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Behavioral Organization

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https://www.readbyqxmd.com/read/29166706/-acute-stress-response-after-critical-burn
#1
H T Tang, F Zhu
The stress response is a preexisting and adaptive behavioral mode of all living beings, which may bring deleterious consequences of dysfunction or failure of tissue and organ. This article aims to elaborate theories of stress response, summarize the manifestation and mechanism of acute stress response in critically burned patients, and help to improve clinical curative efficacy and prognosis of these patients by physiological, psychological and pharmacological methods.
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166587/migrating-myeloid-cells-sense-temporal-dynamics-of-chemoattractant-concentrations
#2
Caren E Petrie Aronin, Yun M Zhao, Justine S Yoon, Nicole Y Morgan, Thorsten Prüstel, Ronald N Germain, Martin Meier-Schellersheim
Chemoattractant-mediated recruitment of hematopoietic cells to sites of pathogen growth or tissue damage is critical to host defense and organ homeostasis. Chemotaxis is typically considered to rely on spatial sensing, with cells following concentration gradients as long as these are present. Utilizing a microfluidic approach, we found that stable gradients of intermediate chemokines (CCL19 and CXCL12) failed to promote persistent directional migration of dendritic cells or neutrophils. Instead, rising chemokine concentrations were needed, implying that temporal sensing mechanisms controlled prolonged responses to these ligands...
November 21, 2017: Immunity
https://www.readbyqxmd.com/read/29166484/assessing-the-role-of-appropriate-primary-health-care-on-the-use-of-dental-services-by-brazilian-low-income-preschool-children
#3
Márcia Helena Baldani, Juliana Schaia Rocha, Cristina Berger Fadel, Antonio Carlos Nascimento, José Leopoldo Ferreira Antunes, Samuel Jorge Moysés
This cross-sectional study aimed to assess the association between the quality of primary health care (PHC) and the use of dental services by preschoolers served by the Family Health Strategy (FHS), controlling for socio-demographic determinants and perceived need. The sample encompassed 438 children aged 3-5 years, enrolled in 19 FHS facilities in Ponta Grossa, Paraná State, Brazil. Individual level variables were collected by interviewing parents or caregivers at home. They answered a questionnaire on socioeconomic conditions, oral hygiene habits and use of dental services...
November 21, 2017: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/29166183/the-development-of-an-interactive-health-education-model-based-on-the-djuwita-application-for-adolescent-girls
#4
Sri Djuwitaningsih, Setyowati
Alarming incidents of maternal deaths in Indonesia are due to three major causes: bleeding, sepsis, and hypertension, in addition to other non-obstetric causes and unsafe abortions. Adolescent girls contributed to maternal mortality based on early marriage, unwanted pregnancy, and childbirth. Prevention efforts have been taken through government programs and non-governmental organizations, but in practice those were considered ineffective. Thus, a preventative effort in the form of health education should be made, preferably embedded in a popular mobile application that most teenagers would be apt to use...
2017: Compr Child Adolesc Nurs
https://www.readbyqxmd.com/read/29165661/variability-and-lack-of-prognostic-value-associated-with-atypical-pituitary-adenoma-diagnosis-a-systematic-review-and-critical-assessment-of-the-diagnostic-criteria
#5
Kelsi Chesney, Zoe Memel, Dhiraj J Pangal, Daniel Donoho, Kyle Hurth, Anna Mathew, John D Carmichael, Gabriel Zada
BACKGROUND: Atypical pituitary adenomas (APAs) are a subset of pituitary adenomas (PAs) characterized by the 2004 World Health Organization (WHO) guidelines to have higher risk histopathological features than typical PAs. In July 2017, the WHO published an update to their classification of pituitary tumors and abandoned the APA terminology. OBJECTIVE: To assess the prevalence and outcomes of patients diagnosed with APA through a literature review. Focus was placed on variation in the application of the previous WHO criteria and on rates of recurrence...
