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https://www.readbyqxmd.com/read/28343275/potential-toxic-elements-in-stream-sediments-soils-and-waters-in-an-abandoned-radium-mine-central-portugal
#1
I M H R Antunes, A M R Neiva, M T D Albuquerque, P C S Carvalho, A C T Santos, Pedro P Cunha
The Alto da Várzea radium mine (AV) exploited ore and U-bearing minerals, such as autunite and torbernite. The mine was exploited underground from 1911 to 1922, closed in 1946 without restoration, and actually a commercial area is deployed. Stream sediments, soils and water samples were collected between 2008 and 2009. Stream sediments are mainly contaminated in As, Th, U and W, which is related to the AV radium mine. The PTEs, As, Co, Cr, Sr, Th, U, W, Zn, and electrical conductivity reached the highest values in soils collected inside the mine influence...
March 25, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28343216/susceptibility-weighted-imaging-identifies-iron-oxide-labeled-human-neural-stem-cells-automated-computational-detection
#2
Mohsen Baghchechi, Amy Plaia, Mary Hamer, Nirmalya Ghosh, Stephen Ashwal, Andre Obenaus
Neonatal hypoxic-ischemic brain injury (HII) can lead to devastating neurological outcomes such as cerebral palsy, epilepsy, and mental retardation. Human neural stem cell (hNSC) therapy provides new hope for the treatment of neonatal HII. These multipotent cells can aid in HII recovery by activating multiple reparative mechanisms including secretion of neurotrophic factors that enhance brain repair and plasticity. For clinical use of implanted hNSCs, methods are required to identify, quantify, track, and visualize migration and replication in an automated and reproducible fashion...
March 25, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28343204/-risk-management-of-hospital-infections-as-a-supporting-tool-for-the-improvement-of-hospital-quality-some-european-examples
#3
Mateusz Sitek, Izabela Witczak, Dorota Kiedik
Prevention and control of nosocomial infections is one of the main pillars of security in each medical facility. This affects the quality of services and helps to minimize the economic losses incurred as a result of such infections. (Prolonged hospitalization, expensive antibiotic therapies, court costs of damages). Nosocomial infections occur in every medical facility in the hospitals in terms of risk of infection compared to other medicinal entities are at greater risk of environmental (number of hospitalizations for one bed, the amount of disinfectants, etc...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28343049/stabilisation-of-spent-mushroom-substrate-for-application-as-a-plant-growth-promoting-organic-amendment
#4
Fabiana S Paula, Enrico Tatti, Florence Abram, Jude Wilson, Vincent O'Flaherty
Over three million tonnes of spent mushroom substrate (SMS) are produced in Europe every year as a by-product of the cultivation of Agaricus bisporus. The management of SMS has become an increasing challenge for the mushroom production industry, and finding environmentally and economically sustainable solutions for this organic residue is, therefore, highly desirable. Due to its physical properties and nutrient content, SMS has great potential to be employed in agricultural and horticultural sectors, and further contribute to reduce the use of non-renewable resources, such as peat...
March 23, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28342852/effects-of-sub-culturing-on-genetic-and-physiological-parameters-in-different-beauveria-bassiana-isolates
#5
Naser Eivazian Kary, Zhila Alizadeh
Beauveria bassiana is a fungus which is widely used as a biological insecticide to control a number of economically important insect pests. Knowledge of the genetic diversity of the isolates, understanding the underlying nature of these evolutionary phenomena and finding appropriate and simple screening tools play an important role in developing effective biocontrol agents. Here, we monitored changes of electrophoretic karyotype of small molecules of extrachromosomal DNAs, presumably mitochondrial DNA or plasmids in several individual isolates of B...
March 22, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28342656/nurses-are-as-specific-and-are-earlier-in-calling-in-hospital-stroke-alerts-compared-to-physicians
#6
Pravin George, Dolora R Wisco, James Gebel, Ken Uchino, Christopher R Newey
INTRODUCTION: In-hospital stroke alerts are typically activated by nurses or physicians when a patient's neurological status acutely changes from baseline. It is unclear if knowledge of stroke symptoms translates to accurate activation of the acute stroke team. We hypothesized that nurses who activate the stroke alert system would correctly identify as great a proportion of acute strokes as physicians. We also investigated the time to activation of these in-hospital stroke alerts. METHODS: We retrospectively reviewed consecutive inpatient stroke team calls over a 12-month period at a single, tertiary care center...
