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Behavioral self-regulation

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https://www.readbyqxmd.com/read/28741844/regulated-drug-release-abilities-of-calcium-carbonate-gelatin-hybrid-nanocarriers-fabricated-via-a-self-organizational-process
#1
Kazuki Murai, Kazuya Kurumisawa, Yoshihiro Nomura, Mutsuyoshi Matsumoto
In this study, we investigated the drug-releasing behavior of a calcium carbonate (CaCO3)-gelatin hybrid nanocarrier, fabricated via a single process using biomimetic mineralization. The organic scaffold (gelatin) of the fabricated nanocarrier is responsible for its ability to load anionic drugs and for controlling the morphology of the inorganic matrix (CaCO3). We studied the drug-releasing properties of the nanocarrier by investigating the response of the CaCO3 matrix to acidic conditions. We found that under neutral conditions, drug release from the nanocarrier was inhibited, while under acidic conditions, the drug was efficiently released...
July 25, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28741470/ecological-feedback-in-quorum-sensing-microbial-populations-can-induce-heterogeneous-production-of-autoinducers
#2
Matthias Bauer, Johannes Knebel, Matthias Lechner, Peter Pickl, Erwin Frey
Autoinducers are small signaling molecules that mediate intercellular communication in microbial populations and trigger coordinated gene expression via 'quorum sensing'. Elucidating the mechanisms that control autoinducer production is, thus, pertinent to understanding collective microbial behavior, such as virulence and bioluminescence. Recent experiments have shown a heterogeneous promoter activity of autoinducer synthase genes, suggesting that some of the isogenic cells in a population might produce autoinducers, whereas others might not...
July 25, 2017: ELife
https://www.readbyqxmd.com/read/28738311/perception-is-key-does-perceptual-sensitivity-and-parenting-behavior-predict-children-s-reactivity-to-others-emotions
#3
Joyce Weeland, Alithe Van den Akker, Meike Slagt, Samuel Putnam
When interacting with other people, both children's biological predispositions and past experiences play a role in how they will process and respond to social-emotional cues. Children may partly differ in their reactions to such cues because they differ in the threshold for perceiving such cues in general. Theoretically, perceptual sensitivity (i.e., the amount of detection of slight, low-intensity stimuli from the external environment independent of visual and auditory ability) might, therefore, provide us with specific information on individual differences in susceptibility to the environment...
July 21, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28738082/short-term-sleep-deprivation-leads-to-decreased-systemic-redox-metabolites-and-altered-epigenetic-status
#4
Malav S Trivedi, Dana Holger, Anh Tuyet Bui, Travis J A Craddock, Jaime L Tartar
Sleep is critical for repair as well as the rejuvenation processes in the body and many of these functions are regulated via underlying cellular metabolic homeostasis. Changes in sleep pattern are reported to alter such metabolic function resulting in altered disease susceptibility or behavior. Here, we measured the extent to which overnight total sleep deprivation (SD) in young adult humans can influence systemic (plasma-derived) redox-metabolism including the major antioxidant, glutathione as well as DNA methylation levels...
2017: PloS One
https://www.readbyqxmd.com/read/28737926/geometric-shape-regulation-and-non-covalent-synthesis-of-one-dimensional-organic-luminescent-nano-micro-materials
#5
Xiaoxian Song, Zuolun Zhang, Shou-Feng Zhang, Jinbei Wei, Kaiqi Ye, Yu Liu, Todd B Marder, Yue Wang
Non-covalent synthesis of one-dimensional (1D) organic nano/micro-materials with controllable geometric shapes or morphologies and special luminescent/electronic properties is one of the greatest challenges in modern chemistry and material science. Control of non-covalent interactions is fundamental for realizing desired 1D structures and crucial for understanding the functions of these interactions. Here, a series of thiophene-fused phenazines composed of a halogen-substituted π-conjugated plate and a pair of flexible side chains is presented, which displays halogen-dependent 1D self-assemblies...
July 24, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28737162/silk-fiber-reinforcement-modulates-in-vitro-chondrogenesis-in-3d-composite-scaffolds
#6
Yogendra Pratap Singh, Mimi Adhikary, Nandana Bhardwaj, Bibhas Kumar Bhunia, Biman B Mandal
The limited self-regenerative capacity of adult cartilage has steered the upsurge in tissue engineered replacements to combat the problem of osteoarthritis. In the present study, the potential of fiber-reinforced silk composites from mulberry (Bombyx mori) and non-mulberry (Antheraea assamensis) silk has been investigated for cartilage tissue engineering. The fabricated composites were physico-chemically characterized and analyzed for cellular viability, proliferation, extracellular matrix formation and immunocompatibility...
