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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/27932850/co-generation-of-hydrogen-and-power-current-pulses-from-supercapacitive-mfcs-using-novel-her-iron-based-catalysts
#2
Carlo Santoro, Francesca Soavi, Catia Arbizzani, Alexey Serov, Sadia Kabir, Kayla Carpenter, Orianna Bretschger, Plamen Atanassov
In this work, four different supercapacitive microbial fuel cells (SC-MFCs) with carbon brush as the anode and an air-breathing cathode with Fe-Aminoantipyrine (Fe-AAPyr) as the catalyst have been investigated using galvanostatic discharges. The maximum power (Pmax) obtained was in the range from 1.7 mW to 1.9 mW for each SC-MFC. This in-series connection of four SC-MFCs almost quadrupled Pmax to an operating voltage of 3025 mV and a Pmax of 8.1 mW, one of the highest power outputs reported in the literature...
December 1, 2016: Electrochimica Acta
https://www.readbyqxmd.com/read/27930319/co-synthesized-from-the-central-one-carbon-pool-as-source-for-the-iron-carbonyl-in-o2-tolerant-nife-hydrogenase
#3
Ingmar Bürstel, Elisabeth Siebert, Stefan Frielingsdorf, Ingo Zebger, Bärbel Friedrich, Oliver Lenz
Hydrogenases are nature's key catalysts involved in both microbial consumption and production of molecular hydrogen. H2 exhibits a strongly bonded, almost inert electron pair and requires transition metals for activation. Consequently, all hydrogenases are metalloenzymes that contain at least one iron atom in the catalytic center. For appropriate interaction with H2, the iron moiety demands for a sophisticated coordination environment that cannot be provided just by standard amino acids. This dilemma has been overcome by the introduction of unprecedented chemistry-that is, by ligating the iron with carbon monoxide (CO) and cyanide (or equivalent) groups...
December 5, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27928745/perceived-emotion-genuineness-normative-ratings-for-popular-facial-expression-stimuli-and-the-development-of-perceived-as-genuine-and-perceived-as-fake-sets
#4
Amy Dawel, Luke Wright, Jessica Irons, Rachael Dumbleton, Romina Palermo, Richard O'Kearney, Elinor McKone
In everyday social interactions, people's facial expressions sometimes reflect genuine emotion (e.g., anger in response to a misbehaving child) and sometimes do not (e.g., smiling for a school photo). There is increasing theoretical interest in this distinction, but little is known about perceived emotion genuineness for existing facial expression databases. We present a new method for rating perceived genuineness using a neutral-midpoint scale (-7 = completely fake; 0 = don't know; +7 = completely genuine) that, unlike previous methods, provides data on both relative and absolute perceptions...
December 7, 2016: Behavior Research Methods
https://www.readbyqxmd.com/read/27924329/low-cost-uva-led-as-a-radiation-source-for-the-photo-fenton-process-a-new-approach-for-micropollutant-removal-from-urban-wastewater
#5
I de la Obra, B Esteban García, J L García Sánchez, J L Casas López, J A Sánchez Pérez
Light Emitting Diode (LED) technology has matured sufficiently to be considered as an alternative UVA radiation source in photoreactors. Currently, low energy consuming LEDs with a wide range of wavelengths and radiant flux are readily available. In this study, UVA-LEDs were used as a radiation source for the photo-Fenton process as tertiary treatment. The water matrix used was a simulated secondary effluent doped with 200 μg L(-1) of the pesticide acetamiprid (ACTM) due to its recalcitrant nature. All experiments were carried out in a LED-box reactor at pH 2...
