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https://www.readbyqxmd.com/read/29890704/an-enhanced-lorawan-security-protocol-for-privacy-preservation-in-iot-with-a-case-study-on-a-smart-factory-enabled-parking-system
#1
Ilsun You, Soonhyun Kwon, Gaurav Choudhary, Vishal Sharma, Jung Taek Seo
The Internet of Things (IoT) utilizes algorithms to facilitate intelligent applications across cities in the form of smart-urban projects. As the majority of devices in IoT are battery operated, their applications should be facilitated with a low-power communication setup. Such facility is possible through the Low-Power Wide-Area Network (LPWAN), but at a constrained bit rate. For long-range communication over LPWAN, several approaches and protocols are adopted. One such protocol is the Long-Range Wide Area Network (LoRaWAN), which is a media access layer protocol for long-range communication between the devices and the application servers via LPWAN gateways...
June 8, 2018: Sensors
https://www.readbyqxmd.com/read/29801331/accurate-model-to-predict-performance-of-coherent-optical-transponder-for-high-baud-rate-and-advanced-modulation-format
#2
Qiang Wang, Yang Yue, Xuan He, Andre Vovan, Jon Anderson
Bit error rate (BER) versus optical signal to noise ratio (OSNR) characteristics determines the transmission performance for coherent optical transponder. We have developed a model to predict BER versus OSNR at various receiver optical power (ROP). The model has three parameters, which are related to BER noise floor, filter mismatching, and OSNR value without noise loading. The model is applied to high baud rate and quadrature amplitude modulation (QAM) transponders. By considering the influence of baud rate on the fitting parameters, accurate prediction of performance for coherent transponder can be achieved over various baud rates...
May 14, 2018: Optics Express
https://www.readbyqxmd.com/read/29744271/dna-as-a-digital-information-storage-device-hope-or-hype
#3
REVIEW
Darshan Panda, Kutubuddin Ali Molla, Mirza Jainul Baig, Alaka Swain, Deeptirekha Behera, Manaswini Dash
The total digital information today amounts to 3.52 × 1022 bits globally, and at its consistent exponential rate of growth is expected to reach 3 × 1024 bits by 2040. Data storage density of silicon chips is limited, and magnetic tapes used to maintain large-scale permanent archives begin to deteriorate within 20 years. Since silicon has limited data storage ability and serious limitations, such as human health hazards and environmental pollution, researchers across the world are intently searching for an appropriate alternative...
May 2018: 3 Biotech
https://www.readbyqxmd.com/read/29677970/fit-by-bits-an-explorative-study-of-sports-physiotherapists-perception-of-quantified-self-technologies
#4
Somaya Ben Allouch, Lex van Velsen
Our aim was to determine sport physiotherapists' attitudes towards Quantified Self technology usage and adoption and to analyze factors that may influence this attitude. A survey was used to study a sample in the Netherlands. Assessment was made of attitudes of towards Quantified Self technology usage by clients of therapists, by therapists themselves and intention to adopt Quantified Self technology. Results show that the uptake of Quantified Self technology by sports physiotherapists is rather low but that the intention to adopt Quantified Self technology by sports physiotherapists is quite high...
2018: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29664927/seedvicious-analysis-of-microrna-target-and-near-target-sites
#5
Antonio Marco
Here I describe seedVicious, a versatile microRNA target site prediction software that can be easily fitted into annotation pipelines and run over custom datasets. SeedVicious finds microRNA canonical sites plus other, less efficient, target sites. Among other novel features, seedVicious can compute evolutionary gains/losses of target sites using maximum parsimony, and also detect near-target sites, which have one nucleotide different from a canonical site. Near-target sites are important to study population variation in microRNA regulation...
2018: PloS One
https://www.readbyqxmd.com/read/29498236/measuring-thriving-across-nations-examining-the-measurement-equivalence-of-the-comprehensive-inventory-of-thriving-cit-and-the-brief-inventory-of-thriving-bit
#6
Christopher W Wiese, Louis Tay, Rong Su, Ed Diener
BACKGROUND: Positive psychological health is a multifaceted construct and fundamental to individuals' overall mental health. Yet, measures of positive psychological health tend to focus on only a few of these facets. Su, Tay, and Diener () sought to address this by creating the Comprehensive and Brief Inventories of Thriving (CIT/BIT), integrative measures of well-being that assess positive psychological health broadly. METHOD: Given growing interest in cross-national comparisons in positive psychological health, the present study expands on this work by examining the measurement invariance of these two measures across 10 countries (N = 3,077)...
March 2018: Applied Psychology. Health and Well-being
https://www.readbyqxmd.com/read/29429486/use-of-rumination-and-activity-data-as-health-status-and-performance-indicators-in-beef-cattle-during-the-early-fattening-period
#7
Giorgio Marchesini, Davide Mottaran, Barbara Contiero, Eliana Schiavon, Severino Segato, Elisabetta Garbin, Sandro Tenti, Igino Andrighetto
The aim of this study was to measure the level of activity and rumination in young bulls and to assess whether these data can be used as indicators of health status and average daily weight gain (ADG). Two groups of animals (period 1: n=108 animals; period 2: n=106 animals) were fitted with sensors to measure daily activity and rumination, were weighed on arrival and at the end of the trial (70 days) and were checked twice daily to verify their health condition. Any clinical signs and therapies were recorded...