March 22, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28342594/assessment-of-natural-radioactivity-and-gamma-ray-dose-in-monazite-rich-black-sand-beach-of-penang-island-malaysia
#7
Hauwau Kulu Shuaibu, Mayeen Uddin Khandaker, Tareq Alrefae, D A Bradley
Activity concentrations of primordial radionuclides in sand samples collected from the coastal beaches surrounding Penang Island have been measured using conventional γ-ray spectrometry, while in-situ γ-ray doses have been measured through use of a portable radiation survey meter. The mean activity concentrations for (226)Ra, (232)Th and (40)K at different locations were found to be less than the world average values, while the Miami Bay values for (226)Ra and (232)Th were found to be greater, at 1023±47 and 2086±96Bqkg(̶ 1) respectively...
March 22, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28342426/optical-and-electrochemical-dual-channel-sensing-of-cu-2-using-functionalized-furo-2-3-d-pyrimidines-2-4-1h-3h-diones
#8
Manoj Kumar, Lokesh Kumar Kumawat, Priyanka Bhatt, Anjali Jha, Shilpi Agarwal, Anuj Sharma, Vinod Kumar Gupta
Owing to their easy accessibility and high degree of structural and functional diversity, many multicomponent reactions (MCRs) have been a rich source of conjugate π-systems, functionalised chromophores (or fluorophore) and redox active molecules. Despite their high explorative potential and practical benefits, only a few MCR products have been so far investigated for their metal sensing abilities. In the present report, two furopyrimidinones (FPys) based molecular systems have been synthesized by [4+1] cycloaddition based MCR sequence...
March 18, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28342412/bacterial-community-responses-during-a-possible-co2-leaking-from-sub-seabed-storage-in-marine-polluted-sediments
#9
Ana R Borrero-Santiago, T Ángel DelValls, M Inmaculada Riba
Carbon capture and storage (CCS) is a viable option to reduce high concentrations of CO2 and mitigate their negative effects. This option has associated risks such as possible CO2 leakage from the storage sites. So far, negative effects deriving from a CO2 release have been reported for benthic macrofauna in both polluted and nonpolluted sediments. However, bacterial communities has no considered. In this work, risk assessment was carried out in order to evaluate the possible effects in a contaminated area considering bacterial responses (total number of cells, respiring activity, changes in the bacterial community composition and diversity)...
March 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28341448/the-drosophila-dock-family-protein-sponge-is-required-for-development-of-the-air-sac-primordium
#10
Kazushge Morishita, Dang Ngoc Anh Suong, Hideki Yoshida, Masamitsu Yamaguchi
Dedicator of cytokinesis (DOCK) family genes are known as DOCK1-DOCK11 in mammals. DOCK family proteins mainly regulate actin filament polymerization and/or depolymerization and are GEF proteins, which contribute to cellular signaling events by activating small G proteins. Sponge (Spg) is a Drosophila counterpart to mammalian DOCK3/DOCK4, and plays a role in embryonic central nervous system development, R7 photoreceptor cell differentiation, and adult thorax development. In order to conduct further functional analyses on Spg in vivo, we examined its localization in third instar larval wing imaginal discs...
March 21, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28341345/the-signaling-signature-of-the-neurotensin-type-1-receptor-with-endogenous-ligands
#11
Élie Besserer-Offroy, Rebecca L Brouillette, Sandrine Lavenus, Ulrike Froehlich, Andrea Brumwell, Alexandre Murza, Jean-Michel Longpré, Éric Marsault, Michel Grandbois, Philippe Sarret, Richard Leduc
The human neurotensin 1 receptor (hNTS1) is a G protein-coupled receptor involved in many physiological functions, including analgesia, hypothermia, and hypotension. To gain a better understanding of which signaling pathways or combination of pathways are linked to NTS1 activation and function, we investigated the ability of activated hNTS1, which was stably expressed by CHO-K1 cells, to directly engage G proteins, activate second messenger cascades and recruit β-arrestins. Using BRET-based biosensors, we found that neurotensin (NT), NT(8-13) and neuromedin N (NN) activated the Gαq-, Gαi1-, GαoA-, and Gα13-protein signaling pathways as well as the recruitment of β-arrestins 1 and 2...