November 18, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29165448/shedding-light-on-the-different-behavior-of-ionic-and-nonionic-surfactants-in-emulsion-polymerization-from-atomistic-simulations-to-experimental-observations
#6
Giulia Magi Meconi, Nicholas Ballard, José M Asua, Ronen Zangi
Although surfactants are known to play a vital role in polymerization reactions carried out in dispersed media, many aspects of their use are poorly understood, perhaps none more so than the vastly different action of ionic and nonionic surfactants in emulsion polymerization. In this work, we combine experimental measurements of emulsion polymerization of styrene with atomistic molecular dynamics simulations to better understand the behavior of surfactants at monomer/polymer-water interfaces. In a batch emulsion polymerization of styrene, the nonionic surfactant Disponil AFX 1080 leads to two nucleation periods, in contrast to the behavior observed for the ionic surfactant SDS...
November 22, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29165248/neuromodulatory-connectivity-defines-the-structure-of-a-behavioral-neural-network
#7
Feici Diao, Amicia D Elliott, Fengqiu Diao, Sarav Shah, Benjamin H White
Neural networks are typically defined by their synaptic connectivity, yet synaptic wiring diagrams often provide limited insight into network function. This is due partly to the importance of non-synaptic communication by neuromodulators, which can dynamically reconfigure circuit activity to alter its output. Here we systematically map the patterns of neuromodulatory connectivity in a network that governs a developmentally critical behavioral sequence in Drosophila. This sequence, which mediates pupal ecdysis, is governed by the serial release of several key factors, which act both somatically as hormones and within the brain as neuromodulators...
November 22, 2017: ELife
https://www.readbyqxmd.com/read/29165073/recent-progress-in-delivery-of-therapeutic-and-imaging-agents-utilizing-organic-inorganic-hybrid-nanoparticles
#8
Haque Sheikh Tanzina, Ezharul Chowdhury
Delivery of conventional small molecule drugs and currently evolving nucleic acid-based therapeutics, such as small interfering RNAs (siRNAs) and genes, and contrast agents for high resolution imaging, to the target site of action is highly demanding to increase the therapeutic and imaging efficacy while minimizing the off-target effects of the delivered molecules, as well as develop novel therapeutic and imaging approaches. Organic-inorganic hybrid nanoparticles offer a number of advantages by combining the unique properties of the organic and inorganic counterparts, thus improving the pharmacokinetic behavior and targetability of drugs and contrast agents, and conferring the exclusive optical and magnetic properties for both therapeutic and imaging purposes...
November 19, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/29164989/shining-a-light-examining-similarities-and-differences-in-the-work-psychology-of-health-support-workers-employed-in-long-term-care-and-home-and-community-care-settings
#9
Tyrone A Perreira, Whitney Berta, Audrey Laporte, Liane Ginsburg, Raisa Deber, Gillian Elliott, Janet Lum
Health Support Workers (HSWs) provide up to 80% of care to residents and clients in the long-term care (LTC) and home and community care (HCC) sectors but have received little research attention compared with the regulated professions. The authors explore similarities and differences in the work psychology of HSWs employed in LTC and HCC settings. Data were collected via survey from 276 LTC and 184 HCC HSWs. Descriptive statistics and path analyses were conducted. HSWs in LTC and HCC settings have significant, positive associations between organizational citizenship behaviors directed toward the organization (OCB-Os) and psychological empowerment, as well as intention to stay (ITS) and job satisfaction...
November 1, 2017: Journal of Applied Gerontology: the Official Journal of the Southern Gerontological Society
https://www.readbyqxmd.com/read/29164922/health-care-access-utilization-and-cancer-screening-among-low-income-latina-women
#10
Cynthia M Mojica, Bertha Flores, Norma S Ketchum, Yuanyuan Liang
INTRODUCTION: Cancer screening reduces mortality rates for breast, cervical, and colon cancer. Yet cancer screening rates for Latina women are lower than for non-Latino Whites, and below Healthy People 2020 goals. Additionally, Latinos face many health care access barriers. This study examined health care access and utilization in relation to cancer screening among low-income Latina women recruited from a high-risk area and enrolled in a navigation-plus-education intervention. METHODS: Latina women considered rarely or never screened for breast, cervical, or colorectal cancer were recruited from community-based organizations and events (N = 691)...
