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https://www.readbyqxmd.com/read/28213956/the-relation-between-international-normalized-ratio-and-mortality-in-acute-pulmonary-embolism-a-retrospective-study
#1
Tuncay Kırış, Selcuk Yazıcı, Gündüz Durmuş, Yiğit Çanga, Mustafa Karaca, Cem Nazlı, Abdullah Dogan
BACKGROUND: Acute pulmonary embolism (PE) is a serious clinical disease characterized by a high mortality rate. The aim of this study was to assess the prognostic value of international normalized ratio (INR) in acute PE patients not on anticoagulant therapy. METHODS: The study included 244 hospitalized acute PE patients who were not receiving previous anticoagulant therapy. Based on their 30-day mortality, patients were categorized as survivors or non-survivors...
February 18, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28213327/visualizing-bpa-by-molecularly-imprinted-ratiometric-fluorescence-sensor-based-on-dual-emission-nanoparticles
#2
Hongzhi Lu, Shoufang Xu
Construction of ratiometric fluorescent probe often involved in tedious multistep preparation or complicated coupling or chemical modification process. The emergence of dual emission fluorescent nanoparticles would simplify the construction process and avoids the tedious chemical coupling. Herein, we reported a facile strategy to prepare ratiometric fluorescence molecularly imprinted sensor based on dual emission nanoparticles (d-NPs) which comprised of carbon dots and gold nanoclusters for detection of Bisphenol A (BPA)...
February 11, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28213294/a-low-cost-simplified-and-scaleable-pneumotachograph-and-face-mask-for-neonatal-mouse-respiratory-measurements
#3
Jenny J Sun, Roshan Nanu, Russell S Ray
INTRODUCTION: Neonatal respiratory disorders are a leading cause of perinatal mortality due to complications resulting from premature births and prenatal exposure to drugs of abuse, but optimal treatments for these symptoms are still unclear due to a variety of confounds and risk factors. Mouse models present an opportunity to study the underlying mechanisms and efficacy of potential treatments of these conditions with controlled variables. However, measuring respiration in newborn mice is difficult and commercial components are expensive and often require modification, creating a barrier and limiting our understanding of the short and long-term effects of birth complications on respiratory function...
February 14, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28213292/improving-therapeutic-outcomes-in-autism-spectrum-disorders-enhancing-social-communication-and-sensory-processing-through-the-use-of-interactive-robots
#4
REVIEW
Felippe Sartorato, Leon Przybylowski, Diana K Sarko
For children with autism spectrum disorders (ASDs), social robots are increasingly utilized as therapeutic tools in order to enhance social skills and communication. Robots have been shown to generate a number of social and behavioral benefits in children with ASD including heightened engagement, increased attention, and decreased social anxiety. Although social robots appear to be effective social reinforcement tools in assistive therapies, the perceptual mechanism underlying these benefits remains unknown...
February 7, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28212810/chromosomal-instability-analysis-and-regional-tumor-heterogeneity-in-colon-cancer
#5
Vincenza Barresi, Sergio Castorina, Nicolò Musso, Carmela Capizzi, Tonia Luca, Giovanna Privitera, Daniele Filippo Condorelli
Chromosomal instability (CIN) is classically defined as an increase in the rate at which numerical or structural chromosomal aberrations are acquired in a cancer cell. The number of somatic copy number abnormalities (CNAs) revealed by high resolution genomic array can be considered as a surrogate marker for CIN, but several points, related to sample processing and data analysis, need to be standardized. In this work we analyzed 51 CRC samples and matched normal mucosae by whole genome SNP arrays and compared different bioinformatics tools in order to identify broad (>25% of a chromosomal arm) and focal somatic copy number abnormalities (BCNAs and FCNAs respectively)...
January 2017: Cancer Genetics
https://www.readbyqxmd.com/read/28212686/validity-of-a-simplified-screening-instrument-for-assessing-overweight-children-in-a-dental-setting-a-cross-sectional-study
#6
Amir Azarpazhooh, Anoushe Sekhavat, Michael J Sigal
BACKGROUND: Obesity, with its rising prevalence among Canadians and its estimated cost of $2 billion annually in Canada, is no longer considered a cosmetic issue, but a major health issue that imposes a great burden on the healthcare system and economy. This cross sectional study aims to evaluate the feasibility of identifying the weight status of 6 to 11 year-old children in a university dental clinic using a simplified overweight screening instrument. METHODS: One hundred sixty eight healthy children were enrolled...
February 17, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28212405/a-simplified-fractional-order-impedance-model-and-parameter-identification-method-for-lithium-ion-batteries
#7
Qingxia Yang, Jun Xu, Binggang Cao, Xiuqing Li
Identification of internal parameters of lithium-ion batteries is a useful tool to evaluate battery performance, and requires an effective model and algorithm. Based on the least square genetic algorithm, a simplified fractional order impedance model for lithium-ion batteries and the corresponding parameter identification method were developed. The simplified model was derived from the analysis of the electrochemical impedance spectroscopy data and the transient response of lithium-ion batteries with different states of charge...
