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https://www.readbyqxmd.com/read/28351068/what-attitudes-and-values-are-incorporated-into-self-as-part-of-professional-identity-construction-when-becoming-a-surgeon
#1
Alexandra Cope, Jeff Bezemer, Stella Mavroveli, Roger Kneebone
PURPOSE: To make explicit the attitudes and values of a community of surgeons, with the aim of understanding professional identity construction within a specific group of residents. METHOD: Using a grounded theory method, the authors collected data from 16 postgraduate surgeons through interviews. They complemented these initial interview data with ethnographic observations and additional descriptive interviews to explore the attitudes and values learned by surgeons during residency training (2010-2013)...
April 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28350992/expression-of-circadian-core-clock-genes-in-fibroblasts-of-human-gingiva-and-periodontal-ligament-is-modulated-by-l-mimosine-and-hypoxia-in-monolayer-and-spheroid-cultures
#2
Klara Janjić, Christoph Kurzmann, Andreas Moritz, Hermann Agis
OBJECTIVE: The circadian clock is involved in a plethora of physiological processes including bone formation and tooth development. While expression of circadian core clock genes was observed in various tissues, their role in the periodontium is unclear. We hypothesized that periodontal cells express circadian core clock genes and that their levels are modulated by hypoxia mimetic agents and hypoxia. MATERIAL AND METHODS: Fibroblasts of human gingiva (GF) and periodontal ligament (PDLF) in monolayer and spheroid cultures were treated with the hypoxia mimetic agent L-Mimosine (L-MIM) or hypoxia...
March 14, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28350798/research-priorities-for-harnessing-plant-microbiomes-in-sustainable-agriculture
#3
Posy E Busby, Chinmay Soman, Maggie R Wagner, Maren L Friesen, James Kremer, Alison Bennett, Mustafa Morsy, Jonathan A Eisen, Jan E Leach, Jeffery L Dangl
Feeding a growing world population amidst climate change requires optimizing the reliability, resource use, and environmental impacts of food production. One way to assist in achieving these goals is to integrate beneficial plant microbiomes-i.e., those enhancing plant growth, nutrient use efficiency, abiotic stress tolerance, and disease resistance-into agricultural production. This integration will require a large-scale effort among academic researchers, industry researchers, and farmers to understand and manage plant-microbiome interactions in the context of modern agricultural systems...
March 2017: PLoS Biology
https://www.readbyqxmd.com/read/28350785/the-picture-study-diagnostic-accuracy-of-multiparametric-mri-in-men-requiring-a-repeat-prostate-biopsy
#4
Lucy A M Simmons, Abi Kanthabalan, Manit Arya, Tim Briggs, Dean Barratt, Susan C Charman, Alex Freeman, James Gelister, David Hawkes, Yipeng Hu, Charles Jameson, Neil McCartan, Caroline M Moore, Shonit Punwani, Navin Ramachandran, Jan van der Meulen, Mark Emberton, Hashim U Ahmed
BACKGROUND: Transrectal prostate biopsy has limited diagnostic accuracy. Prostate Imaging Compared to Transperineal Ultrasound-guided biopsy for significant prostate cancer Risk Evaluation (PICTURE) was a paired-cohort confirmatory study designed to assess diagnostic accuracy of multiparametric magnetic resonance imaging (mpMRI) in men requiring a repeat biopsy. METHODS: All underwent 3 T mpMRI and transperineal template prostate mapping biopsies (TTPM biopsies)...
March 28, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28350494/expanding-the-link-between-out-group-threats-and-in-group-behavior-a-reply-to-kavaliers-and-choleris
#5
Andrew N Radford, Rick Bruintjes
In social species, groups and their members face a variety of threats from conspecific outsiders. Such out-group conflict is predicted to influence within-group behavior, with empirical work demonstrating this link in humans, primates, and birds. In our note "Out-Group Threat Promotes Within-Group Affiliation in a Cooperative Fish," appearing in The American Naturalist in February 2016, we provided experimental evidence that simulated territorial intrusions result in subsequent increases in affiliation among groupmates in a cichlid fish (Neolamprologus pulcher)...
