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https://www.readbyqxmd.com/read/28927241/physical-activity-maintenance-and-metabolic-risk-in-adolescents
#1
Danilo R Silva, André O Werneck, Paul J Collings, Rômulo A Fernandes, Décio S Barbosa, Enio R V Ronque, Luís B Sardinha, Edilson S Cyrino
Aim: Examine the association between child and adolescent physical activity maintenance categories and metabolic profile in adolescence. Methods: This cross-sectional study was conducted with 1152 adolescents (57.4% female) aged 10-16 years from Londrina, Brazil. Physical activity was self-reported in childhood (7-10 years old, retrospective data) and adolescence through questionnaires. Cardiorespiratory fitness (20 m shuttle-run test), body fat (skinfolds), waist circumference, blood pressure (automatic instrument) and blood variables (fasting glucose, HDL-cholesterol and triglycerides) were measured at adolescence...
August 30, 2017: Journal of Public Health
https://www.readbyqxmd.com/read/28926739/electrophysiological-correlates-of-performance-monitoring-in-binge-drinking-impaired-error-related-but-preserved-feedback-processing
#2
Séverine Lannoy, Fabien D'Hondt, Valérie Dormal, Joël Billieux, Pierre Maurage
OBJECTIVE: Performance monitoring, which allows efficient behavioral regulation using either internal (error processing) or external (feedback processing) cues, has not yet been explored in binge drinking despite its adaptive importance in everyday life, particularly in the regulation of alcohol consumption. Capitalizing on a theoretical model of risky behaviors, the present study aimed at determining the behavioral and electrophysiological correlates of the cognitive (inhibition) and motivational (reward sensitivity) systems during performance monitoring...
September 2, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28926613/human-in-the-loop-bayesian-optimization-of-wearable-device-parameters
#3
Myunghee Kim, Ye Ding, Philippe Malcolm, Jozefien Speeckaert, Christoper J Siviy, Conor J Walsh, Scott Kuindersma
The increasing capabilities of exoskeletons and powered prosthetics for walking assistance have paved the way for more sophisticated and individualized control strategies. In response to this opportunity, recent work on human-in-the-loop optimization has considered the problem of automatically tuning control parameters based on realtime physiological measurements. However, the common use of metabolic cost as a performance metric creates significant experimental challenges due to its long measurement times and low signal-to-noise ratio...
2017: PloS One
https://www.readbyqxmd.com/read/28926610/image-similarity-evaluation-of-the-bulk-density-assigned-synthetic-ct-derived-from-mri-of-intracranial-regions-for-radiation-treatment
#4
Shin-Wook Kim, Hun-Joo Shin, Jin-Ho Hwang, Jin-Sol Shin, Sung-Kwang Park, Jin-Young Kim, Ki-Jun Kim, Chul-Seung Kay, Young-Nam Kang
OBJECTIVE: Various methods for radiation-dose calculation have been investigated over previous decades, focusing on the use of magnetic resonance imaging (MRI) only. The bulk-density-assignment method based on manual segmentation has exhibited promising results compared to dose-calculation with computed tomography (CT). However, this method cannot be easily implemented in clinical practice due to its time-consuming nature. Therefore, we investigated an automatic anatomy segmentation method with the intention of providing the proper methodology to evaluate synthetic CT images for a radiation-dose calculation based on MR images...
2017: PloS One
https://www.readbyqxmd.com/read/28926572/automatic-initial-and-final-segmentation-in-cleft-palate-speech-of-mandarin-speakers
#5
Ling He, Yin Liu, Heng Yin, Junpeng Zhang, Jing Zhang, Jiang Zhang
The speech unit segmentation is an important pre-processing step in the analysis of cleft palate speech. In Mandarin, one syllable is composed of two parts: initial and final. In cleft palate speech, the resonance disorders occur at the finals and the voiced initials, while the articulation disorders occur at the unvoiced initials. Thus, the initials and finals are the minimum speech units, which could reflect the characteristics of cleft palate speech disorders. In this work, an automatic initial/final segmentation method is proposed...
