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https://www.readbyqxmd.com/read/28645069/controlled-single-bubble-cavitation-collapse-results-in-jet-induced-injury-in-brain-tissue
#1
Saranya Canchi, Karen Kelly, Yu Hong, Michael A King, Ghatu Subhash, Malisa Sarntinoranont
Multiscale damage due to cavitation is considered as a potential mechanism of traumatic brain injury (TBI) associated with explosion. In this study, we employed a TBI relevant hippocampal ex vivo slice model to induce bubble cavitation. Placement of single reproducible seed bubbles allowed control of size, number, and tissue location to visualize and measure deformation parameters. Maximum strain value was measured at 45 µs after bubble collapse, presented with a distinct contour and coincided temporally and spatially with the liquid jet...
June 15, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28643080/elaboration-of-the-reciprocal-engagement-model-of-genetic-counseling-practice-a-qualitative-investigation-of-goals-and-strategies
#2
Krista Redlinger-Grosse, Patricia McCarthy Veach, Bonnie S LeRoy, Heather Zierhut
As the genetic counseling field evolves, a comprehensive model of practice is critical. The Reciprocal-Engagement Model (REM) consists of 5 tenets and 17 goals. Lacking in the REM, however, are well-articulated counselor strategies and behaviors. The purpose of the present study was to further elaborate and provide supporting evidence for the REM by identifying and mapping genetic counseling strategies to the REM goals. A secondary, qualitative analysis was conducted on data from two prior studies: 1) focus group results of genetic counseling outcomes (Redlinger-Grosse et al...
June 22, 2017: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/28636664/looking-at-paintings-in-the-vincent-van-gogh-museum-eye-movement-patterns-of-children-and-adults
#3
Francesco Walker, Berno Bucker, Nicola C Anderson, Daniel Schreij, Jan Theeuwes
In the present study, we examined the eye movement behaviour of children and adults looking at five Van Gogh paintings in the Van Gogh Museum, Amsterdam. The goal of the study was to determine the role of top-down and bottom-up attentional processes in the first stages of participants' aesthetic experience. Bottom-up processes were quantified by determining a salience map for each painting. Top-down processing was manipulated by first allowing participants to view the paintings freely, then providing background information about each painting, and then allowing them to view the paintings a second time...
2017: PloS One
https://www.readbyqxmd.com/read/28634122/mapping-the-binding-interface-in-a-non-covalent-size-variant-of-a-monoclonal-antibody-using-native-mass-spectrometry-hydrogen-deuterium-exchange-mass-spectrometry-and-computational-analysis
#4
Yuetian Yan, Hui Wei, Sutjano Jusuf, Stanley R Krystek, Jie Chen, Guodong Chen, Richard T Ludwig, Li Tao, Tapan K Das
Variants of monoclonal antibody containing an extra light chain has been reported in protein products(1-3). Due to potential impact on potency and immunogenicity, it is important to understand the formation mechanism of such variants so that appropriate control strategies can be implemented to assure product quality. In a model monoclonal antibody, we observed a size variant with an extra light chain non-covalently associated with the monomer (later named as "1.2mer"). The interaction between monomer and the extra light chain was characterized by native spray and hydrogen/deuterium exchange mass spectrometry (HDX MS) techniques...
June 17, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28634079/relaxin-reduces-susceptibility-to-post-infarct-atrial-fibrillation-in-mice-due-to-anti-fibrotic-and-anti-inflammatory-properties
#5
Thomas Beiert, Vedat Tiyerili, Vincent Knappe, Verena Effelsberg, Markus Linhart, Florian Stöckigt, Sabine Klein, Robert Schierwagen, Jonel Trebicka, Georg Nickenig, Jan W Schrickel, René P Andrié
BACKGROUND: Relaxin-2 (RLX) is a peptide hormone that exerts beneficial anti-fibrotic and anti-inflammatory effects in diverse models of cardiovascular disease. The goal of this study was to determine the effects of RLX treatment on the susceptibility to atrial fibrillation (AF) after myocardial infarction (MI). METHODS: Mice with cryoinfarction of the left anterior ventricular wall were treated for two weeks with either RLX (75 μg/kg/d) or vehicle (sodium acetate) delivered via subcutaneously implanted osmotic minipumps...
