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Roy Adaptation Model

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https://www.readbyqxmd.com/read/29774954/adapting-population-models-for-application-in-pesticide-risk-assessment-a-case-study-with-mead-s-milkweed
#1
Amelie Schmolke, Colleen Roy, Richard Brain, Valery Forbes
Population models can facilitate assessment of potential impacts of pesticides on populations or species rather than individuals and have been identified as important tools for pesticide risk assessment of non-target species including those listed under the Endangered Species Act (ESA). Few examples of population models developed for this specific purpose are available, however, population models are commonly used in conservation science as a tool to project the viability of populations and the long-term outcomes of management actions...
May 18, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29735284/music-intervention-to-prevent-delirium-among-older-patients-admitted-to-a-trauma-intensive-care-unit-and-a-trauma-orthopaedic-unit
#2
Kari Johnson, Julie Fleury, Darya McClain
PURPOSE: Evaluate music listening for delirium prevention among patients admitted to a Trauma Intensive Care and Trauma Orthopaedic Unit. The Roy Adaptation Model provided the theoretical framework focusing on modifying contextual stimuli. METHODS: Randomised controlled trial, 40 patients aged 55 and older. INTERVENTION: Participants randomly assigned to receive music listening or usual care for 60 minutes, twice a day, over three days. Pre-recorded self-selected music using an iPod and headsets, with slow tempo, low pitch and simple repetitive rhythms to alter physiologic responses...
May 4, 2018: Intensive & Critical Care Nursing: the Official Journal of the British Association of Critical Care Nurses
https://www.readbyqxmd.com/read/29685990/the-two-component-signaling-system-vrasr-ss-is-critical-for-multidrug-resistance-and-full-virulence-in-streptococcus-suis-serotype-2
#3
Xiaojun Zhong, Yue Zhang, Yinchu Zhu, Wenyang Dong, Jiale Ma, Zihao Pan, Shipra Roy, Chengping Lu, Huochun Yao
Streptococcus suis has received increasing attention for its involvement in severe human infections worldwide, as well as in multidrug resistance. Two-component signaling systems (TCSSs) play important roles in bacterial adaptation to various environmental stimuli. In this study, we identified a novel TCSS encoded in S. suis serotype 2 (SS2), designated as VraSRSS , which is involved in bacterial pathogenicity and susceptibility to antimicrobials. Our data demonstrated that the yvqFSS gene located upstream of vraSRSS shared the same promoter with the TCSS genes, which was directly regulated by VraSRSS as showed in electrophoretic mobility shift assays...
April 23, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29685523/impact-of-model-based-iterative-reconstruction-mbir-on-image-quality-in-cerebral-ct-angiography-before-and-after-intracranial-aneurysm-treatment
#4
Steven David Hajdu, Roy Thomas Daniel, Reto Antoine Meuli, Jean-Baptiste Zerlauth, Vincent Dunet
PURPOSE: To subjectively and objectively assess the impact of model-based iterative reconstruction(MBIR) on image quality in cerebral computed tomography angiography compared to adaptive statistical iterative reconstruction (ASIR). METHODS: 107 patients (mean age: 58 ± 14 years) were included prior to (n = 38) and after (n = 69) intracranial aneurysm treatment. Images were acquired using a routine protocol and reconstructed with MBIR and ASIR. Image noise, signal-to-noise (SNR) and contrast-to-noise (CNR) ratios in the internal carotid and middle cerebral arteries were compared between MBIR and ASIR using the Wilcoxon signed-rank test...
May 2018: European Journal of Radiology
https://www.readbyqxmd.com/read/29616989/a-method-for-visualization-of-the-variation-of-noncovalent-interactions-in-crystal-structures-of-conformational-polymorphs
#5
Anton V Savchenkov, Viktor N Serezhkin
A method for clear visualization of the variation of noncovalent interactions in crystal structures of conformational polymorphs is developed and introduced. The first stage of the method establishes the characteristics of all, without exception, noncovalent interactions in all crystal structures under discussion. This is possible using a strict and objective method of construction of Voronoi-Dirichlet polyhedra within the framework of the stereoatomic model of crystal structures. The second stage of the method then involves plotting of diagrams, showing the relation between parameters characterizing interatomic interactions and chosen geometric parameters of molecules...