2017: PloS One
https://www.readbyqxmd.com/read/28926362/validation-of-the-pangao-pg-800a36-automatic-wrist-blood-pressure-monitor-according-to-the-european-society-of-hypertension-and-the-british-hypertension-society-protocols
#6
Hairong Zhao, Weichang Qiao, Rui Zhang, Peng Cui, Fanglin Hou, Wenli Zhang
OBJECTIVE: The aim of this study was to validate the PG-800A36 automatic wrist blood pressure monitor according to the European Society of Hypertension International Protocol (ESH-IP) revision 2010 and the British Hypertension Society (BHS) protocols. PARTICIPANTS AND METHODS: A total of 33 participants were initially included on the basis of the ESH-IP, followed by examination of 85 participants according to the BHS protocol. The procedures and analysis methods of the protocols were followed precisely with left arm/wrist sequential measurements by two trained observers using a mercury sphygmomanometer and one supervisor using the device...
September 18, 2017: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/28926199/automated-detection-of-diabetic-retinopathy-lesions-on-ultrawidefield-pseudocolour-images
#7
Kang Wang, Chaitra Jayadev, Muneeswar G Nittala, Swetha B Velaga, Chaithanya A Ramachandra, Malavika Bhaskaranand, Sandeep Bhat, Kaushal Solanki, SriniVas R Sadda
PURPOSE: We examined the sensitivity and specificity of an automated algorithm for detecting referral-warranted diabetic retinopathy (DR) on Optos ultrawidefield (UWF) pseudocolour images. METHODS: Patients with diabetes were recruited for UWF imaging. A total of 383 subjects (754 eyes) were enrolled. Nonproliferative DR graded to be moderate or higher on the 5-level International Clinical Diabetic Retinopathy (ICDR) severity scale was considered as grounds for referral...
September 19, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28926131/region-specific-impairment-of-the-cervical-spinal-cord-sc-in-amyotrophic-lateral-sclerosis-a-preliminary-study-using-sc-templates-and-quantitative-mri-diffusion-tensor-imaging-inhomogeneous-magnetization-transfer
#8
Henitsoa Rasoanandrianina, Aude-Marie Grapperon, Manuel Taso, Olivier M Girard, Guillaume Duhamel, Maxime Guye, Jean-Philippe Ranjeva, Shahram Attarian, Annie Verschueren, Virginie Callot
In this preliminary study, our objective was to investigate the potential of high-resolution anatomical imaging, diffusion tensor imaging (DTI) and conventional/inhomogeneous magnetization transfer imaging [magnetization transfer (MT)/inhomogeneous magnetization transfer (ihMT)] at 3 T, analyzed with template-extracted regions of interest, to measure the atrophy and structural changes of white (WM) and gray (GM) matter spinal cord (SC) occurring in patients with amyotrophic lateral sclerosis (ALS). Ten patients with ALS and 20 age-matched healthy controls were recruited...
September 19, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28925981/a-new-first-break-picking-for-three-component-vsp-data-using-gesture-sensor-and-polarization-analysis
#9
Huailiang Li, Xianguo Tuo, Tong Shen, Ruili Wang, Jérémie Courtois, Minhao Yan
A new first break picking for three-component (3C) vertical seismic profiling (VSP) data is proposed to improve the estimation accuracy of first arrivals, which adopts gesture detection calibration and polarization analysis based on the eigenvalue of the covariance matrix. This study aims at addressing the problem that calibration is required for VSP data using the azimuth and dip angle of geophones, due to the direction of geophones being random when applied in a borehole, which will further lead to the first break picking possibly being unreliable...
