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https://www.readbyqxmd.com/read/29053720/vocalizations-of-adult-male-asian-koels-eudynamys-scolopacea-in-the-breeding-season
#1
Abdul Aziz Khan, Irfan Zia Qureshi
Defining the vocal repertoire provides a basis for understanding the role of acoustic signals in sexual and social interactions of an animal. The Asian koel (Eudynamys scolopacea) is a migratory bird which spends its summer breeding season in the plains of Pakistan. The bird is typically wary and secretive but produces loud and distinct calls, making it easily detected when unseen. Like the other birds in the wild, presumably Asian koels use their calls for social cohesion and coordination of different behaviors...
2017: PloS One
https://www.readbyqxmd.com/read/29053320/interplay-between-process-zone-and-material-heterogeneities-for-dynamic-cracks
#2
Fabian Barras, Philippe H Geubelle, Jean-François Molinari
Using an elastodynamic boundary integral formulation coupled with a cohesive model, we study the problem of a dynamic rupture front propagating along an heterogeneous plane. We show that small-scale heterogeneities facilitate the supershear transition of a mode-II crack. The elastic pulses radiated during front accelerations explain how microscopic variations of fracture toughness change the macroscopic rupture dynamics. Perturbations of dynamic fronts are then systematically studied with different microstructures and loading conditions...
October 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29052668/mussel-mimetic-hydrogels-with-defined-cross-linkers-achieved-via-controlled-catechol-dimerization-exhibiting-tough-adhesion-for-wet-biological-tissues
#3
Pengchao Zhao, Kongchang Wei, Qian Feng, Heng Chen, Dexter Siu Hong Wong, Xiaoyu Chen, Chia-Ching Wu, Liming Bian
The engineering of catechol-based hydrogels to bind to wet biological tissues with high adhesion energy remains a challenge. Herein, fast quinone-nucleophile coupling and dynamic boronate ester bond were used to enhance the interfacial adhesion and bulk cohesion of our dual-crosslinked hydrogels, respectively, for fabricating mussel-mimetic tough adhesives.
October 20, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29050422/effects-of-copper-ions-on-the-characteristics-of-egg-white-gel-induced-by-strong-alkali
#4
Yaoyao Shao, Yan Zhao, Mingsheng Xu, Zhangyi Chen, Shuzhen Wang, Yonggang Tu
This study investigated the effects of copper ions on egg white (EW) gel induced by strong alkali. Changes in gel characteristics were examined through texture profile analysis, scanning electron microscopy (SEM), and chemical methods. The value of gel strength reached its maximum when 0.1% copper ions was added. However, the lowest cohesiveness values were observed at 0.1%. The springiness of gel without copper ions was significantly greater than the gel with copper ions added. SEM results illustrated that the low concentration of copper ions contributes to a dense and uniform gel network, and an open matrix was formed at 0...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29049792/psychosocial-and-family-functioning-among-latino-youth-with-spina-bifida
#5
Jaclyn Lennon Papadakis, Laura Acevedo, Sonia Ramirez, Alexa Stern, Colleen F Driscoll, Grayson N Holmbeck
This study examined differences in psychosocial and family functioning between Latino and non-Latino Caucasian youth with spina bifida (SB), and examined family functioning as a predictor of youth psychosocial functioning as moderated by ethnicity. Participants were part of a larger, longitudinal study ( Devine, Holbein, Psihogios, Amaro, & Holmbeck, 2012 ) and included 74 non-Latino Caucasian youth with SB and 39 Latino youth with SB ( M age = 11.53, 52.2% female). Data were collected at Time 1 and 2 years later, and included questionnaire and observational data of psychosocial and family functioning...
July 17, 2017: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/29046398/paxillin-regulates-cell-polarization-and-anterograde-vesicle-trafficking-during-cell-migration
#6
Fatemeh Dubois, Kyle Alpha, Christopher E Turner
Cell polarization and directed migration play pivotal roles in diverse physiological and pathological processes. Herein, we identify new roles for paxillin-mediated HDAC6 inhibition in regulating key aspects of cell polarization in both 2D and 1D matrix environments. Paxillin, by modulating microtubule acetylation through HDAC6 regulation, was shown to control centrosome and Golgi reorientation towards the leading edge, a hallmark of cell polarization to ensure directed trafficking of promigratory factors. Paxillin was also required for pericentrosomal Golgi localization and centrosome cohesion, independent of its localization to, and role in, focal adhesion signaling...
October 18, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/29046222/a-social-network-analysis-of-the-goal-scoring-passing-networks-of-the-2016-european-football-championships
#7
Scott Mclean, Paul M Salmon, Adam D Gorman, Nicholas J Stevens, Colin Solomon
In the current study, social network analysis (SNA) and notational analysis (NA) methods were applied to examine the goal scoring passing networks (GSPN) for all goals scored at the 2016 European Football Championships. The aim of the study was to determine the GSPN characteristics for the overall tournament, between the group and knock out stages, and for the successful and unsuccessful teams. The study also used degree centrality (DC) metrics as a novel method to determine the relative contributions of the pitch locations involved in the GSPN...
