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Quality systems regulations

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https://www.readbyqxmd.com/read/28532472/an-audit-of-food-and-beverage-advertising-on-the-sydney-metropolitan-train-network-regulation-and-policy-implications
#1
Emma Sainsbury, Stephen Colagiuri, Roger Magnusson
BACKGROUND: Increased marketing of energy-dense, nutrient-poor foods has been identified as a driver of the global obesity epidemic and a priority area for preventative efforts. Local and international research has focused on the unhealthiness of television advertising, with limited research into the growing outdoor advertising industry. This study aimed to examine the extent of food and beverage advertising on the Sydney metropolitan train network, and to assess the nutritional quality of advertised products against the Australian Guide to Healthy Eating...
May 22, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28531834/bioelectrical-impedimetric-sensor-for-single-cell-analysis-based-on-nanoroughened-quartz-substrate-suitable-for-cancer-therapeutic-purposes
#2
Milad Gharooni, Mohammad Abdolahad
Single cells analysis has been interested in recent decade. Apart from scientific benefits to achieve new biological phenomena in cell study, many diagnostic and therapeutic protocols in non-communicable diseases were introduced by single cell analysis. Moreover, non-invasive methods to maintain the investigated cell for time dependent monitoring has been widely studied because of its importance in some crucial cases such as drug resistance in cancer. Bioelectrical monitoring is one of such methods Although the procedures reported based on electrical probing might not induce cell disruption, indirect connection between recording electrodes and cell membrane (mostly in microfluidic approaches) reduced the quality of response and limited the precision of the results...
May 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28530394/electrogeneration-of-gold-nanoparticles-on-porous-carbon-paper-based-electrodes-and-application-to-inorganic-arsenic-analysis-in-white-wines-by-chronoamperometric-stripping
#3
Estefanía Nunez-Bajo, Maria Carmen Blanco-López, Agustin Costa-García, M Teresa Fernández-Abedul
This paper describes the development of simple, sustainable and low-cost strategies of signal enhancement on paper-based carbon platforms through gold nanoparticles electrogenerated from small volumes of tetrachloroauric acid solutions. Carbon ink is deposited in a hydrophilic working area of the paper delimited with hydrophobic wax. This maskless procedure is fast and cuts down ink waste. The connection of this working electrode to the potentiostat is ensured with the use of screen-printed electrodes (SPEs)...
May 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28527635/shared-decision-making-in-preventive-care-in-switzerland-from-theory-to-action
#4
Kevin Selby, Reto Auer, Jacques Cornuz
Switzerland with its decentralized, liberal health system and its tradition of direct democracy may be an ideal place for shared decision making (SDM) to take root organically, rather than using top-down regulations seen in other countries. There are now multiple directives and programmes in place to encourage SDM, with the creation of several decision aids and specific training programs in the five Swiss medical schools. There has been an emphasis on preventive care, with the integration of patient preference into an organized colorectal cancer screening program, clear recommendations for prostate cancer screening, and inroads into the primary prevention of cardiovascular disease...
May 17, 2017: Zeitschrift Für Evidenz, Fortbildung und Qualität Im Gesundheitswesen
https://www.readbyqxmd.com/read/28527380/measurement-differences-between-turbidity-instruments-and-their-implications-for-suspended-sediment-concentration-and-load-calculations-a-sensor-inter-comparison-study
#5
A Rymszewicz, J J O'Sullivan, M Bruen, J N Turner, D M Lawler, E Conroy, M Kelly-Quinn
The use of turbidity for indicating environmentally detrimental levels of suspended and colloidal matter in freshwater systems, and for defining acceptable water quality standards in national and European drinking water regulations, is well established. Turbidity is therefore frequently adopted as a surrogate for suspended sediment concentrations (SSC), or as a relative and objective measure of water clarity in monitoring programmes. Through systematic, controlled experimentation, we tested the response of 12 commercially available turbidity sensors, of various designs, to gauge their measurement consistency when benchmarked against pre-prepared sediment suspensions of known SSC...
May 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28527083/shared-mechanisms-of-epilepsy-migraine-and-affective-disorders
#6
Davide Zarcone, Simona Corbetta
Since the nineteenth century several clinical features have been observed in common between migraine and epilepsy (such as episodic attacks, triggering factors, presence of aura, frequent familiarity), but only in recent years researchers have really engaged in finding a common pathogenic mechanism. From studies of disease incidence, we understand how either migraine among patients with epilepsy or epilepsy among migraine patients are more frequent than in the general population. This association may result from a direct causality, by the same environmental risk factors and/or by a common genetic susceptibility...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28526259/the-impact-of-daytime-light-exposures-on-sleep-and-mood-in-office-workers
#7
Mariana G Figueiro, Bryan Steverson, Judith Heerwagen, Kevin Kampschroer, Claudia M Hunter, Kassandra Gonzales, Barbara Plitnick, Mark S Rea
BACKGROUND: By affecting the internal timing mechanisms of the brain, light regulates human physiology and behavior, perhaps most notably the sleep-wake cycle. Humans spend over 90% of their waking hours indoors, yet light in the built environment is not designed to affect circadian rhythms. OBJECTIVE: Using a device calibrated to measure light that is effective for the circadian system (circadian-effective light), collect personal light exposures in office workers and relate them to their sleep and mood...
