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https://www.readbyqxmd.com/read/28057515/evidence-for-erp-biomarkers-of-eating-disorder-symptoms-in-women
#1
Katie Groves, Steffan Kennett, Helge Gillmeister
Growing evidence suggests that the brain processes bodies distinctively from other stimuli, but little research has addressed whether visual body perception is modulated by the observer's thoughts and feelings about their own body. The present study thus investigated the relationship between body image and electrophysiological signatures of body perception, with the aim of identifying potential biomarkers of body image disturbances. Occipito-parietal (P1 and N1) and fronto-central (VPP) processing of body and non-body stimuli were assessed in 29 weight-restored eating disordered (ED) women and compared to 27 healthy controls...
January 2, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28052986/can-voluntary-pooled-procurement-reduce-the-price-of-antiretroviral-drugs-a-case-study-of-efavirenz
#2
Sung Wook Kim, Jolene Skordis-Worrall
PURPOSE: A number of strategies have aimed to assist countries in procuring antiretroviral therapy (ARV) at lower prices. In 2009, as the Global Fund to Fight AIDS, Tuberculosis and Malaria (GFATM) commenced a voluntary pooled procurement scheme, however, the impact of the scheme on ARV prices remains uncertain. This study aims to estimate the effect of VPP on drug prices using Efavirenz as a case study. METHODS: This analysis uses WHO Global price report mechanism (GPRM) data from 2004 to 2013...
January 4, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/27990797/flexible-overoxidized-polypyrrole-films-with-orderly-structure-as-high-performance-anodes-for-li-and-na-ion-batteries
#3
Tao Yuan, Jiafeng Ruan, Weimin Zhang, Zhuopeng Tan, Junhe Yang, Zi-Feng Ma, Shiyou Zheng
Flexible polypyrrole (PPy) films with highly ordered structures were fabricated by a novel vapor phase polymerization (VPP) process and used as the anode material in lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs). The PPy films demonstrate excellent rate performance and cycling stability. At a charge/discharge rate of 1 C, the reversible capacities of the PPy film anode reach 284.9 and 177.4 mAh g(-1) in LIBs and SIBs, respectively. Even at a charge/discharge rate of 20 C, the reversible capacity of the PPy film anode retains 54...
December 28, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27973521/iterative-creation-and-sensing-of-twisted-light
#4
Brannon B Klopfer, Thomas Juffmann, Mark A Kasevich
The iterative interaction of a photon with a sample can lead to increased sensitivity in measuring the properties of the samples, such as its refractive index or birefringence. Here we show that this principle can also be used to generate and sense states of light. In particular, we demonstrate a technique to generate states with high orbital angular momentum using a single-vortex phase plate (VPP). This is accomplished by placing the phase plate in a self-imaging cavity such that light interacts with it multiple times; for an ideal phase plate, this is equivalent to iterative applications of the angular momentum operator...
December 15, 2016: Optics Letters
https://www.readbyqxmd.com/read/27936618/continuous-separation-of-dna-molecules-by-size-using-insulator-based-dielectrophoresis
#5
Paul Vernon Jones, Gabriel L Salmon, Alexandra Ros
Separation of nucleic acids has long served as a central goal of analytical research. Innovations in this field may soon enable the development of rapid, on-site sequencing devices that significantly improve both the availability and accuracy of detailed bioinformatics. However, achieving efficient continuous-flow operation and size-based fractionation of DNA still presents considerable challenges. Current methods have not yet satisfied the need for rapid fractionation of size-heterogeneous nucleic acid samples into specific and narrow size distributions...
December 12, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/27913858/limitation-of-intraoperative-frozen-section-during-thyroid-surgery
#6
Sandrine Estebe, Cecile Montenat, Adrien Tremoureux, Chloé Rousseau, François Bouilloud, Franck Jegoux
Retrospective analysis on 312 patients, operated for thyroid nodules between 2014 and 2015, was conducted to evaluate the impact of frozen section analysis on the strategy of thyroid nodule surgery. One hundred and ninety-three patients were included. They all underwent preoperative US, fine needle aspiration cytology (FNAC), per operative frozen section (FS) and post operative definitive pathological analysis. Se, Sp, VPP and VPN of FNAC and FS were calculated and compared (McNemar's test). Multivariate analysis was performed to identify independent factor of good results...
December 2, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27905082/facial-identity-and-emotional-expression-as-predictors-during-economic-decisions
#7
Sonia Alguacil, Eduardo Madrid, Antonio M Espín, María Ruz
Two sources of information most relevant to guide social decision making are the cooperative tendencies associated with different people and their facial emotional displays. This electrophysiological experiment aimed to study how the use of personal identity and emotional expressions as cues impacts different stages of face processing and their potential isolated or interactive processing. Participants played a modified trust game with 8 different alleged partners, and in separate blocks either the identity or the emotions carried information regarding potential trial outcomes (win or loss)...