July 24, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28736544/non-suicidal-self-injury-in-eating-disordered-patients-associations-with-heart-rate-variability-and-state-trait-anxiety
#7
Cristina Giner-Bartolome, Núria Mallorquí-Bagué, Iris Tolosa-Sola, Trevor Steward, Susana Jimenez-Murcia, Roser Granero, Fernando Fernandez-Aranda
Background: Non-suicidal self-injury (NSSI) is commonly present in individuals with eating disorders (EDs) and is often employed as a maladaptive emotion regulation strategy to avoid or abate negative emotions. One of the most prevalent negative emotions experienced by self-injurers is anxiety; however, this emotion has not been extensively studied in this population. Thus, the aim of our study was to investigate the influence of anxiety on NSSI in patients with ED from two different dimensions: state anxiety and trait anxiety...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28727223/effect-of-abacus-training-on-executive-function-development-and-underlying-neural-correlates-in-chinese-children
#8
Chunjie Wang, Jian Weng, Yuan Yao, Shanshan Dong, Yuqiu Liu, Feiyan Chen
Executive function (EF) refers to a set of cognitive abilities involved in self-regulated behavior. Given the critical role of EF in cognition, strategies for improving EF have attracted intensive attention in recent years. Previous studies have explored the effects of abacus-based mental calculation (AMC) training on several cognitive abilities. However, it remains unclear whether AMC training affects EF and its neural correlates. In this study, participants were randomly assigned to AMC or control groups upon starting primary school...
July 20, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28726307/naturally-occurring-circadian-rhythm-and-sleep-duration-are-related-to-executive-functions-in-early-adulthood
#9
Liisa Kuula, Anu-Katriina Pesonen, Kati Heinonen, Eero Kajantie, Johan Gunnar Eriksson, Sture Andersson, Aulikki Lano, Jari Lahti, Dieter Wolke, Katri Räikkönen
Experimental sleep deprivation studies suggest that insufficient sleep and circadian misalignment associates with poorer executive function. It is not known whether this association translates to naturally occurring sleep patterns. A total of 512 of full-term-born members of the Arvo Ylppö Longitudinal Study [mean age = 25.3, standard deviation (SD) = 0.65] (44.3% men) wore actigraphs to define sleep duration, its irregularity and circadian rhythm (sleep mid-point) during a 1-week period (mean 6.9 nights, SD = 1...
July 20, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28721740/clinical-features-and-subjective-physiological-responses-to-emotional-stimuli-in-the-presence-of-emotion-dysregulation-in-attention-deficit-hyperactivity-disorder
#10
Candan Taskiran, Serkan Karaismailoglu, Halime Tuna Cak Esen, Zeynep Tuzun, Aysen Erdem, Zeynep Dicle Balkanci, Anil Barak Dolgun, Sadriye Ebru Cengel Kultur
INTRODUCTION: Emotion dysregulation (ED) has long been recognized in clinical descriptions of attention-deficit hyperactivity disorder (ADHD), but a renewed interest in ED has advanced research on the overlap between the two entities. Autonomic reactivity (AR) is a neurobiological correlate of emotion regulation; however, the association between ADHD and AR remains unclear. Our aim was to explore the clinical differences, AR, and subjective emotional responses to visual emotional stimuli in ADHD children with and without ED...
July 19, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28718929/commitment-forgiveness-and-relationship-self-regulation-an-actor-partner-interdependence-model-of-relationship-virtues-and-relationship-effort-in-couple-relationships
#11
Joshua R Novak, Heather M Smith, Jeffry H Larson, D Russell Crane
Dyadic data from 679 committed couples were used to examine associations between commitment, forgiveness, and perceptions of partner's relationship self-regulation (RSR) behaviors-that is effort and strategies that partners exert to maintain the relationship. We found that for both partners, higher self-reports of commitment and forgiveness were associated with higher perceptions of their partner's RSR. For females, higher commitment and forgiveness were associated with higher male perceptions of her RSR, and higher male forgiveness was associated with higher female perceptions of his RSR...
July 18, 2017: Journal of Marital and Family Therapy
https://www.readbyqxmd.com/read/28718752/the-impact-of-presentation-format-on-younger-and-older-adults-self-regulated-learning
#12
Jodi Price
Background/Study Context: Self-regulated learning involves deciding what to study and for how long. Debate surrounds whether individuals' selections are influenced more by item complexity, point values, or if instead people select in a left-to-right reading order, ignoring item complexity and value. The present study manipulated whether point values and presentation format favored selection of simple or complex Chinese-English pairs to assess the impact on younger and older adults' selection behaviors. METHODS: One hundred and five younger (Mage = 20...