2017: PloS One
https://www.readbyqxmd.com/read/28211727/analytic-gravitational-waveforms-for-generic-precessing-binary-inspirals
#8
Katerina Chatziioannou, Antoine Klein, Neil Cornish, Nicolás Yunes
Binary systems of two compact objects circularize and spiral toward each other via the emission of gravitational waves. The coupling of the spins of each object with the orbital angular momentum causes the orbital plane to precess, which leads to modulation of the gravitational wave signal. Until now, generating frequency-domain waveforms for fully precessing systems for use in gravitational wave data analysis meant numerically integrating the equations of motion, then Fourier transforming the result, which is very computationally intensive for systems that complete hundreds or thousands of cycles in the sensitive band of a detector...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211274/large-grain-based-hole-blocking-layer-free-planar-type-perovskite-solar-cell-with-best-efficiency-of-18-20
#9
Haejun Yu, Jaehoon Ryu, Jong Woo Lee, Jongmin Roh, Kisu Lee, Juyoung Yun, Jungsup Lee, Yun Ki Kim, Doyk Hwang, Jooyoun Kang, Seong Keun Kim, Jyongsik Jang
There remains tremendous interest in perovskite solar cells (PSCs) in the solar energy field; the certified power conversion efficiency (PCE) now exceeds 20 %. Along with research focused on enhancing PCE, studies are also underway concerning PSC commercialization. It is crucial to simplify the fabrication process and reduce the production cost to facilitate commercialization. Herein, we successfully fabricated highly efficient hole-blocking layer (HBL)-free PSCs through vigorously interrupting penetration of hole-transport material (HTM) into FTO by large grain based-CH3NH3PbI3 (MAPbI3) film, thereby obtaining a PCE of 18...
February 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28211068/dentine-matrix-proteins-isolation-and-effects-on-human-pulp-cells
#10
M Widbiller, A Eidt, S R Lindner, K-A Hiller, H Schweikl, W Buchalla, K M Galler
AIM: To establish a simplified and efficient protocol for the isolation and concentration of matrix proteins from human dentine, and to assess the effects of extracted dentine matrix proteins (eDMP) on the behavior of human pulp cells. METHODOLOGY: Matrix proteins were isolated from human dentine, purified, concentrated and characterized with protein and enzyme-linked immunosorbent assays. Culture media were supplemented with eDMP in different concentrations, referred to as eDMP 1 to 10,000, to assess viability and proliferation of human pulp cells by DNA and MTT assays; apoptotic events were quantified by flow cytometry...
February 17, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28210816/efficient-solvothermal-wet-in-situ-transesterification-of-nannochloropsis-gaditana-for-biodiesel-production
#11
Bora Kim, Yong Keun Chang, Jae W Lee
In situ transesterification of wet microalgae is a promising, simplified alternative biodiesel production process that replaces multiple operations of cell drying, extraction, and transesterification reaction. This study addresses enhanced biodiesel production from Nannochloropsis gaditana at elevated temperatures. Compared with the previously reported in situ transesterification process of conducting the reaction at a temperature ranging from 95 to 125 °C, the present work employs higher temperatures of at least 150 °C...
February 16, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28210478/the-twin-epidemic-in-infertility-care-why-do-we-persist-in-transferring-too-many-embryos
#12
EDITORIAL
W Ombelet
The epidemic of iatrogenic multiple births as a result of infertility treatment are responsible for an unacceptable high incidence of maternal, perinatal and childhood morbidity and mortality. Healthcare costs due to infertility therapy are too high and this may lead to social and political concern. The introduction of single embryo transfer (SET) was a real breakthrough, but was only accepted in most European countries and Japan. The United States, Latin America and most developing countries still have high multiple pregnancy rates...