June 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28632007/what-do-medical-students-do-for-self-care-a-student-centered-approach-to-well-being
#6
Erin E Ayala, Aisha M Omorodion, Dennis Nmecha, Jeffrey S Winseman, Hyacinth R C Mason
Phenomenon: Despite the promotion of medical student health and wellness through recent program and curricular changes, research continues to show that medical education is associated with decreased well-being in medical students. Although many institutions have sought to more effectively assess and improve self-care in medical students, no self-care initiatives have been designed using the explicit perspectives of students themselves. APPROACH: Using concept mapping methodology, the research team created a student-generated taxonomy of self-care behaviors taken from a national sample of medical students in response to a brainstorming prompt...
February 16, 2017: Teaching and Learning in Medicine
https://www.readbyqxmd.com/read/28630435/in-situ-electrical-and-thermal-monitoring-of-printed-electronics-by-two-photon-mapping
#7
Francesco Pastorelli, Nicolò Accanto, Mikkel Jørgensen, Niek F van Hulst, Frederik C Krebs
Printed electronics is emerging as a new, large scale and cost effective technology that will be disruptive in fields such as energy harvesting, consumer electronics and medical sensors. The performance of printed electronic devices relies principally on the carrier mobility and molecular packing of the polymer semiconductor material. Unfortunately, the analysis of such materials is generally performed with destructive techniques, which are hard to make compatible with in situ measurements, and pose a great obstacle for the mass production of printed electronics devices...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630253/cold-induced-thermogenesis-and-inflammation-associated-cold-seeking-behavior-are-represented-by-different-dorsomedial-hypothalamic-sites-a-three-dimensional-functional-topography-study-in-conscious-rats
#8
Samuel P Wanner, M Camila Almeida, Yury P Shimansky, Daniela L Oliveira, Justin R Eales, Cândido C Coimbra, Andrej A Romanovsky
In the past, we showed that large electrolytic lesions of the dorsomedial hypothalamus (DMH) promoted hypothermia in cold-exposed restrained rats, but attenuated hypothermia in rats challenged with a high dose of bacterial lipopolysaccharide (LPS) in a thermogradient apparatus. The goal of this study was to identify the thermoeffector mechanisms and DMH representation of the two phenomena and, hence, understand how the same lesion could produce two opposite effects on body temperature. We found that the permissive effect of large electrolytic DMH lesions on cold-induced hypothermia was due to suppressed thermogenesis...
June 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28629611/sentinel-lymph-node-mapping-in-minimally-invasive-surgery-role-of-imaging-with-color-segmented-fluorescence-csf
#9
Maite I Lopez Labrousse, Michael Frumovitz, M Guadalupe Patrono, Pedro T Ramirez
OBJECTIVE: Sentinel lymph node mapping, alone or in combination with pelvic lymphadenectomy, is considered a standard approach in staging of patients with cervical or endometrial cancer [1-3]. The goal of this video is to demonstrate the use of indocyanine green (ICG) and color-segmented fluorescence when performing lymphatic mapping in patients with gynecologic malignancies. METHODS: Injection of ICG is performed in two cervical sites using 1mL (0.5mL superficial and deep, respectively) at the 3 and 9 o'clock position...
June 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28629322/construction-of-high-density-genetic-map-and-qtl-mapping-of-yield-related-and-two-quality-traits-in-soybean-rils-population-by-rad-sequencing
#10
Nianxi Liu, Mu Li, Xiangbao Hu, Qibin Ma, Yinghui Mu, Zhiyuan Tan, Qiuju Xia, Gengyun Zhang, Hai Nian
BACKGROUND: One of the overarching goals of soybean breeding is to develop lines that combine increased yield with improved quality characteristics. High-density-marker QTL mapping can serve as an effective strategy to identify novel genomic information to facilitate crop improvement. In this study, we genotyped a recombinant inbred line (RIL) population (Zhonghuang 24 × Huaxia 3) using a restriction-site associated DNA sequencing (RAD-seq) approach. A high-density soybean genetic map was constructed and used to identify several QTLs that were shown to influence six yield-related and two quality traits...
