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https://www.readbyqxmd.com/read/28106469/building-a-dna-barcode-library-of-alaska-s-non-marine-arthropods
#1
Derek S Sikes, Matthew Bowser, John M Morton, Casey Bickford, Sarah Meierotto, Kyndall Hildebrandt
Climate change may result in ecological futures with novel species assemblages, trophic mismatch, and mass extinction. Alaska has a limited taxonomic workforce to address these changes. We are building a DNA barcode library to facilitate a metabarcoding approach to monitoring non-marine arthropods. Working with the Canadian Centre for DNA Barcoding, we obtained DNA barcodes from recently collected and authoritatively identified specimens in the University of Alaska Museum (UAM) Insect Collection and the Kenai National Wildlife Refuge collection...
October 21, 2016: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28100441/assessing-the-efficacy-of-an-app-based-method-of-family-planning-the-dot-study-protocol
#2
Rebecca G Simmons, Dominick C Shattuck, Victoria H Jennings
BACKGROUND: Some 222 million women worldwide have unmet needs for contraception; they want to avoid pregnancy, but are not using a contraceptive method, primarily because of concerns about side effects associated with most available methods. Expanding contraceptive options-particularly fertility awareness options that provide women with information about which days during their menstrual cycles they are likely to become pregnant if they have unprotected intercourse-has the potential to reduce unmet need...
January 18, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28092953/sub-10-nm-nanopattern-architecture-for-2d-material-field-effect-transistors
#3
Kai Xu, Dongxue Chen, Fengyou Yang, Zhenxing Wang, Lei Yin, Feng Wang, Ruiqing Cheng, Kaihui Liu, Jie Xiong, Qian Liu, Jun He
Two-dimensional materials (2DMs) are competitive candidates in replacing or supplementing conventional semiconductors owing to their atomically uniform thickness. However, current conventional micro/nanofabrication technologies realize hardly ultrashort channel and integration, especially for sub-10 nm. Meanwhile, experimental device performance associated with the scaling of dimension needs to be investigated, due to the short channel effects. Here, we show a novel and universal technological method to fabricate sub-10 nm gaps with sharp edges and steep sidewalls...
January 19, 2017: Nano Letters
https://www.readbyqxmd.com/read/28087544/children-s-experiences-of-chronic-fatigue-syndrome-myalgic-encephalomyelitis-cfs-me-a-systematic-review-and-meta-ethnography-of-qualitative-studies
#4
Roxanne M Parslow, Sarah Harris, Jessica Broughton, Adla Alattas, Esther Crawley, Kirstie Haywood, Alison Shaw
OBJECTIVE: To synthesis the qualitative studies of children's experiences of chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME). DESIGN: Systematic review and meta-ethnography. BACKGROUND: CFS/ME is an important disabling illness, with uncertain cause and prognosis. As a result, children with CFS/ME can find themselves living with greater uncertainty and stigma, exacerbating the impact of the condition. There is a growing body of qualitative research in CFS/ME, yet there has been no attempt to systematically synthesis the studies involving children...
January 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28086965/probabilistic-liver-atlas-construction
#5
Esther Dura, Juan Domingo, Guillermo Ayala, Luis Marti-Bonmati, E Goceri
BACKGROUND: Anatomical atlases are 3D volumes or shapes representing an organ or structure of the human body. They contain either the prototypical shape of the object of interest together with other shapes representing its statistical variations (statistical atlas) or a probability map of belonging to the object (probabilistic atlas). Probabilistic atlases are mostly built with simple estimations only involving the data at each spatial location. RESULTS: A new method for probabilistic atlas construction that uses a generalized linear model is proposed...
January 13, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28080962/-bodily-precision-a-predictive-coding-account-of-individual-differences-in-interoceptive-accuracy
#6
REVIEW
Vivien Ainley, Matthew A J Apps, Aikaterini Fotopoulou, Manos Tsakiris
Individuals differ in their awareness of afferent information from within their bodies, which is typically assessed by a heartbeat perception measure of 'interoceptive accuracy' (IAcc). Neural and behavioural correlates of this trait have been investigated, but a theoretical explanation has yet to be presented. Building on recent models that describe interoception within the free energy/predictive coding framework, this paper applies similar principles to IAcc, proposing that individual differences in IAcc depend on 'precision' in interoceptive systems, i...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28079698/pediatric-hand-surgery-in-global-health-the-role-for-international-outreach
#7
Karen Y Chung, Amanda Hanemaayer, Dan Poenaru
PURPOSE: There is emerging interest in hand surgery and global health. This was emphasized at the 2015 presidential address at the American Society for Surgery of Hand. Children are prioritized because of their increased risk for trauma and higher potential for better outcomes. This study aims to identify how hand surgical volunteer programs can benefit the pediatric hand surgical landscape in global health. There has been no literature review to date. METHODS: This institutional review board-approved review systematically searched PubMed, Embase, Medline, African Journal Online, and the Journal of Hand Surgery...