December 2016: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/28210067/the-effects-of-tai-chi-on-waist-circumference-and-blood-pressure-in-the-elderly
#13
Young Mee Lee
[Purpose] The purpose of this study was to investigate the effects of Tai Chi on waist circumference and blood pressure in the elderly. The present study used a nonequivalent control group pretest-posttest design. [Subjects and Methods] Sixty-eight elderly individuals residing in J city were divided into 2 groups: 34 in the experimental group, who received Tai Chi training for 6 weeks, and 34 in the control group, who did not receive Tai Chi training. Simplified Yang style 24-form Tai Chi was used as the intervention, which was conducted for 60 minutes per session, 5 sessions per week, for a total of 6 weeks...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28210055/effects-of-simplified-lymph-drainage-on-the-body-in-females-with-menopausal-disorder
#14
Kazuhisa Inoue, Hiroshi Maruoka
[Purpose] Hormone replacement therapy has been reported to be effective for alleviating menopausal symptoms, its side effects have been a concern. Therefore, it is necessary to investigate methods that could alleviate menopausal symptoms but with fewer side effects. Few previous reports have investigated the effects of simplified, viable manual lymph drainage, particularly the effects of one-time therapy on physiologically active substances and other variables. Effects of one-time simplified lymph drainage performed at salon A were investigated in females with any type of menopausal symptoms, such as edema or a sense of fatigue...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28209367/helicobacter-pylori-the-past-present-and-future-in-management
#15
REVIEW
Amrit K Kamboj, Thomas G Cotter, Amy S Oxentenko
Helicobacter pylori is a common bacterial pathogen responsible for significant gastrointestinal morbidity worldwide. Helicobacter pylori infection can be clinically challenging, given the numerous diagnostic and therapeutic options available. In this article, we provide a systematic review of H pylori epidemiology and pathogenesis. In addition, we provide a simplified approach to the diagnosis and treatment of H pylori infection, suitable for application in the primary care setting. On completion of this article, one should be able to (1) state the indications for H pylori testing; (2) identify noninvasive and invasive tests to diagnose H pylori infection; and (3) describe the advantages and disadvantages of various treatment regimens...
February 13, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28208424/geometric-approach-to-optimal-nonequilibrium-control-minimizing-dissipation-in-nanomagnetic-spin-systems
#16
Grant M Rotskoff, Gavin E Crooks, Eric Vanden-Eijnden
Optimal control of nanomagnets has become an urgent problem for the field of spintronics as technological tools approach thermodynamically determined limits of efficiency. In complex, fluctuating systems, such as nanomagnetic bits, finding optimal protocols is challenging, requiring detailed information about the dynamical fluctuations of the controlled system. We provide a physically transparent derivation of a metric tensor for which the length of a protocol is proportional to its dissipation. This perspective simplifies nonequilibrium optimization problems by recasting them in a geometric language...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208398/driven-tracers-in-narrow-channels
#17
J Cividini, D Mukamel, H A Posch
Steady-state properties of a driven tracer moving in a narrow two-dimensional (2D) channel of quiescent medium are studied. The tracer drives the system out of equilibrium, perturbs the density and pressure fields, and gives the bath particles a nonzero average velocity, creating a current in the channel. Three models in which the confining effect of the channel is probed are analyzed and compared in this study: the first is the simple symmetric exclusion process (SSEP), for which the stationary density profile and the pressure on the walls in the frame of the tracer are computed...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208394/optimizing-synchronization-stability-of-the-kuramoto-model-in-complex-networks-and-power-grids
#18
Bo Li, K Y Michael Wong
Maintaining the stability of synchronization state is crucial for the functioning of many natural and artificial systems. In this study, we develop methods to optimize the synchronization stability of the Kuramoto model by minimizing the dominant Lyapunov exponent. Using the recently proposed cut-set space approximation of the steady states, we greatly simplify the objective function, and further derive its gradient and Hessian with respect to natural frequencies, which leads to an efficient algorithm with the quasi-Newton's method...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208317/quantum-kramers-model-corrections-to-the-linear-response-theory-for-continuous-bath-spectrum
#19
Ilya Rips
Decay of the metastable state is analyzed within the quantum Kramers model in the weak-to-intermediate dissipation regime. The decay kinetics in this regime is determined by energy exchange between the unstable mode and the stable modes of thermal bath. In our previous paper [Phys. Rev. A 42, 4427 (1990)PLRAAN1050-294710.1103/PhysRevA.42.4427], Grabert's perturbative approach to well dynamics in the case of the discrete bath [Phys. Rev. Lett. 61, 1683 (1988)PRLTAO0031-900710.1103/PhysRevLett.61.1683] has been extended to account for the second order terms in the classical equations of motion (EOM) for the stable modes...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208290/biochip-spray-simplified-coupling-of-surface-plasmon-resonance-biosensing-and-mass-spectrometry
#20
Sweccha Joshi, Han Zuilhof, Teris A van Beek, Michel W F Nielen
A simplified coupling of surface plasmon resonance (SPR) immuno-biosensing with ambient ionization mass spectrometry (MS) was developed. It combines two orthogonal analysis techniques: the biosensing capability of SPR and the chemical identification power of high resolution MS. As a proof-of-principle, deoxynivalenol (DON), an important mycotoxin, was captured using an SPR gold chip containing an antifouling layer and monoclonal antibodies against the toxin and, after washing, the chip could be taken out and analyzed by direct spray MS of the biosensor chip to confirm the identity of DON...
February 7, 2017: Analytical Chemistry
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