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https://www.readbyqxmd.com/read/28821010/willingness-to-pay-for-safe-drinking-water-a-contingent-valuation-study-in-jacksonville-fl
#1
Chiradip Chatterjee, Russell Triplett, Christopher K Johnson, Parvez Ahmed
A surprising number of U.S. cities have drinking water with unhealthy levels of chemicals and contaminants. The city of Jacksonville (Florida), the location for this study, owns the dubious distinction of being ranked among the worst major American cities in water quality according to water quality tests conducted between 2005 and 2009 by the Environmental Working Group (EWG). This report of toxic chemicals in the Jacksonville water supply generated considerable negative publicity and coincides with a frequent and common complaint among residents of foul-smelling water...
August 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28819447/targeting-activated-platelets-a-unique-and-potentially-universal-approach-for-cancer-imaging
#2
May Lin Yap, James D McFadyen, Xiaowei Wang, Nicholas A Zia, Jan David Hohmann, Melanie Ziegler, Yu Yao, Alan Pham, Matthew Harris, Paul S Donnelly, P Mark Hogarth, Geoffrey A Pietersz, Bock Lim, Karlheinz Peter
Rationale The early detection of primary tumours and metastatic disease is vital for successful therapy and is contingent upon highly specific molecular markers and sensitive, non-invasive imaging techniques. We hypothesized that the accumulation of activated platelets within tumours is a general phenomenon and thus represents a novel means for the molecular imaging of cancer. Here we investigate a unique single chain antibody (scFv), which specifically targets activated platelets, as a novel biotechnological tool for molecular imaging of cancer...
2017: Theranostics
https://www.readbyqxmd.com/read/28819131/impulsiveness-does-not-prevent-cooperation-from-emerging-but-reduces-its-occurrence-an-experiment-with-zebra-finches
#3
Camille Chia, Frédérique Dubois
Reciprocal altruism, the most probable mechanism for cooperation among unrelated individuals, can be modelled as a Prisoner's Dilemma. This game predicts that cooperation should evolve whenever the players, who expect to interact repeatedly, make choices contingent to their partner's behaviour. Experimental evidence, however, indicates that reciprocity is rare among animals. One reason for this would be that animals are very impulsive compared to humans. Several studies have reported that temporal discounting (that is, strong preferences for immediate benefits) has indeed a negative impact on the occurrence of cooperation...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819078/-associative-learning-between-orientation-and-color-in-early-visual-areas
#4
Kaoru Amano, Kazuhisa Shibata, Mitsuo Kawato, Yuka Sasaki, Takeo Watanabe
Associative learning is an essential neural phenomenon where the contingency of different items increases after training. Although associative learning has been found to occur in many brain regions, there is no clear evidence that associative learning of visual features occurs in early visual areas. Here, we developed an associative decoded functional magnetic resonance imaging (fMRI) neurofeedback (A-DecNef) to determine whether associative learning of color and orientation can be induced in early visual areas...
August 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28818832/b-cell-ox40l-supports-t-follicular-helper-cell-development-and-contributes-to-sle-pathogenesis
#5
Andrea Cortini, Ursula Ellinghaus, Talat H Malik, Deborah S Cunningham Grahman, Marina Botto, Timothy James Vyse
OBJECTIVES: TNFSF4 (encodes OX40L) is a susceptibility locus for systemic lupus erythematosus (SLE). Risk alleles increase TNFSF4 expression in cell lines, but the mechanism linking this effect to disease is unclear, and the OX40L-expressing cell types mediating the risk are not clearly established. Blockade of OX40L has been demonstrated to reduce disease severity in several models of autoimmunity, but not in SLE. We sought to investigate its potential therapeutic role in lupus. METHODS: We used a conditional knockout mouse system to investigate the function of OX40L on B and T lymphocytes in systemic autoimmunity...
August 17, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28818334/the-use-of-acupuncture-in-first-aid-of-burns-clinical-report
#6
A Loskotova, J Loskotova
Burns are a very painful skin injury, or injury of soft tissues. The development of post-traumatic stress disorder can develop, even in those with minor injuries (Ia-IIb degree). Development of problems is very rapid and intense since, according to developmental embryology, the skin and central nervous system (CNS) descend from the same germ layer-ectoderm. This clinical report presents the results acquired from the data of 1008 patients suffering from burns treated by the acupuncture (ACU)-from 1983-2015 in the surgery ward of the hospital in Vysoke Myto in the Czech Republic...
August 14, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28815750/title-learning-theories-and-tools-for-the-assessment-of-core-nursing-competencies-in-simulation-a-theoretical-review
#7
REVIEW
Patrick Lavoie, Cécile Michaud, Marilou Bélisle, Louise Boyer, Émilie Gosselin, Myrian Grondin, Caroline Larue, Stéphan Lavoie, Jacinthe Pepin
AIM: To identify the theories used to explain learning in simulation and to examine how these theories guided the assessment of learning outcomes related to core competencies in undergraduate nursing students. BACKGROUND: Nurse educators face the challenge of making explicit the outcomes of competency-based education, especially when competencies are conceptualized as holistic and context-dependent. DESIGN: Theoretical review. DATA SOURCES: Research papers (N=182) published between 1999 - 2015 describing simulation in nursing education...