February 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28079267/estimating-4d-cbct-from-prior-information-and-extremely-limited-angle-projections-using-structural-pca-and-weighted-free-form-deformation-for-lung-radiotherapy
#8
Wendy Harris, You Zhang, Fang-Fang Yin, Lei Ren
PURPOSE: To investigate the feasibility of using structural-based principal component analysis (PCA) motion-modeling and weighted free-form deformation to estimate on-board 4D-CBCT using prior information and extremely limited angle projections for potential 4D target verification of lung radiotherapy. METHODS: A technique for lung 4D-CBCT reconstruction has been previously developed using a deformation field map (DFM)-based strategy. In the previous method, each phase of the 4D-CBCT was generated by deforming a prior CT volume...
January 12, 2017: Medical Physics
https://www.readbyqxmd.com/read/28077833/-adaptation-process-to-group-home-living-by-older-adults
#9
Hee Sook Yoon, Sohyune Sok
PURPOSE: The purpose of the study was to explore and describe the adaptation process of older people to group homes. METHODS: Participants were twenty older adults aged 65 or older who were living in group homes. Data were collected from January to April, 2015. In-depth unstructured interviews were conducted with individual participants. Data were analyzed using Strauss and Corbin's grounded theory method. RESULTS: From open coding, 100 concepts, 38 sub-categories, and 14 categories were identified...
December 2016: Journal of Korean Academy of Nursing
https://www.readbyqxmd.com/read/28077771/the-correlated-evolution-of-antipredator-defences-and-brain-size-in-mammals
#10
Theodore Stankowich, Ashly N Romero
Mammals that possess elaborate antipredator defences such as body armour, spines and quills are usually well protected, intermediate in size, primarily insectivorous and live in simple open environments. The benefits of such defences seem clear and may relax selection on maintaining cognitive abilities that aid in vigilance and predator recognition, and their bearers may accrue extensive production and maintenance costs. Here, in this comparative phylogenetic analysis of measurements of encephalization quotient and morphological defence scores of 647 mammal species representing nearly every order, we found that as lineages evolve stronger defences, they suffer a correlated reduction in encephalization...
January 11, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28076378/p62-pathology-model-in-the-rat-substantia-nigra-with-filamentous-inclusions-and-progressive-neurodegeneration
#11
Kasey L Jackson, Wen-Lang Lin, Sumitra Miriyala, Robert D Dayton, Manikandan Panchatcharam, Kevin J McCarthy, Monica Castanedes-Casey, Dennis W Dickson, Ronald L Klein
One of the proteins most frequently found in neuropathological lesions is the ubiquitin binding protein p62 (sequestosome 1). Post-mortem analysis of p62 is a defining diagnostic marker in several neurodegenerative diseases including amyotrophic lateral sclerosis and inclusion body myositis. Since p62 functions in protein degradation pathways including autophagy, the build-up of p62-positive inclusions suggests defects in protein clearance. p62 was expressed unilaterally in the rat substantia nigra with an adeno-associated virus vector (AAV9) in order to study p62 neuropathology...
2017: PloS One
https://www.readbyqxmd.com/read/28073551/the-common-bloom-forming-cyanobacterium-microcystis-is-prone-to-a-wide-array-of-microbial-antagonists
#12
REVIEW
Jeroen Van Wichelen, Pieter Vanormelingen, Geoffrey A Codd, Wim Vyverman
Many degraded waterbodies around the world are subject to strong proliferations of cyanobacteria - notorious for their toxicity, high biomass build-up and negative impacts on aquatic food webs - the presence of which puts serious limits on the human use of affected water bodies. Cyanobacterial blooms are largely regarded as trophic dead ends since they are a relatively poor food source for zooplankton. As a consequence, their population dynamics are generally attributed to changes in abiotic conditions (bottom-up control)...
May 2016: Harmful Algae
https://www.readbyqxmd.com/read/28072606/an-innovative-approach-using-simulation-to-teach-primary-care-gynecologic-procedures
#13
Susan D Hellier, Denise R Ramponi, Alexander Wrynn, Stephanie Garofalo
INTRODUCTION: In response to the growing body of evidence that simulation is a satisfactory way to instruct procedural skills, we developed an innovative model to teach common gynecologic procedures such as cervical cancer screening, cervical polyp removal, intrauterine device removal, and endometrial biopsy. The objectives of this study were to describe the construction of the model and to assess participants' satisfaction and confidence in applying the learning objectives to their clinical practice...
January 9, 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28067770/assessment-of-pansharpening-methods-applied-to-worldview-2-imagery-fusion
#14
Hui Li, Linhai Jing, Yunwei Tang
Since WorldView-2 (WV-2) images are widely used in various fields, there is a high demand for the use of high-quality pansharpened WV-2 images for different application purposes. With respect to the novelty of the WV-2 multispectral (MS) and panchromatic (PAN) bands, the performances of eight state-of-art pan-sharpening methods for WV-2 imagery including six datasets from three WV-2 scenes were assessed in this study using both quality indices and information indices, along with visual inspection. The normalized difference vegetation index, normalized difference water index, and morphological building index, which are widely used in applications related to land cover classification, the extraction of vegetation areas, buildings, and water bodies, were employed in this work to evaluate the performance of different pansharpening methods in terms of information presentation ability...
