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https://www.readbyqxmd.com/read/28227582/reconfigurable-analog-classifier-for-knee-joint-rehabilitation
#1
Sahil Shah, Hakan Toreyin, Omer T Inan, Jennifer Hasler, Sahil Shah, Hakan Toreyin, Omer T Inan, Jennifer Hasler, Sahil Shah, Jennifer Hasler, Omer T Inan, Hakan Toreyin
We present a System-On-Chip Field Programmable Analog Array (FPAA) for analyzing and processing the signals off an accelerometer for a wearable joint health assessment device. FPAAs have been shown to compute with an efficiency of 1000 times, as well as area efficiencies of 100 times, more than digital solutions. This work presents a low power signal processing system which allows us to extract features from the output of the accelerometer. These features are used by the classifier, implemented using a vector matrix multiplication and a two output 1-winner-take-all, to detect flexion and extension cycles in the subject...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227549/prediction-of-microsleeps-from-eeg-preliminary-results
#2
Reza Shoorangiz, Stephen J Weddell, Richard D Jones, Reza Shoorangiz, Stephen J Weddell, Richard D Jones, Stephen J Weddell, Reza Shoorangiz, Richard D Jones
Brief episodes of momentarily falling asleep - microsleeps - can have fatal consequences, especially in the transportation sector. In this study, the EEG data of eight subjects, while performing a 1-D tracking task, were used to predict imminent microsleeps. A novel algorithm was developed to improve the accuracy of microsleep identification from two independent measures: tracking performance and face-video. The uncertain labels of gold-standard were then pruned out. Additionally, the state of microsleep at 0...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28218975/stacking-transgenic-event-das-%C3%A3-15%C3%A3-7-1-alters-maize-composition-less-than-traditional-breeding
#3
Rod A Herman, Brandon J Fast, Peter N Scherer, Alyssa M Brune, Denise T de Cerqueira, Barry W Schafer, Ricardo D Ekmay, George G Harrigan, Greg A Bradfisch
The impact of crossing ("stacking") genetically modified (GM) events on maize-grain biochemical composition was compared with the impact of generating non-GM hybrids. The compositional similarity of seven GM stacks containing event DAS-Ø15Ø7-1 and their matched non-GM near-isogenic hybrids (iso-hybrids) was compared with the compositional similarity of concurrently grown non-GM hybrids and these same iso-hybrids. Scatter plots were used to visualize comparisons among hybrids and a coefficient of identity (percent of variation explained by line of identity) was calculated to quantify the relationships within analyte profiles...
February 20, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28217415/muscle-activation-patterns-during-suspension-training-exercises
#4
Sean Harris, Elise Ruffin, Wayne Brewer, Alexis Ortiz
BACKGROUND: Suspension training (ST) has been utilized over exercises performed on a stable surface to train multiple muscle groups simultaneously to increase muscle activation and joint stability. HYPOTHESIS/PURPOSE: The purpose of this study was to determine whether ST augments muscle activation compared to similar exercises performed on a stable surface. STUDY DESIGN: Cross-sectional study. METHODS: Twenty-five healthy adults (male: 16; women: 9; BMI: 23...
February 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28216140/expression-profiles-of-cancer-stem-cell-markers-cd133-cd44-musashi-1-and-epcam-in-the-cardiac-mucosa-barrett-s-esophagus-early-esophageal-adenocarcinoma-advanced-esophageal-adenocarcinoma-sequence
#5
Anna Mokrowiecka, Lothar Veits, Christina Falkeis, Jacek Musial, Radzislaw Kordek, Mariusz Lochowski, Jozef Kozak, Agnieszka Wierzchniewska-Lawska, Michael Vieth, Ewa Malecka-Panas
INTRODUCTION: Barrett's esophagus (BE), which develops as a result of gastroesophageal reflux disease, is a preneoplastic condition for esophageal adenocarcinoma (EAC). A new hypothesis suggests that cancer is a disease of stem cells, however, their expression and pathways in BE - EAC sequence are not fully elucidated yet. AIMS: We used a panel of putative cancer stem cells markers to identify stem cells in consecutive steps of BE-related cancer progression. METHODS: Immunohistochemistry was performed on formalin-fixed, paraffin-embedded blocks from 58 patients with normal cardiac mucosa (n=5), BE (n=14), early EAC (pT1) from mucosal resection (n=17) and advanced EAC (pT1-T4) from postoperative specimens (n=22)...