June 19, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28626457/characterization-of-novel-integrons-in1085-and-in1086-and-the-surrounding-genes-in-plasmids-from-enterobacteriaceae-and-the-role-for-attcaada16-structural-features-during-atti1-%C3%A3-attc-integration
#11
Dongguo Wang, Wei Hou, Jiayu Chen, Linjun Yang, Zhihui Liu, Zhe Yin, Jiao Feng, Dongsheng Zhou
Novel class 1 integrons In1085 and In1086, containing the class D β-lactamase -encoding gene blaOXA, were identified in clinical enterobacterial strains. In this study, we aimed to characterize the genetic contexts of In1085 and In1086, with the goal of identifying putative mechanisms of integron mobilization. Four plasmids, approximately 5.3, 5.3, 5.7, and 6.6 kb, from 71 clinical Enterobacteriaceae strains were found to contain class 1 integrons (In37, In62, In1085, and In1086, respectively). Two of these plasmids, pEco336 and pNsa292, containing In1085 and In1086, respectively, were further characterized by antibiotic susceptibility testing, conjugation experiments, PCR, sequencing, and gene mapping...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28625234/-effect-of-global-end-diastolic-volume-index-guidance-fluid-resuscitation-in-elderly-patients-with-septic-shock
#12
Shuang Ma, Rumin Zhang, Shifu Wang, Meiling Zhao, Lei Wang, Yun Zhang
OBJECTIVE: To evaluate the effect of global end diastolic volume index (GEDVI) on fluid resuscitation in elderly patients with septic shock. METHODS: A prospective randomized controlled trial (RCT) was conducted. Septic shock patients over 65 years admitted to intensive care unit (ICU) of Shandong Province, Zibo Central Hospital from January 2013 to December 2015 were enrolled. The patients were randomly divided into control group and observation group, 20 cases in each group...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28624924/evaluation-of-hepatic-fibrosis-a-review-from-the-society-of-abdominal-radiology-disease-focus-panel
#13
REVIEW
Jeanne M Horowitz, Sudhakar K Venkatesh, Richard L Ehman, Kartik Jhaveri, Patrick Kamath, Michael A Ohliger, Anthony E Samir, Alvin C Silva, Bachir Taouli, Michael S Torbenson, Michael L Wells, Benjamin Yeh, Frank H Miller
Hepatic fibrosis is potentially reversible; however early diagnosis is necessary for treatment in order to halt progression to cirrhosis and development of complications including portal hypertension and hepatocellular carcinoma. Morphologic signs of cirrhosis on ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI) alone are unreliable and are seen with more advanced disease. Newer imaging techniques to diagnose liver fibrosis are reliable and accurate, and include magnetic resonance elastography and US elastography (one-dimensional transient elastography and point shear wave elastography or acoustic radiation force impulse imaging)...
June 17, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28624727/the-biogeochemical-implications-of-massive-gull-flocks-at-landfills
#14
R Scott Winton, Mark River
Gulls have long been observed concentrating in flocks of tens to hundreds of thousands at the anthropogenic food sources provided by landfills. Yet, the biogeochemical implications of the landfill gull phenomenon have been largely ignored. This study has two goals: 1) to understand the magnitude and geographic extent of landfill gulls in North America, and 2) to quantify the amount of carbon (C), nitrogen (N), and phosphorus (P) transported from landfills to gull roosting sites in order to understand their potential impacts on water quality and methane (CH4) emission...
