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https://www.readbyqxmd.com/read/27920747/social-influence-and-different-types-of-red-light-behaviors-among-cyclists
#1
Federico Fraboni, Víctor Marín Puchades, Marco De Angelis, Gabriele Prati, Luca Pietrantoni
Accident analysis and studies on traffic revealed that cyclists' violation of red-light regulation is one typical infringement committed by cyclists. Furthermore, an association between cyclists' crash involvement and red-light violations has been found across different countries. The literature on cyclists' psychosocial determinants of red-light violation is still scarce. The present study, based on the classification of cyclists' red-light behavior in risk-taking (ignoring the red-light and traveling through the junction without stopping), opportunistic (waiting at red-lights but being too impatient to wait for green signal and subsequently crossing the junction), and law-obeying (stopping to obey the red-light), adopted an eye-observational methodology to investigate differences in cyclists' crossing behavior at intersections, in relation to traffic light violations and the presence of other cyclists...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27920409/prevalence-of-igg-mediated-food-intolerance-among-patients-with-allergic-symptoms
#2
Zahid Shakoor, Abrar AlFaifi, Bayan AlAmro, Lama Nabil AlTawil, Rana Yazid AlOhaly
BACKGROUND: Food intolerance mediated by food specific IgG antibodies has been implicated in a variety of disorders. OBJECTIVES: To assess the prevalence of food specific IgG antibodies among patients clinically presenting with allergic symptoms lacking laboratory evidence of allergy. DESIGN: Descriptive retrospective cross-sectional study. SETTING: King Khalid University Hospital, Riyadh between 2010-2015. PATIENTS AND METHODS: Patients were screened for food specific IgG antibodies...
November 2016: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/27917769/risk-factors-for-unsuccessful-lumbar-puncture-in-children
#3
C Procter, H Buys, H Carrara, J Thomas
BACKGROUND: This descriptive study provides the first information on an association between the use of sedation and a reduction in the prevalence of unsuccessful lumbar puncture (LP) in African children of all races. OBJECTIVE: Our hypothesis was that children who do not receive any procedural sedation are more likely to have unsuccessful LPs. METHODS: A cross-sectional observational study examined LPs performed from February to April 2013, including details of the procedure, sedation or analgesia used, and techniques...
December 1, 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27916791/different-phases-of-breast-cancer-cells-raman-study-of-immortalized-transformed-and-invasive-cells
#4
Deepika Chaturvedi, Sai A Balaji, Vinay Kumar Bn, Freek Ariese, Siva Umapathy, Annapoorni Rangarajan
Breast cancer is the most prevalent cause of cancer-associated death in women the world over, but if detected early it can be treated successfully. Therefore, it is important to diagnose this disease at an early stage and to understand the biochemical changes associated with cellular transformation and cancer progression. Deregulated lipid metabolism has been shown to contribute to cell transformation as well as cancer progression. In this study, we monitored the biomolecular changes associated with the transformation of a normal cell into an invasive cell associated with breast cancer using Raman microspectroscopy...
November 28, 2016: Biosensors
https://www.readbyqxmd.com/read/27914445/coherent-and-incoherent-ultrasound-backscatter-from-cell-aggregates
#5
Romain de Monchy, François Destrempes, Ratan K Saha, Guy Cloutier, Emilie Franceschini
The effective medium theory (EMT) was recently developed to model the ultrasound backscatter from aggregating red blood cells [Franceschini, Metzger, and Cloutier, IEEE Trans. Ultrason. Ferroelectr. Freq. Control 58, 2668-2679 (2011)]. The EMT assumes that aggregates can be treated as homogeneous effective scatterers, which have effective properties determined by the aggregate compactness and the acoustical characteristics of the cells and the surrounding medium. In this study, the EMT is further developed to decompose the differential backscattering cross section of a single cell aggregate into coherent and incoherent components...