September 19, 2017: Sensors
https://www.readbyqxmd.com/read/28925972/improving-the-efficiency-of-new-automatic-dishwashing-detergent-formulation-by-addition-of-thermostable-lipase-protease-and-amylase
#10
Ashwini Naganthran, Malihe Masomian, Raja Noor Zaliha Raja Abd Rahman, Mohd Shukuri Mohamad Ali, Hisham Mohd Nooh
The use of T1 lipase in automatic dishwashing detergent (ADD) is well established, but efficiency in hard water is very low. A new enzymatic environmentally-friendly dishwashing was formulated to be efficient in both soft and hard water. Thermostable enzymes such as T1 lipase from Geobacillus strain T1, Rand protease from Bacillussubtilis strain Rand, and Maltogenic amylase from Geobacillus sp. SK70 were produced and evaluated for an automatic dishwashing detergent formulation. The components of the new ADD were optimized for compatibility with these three enzymes...
September 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28925373/visualization-and-automatic-detection-of-defect-distribution-in-gan-atomic-structure-from-sampling-moir%C3%A3-phase
#11
Qinghua Wang, Shien Ri, Hiroshi Tsuda, Masako Kodera, Kyoichi Suguro, Naoto Miyashita
Quantitative detection of defects in atomic structures is of great significance to evaluating product quality and exploring quality improvement process. In this study, a Fourier transform filtered sampling Moire technique was proposed to visualize and detect defects in atomic arrays in a large field of view. Defect distributions, defect numbers and defect densities could be visually and quantitatively determined from a single atomic structure image at low cost. The effectiveness of the proposed technique was verified from numerical simulations...
September 19, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28925372/an-automatic-algorithm-for-blink-artifact-suppression-based-on-iterative-template-matching-application-to-single-channel-recording-of-cortical-auditory-evoked-potentials
#12
Joaquin T Valderrama, Angel de la Torre, Bram Van Dun
Artifact reduction in electroencephalogram (EEG) signals is usually necessary to carry out data analysis appropriately. Despite the large amount of denoising techniques available with a multichannel setup, there is a lack of efficient algorithms that remove (not only detect) blink-artifacts from a single channel EEG, which is of interest in many clinical and research applications. This paper describes and evaluates the Iterative Template Matching and Suppression (ITMS), a new method proposed for detecting and suppressing the artifact associated with the blink activity from a single channel EEG...
September 19, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28924941/erratum-to-automatic-change-detection-in-vision-adaptation-memory-mismatch-or-both-ii-oddball-and-adaptation-effects-on-event-related-potentials
#13
Flóra Bodnár, Domonkos File, István Sulykos, Krisztina Kecskés-Kovács, István Czigler
No abstract text is available yet for this article.
September 18, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28924815/automatic-determination-of-the-need-for-intravenous-contrast-in-musculoskeletal-mri-examinations-using-ibm-watson-s-natural-language-processing-algorithm
#14
Hari Trivedi, Joseph Mesterhazy, Benjamin Laguna, Thienkhai Vu, Jae Ho Sohn
Magnetic resonance imaging (MRI) protocoling can be time- and resource-intensive, and protocols can often be suboptimal dependent upon the expertise or preferences of the protocoling radiologist. Providing a best-practice recommendation for an MRI protocol has the potential to improve efficiency and decrease the likelihood of a suboptimal or erroneous study. The goal of this study was to develop and validate a machine learning-based natural language classifier that can automatically assign the use of intravenous contrast for musculoskeletal MRI protocols based upon the free-text clinical indication of the study, thereby improving efficiency of the protocoling radiologist and potentially decreasing errors...
September 18, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28924728/a-review-on-the-mechanism-risk-evaluation-and-prevention-of-coal-spontaneous-combustion-in-china
#15
Biao Kong, Zenghua Li, Yongliang Yang, Zhen Liu, Daocheng Yan
In recent years, the ecology, security, and sustainable development of modern mines have become the theme of coal mine development worldwide. However, spontaneous combustion of coal under conditions of oxygen supply and automatic exothermic heating during coal mining lead to coalfield fires. Coal spontaneous combustion (CSC) causes huge economic losses and casualties, with the toxic and harmful gases produced during coal combustion not only polluting the working environment, but also causing great damage to the ecological environment...
