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Behavioural insights

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https://www.readbyqxmd.com/read/29775513/conflicting-priorities-observation-of-medicines-administration
#1
Johanne Alteren, Marit Hermstad, Jo White, Susan Jordan
AIMS AND OBJECTIVES: To identify sources of interruptions and distractions to medicine administration rounds in hospitals. BACKGROUND: Nurses are frequently interrupted during medicine administration. There is no systematic description of nurses' behaviours and interruptions during administration of medicines to patients. DESIGN: Exploratory non-participant observational study. METHODS: Three hundred and fifty-one episodes of medicines administration with 32 nurses from three hospitals in Norway were observed using paper-based observation grids between December 2013 and March 2014...
May 18, 2018: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29775189/investigating-mixing-and-emptying-for-aqueous-liquid-content-from-the-stomach-using-a-coupled-biomechanical-sph-model
#2
Simon M Harrison, Paul W Cleary, Matthew D Sinnott
The stomach is a critical organ for food digestion but it is not well understood how it operates, either when healthy or when dysfunction occurs. Stomach function depends on the timing and amplitude of wall contractions, the fill level and the type of gastric content. Using a coupled biomechanical-Smoothed Particle Hydrodynamics (B-SPH) model, we investigate how gastric discharge is affected by the contraction behaviour of the stomach wall and the viscosity of the content. The results of the model provide new insights into how the content viscosity and the number of compression waves down the length of the stomach affect the mixing within and the discharge rate of the content exiting from the stomach to the duodenum...
May 18, 2018: Food & Function
https://www.readbyqxmd.com/read/29774230/early-vocal-development-in-autism-spectrum-disorder-rett-syndrome-and-fragile-x-syndrome-insights-from-studies-using-retrospective-video-analysis
#3
Laura Roche, Dajie Zhang, Katrin D Bartl-Pokorny, Florian B Pokorny, Björn W Schuller, Gianluca Esposito, Sven Bölte, Herbert Roeyers, Luise Poustka, Markus Gugatschka, Hannah Waddington, Ralf Vollmann, Christa Einspieler, Peter B Marschik
This article provides an overview of studies assessing the early vocalisations of children with autism spectrum disorder (ASD), Rett syndrome (RTT), and fragile X syndrome (FXS) using retrospective video analysis (RVA) during the first two years of life. Electronic databases were systematically searched and a total of 23 studies were selected. These studies were then categorised according to whether children were later diagnosed with ASD (13 studies), RTT (8 studies), or FXS (2 studies), and then described in terms of (a) participant characteristics, (b) control group characteristics, (c) video footage, (d) behaviours analysed, and (e) main findings...
March 2018: Advances in Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/29773688/understanding-patients-perceptions-of-asthma-control-a-qualitative-study
#4
Natalie Bidad, Neil Barnes, Chris Griffiths, Rob Horne
Asthma control is suboptimal for many sufferers despite the existence of effective treatments. Patients' self-management is influenced by their perceptions of asthma and its treatment. This study explored sufferers' perceptions of asthma control and their influence on self-management behaviours.Participants (n=42) recruited from primary and secondary care asthma clinics in London each underwent a qualitative interview exploring perceptions and experiences of asthma control. Purposive sampling ensured variation in disease severity, degree of asthma control, age and socioeconomic status...
May 17, 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29773488/identifying-the-myogenic-and-metabolic-components-of-cerebral-autoregulation
#5
S J Payne
Cerebral autoregulation is the term used to describe a number of mechanisms that act together to maintain a near constant cerebral blood flow in response to changes in arterial blood pressure. These mechanisms are complex and known to be affected in a range of cerebrovascular diseases. However, it can be difficult to assign an alteration in cerebral autoregulation to one of the underlying physiological mechanisms without the use of a complex mathematical model. In this paper, we thus set out a new approach that enables these mechanisms to be related to the autoregulation behaviour and hence inferred from experimental measurements...
May 14, 2018: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29772516/acidic-amino-acids-a-new-type-of-enzyme-mimics-with-application-to-biosensing-and-evaluating-of-antioxidant-behaviour
#6
Ying Shi, Li Liu, Yuanyuan Yu, Yijuan Long, Huzhi Zheng
Nanomaterials have triggered tremendous interest to mimick peroxidase but rarely attention has been paid to small molecules. Herein we first found that acidic amino acids including l-glutamic acid (L-Glu) and l-aspartic acid (L-Asp) exhibited an intrinsic peroxidase-like activity, endowing acidic amino acids with the capability of catalysing the oxidation of the peroxidase substrates 3,3',5,5'-tetramethylbenzidine (TMB) to produce color reaction in the presence of H2 O2 . Reaction mechanism was further investigated by means of electron spin resonance spectroscopy (ESR), enzyme kinetics assay and quantum theoretical calculations, to verify and provide a good deal of insight into the catalytic process...
