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Applied behaviour analysis

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https://www.readbyqxmd.com/read/28812999/synthesis-and-evaluation-of-a-sodium-alginate-4-aminosalicylic-acid-based-microporous-hydrogel-for-potential-viscosupplementation-for-joint-injuries-and-arthritis-induced-conditions
#1
Dharmesh R Chejara, Mostafa Mabrouk, Pradeep Kumar, Yahya E Choonara, Pierre P D Kondiah, Ravindra V Badhe, Lisa C du Toit, Divya Bijukumar, Viness Pillay
A microporous hydrogel was developed using sodium alginate (alg) and 4-aminosalicylic acid (4-ASA). The synthesized hydrogel was characterized using various analytical techniques such as Fourier transform infrared spectroscopy (FTIR), Carbon-13 nuclear magnetic resonance ((13)C-NMR), X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and differential scanning calorimetry (DSC). Additonal carboxyl and hydroxyl functional groups of 4-ASA provided significant lubrication and stress-triggered sol-gel transition to the conjugated hydrogel...
August 16, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28808479/a-multiscale-model-for-the-world-s-first-parasitic-disease-targeted-for-eradication-guinea-worm-disease
#2
Rendani Netshikweta, Winston Garira
Guinea worm disease (GWD) is both a neglected tropical disease and an environmentally driven infectious disease. Environmentally driven infectious diseases remain one of the biggest health threats for human welfare in developing countries and the threat is increased by the looming danger of climate change. In this paper we present a multiscale model of GWD that integrates the within-host scale and the between-host scale. The model is used to concurrently examine the interactions between the three organisms that are implicated in natural cases of GWD transmission, the copepod vector, the human host, and the protozoan worm parasite (Dracunculus medinensis), and identify their epidemiological roles...
2017: Computational and Mathematical Methods in Medicine
https://www.readbyqxmd.com/read/28805188/managing-faecal-incontinence-in-people-with-advanced-dementia-resident-in-care-homes-finch-study-a-realist-synthesis-of-the-evidence
#3
Claire Goodman, Christine Norton, Marina Buswell, Bridget Russell, Danielle Harari, Rowan Harwood, Brenda Roe, Jo Rycroft-Malone, Vari M Drennan, Mandy Fader, Michelle Maden, Karen Cummings, Frances Bunn
BACKGROUND: Eighty per cent of care home residents in the UK are living with dementia. The prevalence of faecal incontinence (FI) in care homes is estimated to range from 30% to 50%. There is limited evidence of what is effective in the reduction and management of FI in care homes. OBJECTIVE: To provide a theory-driven explanation of the effectiveness of programmes that aim to improve FI in people with advanced dementia in care homes. DESIGN: A realist synthesis...
August 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28805150/diffracting-addicting-binaries-an-analysis-of-personal-accounts-of-alcohol-and-other-drug-addiction
#4
Kiran Pienaar, David Moore, Suzanne Fraser, Renata Kokanovic, Carla Treloar, Ella Dilkes-Frayne
Associated with social and individual harm, loss of control and destructive behaviour, addiction is widely considered to be a major social problem. Most models of addiction, including the influential disease model, rely on the volition/compulsion binary, conceptualising addiction as a disorder of compulsion. In order to interrogate this prevailing view, this article draws on qualitative data from interviews with people who describe themselves as having an alcohol or other drug 'addiction', 'dependence' or 'habit'...
September 2017: Health (London)
https://www.readbyqxmd.com/read/28800290/factor-structure-and-psychometric-properties-of-the-italian-version-of-the-homosexuality-scale-of-the-trueblood-sexual-attitudes-questionnaire
#5
Emanuele Fino, Marta Giuliani, Luca Pierleoni, Gaetano Gambino, Valentina Cosmi, Chiara Simonelli
The aim of the present study was to translate the Homosexuality scale of the Trueblood Sexual Attitudes Questionnaire in Italian language, and assess its factor structure and psychometric properties in Italian psychology students. The questionnaire was originally developed and validated in U.S. college students, and later in Turkish social work students, showing high internal consistency. It measures attitudes towards several sexual practices and behaviours, regarding self and others. Particularly, the Homosexuality scale measures attitudes towards different sexual and romantic practices with people of the same sex...