January 2018: Veterinary Journal
https://www.readbyqxmd.com/read/29133926/genetic-programs-can-be-compressed-and-autonomously-decompressed-in-live-cells
#8
Nicolas Lapique, Yaakov Benenson
Fundamental computer science concepts have inspired novel information-processing molecular systems in test tubes 1-13 and genetically encoded circuits in live cells 14-21 . Recent research has shown that digital information storage in DNA, implemented using deep sequencing and conventional software, can approach the maximum Shannon information capacity 22 of two bits per nucleotide 23 . In nature, DNA is used to store genetic programs, but the information content of the encoding rarely approaches this maximum 24 ...
April 2018: Nature Nanotechnology
https://www.readbyqxmd.com/read/29112117/optimal-quantization-scheme-for-data-efficient-target-tracking-via-uwsns-using-quantized-measurements
#9
Senlin Zhang, Huayan Chen, Meiqin Liu, Qunfei Zhang
Target tracking is one of the broad applications of underwater wireless sensor networks (UWSNs). However, as a result of the temporal and spatial variability of acoustic channels, underwater acoustic communications suffer from an extremely limited bandwidth. In order to reduce network congestion, it is important to shorten the length of the data transmitted from local sensors to the fusion center by quantization. Although quantization can reduce bandwidth cost, it also brings about bad tracking performance as a result of information loss after quantization...
November 7, 2017: Sensors
https://www.readbyqxmd.com/read/29049964/the-bit-doesn-t-fit-evaluation-of-a-commercial-activity-tracker-at-slower-walking-speeds
#10
Christopher K Wong, Helena M Mentis, Ravi Kuber
Accelerometer-based commercial activity trackers are a low-cost and convenient method for monitoring and assessing health measures such as gait. However, the accuracy of these activity trackers in slow walking conditions on a minute-by-minute basis is largely unknown. In this study, the accuracy of a hip-worn commercial activity tracker (FitBit Ultra) was examined through step counts. Accuracy was evaluated through four minute trials of treadmill walking at speeds representative of older adults (0.9, 1.1, and 1...
October 9, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28953844/psychiatric-manifestation-of-patients-with-epilepsy-in-mosul-iraq
#11
Khalid Omar Sultan, Bashar Shaker Mahmood, Zainab Najim, Dhiher Jameel Al-Habboo, Hellme Najim
BACKGROUND: It has been proven that physical morbidity is related to psychiatric illness. Some physical illnesses are more related to psychiatric morbidity compared to others. Epilepsy is considered one of them, as patients who suffer from epilepsy has disturbances of consciousness and this leads to a variety of psychological disturbance in addition to the psychological and social impact of the illness. AIMS: To identify risk factors and psychiatric morbidity in epilepsy, in order to try to manage it and improve outcome of this illness and enhance quality of life...
September 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28900815/wavelet-based-encoding-scheme-for-controlling-size-of-compressed-ecg-segments-in-telecardiology-systems
#12
Asiya M Al-Busaidi, Lazhar Khriji, Farid Touati, Mohd Fadlee Rasid, Adel Ben Mnaouer
One of the major issues in time-critical medical applications using wireless technology is the size of the payload packet, which is generally designed to be very small to improve the transmission process. Using small packets to transmit continuous ECG data is still costly. Thus, data compression is commonly used to reduce the huge amount of ECG data transmitted through telecardiology devices. In this paper, a new ECG compression scheme is introduced to ensure that the compressed ECG segments fit into the available limited payload packets, while maintaining a fixed CR to preserve the diagnostic information...
September 12, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28873812/android-based-daily-routine-organizing-application-for-elementary-school-students-living-with-asd
#13
Eva A Barta, Tibor Guzsvinecz, Cecilia Sik Lanyi, Veronika Szucs
Today, more and more children with Autism Spectrum disorder are diagnosed, which means that around 1% of the population is concerned. Most of the concerned can acquire daily routine tasks by a bit of help and can fit in the society. As Besio et al. said, "…play is an instinctive need for both humans….In children with disabilities, depending on the type of functional limitations, the spontaneity of play is lost and the activity becomes problematic. Children with cognitive and intellectual impairments have a difficulties in communication, social interactions,…...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28780100/technical-note-pagell-v-1-5-a-flexible-parametric-program-for-the-bayesian-analysis-of-longevity-data-within-the-context-of-animal-breeding
#14
J Casellas, L C Brito
This technical note presents the program PaGELL v.1.5 (Parametric Genetic Evaluation of Lifespan in Livestock), a flexible software program to analyze (right-censored) longevity data in livestock populations, with a special emphasis on the genetic evaluation of the breeding stock. This software relies on a parametric generalization of the proportional hazard model; more specifically, the baseline hazard function follows a Weibull process and flexibility is gained by including an additional time-dependent effect with the number of change points defined by the user...
