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https://www.readbyqxmd.com/read/29345477/an-exploratory-study-of-stress-and-coping-among-black-college-men
#1
Janelle R Goodwill, Daphne C Watkins, Natasha C Johnson, Julie Ober Allen
Research on coping mechanisms among Black Americans is robust, yet there is a dearth of studies that use qualitative approaches to examine coping specifically among young Black men. The current and historical landscape of race relations in the United States calls for additional concern and exploration of this topic. To fill gaps in this area, this study uncovered the ways Black college men cope with various stressors that impact their mental health. Eleven qualitative interviews were conducted with 18- to 25-year-old Black men enrolled at a college in the Midwest who participated in the Young Black Men, Masculinities, and Mental Health (YBMen) project...
January 18, 2018: American Journal of Orthopsychiatry
https://www.readbyqxmd.com/read/29344084/the-strengths-and-difficulties-questionnaire-sdq-in-africa-a-scoping-review-of-its-application-and-validation
#2
REVIEW
Nikhat Hoosen, Eugene Lee Davids, Petrus J de Vries, Maylene Shung-King
Background: Child and adolescent mental health in Africa remains largely neglected. Quick and cost-effective ways for early detection may aid early intervention. The Strengths and Difficulties Questionnaire (SDQ) is globally used to screen for mental health problems, but little is known about its use in Africa. We set out to perform a scoping review to examine existing studies that have used the SDQ in Africa. Methods: A comprehensive scoping review methodology was used to identify all peer-reviewed studies ever published that have used the SDQ in Africa...
2018: Child and Adolescent Psychiatry and Mental Health
https://www.readbyqxmd.com/read/29343845/metal-free-magnetism-spin-dependent-seebeck-effect-and-spin-seebeck-diode-effect-in-armchair-graphene-nanoribbons
#3
Xiao-Qin Tang, Xue-Mei Ye, Xing-Yi Tan, Da-Hua Ren
Metal-free magnetism and spin caloritronics are at the forefront of condensed-matter physics. Here, the electronic structures and thermal spin-dependent transport properties of armchair graphene nanoribbons (N-AGNRs), where N is the ribbon width (N = 5-23), are systematically studied. The results show that the indirect band gaps exhibit not only oscillatory behavior but also periodic characteristics with E 3p  > E3p+1 > E3p+2 (E 3p , E3p+1 and E3p+2 are the band gaps energy) for a certain integer p, with increasing AGNR width...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343735/increasing-conversion-efficiency-of-two-step-photon-up-conversion-solar-cell-with-a-voltage-booster-hetero-interface
#4
Shigeo Asahi, Kazuki Kusaki, Yukihiro Harada, Takashi Kita
Development of high-efficiency solar cells is one of the attractive challenges in renewable energy technologies. Photon up-conversion can reduce the transmission loss and is one of the promising concepts which improve conversion efficiency. Here we present an analysis of the conversion efficiency, which can be increased by up-conversion in a single-junction solar cell with a hetero-interface that boosts the output voltage. We confirm that an increase in the quasi-Fermi gap and substantial photocurrent generation result in a high conversion efficiency...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343213/the-community-is-just-a-small-circle-citizen-participation-in-the-free-maternal-and-child-healthcare-programme-of-enugu-state-nigeria
#5
Daniel C Ogbuabor, Obinna E Onwujekwe
BACKGROUND: There is a gap in knowledge about how citizen participation impacts governance of free healthcare policies for universal health coverage in low- and middle-income countries. OBJECTIVE: This study provides evidence about how social accountability initiatives influenced revenue generation, pooling and fund management, purchasing and capacity of health facilities implementing the free maternal and child healthcare programme (FMCHP) in Enugu State, Nigeria...