April 1, 2018: Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials
https://www.readbyqxmd.com/read/29497781/from-gene-networks-to-drugs-systems-pharmacology-approaches-for-aud
#6
REVIEW
Laura B Ferguson, R Adron Harris, Roy Dayne Mayfield
The alcohol research field has amassed an impressive number of gene expression datasets spanning key brain areas for addiction, species (humans as well as multiple animal models), and stages in the addiction cycle (binge/intoxication, withdrawal/negative effect, and preoccupation/anticipation). These data have improved our understanding of the molecular adaptations that eventually lead to dysregulation of brain function and the chronic, relapsing disorder of addiction. Identification of new medications to treat alcohol use disorder (AUD) will likely benefit from the integration of genetic, genomic, and behavioral information included in these important datasets...
June 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29435133/elucidating-mechanisms-of-sunitinib-resistance-in-renal-cancer-an-integrated-pathological-molecular-analysis
#7
Henriett Butz, Qiang Ding, Roy Nofech-Mozes, Zsuzsanna Lichner, Heyu Ni, George M Yousef
Upon sunitinib treatment of metastatic renal cell carcinoma patients eventually acquire resistance. Our aim was to investigate microRNAs behind sunitinib resistance. We developed an in vivo xenograft and an in vitro model and compared morphological, immunhistochemical, transcriptomical and miRNome data changes during sunitinib response and resistance by performing next-generation mRNA and miRNA sequencing. Complex bioinformatics (pathway, BioFunction and network) analysis were performed. Results were validated by in vitro functional assays...
January 12, 2018: Oncotarget
https://www.readbyqxmd.com/read/29428069/enhancement-and-restoration-of-non-uniform-illuminated-fundus-image-of-retina-obtained-through-thin-layer-of-cataract
#8
Anirban Mitra, Sudipta Roy, Somais Roy, Sanjit Kumar Setua
BACKGROUND AND OBJECTIVES: Retinal fundus images are extensively used in manually or without human intervention to identify and analyze various diseases. Due to the comprehensive imaging arrangement, there is a large radiance, reflectance and contrast inconsistency within and across images. METHOD: A novel method is proposed based on the cataract physical model to reduce the generated blurriness of the fundus image at the time of image acquisition through the thin layer of cataract by the fundus camera...
March 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29388996/effect-of-point-mutations-on-the-ultrafast-photo-isomerization-of-anabaena-sensory-rhodopsin
#9
D Agathangelou, Y Orozco-Gonzalez, M Del Carmen Marín, P P Roy, J Brazard, H Kandori, K-H Jung, J Léonard, T Buckup, N Ferré, M Olivucci, S Haacke
Anabaena sensory rhodopsin (ASR) is a particular microbial retinal protein for which light-adaptation leads to the ability to bind both the all-trans, 15-anti (AT) and the 13-cis, 15-syn (13C) isomers of the protonated Schiff base of retinal (PSBR). In the context of obtaining insight into the mechanisms by which retinal proteins catalyse the PSBR photo-isomerization reaction, ASR is a model system allowing to study, within the same protein, the protein-PSBR interactions for two different PSBR conformers at the same time...
April 17, 2018: Faraday Discussions
https://www.readbyqxmd.com/read/29290475/assessing-distributions-of-two-invasive-species-of-contrasting-habits-in-future-climate
#10
Rajendra Mohan Panda, Mukunda Dev Behera, Partha Sarathi Roy
Understanding the impact of climate change on species invasion is crucial for sustainable biodiversity conservation. Through this study, we try to answer how species differing in phenological cycles, specifically Cassia tora and Lantana camara, differ in the manner in which they invade new regions in India in the future climate. Since both species occupy identical niches, exploring their invasive potential in different climate change scenarios will offer critical insights into invasion and inform ecosystem management...
