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Adaptive design

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https://www.readbyqxmd.com/read/28441672/how-to-lead-the-way-through-complexity-constraint-and-uncertainty-in-academic-health-science-centers
#1
Susan J Lieff, Francis J Yammarino
Academic medicine is in an era of unprecedented and constant change due to fluctuating economies, globalization, emerging technologies, research, and professional and educational mandates. Consequently, academic health science centers (AHSCs) are facing new levels of complexity, constraint, and uncertainty. Currently, AHSC leaders work with competing academic and health service demands and are required to work with and are accountable to a diversity of stakeholders. Given the new challenges and emerging needs, the authors believe the leadership methods and approaches AHSCs have used in the past that led to successes will be insufficient...
May 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28441344/collagenous-extracellular-matrix-biomaterials-for-tissue-engineering-lessons-from-the-common-sea-urchin-tissue
#2
REVIEW
Kheng Lim Goh, David F Holmes
Scaffolds for tissue engineering application may be made from a collagenous extracellular matrix (ECM) of connective tissues because the ECM can mimic the functions of the target tissue. The primary sources of collagenous ECM material are calf skin and bone. However, these sources are associated with the risk of having bovine spongiform encephalopathy or transmissible spongiform encephalopathy. Alternative sources for collagenous ECM materials may be derived from livestock, e.g., pigs, and from marine animals, e...
April 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28441104/gestalt-intervention-groups-for-anxious-parents-in-hong-kong-a-quasi-experimental-design
#3
Grace Suk Man Leung, Su Hean Khor
This study examined the impact of gestalt intervention groups for anxious Chinese parents in Hong Kong. A non-randomized control group pre-test/post-test design was adopted. A total of 156 parents participated in the project. After 4 weeks of treatment, the intervention group participants had lower anxiety levels, less avoidance of inner experiences, and more kindness towards oneself and mindfulness when compared to control group participants. However, the dimension of self-judgment remained unchanged. The adaptation of gestalt intervention to suit the Chinese culture was discussed...
April 25, 2017: Journal of Evidence-informed Social Work
https://www.readbyqxmd.com/read/28440957/the-role-of-high-throughput-screening-in-ecotoxicology-and-engineered-nanomaterials
#4
REVIEW
Andrew Barrick, Amélie Châtel, Mélanie Bruneau, Catherine Mouneyrac
The field of environmental toxicology developed as a result of growing concerns about anthropogenic influences on the environment and how to ameliorate ecological impact. Many governmental bodies are beginning to emphasize prevention rather than mitigation when addressing novel products, leading to more of a focus on identifying potential toxicity prior to release. With the exponential advances in their development and sale, novel metamaterials and biotechnology are set to dramatically outpace the capabilities of current testing strategies...
April 25, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28440861/findings-from-the-families-on-track-intervention-pilot-trial-for-children-with-fetal-alcohol-spectrum-disorders-and-their-families
#5
Christie L M Petrenko, Mary E Pandolfino, Luther K Robinson
BACKGROUND: Individuals with fetal alcohol spectrum disorders (FASD) are at high risk for costly, debilitating mental health problems and secondary conditions, such as school disruption, trouble with the law, and substance use. The study objective was to pilot a multi-component intervention designed to prevent secondary conditions in children with FASD and improve family adaptation. METHODS: Thirty children with FASD or prenatal alcohol exposure (PAE) (ages 4 to 8) and their primary caregivers were enrolled...
April 25, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28440340/comparative-genomics-and-metabolomics-analyses-of-the-adaptation-mechanism-in-ketogulonicigenium-vulgare-bacillus-thuringiensis-consortium
#6
Nan Jia, Ming-Zhu Ding, Yang Zou, Feng Gao, Ying-Jin Yuan
Adaptive evolution by serial subcultivation of co-cultured Bacillus thuringiensis and Ketogulonicigenium vulgare significantly enhanced the productivity of 2-keto-L-gulonic acid in two-step vitamin C production. The adaptation mechanism in K. vulgare-B. thuringiensis consortium was investigated in this study based on comparative genomics and metabolomics studies. It was found that the growth, anti-oxidation, transcription and regulation were significantly enhanced in the adapted consortium. The mutation of the genes, which encode amidohydrolase in adapted K...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28440024/immediate-and-delayed-loading-of-two-piece-reduced-diameter-implants-with-locator-analog-attachments-in-edentulous-mandibles-one-year-results-from-a-randomized-clinical-trial-examining-clinical-outcome-and-patient-expectation
#7
Nikolaos Nikitas Giannakopoulos, Kirsten Ariaans, Lydia Eberhard, Anna-Luisa Klotz, Keunyoung Oh, Stefanie Kappel
BACKGROUND: Prosthetic management of thin alveolar ridges in the edentulous mandibles of elderly patients, especially the time of loading, the number of implants needed, and patient expectations and perception, is a challenge in implant dentistry. PURPOSE: Survival of conventionally and immediately loaded 2-piece reduced-diameter implants in the interforaminal region of the edentulous mandible supporting locator-analog attachments was evaluated. Prosthetic complications and peri-implant hygiene were also studied, and patient expectation and subjective evaluation of the treatment were documented...
