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https://www.readbyqxmd.com/read/29786663/modeling-the-effect-of-primary-and-secondary-twinning-on-texture-evolution-during-severe-plastic-deformation-of-a-twinning-induced-plasticity-steel
#1
Laszlo S Toth, Christian Haase, Robert Allen, Rimma Lapovok, Dmitri A Molodov, Mohammed Cherkaoui, Haitham El Kadiri
Modeling the effect of deformation twinning and the ensuing twin-twin- and slip-twin-induced hardening is a long-standing problem in computational mechanical metallurgy of materials that deform by both slip and twinning. In this work, we address this effect using the twin volume transfer method, which obviates the need of any cumbersome criterion for twin variant selection. Additionally, this method is capable of capturing, at the same time, secondary or double twinning, which is particularly important for modeling in large strain regimes...
May 22, 2018: Materials
https://www.readbyqxmd.com/read/29786623/rating-of-perceived-exertion-as-a-method-of-volume-autoregulation-within-a-periodized-program
#2
Eric R Helms, Matt R Cross, Scott R Brown, Adam Storey, John Cronin, Michael C Zourdos
Helms, ER, Cross, MR, Brown, SR, Storey, A, Cronin, J, and Zourdos, MC. Rating of perceived exertion as a method of volume autoregulation within a periodized program. J Strength Cond Res 32(6): 1627-1636, 2018-The purpose of this investigation was to observe how a rating of perceived exertion (RPE)-based autoregulation strategy impacted volume performed by powerlifters. Twelve (26 ± 7 years, n = 9 men, n = 3 women) nationally qualified powerlifters performed the back squat, bench press, and deadlift 3x per week on nonconsecutive days in a session order of hypertrophy, power, and then strength; for 3 weeks...
June 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29786572/dysadipokinemia-in-patients-with-gout-and-its-association-with-the-disease-activity
#3
Inna V Orlova, Mykola A Stanislavchuk, Iryna P Gunko
OBJECTIVE: Introduction: In recent years, the role of adipokines in the development of rheumatic diseases has been a pressing issue. The available data suggest the dysadipokinemia in patients with rheumatoid arthritis, osteoarthritis and psoriatic arthritis. However, there is no data on changes in the levels of adipokines in patients with gout and their association with the activity of inflammatory process. The aim was to study the levels of adipokines in gout patients and evaluate their association with the disease activity...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786418/synthesis-spray-deposition-and-hot-press-transfer-of-copper-nanowires-for-flexible-transparent-electrodes
#4
Rupali Deshmukh, Micha Calvo, Murielle Schreck, Elena Tervoort, Alla S Sologubenko, Markus Niederberger
We report a solution-phase approach to the synthesis of crystalline copper nanowires (Cu NWs) with aspect ratio > 1000 via a new catalytic mechanism comprising copper ions. The synthesis involves the reaction between copper(II) chloride and copper(II) acetylacetonate in a mixture of oleylamine and octadecene. Reaction parameters such as the molar ratio of precursors as well as the volume ratio of solvents offer the possibility to tune the morphology of the final product. A simple low-cost spray deposition method was used to fabricate Cu NW films on a glass substrate...
May 22, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29785534/an-enzyme-free-homogenous-electrochemical-assay-for-sensitive-detection-of-the-plasmid-mediated-colistin-resistance-gene-mcr-1
#5
Bo Li, Zhixin Chai, Xiaohui Yan, Chunchen Liu, Bo Situ, Ye Zhang, Weilun Pan, Shihua Luo, Jianhua Liu, Lei Zheng
Antibiotic resistance associated with the mcr-1 gene of Gram-negative bacteria, which confers resistance to drugs of last resort and has the potential to spread via plasmids, is one of the most pressing issues facing global health today. Point-of-care testing for the mcr-1 gene is needed to aid in the identification of colistin resistance in the field and to control its horizontal transmission. Here, we report the successful development of an enzyme-free homogenous electrochemical strategy for sensitive detection of the antibiotic resistance gene mcr-1 using the hybridization chain reaction and mcr-1-specific toehold probe...