August 16, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28813935/influence-of-artifacts-on-movement-intention-decoding-from-eeg-activity-in-severely-paralyzed-stroke-patients
#8
Eduardo Lopez-Larraz, Carlos Bibian, Niels Birbaumer, Ander Ramos-Murguialday
Brain-machine interfaces (BMI) can be used to control robotic and prosthetic devices for rehabilitation of motor disorders, such as stroke. The calibration of these BMI systems is of paramount importance in order to establish a precise contingent link between the brain activity related to movement intention and the peripheral feedback. However, electroencephalographic (EEG) activity, commonly used to build non-invasive BMIs, can be easily contaminated by artifacts of electrical or physiological origin. The way these interferences can affect the performance of movement intention decoders has not been deeply studied, especially when dealing with severely paralyzed patients, which often generate more artifacts by compensatory movements...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813934/a-hybrid-brain-machine-interface-based-on-eeg-and-emg-activity-for-the-motor-rehabilitation-of-stroke-patients
#9
Andrea Sarasola-Sanz, Nerea Irastorza-Landa, Eduardo Lopez-Larraz, Carlos Bibian, Florian Helmhold, Doris Broetz, Niels Birbaumer, Ander Ramos-Murguialday
Including supplementary information from the brain or other body parts in the control of brain-machine interfaces (BMIs) has been recently proposed and investigated. Such enriched interfaces are referred to as hybrid BMIs (hBMIs) and have been proven to be more robust and accurate than regular BMIs for assistive and rehabilitative applications. Electromyographic (EMG) activity is one of the most widely utilized biosignals in hBMIs, as it provides a quite direct measurement of the motion intention of the user...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813627/the-impact-on-resource-utilization-of-supportive-care-consults-on-patients-at-the-university-of-north-carolina-hospital-2010-2012
#10
Kristen Westfall, Dominic Moore, Matthew Meeneghan, Sandra Jarr, John Valgus, Stephen Bernard
BACKGROUND: Cancer patients have a high rate of emergency department (ED) visits and inpatient hospitalizations (IHs) that may be reduced by use of outpatient palliative care services. OBJECTIVE: To determine whether the outpatient adult palliative care service at the University of North Carolina (UNC) Hospital, begun in 2008, reduced the frequency of ED visits and IH during a two-year period. DESIGN: The charts of patients with lung cancer or head and neck cancer seen by the supportive care service from 2010 to 2011, and of a contemporaneous set of potential consults that were not seen, were retrospectively reviewed to determine the impact of this care delivery model...
August 16, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28813248/early-stress-parental-motivation-and-reproductive-decision-making-applications-of-life-history-theory-to-parental-behavior
#11
REVIEW
Tomás Cabeza de Baca, Bruce J Ellis
This review focuses on the impact of parental behavior on child development, as interpreted from an evolutionary-developmental perspective. We employ psychosocial acceleration theory to reinterpret the effects of variation in parental investment and involvement on child development, arguing that these effects have been structured by natural selection to match the developing child to current and expected future environments. Over time, an individual's development, physiology, and behavior are organized in a coordinated manner (as instantiated in 'life history strategies') that facilitates survival and reproductive success under different conditions...
June 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28812741/persistent-tropical-foraging-in-the-highlands-of-terminal-pleistocene-holocene-new-guinea
#12
Patrick Roberts, Dylan Gaffney, Julia Lee-Thorp, Glenn Summerhayes
The terminal Pleistocene/Holocene boundary (approximately 12-8 thousand years ago) represented a major ecological threshold for humans, both as a significant climate transition and due to the emergence of agriculture around this time. In the highlands of New Guinea, climatic and environmental changes across this period have been highlighted as potential drivers of one of the earliest domestication processes in the world. We present a terminal Pleistocene/Holocene palaeoenvironmental record (12-0 thousand years ago ) of carbon and oxygen isotopes in small mammal tooth enamel from the site of Kiowa...
February 6, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28811595/delayed-effects-of-transcriptional-responses-in-mycobacterium-tuberculosis-exposed-to-nitric-oxide-suggest-other-mechanisms-involved-in-survival
#13
Teresa Cortes, Olga T Schubert, Amir Banaei-Esfahani, Ben C Collins, Ruedi Aebersold, Douglas B Young
Mycobacterium tuberculosis has succeeded as a human pathogen for tens of thousands of years thanks to its ability to resist and adapt to the adverse conditions it encounters upon infection. Bacterial adaptation to stress is commonly viewed in the context of transcriptional regulation, with the implicit expectation that an initial transcriptomic response is tightly coupled to an ensuing proteomic response. However, after challenging M. tuberculosis with nitric oxide we found that the rapid transcriptional responses, detectable within minutes of nitric oxide exposure, typically took several hours to manifest on the protein level...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811182/implementing-sustainable-data-collection-for-a-cardiac-outcomes-registry-in-an-australian-public-hospital
#14
Nicholas Cox, Angela Brennan, Diem Dinh, Rita Brien, Kath Cowie, Dion Stub, Christopher M Reid, Jeffrey Lefkovits
BACKGROUND: Clinical outcome registries are an increasingly vital component of ensuring quality and safety of patient care. However, Australian hospitals rarely have additional resources or the capacity to fund the additional staff time to complete the task of data collection and entry. At the same time, registry funding models do not support staff for the collection of data at the site but are directed towards the central registry tasks of data reporting, managing and quality monitoring...