May 1, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29277944/commitment-and-a-sense-of-humanity-for-the-adaptation-of-patients-during-hospital-care
#11
Ligia Patricia Arroyo-Marlés, Maryory Guevara-Lozano, Beatriz Pérez-Giraldo, Beatriz Sánchez-Herrera
OBJECTIVE: To develop a nursing practice model for the Clinic of the University of the La Sabana that supports the adaptive process of patients during and after their hospital experience. METHODOLOGY: This is a descriptive, methodological study implemented in different phases: (1) characterization of the context, (2) identification of the need for a nursing practice model for strengthening care, (3) literature review, (4) description of the model, and (5) validation...
December 26, 2017: Journal of Nursing Management
https://www.readbyqxmd.com/read/29247417/technology-acceptance-perception-for-promotion-of-sustainable-consumption
#12
Aindrila Biswas, Mousumi Roy
Economic growth in the past decades has resulted in change in consumption pattern and emergence of tech-savvy generation with unprecedented increase in the usage of social network technology. In this paper, the technology acceptance value gap adapted from the technology acceptance model has been applied as a tool supporting social network technology usage and subsequent promotion of sustainable consumption. The data generated through the use of structured questionnaires have been analyzed using structural equation modeling...
March 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29235954/persistent-pain-in-older-adults-roy-s-adaptation-model
#13
Nina M Flanagan
Persistent pain in older adults is difficult to assess and therefore address consistently. The experience of pain is individual, and therefore a comprehensive way to assess pain is required. Roy's adaptation model offers a systematic way of evaluating pain in the older adult. In this column, the author shares some statistics about persistent pain and a case study using Roy's model as a system for assessment.
January 2018: Nursing Science Quarterly
https://www.readbyqxmd.com/read/29152579/-streptococcus-pneumoniae-tigr4-phase-locked-opacity-variants-differ-in-virulence-phenotypes
#14
Melissa B Oliver, Ankita Basu Roy, Ranjit Kumar, Elliot J Lefkowitz, W Edward Swords
Streptococcus pneumoniae (pneumococcus) is a leading human pathogen that can cause serious localized and invasive diseases. Pneumococci can undergo a spontaneous and reversible phase variation that is reflected in colony opacity and which allows the population to adapt to different host environments. Generally, transparent variants are adapted for nasopharyngeal colonization, whereas opaque variants are associated with invasive disease. In recent work, colony phase variation was shown to occur by means of recombination events to generate multiple alleles of the hsdS targeting domain of a DNA methylase complex, which mediates epigenetic changes in gene expression...
November 2017: MSphere
https://www.readbyqxmd.com/read/29113112/g2-m-phase-checkpoint-adaptation-and-micronuclei-formation-as-mechanisms-that-contribute-to-genomic-instability-in-human-cells
#15
REVIEW
Danî Kalsbeek, Roy M Golsteyn
One of the most common characteristics of cancer cells is genomic instability. Recent research has revealed that G2/M-phase checkpoint adaptation-entering mitosis with damaged DNA-contributes to genomic changes in experimental models. When cancer cells are treated with pharmacological concentrations of genotoxic agents, they undergo checkpoint adaptation; however, a small number of cells are able to survive and accumulate micronuclei. These micronuclei harbour damaged DNA, and are able to replicate and reincorporate their DNA into the main nucleus...