May 22, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29785505/preparing-for-an-insured-old-age-insurance-purchase-and-self-support-in-old-age-in-rural-china
#6
Lihong Shi
This article explores an emerging trend among young and middle-aged rural couples in Northeast China who have purchased recently marketized commercial insurance as a way to prepare for self-support in old age. It discusses how the commercial insurance industry has created a rural elder-care market among a population that traditionally relied on family for support in old age. It also delves into the ways in which the transformations of intergenerational exchange and family structure and a lack of health care access have contributed to the preparation for self-support in old age and have thus fostered the creation of a rural elder-care market for the insurance industry...
May 21, 2018: Journal of Cross-cultural Gerontology
https://www.readbyqxmd.com/read/29785405/prevalence-and-consequences-of-injuries-in-powerlifting-a-cross-sectional-study
#7
Edit Strömbäck, Ulrika Aasa, Kajsa Gilenstam, Lars Berglund
Background: Powerlifting consists of the squat, bench press, and dead lift, and extreme loads are lifted during training and competitions. Previous studies, which have defined an injury as an event that causes an interruption in training or competitions, have reported a relatively low frequency of powerlifting injuries (1.0-4.4 injuries/1000 hours of training). No previous study has investigated the prevalence of injuries, defined as a condition of pain or impairment of bodily function that affects powerlifters' training, in a balanced sample of men and women, and no studies have established possible risk factors for an injury...
May 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29785204/using-digital-health-to-enable-ethical-health-research-in-conflict-and-other-humanitarian-settings
#8
REVIEW
Eric D Perakslis
Conducting research in a humanitarian setting requires quantifiable quality measures to ensure ethical study conduct. Digital health technologies are proven to improve research study quality and efficacy via automated data collection, improvement of data reliability, fidelity and resilience and by improved data provenance and traceability. Additionally, digital health methodologies can improve patient identity, patient privacy, study transparency, data sharing, competent informed consent, and the confidentiality and security of humanitarian operations...
2018: Conflict and Health
https://www.readbyqxmd.com/read/29783734/void-formation-elimination-and-viscoelastic-response-of-polyphenylsilsesquioxane-monolith
#9
Yusuke Daiko, Yuki Oda, Sawao Honda, Yuji Iwamoto
Polyphenylsilsesquioxane (PhSiO3/2 ) particles as an organic-inorganic hybrid were prepared using sol-gel method, and monolithic samples were obtained via a warm-pressing. The reaction mechanism of particles' polymerization and transformation to the monolith under the warm-press were investigated using solid state 29 Si nuclear magnetic resonance (NMR) spectrometer, thermal gravimetric-differential thermal analyzer (TG-DTA), mass spectrometer (MS) and scanning electron microscope (SEM). Transparent and void-free monoliths are successfully obtained by warm-pressing above 180 °C...
May 19, 2018: Materials
https://www.readbyqxmd.com/read/29783728/a-3d-printed-multichannel-viscometer-for-high-throughput-analysis-of-frying-oil-quality
#10
Sein Oh, Byeongyeon Kim, Sungyoung Choi
Viscosity as a sensitive measure of material changes is a potential quality-control parameter for simple and rapid assessment of frying oil quality. However, conventional viscometers require improvements in throughput, portability, cost-effectiveness and usability to be widely adopted for quality-control applications. Here we present a 3D-printed multichannel viscometer for simple, inexpensive and multiplexed viscosity measurement. The multichannel viscometer enables both parallel actuation of multiple fluid flows by pressing the plunger of the viscometer by hand and direct measurement of their relative volumes dispensed with naked eye...