March 21, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28340474/studying-the-effects-of-natural-extracts-with-metabolomics-a-longitudinal-study-on-the-supplementation-of-healthy-rats-with-polygonum-cuspidatum-sieb-et-zucc
#12
Gregorio Peron, Jalal Uddin, Matteo Stocchero, Stefano Mammi, Elisabetta Schievano, Stefano Dall'Acqua
BACKGROUND: A longitudinal study was performed to evaluate the effects of Polygonum cuspidatum extract (standardized at 20% resveratrol) supplementation on healthy rats. The effects were explored by monitoring urinary metabolome changes using UPLC-HRMS and (1)H NMR-based approaches. The aim of the study was to explore the effects of P. cuspidatum supplementation on a healthy animal model using metabolomics, in order to determine possible modes of action and obtain information on bioactivity...
March 16, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28340465/dumbbell-dna-templated-cunps-as-a-nano-fluorescent-probe-for-detection-of-enzymes-involved-in-ligase-mediated-dna-repair
#13
Taiping Qing, Xiaoxiao He, Dinggeng He, Xiaosheng Ye, Jingfang Shangguan, Jinquan Liu, Baoyin Yuan, Kemin Wang
DNA repair processes are responsible for maintaining genome stability. Ligase and polynucleotide kinase (PNK) have important roles in ligase-mediated DNA repair. The development of analytical methods to monitor these enzymes involved in DNA repair pathways is of great interest in biochemistry and biotechnology. In this work, we reported a new strategy for label-free monitoring PNK and ligase activity by using dumbbell-shaped DNA templated copper nanoparticles (CuNPs). In the presence of PNK and ligase, the dumbbell-shaped DNA probe (DP) was locked and could resist the digestion of exonucleases and then served as an efficient template for synthesizing fluorescent CuNPs...
March 21, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28340239/hypertension-in-dialysis-patients-a-consensus-document-by-the-european-renal-and-cardiovascular-medicine-eureca-m-working-group-of-the-european-renal-association-european-dialysis-and-transplant-association-era-edta-and-the-hypertension-and-the-kidney-working
#14
Pantelis A Sarafidis, Alexandre Persu, Rajiv Agarwal, Michel Burnier, Peter de Leeuw, Charles J Ferro, Jean-Michel Halimi, Gunnar H Heine, Michel Jadoul, Faical Jarraya, Mehmet Kanbay, Francesca Mallamaci, Patrick B Mark, Alberto Ortiz, Gianfranco Parati, Roberto Pontremoli, Patrick Rossignol, Luis Ruilope, Patricia Van der Niepen, Raymond Vanholder, Marianne C Verhaar, Andrzej Wiecek, Gregoire Wuerzner, Gérard M London, Carmine Zoccali
In patients with end-stage renal disease (ESRD) treated with haemodialysis or peritoneal dialysis, hypertension is common and often poorly controlled. Blood pressure (BP) recordings obtained before or after haemodialysis display a J- or U-shaped association with cardiovascular events and survival, but this most likely reflects the low accuracy of these measurements and the peculiar haemodynamic setting related to dialysis treatment. Elevated BP detected by home or ambulatory BP monitoring is clearly associated with shorter survival...
March 13, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28340078/image-integration-into-3-dimensional-electro-anatomical-mapping-system-facilitates-safe-ablation-of-ventricular-arrhythmias-originating-from-the-aortic-root-and-its-vicinity
#15
Mario Jularic, Ruken Özge Akbulak, Benjamin Schäffer, Julia Moser, Jana Nuehrich, Christian Meyer, Christian Eickholt, Stephan Willems, Boris A Hoffmann
Aims: During ablation in the vicinity of the coronary arteries establishing a safe distance from the catheter tip to the relevant vessels is mandatory and usually assessed by fluoroscopy alone. The aim of the study was to investigate the feasibility of an image integration module (IIM) for continuous monitoring of the distance of the ablation catheter tip to the main coronary arteries during ablation of ventricular arrhythmias (VA) originating in the sinus of valsalva (SOV) and the left ventricular summit part of which can be reached via the great cardiac vein (GCV)...