September 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27909267/comparison-of-green-pit-viper-and-agkistrodon-halys-antivenom-in-inhibition-of-coagulopathy-due-to-trimeresurus-albolabris-venom-an-in-vitro-study-using-human-plasma
#6
S K Lam, S F Yip, P Crow, H T Fung, J Mh Cheng, K S Tan, O F Wong, D Yt Yeung, Y K Wong, K M Poon, G Ades
INTRODUCTION: There are two antivenoms that may be administered in Hong Kong following a bite by Trimeresurus albolabris: the green pit viper antivenom from the Thai Red Cross Society in Thailand and the Agkistrodon halys antivenom from the Shanghai Institute of Biological Products in China. Both are recommended by the Central Coordinating Committee of Accident and Emergency Services of the Hospital Authority for treating patients with a bite by Trimeresurus albolabris. The choice of which antivenom to use is based on physician preference...
December 2, 2016: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/27904978/development-and-characterization-of-twelve-microsatellite-markers-for-porphyra-linearis-greville
#7
Elena Varela-Álvarez, Cristina Paulino, Ester A Serrão
The genus Porphyra (and its sister genus Pyropia) contains important red algal species that are cultivated and/or harvested for human consumption, sustaining a billion-dollar aquaculture industry. A vast amount of research has been focused on species of this genus, including studies on genetics and genomics among other areas. Twelve novel microsatellite markers were developed here for Porphyra linearis. Markers were characterized using 32 individuals collected from four natural populations of P. linearis with total heterozygosity varying from 0...
November 30, 2016: Genetica
https://www.readbyqxmd.com/read/27903682/targeting-immunoglobulin-e-in-non-atopic-asthma-crossing-the-red-line
#8
EDITORIAL
Mina Gaga, Eleftherios Zervas, Marc Humbert
No abstract text is available yet for this article.
December 2016: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/27902677/perception-of-fechner-illusory-colors-in-alzheimer-disease-patients
#9
Gintaras Kaubrys, Vera Bukina, Ieva Bingelytė, Vladas Taluntis
BACKGROUND Alzheimer disease (AD) primarily affects cognition. A variety of visual disorders was established in AD. Fechner illusory colors are produced by a rotating disk with a black and white pattern. The purpose of our research was to explore the perception of illusory colors in AD. MATERIAL AND METHODS W recruited 40 AD patients (MMSE ≥14) and 40 normal controls (CG group) matched by age, education, gender in this prospective, cross-sectional, case-control study. An achromatic Benham's disk attached to a device to control the speed and direction of rotation was used to produce illusory colors...
November 30, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27901217/factors-associated-with-problematic-drug-use-among-psychiatric-outpatients
#10
Clarissa Mendonça Corradi-Webster, Edilaine Cristina da Silva Gherardi-Donato
Objective: to examine the factors associated with problematic drug use among psychiatric outpatients. Method: a cross-sectional study was carried out in two mental health services. Eligible individuals were patients of these mental health services, who used them within the data collection period. Instruments: standardized questionnaire with sociodemographic, social network, social harm, and clinical information; Alcohol, Smoking and Substance Involvement Screening Test; Barratt Impulsiveness Scale; Holmes and Rahe Stress Scale...