June 2017: Sleep Health
https://www.readbyqxmd.com/read/28526134/molecular-biology-digest-of-cell-mitophagy
#8
I Matic, D Strobbe, F Di Guglielmo, M Campanella
The homeostasis of eukaryotic cells relies on efficient mitochondrial function. The control of mitochondrial quality is framed by the combination of distinct but interdependent mechanisms spanning biogenesis, regulation of dynamic network, and finely tuned degradation either through ubiquitin-proteasome system or autophagy (mitophagy). There is continuous evolution on the pathways orchestrating the mitochondrial response to stress signals and the organelle adaptation to quality control during acute and subtle dysfunctions...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28525291/the-state-of-opioid-agonist-therapy-in-canada-20-years-after-federal-oversight
#9
Joseph K Eibl, Kristen Morin, Esa Leinonen, David C Marsh
Opioid agonist therapy was introduced in Canada in 1959 with the use of methadone for the treatment of opioid dependence. The regulation of methadone was the responsibility of Health Canada until 1995, when oversight was transferred to the provincial health systems. During the more than 20 years since the federal health authority transferred oversight of methadone to the provincial level, methadone programming has evolved differently in every province. The landscape of opioid dependence treatment is varied across the country, with generally increasing treatment capacity in all provinces and dramatic increases in some...
January 1, 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28521110/ethanol-induced-stress-response-of-staphylococcus-aureus
#10
Jasmine M Pando, Richard F Pfeltz, Jesus A Cuaron, Vijayaraj Nagarajan, Mukti N Mishra, Nathanial J Torres, Mohamed O Elasri, Brian J Wilkinson, John E Gustafson
Transcriptional profiles of two unrelated clinical methicillin-resistant S. aureus (MRSA) isolates were analyzed following 10 % v/v ethanol challenge (15 min), which arrested growth but did not reduce viability. Ethanol-induced stress (EIS) resulted in differential gene expression of 1091 genes, 600 common to both strains, of which 291 were up-regulated. With the exception of the down-regulation of genes involved with osmotic stress functions, EIS resulted in the up-regulation of genes that contribute to stress response networks, notably those altered by oxidative stress, protein quality control in general, and heat shock in particular...
May 18, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28508785/assessing-the-educational-needs-of-health-information-management-staff-of-the-mashhad-university-of-medical-sciences-iran
#11
Khalil Kimiafar, Abbas Sheikhtaheri, Masoumeh Sarbaz, Masoumeh Hoseini
Health information management (HIM) professionals have a combination of skills and, at the same time, the demand for their skills in the health system is increasing rapidly. This study aimed to assess the educational needs of the HIM staff in Iran. This descriptive analytical study was conducted in eight teaching hospitals. It was found that the maximum educational needs concerned the knowledge of medical terminology, occupational safety, legal aspects, the newest rules and regulations, and ministry guidelines, while the least of the felt needs related to insurance and other aspects of registry, data ownership, and data quality...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28507098/cargo-engagement-protects-protease-adaptors-from-degradation-in-a-substrate-specific-manner
#12
Kamal Kishore Joshi, Madeleine Sutherland, Peter Chien
Protein degradation in bacteria is a highly controlled process involving proteolytic adaptors that regulate protein degradation during cell cycle progression or during stress responses. Many adaptors work as scaffolds that selectively bind cargo and tether substrates to their cognate proteases to promote substrate destruction, while others primarily activate the target protease. Because adaptors must bind their cognate protease, all adaptors run the risk of being recognized by the protease as substrates themselves, a process that could limit their effectiveness...
May 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28506781/implementation-of-quality-management-for-clinical-bacteriology-in-low-resource-settings
#13
REVIEW
Barbara Barbé, Cedric P Yansouni, Dissou Affolabi, Jan Jacobs
BACKGROUND: The declining trend of malaria and the recent prioritization of containment of antimicrobial resistance have created a momentum to implement clinical bacteriology in low-resource settings (LRS). Successful implementation relies on guidance by a quality management system (QMS). Over the past decade, international initiatives were launched towards implementation of QMS in HIV/AIDS, tuberculosis and malaria. AIMS: To describe the progress towards accreditation of medical laboratories and to identify the challenges and "Best practices" for implementation of QMS in clinical bacteriology in LRS...