November 6, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29047773/transient-dynamic-distributed-strain-sensing-using-photonic-crystal-waveguides
#16
Hosangadi Prutvi Sagar, Vignesh Mahalingam, Debiprosad Roy Mahapatra, Gopalkrishna Hegde, Sathyanarayana Hanagud, Mohammad Rizwanur Rahman
This paper presents a new type of one-dimensional photonic crystal (PC) waveguide sensor and a technique for prediction of transient strain response accurately. The PC waveguide is integrated on a silicon substrate. We investigate the effect of non-uniform strain localization on the optical signal and use that information to capture the transient strain. Wavelength shift due to distributed strain field is modeled by incorporating the mechanically deformed geometry and photo-acoustic coupling through Pockels effect in a finite element formulation...
October 1, 2017: Applied Optics
https://www.readbyqxmd.com/read/29036208/transitioning-couple-s-voluntary-hiv-counseling-and-testing-cvct-from-stand-alone-weekend-services-into-routine-antenatal-and-vct-services-in-government-clinics-in-zambia-s-two-largest-cities
#17
Mubiana Inambao, William Kilembe, Lauren A Canary, Nancy L Czaicki, Matilda Kakungu-Simpungwe, Roy Chavuma, Kristin M Wall, Amanda Tichacek, Julie Pulerwitz, Ibou Thior, Elwyn Chomba, Susan A Allen
INTRODUCTION: Most HIV infections in Africa are acquired by married/cohabiting adults and WHO recommends couple's voluntary HIV counseling and testing (CVCT) for prevention. The handover from NGO-sponsored weekend CVCT to government-sponsored services in routine weekday antenatal care (ANC) and individual voluntary testing and counseling (VCT) services in Zambia's two largest cities from 2009-2015 is described. METHODS: Government clinic counselors were trained to provide CVCT, and along with community health workers they promoted CVCT services in their clinic and surrounding areas...
2017: PloS One
https://www.readbyqxmd.com/read/28969831/development-of-a-model-forecasting-dermanyssus-gallinae-s-population-dynamics-for-advancing-integrated-pest-management-in-laying-hen-facilities
#18
Monique F Mul, Johan W van Riel, Lise Roy, Johan Zoons, Geert André, David R George, Bastiaan G Meerburg, Marcel Dicke, Simon van Mourik, Peter W G Groot Koerkamp
The poultry red mite, Dermanyssus gallinae, is the most significant pest of egg laying hens in many parts of the world. Control of D. gallinae could be greatly improved with advanced Integrated Pest Management (IPM) for D. gallinae in laying hen facilities. The development of a model forecasting the pests' population dynamics in laying hen facilities without and post-treatment will contribute to this advanced IPM and could consequently improve implementation of IPM by farmers. The current work describes the development and demonstration of a model which can follow and forecast the population dynamics of D...
October 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28956415/-patients%C3%A2-adaptation-strategies-for-colostomates-with-a-self-image-disturbance-after-a-month-of-surgery
#19
Foued Trabelsi, Saber Ben Abeljalil, Fethi Derbal, Iheb Bougmiza
BACKGROUND: the establishment of a colostomy is a difficult time for the patient since it undergoes physical, psychological and social changes resulting in the modification of the body self-image. Purpose and Framework : this study aims to identify adaptation strategies for colostomates who have a disturbance of self-image after a month of surgery depending on the Roy Adaptation Model. METHODS: a descriptive quantitative study was realized with a sample of 70 patients with colostomy in the department of surgery Farhat Hached and Sahloul Hospital in Sousse...
June 2017: Recherche en Soins Infirmiers
https://www.readbyqxmd.com/read/28944641/-unknown-title
#20
(no author information available yet)
Background : the establishment of a colostomy is a difficult time for the patient since it undergoes physical, psychological and social changes resulting in the modification of the body self-image. Purpose and Framework : this study aims to identify adaptation strategies for colostomates who have a disturbance of self-image after a month of surgery depending on the Roy Adaptation Model. Methods : a descriptive quantitative study was realized with a sample of 70 patients with colostomy in the department of surgery Farhat Hached and Sahloul Hospital in Sousse...
August 17, 2017: Recherche en Soins Infirmiers
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