November 28, 2016: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/27898962/genetic-variation-and-differentiation-in-parent-descendant-cattle-and-bison-populations
#11
M A Cronin, V L R Leesburg
Genetic variation and differentiation at 32 microsatellite loci was quantified for parent-descendant cattle populations and parent-descendant bison () populations. We compared heterozygosity () and allelic richness () for 587 cattle of four breeds and three lines derived from them, and 188 bison in three pairs of parent-descendant populations. and were less in the Line 1 Hereford inbred cattle population than in the parent Hereford breed. and were intermediate in a composite population (CGC, derived from crossing Red Angus, Charolais, and Tarentaise) compared to the three parent breeds...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27897402/the-impact-of-ageing-physical-activity-and-pre-frailty-on-skeletal-muscle-phenotype-mitochondrial-content-and-intramyocellular-lipids-in-men
#12
Félix St-Jean-Pelletier, Charlotte H Pion, Jean-Philippe Leduc-Gaudet, Nicolas Sgarioto, Igor Zovilé, Sébastien Barbat-Artigas, Olivier Reynaud, Feras Alkaterji, François C Lemieux, Alexis Grenon, Pierrette Gaudreau, Russell T Hepple, Stéphanie Chevalier, Marc Belanger, José A Morais, Mylène Aubertin-Leheudre, Gilles Gouspillou
BACKGROUND: The exact impact of ageing on skeletal muscle phenotype and mitochondrial and lipid content remains controversial, probably because physical activity, which greatly influences muscle physiology, is rarely accounted for. The present study was therefore designed to investigate the effects of ageing, physical activity, and pre-frailty on skeletal muscle phenotype, and mitochondrial and intramyocellular lipid content in men. METHODS: Recreationally active young adult (20-30 yo; YA); active (ACT) and sedentary (SED) middle-age (50-65 yo; MA-ACT and MA-SED); and older (65 + yo; 65 + ACT and 65 + SED) and pre-frail older (65 + PF) men were recruited...
September 2, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27897193/dietary-protein-intake-and-type-2-diabetes-among-women-and-men-in-northeast-china
#13
Jie Li, Changhao Sun, Simin Liu, Ying Li
We conducted a comprehensive and in-depth assessment of different dietary protein sources related to type 2 diabetes (T2D) and determined whether the association is mediated by insulin resistance (IR) and β-cell dysfunction in a population-based cross sectional study of 4,427 women and 2,394 men aged 20-74 years in northeast China. We observed that the intake of total protein, animal protein, and red meat protein was positively associated with T2D prevalence in women. Comparing the women in the highest quintile of protein intake with those in the lowest quintile, the multivariable-adjusted odds ratios of T2D were 2...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27894000/synthesis-and-fluorescence-studies-of-nine-1-5-benzodiazepine-2-4-dione-derivatives-dual-emission-and-excimer-fluorescence
#14
Hamid Reza Qomi, Azizollah Habibi, Seyyed Mohammad Shahcheragh
The photophysical properties of nine 1,5-benzodiazepine-2,4-dione (BZD) derivatives were investigated using absorption and fluorescence spectral techniques in dimethyl sulfoxide. The trend of red shifts caused by the substitutions had full compliance with the trend of decreasing the calculated band gap (ΔELUMO-HOMO) by semi-empirical AM1 and DFT/B3LYP/6-311+G* computational methods. The positive solvatochromism of BZD a demonstrated the π-π* nature of the singlet excited state. Dual fluorescence was observed in the emission spectra of BZD f and g, while their spectrum in different concentration showed only one peak short wavelength (SW) in dilute solutions...
November 22, 2016: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/27893850/a-convenient-in-vivo-model-using-small-interfering-rna-silencing-to-rapidly-assess-skeletal-gene-function
#15
Wen Zhang, Can Liu, Bao Hai, Guohong Du, Hong Wang, Huijie Leng, Yingsheng Xu, Chunli Song
It is difficult to study bone in vitro because it contains various cell types that engage in cross-talk. Bone biologically links various organs, and it has thus become increasingly evident that skeletal physiology must be studied in an integrative manner in an intact animal. We developed a model using local intraosseous small interfering RNA (siRNA) injection to rapidly assess the effects of a target gene on the local skeletal environment. In this model, 160-g male Sprague-Dawley rats were treated for 1-2 weeks...
2016: PloS One
https://www.readbyqxmd.com/read/27893059/the-localized-hemodynamics-of-drug-eluting-stents-are-not-improved-by-the-presence-of-magnetic-struts
#16
P R S Vijayaratnam, T J Barber, J A Reizes
The feasibility of implementing magnetic struts into drug-eluting stents (DESs) to mitigate the adverse hemodynamics which precipitate stent thrombosis is examined. These adverse hemodynamics include platelet-activating high wall shear stresses (WSS) and endothelial dysfunction-inducing low wall shear stresses. By magnetizing the stent struts, two forces are induced on the surrounding blood: (1) magnetization forces which reorient red blood cells to align with the magnetic field and (2) Lorentz forces which oppose the motion of the conducting fluid...