April 24, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28439835/the-uea-small-rna-workbench-a-suite-of-computational-tools-for-small-rna-analysis
#8
Irina Mohorianu, Matthew Benedict Stocks, Christopher Steven Applegate, Leighton Folkes, Vincent Moulton
RNA silencing (RNA interference, RNAi) is a complex, highly conserved mechanism mediated by short, typically 20-24 nt in length, noncoding RNAs known as small RNAs (sRNAs). They act as guides for the sequence-specific transcriptional and posttranscriptional regulation of target mRNAs and play a key role in the fine-tuning of biological processes such as growth, response to stresses, or defense mechanism.High-throughput sequencing (HTS) technologies are employed to capture the expression levels of sRNA populations...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28439555/structural-and-biochemical-differences-between-the-notch-and-the-amyloid-precursor-protein-transmembrane-domains
#9
Catherine L Deatherage, Zhenwei Lu, Brett M Kroncke, Sirui Ma, Jarrod A Smith, Markus W Voehler, Robert L McFeeters, Charles R Sanders
γ-Secretase cleavage of the Notch receptor transmembrane domain is a critical signaling event for various cellular processes. Efforts to develop inhibitors of γ-secretase cleavage of the amyloid-β precursor C99 protein as potential Alzheimer's disease therapeutics have been confounded by toxicity resulting from the inhibition of normal cleavage of Notch. We present biochemical and structural data for the combined transmembrane and juxtamembrane Notch domains (Notch-TMD) that illuminate Notch signaling and that can be compared and contrasted with the corresponding traits of C99...
April 2017: Science Advances
https://www.readbyqxmd.com/read/28439267/pulmonary-delivery-of-virosome-bound-antigen-enhances-antigen-specific-cd4-t-cell-proliferation-compared-to-liposome-bound-or-soluble-antigen
#10
Rebecca A M Blom, Mario Amacker, R Maarten van Dijk, Christian Moser, Philip A Stumbles, Fabian Blank, Christophe von Garnier
Pulmonary administration of biomimetic nanoparticles loaded with antigen may represent an effective strategy to directly modulate adaptive immune responses in the respiratory tract. Depending on the design, virosomes may not only serve as biomimetic antigen carriers but are also endowed with intrinsic immune-stimulatory properties. We designed fluorescently labeled influenza-derived virosomes and liposome controls coupled to the model antigen ovalbumin to investigate uptake, phenotype changes, and antigen processing by antigen-presenting cells exposed to such particles in different respiratory tract compartments...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28439185/-i-don-t-have-to-explain-people-understand-acceptability-and-cultural-relevance-of-a-mobile-health-lifestyle-intervention-for-filipinos-with-type-2-diabetes
#11
Dale Dagar Maglalang, Grace J Yoo, Rhodora A Ursua, Carissa Villanueva, Catherine A Chesla, Melinda S Bender
BACKGROUND: Filipino Americans have the highest risk for obesity-related type 2 diabetes and related complications compared with all major Asian American subgroups. Identifying effective interventions to improve Filipino health outcomes are needed to reduce this health disparity. OBJECTIVE: To assess the acceptability and cultural relevance of the PilAm Go4Health program - a culturally adapted mobile health weight-loss lifestyle intervention including virtual social networking for Filipino Americans with type 2 diabetes...
2017: Ethnicity & Disease
https://www.readbyqxmd.com/read/28439040/the-impact-of-membrane-phospholipid-alterations-in-escherichia-coli-on-cellular-function-and-bacterial-stress-adaptation
#12
Veronica W Rowlett, Venkata K P S Mallampalli, Anja Karlstaedt, William Dowhan, Heinrich Taegtmeyer, William Margolin, Heidi Vitrac
Bacteria have evolved multiple strategies to sense and rapidly adapt to challenging and ever-changing environmental conditions. The ability to alter membrane lipid composition, a key component of the cellular envelope, is crucial for bacterial survival and adaptation in response to environmental stress. However, the precise roles played by membrane phospholipids in bacterial physiology and stress adaptation are not fully elucidated. The goal of this study was to define the role of membrane phospholipids in adaptation to stress and maintenance of bacterial cell fitness...
April 24, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28438707/contributions-of-the-parietal-cortex-to-increased-efficiency-of-planning-based-action-selection
#13
Jennifer Randerath, Kenneth Valyear, Benjamin A Philip, Scott H Frey
Response selection is foundational to adaptive behavior, and considerable attention has been devoted to investigating this behavior under conditions in which the mapping between stimuli and responses is fixed. Results from prior studies implicate the left supramarginal gyrus (SMg), premotor and prefrontal cortices, as well as the cerebellum in this essential function. Yet, many goal-directed motor behaviors have multiple solutions with flexible mappings between stimuli and responses whose solutions are believed to involve prospective planning...