December 30, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28213566/a-randomised-phase-iib-study-of-mavrilimumab-a-novel-gm-csf-receptor-alpha-monoclonal-antibody-in-the-treatment-of-rheumatoid-arthritis
#6
Gerd R Burmester, Iain B McInnes, Joel Kremer, Pedro Miranda, Mariusz Korkosz, Jiri Vencovsky, Andrea Rubbert-Roth, Eduardo Mysler, Matthew A Sleeman, Alex Godwood, Dominic Sinibaldi, Xiang Guo, Wendy I White, Bing Wang, Chi-Yuan Wu, Patricia C Ryan, David Close, Michael E Weinblatt
OBJECTIVES: Despite the therapeutic value of current rheumatoid arthritis (RA) treatments, agents with alternative modes of action are required. Mavrilimumab, a fully human monoclonal antibody targeting the granulocyte-macrophage colony-stimulating factor receptor-α, was evaluated in patients with moderate-to-severe RA. METHODS: In a phase IIb study (NCT01706926), patients with inadequate response to ≥1 synthetic disease-modifying antirheumatic drug(s), Disease Activity Score 28 (DAS28)-C reactive protein (CRP)/erythrocyte sedimentation rate ≥3...
February 17, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28208087/morphomechanical-alterations-in-the-medial-gastrocnemius-muscle-in-patients-with-a-repaired-achilles-tendon-associations-with-outcome-measures
#7
Wei-Chen Peng, Yi-Ping Chang, Yuan-Hung Chao, S N Fu, Christer Rolf, Tiffany Tf Shih, Sheng-Chu Su, Hsing-Kuo Wang
BACKGROUND: Functional deficits are found in ankles that have sustained an Achilles rupture. This study sought to evaluate and compare the morphomechanical characteristics of the medial gastrocnemius muscle in the legs of participants within six months of a unilateral Achilles repair to determine any correlations between those characteristics and objective outcomes and self-reported functional levels. METHODS: Fifteen participants were assessed via measurements of muscle morphologies (fascicle length, pennation angle, and muscle thickness) in a resting state, the mechanical properties of the proximal aponeurosis of the medial gastrocnemius muscle, the pennation angle during ramping maximal voluntary isometric contractions (MVIC), the heel raise test, and the Taiwan Chinese version of the Lower Extremity Functional Scale (LEFS-TC) questionnaire...
February 8, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28207659/evaluation-of-dti-parameter-ratios-and-diffusion-tensor-tractography-grading-in-the-diagnosis-and-prognosis-prediction-of-cervical-spondylotic-myelopathy
#8
Kun Wang, Zhi Chen, Fan Zhang, Qingxin Song, Canglong Hou, Yixing Tang, Jun Wang, Shiyue Chen, Yun Bian, Qiang Hao, Hongxing Shen
STUDY DESIGN: Prospective cohort. OBJECTIVE: To explore the correlations between diffusion tensor imaging (DTI) ratios and diffusion tensor tractography (DTT) grading with clinical symptoms and outcomes of cervical spondylotic myelopathy (CSM). SUMMARY OF BACKGROUND DATA: In addition to magnetic resonance imaging (MRI) and computed tomography, DTI may be useful in understanding pathophysiology of spinal cord in earlier stages of the CSM but it may be confounded by age and cervical level, and previous studies had small sample sizes...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28207506/higher-subcortical-and-white-matter-cerebral-blood-flow-in-perinatally-hiv-infected-children
#9
Charlotte Blokhuis, Henri J M M Mutsaerts, Sophie Cohen, Henriëtte J Scherpbier, Matthan W A Caan, Charles B L M Majoie, Taco W Kuijpers, Peter Reiss, Ferdinand W N M Wit, Dasja Pajkrt
This study aimed to evaluate cerebral blood flow (CBF) in pediatric human immunodeficiency virus (HIV)-infection, and its role in HIV-related cerebral injury and cognitive impairment.This cross-sectional observational study compared 28 perinatally HIV-infected children (8-18 years) to 34 healthy controls matched for age, sex, ethnicity, and socio-economic status. All participants underwent 3-Tesla magnetic resonance imaging, using arterial spin labeling to assess CBF in gray matter (GM), white matter (WM), basal ganglia, and thalamus...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28205324/evaluation-of-subcutaneous-glucose-monitoring-systems-under-routine-environmental-conditions-in-patients-with-type-1-diabetes
#10
Felix Aberer, Martin Hajnsek, Markus Rumpler, Sabine Zenz, Petra Baumann, Hesham Elsayed, Adelheid Puffing, Gerlies Treiber, Thomas R Pieber, Harald Sourij, Julia K Mader
: Continuous and flash glucose monitoring (GM) systems have been established in diabetes care. We compared sensor performance of three commercially available GM systems. 12 patients with type 1 diabetes were included in a single-centre, open-label study where sensor performance of Abbott FreeStyle libre (Abbott), Dexcom G4 Platinum (Dexcom) and Medtronic MiniMed 640G (Medtronic) over 12 hours was compared during mimicked real-life conditions (meals, exercise, hypo- and hyperglycaemia)...