July 2017: Experimental Aging Research
https://www.readbyqxmd.com/read/28713522/the-effect-of-motivational-interviewing-based-intervention-using-self-determination-theory-on-promotion-of-physical-activity-among-women-in-reproductive-age-a-randomized-clinical-trial
#13
Seyed Saeed Mazloomy Mahmoodabad, Nooshin Rouhani Tonekaboni, Rabiollah Farmanbar, Hossein Fallahzadeh, Tahereh Kamalikhah
BACKGROUND: Physical activity (PA) prevents chronic diseases. Self-determination theory (SDT) provides a useful framework to understand the nature of motivational interviewing (MI). OBJECTIVE: This study aimed to determine the effect of MI-based intervention using SDT on the promotion of PA among women in reproductive age. METHODS: Seventy women in reproductive age were selected by clustering sampling method for this randomized controlled trial...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28713088/-pathogenic-factors-of-regulatory-mechanisms-of-organism-adaptation-to-conditions-with-a-high-level-of-psychoemotional-load
#14
Oksana V Gorsha, Vasily I Gorsha
INTRODUCTION: The urgency of the issue is determined by the value of the stress impact of environmental conditions on workers of the operator personnel contingent, because the deterioration of their health and well-being is a factor in dangerous situations. However, the search for early diagnostic markers forming diseases, with a view to their prevention, is still a challenge. The aim was to establish the most important (among studied) pathogenetic factors of status of regulatory mechanisms of adaptation of individuals with a high level of psychoemotional load that is conditional upon profession...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28712291/programming-cell-adhesion-for-on-chip-sequential-boolean-logic-functions
#15
Xiangmeng Qu, Shaopeng Wang, Zhilei Ge, Jianbang Wang, Guangbao Yao, Jiang Li, Xiaolei Zuo, Jiye Shi, Shiping Song, Lihua Wang, Li Li, Hao Pei, Chunhai Fan
Programmable remodelling of cell surfaces enables high-precision regulation of cell behavior. In this work, we developed in-vitro constructed DNA-based chemical reaction networks (CRNs) to program on-chip cell adhesion. We found that the RGD-functionalized DNA CRNs are entirely non-invasive when interfaced with the fluidic mosaic membrane of living cells. DNA toehold with different lengths could tunably alter the release kinetics of cells, which shows rapid release in minutes with the use of a 6-base toehold...
July 17, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28710666/mediators-of-physical-activity-adherence-results-from-an-action-control-intervention-in-couples
#16
Corina Berli, Gertraud Stadler, Patrick E Shrout, Niall Bolger, Urte Scholz
BACKGROUND: Behavior change interventions targeting self-regulation skills have generally shown promising effects. However, the psychological working mechanisms remain poorly understood. PURPOSE: We examined theory-based mediators of a randomized controlled trial in couples targeting action control (i.e., continuously monitoring and evaluating an ongoing behavior). Self-reported action control was tested as the main mediating mechanism of physical activity adherence, and in addition self-efficacy and received social support from the partner...
July 14, 2017: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
https://www.readbyqxmd.com/read/28709324/geometric-structure-and-information-change-in-phase-transitions
#17
Eun-Jin Kim, Rainer Hollerbach
We propose a toy model for a cyclic order-disorder transition and introduce a geometric methodology to understand stochastic processes involved in transitions. Specifically, our model consists of a pair of forward and backward processes (FPs and BPs) for the emergence and disappearance of a structure in a stochastic environment. We calculate time-dependent probability density functions (PDFs) and the information length L, which is the total number of different states that a system undergoes during the transition...
June 2017: Physical Review. E
https://www.readbyqxmd.com/read/28709161/roles-of-medication-responsibility-executive-and-adaptive-functioning-in-adherence-for-children-and-adolescents-with-perinatally-acquired-hiv
#18
Patricia A Garvie, Sean S Brummel, Susannah M Allison, Kathleen M Malee, Claude A Mellins, Megan L Wilkins, Lynnette L Harris, E Doyle Patton, Miriam C Chernoff, Richard M Rutstein, Mary E Paul, Sharon L Nichols
BACKGROUND: Medication adherence is a critical but challenging developmental task for children and adolescents with perinatally acquired HIV (PHIV). Understanding how medication responsibility, executive functions (EFs) and adaptive functioning (AF) influence adherence may help prepare adolescents for transition to adulthood. METHODS: Participants included PHIV children and adolescents 7-16 years of age enrolled in the Pediatric HIV/AIDS Cohort Study Adolescent Master Protocol, who were prescribed antiretroviral medications...
August 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28707351/relation-between-working-memory-and-self-regulation-capacities-and-the-level-of-social-skills-acquisition-in-people-with-moderate-intellectual-disability
#19
Bojan Dučić, Milica Gligorović, Svetlana Kaljača
BACKGROUND: Social competence deficit is one of the main characteristics of intellectual disability. The aim of this paper is to determine the influence of working memory (WM) and self-regulation (SR) on social skills in persons with moderate intellectual disability (MID). METHOD: The sample included 41 participants with MID, aged 14-21. Memorizing animals and maze tasks were used for WM assessment. SR skills were assessed by the Behavioral Multitask Batteries. Social skills were rated by the Socialization subscale from the Adaptive Behavior Assessment System II, which consists of two parts...
July 14, 2017: Journal of Applied Research in Intellectual Disabilities: JARID
https://www.readbyqxmd.com/read/28704217/automatic-affective-evaluations-of-physical-activity
#20
David E Conroy, Tanya R Berry
People do not appear to be willing or able to sustain effortful self-regulation for behaviors, such as physical activity. Affective processes can account for why some behaviors are more intrinsically rewarding than others. In this paper, we hypothesize that automatic affective evaluations are instrumental to the regulation of physical activity in everyday life.
July 12, 2017: Exercise and Sport Sciences Reviews
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