August 11, 2017: Journal of Homosexuality
https://www.readbyqxmd.com/read/28800097/why-do-people-like-loud-sound-a-qualitative-study
#6
David Welch, Guy Fremaux
Many people choose to expose themselves to potentially dangerous sounds such as loud music, either via speakers, personal audio systems, or at clubs. The Conditioning, Adaptation and Acculturation to Loud Music (CAALM) Model has proposed a theoretical basis for this behaviour. To compare the model to data, we interviewed a group of people who were either regular nightclub-goers or who controlled the sound levels in nightclubs (bar managers, musicians, DJs, and sound engineers) about loud sound. Results showed four main themes relating to the enjoyment of loud sound: arousal/excitement, facilitation of socialisation, masking of both external sound and unwanted thoughts, and an emphasis and enhancement of personal identity...
August 11, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28800094/socioeconomic-inequalities-in-visits-to-the-dentist-to-receive-professionally-applied-topical-fluoride-in-a-developing-country
#7
Miriam Del Socorro Herrera, Carlo Eduardo Medina-Solís, América Patricia Pontigo-Loyola, Rubén de la Rosa-Santillana, Leticia Ávila-Burgos, Rogelio José Scougall-Vilchis, Sonia Márquez-Rodríguez, Mirna Minaya-Sánchez, Alejandro José Casanova-Rosado
OBJECTIVE: To determine the frequency and associated factors of visits to the dentist in the last year by Nicaraguan schoolchildren to receive professionally applied topical fluoride (PATF). MATERIAL AND METHODS: A cross-sectional study was designed in children from public schools in the city of León, Nicaragua, were included. A series of socioeconomic, sociodemographic, and behavioural variables were collected through a questionnaire. The dependent variable was the visit to the dentist to receive professionally applied topical fluoride in the last year, which was dichotomised as (0) Did not receive PATF and (1) Yes received PATF...
August 11, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28792517/comparison-of-alternative-approaches-for-analysing-multi-level-rna-seq-data
#8
Irina Mohorianu, Amanda Bretman, Damian T Smith, Emily K Fowler, Tamas Dalmay, Tracey Chapman
RNA sequencing (RNA-seq) is widely used for RNA quantification in the environmental, biological and medical sciences. It enables the description of genome-wide patterns of expression and the identification of regulatory interactions and networks. The aim of RNA-seq data analyses is to achieve rigorous quantification of genes/transcripts to allow a reliable prediction of differential expression (DE), despite variation in levels of noise and inherent biases in sequencing data. This can be especially challenging for datasets in which gene expression differences are subtle, as in the behavioural transcriptomics test dataset from D...
2017: PloS One
https://www.readbyqxmd.com/read/28791522/pre-processing-and-transfer-entropy-measures-in-motor-neurons-controlling-limb-movements
#9
Fernando P Santos, Carlos D Maciel, Philip L Newland
Directed information transfer measures are increasingly being employed in modeling neural system behavior due to their model-free approach, applicability to nonlinear and stochastic signals, and the potential to integrate repetitions of an experiment. Intracellular physiological recordings of graded synaptic potentials provide a number of additional challenges compared to spike signals due to non-stationary behaviour generated through extrinsic processes. We therefore propose a method to overcome this difficulty by using a preprocessing step based on Singular Spectrum Analysis (SSA) to remove nonlinear trends and discontinuities...
August 9, 2017: Journal of Computational Neuroscience
https://www.readbyqxmd.com/read/28789565/qspr-studies-on-the-photoinduced-fluorescence-behaviour-of-pharmaceuticals-and-pesticides
#10
D López-Malo, J I Bueso-Bordils, M J Duart, P A Alemán-López, R V Martín-Algarra, G M Antón-Fos, L Lahuerta-Zamora, J Martínez-Calatayud
Fluorimetric analysis is still a growing line of research in the determination of a wide range of organic compounds, including pharmaceuticals and pesticides, which makes necessary the development of new strategies aimed at improving the performance of fluorescence determinations as well as the sensitivity and, especially, the selectivity of the newly developed analytical methods. In this paper are presented applications of a useful and growing tool suitable for fostering and improving research in the analytical field...