December 7, 2016: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/27919704/global-transcriptome-analysis-of-halolamina-sp-to-decipher-the-salt-tolerance-in-extremely-halophilic-archaea
#6
Aslıhan Kurt-Kızıldoğan, Büşra Abanoz, Sezer Okay
Extremely halophilic archaea survive in the hypersaline environments such as salt lakes or salt mines. Therefore, these microorganisms are good sources to investigate the molecular mechanisms underlying the tolerance to high salt concentrations. In this study, a global transcriptome analysis was conducted in an extremely halophilic archaeon, Halolamina sp. YKT1, isolated from a salt mine in Turkey. A comparative RNA-seq analysis was performed using YKT1 isolate grown either at 2.7M NaCl or 5.5M NaCl concentrations...
December 2, 2016: Gene
https://www.readbyqxmd.com/read/27915190/gunshot-residue-and-brakepads-compositional-and-morphological-considerations-for-forensic-casework
#7
William Tucker, Nick Lucas, Kelsey E Seyfang, K Paul Kirkbride, Rachel S Popelka-Filcoff
Previous research has raised the possibility that automotive brake pads can produce particles that are both compositionally and morphologically similar to gunshot residue (GSR). These studies, published in the early 2000s, coincided with the reduction or removal of unnecessary sources of lead from the automotive industry. The question therefore arises whether modern brake pads might still be a relevant source of 'GSR-like' particles. In the present study, a total of 75 brake pads taken from a range of cars currently on the road in Adelaide, South Australia, were collected from service centres...
November 23, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27915100/synergistic-effect-of-biogenic-fe-3-coupled-to-s%C3%A2-oxidation-on-simultaneous-bioleaching-of-cu-co-zn-and-as-from-hazardous-pyrite-ash-waste
#8
Sandeep Panda, Ata Akcil, Srabani Mishra, Ceren Erust
Pyrite ash, a waste by-product formed during roasting of pyrite ores, is a good source of valuable metals. The waste is associated with several environmental issues due to its dumping in sea and/or land filling. Although several other management practices are available for its utilization, the waste still awaits and calls for an eco-friendly biotechnological application for metal recovery. In the present study, chemolithotrophic meso-acidophilic iron and sulphur oxidisers were evaluated for the first time towards simultaneous mutli-metal recovery from pyrite ash...
November 19, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27911483/effects-of-dietary-heme-iron-and-exercise-training-on-abdominal-fat-accumulation-and-lipid-metabolism-in-high-fat-diet-fed-mice
#9
Masanori Katsumura, Shoko Takagi, Hana Oya, Shohei Tamura, Takaoki Saneyasu, Kazuhisa Honda, Hiroshi Kamisoyama
Animal by-products can be recycled and used as sources of essential nutrients. Water-soluble heme iron (WSHI), a functional food additive for supplementing iron, is produced by processing animal blood. In this study, we investigated the effects of dietary supplementation of 3% WSHI and exercise training for 4 weeks on the accumulation of abdominal fat and lipid metabolism in mice fed high-fat diet. Exercise-trained mice had significantly less perirenal adipose tissue, whereas WSHI-fed mice tended to have less epididymal adipose tissue...
December 2, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/27909425/thermodynamic-and-kinetic-response-of-microbial-reactions-to-high-co2
#10
Qusheng Jin, Matthew F Kirk
Geological carbon sequestration captures CO2 from industrial sources and stores the CO2 in subsurface reservoirs, a viable strategy for mitigating global climate change. In assessing the environmental impact of the strategy, a key question is how microbial reactions respond to the elevated CO2 concentration. This study uses biogeochemical modeling to explore the influence of CO2 on the thermodynamics and kinetics of common microbial reactions in subsurface environments, including syntrophic oxidation, iron reduction, sulfate reduction, and methanogenesis...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27906525/the-clinical-utility-of-qsm-disease-diagnosis-medical-management-and-surgical-planning
#11
REVIEW
Sarah Eskreis-Winkler, Yan Zhang, Jingwei Zhang, Zhe Liu, Alexey Dimov, Ajay Gupta, Yi Wang
Quantitative susceptibility mapping (QSM) is an MR technique that depicts and quantifies magnetic susceptibility sources. Mapping iron, the dominant susceptibility source in the brain, has many important clinical applications. Herein, we review QSM applications in the diagnosis, medical management, and surgical treatment of disease. To assist in early disease diagnosis, QSM can identify elevated iron levels in the motor cortex of amyotrophic lateral sclerosis patients, in the substantia nigra of Parkinson's disease (PD) patients, in the globus pallidus, putamen, and caudate of Huntington's disease patients, and in the basal ganglia of Wilson's disease patients...