April 2017: American Naturalist
https://www.readbyqxmd.com/read/28350466/wrapping-aligned-carbon-nanotube-composite-sheets-around-vanadium-nitride-nanowire-arrays-for-asymmetric-coaxial-fiber-shaped-supercapacitors-with-ultrahigh-energy-density
#6
Qichong Zhang, Xiaona Wang, Zhenghui Pan, Juan Sun, Jingxin Zhao, Jun Zhang, Cuixia Zhang, Lei Tang, Jie Luo, Bin Song, Zengxing Zhang, Weibang Lu, Qingwen Li, Yuegang Zhang, Yagang Yao
The emergence of fiber-shaped supercapacitors (FSSs) has led to a revolution in portable and wearable electronic devices. However, obtaining high energy density FSSs for practical applications is still a key challenge. This article exhibits a facile and effective approach to directly growth well-aligned three-dimensional vanadium nitride (VN) nanowire arrays (NWAs) on carbon nanotube (CNT) fiber with an ultrahigh specific capacitance of 715 mF/cm2 in a three-electrode system. Benefiting from their intriguing structural features, we successfully fabricated a prototype asymmetric coaxial FSS (ACFSS) with a maximum operating voltage of 1...
March 28, 2017: Nano Letters
https://www.readbyqxmd.com/read/28346931/compositional-analysis-and-metabolism-of-human-milk-oligosaccharides-in-infants
#7
Clemens Kunz, Silvia Rudloff
It is a great success that biotechnological means are available today to produce amounts of single human milk oligosaccharides (HMOs) in a purity which allows performing metabolic and functional studies even in humans. As recent data indicate that there is a link between the Lewis blood group and the secretor status of an individual and certain inflammatory diseases, this review will also focus on the metabolic fate of secretor- and Lewis blood group-specific components. We conclude that there is no simple urinary or fecal excretion pattern of HMOs, although the pattern in urine often reflects the mother's secretor/nonsecretor status...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28346914/top-prospective-evaluation-of-a-volume-based-computer-assisted-method-for-transperineal-optimized-prostate-biopsy
#8
Claudia Kesch, Jan Philipp Radtke, Ionel Valentin Popeneciu, Claudia Gasch, Svenja C Dieffenbacher, Tilman Klein, Heinz-Peter Schlemmer, Kathrin Wieczorek, Pawel Zogal, Markus Hohenfellner, Georgios Sakas, Boris Alexander Hadaschik
OBJECTIVE: This study is a prospective evaluation of a volume-based, computer-assisted method for transperineal optimized prostate (TOP) biopsy. The TOP algorithm automates core planning for systematic prostate biopsies using the 3-dimensional organ contour and an alterable volume for tumors to be excluded. SUBJECTS AND METHODS: MRI-transrectal ultrasound fusion biopsy with MRI-targeted biopsies (TBs) and systematic-TOP biopsies were performed on 172 men between October 2013 and March 2014...
March 28, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28346908/different-effects-of-biochar-and-a-nitrification-inhibitor-application-on-paddy-soil-denitrification-a-field-experiment-over-two-consecutive-rice-growing-seasons
#9
Shuwei Wang, Jun Shan, Yongqiu Xia, Quan Tang, Longlong Xia, Jinghui Lin, Xiaoyuan Yan
Biochar and nitrification inhibitors are increasingly being proposed as amendments to improve nitrogen use efficiency (NUE). However, their effects on soil denitrification and the major N loss in rice paddies over an entire rice-growing season are not well understood. In this study, using intact soil core incubation combined with N2/Ar technique, the impacts of biochar and a nitrification inhibitor (Ni), 2-chloro-6-(trichloromethyl)-pyridine, on rice yield and soil denitrification, as well as ammonia (NH3) volatilization, were investigated over two rice-growing seasons in the Taihu Lake region of China...
March 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28346847/does-acute-normobaric-hypoxia-induce-anapyrexia-in-adult-humans
#10
Yongsuk Seo, Hayden D Gerhart, Jeremiah Vaughan, Jung-Hyun Kim, Ellen L Glickman
Seo, Yongsuk, Hayden D. Gerhart, Jeremiah Vaughan, Jung-Hyun Kim, and Ellen L. Glickman. Does acute normobaric hypoxia induce anapyrexia in adult humans? High Alt Med Biol 00:000-000, 2017.-Exposure to hypoxia is known to induce a reduction in core body temperature as a protective mechanism, which has been shown in both animals and humans. The purpose of this study was to test if acute exposure to normobaric hypoxia (NH) induces anapyrexia in adult humans in association with decreased peripheral oxygen saturation (SpO2)...