May 8, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29772469/synthesis-of-steroidal-imidazolidinthiones-as-potential-apoptotic-agents-investigation-by-theoretical-and-experimental-studies
#7
Ayaz Mahmood Dar, Rizwan Nabi, Shafia Mir, Manzoor Ahmad Gatoo, Shamsuzzaman, Shabir H Lone
New steroidal imidazolidinthione derivatives (4-6) were synthesized from steroidal thiosemicarbazones and dichloroethane. The synthesized compounds were characterized using spectral data analysis. Theoretical DFT involving B3LYP/6-31G∗∗ level of theory was employed to gain insights into the molecular structure of the target compounds. MEPS and FMO analysis were carried out. HOMO-LUMO energy gap was determined which helped to evaluate various global descriptors like hardness, chemical potential, electronegativity, nucleophilicity and electrophilicity index, etc...
May 2, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29772388/key-risk-indicators-for-accident-assessment-conditioned-on-pre-crash-vehicle-trajectory
#8
X Shi, Y D Wong, M Z F Li, C Chai
Accident events are generally unexpected and occur rarely. Pre-accident risk assessment by surrogate indicators is an effective way to identify risk levels and thus boost accident prediction. Herein, the concept of Key Risk Indicator (KRI) is proposed, which assesses risk exposures using hybrid indicators. Seven metrics are shortlisted as the basic indicators in KRI, with evaluation in terms of risk behaviour, risk avoidance, and risk margin. A typical real-world chain-collision accident and its antecedent (pre-crash) road traffic movements are retrieved from surveillance video footage, and a grid remapping method is proposed for data extraction and coordinates transformation...
May 14, 2018: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29771960/the-great-indian-joint-families-of-free-ranging-dogs
#9
Manabi Paul, Anindita Bhadra
Cooperative breeding is an excellent example of cooperation in social groups. Domestic dogs have evolved from cooperatively hunting and breeding ancestors but have adapted to a facultatively social scavenging lifestyle on streets, and solitary living in human homes. Pets typically breed and reproduce under human supervision, but free-ranging dogs can provide insights into the natural breeding ecology of dogs. We conducted a five year-long field based behavioural study on parental care of free-ranging dogs in India...
2018: PloS One
https://www.readbyqxmd.com/read/29771922/enzyme-sequestration-by-the-substrate-an-analysis-in-the-deterministic-and-stochastic-domains
#10
Andreas Petrides, Glenn Vinnicombe
This paper is concerned with the potential multistability of protein concentrations in the cell. That is, situations where one, or a family of, proteins may sit at one of two or more different steady state concentrations in otherwise identical cells, and in spite of them being in the same environment. For models of multisite protein phosphorylation for example, in the presence of excess substrate, it has been shown that the achievable number of stable steady states can increase linearly with the number of phosphosites available...
May 17, 2018: PLoS Computational Biology
https://www.readbyqxmd.com/read/29770826/the-size-selective-interaction-of-key-and-lock-nanocrystals-driven-by-depletion-attraction-at-the-nanoscale
#11
D Hinrichs, R Himstedt, D Dorfs
In this article, we study the size-dependent interactions of quasi-spherical nanocrystals with voids of concave nanoparticles of complementary sizes and shapes. Experimental insights into a system with key and lock particles with smaller dimensions than 15 nm are presented, which provide evidence for key-lock specific interaction on this length scale. Using depletion attraction as a driving force, the key-lock interaction is shown to be reversible and independent of the material composition of the key particles...
May 17, 2018: Nanoscale
https://www.readbyqxmd.com/read/29770718/a-systematic-literature-review-comparing-methods-for-the-measurement-of-patient-persistence-and-adherence
#12
Carol A Forbes, Sohan Deshpande, Francesc Sorio-Vilela, Lucie Kutikova, Steven Duffy, Ioanna Gouni-Berthold, Emil Hagström
OBJECTIVES: A systematic literature review was conducted comparing different approaches estimating persistence and adherence in chronic diseases with polypharmacy of oral and subcutaneous treatments. METHODS: This work followed published guidance on performing systematic reviews. Twelve electronic databases and grey literature sources were used to identify studies and guidelines for persistence and adherence of oral and subcutaneous therapies in hypercholesterolemia, type 2 diabetes, hypertension, osteoporosis and rheumatoid arthritis...
May 17, 2018: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29770183/colour-for-behavioural-success
#13
Birgitta Dresp-Langley, Adam Reeves
Colour information not only helps sustain the survival of animal species by guiding sexual selection and foraging behaviour but also is an important factor in the cultural and technological development of our own species. This is illustrated by examples from the visual arts and from state-of-the-art imaging technology, where the strategic use of colour has become a powerful tool for guiding the planning and execution of interventional procedures. The functional role of colour information in terms of its potential benefits to behavioural success across the species is addressed in the introduction here to clarify why colour perception may have evolved to generate behavioural success...
March 2018: I-Perception
https://www.readbyqxmd.com/read/29769459/the-framework-of-clinical-occupational-medicine-to-provide-new-insight-for-workaholism
#14
Quentin Durand-Moreau, Clarisse LE Deun, Brice Lodde, Jean-Dominique Dewitte
There is no single agreed definition of workaholism. Most interventions proposed for people suffering from workaholism target individuals. There is a paucity of descriptions of workplace risk factors. Our study examines case reports of patients suffering from workaholism with a focus on the role of the workplace. We describe case reports from patients of the Occupational Disease Centre in Brest, France between 2013 and 2016. Consultations were conducted within the framework of clinical occupational medicine with a focus on real work situations...