December 1, 2016: NMR in Biomedicine
https://www.readbyqxmd.com/read/27906031/contrasting-biological-potency-of-particulate-matter-collected-at-sites-impacted-by-distinct-industrial-sources
#12
Errol M Thomson, Dalibor Breznan, Subramanian Karthikeyan, Christine MacKinnon-Roy, Ngoc Q Vuong, Ewa Dabek-Zlotorzynska, Valbona Celo, Jean-Pierre Charland, Prem Kumarathasan, Jeffrey R Brook, Renaud Vincent
BACKGROUND: Industrial sources contribute a significant proportion of anthropogenic particulate matter (PM) emissions, producing particles of varying composition that may differentially impact health. This study investigated the in vitro toxicity of ambient PM collected near industrial sites in relation to particle size and composition. METHODS: Size-fractionated particles (ultrafine, PM0.1-2.5, PM2.5-10, PM>10) were collected in the vicinity of steel, copper, aluminium, and petrochemical industrial sites...
December 1, 2016: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/27905924/current-knowledge-and-perspectives-of-paenibacillus-a-review
#13
REVIEW
Elliot Nicholas Grady, Jacqueline MacDonald, Linda Liu, Alex Richman, Ze-Chun Yuan
Isolated from a wide range of sources, the genus Paenibacillus comprises bacterial species relevant to humans, animals, plants, and the environment. Many Paenibacillus species can promote crop growth directly via biological nitrogen fixation, phosphate solubilization, production of the phytohormone indole-3-acetic acid (IAA), and release of siderophores that enable iron acquisition. They can also offer protection against insect herbivores and phytopathogens, including bacteria, fungi, nematodes, and viruses...
December 1, 2016: Microbial Cell Factories
https://www.readbyqxmd.com/read/27905869/neurogenic-effects-of-low-dose-whole-body-hze-fe-ion-and-gamma-irradiation
#14
Tara B Sweet, Sean D Hurley, Michael D Wu, John A Olschowka, Jacqueline P Williams, M Kerry O'Banion
Understanding the dose-toxicity profile of radiation is critical when evaluating potential health risks associated with natural and man-made sources in our environment. The purpose of this study was to evaluate the effects of low-dose whole-body high-energy charged (HZE) iron (Fe) ions and low-energy gamma exposure on proliferation and differentiation of adult-born neurons within the dentate gyrus of the hippocampus, cells deemed to play a critical role in memory regulation. To determine the dose-response characteristics of the brain to whole-body Fe-ion vs...
December 1, 2016: Radiation Research
https://www.readbyqxmd.com/read/27901057/digital-gene-expression-profiling-analysis-of-duodenum-transcriptomes-in-sd-rats-administered-ferrous-sulfate-or-ferrous-glycine-chelate-by-gavage
#15
Zhao Zhuo, Shenglin Fang, Qiaoling Hu, Danping Huang, Jie Feng
The absorption of different iron sources is a trending research topic. Many studies have revealed that organic iron exhibits better bioavailability than inorganic iron, but the concrete underlying mechanism is still unclear. In the present study, we examined the differences in bioavailability of ferrous sulfate and ferrous glycinate in the intestines of SD rats using Illumina sequencing technology. Digital gene expression analysis resulted in the generation of almost 128 million clean reads, with expression data for 17,089 unigenes...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27900624/the-sources-of-trace-element-pollution-of-dry-depositions-nearby-a-drinking-water-source
#16
Xinyue Guo, Hongbing Ji, Cai Li, Yang Gao, Huaijian Ding, Lei Tang, Jinguo Feng
Miyun Reservoir is one of the most important drinking water sources for Beijing. Thirteen atmospheric PM sampling sites were established around this reservoir to analyze the mineral composition, morphological characteristics, element concentration, and sources of atmospheric PM pollution, using transmission electron microscope, X-ray diffraction, and inductively coupled plasma mass spectrometry analyses. The average monthly dry deposition flux of aerosols was 15.18 g/m(2), with a range of 5.78-47.56 g/m(2)...