March 27, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28346786/break-down-in-order-to-build-up-decomposing-small-molecules-for-fragment-based-drug-design-with-emolfrag
#11
Tairan Liu, Misagh Naderi, Chris Alvin, Supratik Mukhopadhyay, Michal Brylinski
Constructing high-quality libraries of molecular building blocks is essential for successful fragment-based drug discovery. In this communication, we describe eMolFrag, a new open-source software to decompose organic compounds into non-redundant fragments retaining molecular connectivity information. Given a collection of molecules, eMolFrag generates a set of unique fragments comprising larger moieties, bricks, and smaller linkers connecting bricks. These building blocks can subsequently be used to construct virtual screening libraries for targeted drug discovery...
March 27, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28346770/a-core-outcome-set-for-localised-prostate-cancer-effectiveness-trials
#12
Steven MacLennan, Paula R Williamson, Hanneke Bekema, Marion Campbell, Craig Ramsay, James N'Dow, Sara MacLennan, Luke Vale, Philipp Dahm, Nicolas Mottet, Thomas Lam, Paul Abel, Hashim U Ahmed, Gary Akehurst, Robert Almquist, Karl Beck, David Budd, Steven Canfield, James Catto, Philip Cornford, William Cross, Alexander Ewen, Judith Grant, Rakesh Heer, David Hurst, Rob Jones, Roger Kockelbergh, Andrew Mackie, Graham MacDonald, Alan McNeill, Malcolm Mason, Sam McClinton, Duncan McLaren, Hugh Mostafid, Ian Pearce, Linda Pennet, Justine Royle, Hans Schreuder, Grant D Stewart, Henk van der Poel, Kevin Wardlaw, Thomas Wiegel
OBJECTIVE: To develop a core outcome set (COS) applicable for effectiveness trials of all interventions for localised prostate cancer. BACKGROUND: Many treatments exist for localised prostate cancer, although it is unclear which offers the optimal therapeutic ratio. This is confounded by inconsistencies in the selection, definition, measurement and reporting of outcomes in clinical trials. SUBJECTS AND METHODS: A list of 79 outcomes was derived from a systematic review of published localised prostate cancer effectiveness studies and semi-structured interviews with 15 prostate cancer patients...
March 27, 2017: BJU International
https://www.readbyqxmd.com/read/28346623/family-medicine-maternity-care-call-to-action-moving-toward-national-standards-for-training-and-competency-assessment
#13
Susanna R Magee, W Suzanne Eidson-Ton, Larry Leeman, Michael Tuggy, Thomas O Kim, Melissa Nothnagle, Joseph Breuner, Mark Loafman
Maternity care is an integral part of family medicine, and the quality and cost-effectiveness of maternity care provided by family physicians is well documented. Considering the population health perspective, increasing the number of family physicians competent to provide maternity care is imperative, as is working to overcome the barriers discouraging maternity care practice. A standard that clearly defines maternity care competency and a systematic set of tools to assess competency levels could help overcome these barriers...
March 2017: Family Medicine
https://www.readbyqxmd.com/read/28346423/mob1-yap1-taz-nkx2-1-axis-controls-bronchioalveolar-cell-differentiation-adhesion-and-tumour-formation
#14
K Otsubo, H Goto, M Nishio, K Kawamura, S Yanagi, W Nishie, T Sasaki, T Maehama, H Nishina, K Mimori, T Nakano, H Shimizu, T W Mak, K Nakao, Y Nakanishi, A Suzuki
Mps One Binder Kinase Activator (MOB)1A/1B are core components of the Hippo pathway. These proteins, which coactivate LArge Tumour Suppressor homologue kinases, are also tumour suppressors. To investigate MOB1A/B's roles in normal physiology and lung cancer, we generated doxycycline (Dox)-inducible, bronchioalveolar epithelium-specific, null mutations of MOB1A/B in mice (SPC-rtTA/(tetO)7-Cre/Mob1a(flox/flox)/Mob1b(-/-); termed luMob1DKO mice). Most mutants (70%) receiving Dox in utero (luMob1DKO (E6.5-18.5) mice) died of hypoxia within 1 h post-birth...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28346368/pathophysiological-significance-of-dermatan-sulfate-proteoglycans-revealed-by-human-genetic-disorders
#15
REVIEW
Shuji Mizumoto, Tomoki Kosho, Shuhei Yamada, Kazuyuki Sugahara
The indispensable roles of dermatan sulfate-proteoglycans (DS-PGs) have been demonstrated in various biological events including construction of the extracellular matrix and cell signaling through interactions with collagen and transforming growth factor-β, respectively. Defects in the core proteins of DS-PGs such as decorin and biglycan cause congenital stromal dystrophy of the cornea, spondyloepimetaphyseal dysplasia, and Meester-Loeys syndrome. Furthermore, mutations in human genes encoding the glycosyltransferases, epimerases, and sulfotransferases responsible for the biosynthesis of DS chains cause connective tissue disorders including Ehlers-Danlos syndrome and spondyloepimetaphyseal dysplasia with joint laxity characterized by skin hyperextensibility, joint hypermobility, and tissue fragility, and by severe skeletal disorders such as kyphoscoliosis, short trunk, dislocation, and joint laxity...
