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https://www.readbyqxmd.com/read/29793169/spontaneous-rise-in-open-rectangular-channels-under-gravity
#1
Vignesh Thammanna Gurumurthy, Ilia V Roisman, Cameron Tropea, Stephen Garoff
Fluid movement in microfluidic devices, porous media, and textured surfaces involves coupled flows over the faces and corners of the media. Spontaneous wetting of simple grooved surfaces provides a model system to probe these flows. This numerical study investigates the spontaneous rise of a liquid in an array of open rectangular channels under gravity, using the Volume-of-Fluid method with adaptive mesh refinement. The rise is characterized by the meniscus height at the channel center, outer face and the interior and exterior corners...
May 17, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29793164/childhood-socioeconomic-status-and-longitudinal-patterns-of-alcohol-problems-variation-across-etiological-pathways-in-genetic-risk
#2
Peter B Barr, Judy Silberg, Danielle M Dick, Hermine H Maes
Childhood socioeconomic status (SES) is an important aspect of early life environment associated with later life health/health behaviors, including alcohol misuse. However, alcohol misuse is modestly heritable and involves differing etiological pathways. Externalizing disorders show significant genetic overlap with substance use, suggesting an impulsivity pathway to alcohol misuse. Alcohol misuse also overlaps with internalizing disorders, suggesting alcohol is used to cope. These differing pathways could lead to different patterns over time and/or differential susceptibility to environmental conditions, such as childhood SES...
May 14, 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29793050/small-scale-managed-marine-areas-over-time-developments-and-challenges-in-a-local-fijian-reef-fishery
#3
Elodie Fache, Annette Breckwoldt
This paper investigates the Locally Managed Marine Area (LMMA) approach through looking at developments and challenges of community-based marine resource management over time, with a particular focus on Fiji in the South Pacific region. A diachronic perspective, based on two multi-method empirical studies, is used to exemplify the social complexities of the implementation of this LMMA approach in a specific island setting. This perspective connects local stakeholders' establishment and management of a LMMA covering their entire customary fishing rights area (iqoliqoli) with the national context articulated around the Fiji Locally Managed Marine Area (FLMMA) network, as well as with regional networking and international conservation dynamics...
May 21, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29792924/creation-of-an-acellular-vaginal-matrix-for-potential-vaginal-augmentation-and-cloacal-repair
#4
K V Greco, L G Jones, I Obiri-Yeboa, T Ansari
STUDY OBJECTIVE: our aim was to use porcine vagina to create a vaginal matrix and test its cellular biocompatibility. DESIGN: vagina was harvested from pigs and de-cellularised (DC) using a combination of detergents (Triton x-100 and sodium deoxycholate) and enzymes (DNAse/RNAse). INTERVENTIONS: the presence of cellular material, collagen structural integrity and basement membrane proteins were assessed histologically. To address cytocompatibility, porcine adipose derived-mesenchymal stem cells (AD-MSC) were harvested from abdominal fat together with vaginal epithelial cells (VEC) and seeded onto the mucosal aspect of the vaginal scaffold...
May 21, 2018: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/29792855/the-versatile-hippo-pathway-in-oral-maxillofacial-development-and-bone-remodeling
#5
REVIEW
Lin Xiang, Hui Yu, Xinyuan Zhang, Bin Wang, Ying Yuan, Qin Zhang, Rui Ye, Ping Gong, Yingying Wu
The Hipposignaling pathway is implicated in key aspects of cell proliferation, control of organ size, stem cell functions and tumor suppression. Its functions are primarily mediated either through direct effects on transcription factors to influence target gene expression or through crosstalk with other signaling pathways that regulate multiple physiological activities. Studies are revealing Hippo pathway involvement in diverse functions including renewal of intestinal epithelium, promotion of myocardial cell proliferation, cancer suppression, etc...
May 21, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29792834/improvement-of-esthetic-functional-and-social-well-being-after-orthognathic-surgical-intervention-a-sampling-of-postsurgical-patients-over-a-10-year-period-from-2007-to-2017
#6
Farhad Ghorbani, Hamed Gheibollahi, Saeid Tavanafar, Hamid Reza Eftekharian
PURPOSE: The objectives of this study were to evaluate the effect of orthognathic surgery on the long-term quality of life of patients who received this treatment and to delineate the common reasons for dissatisfaction. MATERIALS AND METHODS: In this retrospective cohort study, patients who underwent orthognathic surgery were studied. One hundred thirty-two patients who had undergone orthognathic surgery from 2007 to 2017 in the oral and maxillofacial surgery department participated in this study...
