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https://www.readbyqxmd.com/read/29352237/wearable-sweat-rate-sensors-for-human-thermal-comfort-monitoring
#1
Jai Kyoung Sim, Sunghyun Yoon, Young-Ho Cho
We propose watch-type sweat rate sensors capable of automatic natural ventilation by integrating miniaturized thermo-pneumatic actuators, and experimentally verify their performances and applicability. Previous sensors using natural ventilation require manual ventilation process or high-power bulky thermo-pneumatic actuators to lift sweat rate detection chambers above skin for continuous measurement. The proposed watch-type sweat rate sensors reduce operation power by minimizing expansion fluid volume to 0...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352130/equal-status-in-ultimatum-games-promotes-rational-sharing
#2
Xiao Han, Shinan Cao, Jian-Zhang Bao, Wen-Xu Wang, Boyu Zhang, Zi-You Gao, Angel Sánchez
Experiments on the Ultimatum Game (UG) repeatedly show that people's behaviour is far from rational. In UG experiments, a subject proposes how to divide a pot and the other can accept or reject the proposal, in which case both lose everything. While rational people would offer and accept the minimum possible amount, in experiments low offers are often rejected and offers are typically larger than the minimum, and even fair. Several theoretical works have proposed that these results may arise evolutionarily when subjects act in both roles and there is a fixed interaction structure in the population specifying who plays with whom...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351770/-i-struggle-to-count-my-blessings-recovery-after-hip-fracture-from-the-patients-perspective
#3
Vigdis Bruun-Olsen, Astrid Bergland, Kristi Elisabeth Heiberg
BACKGROUND: Recovery outlooks of physical functioning and quality of life after hip fracture have not changed significantly over the past 25 years. Previous research has mainly dealt with causalities and acute treatment, while the recovery process from the patients' perspective has been less comprehensively described. Expanded knowledge of what the patients consider important in their recovery process may have important consequences for how these patients are treated in the future and thereby on future patient outcomes...
January 19, 2018: BMC Geriatrics
https://www.readbyqxmd.com/read/29351468/gabaergic-contribution-to-the-muscle-mechanoreflex-mediated-heart-rate-responses-at-the-onset-of-exercise-in-humans
#4
André L Teixeira, Plinio Santos Ramos, Milena Samora, Jeann L Sabino-Carvalho, Djalma Rabelo Ricardo, Eduardo Colombari, Lauro C Vianna
Previous studies indicated that central GABAergic mechanisms are involved in the heart rate (HR) responses at the onset of exercise. Based on previous research that showed similar increases in HR during passive and active cycling, we reasoned that the GABAergic mechanisms involved in the HR responses at the exercise onset is primarily mediated by muscle mechanoreceptors afferents. Therefore, in this study we sought to determine if central GABA mechanisms are involved in the muscle mechanoreflex-mediated HR responses at the onset of exercise in humans...
December 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29351339/brain-functional-bold-perturbation-modelling-for-forward-fmri-and-inverse-mapping
#5
Zikuan Chen, Jennifer Robinson, Vince Calhoun
PURPOSE: To computationally separate dynamic brain functional BOLD responses from static background in a brain functional activity for forward fMRI signal analysis and inverse mapping. METHODS: A brain functional activity is represented in terms of magnetic source by a perturbation model: χ = χ0 +δχ, with δχ for BOLD magnetic perturbations and χ0 for background. A brain fMRI experiment produces a timeseries of complex-valued images (T2* images), whereby we extract the BOLD phase signals (denoted by δP) by a complex division...
2018: PloS One
https://www.readbyqxmd.com/read/29351319/speech-stone-tool-making-and-the-evolution-of-language
#6
Dana Michelle Cataldo, Andrea Bamberg Migliano, Lucio Vinicius
The 'technological hypothesis' proposes that gestural language evolved in early hominins to enable the cultural transmission of stone tool-making skills, with speech appearing later in response to the complex lithic industries of more recent hominins. However, no flintknapping study has assessed the efficiency of speech alone (unassisted by gesture) as a tool-making transmission aid. Here we show that subjects instructed by speech alone underperform in stone tool-making experiments in comparison to subjects instructed through either gesture alone or 'full language' (gesture plus speech), and also report lower satisfaction with their received instruction...
