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https://www.readbyqxmd.com/read/29783277/how-safe-is-safe-enough-for-self-driving-vehicles
#1
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/29783249/prognosis-of-ischaemic-heart-disease-in-patients-with-newly-diagnosed-dm-type-2-by-logistic-regression
#2
Alina Urbanovych, Halyna Suslyk
OBJECTIVE: Introduction: Diabetes Mellitus (DM) type 2 is an important medical and social problem all around the world. One of the most serious and widespread complications of DM type 2 is a damage to the cardiovascular system. The aim was to study the way of how to predict the IHD development in patients with the newly diagnosed DM type 2 by building a mathematical model with the help of statistical method, in particular, a logistic regression, which allows predicting the occurrence of IHD by the levels of proven biochemical and anthropometric indices...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783241/-assessment-of-the-life-quality-for-patients-with-chronic-pancreatitis
#3
Viktor A Ohniev, Pavlo O Trehub
OBJECTIVE: Introduction: The relevance of study, assessment and prediction of the life quality of patients with chronic pancreatitis to improve the provision of medical care and rehabilitation is high, since it allows to solve a number of important medical, social and economic problems of society. The aim: The aim: To study, evaluate and develop a model for the quality of life assessment in patients with chronic pancreatitis. PATIENTS AND METHODS: Materials and methods: The primary material was the results of a sociological study of patients with chronic pancreatitis conducted by the authors - 300 questionnaires...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783231/allergenic-weed-pollen-forecast-under-the-mathematical-modeling-method-implementation-in-ukraine
#4
Irina I Motruk, Michael Yu Antomonov, Victoria V Rodinkova, Olena E Aleksandrova, Oleh V Yermishev
OBJECTIVE: Introduction: Allergies are the most common reason of the chronic diseases in developed countries and represent an important medical, social and economic issue, the relevance of which is growing both in these countries and in Ukraine. The most famous of these allergens group is the pollen of ambrosia and pollen of poaceae, which are ubiquitously distributed in the subtropical and temperate climate. The aim: The objective of our study was to develop the mathematical models, which will be able to indicate the probability of the pollen circulation, and thus these models can simplify the forecast of symptoms risk and improve the prophylaxis of pollinosis...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783218/the-role-of-parents-in-motivation-for-orthodontic-treatment-for-children
#5
Anna Ye Karasiunok, Liubov V Smahliuk
OBJECTIVE: Introduction: One of the main features of orthodontic treatment is the cooperation of the doctor with the patient. Active growth of a child's organism at the age from 6 to 12 has not only physiological but also psychological aspects of development. Motivation for orthodontic treatment is absent during mixed dentition. Only taking into account the somato-psychological status and the psycho-emotional condition of the patient during the orthodontic treatment allows to choose an optimal treatment option and to predict its effectiveness...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783192/interaction-of-dna-and-mononucleotides-with-theophylline-investigated-using-electrochemical-biosensors-and-biosensing
#6
Katarína Nemčeková, Ján Labuda, Viktor Milata, Jana Blaškovičová, Jozef Sochr
The understanding of DNA-drug interaction mechanism is among the important aspects of biological studies for drug design, discovery and pharmaceutical development processes. Published rather detailed FTIR and UV-visible spectroscopic studies on the interactions of theophylline, theobromine and caffeine with calf thymus DNA have shown effective binding of these methylxanthine derivatives to DNA and RNA involving H-bonds. However, to our knowledge, there is no such investigation using electrochemical approach...
May 3, 2018: Bioelectrochemistry
https://www.readbyqxmd.com/read/29783168/fluorescence-probes-for-real-time-remote-cyanobacteria-monitoring-a-review-of-challenges-and-opportunities
#7
REVIEW
Edoardo Bertone, Michele A Burford, David P Hamilton
In recent years, there has been a widespread deployment of submersible fluorescence sensors by water utilities. They are used to measure diagnostic pigments and estimate algae and cyanobacteria abundance in near real-time. Despite being useful and promising tools, operators and decision-makers often rely on the data provided by these probes without a full understanding of their limitations. As a result, this may lead to wrong and misleading estimations which, in turn, means that researchers and technicians distrust these sensors...
May 10, 2018: Water Research
https://www.readbyqxmd.com/read/29783165/preferential-feeding-in-naegleria-fowleri-intracellular-bacteria-isolated-from-amoebae-in-operational-drinking-water-distribution-systems
#8
Haylea C Miller, Matthew J Morgan, Tom Walsh, Jason T Wylie, Anna H Kaksonen, Geoffrey J Puzon
The amoeba Naegleria fowleri is the causative agent of the highly fatal disease, primary amoebic meningoencephalitis, and estimated to cause 16 deaths per year in the United States alone. Colonisation of drinking water distribution systems (DWDSs) by the N. fowleri is a significant public health issue. Understanding the factors which enable this pathogen to colonise and thrive in DWDSs is critical for proper management. The microbial ecology within DWDSs may influence the ability of N. fowleri to colonise DWDSs by facilitating the availability of an appropriate food source...