November 30, 2016: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/27893480/high-speed-resistance-training-modifies-load-velocity-and-load-power-relationships-in-parkinson-s-disease
#8
Meng Ni, Joseph F Signorile
Muscle power is a major neuromuscular factor affecting motor function and independence in patients with Parkinson's disease; and it is commonly targeted using high-speed exercise. This study examined the changes in velocities (Vpp) and percent loads (%1RMpp) at peak power, as well as load-velocity (L-V) and load-power (L-P) relationships, resulting from resistance training due to exercise choice and loading in older Parkinson's patients. Fourteen older adults with mild to moderate Parkinson's disease participated in a 12-week randomized controlled power training trial...
November 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27815705/neural-biomechanical-and-physiological-factors-involved-in-sex-related-differences-in-the-maximal-rate-of-isometric-torque-development
#9
J Greig Inglis, Kyle McIntosh, David A Gabriel
OBJECTIVE: Recent research has reported that lower maximal rate of torque development (dτ/dt max) exhibited by females, relative to males, during knee extension can be accounted for by normalization to a maximal voluntary contraction (MVC); however, this was not seen in the upper limb. PURPOSE: The aim of the current work was to examine the contribution of maximum strength (τmax), twitch contraction time (CT), muscle fiber condition velocity (MFCV), and rate of muscle activation (Q30) to sex-differences in the dτ/dt max during maximal isometric dorsiflexion...
November 4, 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27797558/immediate-relativity-eeg-reveals-early-engagement-of-comparison-in-social-information-processing
#10
Katharina Ohmann, Jutta Stahl, Thomas Mussweiler, Gayannée Kedia
A wide array of social decisions relies on social comparisons. As such, these decisions require fast access to relative information. Therefore, we expect that signatures of the comparative process should be observable in electrophysiological components at an early stage of information processing. However, to date, little is known about the neural time course of social target comparisons. Therefore, we tested this hypothesis in 2 electroencephalography (EEG) studies using a social distance effect paradigm. The distance effect capitalizes on the fact that stimuli close on a certain dimension take longer to compare than stimuli clearly differing on this dimension...
November 2016: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/27790911/release-of-the-antihypertensive-tripeptides-valine-proline-proline-and-isoleucine-proline-proline-from-bovine-milk-caseins-during-in-vitro-gastrointestinal-digestion
#11
Giuseppina Sefora Rutella, Lisa Solieri, Serena Martini, Davide Tagliazucchi
The aim of this study was to identify and quantify the release of antihypertensive tripeptides valine-proline-proline (VPP) and isoleucine-proline-proline (IPP) during in vitro oro-gastro-intestinal (OGI) digestion of bovine skimmed milk. The experimental approach combined the recently developed harmonized static in vitro digestion (IVD) model and targeted mass spectrometry to monitor peptide generation. We first demonstrated that VPP and IPP are released from bovine milk proteins during in vitro OGI digestion at final concentrations of 354...
November 16, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27759777/diagnostic-accuracy-of-barium-enema-findings-in-hirschsprung-s-disease
#12
Mehran Peyvasteh, Shahnam Askarpour, Nasrollah Ostadian, Mohammad-Reza Moghimi, Hazhir Javaherizadeh
Background: Hirschsprung's disease is the most common cause of pediatric intestinal obstruction. Contrast enema is used for evaluation of the patients with its diagnosis. Aim: To evaluate sensitivity, specificity, positive predictive value, and negative predictive value of radiologic findings for diagnosis of Hirschsprung in patients underwent barium enema. Methods: This cross sectional study was carried out in Imam Khomeini Hospital for one year starting from 2012, April...
July 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/27623566/m3ba-a-mobile-modular-multimodal-biosignal-acquisition-architecture-for-miniaturized-eeg-nirs-based-hybrid-bci-and-monitoring
#13
Alexander von Luhmann, Heidrun Wabnitz, Tilmann Sander, Klaus-Robert Muller
OBJECTIVE: For the further development of the fields of telemedicine, neurotechnology and Brain-Computer Interfaces (BCI), advances in hybrid multimodal signal acquisition and processing technology are invaluable. Currently, there are no commonly available hybrid devices combining bio-electrical and bio-optical neurophysiological measurements (here Electroencephalography (EEG) and functional Near Infrared Spectroscopy (fNIRS)). Our objective was the design of such an instrument, and that in a miniaturized, customizable and wireless form...
September 9, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/27587141/biasing-vector-network-analyzers-using-variable-frequency-and-amplitude-signals
#14
J E Nobles, V Zagorodnii, A Hutchison, Z Celinski
We report the development of a test setup designed to provide a variable frequency biasing signal to a vector network analyzer (VNA). The test setup is currently used for the testing of liquid crystal (LC) based devices in the microwave region. The use of an AC bias for LC based devices minimizes the negative effects associated with ionic impurities in the media encountered with DC biasing. The test setup utilizes bias tees on the VNA test station to inject the bias signal. The square wave biasing signal is variable from 0...