August 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28684384/a-bit-of-fit-minimalist-intervention-in-adolescents-based-on-a-physical-activity-tracker
#15
Jeffrey Gaudet, François Gallant, Mathieu Bélanger
BACKGROUND: Only 5% of Canadian youth meet the recommended 60 minutes of moderate to vigorous physical activity (MVPA) per day, with leisure time being increasingly allocated to technology usage. Direct-to-consumer mHealth devices that promote physical activity, such as wrist-worn physical activity trackers, have features with potential appeal to youth. OBJECTIVE: The primary purpose of this study was to determine whether a minimalist physical activity tracker-based intervention would lead to an increase in physical activity in young adolescents...
July 6, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28230685/first-letters-from-red-cross-nurses
#16
(no author information available yet)
Editor's note: From its first issue in 1900 to the present day, AJN has unparalleled archives detailing nurses' work and lives over more than a century. These articles not only chronicle nursing's growth as a profession within the context of the events of the day, but they also reveal prevailing societal attitudes about women, health care, and human rights. Today's nursing school curricula rarely include nursing's history, but it's a history worth knowing. To this end, From the AJN Archives highlights articles selected to fit today's topics and times...
March 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28213940/estimating-mating-rates-in-wild-drosophila-melanogaster-females-by-decay-rates-of-male-reproductive-proteins-in-their-reproductive-tracts
#17
Thomas J Giardina, Andrew G Clark, Anthony C Fiumera
Female Drosophila melanogaster frequently mate with multiple males in nature as shown through parentage analysis. Although polyandry is well documented, we know little about the timing between mating events in wild Drosophila populations due to the challenge of following behaviours of individual females. In this study, we used the presence of a male reproductive protein that is transferred to the female during mating (Sex Peptide, SP) to determine whether she had recently mated. We sampled females throughout the day, conducted control matings to determine the decay rate of SP within the female reproductive tract and performed computer simulations to fit the observed proportion of mated females to a nonhomogenous Poisson process that defined the expected time between successive matings for a given female...
February 18, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28173706/insb-nanowires-with-built-in-gaxin1-xsb-tunnel-barriers-for-majorana-devices
#18
LETTER
Diana Car, Sonia Conesa-Boj, Hao Zhang, Roy L M Op Het Veld, Michiel W A de Moor, Elham M T Fadaly, Önder Gül, Sebastian Kölling, Sebastien R Plissard, Vigdis Toresen, Michael T Wimmer, Kenji Watanabe, Takashi Taniguchi, Leo P Kouwenhoven, Erik P A M Bakkers
Majorana zero modes (MZMs), prime candidates for topological quantum bits, are detected as zero bias conductance peaks (ZBPs) in tunneling spectroscopy measurements. Implementation of a narrow and high tunnel barrier in the next generation of Majorana devices can help to achieve the theoretically predicted quantized height of the ZBP. We propose a material-oriented approach to engineer a sharp and narrow tunnel barrier by synthesizing a thin axial segment of GaxIn1-xSb within an InSb nanowire. By varying the precursor molar fraction and the growth time, we accurately control the composition and the length of the barriers...
February 8, 2017: Nano Letters
https://www.readbyqxmd.com/read/28066883/a-novel-pixel-based-method-to-estimate-the-instantaneous-velocity-of-a-vehicle-from-cctv-images
#19
Shengxiong Liu, Xiuju Yang, Jianguo Cui, Zhiyong Yin
In traffic forensic identifications, it was usually unfavorable that estimated velocities of questioned vehicles derived from frame-based methods eventually turned out to be close to but a bit less than speed limits. In this paper, a novel pixel-based method was presented to estimate vehicles' relatively instantaneous velocities. First, two adjacent pixels' actual distance was acquired from the closed-circuit television (CCTV) images. Then, the instantaneous average velocity within this one frame interval time (FIT) was calculated out...
July 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28046545/tu-d-207b-02-delta-radiomics-the-prognostic-value-of-therapy-induced-changes-in-radiomics-features-for-stage-iii-non-small-cell-lung-cancer-patients
#20
X Fave, L Zhang, J Yang, D Mackin, F Stingo, D Followill, P Balter, A Jones, D Gomez, L Court
PURPOSE: To determine how radiomics features change during radiation therapy and whether those changes (delta-radiomics features) can improve prognostic models built with clinical factors. METHODS: 62 radiomics features, including histogram, co-occurrence, run-length, gray-tone difference, and shape features, were calculated from pretreatment and weekly intra-treatment CTs for 107 stage III NSCLC patients (5-9 images per patient). Image preprocessing for each feature was determined using the set of pretreatment images: bit-depth resample and/or a smoothing filter were tested for their impact on volume-correlation and significance of each feature in univariate cox regression models to maximize their information content...
June 2016: Medical Physics
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