June 8, 2017: Water Research
https://www.readbyqxmd.com/read/28623252/natural-variation-in-arabidopsis-thaliana-cd-responses-and-the-detection-of-quantitative-trait-loci-affecting-cd-tolerance
#15
Sina Fischer, Thomas Spielau, Stephan Clemens
Metal tolerance is often a result of metal storage or distribution. Thus, with the goal of advancing the molecular understanding of such metal homeostatic mechanisms, natural variation of metal tolerance in Arabidopsis thaliana was investigated. Substantial variation exists in tolerance of excess copper (Cu), zinc (Zn) and cadmium (Cd). Two accessions, Col-0 and Bur-0, and a recombinant inbred line (RIL) population derived from these parents were chosen for further analysis of Cd and Zn tolerance variation, which is evident at different plant ages in various experimental systems and appears to be genetically linked...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28623036/-arrhythmogenic-right-ventricular-cardiomyopathy-dysplasia-literature-review-and-case-report
#16
William Alejandro Camargo-Ariza, Silvia Juliana Galvis-Blanco, Tatiana Del Pilar Camacho-Enciso, Carlos Alberto Quiroz-Romero, Juan José Bermudez-Echeverry
Arrhythmogenic right ventricular cardiomyopathy/dysplasia is an inherited autosomal dominant pathology with an estimated prevalence of 1:2,500 to 1:5,000, being higher in males (3:1). It is characterized histologically by replacement of cardiomyocytes by fibro-adipose tissue, which predisposes to ventricular arrhythmias, right ventricular failure, and sudden cardiac death. The main goal of treatment is to reduce the risk of sudden death and improve the quality of life of patients. We present the case of a 23 year old woman whose clinical symptoms started with palpitations, chest pain with physical activity, syncope and headache 6 years ago during her first pregnancy...
June 13, 2017: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/28620399/timing-is-important-unmanned-aircraft-vs-satellite-imagery-in-plant-invasion-monitoring
#17
Jana Müllerová, Josef Brůna, Tomáš Bartaloš, Petr Dvořák, Michaela Vítková, Petr Pyšek
The rapid spread of invasive plants makes their management increasingly difficult. Remote sensing offers a means of fast and efficient monitoring, but still the optimal methodologies remain to be defined. The seasonal dynamics and spectral characteristics of the target invasive species are important factors, since, at certain time of the vegetation season (e.g., at flowering or senescing), plants are often more distinct (or more visible beneath the canopy). Our aim was to establish fast, repeatable and a cost-efficient, computer-assisted method applicable over larger areas, to reduce the costs of extensive field campaigns...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28616255/global-health-governance-in-the-sustainable-development-goals-is-it-grounded-in-the-right-to-health
#18
Remco Van de Pas, Peter S Hill, Rachel Hammonds, Gorik Ooms, Lisa Forman, Attiya Waris, Claire E Brolan, Martin McKee, Devi Sridhar
This paper explores the extent to which global health governance - in the context of the early implementation of the Sustainable Development Goals is grounded in the right to health. The essential components of the right to health in relation to global health are unpacked. Four essential functions of the global health system are assessed from a normative, rights-based, analysis on how each of these governance functions should operate. These essential functions are: the production of global public goods, the management of externalities across countries, the mobilization of global solidarity, and stewardship...
January 2017: Global Chall
https://www.readbyqxmd.com/read/28615050/conceptualizing-physical-activity-parenting-practices-using-expert-informed-concept-mapping-analysis
#19
Louise C Mâsse, Teresia M O'Connor, Andrew W Tu, Sheryl O Hughes, Mark R Beauchamp, Tom Baranowski
BACKGROUND: Parents are widely recognized as playing a central role in the development of child behaviors such as physical activity. As there is little agreement as to the dimensions of physical activity-related parenting practices that should be measured or how they should be operationalized, this study engaged experts to develop an integrated conceptual framework for assessing parenting practices that influence multiple aspects of 5 to 12 year old children's participation in physical activity...
June 14, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28613185/improving-cnn-performance-accuracies-with-min-max-objective
#20
Weiwei Shi, Yihong Gong, Xiaoyu Tao, Jinjun Wang, Nanning Zheng
We propose a novel method for improving performance accuracies of convolutional neural network (CNN) without the need to increase the network complexity. We accomplish the goal by applying the proposed Min-Max objective to a layer below the output layer of a CNN model in the course of training. The Min-Max objective explicitly ensures that the feature maps learned by a CNN model have the minimum within-manifold distance for each object manifold and the maximum between-manifold distances among different object manifolds...
June 9, 2017: IEEE Transactions on Neural Networks and Learning Systems
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