September 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28924665/fully-automated-targeted-confocal-and-single-molecule-localization-microscopy
#16
Jan Philipp Eberle, Walter Muranyi, Holger Erfle, Manuel Gunkel
Single-molecule localization microscopy (SMLM) enables imaging of biological structures in the nanometre range. Long measurement times are the consequence of this kind of microscopy due to the need of acquiring thousands of images. We built a setup that automatically detects target structures using confocal microscopy and images them with SMLM. Utilizing the Konstanz Information Miner (KNIME), we were able to connect a confocal microscope with an SMLM unit for targeted screening. In this process, we developed KNIME plugins to communicate with the microscope components and combined them to a workflow...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28924568/convolutional-neural-network-for-high-accuracy-functional-near-infrared-spectroscopy-in-a-brain-computer-interface-three-class-classification-of-rest-right-and-left-hand-motor-execution
#17
Thanawin Trakoolwilaiwan, Bahareh Behboodi, Jaeseok Lee, Kyungsoo Kim, Ji-Woong Choi
The aim of this work is to develop an effective brain-computer interface (BCI) method based on functional near-infrared spectroscopy (fNIRS). In order to improve the performance of the BCI system in terms of accuracy, the ability to discriminate features from input signals and proper classification are desired. Previous studies have mainly extracted features from the signal manually, but proper features need to be selected carefully. To avoid performance degradation caused by manual feature selection, we applied convolutional neural networks (CNNs) as the automatic feature extractor and classifier for fNIRS-based BCI...
January 2018: Neurophotonics
https://www.readbyqxmd.com/read/28924567/rearrangeable-and-exchangeable-optical-module-with-system-on-chip-for-wearable-functional-near-infrared-spectroscopy-system
#18
Tsukasa Funane, Takashi Numata, Hiroki Sato, Shinsuke Hiraizumi, Yuichi Hasegawa, Hidenobu Kuwabara, Kiyoshi Hasegawa, Masashi Kiguchi
We developed a system-on-chip (SoC)-incorporated light-emitting diode (LED) and avalanche photodiode (APD) modules to improve the usability and flexibility of a fiberless wearable functional near-infrared spectroscopy (fNIRS) system. The SoC has a microprocessing unit and programmable circuits. The time division method and the lock-in method were used for separately detecting signals from different positions and signals of different wavelengths, respectively. Each module autonomously works for this time-divided-lock-in measurement with a high sensitivity for haired regions...
January 2018: Neurophotonics
https://www.readbyqxmd.com/read/28924329/a-computational-tool-for-accelerated-analysis-of-oligomeric-proanthocyanidins-in-plants
#19
Mengliang Zhang, Jianghao Sun, Pei Chen
A computational tool was developed to facilitate proanthocyanidin analysis using data collected by ultra-high-performance liquid chromatography-diode array detection-high resolution accurate mass-mass spectrometry (UHPLC-DAD-HRAM-MS). Both identification and semi-quantitation of proanthocyanidins can be achieved by the developed computational tool. It can extract proanthocyanidin chromatographic peaks, deconvolute the isotopic patterns of A-type, B-type, and multi-charged proanthocyanidins ions, and predict proanthocyanidin structures...
March 2017: Journal of Food Composition and Analysis
https://www.readbyqxmd.com/read/28924248/adaptive-pixel-super-resolved-lensfree-in-line-digital-holography-for-wide-field-on-chip-microscopy
#20
Jialin Zhang, Jiasong Sun, Qian Chen, Jiaji Li, Chao Zuo
High-resolution wide field-of-view (FOV) microscopic imaging plays an essential role in various fields of biomedicine, engineering, and physical sciences. As an alternative to conventional lens-based scanning techniques, lensfree holography provides a new way to effectively bypass the intrinsical trade-off between the spatial resolution and FOV of conventional microscopes. Unfortunately, due to the limited sensor pixel-size, unpredictable disturbance during image acquisition, and sub-optimum solution to the phase retrieval problem, typical lensfree microscopes only produce compromised imaging quality in terms of lateral resolution and signal-to-noise ratio (SNR)...
September 18, 2017: Scientific Reports
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