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https://www.readbyqxmd.com/read/27933257/assessment-of-the-quality-of-groundwater-for-drinking-purposes-in-the-upper-west-and-northern-regions-of-ghana
#1
Sixtus Bieranye Bayaa Martin Saana, Samuel Asiedu Fosu, Godfred Etsey Sebiawu, Napoleon Jackson, Thomas Karikari
BACKGROUND: Underground water is an important natural resource serving as a reliable source of drinking water for many people worldwide, especially in developing countries. Underground water quality needs to be given a primary research and quality control attention due to possible contamination. This study was therefore designed to determine the physico-chemical and bacteriological quality of borehole water in the Upper West and Northern regions of Ghana. METHODS: The study was conducted in seven districts in Ghana (including six in the Upper West region and one in the Northern region)...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27932921/digging-for-historical-data-on-the-occurrence-of-benthic-macrofaunal-species-in-the-southeastern-mediterranean
#2
Irini Tsikopoulou, Aglaia Legaki, Panagiotis D Dimitriou, Evangelia Avramidou, Nicolas Bailly, Stamatina Nikolopoulou
BACKGROUND: The benthic macrofaunal biodiversity of the southeastern Mediterranean is considerably understudied compared to other Mediterranean regions. Monitoring biodiversity in this area is crucial as this region is particularly susceptible to biological invasions and temperature alteration. Historical biodiversity data could provide a useful baseline for monitoring potential changes and provide informarion to support a better understanding of the possible effects of anthropogenic activities on marine benthic communities...
2016: Biodiversity Data Journal
https://www.readbyqxmd.com/read/27929423/plant-responses-to-climate-change-the-case-study-of-betulaceae-and-poaceae-pollen-seasons-northern-italy-vignola-emilia-romagna
#3
Anna Maria Mercuri, Paola Torri, Rita Fornaciari, Assunta Florenzano
Aerobiological data have especially demonstrated that there is correlation between climate warming and the pollination season of plants. This paper focuses on airborne pollen monitoring of Betulaceae and Poaceae, two of the main plant groups with anemophilous pollen and allergenic proprieties in Northern Italy. The aim is to investigate plant responses to temperature variations by considering long-term pollen series. The 15-year aerobiological analysis is reported from the monitoring station of Vignola (located near Modena, in the Emilia-Romagna region) that had operated in the years 1990-2004 with a Hirst spore trap...
December 6, 2016: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/27929400/a-systematic-evaluation-of-blood-serum-and-plasma-pre-analytics-for-metabolomics-cohort-studies
#4
Elodie Jobard, Olivier Trédan, Déborah Postoly, Fabrice André, Anne-Laure Martin, Bénédicte Elena-Herrmann, Sandrine Boyault
The recent thriving development of biobanks and associated high-throughput phenotyping studies requires the elaboration of large-scale approaches for monitoring biological sample quality and compliance with standard protocols. We present a metabolomic investigation of human blood samples that delineates pitfalls and guidelines for the collection, storage and handling procedures for serum and plasma. A series of eight pre-processing technical parameters is systematically investigated along variable ranges commonly encountered across clinical studies...
December 5, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929172/kinetics-of-the-reversible-inclusion-of-flavopereirine-in-cucurbit-7-uril
#5
Zsombor Miskolczy, László Biczók, István Jablonkai
The temperature dependence of the kinetics of flavopereirine inclusion in cucurbit[7]uril (CB7) was studied by a stopped-flow method in water. The substantial blue-shift of the emission band and the ∼4-fold fluorescence quantum yield enhancement upon host-guest binding permitted the monitoring of the formation and dissociation of the flavopereirine-CB7 1 : 1 complex in real time. The competitive binding of the 1-adamantylammonium cation with extremely high affinity was exploited to selectively and very accurately determine the kinetic parameters of the exit of flavopereirine from the CB7 cavity...