2018: Global Health Action
https://www.readbyqxmd.com/read/29341967/new-modalities-for-the-administration-of-inhaled-nitric-oxide-in-intensive-care-units-after-cardiac-surgery-or-for-neonatal-indications-a-prospective-observational-study
#6
Philippe Gaudard, Claudio Barbanti, Bertrand Rozec, Philippe Mauriat, Mimoun M'rini, Gilles Cambonie, Jean Michel Liet, Claude Girard, Pierre Louis Leger, Ziad Assaf, Pierre Damas, Gauthier Loron, Laurent Lecourt, Julien Amour, Philippe Pouard
BACKGROUND: Nitric oxide (NO) has a well-known efficacy in pulmonary hypertension (PH), with wide use for 20 years in many countries. The objective of this study was to describe the current use of NO in real life and the gap with the guidelines. METHODS: This is a multicenter, prospective, observational study on inhaled NO administered through an integrated delivery and monitoring device and indicated for PH according to the market authorizations. The characteristics of NO therapy and ventilation modes were observed...
January 16, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29341859/an-indoor-air-quality-evaluation-in-a-residential-retrofit-project-using-spray-polyurethane-foam
#7
Shen Tian, Scott Ecoff, John Sebroski, Jason Miller, Harold Rickenbacker, Melissa Bilec
Understanding of indoor air quality (IAQ) during and after spray polyurethane foam (SPF) application is essential to protect the health of both workers and building occupants. Previous efforts such as field monitoring, micro-chamber/spray booth emission studies and fate/transport modeling have been conducted to understand the chemical exposure of SPF and guide risk mitigation strategies. However, each type of research has its limitation and can only reveal partial information on the relationship between SPF and IAQ...
January 17, 2018: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/29341175/investigation-of-the-axial-gap-clearance-in-a-hydrodynamic-passive-magnetically-levitated-rotary-blood-pump-using-x-ray-radiography
#8
Bente Thamsen, Mathieu Plamondon, Marcus Granegger, Marianne Schmid Daners, Rolf Kaufmann, Antonia Neels, Mirko Meboldt
The HeartWare HVAD is a radial rotary blood pump with a combination of passive magnetic and hydrodynamic bearings to levitate the impeller. The axial gap size between impeller and housing in this bearing and its sensitivity to speed, flow, and pressure difference is difficult to assess. Shear stresses are exceptionally high in this tiny gap making it important for blood damage and related adverse events. Therefore, the aim of this study was to measure the axial gap clearance in the HVAD at different operating conditions employing radiography...
January 17, 2018: Artificial Organs
https://www.readbyqxmd.com/read/29340632/developing-a-set-of-indicators-to-monitor-quality-in-ambulatory-diabetes-care-using-a-modified-delphi-panel-process
#9
Geetha Mukerji, Ilana Halperin, Katie Hunter, Phillip Segal, Maria Wolfs, Lindsay Bevan, Lianne Jeffs, Jeannette Goguen
Objective: There is a large evidence to practice gap in diabetes care with limited performance assessments that capture the full spectrum of care delivery. Our study aimed to develop a set of ambulatory diabetes quality indicators across six domains (effectiveness, safety, patient-centered, timely, equitable and efficient) to provide a broad view of quality. Design: A modified Delphi panel process was conducted. Phase I involved compiling a list of indicators through literature review and generation of patient and healthcare provider-derived indicators through interviews and surveys, respectively...