March 12, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28811180/development-of-an-opioid-self-administration-assay-to-study-drug-seeking-in-zebrafish
#15
Gabriel D Bossé, Randall T Peterson
The zebrafish (Danio rerio) has become an excellent tool to study mental health disorders, due to its physiological and genetic similarity to humans, ease of genetic manipulation, and feasibility of small molecule screening. Zebrafish have been shown to exhibit characteristics of addiction to drugs of abuse in non-contingent assays, including conditioned place preference, but contingent assays have been limited to a single assay for alcohol consumption. Using inexpensive electronic, mechanical, and optical components, we developed an automated opioid self-administration assay for zebrafish, enabling us to measure drug seeking and gain insight into the underlying biological pathways...
August 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28810817/struggles-over-antibiotics-physicians-stance-taking-toward-a-nonconforming-policy-in-an-intensive-care-unit
#16
Letizia Caronia, Marzia Saglietti
One of the most pressing contemporary health care challenges consists in rethinking antibiotic use to contrast the increase of multidrug resistant bacteria. Drawing on an ethnographic fieldwork in an Intensive Care Unit that adopts a nonconforming policy of antibiotic stewardship, this article analyzes doctor-doctor interaction concerning infectious disease diagnosis and antibiotic treatment. By analyzing examples of medical decision-making from a corpus of video-recorded morning briefings, we focus on physicians' stance-taking toward the ward's nonconforming policy and illustrate how it is contingently situated along a continuum from strong commitment to overt resistance...
August 1, 2017: Qualitative Health Research
https://www.readbyqxmd.com/read/28810421/predictors-of-perceived-vulnerability-to-cancer-diagnoses-among-adult-black-males
#17
Darlingtina K Atakere, Tamara A Baker
As much as the significance of age, education, masculinity, illness attitude, and self-esteem to preventive health have been reported, much less is known on how these factors predict perceived vulnerability to cancer diagnosis. This study aimed to determine the association between identified demographic, health, and social factors and perceived vulnerability to cancer diagnosis among adult Black males. Data reveal that incidences of cancer among Black men are contingent upon a myriad of psychological, social, and behavioral factors that are not exclusive but rather coexisting determinants of health...
February 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28805988/are-behaviors-at-one-alternative-in-concurrent-schedules-independent-of-contingencies-at-the-other-alternative
#18
James S MacDonall
Some have reported changing the schedule at one alternative of a concurrent schedule changed responding at the other alternative (Catania, 1969), which seems odd because no contingencies were changed there. When concurrent schedules are programmed using two schedules, one associated with each alternative that operate continuously, changing the schedule at one alternative also changes the switch schedule at the other alternative. Thus, changes in responding at the constant alternative could be due to the change in the switch schedule...
August 14, 2017: Journal of the Experimental Analysis of Behavior
https://www.readbyqxmd.com/read/28805985/willingness-to-pay-for-antiretroviral-drugs-among-hiv-and-aids-clients-in-south-east-nigeria
#19
Chinyere Mbachu, Chijioke Okoli, Obinna Onwujekwe, Fabian Enabulele
BACKGROUND: The current trend of withdrawal of donor support for HIV/AIDS treatment in Nigeria may require that the cost of antiretroviral drugs be borne in part by infected people and their families. OBJECTIVE: This study was conducted to determine the economic value for free antiretroviral drugs (ARVs) expressed by clients receiving treatment for HIV/AIDS in a tertiary hospital. STUDY METHOD: The contingent valuation method was used to elicit the values attached to free ARVs from people living with HIV/AIDS that were receiving care in a public tertiary hospital in south-east Nigeria...
August 14, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28805432/strain-dependent-sex-differences-in-a-long-term-forced-swim-paradigm
#20
José Colom-Lapetina, Sabrina L Begley, Megan E Johnson, Kristina J Bean, Whitney N Kuwamoto, Rebecca M Shansky
Women are twice as likely as men to suffer from trauma- and stressor-related disorders. The development of improved therapeutic interventions is contingent upon a more complete grasp of both the neural and behavioral dynamics of the stress response in females. The rodent forced swim test (FST) is a valuable animal model for exploring the neurobiological mechanisms responsible for selection of active and passive responses to inescapable stressors, but it is often neglected in 2-day FST studies is the dissociation of innate (Day 1) versus learned (Day 2) coping responses...
August 14, 2017: Behavioral Neuroscience
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