January 1, 2017: Hispanic Health Care International: the Official Journal of the National Association of Hispanic Nurses
https://www.readbyqxmd.com/read/29164869/role-of-secondary-particle-formation-in-the-persistence-of-silver-nanoparticles-in-humic-acid-containing-water-under-light-irradiation
#11
Tuoya Zhang, Dawei Lu, Lixi Zeng, Yongguang Yin, Yujian He, Qian Liu, Guibin Jiang
The wide use of silver nanoparticles (AgNPs) leads to the increasing release of AgNPs into the environment. Dissolved organic matter (DOM) is a key factor affecting the behaviors and fate of AgNPs in the aquatic environment. However, the mechanisms for the DOM-mediated transformations of AgNPs are still not fully understood. In this study, we investigated the persistence of AgNPs in aquatic environment in the presence of different concentrations of humic acid (HA) over periods of time up to 14 days. The Ag species were monitored and characterized by absorption spectrometry, transmission electron microscopy (TEM), inductively coupled plasma mass spectrometry (ICP-MS), and multicollector ICP-MS (MC-ICP-MS)...
November 22, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29164862/fabrication-of-magnetic-conjugation-clusters-via-intermolecular-assembling-for-ultrasensitive-surface-plasmon-resonance-spr-detection-in-wide-range-concentration
#12
Zhichao Lou, He Han, Ming Zhou, Jinfeng Wan, Qian Sun, Xiaoyan Zhou, Ning Gu
Herein, a novel sandwich surface plasmon resonance (SPR) detection assay, which utilizes prion disease-associated isoform (PrPSc) conjugating magnetic nanoparticle clusters (nanoparticle-organic clusters, NOCs) as signal amplification reagents, is constructed for ultrasensitive detection of PrPSc. Due to the highly specific affinity of aptamer-Fe3O4 nanoparticles (AMNPs) towards PrPSc and the intermolecular assembly behaviors among PrPSc, PrPSc conjugating magnetic nanoparticle clusters were obtained after the incubation of AMNPs and PrPSc, and the subsequent concentration processes in an external magnetic field...
November 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29164609/who-benefits-from-adolescent-sleep-interventions-moderators-of-treatment-efficacy-in-a-randomized-controlled-trial-of-a-cognitive-behavioral-and-mindfulness-based-group-sleep-intervention-for-at-risk-adolescents
#13
Matthew J Blake, Laura M Blake, Orli Schwartz, Monika Raniti, Joanna M Waloszek, Greg Murray, Julian G Simmons, Elizabeth Landau, Ronald E Dahl, Dana L McMakin, Paul Dudgeon, John Trinder, Nicholas B Allen
BACKGROUND: The aim of this study was to test moderators of therapeutic improvement in an adolescent cognitive-behavioral and mindfulness-based group sleep intervention. Specifically, we examined whether the effects of the program on postintervention sleep outcomes were dependent on participant gender and/or measures of sleep duration, anxiety, depression, and self-efficacy prior to the interventions. METHOD: Secondary analysis of a randomized controlled trial conducted with 123 adolescent participants (female = 59...
November 22, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/29164265/the-power-and-pitfalls-of-big-data-research-in-obstetrics-and-gynecology-a-consumer-s-guide
#14
Amie Goodin, Chris Delcher, Chelsea Valenzuela, Xi Wang, Yanmin Zhu, Dikea Roussos-Ross, Joshua D Brown
Importance: Research in obstetrics and gynecology (OB/GYN) increasingly relies on "big data" and observational study designs. There is a gap in practitioner-relevant guides to interpret and critique such research. Objective: This guide is an introduction to interpreting research using observational data and provides explanations and context for related terminology. In addition, it serves as a guide for critiquing OB/GYN studies that use observational data by outlining how to assess common pitfalls of experimental and observational study designs...
November 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/29164190/upgrading-well-plates-using-open-microfluidic-patterning
#15
Samuel B Berry, Tianzi Zhang, John H Day, Xiaojing Su, Ilham Z Wilson, Erwin Berthier, Ashleigh B Theberge
Cellular communication between multiple cell types is a ubiquitous process that is responsible for vital physiological responses observed in vivo (e.g., immune response, organ function). Many in vitro coculture strategies have been developed, both in traditional culture and microscale systems, and have shown the potential to recreate some of the physiological behaviors of organs or groups of cells. A fundamental limitation of current systems is the difficulty of reconciling the additional engineering requirements for creating soluble factor signaling systems (e...
