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https://www.readbyqxmd.com/read/28550813/a-reliable-sewage-quality-abnormal-event-monitoring-system
#1
Tianling Li, Melissa Winnel, Hao Lin, Jared Panther, Chang Liu, Roger O'Halloran, Kewen Wang, Taicheng An, Po Keung Wong, Shanqing Zhang, Huijun Zhao
With closing water loop through purified recycled water, wastewater becomes a part of source water, requiring reliable wastewater quality monitoring system (WQMS) to manage wastewater source and mitigate potential health risks. However, the development of reliable WQMS is fatally constrained by severe contamination and biofouling of sensors due to the hostile analytical environment of wastewaters, especially raw sewages, that challenges the limit of existing sensing technologies. In this work, we report a technological solution to enable the development of WQMS for real-time abnormal event detection with high reliability and practicality...
May 20, 2017: Water Research
https://www.readbyqxmd.com/read/28550804/dispersant-approval-procedures-in-france-and-italy-a-comparative-ecotoxicity-study
#2
Loredana Manfra, Andrea Tornambè, Julien Guyomarch, Pascale Le Guerrogue, Loïc Kerambrun, Alice Rotini, Federica Savorelli, Fulvio Onorati, Erika Magaletti
A research project has been performed to the request of the RAMOGE Executive Secretariat to identify differences between dispersant approval procedures in France and Italy and propose ways to harmonize them. A collaborative study has been conducted by CEDRE (Centre of Documentation, Research and Experimentation on Accidental Water Pollution) and ISPRA (Italian Institute for Environmental Protection and Research) to: a) compare current approval procedures in Italy and France with identification of differences and commonalities; b) carry out toxicity tests using both procedures on two selected dispersants; c) propose a common approach between Italy and France...
May 24, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28550798/sediment-quality-in-a-metal-contaminated-tropical-bay-assessed-with-a-multiple-lines-of-evidence-approach
#3
Sarah K Rodrigues, Denis M S Abessa, Ana Paula de C Rodrigues, Abílio Soares-Gomes, Carolina B Freitas, Ricardo E Santelli, Aline S Freire, Wilson Machado
A sediment quality assessment was performed near to the main industrial source of metal contamination in Sepetiba Bay, Brazil, which represents one of the worst cases of trace metal contamination reported for coastal areas. Acute and chronic toxicity tests, benthic fauna community analysis and metal bioavailability evaluations were applied to identify risks to the benthic community. Significant amphipod mortality was observed close to the major pollution source and lower copepod fertility was observed for all stations...
May 24, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28550797/potential-tracers-for-tracking-septic-tank-effluent-discharges-in-watercourses
#4
Samia Richards, Paul J A Withers, Eric Paterson, Colin W McRoberts, Marc Stutter
Septic tank effluent (STE) contributes to catchment nutrient and pollutant loads. To assess the role of STE discharges in impairment of surface water, it is essential to identify the sources of pollution by tracing contaminants in watercourses. We examined tracers that were present in STE to establish their potential for identifying STE contamination in two stream systems (low and high dilution levels) against the background of upstream sources. The studied tracers were microbial, organic matter fluorescence, caffeine, artificial sweeteners and effluent chemical concentrations...
May 24, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28550796/a-novel-tertiary-prep-hplc-method-for-the-isolation-of-single-amino-acids-for-ams-radiocarbon-measurement
#5
Ricardo Fernandes, Tomas Koudelka, Andreas Tholey, Alexander Dreves
AMS-radiocarbon measurements of amino acids can potentially provide more reliable radiocarbon dates than bulk collagen analysis. Nonetheless, the applicability of such an approach is often limited by the low-throughput of existing isolation methods and difficulties in determining the contamination introduced during the separation process. A novel tertiary prep-HPLC amino acid isolation method was developed that relies on the combustion of eluted material without requiring any additional chemical steps. Amino acid separation was carried out using a gradient mix of pure water and phosphoric acid with an acetonitrile step in-between runs to remove hydrophobic molecules from the separation column...
May 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28550759/venous-thromboembolism-in-the-elderly-a-narrative-review
#6
REVIEW
T Tritschler, D Aujesky
Persons aged ≥65years not only account for over 60% of venous thromboembolism (VTE) events, they have also a higher mortality and VTE-related morbidity than younger patients, including anticoagulation-related bleeding and the postthrombotic syndrome. However, only few studies have focused specifically on VTE in older persons and practice guidelines commonly extrapolate study results from younger healthier patients to the multimorbid elderly. Evidence suggests that the clinical presentation is more subtle in the elderly with VTE and that commonly used diagnostic modalities, including clinical prediction rules, D-dimer tests, and planar ventilation-perfusion scans are less specific and efficient in older persons...
May 17, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28550745/facile-synthesis-and-characterization-of-a-novel-silica-molybdenum-disulfide-hybrid-material
#7
Keqing Zhou, Xiaodong Qian, Rui Gao, Fuding Mei
To improve the dispersion of MoS2 in polymer matrix, a facile synthesis approach was developed in this study through a synergetic effect between two kinds of nanofillers with different dimensionality. The nanohybrids based on two dimensional (2D) MoS2 and 0D silica nanospheres were fabricated by in situ growth method without any surfactants. Characterizations of the hybrid materials were done by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Solid-state (29)Si nuclear magnetic resonance (NMR) spectra, transmission electron micrographs (TEM) and scanning electron microscopy (SEM)...