January 11, 2018: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/29339505/nonenzymatic-release-of-n7-methylguanine-channels-repair-of-abasic-sites-into-an-ap-endonuclease-independent-pathway-in-arabidopsis
#10
Casimiro Barbado, Dolores Córdoba-Cañero, Rafael R Ariza, Teresa Roldán-Arjona
Abasic (apurinic/apyrimidinic, AP) sites in DNA arise from spontaneous base loss or by enzymatic removal during base excision repair. It is commonly accepted that both classes of AP site have analogous biochemical properties and are equivalent substrates for AP endonucleases and AP lyases, although the relative roles of these two types of enzymes are not well understood. We provide here genetic and biochemical evidence that, in Arabidopsis, AP sites generated by spontaneous loss of N7-methylguanine (N7-meG) are exclusively repaired through an AP endonuclease-independent pathway initiated by FPG, a bifunctional DNA glycosylase with AP lyase activity...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29339481/repetitive-aggressive-encounters-generate-a-long-lasting-internal-state-in-drosophila-melanogaster-males
#11
Yong-Kyu Kim, Mathias Saver, Jasper Simon, Clement F Kent, Lisha Shao, Mark Eddison, Pavan Agrawal, Michael Texada, James W Truman, Ulrike Heberlein
Multiple studies have investigated the mechanisms of aggressive behavior in Drosophila; however, little is known about the effects of chronic fighting experience. Here, we investigated if repeated fighting encounters would induce an internal state that could affect the expression of subsequent behavior. We trained wild-type males to become winners or losers by repeatedly pairing them with hypoaggressive or hyperaggressive opponents, respectively. As described previously, we observed that chronic losers tend to lose subsequent fights, while chronic winners tend to win them...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29338570/a-novel-rubric-to-evaluate-wearable-cameras-for-assessment-of-interrater-reliability
#12
Amanda C Jozkowski, Echo A Presgraves, Krista L Hodges, Erica N Wirth, Nicole E Brandstetter, Molly T Thayer
Research has reported on traditional methods of assessing interrater reliability but, currently, no such standard protocol exists for selection of alternative methods of assessing interrater reliability, such as wearable video cameras. The professions of occupational therapy and occupational science take a unique ecological perspective when evaluating individuals, which focuses on the naturalistic perspective of an individual, ideally resulting in optimal performance. Given current advancements in technology, wearable, low-cost, unobtrusive, first-person view digital video cameras are readily available for use in research...
January 1, 2018: OTJR: Occupation, Participation and Health
https://www.readbyqxmd.com/read/29337385/orientation-dependent-strain-relaxation-and-chemical-functionalization-of-graphene-on-a-cu-111-foil
#13
Bao-Wen Li, Da Luo, Liyan Zhu, Xu Zhang, Sunghwan Jin, Ming Huang, Feng Ding, Rodney S Ruoff
Epitaxial graphene grown on single crystal Cu(111) foils by chemical vapor deposition is found to be free of wrinkles and under biaxial compressive strain. The compressive strain in the epitaxial regions (0.25-0.40%) is higher than regions where the graphene is not epitaxial with the underlying surface (0.20-0.25%). This orientation-dependent strain relaxation is through the loss of local adhesion and the generation of graphene wrinkles. Density functional theory calculations suggest a large frictional force between the epitaxial graphene and the Cu(111) substrate, and this is therefore an energy barrier to the formation of wrinkles in the graphene...
January 16, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29337313/complete-genome-sequencing-of-the-luminescent-bacterium-vibrio-qinghaiensis-sp-q67-using-pacbio-technology
#14
Liang Gong, Yu Wu, Qijie Jian, Chunxiao Yin, Taotao Li, Vijai Kumar Gupta, Xuewu Duan, Yueming Jiang
Vibrio qinghaiensis sp.-Q67 (Vqin-Q67) is a freshwater luminescent bacterium that continuously emits blue-green light (485 nm). The bacterium has been widely used for detecting toxic contaminants. Here, we report the complete genome sequence of Vqin-Q67, obtained using third-generation PacBio sequencing technology. Continuous long reads were attained from three PacBio sequencing runs and reads >500 bp with a quality value of >0.75 were merged together into a single dataset. This resultant highly-contiguous de novo assembly has no genome gaps, and comprises two chromosomes with substantial genetic information, including protein-coding genes, non-coding RNA, transposon and gene islands...
January 16, 2018: Scientific Data
https://www.readbyqxmd.com/read/29337274/species-delimitation-of-the-north-american-orchard-spider-leucauge-venusta-walckenaer-1841-araneae-tetragnathidae
#15
Jesús A Ballesteros, Gustavo Hormiga
The orchard spider, Leucauge venusta (Walckenaer, 1841) is one of the most common and abundant orb-weavers in North America. This species has a broad geographic distribution extending across tropical and temperate regions of the Americas from Canada to Brazil. Guided by a preliminary observation of the barcode gap between sequences from specimens of L. venusta collected in Florida and other North American localities, we collected across a transect through southeastern states of the USA to investigate the observed genetic divide...