2018: PloS One
https://www.readbyqxmd.com/read/29351297/a-fast-combination-method-in-dsmt-and-its-application-to-recommender-system
#7
Yilin Dong, Xinde Li, Yihai Liu
In many applications involving epistemic uncertainties usually modeled by belief functions, it is often necessary to approximate general (non-Bayesian) basic belief assignments (BBAs) to subjective probabilities (called Bayesian BBAs). This necessity occurs if one needs to embed the fusion result in a system based on the probabilistic framework and Bayesian inference (e.g. tracking systems), or if one needs to make a decision in the decision making problems. In this paper, we present a new fast combination method, called modified rigid coarsening (MRC), to obtain the final Bayesian BBAs based on hierarchical decomposition (coarsening) of the frame of discernment...
2018: PloS One
https://www.readbyqxmd.com/read/29351223/a-novel-walking-detection-and-step-counting-algorithm-using-unconstrained-smartphones
#8
Xiaomin Kang, Baoqi Huang, Guodong Qi
Recently, with the development of artificial intelligence technologies and the popularity of mobile devices, walking detection and step counting have gained much attention since they play an important role in the fields of equipment positioning, saving energy, behavior recognition, etc. In this paper, a novel algorithm is proposed to simultaneously detect walking motion and count steps through unconstrained smartphones in the sense that the smartphone placement is not only arbitrary but also alterable. On account of the periodicity of the walking motion and sensitivity of gyroscopes, the proposed algorithm extracts the frequency domain features from three-dimensional (3D) angular velocities of a smartphone through FFT (fast Fourier transform) and identifies whether its holder is walking or not irrespective of its placement...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29351184/cleft-palate-repair-does-hospital-case-volume-impact-outcomes-or-cost
#9
Ari M Wes, Daniel Mazzaferro, Sanjay Naran, Scott P Bartlett, Jesse A Taylor
BACKGROUND: How hospital case-volume affects operative outcomes and cost continues to grow in importance. The purpose of this study is to examine the relationship of case volume with operative outcomes and cost in cleft palate repair. METHODS: Subjects undergoing cleft palate repair between 2004 and 2015 were identified in the Pediatric Health Information System (PHIS). Outcomes were compared between two exposure groups, those undergoing treatment at a high-volume institution (>85th percentile; >60 cases per year), and those undergoing treatment at a low-volume institution...
January 12, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29351128/fluid-removal-with-ultrasound-guided-protocol-improves-the-efficacy-and-safety-of-dehydration-in-post-resuscitated-critically-ill-patients-a-quasi-experimental-before-and-after-study
#10
Luhao Wang, Chunfang Qiu, Xiangdong Guan, Minying Chen, Juan Chen, Xiang Si, Zhicheng Du, Yanqiu Liu, Bin Ouyang
Fluid overload is associated with increased morbidity and mortality in critically ill patients. However, researches rarely study the precise start or end point of fluid removal and no protocol was developed to control the fluid removal process. We hypothesized that individualized fluid removal with ultrasound-guided protocol could improve the efficacy and safety of fluid removal in post-resuscitated critically ill patients. A quasi-experimental, before and after trial was conducted to identify the benefits of ultrasound-guided fluid removal...