November 29, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27898998/nutritional-supplementation-for-hip-fracture-aftercare-in-older-people
#17
REVIEW
Alison Avenell, Toby O Smith, James P Curtain, Jenson Cs Mak, Phyo K Myint
BACKGROUND: Older people with hip fractures are often malnourished at the time of fracture, and subsequently have poor food intake. This is an update of a Cochrane review first published in 2000, and previously updated in 2010. OBJECTIVES: To review the effects (benefits and harms) of nutritional interventions in older people recovering from hip fracture. SEARCH METHODS: We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, CENTRAL, MEDLINE, MEDLINE In-Process & Other Non-Indexed Citations, Embase, CAB Abstracts, CINAHL, trial registers and reference lists...
November 30, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27898316/effects-of-iron-and-calcium-carbonate-on-the-variation-and-cycling-of-carbon-source-in-integrated-wastewater-treatments
#18
Zhao Zhimiao, Song Xinshan, Zhao Yufeng, Xiao Yanping, Wang Yuhui, Wang Junfeng, Yan Denghua
Iron and calcium carbonate were added in wastewater treatments as the adjusting agents to improve the contaminant removal performance and regulate the variation of carbon source in integrated treatments. At different temperatures, the addition of the adjusting agents obviously improved the nitrogen and phosphorous removals. TN and TP removals were respectively increased by 29.41% and 23.83% in AC-100 treatment under 1-day HRT. Carbon source from dead algae was supplied as green microbial carbon source and Fe(2+) was supplied as carbon source surrogate...
November 22, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/27894515/glycine-buffered-synthesis-of-layered-iron-ii-iron-iii-hydroxides-green-rusts
#19
Weizhao Yin, Lizhi Huang, Emil Bjerglund Pedersen, Cathrine Frandsen, Hans Christian B Hansen
Layered Fe(II)-Fe(III) hydroxides (green rusts, GRs) are efficient reducing agents against oxidizing contaminants such as chromate, nitrate, selenite, and nitroaromatic compounds and chlorinated solvents. In this study, we adopted a buffered precipitation approach where glycine (GLY) was used in the synthesis of sulfate-interlayered GR (GRSO4) by aerial oxidation of Fe(II) or co-precipitation by adding Fe(III) salt to an aqueous solution of Fe(II) at constant pH. In both the oxidation and the co-precipitation methods pure crystalline GRSO4 was precipitated in the presence of 70mM GLY (pH 8...
November 22, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27891309/evaluation-of-dental-and-bone-age-in-iron-deficient-anemic-children-of-south-india
#20
Vinod Kumar, Harish Haridas, Prahlad Hunsigi, Umar Farooq, Sridhar R Erugula, Kranti K R Ealla
AIMS AND OBJECTIVES: Dental and bone age is very essential for the dental practitioner in planning treatments and is an extra source of information for the pediatrician, orthopedician, and endocrinologist. There are few published data regarding collation between dental age, bone age, and chronological age in iron-deficiency anemic children. This study has been undertaken to evaluate and compare dental age, bone age, and chronological age in children with iron-deficiency anemia. MATERIALS AND METHODS: One hundred iron-deficiency anemic children were selected in the age group of 8-14 years...
September 2016: Journal of International Society of Preventive & Community Dentistry
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