May 6, 2018: Water Research
https://www.readbyqxmd.com/read/29783161/candidate-gene-analysis-in-the-s%C3%A3-o-paulo-epidemiologic-sleep-study-episono-shows-an-association-of-variant-in-pde4d-and-sleepiness
#9
Victoria M Pak, Diego R Mazzotti, Brendan T Keenan, Camila Hirotsu, Philip Gehrman, Lia Bittencourt, Allan I Pack, Sergio Tufik
INTRODUCTION: Sleepiness and cardiovascular disease share common molecular pathways; thus, genetic risk factors for sleepiness may also predict cardiovascular disease risk. This study explored the associations between subjective sleepiness and single-nucleotide polymorphisms (SNPs) in candidate genes within oxidative stress, inflammatory, and neuronal pathways, which may contribute to sleepiness and downstream cardiovascular disease risk: Cytochrome B-245, Alpha Polypeptide (CYBA), Cytochrome B-245, Beta Polypeptide (CYBB), Neutrophil Cytosolic Factor (NCF2), Tumor Necrosis Factor-Alpha (TNFA), and Phosphodiesterase 4D (PDE4D)...
January 12, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29783156/transient-impairment-of-olfactory-threshold-in-acute-multiple-sclerosis-relapse
#10
Gabriel Bsteh, Harald Hegen, Felix Ladstätter, Klaus Berek, Matthias Amprosi, Sebastian Wurth, Michael Auer, Franziska Di Pauli, Florian Deisenhammer, Andreas Lutterotti, Thomas Berger
BACKGROUND: Impairment of olfactory threshold is a feature of early and active relapsing remitting multiple sclerosis (RRMS). It predicts inflammatory disease activity and was reported to be transient. However, the timing of onset and resolve of olfactory threshold impairment remains unclear. OBJECTIVE: To prospectively assess the development of olfactory threshold in acute MS relapse over time in comparison to stable MS patients. METHODS: In a prospective observational design, we measured olfactory threshold by performing the Sniffin' Sticks test (minimum score 0, maximum score 16 reflecting optimal olfactory function) at baseline and after 4, 12 and 24 weeks...
May 18, 2018: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29783149/potential-of-near-infrared-spectroscopy-for-quality-evaluation-of-cattle-leather
#11
Carlos Eduardo M Braz, Manuel Antonio C Jacinto, Edenir R Pereira-Filho, Gilberto B Souza, Ana Rita A Nogueira
Models using near-infrared spectroscopy (NIRS) were constructed based on physical-mechanical tests to determine the quality of cattle leather. The following official parameters were used, considering the industry requirements: tensile strength (TS), percentage elongation (%E), tear strength (TT), and double hole tear strength (DHS). Classification models were constructed with the use of k-nearest neighbor (kNN), soft independent modeling of class analogy (SIMCA), and partial least squares-discriminant analysis (PLS-DA)...
May 9, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29783137/body-composition-as-a-predictor-of-physical-performance-in-older-age-a-ten-year-follow-up-of-the-helsinki-birth-cohort-study
#12
Tuija M Mikkola, Mikaela B von Bonsdorff, Minna K Salonen, Mika Simonen, Pertti Pohjolainen, Clive Osmond, Mia-Maria Perälä, Taina Rantanen, Eero Kajantie, Johan G Eriksson
BACKGROUND: This study assessed how different measures of body composition predict physical performance ten years later among older adults. METHODS: The participants were 1076 men and women aged 57 to 70 years. Body mass index (BMI), waist circumference, and body composition (bioelectrical impedance analysis) were measured at baseline and physical performance (Senior Fitness Test) ten years later. Linear regression analyses were adjusted for age, education, smoking, duration of the follow-up and physical activity...
May 14, 2018: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/29783106/prediction-of-the-combined-effects-of-multiple-estrogenic-chemicals-on-mcf-7-human-breast-cancer-cells-and-a-preliminary-molecular-exploration-of-the-estrogenic-proliferative-effects-and-related-gene-expression
#13
Shengwu Yuan, Chao Huang, Xiaoya Ji, Mei Ma, Kaifeng Rao, Zijian Wang
The environmental risks of environmental estrogens (EEs) are often assessed via the same mode of action in the concentration addition (CA) model, neglecting the complex combined mechanisms at the genetic level. In this study, the cell proliferation effects of estrone, 17α-ethinylestradiol, 17β-estradiol, estriol, diethylstilbestrol, estradiol valerate, bisphenol A, 4-tert-octylphenol and 4-nonylphenol were determined individually using the CCK-8 method, and the proliferation effects of a multicomponent mixture of estrogenic chemicals mixed at equipotent concentrations using a fixed-ratio design were studied using estrogen-sensitive MCF-7 cells...