May 9, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29792819/distinct-mechanisms-of-transcription-initiation-by-rna-polymerases-i-and-ii
#7
Christoph Engel, Simon Neyer, Patrick Cramer
RNA polymerases I and II (Pol I and Pol II) are the eukaryotic enzymes that catalyze DNA-dependent synthesis of ribosomal RNA and messenger RNA, respectively. Recent work shows that the transcribing forms of both enzymes are similar and the fundamental mechanisms of RNA chain elongation are conserved. However, the mechanisms of transcription initiation and its regulation differ between Pol I and Pol II. Recent structural studies of Pol I complexes with transcription initiation factors provided insights into how the polymerase recognizes its specific promoter DNA, how it may open DNA, and how initiation may be regulated...
May 20, 2018: Annual Review of Biophysics
https://www.readbyqxmd.com/read/29792805/a-cheminformatic-insight-into-the-differences-between-terrestrial-and-marine-originated-natural-products
#8
Jun Shang, Ben Hu, Junmei Wang, Feng Zhu, Yu Kang, Dan Li, Huiyong Sun, De-Xin Kong, Tingjun Hou
This is a new golden age for the drug discovery based on natural products derived from both marine and terrestrial sources. Herein, a straightforward but important question is what are the major structural differences between marine natural products (MNPs) and terrestrial natural products (TNPs). To answer this question, we analyzed the important physicochemical properties, structural features and drug-likeness of the two types of natural products and discussed their differences from the perceptive of evolution...
May 24, 2018: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/29792771/is-blogging-a-new-form-of-communication-in-palliative-health-care-a-qualitative-research-study
#9
Anneli Ozanne, Ingela Henoch, Susann Strang
AIM: To illuminate experiences of living with life-threatening diseases as described in blogs and the experience of blogging about these matters. METHODS: A secondary analysis of 21 blogs was performed. RESULTS: It was difficult for bloggers to accept what they perceived to be the unacceptable aspects of having an life-threatening disease. They searched for hope and acceptance, and tried to manage their life. They felt strengthened by supportive encounters with health professionals, relatives, friends, and from their blogging...
May 2, 2018: International Journal of Palliative Nursing
https://www.readbyqxmd.com/read/29792734/clinical-updates-on-perianal-fistulas-in-crohn-s-disease
#10
Ori Rackovsky, Robert Hirten, Ryan Ungaro, Jean-Frederic Colombel
Perianal fistulizing disease is an aggressive and debilitating phenotype of Crohn's disease (CD), representing a significant therapeutic challenge. New work has led to advancement in epidemiology and long term outcomes of perianal disease. The range of therapeutic options continues to expand, including new biologic agents, biosimilars, and stem cell therapy. Areas covered: We discuss updates to all aspects of management of perianal disease, with a focus on the last three years of published data. Areas considered include new data on epidemiology and prognostication, medical and surgical therapy, and stem cell therapy...
May 24, 2018: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29792711/interfacial-emulsification-an-emerging-monodisperse-droplet-generation-method-for-microreactors-and-bioanalysis
#11
Shenglong Liao, Yi Tao, Wenbin Du, Yapei Wang
Generation of uniform droplets has been extensively investigated owing to its profound potentials both in scientific research and engineering applications. Although various methods have been put forward to expand this area, new innovations are still needed to improve the technical convenience and save instrumental cost. In this feature article, we highlight an Interfacial Emulsification technique that we developed in the past several years. This technique serves as a platform for preparing uniform droplets that are formed on the air-liquid interface of the continuous phase based on interfacial shearing...
May 24, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29792568/physical-ergonomics-awareness-in-an-offshore-processing-platform-among-malaysian-oil-and-gas-workers
#12
M Hafizul Hilmi, Raja Ariffin Raja Ghazilla
INTRODUCTION: The reliability of offshore oil and gas (O&G) facilities depend on the operation and maintenance activities, where human physical intervention is involved. Workers are often exposed to ergonomics hazards due to inefficient workplace design. Ergonomics awareness among workers is a crucial factor in mitigating such hazards. OBJECTIVES: This study intends to evaluate the state of physical ergonomics awareness among Malaysian O&G workers and to assess their perception towards the criticality of physical ergonomics issues within an offshore processing facility...
May 24, 2018: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/29792523/personality-homophily-and-geographic-distance-in-facebook
#13
Nyala Noë, Roger M Whitaker, Stuart M Allen
Personality homophily remains an understudied aspect of social networks, with the traditional focus concerning sociodemographic variables as the basis for assortativity, rather than psychological dispositions. We consider the effect of personality homophily on one of the biggest constraints to human social networks: geographic distance. We use the Big five model of personality to make predictions for each of the five facets: Openness to experience, Conscientiousness, Extraversion, Agreeableness, and Neuroticism...
May 24, 2018: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/29792522/love-sex-and-personality-pathology-a-life-history-view-of-personality-pathologies-and-sociosexuality
#14
Peter K Jonason, Virgil Zeigler-Hill, Talia Hashmani
Love and sex are fundamental needs of most people, yet little research has examined such aspects of life in relation to personality pathologies. We examined the associations between pathological personality traits (i.e., negative affectivity, disinhibition, antagonism, psychoticism, and detachment) and sociosexuality (i.e., short-term mating orientation, long-term mating orientation, and sexual behavior) among 702 university students. In addition, we examined the mediating role of life history speed and tested whether sex moderated the associations that these pathological personality traits had with sociosexuality...