July 2017: SAR and QSAR in Environmental Research
https://www.readbyqxmd.com/read/28780534/applying-the-health-action-process-approach-to-bicycle-helmet-use-and-evaluating-a-social-marketing-campaign
#11
Florian M Karl, Jennifer Smith, Shannon Piedt, Kate Turcotte, Ian Pike
BACKGROUND: Bicycle injuries are of concern in Canada. Since helmet use was mandated in 1996 in the province of British Columbia, Canada, use has increased and head injuries have decreased. Despite the law, many cyclists do not wear a helmet. Health action process approach (HAPA) model explains intention and behaviour with self-efficacy, risk perception, outcome expectancies and planning constructs. The present study examines the impact of a social marketing campaign on HAPA constructs in the context of bicycle helmet use...
August 5, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/28774682/methods-for-molecular-imaging-of-brain-tumours-in-a-hybrid-mr-pet-context-water-content-t2%C3%A2-diffusion-indices-and-fet-pet
#12
A M Oros-Peusquens, R Loução, M Zimmermann, K-J Langen, N J Shah
The aim of this study is to present and evaluate a multiparametric and multi-modality imaging protocol applied to brain tumours and investigate correlations between these different imaging measures (R1.1). In particular, we describe a method for rapid, non-invasive, quantitative imaging of water content of brain tissue, based on a single multiple-echo gradient-echo (mGRE) acquisition. We include in the processing a method for noise reduction of the multi-contrast data based on Principal Component Analysis (PCA)...
July 31, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28771009/model-based-analysis-of-biopharmaceutical-experiments-to-improve-mechanistic-oral-absorption-modelling-an-integrated-in-vitro-in-vivo-extrapolation-iviv_e-perspective-using-ketoconazole-as-a-model-drug
#13
Shriram M Pathak, Aaron Ruff, Edmund Kostewicz, Nikunjkumar Patel, David B Turner, Masoud Jamei
Mechanistic modelling of in vitro data generated from metabolic enzyme systems (viz. liver microsomes, hepatocytes, rCYP enzymes etc.) facilitates in vitro-in vivo extrapolation (IVIV_E) of metabolic clearance which plays a key role in the successful prediction of clearance in vivo within Physiologically-Based Pharmacokinetic (PBPK) modelling. A similar concept can be applied to solubility and dissolution experiments whereby mechanistic modelling can be used to estimate intrinsic parameters required for mechanistic oral absorption simulation in vivo...
August 3, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28768604/cost-effectiveness-of-screening-for-hiv-in-primary-care-a-health-economics-modelling-analysis
#14
Rebecca F Baggaley, Michael A Irvine, Werner Leber, Valentina Cambiano, Jose Figueroa, Heather McMullen, Jane Anderson, Andreia C Santos, Fern Terris-Prestholt, Alec Miners, T Déirdre Hollingsworth, Chris J Griffiths
BACKGROUND: Early HIV diagnosis reduces morbidity, mortality, the probability of onward transmission, and their associated costs, but might increase cost because of earlier initiation of antiretroviral treatment (ART). We investigated this trade-off by estimating the cost-effectiveness of HIV screening in primary care. METHODS: We modelled the effect of the four-times higher diagnosis rate observed in the intervention arm of the RHIVA2 randomised controlled trial done in Hackney, London (UK), a borough with high HIV prevalence (≥0·2% adult prevalence)...
July 28, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28768148/over-two-decades-of-plasmodium-knowlesi-infections-in-sarawak-trend-and-forecast
#15
Choo Huck Ooi, Mohamad Adam Bujang, Tg Mohd Ikhwan Tg Abu Bakar Sidik, Romano Ngui, Yvonne Ai-Lian Lim
Malaria is still of great public health concern, especially in Malaysian Borneo. The aim of this study was to determine the trends of P. knowlesi infection in Sarawak, Malaysia and to forecast the incidence of P. knowlesi until the year 2040. Data on P. knowlesi malaria cases from 1992 to the year 2014 were obtained from the Sarawak Health Department, Malaysia. ARIMA model was applied to forecast the future incidence of P. knowlesi infection. The data for the whole of Sarawak and subsequently the selected six districts which have high incidence rates of P...