March 27, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28346221/direct-nucleation-morphology-and-compositional-tuning-of-inas1-x-sb-x-nanowires-on-inas-111-b-substrates
#16
Luna Namazi, Sepideh Gorji Ghalamestani, Sebastian Lehmann, Reza R Zamani, Kimberly A Dick
III-V ternary nanowires are interesting due to the possibility of modulating their physical and material properties by tuning their material composition. Amongst them InAs1-x Sb x nanowires are good candidates for applications such as Infrared detectors. However, this material has not been grown directly from substrates, in a large range of material compositions. Since the properties of ternaries are alterable by tuning their composition, it is beneficial to gain access to a wide range of composition tunability...
April 21, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28346129/health-information-exchange-as-a-complex-and-adaptive-construct-scoping-review
#17
Ather Akhlaq, Aziz Sheikh, Claudia Pagliari
OBJECTIVE: To understand how the concept of Health Information Exchange (HIE) has evolved over time. METHODS:  Supplementary analysis of data from a systematic scoping review of definitions of HIE from 1900 to 2014, involving temporal analysis of underpinning themes. RESULTS: The search identified 268 unique definitions of HIE dating from 1957 onwards; 103 in scientific databases and 165 in Google. These contained consistent themes, representing the core concept of exchanging health information electronically, as well as fluid themes, reflecting the evolving policy, business, organisational and technological context of HIE (including the emergence of HIE as an organisational 'entity')...
January 25, 2017: Journal of Innovation in Health Informatics
https://www.readbyqxmd.com/read/28345916/molecular-mechanism-of-nucleotide-dependent-allosteric-regulation-in-amp-activated-protein-kinase
#18
Navjeet Ahalawat, Rajesh Kumar Murarka
The AMP-activated protein kinase (AMPK), a central enzyme in the regulation of energy homeostasis, is an important drug target for type 2 diabetes, obesity and cancer. Binding of adenosine nucleotides to the regulatory γ-subunit tightly regulates the activity of this enzyme. Though recent crystal structures of AMPK have provided important insights into the allosteric activation of AMPK, molecular details of the regulatory mechanism of AMPK activation is still elusive. Here, we have performed extensive all-atom molecular dynamics (MD) simulations and shown that the kinase domain (KD) and γ-subunit comes closer resulting in a more compact heterotrimeric AMPK complex in AMP-bound state compared to the ATP-bound state...
March 27, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28345887/from-detection-to-resection-photoacoustic-tomography-and-surgery-guidance-with-au-liposome-icg-nanoparticles-in-liver-cancer
#19
Tianpei Guan, Wenting Shang, Hui Li, Xin Yang, Chihua Fang, Jie Tian, Kun Wang
Conventional imaging methods encounter challenges in diagnosing liver cancer that is less than 10 mm and/or without typical hypervascular features. With deep penetration and high spatial resolution imaging capability, the emerging photoacoustic tomography may offer better diagnostic efficacy for non-invasive liver cancer detection. Moreover, near-infrared fluorescence imaging guided hepatectomy was proven to be able to identify nodules at millimeter level. Thus, suitable photoacoustic and fluorescence dual-modality imaging probe may benefit patients in early diagnosis and complete resection...
March 27, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28345859/aqueous-nanoparticle-polymer-solar-cells-the-effects-of-surfactant-concentration-and-processing-on-device-performance
#20
Fallon J M Colberts, Martijn M Wienk, René A J Janssen
Polymer solar cells based on PDPP5T and PCBM as donor and acceptor materials have been processed from aqueous nanoparticle miniemulsions. Careful monitoring and optimizing the concentration of free and surface-bound surfactants in the dispersion, by measuring the conductivity and zeta potential, is essential to avoid aggregation of nanoparticles at low concentration and de-wetting of the film at high concentration. The surfactant concentration is crucial for creating reproducible processing conditions that aid in further developing aqueous nanoparticle processed solar cells...
March 27, 2017: ACS Applied Materials & Interfaces
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