March 7, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28340060/physician-dispensing-of-oxycodone-and-other-commonly-used-opioids-2000-2015-united-states
#16
Karin Ann Mack, Christopher McCall Jones, Roderick John McClure
Objective.:  An average of 91 people in the United States die every day from an opioid-related overdose (including prescription opioids and heroin). The direct dispensing of opioids from health care practitioner offices has been linked to opioid-related harms. The objective of this study is to describe the changing nature of the volume of this type of prescribing at the state level. Methods.:  This descriptive study examines the distribution of opioids by practitioners using 1999-2015 Automation of Reports and Consolidated Orders System data...
March 15, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339904/validity-of-different-activity-monitors-to-count-steps-in-an-inpatient-rehabilitation-setting
#17
Daniel Treacy, Leanne Hassett, Karl Schurr, Sakina Chagpar, Serene S Paul, Catherine Sherrington
Background: Commonly used activity monitors have been shown to be accurate in counting steps in active people, however, further validation is needed in slower walking populations. Objectives: To determine the validity of activity monitors for measuring step counts in rehabilitation inpatients compared to visually-observed step counts. To explore the influence of gait parameters, activity monitor position and use of walkers on activity monitor accuracy. Methods: 166 inpatients admitted to a rehabilitation unit with an average walking speed of 0...
March 2, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28339847/telephone-delivered-exercise-advice-and-behavior-change-support-by-physical-therapists-for-people-with-knee-osteoarthritis-protocol-for-the-telecare-randomized-controlled-trial
#18
Rana S Hinman, Belinda J Lawford, Penny K Campbell, Andrew M Briggs, Janette Gale, Caroline Bills, Simon D French, Jessica Kasza, Andrew Forbes, Anthony Harris, Stephen J Bunker, Clare M Delany, Kim L Bennell
Background.: Exercise and physical activity are a core component of knee osteoarthritis (OA) care, yet access to physical therapists is limited for many people. Telephone service delivery models may increase access. Objective.: Determine the effectiveness of incorporating exercise advice and behaviour change support by physical therapists into an existing Australian nurse-led musculoskeletal telephone service for adults with knee OA. Design.: Randomized controlled trial with nested qualitative studies...
March 1, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28339802/alterations-in-urinary-collagen-peptides-in-lupus-nephritis-subjects-correlate-with-renal-dysfunction-and-renal-histopathology
#19
Ru Wei, Benbo Gao, Fei Shih, Ann Ranger, Andrea Dearth, Harald Mischak, Justyna Siwy, Nicolas Wisniacki, Michelle Petri, Linda C Burkly
Background.: The excessive accumulation of extracellular matrix (ECM) in the renal tubulointerstitium is a key component of chronic renal damage in lupus nephritis (LN) and a critical determinant of the disease progression to renal failure. Detection of fibrosis requires renal biopsy and is therefore limited by high risks associated with an invasive procedure. This study explores whether a unique LN urinary peptidome can be identified and whether LN-specific alteration reflects the underlying fibrogenic process of altered ECM turnover...
February 23, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339793/lameness-assessment-with-automatic-monitoring-of-activity-in-commercial-broiler-flocks
#20
A M Silvera, T G Knowles, A Butterworth, D Berckmans, E Vranken, H J Blokhuis
The possibility of using automatic recordings of broiler chicken activity in commercial flocks to assess the birds΄ walking ability (lameness) was investigated. Data were collected from 5 commercial broiler farms in 4 European countries, using 16 flocks and 33 assessment occasions. Lameness was assessed using established gait scoring methods (Kestin et al., 1992; Welfare Quality®, 2009) and took place at 3, 4, and 5 wk of age. Gait score (GS) was used to assess the birds' walking ability, and automatic recordings of bird activity were collected using the eYeNamic™ camera system before, during, and after an assessor walked through the house...
February 23, 2017: Poultry Science
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