May 17, 2018: Industrial Health
https://www.readbyqxmd.com/read/29768454/fireproxies-a-computational-model-providing-insight-into-heat-affected-archaeological-lithic-assemblages
#15
Andrew C Sorensen, Fulco Scherjon
Evidence for fire use becomes increasingly sparse the further back in time one looks. This is especially true for Palaeolithic assemblages. Primary evidence of fire use in the form of hearth features tends to give way to clusters or sparse scatters of more durable heated stone fragments. In the absence of intact fireplaces, these thermally altered lithic remains have been used as a proxy for discerning relative degrees of fire use between archaeological layers and deposits. While previous experimental studies have demonstrated the physical effects of heat on stony artefacts, the mechanisms influencing the proportion of fire proxy evidence within archaeological layers remain understudied...
2018: PloS One
https://www.readbyqxmd.com/read/29767719/the-ups-and-downs-of-s-aureus-nasal-carriage
#16
Angela M Jarrett, Nicholas G Cogan
Staphylococcus aureus infections are a growing concern worldwide due to the increasing number of strains that exhibit antibiotic resistance. Recent studies have indicated that some percentage of people carry the bacteria in the nasal cavity and therefore are at a higher risk of subsequent, and more serious, infections in other parts of the body. However, individuals carrying the infection can be classified as only intermittent carriers versus persistent carriers, being able to eliminate the bacteria and later colonized again...
May 15, 2018: Mathematical Medicine and Biology: a Journal of the IMA
https://www.readbyqxmd.com/read/29767624/the-maternal-brain-in-women-with-a-history-of-early-life-maltreatment-an-imagination-based-fmri-study-of-conflictual-versus-pleasant-interactions-with-children
#17
Corinne Neukel, Katja Bertsch, Anna Fuchs PhD, Anna-Lena Zietlow, Corinna Reck, Eva Moehler, Romuald Brunner, Felix Bermpohl, Sabine C Herpertz
BACKGROUND: Early-life maltreatment has severe consequences for the affected individual, and it has an impact on the next generation. To improve understanding of the intergenerational effects of abuse, we investigated the consequences of early-life maltreatment on maternal sensitivity and associated brain mechanisms during mother-child interactions. METHODS: In total, 47 mothers (22 with a history of physical and/or sexual childhood abuse and 25 without, all without current mental disorders) took part in a standardized real-life interaction with their 7- to 11-year-old child (not abused) and a subsequent functional imaging script-driven imagery task...
May 16, 2018: Journal of Psychiatry & Neuroscience: JPN
https://www.readbyqxmd.com/read/29767553/mating-system-in-the-brown-rot-pathogens-monilinia-fructicola-monilinia-laxa-and-monilinia-fructigena
#18
Domenico Abate, Rita Milvia De Miccolis Angelini, Caterina Rotolo, Stefania Pollastro, Francesco Faretra
Monilinia fructicola, Monilinia laxa and Monilinia fructigena are the most important pathogens responsible for brown rot disease of stone and pome fruits. Information on their mating system and sexual behaviour is scant. A mating-type specific PCR-based assay was developed and applied to 155 Monilinia isolates from ten countries and ten different host plants. We showed that single isolates carry only one of two opposite idiomorphs at the MAT1 locus consistent with a heterothallic mating system for all three species...
May 16, 2018: Phytopathology
https://www.readbyqxmd.com/read/29766542/cyberbullying-prevention-insight-and-recommendations-from-youths-parents-and-paediatricians
#19
K R Mehari, W Moore, T E Waasdorp, O Varney, K Berg, S S Leff
BACKGROUND: The purpose of this study was to identify injunctive norms for cyberbullying prevention among youths, parents, and primary care providers, as well as barriers to preventive behaviours. METHODS: Semi-structured interviews on the topic of cyberbullying were conducted with 29 adolescents, 13 paediatricians, and 15 parents recruited from 3 primary care sites. Transcripts were coded for themes related to various stakeholders' perceived roles in cyberbullying prevention and barriers to preventive behaviours...
May 15, 2018: Child: Care, Health and Development
https://www.readbyqxmd.com/read/29762708/the-impact-of-cash-transfers-on-social-determinants-of-health-and-health-inequalities-in-sub-saharan-africa-a-systematic-review
#20
Ebenezer Owusu-Addo, Andre M N Renzaho, Ben J Smith
Cash transfers (CTs) are now high on the agenda of most governments in low- and middle-income countries. Within the field of health promotion, CTs constitute a healthy public policy initiative as they have the potential to address the social determinants of health (SDoH) and health inequalities. A systematic review was conducted to synthesise the evidence on CTs' impacts on SDoH and health inequalities in sub-Saharan Africa, and to identify the barriers and facilitators of effective CTs. Twenty-one electronic databases and the websites of 14 key organizations were searched in addition to grey literature and hand searching of selected journals for quantitative and qualitative studies on CTs' impacts on SDoH and health outcomes...
June 1, 2018: Health Policy and Planning
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