May 19, 2018: Sensors
https://www.readbyqxmd.com/read/29783277/how-safe-is-safe-enough-for-self-driving-vehicles
#11
Peng Liu, Run Yang, Zhigang Xu
Self-driving vehicles (SDVs) promise to considerably reduce traffic crashes. One pressing concern facing the public, automakers, and governments is "How safe is safe enough for SDVs?" To answer this question, a new expressed-preference approach was proposed for the first time to determine the socially acceptable risk of SDVs. In our between-subject survey (N = 499), we determined the respondents' risk-acceptance rate of scenarios with varying traffic-risk frequencies to examine the logarithmic relationships between the traffic-risk frequency and risk-acceptance rate...
May 21, 2018: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/29783250/-signifuing-resident-of-the-city-poltava-at-the-expense-of-signs-stroke-risk-factors-and-urgent-measures-according-to-medico-social-survey
#12
Anzhelina M Kryvchun, Nataliia V Lytvynenko, Viktoriia A Pinchuk, Galyna Ya Sylenko, Viktoriia M Gladka
OBJECTIVE: Introduction: The problem of cerebrovascular diseases and their most severe form - cerebral stroke is one of the most pressing problems in modern medicine due to the high level of lethality, significant disability of patients. The aim: To assess and increase the sign of residents of the city Poltava at the expense of signs of stroke, its risk factors for emergence and emergency measures for stroke. PATIENTS AND METHODS: Materials and methods: During the annual social event dedicated to the World Stroke Day, on October 27, 2017, a survey of 981 people in Poltava city was conducted by volunteer students and staff of the Department of Nervous Diseases with Neurosurgery and Medical Genetics of "Ukrainian Medical Stomatological Academy"...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783234/-myocardial-bridge-as-the-only-cause-of-acute-coronary-syndrome-among-the-young-patients
#13
Liudmila O Miakinkova, Yurii V Teslenko, Irina V Tsyhanenko
OBJECTIVE: Introduction: Myocardial bridge is an inborn anomaly of coronary artery development, when a part of it is submerged in a myocard, which is pressing the coronary artery to a systola and restrains coronary blood circulation. Generally this feature of coronary blood circulation does not cause any clinical symptoms because the 85% of coronary blood stream of the left ventricle is provided by diastolic filling. Hemodynamic changes in atherosclerosis, tahicardie, hypertrophie of myocard are leading to the manifestation of clinical symptoms of ischemia...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783052/the-effect-of-the-supporting-electrolyte-on-the-electrooxidation-of-enrofloxacin-using-a-flow-cell-with-a-bdd-anode-kinetics-and-follow-up-of-oxidation-intermediates-and-antimicrobial-activity
#14
Jussara F Carneiro, José M Aquino, Adilson J Silva, Juliana C Barreiro, Quezia B Cass, Romeu C Rocha-Filho
The role of the supporting electrolyte - SE (Na2 SO4 ; NaCl; Na2 CO3 ; NaNO3 ; Na3 PO4 - 0.1 M ionic strength) in the galvanostatic (10 mA cm-2 ) electrochemical degradation of the fluoroquinolone antibiotic enrofloxacin (ENRO; 100 mg L-1 ) using a filter-press flow cell with a boron-doped diamond anode was investigated (flow rate, solution volume, and temperature were kept fixed at 420 L h-1 , 1.0 L, and 25 °C, respectively). The electrochemical degradation performance with the different SEs was assessed by following up [ENRO], total organic carbon concentration (TOC), oxidation intermediates (detected by LC and LC-QqTOF), and antimicrobial activity towards Escherichia coli as the electrolyses progressed...
May 10, 2018: Chemosphere
https://www.readbyqxmd.com/read/29781982/the-motor-in-implicit-motor-sequence-learning-a-foot-stepping-serial-reaction-time-task
#15
Yue Du, Jane E Clark
This protocol describes a modified serial reaction time (SRT) task used to study implicit motor sequence learning. Unlike the classic SRT task that involves finger-pressing movements while sitting, the modified SRT task requires participants to step with both feet while maintaining a standing posture. This stepping task necessitates whole body actions that impose postural challenges. The foot-stepping task complements the classic SRT task in several ways. The foot-stepping SRT task is a better proxy for the daily activities that require ongoing postural control, and thus may help us better understand sequence learning in real-life situations...
