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Yanyong Guo, Zhibin Li, Yao Wu, Chengcheng Xu
Bicyclists running the red light at crossing facilities increase the potential of colliding with motor vehicles. Exploring the contributing factors could improve the prediction of running red-light probability and develop countermeasures to reduce such behaviors. However, individuals could have unobserved heterogeneities in running a red light, which make the accurate prediction more challenging. Traditional models assume that factor parameters are fixed and cannot capture the varying impacts on red-light running behaviors...
March 17, 2018: Accident; Analysis and Prevention
Jiankui Feng, Erwei Yin, Jing Jin, Rami Saab, Ian Daly, Xingyu Wang, Dewen Hu, Andrzej Cichocki
The start of the cue is often used to initiate the feature window used to control motor imagery (MI)-based brain-computer interface (BCI) systems. However, the time latency during an MI period varies between trials for each participant. Fixing the starting time point of MI features can lead to decreased system performance in MI-based BCI systems. To address this issue, we propose a novel correlation-based time window selection (CTWS) algorithm for MI-based BCIs. Specifically, the optimized reference signals for each class were selected based on correlation analysis and performance evaluation...
March 2, 2018: Neural Networks: the Official Journal of the International Neural Network Society
Josef Parvizi, Kapil Gururangan, Babak Razavi, Chris Chafe
OBJECTIVE: The traditional approach to interpreting electroencephalograms (EEGs) requires physicians with formal training to visually assess the waveforms. This approach can be less practical in critical settings where a trained EEG specialist is not readily available to review the EEG and diagnose ongoing subclinical seizures, such as nonconvulsive status epilepticus. METHODS: We have developed a novel method by which EEG data are converted to sound in real time by letting the underlying electrophysiological signal modulate a voice tone that is in the audible range...
March 20, 2018: Epilepsia
Elisa Banchi, Claudio Gennaro Ametrano, David Stanković, Pierluigi Verardo, Olga Moretti, Francesca Gabrielli, Stefania Lazzarin, Maria Francesca Borney, Francesca Tassan, Mauro Tretiach, Alberto Pallavicini, Lucia Muggia
Fungal spores and mycelium fragments are particles which become and remain airborne and have been subjects of aerobiological studies. The presence and the abundance of taxa in aerobiological samples can be very variable and impaired by changeable climatic conditions. Because many fungi produce mycotoxins and both their mycelium fragments and spores are potential allergens, monitoring the presence of these taxa is of key importance. So far data on exposure and sensitization to fungal allergens are mainly based on the assessment of few, easily identifiable taxa and focused only on certain environments...
2018: PloS One
Georg Jäger, Sebastian Zug, António Casimiro
The advent of cooperative systems entails a dynamic composition of their components. As this contrasts current, statically composed systems, new approaches for maintaining their safety are required. In that endeavor, we propose an integration step that evaluates the failure model of shared information in relation to an application's fault tolerance and thereby promises maintainability of such system's safety. However, it also poses new requirements on failure models, which are not fulfilled by state-of-the-art approaches...
March 20, 2018: Sensors
Kevin J Mahoney, Ellen K Mahoney, Carmen Morano, Andrew DeVellis
Unmet need for long-term services and supports has been linked to a variety of harmful health outcomes. One suggested strategy for ameliorating unmet need is to give participants control of a budget and let them construct individualized plans. The evaluation of the Cash and Counseling controlled experiment (CCDE) documented a marked reduction in unmet need when compared to traditional agency-based solutions, but it also showed significant unmet needs remained. This paper reanalyzes 76 case studies from the CCDE to, for the first time gain an understanding of what those unmet needs are, who sees them, and what participants, caregivers and support brokers think might reduce this problem...
March 20, 2018: Journal of Gerontological Social Work
Deborah Toppenberg-Pejcic, Jane Noyes, Tomas Allen, Nyka Alexander, Marsha Vanderford, Gaya Gamhewage
A rapid review of gray literature from 2015 to 2016 was conducted to identify the lessons learned for emergency risk communication from recent outbreaks of Ebola, Zika, and yellow fever. Gray literature databases and key websites were searched and requests for documents were posted to expert networks. A total of 83 documents met inclusion criteria, 68 of which are cited in this report. This article focuses on the 3 questions, out of 12 posed by World Health Organization as part of a Guideline development process, dealing most directly with communicating risk during health emergencies: community engagement, trust building, and social media...