October 16, 2017: Human Movement Science
https://www.readbyqxmd.com/read/29045807/evidence-reversal-when-new-evidence-contradicts-current-claims-a-systematic-overview-review
#8
REVIEW
Desirée Sutton, Riaz Qureshi, Janet Martin
OBJECTIVE: To explore the terminology and definitions surrounding the phenomenon of Evidence Reversal - which occurs when an existing claim is tested and the original evidence is contradicted by new and stronger evidence. STUDY DESIGN AND SETTING: For this overview systematic review, multiple medical and grey literature databases were systematically searched from inception to 2016 as well as hand searches of relevant journals, websites, blogs, article bibliographies, citing articles, and related articles...
October 15, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/29045450/the-genetics-and-development-of-mandibles-and-hypopharyngeal-sclerite-and-cornua-in-larvae-of-drosophila-gaucha
#9
Eduardo Alvarez, Francisco Del Pino, Lilian Jara, Raúl Godoy-Herrera
The genetics and epigenetic processes associated with morphological organization are a principal aim of biology, ranging from cohesion between cells to shape and size of organisms. We investigate the post-embryonic development of Hypopharyngeal sclerite and cornua HPC and mandibles M of Drosophila gaucha larva. Integrated functioning of these Cephalopharyngeal skeleton parts of D. gaucha larva is essential for food acquisition, participating in locomotion and microhabitat selection. We examined two isolates by recording the growth of the HPC and M every 24 h for 8 days in parental, F1, F2 and backcross larvae...
2017: PloS One
https://www.readbyqxmd.com/read/29044477/association-between-neighborhood-cohesion-and-self-neglect-in-chinese-american-older-adults
#10
Ailian Hei, XinQi Dong
OBJECTIVES: To examine the association between neighborhood cohesion and risk of self-neglect in a community-dwelling Chinese-American older population. SETTING: Community. PARTICIPANTS: Chinese-American older adults aged 60 and older interviewed from 2011 to 2013 (N = 3,159). DESIGN: Data were drawn from the Population Study of Chinese Elderly, a cross-sectional community-engaged study in the greater Chicago area...
October 17, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29044467/the-influence-of-text-cohesion-and-picture-detail-on-young-readers-knowledge-of-science-topics
#11
Juliette C Désiron, Erica de Vries, Anna N Bartel, Nalini Varahamurti
BACKGROUND AND AIM: The effects of text cohesion and added pictures on acquired knowledge have been heavily studied each in isolation. Furthermore, studies on the effects of specific characteristics of pictures, whether facilitating or hindering, are scarce. Schnotz's ITCP Model (2014) allows to formulate hypotheses regarding the combined effect of text cohesion and presence and level of detail of a picture. This study investigates these hypotheses in the case of children reading scientific texts...
October 16, 2017: British Journal of Educational Psychology
https://www.readbyqxmd.com/read/29043912/latina-young-adults-use-of-health-care-during-initial-months-in-the-united-states
#12
Frank R Dillon, Melissa M Ertl, Dylan A Corp, Rosa Babino, Mario De La Rosa
We examined social ecological predictors of health care utilization among Latina young adults during their initial year after immigration to the United States. Participants were 530 Latinas (ages 18-23) who immigrated to Miami-Dade County, Florida, 11.5 months before assessment. We used multiple logistic regression to test predictors of health care usage. Approximately 36% utilized care. Dimensions of marianismo differentially associated with usage. Usage also was more likely for participants who reported more social network attachment, better health, greater neighborhood cohesion, and possessed a job and health insurance...
October 18, 2017: Health Care for Women International
https://www.readbyqxmd.com/read/29043353/machine-learnt-bond-order-potential-to-model-metal-organic-co-c-heterostructures
#13
Badri Narayanan, Henry Chan, Alper Kinaci, Fatih G Sen, Stephen K Gray, Maria K Y Chan, Subramanian K R S Sankaranarayanan
A fundamental understanding of the inter-relationships between structure, morphology, atomic scale dynamics, chemistry, and physical properties of mixed metallic-covalent systems is essential to design novel functional materials for applications in flexible nano-electronics, energy storage and catalysis. To achieve such knowledge, it is imperative to develop robust and computationally efficient atomistic models that describe atomic interactions accurately within a single framework. Here, we present a unified Tersoff-Brenner type bond order potential (BOP) for a Co-C system, trained against lattice parameters, cohesive energies, equation of state, and elastic constants of different crystalline phases of cobalt as well as orthorhombic Co2C derived from density functional theory (DFT) calculations...
