specific effect on Zn uptake; (b) the effects of planting density and genotype on Zn uptake could only be explained if the plants induced changes in the soil to make Zn more soluble; and (c) the genotype and planting density effects were both associated with decreases in dissolved CO2 in the rhizosphere soil solution and resulting increases in pH...
September 12, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28894491/respiratory-physiologist-training-in-ireland
#19
Emma Flood
Respiratory physiologists are part of a large multidisciplinary team. Their role is to investigate respiratory and sleep disorders through various diagnostic tools and methodologies. In Ireland, respiratory physiologists complete a 4-year Bachelor of Science (BSc) degree in clinical measurement science.
September 2017: Breathe
https://www.readbyqxmd.com/read/28894195/nuisance-flooding-and-relative-sea-level-rise-the-importance-of-present-day-land-motion
#20
Makan A Karegar, Timothy H Dixon, Rocco Malservisi, Jürgen Kusche, Simon E Engelhart
Sea-level rise is beginning to cause increased inundation of many low-lying coastal areas. While most of Earth's coastal areas are at risk, areas that will be affected first are characterized by several additional factors. These include regional oceanographic and meteorological effects and/or land subsidence that cause relative sea level to rise faster than the global average. For catastrophic coastal flooding, when wind-driven storm surge inundates large areas, the relative contribution of sea-level rise to the frequency of these events is difficult to evaluate...
September 11, 2017: Scientific Reports
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