May 19, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28550724/soil-erosion-predictions-from-a-landscape-evolution-model-an-assessment-of-a-post-mining-landform-using-spatial-climate-change-analogues
#8
G R Hancock, D Verdon-Kidd, J B C Lowry
Landscape Evolution Modelling (LEM) technologies provide a means by which it is possible to simulate the long-term geomorphic stability of a conceptual rehabilitated landform. However, simulations rarely consider the potential effects of anthropogenic climate change and consequently risk not accounting for the range of rainfall variability that might be expected in both the near and far future. One issue is that high resolution (both spatial and temporal) rainfall projections incorporating the potential effects of greenhouse forcing are required as input...
May 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28550706/st-michael-s-improvement-program-a-collaborative-approach-to-sustainable-cost-savings
#9
Anne Trafford, Danielle Jane
In response to a challenging financial environment and increasing patient demand, St. Michael's Hospital needed to find long-term sustainable solutions to continue to provide high-quality patient care and invest in key priorities. By conducting Operational Reviews in focused areas, the hospital achieved $7.4 million of in-year savings in the first year, found standardizations, process efficiencies and direct cost savings that positioned itself for success in future funding models. Initiatives were grounded in evidence and relied heavily on the effective execution by the leadership, front-line staff and physicians...
2017: Healthcare Quarterly
https://www.readbyqxmd.com/read/28550704/integrating-engagement-and-improvement-work-in-a-pediatric-hospital
#10
Mireille Brosseau, Diane Gagnon, Kristina Rohde, Jennifer Schellinck
Although geared towards a common goal - improved patient-centred care - quality improvement strategies and patient engagement-focused approaches are often developed and conducted in silos. The lack of integration may lead, on the one hand, to the uptake of patient suggestions that do not always take into consideration implications for the delivery of quality care and, on the other hand, to inadequate understanding of patient views required to create optimal services. The Children's Hospital of Eastern Ontario (CHEO)'s action plans to address gaps in patient engagement and quality improvement, two of its priority areas, were initially carried out in isolation of each other...
2017: Healthcare Quarterly
https://www.readbyqxmd.com/read/28550703/improving-patient-engagement-and-satisfaction-lessons-from-a-patient-driven-care-initiative-in-a-community-based-hospital
#11
Lisa Shiozaki, Kirsten Burgomaster, Manon Lemonde
Lack of collaboration and alignment between members of the healthcare team interfere with the patient-centred care approach. The Patient-Driven Care Project was initiated in 2012. This model sought to advance a system of care that is patient-driven, family-centred and provider-guided to improve the value to patients and give them more control on their health journey. The evaluation revealed that the efforts should focus on sustainability and continuation of support and encouragement of hospital colleagues to ensure each patient and family experience is based on caring communication at every interaction with them...
2017: Healthcare Quarterly
https://www.readbyqxmd.com/read/28550702/listening-to-improve-transforming-patient-relations-measurement-and-reporting-in-ontario
#12
Patricia Sullivan-Taylor, Rachel Frohlich, Anita Singh, Anna Greenberg
Effective patient relations are important to improve patient experience and deliver better care. Policy and legislative changes in Ontario have increased accountabilities for patient relations and expanded Health Quality Ontario (HQO)'s mandate. In response, HQO collaborated with patients, health sector organizations, associations and the Ministry of Health and Long-Term Care to co-design a patient relations measurement and reporting approach. Informed by an environmental scan, broad consultations, a multi-sector survey and a provincial advisory group, the approach includes standardized patient relations indicators to support measurement and public reporting across the hospital, home and long-term care sectors...
2017: Healthcare Quarterly
https://www.readbyqxmd.com/read/28550692/improving-health-system-efficiency-perspectives-of-decision-makers
#13
Sara Allin, Sara Guilcher, Dana Riley, Yu Janice Zhang
While improving health system efficiency, or value for money, is a priority in Canada, there is little information about optimal approaches for improvement in the Canadian context. Through interviews with senior health system decision-makers from two provinces, this study conducted by the Canadian Institute for Health Information identified the following five main themes along with actions that can be taken to improve health system efficiency in Canada: performance monitoring for accountability and decision-making, system-level integration in governance and care delivery, partnerships outside the health sector to improve population health, physician engagement and remuneration and flexible funding...
2017: Healthcare Quarterly
https://www.readbyqxmd.com/read/28550678/knockdown-of-long-noncoding-rna-lncrna-metastasis-associated-lung-adenocarcinoma-transcript-1-malat1-inhibits-proliferation-migration-and-invasion-and-promoted-apoptosis-by-targeting-mir-124-in-retinoblastoma
#14
Shujun Liu, Guigang Yan, Junfu Zhang, Lianzhi Yu
Evidence suggests that the long non-coding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1)is upregulated in cancer tissues and its elevated expression is associated with hyper-proliferation. However, the underlying mechanisms regarding the role of MALAT1 in retinoblastoma (RB) remains unclear. This study aimed to explore the functional role of MALAT1 in RB by targeting miR-124. Results showed that the expression of - MALAT1 was significantly higher in Y79 cell line than ARPE-19 cell line (P<0...