January 18, 2018: Shock
https://www.readbyqxmd.com/read/29350073/in-their-own-words-a-synthesis-of-the-qualitative-research-on-the-experiences-of-adults-seeking-asylum-a-systematic-review-of-qualitative-findings-in-forced-migration
#11
Thomas Hoare, Andrew Vidgen, Neil Roberts
Quantitative research indicates that some forced migrants have mental health needs. Asylum seekers are a group of forced migrants applying for asylum status in a host country, and are often subject to rights restrictions and threat of deportation, though little is known about subjective experiences of the asylum journey and process of claiming asylum. The current paper therefore describes a systematic review of the qualitative literature, examining asylum seekers experiences of asylum journey, from country of origin, to arrival and adaptation to host countries...
December 2017: Medicine, Conflict, and Survival
https://www.readbyqxmd.com/read/29350063/a-qualitative-interview-study-of-people-living-with-well-controlled-type-1-diabetes
#12
Debbie M Smith, Peter J Donnelly, John Howe, Terry Mumford, Alan Campbell, Angela Ruddock, Stephanie Tierney, Alison Wearden
OBJECTIVE: While many people with Type 1 diabetes find it difficult to achieve recommended blood glucose levels, a minority do achieve good control. Our study was conceived by patient and public (PP) partners and sought to learn about experiences of people living with well-controlled diabetes. DESIGN: A collaboration between academic health psychologists and five PP partners with experience of diabetes, who were trained to conduct and analyse semi-structured interviews...
January 19, 2018: Psychology & Health
https://www.readbyqxmd.com/read/29349964/-biomechanical-study-of-the-lateral-wall-of-the-femur-in-the-treatment-of-femoral-intertrochanteric-fracture-with-intramedullary-or-extramedullary-fixation
#13
Yin-Sheng Wu, Bing Xu, Zuo-Qu Yu, Xiao-Feng Wang, Shou-Wang Dai, Min Li, Pei-Jian Tong
OBJECTIVE: To observe the biomechanical effects of the lateral wall of the femur in treating femoral intertrochanteric fractures with intramedullary or extramedullary fixation to guide the choice of clinical fixed methods. METHODS: Twelve adults femur specimens of intertrochanteric fractures were belong to the type A1 of the AO fracture classification and randomly divided into the lateral wall complete PFNA group, the lateral wall complete PF-LCP group, the lateral wall breakage PFNA group, lateral wall breakage PF-LCP group, every group had 3 specimens...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349951/tissue-perfusion-rate-estimation-with-compression-based-photoacoustic-ultrasound-imaging
#14
Min Choi, A M James Shapiro, Roger Zemp
Tissue perfusion is essential for transporting blood oxygen and nutrients. Measurement of tissue perfusion rate would have a significant impact in clinical and preclinical arenas. However, there are few techniques to image this important parameter and they typically require contrast agents. A label-free methodology based on tissue compression and imaging with a high-frequency photoacoustic-ultrasound system is introduced for estimating and visualizing tissue perfusion rates. Experiments demonstrate statistically significant differences in depth-resolved perfusion rates in a human subject with various temperature exposure conditions...
January 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29349633/effects-of-tetradecylthioacetic-acid-tta-treatment-on-lipid-metabolism-in-salmon-hearts-in-vitro-and-in-vivo-studies
#15
Regin Arge, Jens-Erik Dessen, Tone-Kari Østbye, Bente Ruyter, Magny S Thomassen, Kjell-Arne Rørvik
In intensive farming of Atlantic salmon, a large proportion of observed mortality is related to cardiovascular diseases and circulatory failure, indicating insufficient robustness and inadequate cardiac performance. This paper reports on the use of tetradecylthioacetic acid (TTA) where the main objective was to enhance utilisation of fatty acids (FA), considered the main energy source of the heart. In this study, three experiments were conducted: (I) an in vivo study where salmon post-smolt were administrated dietary TTA in sea, (II) an in vitro study where isolated salmon heart cells were pre-stimulated with increasing doses of TTA and (III) an in vivo experiment where salmon post-smolt were subjected to injections with increasing doses of TTA...