March 20, 2018: Health Communication
Kei-Anne Baritugo, Hee Taek Kim, Yokimiko David, Jong-Il Choi, Soon Ho Hong, Ki Jun Jeong, Jong Hyun Choi, Jeong Chan Joo, Si Jae Park
Bio-based production of industrially important chemicals provides an eco-friendly alternative to current petrochemical-based processes. Because of the limited supply of fossil fuel reserves, various technologies utilizing microbial host strains for the sustainable production of platform chemicals from renewable biomass have been developed. Corynebacterium glutamicum is a non-pathogenic industrial microbial species traditionally used for L-glutamate and L-lysine production. It is a promising species for industrial production of bio-based chemicals because of its flexible metabolism that allows the utilization of a broad spectrum of carbon sources and the production of various amino acids...
March 20, 2018: Applied Microbiology and Biotechnology
Juan Pablo Acevedo, Ioannis Angelopoulos, Danny van Noort, Maroun Khoury
Microfabrication and microfluidics contribute to the research of cellular functions of cells and their interaction with their environment. Previously, it has been shown that microfluidics can contribute to the isolation, selection, characterization and migration of cells. This review aims to provide stem cell researchers with a toolkit of microtechnology (mT) instruments for elucidating complex stem cells functions which are challenging to decipher with traditional assays and animal models. These microdevices are able to investigate about the differentiation and niche interaction, stem cells transcriptomics, therapeutic functions and the capture of their secreted microvesicles...
March 20, 2018: Regenerative Medicine
Uros Marusic, Sidney Grosprêtre
Normal and pathological ageing are associated with several motor impairments that reduce quality of life and represent a general challenge for public healthcare systems. Consequently, over the past decades, many scientists and physiotherapists dedicated their research to the development and improvement of safe and costless methods to counteract the progressive decline of motor functions with age. The urgency of finding new and easy to implement methods is even more paramount in case of acute pathologies (e...
March 20, 2018: European Journal of Sport Science
Fiona Lim Mei Ying, Maria Choy Yin Ping, Macy Tong, Elaine Yim Pik Yan, Tracy Lui Siu Yee, Lam Yuk Ting, Anita Lo Wing Sim, Lui Cheuk Yu, Bosco Lam Hoi Shiu, Ashley Cheng Chi Kin
PURPOSE: International guidelines adopt risk stratification approach to manage patients with low-risk febrile neutropenia patients. We developed this out-patient program using shared-care model with professional input and patient empowerment, so as to reduce patients' psychological burden from hospitalization and to improve the cost-effectiveness of management. METHOD: This is a prospective cohort study to compare the efficacy and safeness of the out-patient program when compared with traditional in-patient care...
March 20, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
Jiehua Zhou, Daniel Lazar, Haitang Li, Xin Xia, Sangeetha Satheesan, Paige Charlins, Denis O'Mealy, Ramesh Akkina, Sheena Saayman, Marc S Weinberg, John J Rossi, Kevin V Morris
Gene-based therapies represent a promising therapeutic paradigm for the treatment of HIV-1, as they have the potential to maintain sustained viral inhibition with reduced treatment interventions. Such an option may represent a long-term treatment alternative to highly active antiretroviral therapy. Methods: We previously described a therapeutic approach, referred to as transcriptional gene silencing (TGS), whereby small noncoding RNAs directly inhibit the transcriptional activity of HIV-1 by targeting sites within the viral promoter, specifically the 5' long terminal repeat (LTR)...
2018: Theranostics
Yifan Wang, Weiye Deng, Nan Li, Shinya Neri, Amrish Sharma, Wen Jiang, Steven H Lin
Since the approval of anti-CTLA4 therapy (ipilimumab) for late-stage melanoma in 2011, the development of anticancer immunotherapy agents has thrived. The success of many immune-checkpoint inhibitors has drastically changed the landscape of cancer treatment. For some types of cancer, monotherapy for targeting immune checkpoint pathways has proven more effective than traditional therapies, and combining immunotherapy with current treatment strategies may yield even better outcomes. Numerous preclinical studies have suggested that combining immunotherapy with radiotherapy could be a promising strategy for synergistic enhancement of treatment efficacy...
2018: Frontiers in Pharmacology
Pei-Pei Sun, Fu-Lun Tan, Zong Zhang, Yi-Han Jiang, Yang Zhao, Chao-Zhe Zhu
The mirror neuron system (MNS), mainly including the premotor cortex (PMC), inferior frontal gyrus (IFG), superior parietal lobule (SPL), and rostral inferior parietal lobule (IPL), has attracted extensive attention as a possible neural mechanism of social interaction. Owing to high ecological validity, functional near-infrared spectroscopy (fNIRS) has become an ideal approach for exploring the MNS. Unfortunately, for the feasibility of fNIRS to detect the MNS, none of the four dominant regions were found in previous studies, implying a very limited capacity of fNIRS to investigate the MNS...