October 18, 2017: Nanoscale
https://www.readbyqxmd.com/read/29042720/microtensile-bond-strength-and-failure-modes-of-flowable-composites-on-primary-dentin-with-application-of-different-adhesive-strategies
#14
Simge Durmuşlar, Ayşegül Ölmez
BACKGROUND: Resin composite is an option for the restoration of primary teeth, and new materials with simplified procedures are increasingly being suggested. AIMS: This study aims to evaluate the microtensile bond strengths and fracture modes of flowable composites on primary dentin with application of different adhesive strategies. MATERIALS AND METHODS: Sixty extracted noncaries primary molars were abraded from buccal surfaces to expose dentin surface...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29041006/deciphering-the-social-organization-and-structure-of-wild-yunnan-snub-nosed-monkeys-rhinopithecus-bieti
#15
Cyril C Grueter, Dayong Li, Baoping Ren, Fuwen Wei, Ming Li
The social organization of natural groups of Rhinopithecus bieti (Yunnan snub-nosed monkey) is virtually unknown. We studied the demography and social structure of a free-ranging group at Samage Forest, China, for nearly 2 years. This study confirmed that R. bieti exhibits a multilevel social organization of core 1-male units (OMUs) that congregate in a band of >400 members. Even though the band appeared to be unified for the most part, we also witnessed occasional fission-fusion. OMUs were cohesive entities, and their members were spatially and socially isolated from members of other OMUs...
October 18, 2017: Folia Primatologica; International Journal of Primatology
https://www.readbyqxmd.com/read/29040345/eight-year-safety-data-for-round-and-anatomical-silicone-gel-breast-implants
#16
Franck Duteille, Pierre Perrot, Marie-Hélène Bacheley, Sharon Stewart
Background: The safety and efficacy of all medical devices, including breast implants, is important and consistent performance is best shown by undertaking long-term clinical and vigilance studies. Local complications such as capsular contracture and rupture are risks often associated with breast implant surgery. Objectives: The authors investigate and evaluate the safety and performance of Eurosilicone's (Eurosilicone S.A.S, Apt Cedex, France) Cristalline Paragel breast implants at 8 years postimplantation...
June 24, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29040315/individual-and-environmental-correlates-of-objectively-measured-sedentary-time-in-dutch-and-belgian-adults
#17
Femke van Nassau, Joreintje D Mackenbach, Sofie Compernolle, Ilse de Bourdeaudhuij, Jeroen Lakerveld, Hidde P van der Ploeg
As the detrimental health effects of sedentary behaviour are well established, insight into the individual and environmental factors that influence adults' sedentary behaviour is needed. Most studies to date rely on self-reported measures of sedentary time. Therefore, the aim of the current study was to examine individual and environmental correlates of objectively measured sedentary time in Dutch and Belgian adults. Between March and August 2014, Belgian (n = 133) and Dutch (n = 223) adults, recruited as sub-sample of the SPOTLIGHT survey, wore an ActiGraph accelerometer to provide objectively measured sedentary and moderate to vigorous physical activity time...
2017: PloS One
https://www.readbyqxmd.com/read/29040011/bioactive-edible-films-for-food-applications-influence-of-the-bioactive-compounds-on-film-structure-and-properties
#18
Nasreddine Benbettaïeb, Thomas Karbowiak, Frédéric Debeaufort
Nowadays, a new generation of edible films is being especially designed for incorporating antimicrobials, antioxidants, enzymes or functional ingredients. Edible films made from natural biopolymers become the focus of many research works as an alternative to synthetic food packaging due to their edibility, biodegradability and compostability as well as to their use as active packaging. Active compounds incorporated in edible films could protect foods against deterioration during storage and therefore extend their shelf life...
October 17, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29037765/mechanisms-causing-loss-of-keratinocyte-cohesion-in-pemphigus
#19
REVIEW
Volker Spindler, Rüdiger Eming, Enno Schmidt, Masayuki Amagai, Sergei Grando, Marcel F Jonkman, Andrew P Kowalczyk, Eliane J Müller, Aimee S Payne, Carlo Pincelli, Animesh A Sinha, Eli Sprecher, Detlef Zillikens, Michael Hertl, Jens Waschke
The autoimmune blistering skin disease pemphigus is caused by IgG autoantibodies against desmosomal cadherins, but the precise mechanisms are in part a matter of controversial discussions. This review focuses on the currently existing models of the disease and highlights the relevance of desmoglein-specific versus nondesmoglein autoantibodies, the contribution of nonautoantibody factors, and the mechanisms leading to cell dissociation and blister formation in response to autoantibody binding. As the review brings together the majority of laboratories currently working on pemphigus pathogenesis, it aims to serve as a solid basis for further investigations for the entire field...
October 13, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29037158/genomic-divergence-and-cohesion-in-a-species-of-pelagic-freshwater-bacteria
#20
Matthias Hoetzinger, Martin W Hahn
BACKGROUND: In many prokaryotic genera a clustered phylogeny is observed, akin to the occurrence of species in sexually reproducing organisms. For some taxa, homologous recombination has been invoked as the underlying mechanism providing genomic cohesion among conspecific individuals. Whether this mechanism is applicable to prokaryotes in freshwaters with low habitat connectivity - i.e. elevated geographic barriers to gene flow - is unclear. To investigate further we studied genomic trends within the globally abundant PnecC cluster (genus Polynucleobacter, Betaproteobacteria) and analyzed homologous recombination within the affiliated species P...
October 16, 2017: BMC Genomics
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