August 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27435541/functional-probiotic-characterization-and-in-vivo-cholesterol-lowering-activity-of-lactobacillus-helveticus-isolated-from-fermented-cow-milk
#15
Karthiyaini Damodharan, Sasikumar Arunachalam Palaniyandi, Seung Hwan Yang, Joo-Won Suh
We characterized the probiotic properties of Lactobacillus helveticus strains KII13 and KHI1 isolated from fermented cow milk by in vitro and in vivo studies. The strains exhibited tolerance to simulated orogastrointestinal condition, adherence to Caco-2 cells, and antimicrobial activity. Both L. helveticus strains produced bioactive tripeptides, isoleucylprolyl-proline and valyl-prolyl-proline, during fermentation of milk. KII13 showed higher in vitro cholesterol-lowering activity (47%) compared with KHI1 (28%) and L...
October 28, 2016: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27351449/performance-of-novel-virtual-parenchymal-perfusion-software-visualizing-embolized-areas-of-transcatheter-arterial-chemoembolization-for-hepatocellular-carcinoma
#16
Shiro Miyayama, Masashi Yamashiro, Keiichi Nagai, Akira Yokka, Miki Yoshida, Naoko Sakuragawa
AIM: To evaluate the performance of novel virtual parenchymal perfusion (VPP) software in conventional transcatheter arterial chemoembolization (cTACE) for hepatocellular carcinoma (HCC). METHODS: VPP was retrospectively applied to 43 HCCs treated with cTACE. The virtual embolized area (VEA) was estimated after positioning a virtual injection point on images of non-selective cone-beam computed tomography during hepatic arteriography (CBCTHA), at the same position in superselective cTACE...
June 28, 2016: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/27339426/electrical-stimulation-towards-melanoma-therapy-via-liquid-metal-printed-electronics-on-skin
#17
Jun Li, Cangran Guo, Zhongshuai Wang, Kai Gao, Xudong Shi, Jing Liu
BACKGROUND: We proposed a method of using electrical stimulation for treatment of malignant melanoma through directly spray-printing liquid metal on skin as soft electrodes to deliver low intensity, intermediate frequency electric fields. METHODS: With patterned conductive liquid metal components on mice skin and under assistance of a signal generator, a sine wave electrical power with voltage of 5 V and 300 kHz could be administrated on treating malignant melanoma tumor...
December 2016: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/27325487/stable-deep-doping-of-vapor-phase-polymerized-poly-3-4-ethylenedioxythiophene-ionic-liquid-supercapacitors
#18
Christoffer Karlsson, James Nicholas, Drew Evans, Maria Forsyth, Maria Strømme, Martin Sjödin, Patrick C Howlett, Cristina Pozo-Gonzalo
Liquid-solution polymerization and vapor-phase polymerization (VPP) have been used to manufacture a series of chloride- and tosylate-doped poly(3,4-ethylenedioxythiophene) (PEDOT) carbon paper electrodes. The electrochemistry, specific capacitance, and specific charge were determined for single electrodes in 1-ethyl-3-methylimidazolium dicyanamide (emim dca) ionic liquid electrolyte. VPP-PEDOT exhibits outstanding properties with a specific capacitance higher than 300 F g(-1) , the highest value reported for a PEDOT-based conducting polymer, and doping levels as high as 0...
August 23, 2016: ChemSusChem
https://www.readbyqxmd.com/read/27250461/design-of-single-phase-driven-screw-thread-type-ultrasonic-motor
#19
Lien-Kai Chang, Mi-Ching Tsai
Most screw-thread-type ultrasonic motors are designed to be two-phase driven. This paper aims to present a novel single phase driven design that generates the required wobble motion, thus significantly simplifying the driving circuit of the ultrasonic motor. The proposed single-phase driven screw-thread-type ultrasonic motor works with two orthogonal bending modes generated by an asymmetric stator design. The novel stator design can improve the vibration displacement and further enhance the performance of the single phase driven motor...
May 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27235783/subtomogram-analysis-using-the-volta-phase-plate
#20
Maryam Khoshouei, Stefan Pfeffer, Wolfgang Baumeister, Friedrich Förster, Radostin Danev
Cryo-electron tomography (CET) and subtomogram analysis allow studying the structures of macromolecular complexes in their natural context. The radiation sensitivity of vitrified biological specimens and the resulting low signal-to-noise ratio (SNR) in CET limit the amount of structural information that can be mined from tomographic data. The Volta phase plate (VPP) has emerged as an effective means to increase the SNR and hence contrast compared to 'conventional' defocus-based phase contrast transmission electron microscopy (CTEM)...
May 25, 2016: Journal of Structural Biology
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