July 30, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28764794/exploration-of-knowledge-and-understanding-in-patients-with-primary-adrenal-insufficiency-a-mixed-methods-study
#16
L M Shepherd, A A Tahrani, C Inman, W Arlt, D M Carrick-Sen
BACKGROUND: Primary adrenal insufficiency (PAI) is a rare and severe condition requiring lifelong steroid replacement. During acute illness or stressful events, it is important to appropriately adjust glucocorticoid dose; failure to do so may lead to an adrenal crisis. The aim of the study was to explore patients PAI knowledge and understanding of the condition, steroid replacement adjustment during acute illness or stress and provided education. METHODS: Ten adult patients with PAI were purposefully recruited from two hospitals in a tertiary NHS Trust in England, UK...
August 1, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28764480/high-frequency-ultrasound-imaging-and-simulations-of-sea-urchin-oocytes
#17
Eric M Strohm, Lauren A Wirtzfeld, Gregory J Czarnota, Michael C Kolios
High frequency ultrasound backscatter signals from sea urchin oocytes were measured using a 40 MHz transducer and compared to numerical simulations. The Faran scattering model was used to calculate the ultrasound scattered from single oocytes in suspension. The urchin oocytes are non-nucleated with uniform size and biomechanical properties; the backscatter from each cell is similar and easy to simulate, unlike typical nucleated mammalian cells. The time domain signal measured from single oocytes in suspension showed two distinct peaks, and the power spectrum was periodic with minima spaced approximately 10 MHz apart...
July 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28764409/significance-of-non-normality-induced-patterns-transient-growth-versus-asymptotic-stability
#18
Václav Klika
Reaction-diffusion models following the original idea of Turing are widely applied to study the propensity of a system to develop a pattern. To this end, an asymptotic analysis is typically performed via the so-called dispersion relation that relates the spectral properties of a spatial operator (diffusion) to the temporal behaviour of the whole initial-boundary value reaction-diffusion problem. Here, we amend this approach by studying the transient growth due to non-normality that can also lead to a pattern development in non-linear systems...
July 2017: Chaos
https://www.readbyqxmd.com/read/28753852/desnt-a-poor-prognosis-category-of-human-prostate-cancer
#19
Bogdan-Alexandru Luca, Daniel S Brewer, Dylan R Edwards, Sandra Edwards, Hayley C Whitaker, Sue Merson, Nening Dennis, Rosalin A Cooper, Steven Hazell, Anne Y Warren, Rosalind Eeles, Andy G Lynch, Helen Ross-Adams, Alastair D Lamb, David E Neal, Krishna Sethia, Robert D Mills, Richard Y Ball, Helen Curley, Jeremy Clark, Vincent Moulton, Colin S Cooper
BACKGROUND: A critical problem in the clinical management of prostate cancer is that it is highly heterogeneous. Accurate prediction of individual cancer behaviour is therefore not achievable at the time of diagnosis leading to substantial overtreatment. It remains an enigma that, in contrast to breast cancer, unsupervised analyses of global expression profiles have not currently defined robust categories of prostate cancer with distinct clinical outcomes. OBJECTIVE: To devise a novel classification framework for human prostate cancer based on unsupervised mathematical approaches...
March 6, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28752747/trends-in-tobacco-smoking-among-czech-school-aged-children-from-1994-to-2014
#20
Ferdinand Salonna, Ladislav Kážmér, Ladislav Csémy, Jana Vašíčková, Anne Hublet, Christiane Stock
OBJECTIVE: The aim of the article is to examine trends in tobacco consumption among the Czech school-age population. METHODS: For the analysis, data from the Czech Health Behaviour in School-aged Children project, conducted between 1994 and 2014 were used. Trends in tobacco smoking were determined separately for boys and girls, applying the binary logistic regression with survey period as an independent variable for the smoking status. RESULTS: The analysis showed that there have been significant changes in adolescent tobacco smoking for the recent 20 years...
July 2017: Central European Journal of Public Health
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