January 11, 2018: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29336517/environmental-sequencing-fills-the-gap-between-parasitic-haplosporidians-and-free-living-giant-amoebae
#16
Georgia M Ward, Sigrid Neuhauser, René Groben, Stefan Ciaghi, Cédric Berney, Sarah Romac, David Bass
Class Ascetosporea (Rhizaria; Endomyxa) comprises many parasites of invertebrates. Within this group, recent group-specific environmental DNA (eDNA) studies have contributed to the establishment of the new order Mikrocytida, a new phylogeny and characterisation of Paramyxida, and illuminated the diversity and distribution of haplosporidians. Here we use general and lineage-specific PCR primers to investigate the phylogenetic 'gap' between haplosporidians and their closest known free-living relatives, the testate amoeba Gromia and reticulate amoeba Filoreta...
January 16, 2018: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/29335877/development-of-cyclic-amp-receptor-protein-based-artificial-transcription-factor-for-intensifying-gene-expression
#17
Peng Zhao, Wenjuan Wang, Pingfang Tian
Vector-dependent gene overexpression typically relies on an efficient operon and sufficient RNA polymerases (RNAPs). The lac (lactose) operon is a paradigm of transcription control, and cyclic AMP receptor protein (CRP) is a global regulator capable of recruiting RNAPs. However, the gap between lac operon and CRP has not been well bridged. In this work, CRP was fused to lac repressor protein (lacI) to form an artificial transcription factor (ATF) with the expectation that when LacI acted on the lacO-positioned upstream of gene of interest, the LacI-tethered CRP would trap RNAPs and thus improve the expression of PuuC, an aldehyde dehydrogenase catalyzing 3-hydroxypropionaldehyde (3-HPA) to 3-hydroxypropionic acid (3-HP) in Klebsiella pneumoniae...
January 16, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29335516/an-evaluation-of-the-effect-of-pulse-shape-on-grey-and-white-matter-stimulation-in-the-rat-brain
#18
Marjolijn Deprez, Kelly Luyck, Laura Luyten, Tim Tambuyzer, Bart Nuttin, Myles Mc Laughlin
Despite the current success of neuromodulation, standard biphasic, rectangular pulse shapes may not be optimal to achieve symptom alleviation. Here, we compared stimulation efficiency (in terms of charge) between complex and standard pulses in two areas of the rat brain. In motor cortex, Gaussian and interphase gap stimulation (IPG) increased stimulation efficiency in terms of charge per phase compared with a standard pulse. Moreover, IPG stimulation of the deep mesencephalic reticular formation in freely moving rats was more efficient compared to a standard pulse...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29332998/high-pressure-epr-spectroscopy-studies-of-the-e-coli-lipopolysaccharide-transport-proteins-lpta-and-lptc
#19
Kathryn M Schultz, Candice S Klug
The use of pressure is an advantageous approach to the study of protein structure and dynamics because it can shift the equilibrium populations of protein conformations toward higher energy states that are not of sufficient population to be observable at atmospheric pressure. Recently, the Hubbell group at the University of California, Los Angeles, reintroduced the application of high pressure to the study of proteins by electron paramagnetic resonance (EPR) spectroscopy. This methodology is possible using X-band EPR spectroscopy due to advances in pressure intensifiers, sample cells, and resonators...
December 2017: Applied Magnetic Resonance
https://www.readbyqxmd.com/read/29331276/analyzing-recommender-systems-for-health-promotion-using-a-multidisciplinary-taxonomy-a-scoping-review
#20
Santiago Hors-Fraile, Octavio Rivera-Romero, Francine Schneider, Luis Fernandez-Luque, Francisco Luna-Perejon, Anton Civit-Balcells, Hein de Vries
BACKGROUND: Recommender systems are information retrieval systems that provide users with relevant items (e.g., through messages). Despite their extensive use in the e-commerce and leisure domains, their application in healthcare is still in its infancy. These systems may be used to create tailored health interventions, thus reducing the cost of healthcare and fostering a healthier lifestyle in the population. OBJECTIVE: This paper identifies, categorizes, and analyzes the existing knowledge in terms of the literature published over the past 10 years on the use of health recommender systems for patient interventions...
December 28, 2017: International Journal of Medical Informatics
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