January 1, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/27888580/biology-of-vo2-max-looking-under-the-physiology-lamp
#17
REVIEW
C Lundby, D Montero, M Joyner
In this review, we argue that several key features of maximal oxygen uptake (VO2 max) should underpin discussions about the biological and reductionist determinants of its interindividual variability: (i) training-induced increases in VO2 max are largely facilitated by expansion of red blood cell volume and an associated improvement in stroke volume, which also adapts independent of changes in red blood cell volume. These general concepts are also informed by cross-sectional studies in athletes that have very high values for VO2 max...
November 7, 2016: Acta Physiologica
https://www.readbyqxmd.com/read/27886350/design-of-artificial-red-blood-cells-using-polymeric-hydrogel-microcapsules-hydrogel-stability-improvement-and-polymer-selection
#18
Wujie Zhang, Matthew J Bissen, Emily S Savela, Joshua N Clausen, Samantha J Fredricks, Xiaoru Guo, Zachary R Paquin, Ryan P Dohn, Ian J Pavelich, Alec L Polovchak, Michael J Wedemeyer, Brock E Shilling, Emily N Dufner, Anna C O'Donnell, Gerardo Rubio, Logan R Readnour, Tyler F Brown, Jung C Lee, Matey G Kaltchev, Junhong Chen, Charles S Tritt
PURPOSE: To improve the stability of pectin-oligochitosan hydrogel microcapsules under physiological conditions. METHODS: Two different approaches were examined: change of the cross-linker length and treatment of the hydrogel microcapsules with 150 Mm CaCl2. Replacement of pectin with alginate was also studied. RESULTS AND CONCLUSIONS: It was observed that the molecular weight of the cross-linker oligochiotsan had no significant improvement on microcapsule stability...
November 16, 2016: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/27881551/comparison-of-the-otto-bock-solid-ankle-cushion-heel-foot-with-wooden-keel-to-the-low-cost-cr-equipements%C3%A2-solid-ankle-cushion-heel-foot-with-polypropylene-keel-a-randomized-prospective-double-blind-crossover-study-assessing-patient-satisfaction-and-energy
#19
Alain Lacraz, Stéphane Armand, Katia Turcot, Gorki Carmona, Richard Stern, Olivier Borens, Mathieu Assal
BACKGROUND: The International Committee of the Red Cross supports a worldwide program of prosthetic fitting and rehabilitation. In this context, a prosthetic foot was developed and widely distributed in least developed countries. STUDY DESIGN: Prospective, randomized, double-blind, controlled study. OBJECTIVE: To compare patient satisfaction and energy expenditure during ambulation between a low-cost prosthetic foot designed with a polypropylene keel (CR-Equipements(™) solid ankle cushion heel, International Committee of the Red Cross) to a well-recognized solid ankle cushion heel foot with a wooden keel (solid ankle cushion heel foot, Otto Bock)...
November 22, 2016: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/27876477/current-prescribing-practices-for-skin-and-soft-tissue-infections-in-nursing-homes
#20
Diana Feldstein, Philip D Sloane, David Weber, Kimberly Ward, David Reed, Sheryl Zimmerman
OBJECTIVES: Antibiotic stewardship has been called for across all sites of health care, including nursing homes (NHs). Skin and soft tissue infections (SSTIs) are the third most common indication for antibiotics in the NH, and so should be a focus of stewardship. This study audited medical records to identify signs and symptoms of SSTIs treated with antibiotics in relation to the McGeer criteria for surveillance, the Loeb minimum criteria for antibiotic initiation, and prescribing recommendations of the Infectious Disease Society of America...
November 18, 2016: Journal of the American Medical Directors Association
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