January 19, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29349514/nb-uvb-irradiation-downregulates-keratin-17-expression-in-keratinocytes-by-inhibiting-the-erk1-2-and-stat3-signaling-pathways
#16
Yuchen Zhuang, Changxu Han, Bing Li, Liang Jin, Erle Dang, Hui Fang, Hongjiang Qiao, Gang Wang
Keratin-17 (K17) is a cytoskeletal protein produced by keratinocytes (KCs), which is overexpressed in psoriasis and may play a pivotal role in its pathogenesis. Narrow-band ultraviolet B (NB-UVB) irradiation is used as a general treatment for psoriasis, although its impact on K17 expression has yet to be determined. In this study, we aimed to investigate the effect of NB-UVB irradiation on K17 expression and its signaling pathways. After exposure to NB-UVB irradiation, immortalized human keratinocytes (HaCaT cells) were analyzed by flow cytometry, CCK-8 assays and transmission electron microscopy to examine proliferation...
January 18, 2018: Archives of Dermatological Research
https://www.readbyqxmd.com/read/29349507/closing-the-gap-connecting-sudden-representational-change-to-the-subjective-aha-experience-in-insightful-problem-solving
#17
Amory H Danek, Joshua Williams, Jennifer Wiley
Two hallmarks of insightful problem solving are thought to be suddenness in the emergence of solution due to changes in problem representation, and the subjective Aha! EXPERIENCE: Although a number of studies have explored the Aha! experience, few studies have attempted to measure representational change. Following the lead of Durso et al. (Psychol Sci 5(2):94-97, 1994) and Cushen and Wiley (Conscious Cognit 21(3):1166-1175, 2012), in this study, participants made importance-to-solution ratings throughout their solution attempts as a way to assess representational change...
January 18, 2018: Psychological Research
https://www.readbyqxmd.com/read/29348407/error-related-cardiac-response-as-information-for-visibility-judgements
#18
Marta Łukowska, Michał Sznajder, Michał Wierzchoń
Interoception provides information about the saliency of external or internal sensory events and thus may inform perceptual decision-making. Error in performance is an example of a motivationally significant internal event that evokes autonomic nervous system response resembling the orienting response: heart rate deceleration, increased skin conductance response, and pupil dilation. Here, we investigate whether error-related cardiac activity may serve as a source of information when making metacognitive judgments in an orientation discrimination backward masking task...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348059/synthesis-and-evaluation-of-a-superabsorbent-fertilizer-composite-for-maximizing-the-nutrient-and-water-use-efficiency-in-forestry-plantations
#19
E Tubert, V A Vitali, M S Alvarez, F A Tubert, I Baroli, G Amodeo
Reducing fertilizer use is a priority in the quest for sustainable forestry systems. In short rotation Eucalyptus plantations, NPK pellets are routinely added to the seedling's top soil layer at planting, potentially leading to increased seedling mortality, nutrient loss and environmental degradation. To address this triple challenge, the development of efficient fertilization practices is essential. In the present work, we synthesized a crosslinked acrylic-cellulosic superabsorbent composite (SAPH-BAL) containing small amounts of specific nutrients integrated in the polymer matrix...
January 15, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29347959/influence-of-schistosoma-japonicum-programmed-cell-death-protein-10-on-the-growth-and-development-of-schistosomula
#20
Yan Ru Gao, Wen Ling Huang, Chun Lian Tang, Rong Liu, Qin Ping Zhao, Zhen Ping Ming, Hui Fen Dong
BACKGROUND: Schistosomiasis caused by Schistosoma japonicum is among the most serious endemic zoonoses in China. To study interactions between schistosomula, the pre-adult juvenile stage, and hosts, it is important to study the functions of key genes involved in schistosomula growth and development. Programmed cell death protein 10 (pcdp10) is an important apoptosis-related gene with various biological functions. This study described the molecular characterization of S. japonicum PCDP10 (SjPCDP10) and evaluated its functions in schistosomula...
January 18, 2018: Parasites & Vectors
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