May 24, 2018: Journal of Sex Research
https://www.readbyqxmd.com/read/29792518/it-is-the-family-context-that-matters-concurrent-and-predictive-effects-of-aspects-of-parent-child-interaction-on-video-gaming-related-problems
#15
Angel Yee-Lam Li, Barbara Chuen-Yee Lo, Cecilia Cheng
Studies have shown that children frequently experiencing poor parent-child interaction are prone to video gaming-related problems, but it is unclear which specific aspects of such an interaction play a predictive role in the problems. To extend previous research that relies primarily on the self-report method to assess parent-child interaction, we conducted a longitudinal, mixed-methods study. In a laboratory setting, three major aspects of interaction (i.e., affectivity, cohesiveness, and parental behavior) were observed in 241 parent-child dyads (Children: 43 percent female, age range = 8-15, Mage  = 12...
May 24, 2018: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/29792501/optimizing-the-length-width-and-balance-of-a-personality-scale-how-do-internal-characteristics-affect-external-validity
#16
Christopher J Soto, Oliver P John
How well can scores on a personality scale predict criteria such as behaviors and life outcomes? This question concerns external validity, which is a core aspect of personality assessment. The present research was conducted to examine how external validity is influenced by a trait scale's internal characteristics, such as its length (number of items), width (breadth of content), and balance (between positively and negatively keyed items). Participants completed the Big Five Inventory-2 (BFI-2), and were also assessed on a set of self-reported and peer-reported validity criteria...
May 24, 2018: Psychological Assessment
https://www.readbyqxmd.com/read/29792487/ethnic-racial-typicality-and-its-relation-to-ethnic-identity-and-psychological-functioning
#17
Lauren L Mitchell, Ummul-Kiram Kathawalla, Alex A Ajayi, Jillian Fish, Sarah C Nelson, Lovey H M Peissig, Moin Syed
OBJECTIVES: Ethnic identity development is considered a central task of adolescence and emerging adulthood for ethnic minority individuals. Although the process of developing a coherent ethnic identity has received attention from researchers, there has been little work done to elucidate the content of ethnic identity. This study uses an inductive mixed-methods approach to address 1 aspect of ethnic identity content: typicality, or the degree of perceived similarity individuals feel to their ethnic-racial group...
May 24, 2018: Cultural Diversity & Ethnic Minority Psychology
https://www.readbyqxmd.com/read/29792483/when-anger-expression-might-be-beneficial-for-african-americans-the-moderating-role-of-chronic-discrimination
#18
Jiyoung Park, Abdiel J Flores, Kirstin Aschbacher, Wendy Berry Mendes
OBJECTIVES: Anger expression is assumed to have mostly negative health effects. Yet, evidence is mixed on how anger expression influences African Americans' cardiovascular health. The present research aimed to clarify this link by examining moderating effects of chronic discrimination on the relationship between anger expression and cardiovascular risk among African Americans in experimental (Study 1) and epidemiological (Study 2) studies. METHOD: Study 1 examined how African Americans' trait anger expression was linked to (a) physiologic reactivity to acute social rejection during an interracial encounter (Session 1); and (b) total/HDL cholesterol assessed two months later (Session 2)...
May 24, 2018: Cultural Diversity & Ethnic Minority Psychology
https://www.readbyqxmd.com/read/29792470/the-science-of-teamwork-progress-reflections-and-the-road-ahead
#19
Eduardo Salas, Denise L Reyes, Susan H McDaniel
We need teams in nearly every aspect of our lives (e.g., hospitals, schools, flight decks, nuclear power plants, oil rigs, the military, and corporate offices). Nearly a century of psychological science has uncovered extensive knowledge about team-related processes and outcomes. In this article, we draw from the reviews and articles of this special issue to identify 10 key reflections that have arisen in the team literature, briefly summarized here. Team researchers have developed many theories surrounding the multilayered aspects of teams, such that now we have a solid theoretical basis for teams...
May 2018: American Psychologist
https://www.readbyqxmd.com/read/29792455/debunking-key-assumptions-about-teams-the-role-of-culture
#20
Jennifer Feitosa, Rebecca Grossman, Maritza Salazar
Scholars have argued that if psychologists are to gain a true understanding of human behavior, culture should be central to research and theory. The research on teams is an area where better integration between the mainstream and cross-cultural literatures is critically needed, given the increasing prevalence of multicultural teams. The purpose of this article is therefore to demonstrate how research focused on culture's influence on teams advances current mainstream theoretical understanding of team effectiveness...
May 2018: American Psychologist
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