May 12, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28506678/adaptive-super-twisting-sliding-mode-control-for-a-three-phase-single-stage-grid-connected-differential-boost-inverter-based-photovoltaic-system
#14
Akshaya K Pati, N C Sahoo
This paper presents an adaptive super-twisting sliding mode control (STC) along with double-loop control for voltage tracking performance of three-phase differential boost inverter and DC-link capacitor voltage regulation in grid-connected PV system. The effectiveness of the proposed control strategies are demonstrated under realistic scenarios such as variations in solar insolation, load power demand, grid voltage, and transition from grid-connected to standalone mode etc. Additional supplementary power quality control functions such as harmonic compensation, and reactive power management are also investigated with the proposed control strategy...
May 12, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28505334/direction-a-machine-learning-framework-for-predicting-and-characterizing-dna-methylation-and-hydroxymethylation-in-mammalian-genomes
#15
Milos Pavlovic, Pradipta Ray, Kristina Pavlovic, Aaron Kotamarti, Min Chen, Michael Q Zhang
Motivation: 5-Methylcytosine and 5-Hydroxymethylcytosine in DNA are major epigenetic modifications known to significantly alter mammalian gene expression. High-throughput assays to detect these modifications are expensive, labor-intensive, unfeasible in some contexts, and leave a portion of the genome unqueried. Hence, we devised a novel, supervised, integrative learning framework to perform whole-genome methylation and hydroxymethylation predictions in CpG dinucleotides. Our framework can also perform imputation of missing or low quality data in existing sequencing datasets...
May 12, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28489422/mechanisms-of-automaticity-and-anticipatory-control-in-fluid-intelligence
#16
Arthur W Joyce
The constructs of fluid (Gf) and crystalized (Gc) intelligence represent an early attempt to describe the mechanisms of problem solving in the vertebrate brain. Modern neuroscience demonstrates that problem solving involves interplay between the mechanisms of automaticity and anticipatory control, enabling nature's elegant solution to the challenges animals face in their environment. Studies of neural functioning are making clear the primary role of cortical-subcortical interactions in the manifestation of intelligent behavior in humans and other vertebrates...
May 10, 2017: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/28487627/endoplasmic-reticulum-malfunction-in-the-nervous-system
#17
Joanna Jung, Marek Michalak, Luis B Agellon
Neurodegenerative diseases often have multifactorial causes and are progressive diseases. Some are inherited while others are acquired, and both vary greatly in onset and severity. Impaired endoplasmic reticulum (ER) proteostasis, involving Ca(2+) signaling, protein synthesis, processing, trafficking, and degradation, is now recognized as a key risk factor in the pathogenesis of neurological disorders. Lipidostasis involves lipid synthesis, quality control, membrane assembly as well as sequestration of excess lipids or degradation of damaged lipids...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28485714/portugal-health-system-review
#18
Jorge de Almeida Simoes, Goncalo Figueiredo Augusto, Ines Fronteira, Cristina Hernandez-Quevedo
This analysis of the Portuguese health system reviews recent developments in organization and governance, health financing, health care provision, health reforms and health system performance. Overall health indicators such as life expectancy at birth and at age 65 years have shown a notable improvement over the last decades. However, these improvements have not been followed at the same pace by other important dimensions of health: child poverty and its consequences, mental health and quality of life after 65...
March 2017: Health Systems in Transition
https://www.readbyqxmd.com/read/28474560/redox-regulation-of-fertility-in-aging-male-and-the-role-of-antioxidants-a-savior-or-stressor
#19
Kristian Leisegang, Ralf Henkel, Ashok Agarwal
Oxidative stress (OS), an imbalance between reactive oxygen species (ROS) and antioxidant scavengers, is considered an important underlying mechanism associated with ageing, age-related chronic diseases and reproductive decline in males. However, OS is an important regulator of numerous molecular pathways essential for homeostasis within cells, tissues and systems. A fine balance between factors promoting OS and those that scavenge ROS is critically important. In the male reproductive tract and ejaculate, ROS are critical molecular players in essential reproductive processes, including spermatogenesis, epididymal transport, spermatozoa maturation and post-ejaculation processes such as motility, capacitation and the acrosome reaction...
October 19, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28472044/the-putative-drug-efflux-systems-of-the-bacillus-cereus-group
#20
Karl A Hassan, Annette Fagerlund, Liam D H Elbourne, Aniko Vörös, Jasmin K Kroeger, Roger Simm, Nicolas J Tourasse, Sarah Finke, Peter J F Henderson, Ole Andreas Økstad, Ian T Paulsen, Anne-Brit Kolstø
The Bacillus cereus group of bacteria includes seven closely related species, three of which, B. anthracis, B. cereus and B. thuringiensis, are pathogens of humans, animals and/or insects. Preliminary investigations into the transport capabilities of different bacterial lineages suggested that genes encoding putative efflux systems were unusually abundant in the B. cereus group compared to other bacteria. To explore the drug efflux potential of the B. cereus group all putative efflux systems were identified in the genomes of prototypical strains of B...
2017: PloS One
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