December 8, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27928993/joint-effect-of-ferromagnetic-and-non-ferromagnetic-cations-for-adjusting-room-temperature-ferromagnetism-of-highly-luminescent-cuniins-quaternary-nanocrystals
#6
Jin Shen, Chunlei Wang, Shuhong Xu, Changgui Lv, Ruohu Zhang, Yiping Cui
In this work, highly luminescent quaternary CuNiInS nanocrystals (NCs) are put forward as a good prototype for investigating defect-induced room temperature ferromagnetism. A ferromagnetic Ni cation can preserve the strong luminescence of NCs without introducing intermediate energy levels in the center of the forbidden band. The strong luminescence of NCs is used as an indicator for monitoring the concentration of vacancy defects inside them, facilitating the investigation of the origin of room temperature ferromagnetism in CuNiInS NCs...
December 8, 2016: Nanotechnology
https://www.readbyqxmd.com/read/27928107/ultrasonic-monitoring-of-the-setting-of-silicone-elastomeric-impression-materials
#7
Chie Kanazawa, Ryosuke Murayama, Tetsuya Furuichi, Arisa Imai, Shunichi Suda, Hiroyasu Kurokawa, Toshiki Takamizawa, Masashi Miyazaki
This study used an ultrasonic measurement device to monitor the setting behavior of silicone elastomeric impression materials, and the influence of temperature on setting behavior was determined. The ultrasonic device consisted of a pulser-receiver, transducers, and an oscilloscope. The two-way transit time through the mixing material was divided by two to account for the down-and-back travel path; then it was multiplied by the sonic velocity. Analysis of variance and the Tukey honest significant difference test were used...
December 6, 2016: Dental Materials Journal
https://www.readbyqxmd.com/read/27928062/simulation-of-municipal-solid-waste-degradation-in-aerobic-and-anaerobic-bioreactor-landfills
#8
Bhagwan Shamrao Patil, Agnes Anto C, Devendra Narain Singh
Municipal solid waste generation is huge in growing cities of developing nations such as India, owing to the rapid industrial and population growth. In addition to various methods for treatment and disposal of municipal solid waste (landfills, composting, bio-methanation, incineration and pyrolysis), aerobic/anaerobic bioreactor landfills are gaining popularity for economical and effective disposal of municipal solid waste. However, efficiency of municipal solid waste bioreactor landfills primarily depends on the municipal solid waste decomposition rate, which can be accelerated through monitoring moisture content and temperature by using the frequency domain reflectometry probe and thermocouples, respectively...
December 6, 2016: Waste Management & Research
https://www.readbyqxmd.com/read/27926838/high-resolution-mapping-of-a-repeat-protein-folding-free-energy-landscape
#9
Martin J Fossat, Thuy P Dao, Kelly Jenkins, Mariano Dellarole, Yinshan Yang, Scott A McCallum, Angel E Garcia, Doug Barrick, Christian Roumestand, Catherine A Royer
A complete description of the pathways and mechanisms of protein folding requires a detailed structural and energetic characterization of the conformational ensemble along the entire folding reaction coordinate. Simulations can provide this level of insight for small proteins. In contrast, with the exception of hydrogen exchange, which does not monitor folding directly, experimental studies of protein folding have not yielded such structural and energetic detail. NMR can provide residue specific atomic level structural information, but its implementation in protein folding studies using chemical or temperature perturbation is problematic...
December 6, 2016: Biophysical Journal
https://www.readbyqxmd.com/read/27925417/effects-of-temperature-on-multiparametric-evaluation-of-hindlimb-ischemia-with-dynamic-fluorescence-imaging
#10
Wenjuan Cai, Huizhi Guang, Chuangjian Cai, Jianwen Luo
Quantitative evaluation of hindlimb ischemia is essential for early diagnosis and therapy of peripheral arterial disease (PAD). Dynamic imaging using near-infrared (NIR) fluorophore indocyanine green (ICG) is a noninvasive and effective tool to monitor multiple vascular parameters including perfusion rate (PR), perfusion vascular density (PVD) and hemodynamics. It has been previously demonstrated that temperature changes could lead to significant variations of blood flow rate and vascular perfusion. In this paper, multiparametric evaluation of hindlimb ischemia was performed at different temperatures...