May 21, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550673/-clinical-characteristics-diagnosis-and-treatment-of-pulmonary-inflammatory-myofibroblastic-tumor-in-children
#15
F H Wang, J H Liang, J H Zeng, J Tang, H Wang, W Liu
Objective: To explore the clinical characteristics, diagnosis and treatment of pulmonary inflammatory myofibroblastic tumor in children. Methods: The clinical data of 13 patients with pulmonary inflammatory myofibroblastic tumor between October 2009 and October 2015 were retrospectively analyzed, including 9 boys and 4 girls aged 1 to 12 years 4 months (mean 4 years 9 months). Seven patients underwent total tumor resection, 4 had lobectomy, 1 had partial tumor resection and 1 had biopsy. The follow-up time ranged from 2 months to 6 years and 2 months...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550660/achieving-smoking-cessation-in-individuals-with-schizophrenia-special-considerations
#16
REVIEW
Corinne Cather, Gladys N Pachas, Kristina M Cieslak, A Eden Evins
Premature mortality due to cardiovascular disease in those with schizophrenia is the largest lifespan disparity in the US and is growing; adults in the US with schizophrenia die, on average, 28 years earlier than those in the general population. The rate of smoking prevalence among individuals with schizophrenia is estimated to be from 64 to 79%. Smokers with schizophrenia have historically been excluded from most large nicotine-dependence treatment studies. However, converging evidence indicates that a majority of smokers with schizophrenia want to quit smoking, and that available pharmacotherapeutic smoking cessation aids are well tolerated by this population of smokers and are effective when combined with behavioral treatment...
May 26, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28550658/are-subjective-ratings-of-metaphors-a-red-herring-the-big-two-dimensions-of-metaphoric-sentences
#17
Paul H Thibodeau, Les Sikos, Frank H Durgin
What makes some metaphors easier to understand than others? Several psycholinguistic dimensions have been identified as candidate answers to this question, including appeals to familiarity and aptness. One way to operationalize these dimensions is to collect ratings of them from naive participants. In this article, we question the construct validity of this approach. Do ratings of aptness actually reflect the aptness of the metaphors? Are ratings of aptness measuring something different from ratings of familiarity? With two experiments and an analysis of existing datasets, we argue that ratings of metaphoric sentences are confounded by how easily people are able to understand the sentences (processing fluency)...
May 27, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28550654/censored-cumulative-residual-independent-screening-for-ultrahigh-dimensional-survival-data
#18
Jing Zhang, Guosheng Yin, Yanyan Liu, Yuanshan Wu
For complete ultrahigh-dimensional data, sure independent screening methods can effectively reduce the dimensionality while retaining all the active variables with high probability. However, limited screening methods have been developed for ultrahigh-dimensional survival data subject to censoring. We propose a censored cumulative residual independent screening method that is model-free and enjoys the sure independent screening property. Active variables tend to be ranked above the inactive ones in terms of their association with the survival times...
May 26, 2017: Lifetime Data Analysis
https://www.readbyqxmd.com/read/28550650/single-breath-hold-3-d-cine-imaging-of-the-left-ventricle-using-cartesian-sampling
#19
Jens Wetzl, Michaela Schmidt, François Pontana, Benjamin Longère, Felix Lugauer, Andreas Maier, Joachim Hornegger, Christoph Forman
OBJECTIVES: Our objectives were to evaluate a single-breath-hold approach for Cartesian 3-D CINE imaging of the left ventricle with a nearly isotropic resolution of [Formula: see text] and a breath-hold duration of [Formula: see text]19 s against a standard stack of 2-D CINE slices acquired in multiple breath-holds. Validation is performed with data sets from ten healthy volunteers. MATERIALS AND METHODS: A Cartesian sampling pattern based on the spiral phyllotaxis and a compressed sensing reconstruction method are proposed to allow 3-D CINE imaging with high acceleration factors...
May 26, 2017: Magma
https://www.readbyqxmd.com/read/28550649/improved-formula-see-text-determination-in-23-na-35-cl-and-17-o-mri-using-iterative-partial-volume-correction-based-on-1-h-mri-segmentation
#20
Sebastian C Niesporek, Reiner Umathum, Thomas M Fiedler, Peter Bachert, Mark E Ladd, Armin M Nagel
OBJECTIVE: Functional parameters can be measured with the help of quantitative non-proton MRI where exact relaxometry parameters are needed. Investigation of [Formula: see text] is often biased by strong partial volume (PV) effects. Hence, in this work a PV correction algorithm approach was evaluated that uses iteratively adapted [Formula: see text]-values and high-resolution structural (1)H data to determine transverse relaxation in non-proton MRI more accurately. MATERIALS AND METHODS: Simulations, a phantom study and in vivo (23)Na, (17)O and (35)Cl MRI measurements of five healthy volunteers were performed to evaluate the algorithm...
May 26, 2017: Magma
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