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https://www.readbyqxmd.com/read/28091606/long-term-efficient-organic-photovoltaics-based-on-quaternary-bulk-heterojunctions
#1
Minwoo Nam, Minjeong Cha, Hyun Hwi Lee, Kahyun Hur, Kyu-Tae Lee, Jaehong Yoo, Il Ki Han, S Joon Kwon, Doo-Hyun Ko
A major impediment to the commercialization of organic photovoltaics (OPVs) is attaining long-term morphological stability of the bulk heterojunction (BHJ) layer. To secure the stability while pursuing optimized performance, multi-component BHJ-based OPVs have been strategically explored. Here we demonstrate the use of quaternary BHJs (q-BHJs) composed of two conjugated polymer donors and two fullerene acceptors as a novel platform to produce high-efficiency and long-term durable OPVs. A q-BHJ OPV (q-OPV) with an experimentally optimized composition exhibits an enhanced efficiency and extended operational lifetime than does the binary reference OPV...
January 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28089415/antimicrobial-stewardship-in-the-federal-bureau-of-prisons-approaches-from-the-national-and-local-levels
#2
Michael J Long, Brian N LaPlant, Justin C McCormick
OBJECTIVES: To determine the impact of national and local antimicrobial stewardship measures on overall antibiotic prescribing in the Federal Bureau of Prisons (BOP). SETTING: Care was delivered to more than 160,000 inmates in 122 BOP facilities in the United States and Puerto Rico. PRACTICE DESCRIPTION: Medical centers and health services clinics staffed by in-house medical staff, consultants, and specialists. Staffs include a variety of disciplines, including physicians, pharmacists, dentists, nurses, infection control personnel, therapists, health services administrators, and institution executive staff...
January 12, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28089082/backcasting-to-identify-food-waste-prevention-and-mitigation-opportunities-for-infant-feeding-in-maternity-services
#3
Yvonne Ryan-Fogarty, Genevieve Becker, Richard Moles, Bernadette O'Regan
Food waste in hospitals is of major concern for two reasons: one, healthcare needs to move toward preventative and demand led models for sustainability and two, food system sustainability needs to seek preventative measures such as diet adaptation and waste prevention. The impact of breast-milk substitute use on health services are well established in literature in terms of healthcare implications, cost and resourcing, however as a food demand and waste management issue little has been published to date. This paper presents the use of a desk based backcasting method to analyse food waste prevention, mitigation and management options within the Irish Maternity Service...
January 6, 2017: Waste Management
https://www.readbyqxmd.com/read/28087797/the-cascading-effects-of-marginalization-and-pathways-of-resilience-in-attaining-good-health-among-lgbt-older-adults
#4
Karen I Fredriksen-Goldsen, Hyun-Jun Kim, Amanda E B Bryan, Chengshi Shiu, Charles A Emlet
PURPOSE OF THE STUDY: Lesbian, gay, bisexual, and transgender (LGBT) older adults comprise a diverse and growing health disparate population. In the present study, using the Health Equity Promotion Model, we investigated pathways by which LGBT older adults experience resilience, risk, and marginalization and their relationship to attaining positive health outcomes. DESIGN AND METHODS: Aging with Pride: National Health, Aging, and Sexuality/Gender Study (NHAS) is the first longitudinal research project designed to examine the health, aging, and well-being of LGBT adults aged 50 and older...
February 2017: Gerontologist
https://www.readbyqxmd.com/read/28086876/fulfillment-of-administrative-and-professional-obligations-of-hospitals-and-mission-motivation-of-physicians
#5
Jeroen Trybou, Paul Gemmel, Sebastian Desmidt, Lieven Annemans
BACKGROUND: To be successful, hospitals must increasingly collaborate with their medical staff. One strategic tool that plays an important role is the mission statement of hospitals. The goal of this research was to study the relationship between the fulfillment of administrative and professional obligations of hospitals on physicians' motivation to contribute to the mission of the hospital. Furthermore the mediating role of the physicians' emotional attachment to the hospital and moderation effect of the exchange with the head physicians were considered...