April 21, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28437899/adaptively-loaded-im-dd-optical-ofdm-based-on-set-partitioned-qam-formats
#14
Jian Zhao, Lian-Kuan Chen
We investigate the constellation design and symbol error rate (SER) of set-partitioned (SP) quadrature amplitude modulation (QAM) formats. Based on the SER analysis, we derive the adaptive bit and power loading algorithm for SP QAM based intensity-modulation direct-detection (IM/DD) orthogonal frequency division multiplexing (OFDM). We experimentally show that the proposed system significantly outperforms the conventional adaptively-loaded IM/DD OFDM and can increase the data rate from 36 Gbit/s to 42 Gbit/s in the presence of severe dispersion-induced spectral nulls after 40-km single-mode fiber...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437892/high-performance-and-low-cost-transparent-electrodes-based-on-ultrathin-cu-layer
#15
David Ebner, Martin Bauch, Theodoros Dimopoulos
Transparent electrodes based on an ultrathin Cu layer, embedded between two dielectrics, are optimized by simulations and experiments. Different dielectrics are screened in transfer matrix simulations for maximizing the broad-band transmittance. Based on this, sputtered electrodes were developed with the Cu embedded between TiO<sub>X</sub>-coated glass or PET substrate and an Al-doped ZnO (AZO) top layer. It is found that, for ultrathin Cu layers, increased sputter power fosters island coalescence, leading to superior optical and electrical performance compared to previously reported Cu-based electrodes...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28436899/adaptive-backstepping-based-neural-tracking-control-for-mimo-nonlinear-switched-systems-subject-to-input-delays
#16
Ben Niu, Lu Li
This brief proposes a new neural-network (NN)-based adaptive output tracking control scheme for a class of disturbed multiple-input multiple-output uncertain nonlinear switched systems with input delays. By combining the universal approximation ability of radial basis function NNs and adaptive backstepping recursive design with an improved multiple Lyapunov function (MLF) scheme, a novel adaptive neural output tracking controller design method is presented for the switched system. The feature of the developed design is that different coordinate transformations are adopted to overcome the conservativeness caused by adopting a common coordinate transformation for all subsystems...
April 17, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28436874/track-everything-limiting-prior-knowledge-in-online-multi-object-recognition
#17
Sebastien C Wong, Victor Stamatescu, Adam Gatt, David Kearney, Ivan Lee, Mark D McDonnell
This paper addresses the problem of online tracking and classification of multiple objects in an image sequence. Our proposed solution is to first track all objects in the scene without relying on object-specific prior knowledge, which in other systems can take the form of hand-crafted features or user-based track initialization. We then classify the tracked objects with a fastlearning image classifier that is based on a shallow convolutional neural network architecture and demonstrate that object recognition improves when this is combined with object state information from the tracking algorithm...
April 24, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28436457/fasciola-hepatica-glycoconjugates-immuneregulate-dendritic-cells-through-the-dendritic-cell-specific-intercellular-adhesion-molecule-3-grabbing-non-integrin-inducing-t-cell-anergy
#18
Ernesto Rodríguez, Hakan Kalay, Verónica Noya, Natalie Brossard, Cecilia Giacomini, Yvette van Kooyk, Juan J García-Vallejo, Teresa Freire
Dendritic cell-specific ICAM-3 grabbing non-integrin (DC-SIGN) expressed on a variety of DCs, is a C-type lectin receptor that recognizes glycans on a diverse range of pathogens, including parasites. The interaction of DC-SIGN with pathogens triggers specific signaling events that modulate DC-maturation and activity and regulate T-cell activation by DCs. In this work we evaluate whether F. hepatica glycans can immune modulate DCs via DC-SIGN. We demonstrate that DC-SIGN interacts with F. hepatica glycoconjugates through mannose and fucose residues...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28435879/fast-moving-soft-electronic-fish
#19
Tiefeng Li, Guorui Li, Yiming Liang, Tingyu Cheng, Jing Dai, Xuxu Yang, Bangyuan Liu, Zedong Zeng, Zhilong Huang, Yingwu Luo, Tao Xie, Wei Yang
Soft robots driven by stimuli-responsive materials have unique advantages over conventional rigid robots, especially in their high adaptability for field exploration and seamless interaction with humans. The grand challenge lies in achieving self-powered soft robots with high mobility, environmental tolerance, and long endurance. We are able to advance a soft electronic fish with a fully integrated onboard system for power and remote control. Without any motor, the fish is driven solely by a soft electroactive structure made of dielectric elastomer and ionically conductive hydrogel...
April 2017: Science Advances
https://www.readbyqxmd.com/read/28435622/role-of-span-length-in-the-adaptation-of-implant-supported-cobalt-chromium-frameworks-fabricated-by-three-techniques
#20
Ying Zhou, Yong Li, Xiao Ma, Yiqing Huang, Jiawei Wang
PURPOSE: This study evaluated the effect of span length on the adaptation of implant-supported cobalt chromium frameworks fabricated by three techniques. MATERIALS AND METHODS: Models with two solid abutment analogs at different inter-abutment distances were digitized using a laboratory scanner. Frameworks of two-, three-, and four-unit fixed prostheses were designed by a computer. Six dots with a diameter of 0.2 mm were preset on the surface of each framework. A total of 54 implant-supported cobalt chromium frameworks were fabricated by milling, selective laser melting (SLM), and cast techniques...
April 2017: Journal of Advanced Prosthodontics
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