May 18, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29783093/a-direct-plasma-mirna-assay-for-early-detection-and-histological-classification-of-lung-cancer
#14
Qixin Leng, Yue Wang, Feng Jiang
Cell-free microRNAs in plasma provide circulating biomarkers for lung cancer. Most techniques for analysis of miRNAs require a large plasma volume to purify a sufficient RNA yield followed by complicated downstream processing. Small differences in the multiple procedures often cause large analytical variations and poor diagnostic values of the plasma biomarkers. Here we investigate whether directly quantifying plasma miRNAs without RNA purification could diagnose lung cancer. FirePlex assay was directly applied to 20 μl plasma of 56 lung cancer patients and 28 cancer free controls for quantifying 11 lung tumor-associated miRNAs...
May 17, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29783079/altered-neural-encoding-of-prediction-errors-in-assault-related-posttraumatic-stress-disorder
#15
Marisa C Ross, Jennifer K Lenow, Clinton D Kilts, Josh M Cisler
Posttraumatic stress disorder (PTSD) is widely associated with deficits in extinguishing learned fear responses, which relies on mechanisms of reinforcement learning (e.g., updating expectations based on prediction errors). However, the degree to which PTSD is associated with impairments in general reinforcement learning (i.e., outside of the context of fear stimuli) remains poorly understood. Here, we investigate brain and behavioral differences in general reinforcement learning between adult women with and without a current diagnosis of PTSD...
May 12, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29783077/effects-of-prolonged-exposure-and-virtual-reality-exposure-on-suicidal-ideation-in-active-duty-soldiers-an-examination-of-potential-mechanisms
#16
REVIEW
Aaron M Norr, Derek J Smolenski, Greg M Reger
OBJECTIVE: The current study sought to investigate the effects of exposure therapy on suicidal ideation (SI), as well as potential mechanistic pathways of SI reduction among active duty military personnel. METHODS: Active duty army soldiers (N = 162) were recruited from a military base in the U.S. and were enrolled in a randomized clinical trial comparing Prolonged Exposure (PE), Virtual Reality Exposure (VRE), and a wait-list control for the treatment of posttraumatic stress disorder (PTSD) stemming from deployments to Iraq or Afghanistan...
May 12, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29783076/disrupted-reward-and-cognitive-control-networks-contribute-to-anhedonia-in-depression
#17
Liang Gong, Cancan He, Haisan Zhang, Hongxing Zhang, Zhijun Zhang, Chunming Xie
Neuroimaging studies have identified that anhedonia, a core feature of major depressive disorder (MDD), is associated with dysfunction in reward and cognitive control processing. However, it is still not clear how the reward network (β-network) and the cognitive control network (δ-network) are linked to biased anhedonia in MDD patients. Sixty-eight MDD patients and 64 cognitively normal (CN) subjects underwent a resting-state functional magnetic resonance imaging scan. A 2*2 ANCOVA analysis was used to explore the differences in the nucleus accumbens-based, voxelwise functional connectivity (FC) between the groups...
May 12, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29783075/mir-19a-negatively-regulated-the-expression-of-pten-and-promoted-the-growth-of-ovarian-cancer-cells
#18
Yuhong Wang, Shuzhen Zhao, Lihong Zhu, Quanle Zhang, Yanfang Ren
Ovarian cancer is the most lethal malignancy of the women genital tract. Exploring novel factors involved in the development of ovarian cancer and characterizing the molecular mechanisms by which regulate the tumorigenesis of ovarian cancer are quite necessary. Here, we found that miR-19a was highly expressed in ovarian cancer tissues and cell lines. Overexpression of miR-19a promoted the viability of ovarian cancer cells, while down-regulation of miR-19a inhibited the growth of ovarian cancer cells. To further understand the underlying molecular mechanism of miR-19a in regulating ovarian cancer cell growth, the downstream targets of miR-19a were predicted...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29783071/mef2a-regulates-calpain-3-expression-in-l6-myoblasts
#19
Ronghua Wu, Jun Wang, Jian Yao, Zhangji Dong, Yan Liu, Mei Liu
Calpain 3 (Capn3), a skeletal muscle-specific member of the calpain family, executes some non-proteolytic functions besides its role as a Ca2+ -regulated proteolytic enzyme. Previously, we found that changes in Capn3 expression were linearly correlated with the degree of muscular atrophy following reversible sciatic nerve injury and that knockdown of Capn3 gene expression promoted myoblast differentiation. While the regulation of capn3 gene expression is interesting, transcriptional regulation of Capn3 is still unclear...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29783067/motor-retraining-more-for-functional-movement-disorders-outcomes-from-a-one-week-multidisciplinary-rehabilitation-program
#20
Alexandra Jacob, Darryl Kaelin, Abbey Roach, Craig Ziegler, Kathrin LaFaver
BACKGROUND: Functional Movement Disorders (FMD) are conditions of abnormal motor control thought to be caused by psychological factors. These disorders are commonly seen in neurological practice and prognosis is often poor. No consensus treatment guidelines have been established, however the role of physical therapy in addition to psychotherapy has increasingly been recognized. This study reports patient outcomes from a multidisciplinary FMD treatment program using motor retraining (MoRe) strategies...
May 18, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
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