January 13, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28081516/autism-does-not-limit-strategic-thinking-in-the-beauty-contest-game
#6
Peter C Pantelis, Daniel P Kennedy
A popular hypothesis in developmental psychology is that individuals with autism spectrum disorder (ASD) have a specific impairment or developmental delay in their ability to reason about other people's mental processes, especially when this reasoning process is of a higher-order, recursive, or nested variety. One type of interpersonal interaction that involves this sort of complex reasoning about others' minds is an economic game, and because economic games have been extensively modeled in behavioral economics, they provide a unique testbed for a quantitative and precise analysis of cognitive functioning in ASD...
January 9, 2017: Cognition
https://www.readbyqxmd.com/read/28080221/molecular-mechanisms-of-antisense-oligonucleotides
#7
Stanley T Crooke
In 1987, when I became interested in the notion of antisense technology, I returned to my roots in RNA biochemistry and began work to understand how oligonucleotides behave in biological systems. Since 1989, my research has focused primarily on this topic, although I have been involved in most areas of research in antisense technology. I believe that the art of excellent science is to frame large important questions that are perhaps not immediately answerable with existing knowledge and methods, and then conceive a long-term (multiyear) research strategy that begins by answering the most pressing answerable questions on the path to the long-term goals...
January 12, 2017: Nucleic Acid Therapeutics
https://www.readbyqxmd.com/read/28080091/dynamical-systems-modeling-of-early-childhood-self-regulation
#8
Pamela M Cole, Jason J Bendezú, Nilam Ram, Sy-Miin Chow
Self-regulation can be conceptualized in terms of dynamic tension between highly probable reactions (prepotent responses) and use of strategies that can modulate those reactions (executive processes). This study investigated the value of a dynamical systems approach to the study of early childhood self-regulation. Specifically, ordinary differential equations (ODEs) were used to model the interactive influences of 115 36-month-olds' executive processes (strategy use) and prepotent responses to waiting to open a gift (desire for the gift and frustration about waiting to open it)...
January 12, 2017: Emotion
https://www.readbyqxmd.com/read/28079646/public-health-agency-accreditation-among-rural-local-health-departments-influencers-and-barriers
#9
Kate E Beatty, Paul Campbell Erwin, Ross C Brownson, Michael Meit, James Fey
OBJECTIVE: Health department accreditation is a crucial strategy for strengthening public health infrastructure. The purpose of this study was to investigate local health department (LHD) characteristics that are associated with accreditation-seeking behavior. This study sought to ascertain the effects of rurality on the likelihood of seeking accreditation through the Public Health Accreditation Board (PHAB). DESIGN: Cross-sectional study using secondary data from the 2013 National Association of County & City Health Officials (NACCHO) National Profile of Local Health Departments Study (Profile Study)...
January 11, 2017: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/28079471/pre-implant-modeling-of-depth-lead-placement-in-white-matter-for-maximizing-the-extent-of-cortical-activation-during-direct-neurostimulation-therapy
#10
Leopoldo Cendejas Zaragoza, Richard W Byrne, Marvin A Rossi
INTRODUCTION: The objective of this work was to predict preoperatively the maximum extent to which direct stimulation therapy can propagate through an epileptic circuit for stabilizing refractory focal-onset epilepsy. A pre-surgical workflow is presented which comprises a computationally intensive process for calculating the volume of cortical activation (VOCA) surrounding cylindrical depth contacts virtually placed in white matter. The process employs an activation function (AF) derived from cable modeling of an axon...