December 7, 2016: Journal of Biophotonics
https://www.readbyqxmd.com/read/27924293/use-of-amsr-e-microwave-satellite-data-for-land-surface-characteristics-and-snow-cover-variation
#11
Mukesh Singh Boori, Ralph R Ferraro, Komal Choudhary, Alexander Kupriyanov
This data article contains data related to the research article entitled "Global land cover classification based on microwave polarization and gradient ratio (MPGR)" [1] and "Microwave polarization and gradient ratio (MPGR) for global land surface phenology" [2]. This data article presents land surface characteristics and snow cover variation information from sensors like EOS Advanced Microwave Scanning Radiometer (AMSR-E). This data article use the HDF Explorer, Matlab, and ArcGIS software to process the pixel latitude, longitude, snow water equivalent (SWE), digital elevation model (DEM) and Brightness Temperature (BT) information from AMSR-E satellite data to provide land surface characteristics and snow cover variation data in all-weather condition at any time...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27924135/on-site-fecal-sludge-treatment-with-the-anaerobic-digestion-pasteurization-latrine
#12
Aaron A Forbis-Stokes, Patrick F O'Meara, Wangare Mugo, Gelas M Simiyu, Marc A Deshusses
The Anaerobic Digestion Pasteurization Latrine (ADPL) is a self-contained and energy neutral on-site sanitation system using anaerobic digestion of fecal sludge to generate biogas and then uses the biogas to pasteurize the digester effluent at 65-75°C to produce a safe effluent that can be reused locally as a fertilizer. Two ADPL systems were installed on residential plots with 17 and 35 residents in a peri-urban area outside of Eldoret, Kenya. Each system comprised three toilets built above a floating dome digester and one heat pasteurization system to sanitize the digested effluent...
November 1, 2016: Environmental Engineering Science
https://www.readbyqxmd.com/read/27922526/air-pollutant-exposure-within-a-few-days-of-delivery-and-placental-abruption-in-japan
#13
Takehiro Michikawa, Seiichi Morokuma, Shin Yamazaki, Kotaro Fukushima, Kiyoko Kato, Hiroshi Nitta
BACKGROUND: Placental abruption is an emergency obstetric complication. Although the etiology of abruption is not fully understood, acute stimuli, such as ischemia and/or inflammation, are associated with rupture of the decidual artery, resulting in placental separation. Ischemia and inflammation are acute biologic effects of air pollution. Using a case-crossover design, we tested the hypothesis that a short-term increase in exposure to air pollutants is a potential trigger of placental abruption...
December 1, 2016: Epidemiology
https://www.readbyqxmd.com/read/27921355/catalysis-driven-self-thermophoresis-of-janus-plasmonic-nanomotors
#14
Weiwei Qin, Tianhuan Peng, Yanjing Gao, Fei Wang, Xiaocai Hu, Kun Wang, Jiye Shi, Di Li, Jicun Ren, Chunhai Fan
It is highly demanding to design active nanomotors that can move in response to specific signals with controllable rate and direction. A catalysis-driven nanomotor was constructed by designing catalytically and plasmonically active Janus gold nanoparticles (Au NPs), which generate an asymmetric temperature gradient of local solvent surrounding NPs in catalytic reactions. The self-thermophoresis behavior of the Janus nanomotor is monitored from its inherent plasmonic response. The diffusion coefficient of the self-thermophoresis motion is linearly dependent on chemical reaction rate, as described by a stochastic model...
December 6, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27921304/hyperthermia-thermal-injuries-and-death-from-a-forced-convection-heat-source-a-case-report-and-experimental-model
#15
Amanda O Fisher-Hubbard, LokMan Sung, Sean A Hubbard, Leigh Hlavaty
Heat-related deaths of children are most often encountered in the context of enclosed vehicles in summer months. Deviating from this, a 16-month-old boy was found unresponsive in a stroller that was placed adjacent to a space heater during mid-winter. The cause of death was hyperthermia and thermal injuries. Manner of death determination was difficult due to alleged surrounding circumstances. To understand the time-course of this child's injuries, a child death scene investigation was performed; the stroller and space heater were recovered...