November 22, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/29164112/details-matter-noise-and-model-structure-set-the-relationship-between-cell-size-and-cell-cycle-timing
#16
Felix Barber, Po-Yi Ho, Andrew W Murray, Ariel Amir
Organisms across all domains of life regulate the size of their cells. However, the means by which this is done is poorly understood. We study two abstracted "molecular" models for size regulation: inhibitor dilution and initiator accumulation. We apply the models to two settings: bacteria like Escherichia coli, that grow fully before they set a division plane and divide into two equally sized cells, and cells that form a bud early in the cell division cycle, confine new growth to that bud, and divide at the connection between that bud and the mother cell, like the budding yeast Saccharomyces cerevisiae...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/29164081/delayed-development-of-feeding-skills-in-children-with-feeding-difficulties-cross-sectional-study-in-a-brazilian-reference-center
#17
Cláudia C Ramos, Priscila Maximino, Rachel H V Machado, Ana Beatriz Bozzini, Letícia W Ribeiro, Mauro Fisberg
Background: Delays in gross motor development, sensory processing issues, and organic and behavioral problems are known to interfere in the development of feeding skills (FS); and-therefore-in the success of the process of feeding a child. Children with feeding difficulties (FD) commonly present inadequacy of FS. Objectives: Assessment of five FS in Brazilian children with FD, and search of associations with types of FD. Methods: Cross-sectional study with 70 children below 10 years old...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29163922/bright-and-sensitive-ratiometric-fluorescent-probe-enabling-endogenous-fa-imaging-and-mechanistic-exploration-of-indirect-oxidative-damage-due-to-fa-in-various-living-systems
#18
Kun Dou, Guang Chen, Fabiao Yu, Yuxia Liu, Lingxin Chen, Ziping Cao, Tao Chen, Yulin Li, Jinmao You
As a notorious toxin, formaldehyde (FA) poses an immense threat to human health. Aberrantly elevated FA levels lead to serious pathologies, including organ damage, neurodegeneration, and cancer. Unfortunately, current techniques limit FA imaging to general comparative studies, instead of a mechanistic exploration of its biological role, and this is presumably due to the lack of robust molecular tools for reporting FA in living systems. More importantly, despite being reductive, FA, however, can induce oxidative damage to organisms, thus providing a challenge to the mechanistic study of FA using fluorescence imaging...
November 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/29163321/does-ability-to-defend-moderate-the-association-between-exposure-to-bullying-and-symptoms-of-anxiety
#19
Morten Birkeland Nielsen, Johannes Gjerstad, Daniel Pitz Jacobsen, Ståle Valvatne Einarsen
In the context of workplace bullying, the ability to defend refers to whether or not a target feels able to deal with those negative behaviors that typically constitute bullying. The aim of this study was to determine whether the perceived ability to defend oneself moderates the association between exposure to bullying behaviors at work and symptoms of anxiety as predicted by the definition of workplace bullying. It was hypothesized that exposure to bullying behaviors would be more strongly related to symptoms of anxiety among targets feeling unable to defend oneself than among targets who do feel that they are able to defend themselves in the actual situation...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/29163299/behavioral-evidence-for-enhanced-processing-of-the-minor-component-of-binary-odor-mixtures-in-larval-drosophila
#20
Yi-Chun Chen, Dushyant Mishra, Sebastian Gläß, Bertram Gerber
A fundamental problem in deciding between mutually exclusive options is that the decision needs to be categorical although the properties of the options often differ but in grade. We developed an experimental handle to study this aspect of behavior organization. Larval Drosophila were trained such that in one set of animals odor A was rewarded, but odor B was not (A+/B), whereas a second set of animals was trained reciprocally (A/B+). We then measured the preference of the larvae either for A, or for B, or for "morphed" mixtures of A and B, that is for mixtures differing in the ratio of the two components...
2017: Frontiers in Psychology
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