January 12, 2017: Neurological Research
https://www.readbyqxmd.com/read/28079256/characterization-of-chronic-hcv-infection-in-northwest-spain-impact-of-the-treatment-strategic-plan-of-the-spanish-national-health-service-on-hcv-cure
#11
Marta Grandal, Berta Pernas, Ana Mariño, Hortensia Álvarez, Andrés Tabernilla, Ángeles Castro-Iglesias, Álvaro Mena, Manuel Delgado, Sonia Pértega, Eva Poveda
The aim of the study was to characterize HCV infection in Northwest Spain and assess the impact of the Spanish Strategic Plan to cure HCV infection. Overall, 387 patients were included (60.9% HIV/HCV coinfected and 28.2% cirrhotic). Of these, 72.9% of patients that were recognized as priority for HCV treatment according to the Spanish Strategic Plan (≥F2, transplant or extrahepatic manifestations), initiated treatment during 2015. Globally, SVR12 was achieved in 96.5% of patients. The implementation of the Spanish Strategic Plan has been critical to advance in HCV cure, but 27...
January 12, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28079160/tempo-of-magma-degassing-and-the-genesis-of-porphyry-copper-deposits
#12
Cyril Chelle-Michou, Bertrand Rottier, Luca Caricchi, Guy Simpson
Porphyry deposits are copper-rich orebodies formed by precipitation of metal sulphides from hydrothermal fluids released from magmatic intrusions that cooled at depth within the Earth's crust. Finding new porphyry deposits is essential because they are our largest source of copper and they also contain other strategic metals including gold and molybdenum. However, the discovery of giant porphyry deposits is hindered by a lack of understanding of the factors governing their size. Here, we use thermal modelling and statistical simulations to quantify the tempo and the chemistry of fluids released from cooling magmatic systems...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28077864/knowledge-and-perceptions-of-polio-and-polio-immunization-in-polio-high-risk-areas-of-pakistan
#13
Muhammad Atif Habib, Sajid Bashir Soofi, Noshad Ali, Imtiaz Hussain, Farhana Tabassum, Zamir Suhag, Saeed Anwar, Imran Ahmed, Zulfiqar Ahmed Bhutta
Pakistan and Afghanistan remain the only countries where polio is endemic, and Pakistan reports the most cases in the world. Although the rate is lower than in previous years, the situation remains alarming. We conducted a mixed methods study in high-risk areas of Pakistan to identify knowledge, attitudes, and practices of target populations about polio vaccine and its eradication, and to estimate coverage of routine immunization and oral polio vaccine. We surveyed 10,685 households in Karachi, 2522 in Pishin, and 2005 in Bajaur...
January 11, 2017: Journal of Public Health Policy
https://www.readbyqxmd.com/read/28077151/multi-strategic-intervention-to-enhance-implementation-of-healthy-canteen-policy-a-randomised-controlled-trial
#14
Luke Wolfenden, Nicole Nathan, Lisa M Janssen, John Wiggers, Kathryn Reilly, Tessa Delaney, Christopher M Williams, Colin Bell, Rebecca Wyse, Rachel Sutherland, Libby Campbell, Christophe Lecathelinais, Chris Oldmeadow, Megan Freund, Sze Lin Yoong
BACKGROUND: Internationally, governments have implemented school-based nutrition policies to restrict the availability of unhealthy foods from sale. The aim of the trial was to assess the effectiveness of a multi-strategic intervention to increase implementation of a state-wide healthy canteen policy. The impact of the intervention on the energy, total fat, and sodium of children's canteen purchases and on schools' canteen revenue was also assessed. METHODS: Australian primary schools with a canteen were randomised to receive a 12-14-month, multi-strategic intervention or to a no intervention control group...
January 11, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/28076581/-social-determinants-of-health-and-convergence-in-health-agendas-of-regional-agencies-in-south-america
#15
Ximena Pamela Díaz-Bermúdez, Flavia Bueno, Luis Francisco Sánchez Otero, Annela Jean Auer
Objective: Characterize areas of interinstitutional cooperation and converging health agendas of the Pan American Health Organization/World Health Organization (PAHO/WHO), the Health Council of the Union of South American Nations (UNASUR), and the Amazon Cooperation Treaty Organization (ACTO) in South America based on social determinants of health. Methods: A qualitative study based on official documentary sources from the three organizations, using a comparative analysis of the health agendas of these agencies and the Rio Political Declaration on Social Determinants of Health (2011)...