December 6, 2016: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/27921173/day-to-day-variations-in-the-amplitude-of-the-soil-temperature-cycle-and-impact-on-adult-eclosion-timing-of-the-onion-fly
#16
Kazuhiro Tanaka, Yasuhiko Watari
The onion fly Delia antiqua advances its eclosion timing with decreasing temperature amplitude to compensate for a depth-dependent phase delay of the zeitgeber. To elucidate whether or not naturally occurring day-to-day variations in the amplitude of soil temperature cycle disturb this compensatory response, we monitored daily variations in the temperature amplitude in natural soils and evaluated the impact on adult eclosion timing. Our results indicated that both median and variance of the soil temperature amplitude become smaller as depth increases...
December 5, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27920296/a-sulfur-oxygenase-from-the-haloalkaliphilic-bacterium-thioalkalivibrio-paradoxus-with-atypically-low-reductase-activity
#17
Patrick Rühl, Uwe Pöll, Johannes Braun, Andreas Klingl, Arnulf Kletzin
: Sequence comparisons showed that the sulfur oxygenase reductase (SOR) of the haloalkaliphilic bacterium Thioalkalivibrio paradoxus Arh 1 (TpSOR) is branching deeply within dendrograms of these proteins (29-34% identity). A synthetic gene encoding the TpSOR expressed in E. coli resulted in a protein of 14.7±0.9 nm in diameter and an apparent molecular mass of 556 kDa. Sulfite and thiosulfate were formed from elemental sulfur in a temperature range of 10-98°C (Topt≈80°C) and a pH range of 6-11...
December 5, 2016: Journal of Bacteriology
https://www.readbyqxmd.com/read/27918484/a-novel-wireless-wearable-volatile-organic-compound-voc-monitoring-device-with-disposable-sensors
#18
Yue Deng, Cheng Chen, Xiaojun Xian, Francis Tsow, Gaurav Verma, Rob McConnell, Scott Fruin, Nongjian Tao, Erica S Forzani
A novel portable wireless volatile organic compound (VOC) monitoring device with disposable sensors is presented. The device is miniaturized, light, easy-to-use, and cost-effective. Different field tests have been carried out to identify the operational, analytical, and functional performance of the device and its sensors. The device was compared to a commercial photo-ionization detector, gas chromatography-mass spectrometry, and carbon monoxide detector. In addition, environmental operational conditions, such as barometric change, temperature change and wind conditions were also tested to evaluate the device performance...
December 3, 2016: Sensors
https://www.readbyqxmd.com/read/27917566/perioperative-hypothermia-in-neonatal-intensive-care-unit-patients-effectiveness-of-a-thermoregulation-intervention-and-associated-risk-factors
#19
Branden M Engorn, Stephanie L Kahntroff, Karen M Frank, Sarabdeep Singh, Helen A Harvey, Charles T Barkulis, Annika M Barnett, Olamide O Olambiwonnu, Eugenie S Heitmiller, Robert S Greenberg
BACKGROUND: Hypothermia in neonatal intensive care unit patients is associated with morbidity. Perioperative normothermia is the standard of care. AIMS: We hypothesized that a quality improvement intervention (transport protocol, transport education, ongoing monitoring) would decrease the incidence of perioperative hypothermia. Secondarily, we hypothesized that patients undergoing surgery at a postmenstrual age of <37 weeks or at a weight of <1.5 kg would be at higher risk for perioperative hypothermia...
December 5, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27917344/research-on-early-warning-index-of-the-spatial-temperature-field-in-concrete-dams
#20
Guang Yang, Chongshi Gu, Tengfei Bao, Zhenming Cui, Kan Kan
Warning indicators of the dam body's temperature are required for the real-time monitoring of the service conditions of concrete dams to ensure safety and normal operations. Warnings theories are traditionally targeted at a single point which have limitations, and the scientific warning theories on global behavior of the temperature field are non-existent. In this paper, first, in 3D space, the behavior of temperature field has regional dissimilarity. Through the Ward spatial clustering method, the temperature field was divided into regions...
2016: SpringerPlus
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