May 3, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29781942/effort-index-as-a-novel-variable-for-monitoring-the-level-of-effort-during-resistance-exercises
#16
David Rodríguez-Rosell, Juan M Yáñez-García, Julio Torres-Torrelo, Ricardo Mora-Custodio, Mário C Marques, Juan J González-Badillo
Rodríguez-Rosell, D, Yáñez-García, JM, Torres-Torrelo, J, Mora-Custodio, R, Marques, MC, and González-Badillo, JJ. Effort index as a novel variable for monitoring the level of effort during resistance exercises. J Strength Cond Res XX(X): 000-000, 2018-This study aimed to analyze the acute mechanical and metabolic response to resistance exercise protocols (REPs) defined by 2 variables: the first repetition's mean velocity and the percentage of velocity loss (%VL) over the set. The product of these 2 variables was termed the effort index (EI) and was used as an indicator of the degree of fatigue induced during each REP...
May 11, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29781915/childhood-asthma-disparities-in-chicago-developing-approaches-to-health-inequities
#17
Molly A Martin, Melissa Gutierrez Kapheim, Kim Erwin, Stacy Ignoffo, Kate McMahon, Amy OʼRourke, Lynn B Gerald, Meredith Barrett, Valerie G Press, Houshang Darabi, Jerry A Krishnan
We conducted a needs assessment to develop an evidence-based, locally tailored asthma care implementation plan for high-risk children with asthma in Chicago. Our team of health policy experts, clinicians, researchers, and designers included extensive stakeholder engagement (N = 162) in a mixed-methods community needs assessment. Results showed the lines of communication and collaboration across sectors were weak; caregivers were the only consistent force and could not always manage this burden. A series of recommendations for interventions and how to implement and measure them were generated...
July 2018: Family & Community Health
https://www.readbyqxmd.com/read/29781662/development-and-validation-of-the-narcissistic-vulnerability-scale-an-adjective-rating-scale
#18
Michael L Crowe, Elizabeth A Edershile, Aidan G C Wright, W Keith Campbell, Donald R Lynam, Joshua D Miller
There is an ongoing debate regarding the nature of narcissism such that some argue that narcissistic individuals oscillate between grandiose and vulnerable states, whereas others argue these dimensions are stable traits (e.g., grandiose individuals remain in grandiose states). Scales sensitive to fluctuations in narcissistic states are necessary to address this question. The current study (N = 1,613 across three samples) validates the newly developed Narcissistic Vulnerability Scale (NVS), a brief (11-item) adjective-based measure of vulnerable narcissism...
May 21, 2018: Psychological Assessment
https://www.readbyqxmd.com/read/29781559/hot-off-the-press-sgem-215-aortic-dissection-love-will-tear-us-apart
#19
Corey Heitz, Justin Morgenstern, Christopher Bond, William K Milne
This systematic review provides an assessment of the diagnostic accuracy of various historical, physical, and clinical examination features for aortic dissection. 9 articles were included, with moderate to high heterogeneity. Limitations to general practice include risk of selection bias and partial verification bias. Risk scores were included, but their use is not recommended at this time. This article is protected by copyright. All rights reserved.
May 21, 2018: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29781446/pyro-phototronic-nanogenerator-based-on-flexible-2d-zno-graphene-heterojunction-and-its-application-in-self-powered-near-infrared-photodetector-and-active-analog-frequency-modulation
#20
Parikshit Sahatiya, Akash Shinde, Sushmee Badhulika
Even though 2D ZnO has been utilized for enhanced self-powered sensing by strain modulation due to its piezoelectric property, study on utilizing pyroelectric property of ZnO remains unexplored. The piezoelectric property of 2D ZnO works on mechanical strain which disrupts the structure of ZnO leading to the failure of device. For pyroelectric nanogenerator, temperature difference can be triggered by external light source which does not disrupt the ZnO structure and also avoids the need for physical bending/pressing as in case of piezoelectric nanogenerator...
May 21, 2018: Nanotechnology
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