January 5, 2017: Sensors
https://www.readbyqxmd.com/read/28067425/conspicuousness-color-resemblance-and-toxicity-in-geographically-diverging-mimicry-the-pan-amazonian-frog-allobates-femoralis
#15
Adolfo Amézquita, Óscar Ramos, Mabel Cristina González, Camilo Rodríguez, Iliana Medina, Pedro Ivo Simões, Albertina Pimentel Lima
Predation risk is allegedly reduced in Batesian and Müllerian mimics, because their coloration resembles the conspicuous coloration of unpalatable prey. The efficacy of mimicry is thought to be affected by variation in the unpalatability of prey, the conspicuousness of the signals, and the visual system of predators that see them. Many frog species exhibit small colorful patches contrasting against an otherwise dark body. By measuring toxicity and color reflectance in a geographically variable frog species and the syntopic toxic species, we tested whether unpalatability was correlated with between-species color resemblance and whether resemblance was highest for the most conspicuous components of coloration pattern...
January 9, 2017: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/28064525/healthy-children-strong-families-2-a-randomized-controlled-trial-of-a-healthy-lifestyle-intervention-for-american-indian-families-designed-using-community-based-approaches
#16
Emily J Tomayko, Ronald J Prince, Kate A Cronin, Tassy Parker, Kyungmann Kim, Vernon M Grant, Judith N Sheche, Alexandra K Adams
Background/Aims Few obesity prevention trials have focused on young children and their families in the home environment, particularly in underserved communities. Healthy Children, Strong Families 2 is a randomized controlled trial of a healthy lifestyle intervention for American Indian children and their families, a group at very high risk of obesity. The study design resulted from our long-standing engagement with American Indian communities, and few collaborations of this type resulting in the development and implementation of a randomized clinical trial have been described...
January 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/28063098/muscular-body-build-and-male-sex-are-independently-associated-with-malignant-hyperthermia-susceptibility
#17
Brian Butala, Barbara Brandom
PURPOSE: Malignant hyperthermia susceptibility (MHS) is a disorder of the regulation of calcium in skeletal muscle. Muscular individuals have been shown to have a 13.6-fold increased risk of death during malignant hyperthermia (MH) episodes and are more likely to experience a recurrence after initial treatment. Twenty-five percent of severe MH episodes have occurred in elite athletes. This study investigated the association between MHS and muscular body build. METHODS: Data were obtained from existing reports in the North American Malignant Hyperthermia Registry, including the Report of Muscle Biopsy and Contracture Testing (caffeine-halothane contracture test [CHCT]) as well as Adverse Metabolic or Muscular Reaction to Anesthesia (AMRA) reports...
January 6, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28062155/providing-prenatal-care-to-pregnant-women-with-overweight-or-obesity-differences-in-provider-communication-and-ratings-of-the-patient-provider-relationship-by-patient-body-weight
#18
Katie O Washington Cole, Kimberly A Gudzune, Sara N Bleich, Lawrence J Cheskin, Wendy L Bennett, Lisa A Cooper, Debra L Roter
OBJECTIVE: To examine the association of women's body weight with provider communication during prenatal care. METHODS: We coded audio recordings of prenatal visits between 22 providers and 117 of their patients using the Roter Interaction Analysis System. Multivariate, multilevel Poisson models were used to examine the relationship between patient pre-pregnancy body mass index and provider communication. RESULTS: Compared to women with normal weight, providers asked fewer lifestyle questions (IRR 0...
December 27, 2016: Patient Education and Counseling
https://www.readbyqxmd.com/read/28060275/automated-analysis-of-c-elegans-swim-behavior-using-celest-software
#19
Carolina Ibáñez-Ventoso, Christopher Herrera, Esteban Chen, Douglas Motto, Monica Driscoll
Dissecting the neuronal and neuromuscular circuits that regulate behavior remains a major challenge in biology. The nematode Caenorhabditis elegans has proven to be an invaluable model organism in helping to tackle this challenge, from inspiring technological approaches, building the human brain connectome, to actually shedding light on the specific molecular drivers of basic functional patterns. The bulk of the behavioral studies in C. elegans have been performed on solid substrates. In liquid, animals exhibit behavioral patterns that include movement at a range of speeds in 3D, as well as partial body movements, such as a posterior curl without anterior shape change, which introduce new challenges for quantitation...
December 7, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28057262/cooperation-between-t-box-factors-regulates-the-continuous-segregation-of-germ-layers-during-vertebrate-embryogenesis
#20
G E Gentsch, R S Monteiro, J C Smith
A wild-type vertebrate embryo first generates its head and then extends its main body axis by successively appending trunk and tail. This rostro-caudal (head-to-tail) development is initiated by a set of morphogenetic movements known as gastrulation that recruits multipotent cells into one of the three morphologically distinct germ layers: ectoderm, endoderm, and mesoderm. These primordial tissues go on to form complementary sets of connective tissues and organs to build the head and at least some of the trunk...
2017: Current Topics in Developmental Biology
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