November 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28076544/the-process-of-defining-the-hospital-care-profile-in-federal-hospitals-in-the-city-of-rio-de-janeiro-brazil
#16
Luciane Binsfeld, Francisco Javier Uribe Rivera, Elizabeth Artmann
This article analyzes the process of shaping the care profile of federal hospitals in the city of Rio de Janeiro. This is a qualitative, descriptive study that draws on semi-structured interviews with hospital administrators. Data analysis used the Collective Subject Discourse approach. Managers believe this process is the result of a set of emerging strategies, proposals and need for change, which result in adaptive reactions that hospitals develop with no coordination between them to resolve problems identified by professionals and managers...
January 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28076535/-femicides-in-ethnic-and-racialized-groups-syntheses
#17
Stela Nazareth Meneghel, Betty Ruth Lozano Lerma
The text entitled "Femicides in ethnic and racialized groups: syntheses" presents some of the discussions that took place during a seminar on this topic in Buenaventura. Buenaventura is the main Colombian port on the Pacific, a region rich in minerals and a corridor for the movement of goods, which makes it a strategic territory and a center for disputes. At the seminar, the social and political determinants of femicide were discussed, understanding it as a tactic of waging war against women. The forum provided a space for academic discussion, but also for grievances over inter-personal violence, the manifestation of feelings and the elaboration of pain and grief through the medium of art...
January 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28075349/transthyretin-a-transporter-protein-essential-for-proliferation-of-myoblast-in-the-myogenic-program
#18
Eun Ju Lee, Smritee Pokharel, Arif Tasleem Jan, Soyeon Huh, Richelle Galope, Jeong Ho Lim, Dong-Mok Lee, Sung Wook Choi, Sang-Soep Nahm, Yong-Woon Kim, So-Young Park, Inho Choi
Irregularities in the cellular uptake of thyroid hormones significantly affect muscle development and regeneration. Herein, we report indispensable role of transthyretin (TTR) in maintaining cellular thyroxine level. TTR was found to enhance recruitment of muscle satellite cells to the site of injury, thereby regulating muscle regeneration. Fluorescence-activated cell sorting (FACS) and immunofluorescence analysis of TTRwt (TTR wild type) and TTRkd (TTR knock-down) cells revealed that TTR controlled cell cycle progression by affecting the expression of Cyclin A2...
January 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28074970/synthesis-of-partially-dextran-coated-gold-nanoworms-and-anisotropic-structure-based-dual-strategic-cargo-conjugation-for-efficient-combinational-cancer-therapy
#19
Hongje Jang, Young-Kwan Kim, Dal-Hee Min
Partially dextran-coated gold nanoworms enabled the dual-strategic conjugation of peptides and genes. Combinational cancer therapy with photothermal conversion under near-infrared irradiation was shown to be a highly efficient cancer treatment.
January 11, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28073552/ciguatera-fish-poisoning-incidence-health-costs-and-risk-perception-on-moorea-island-society-archipelago-french-polynesia
#20
Ewen Morin, Clémence Gatti, Tamatoa Bambridge, Mireille Chinain
Ciguatera Fish Poisoning (CFP) is a non-bacterial seafood poisoning well characterized in the remote archipelagos of French Polynesia, yet poorly documented in the Society archipelago, most notably on Moorea, the second most populated island in French Polynesia, which counts a high proportion of fishermen fishing on a regular basis. To address this knowledge gap, a holistic study of the ciguatera issue was conducted on Moorea. First, ciguatera risk was analysed in terms of incidence rate, fish species most commonly involved and risk stratification in Moorea lagoon based on 2007-2013 epidemiological data...
December 2016: Harmful Algae
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