2018: Frontiers in Human Neuroscience
Vandana Padala, Arindam Basu, Garrick Orchard
Asynchronous event-based sensors, or "silicon retinae," are a new class of vision sensors inspired by biological vision systems. The output of these sensors often contains a significant number of noise events along with the signal. Filtering these noise events is a common preprocessing step before using the data for tasks such as tracking and classification. This paper presents a novel spiking neural network-based approach to filtering noise events from data captured by an Asynchronous Time-based Image Sensor on a neuromorphic processor, the IBM TrueNorth Neurosynaptic System...
2018: Frontiers in Neuroscience
Mone Zaidi, Maria New, Harry C Blair, Alberta Zallone, Ramkumarie Baliram, Terry F Davies, Christopher Cardozo, James Iqbal, Li Sun, Cliff Rosen, Tony Yuen
It has become increasingly clear that pituitary hormones that have traditionally been seen as regulators of single bodily processes, including endocrine functions, have additional roles in physiology. The global deletion of these hormones or their receptors in mice has yielded unexpected skeletal and metabolic phenotypes, which have been confirmed through traditional pharmacologic approaches. Initial reports showed that thyroid-stimulating hormone receptors were expressed on bone cells and that their haploinsufficiency in Tshr+/- mice caused osteopenia without affecting the thyroid function...
March 19, 2018: Journal of Endocrinology
N A Wardrop, W C Jochem, T J Bird, H R Chamberlain, D Clarke, D Kerr, L Bengtsson, S Juran, V Seaman, A J Tatem
Population numbers at local levels are fundamental data for many applications, including the delivery and planning of services, election preparation, and response to disasters. In resource-poor settings, recent and reliable demographic data at subnational scales can often be lacking. National population and housing census data can be outdated, inaccurate, or missing key groups or areas, while registry data are generally lacking or incomplete. Moreover, at local scales accurate boundary data are often limited, and high rates of migration and urban growth make existing data quickly outdated...
March 19, 2018: Proceedings of the National Academy of Sciences of the United States of America
Jakob Rehrl, Anssi-Pekka Karttunen, Niels Nicolaï, Theresa Hörmann, Martin Horn, Ossi Korhonen, Ingmar Nopens, Thomas De Beer, Johannes G Khinast
One major advantage of continuous pharmaceutical manufacturing over traditional batch manufacturing is the possibility of enhanced in-process control, reducing out-of-specification and waste material by appropriate discharge strategies. The decision on material discharge can be based on the measurement of active pharmaceutical ingredient (API) concentration at specific locations in the production line via process analytic technology (PAT), e.g. near-infrared (NIR) spectrometers. The implementation of the PAT instruments is associated with monetary investment and the long term operation requires techniques avoiding sensor drifts...
March 16, 2018: International Journal of Pharmaceutics
Yu-Tian Zhang, Mei-Feng Xiao, Qiong Liao, Wen-Long Liu, Kai-Wen Deng, Yi-Qun Zhou, Yu Tang, Fu-Yuan He, Yan-Tao Yang
BACKGROUND: It is well-known that the public still have been facing on a severe issue about the inconsistency of quality and therapeutic efficacy of traditional medicines. Recently, Professor Chang-Xiao Liu has created a new promising concept for identifying relevant quality-markers (Q-marker) from herbs, their formulas and manufacturing products. Therefore, building up a new approach is necessary for us to bridge over quality to efficacy of pharmaceutical products. STUDY DESIGN: In this paper, five candidate Q-markers, astragaloside IV, paeonflorin, amygdalin, tetramethylpyrazine, ferulic acid in Buyanghuanwu injection (BYHWI) had been designed to carry out in rat by using single and polypharmacokinetic models for total quanta to ascertain adequate Q-marker...
March 7, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Philip M Gerwin, Rada M Norinsky, Ravi J Tolwani
Laboratory animal programs and core laboratories often set service rates based on cost estimates. However, actual costs may be unknown, and service rates may not reflect the actual cost of services. Accurately evaluating the actual costs of services can be challenging and time-consuming. We used a time-driven activity-based costing (ABC) model to determine the cost of services provided by a resource laboratory at our institution. The time-driven approach is a more efficient approach to calculating costs than using a traditional ABC model...
March 1, 2018: Journal of the American Association for Laboratory Animal Science: JAALAS
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