February 16, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28194003/lower-levels-of-the-glial-cell-marker-tspo-in-drug-naive-first-episode-psychosis-patients-as-measured-using-pet-and-11-c-pbr28
#11
K Collste, P Plavén-Sigray, H Fatouros-Bergman, P Victorsson, M Schain, A Forsberg, N Amini, S Aeinehband, S Erhardt, C Halldin, L Flyckt, L Farde, S Cervenka
Several lines of evidence are indicative of a role for immune activation in the pathophysiology of schizophrenia. Nevertheless, studies using positron emission tomography (PET) and radioligands for the translocator protein (TSPO), a marker for glial activation, have yielded inconsistent results. Whereas early studies using a radioligand with low signal-to-noise in small samples showed increases in patients, more recent studies with improved methodology have shown no differences or trend-level decreases. Importantly, all patients investigated thus far have been on antipsychotic medication, and as these compounds may dampen immune cell activity, this factor limits the conclusions that can be drawn...
February 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28187936/probabilistic-modeling-of-aggregate-lead-exposure-in-children-of-urban-china-using-an-adapted-ieubk-model
#12
Buqing Zhong, Elisa Giubilato, Andrea Critto, Lingqing Wang, Antonio Marcomini, Jinliang Zhang
Lead, a ubiquitous pollutant throughout the environment, is confirmed to be neurotoxic for children by pulmonary and oral routes. As preschool children in China continue to be exposed to lead, we analyzed the available biomonitoring data for preschool children in urban China collected in the period 2004-2014 through a literature review. To identify apportionment of lead exposure sources for urban children in China, we modified the IEUBK model with a Monte Carlo module to assess the uncertainty and variability of the model output based on limited available exposure data and compared the simulated blood lead levels with the observed ones obtained through literature review...
February 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28186996/harnessing-rna-sequencing-for-global-unbiased-evaluation-of-two-new-adjuvants-for-dendritic-cell-immunotherapy
#13
Till S M Mathan, Johannes Textor, Annette E Sköld, Inge Reinieren-Beeren, Tom van Oorschot, Mareke Brüning, Carl G Figdor, Sonja I Buschow, Ghaith Bakdash, I Jolanda M de Vries
Effective stimulation of immune cells is crucial for the success of cancer immunotherapies. Current approaches to evaluate the efficiency of stimuli are mainly defined by known flow cytometry-based cell activation or cell maturation markers. This method however does not give a complete overview of the achieved activation state and may leave important side effects unnoticed. Here, we used an unbiased RNA sequencing (RNA-seq)-based approach to compare the capacity of four clinical-grade dendritic cell (DC) activation stimuli used to prepare DC-vaccines composed of various types of DC subsets; the already clinically applied GM-CSF and Frühsommer meningoencephalitis (FSME) prophylactic vaccine and the novel clinical grade adjuvants protamine-RNA complexes (pRNA) and CpG-P...
February 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28183832/molecular-bases-for-phyllomorph-development-in-a-one-leaf-plant-monophyllaea-glabra
#14
Naoko Ishikawa, Hirokazu Takahashi, Mikio Nakazono, Hirokazu Tsukaya
PREMISE OF THE STUDY: The aboveground part of one-leaf plants (Gesneriaceae) consists of a unique shoot-like unit called a phyllomorph, which is composed of a growing lamina and one petiolode (a stem- and petiole-like organ). The phyllomorph has three meristems: a basal meristem (BM; involved in lamina growth), a petiolode meristem (PM; required for midrib and petiolode growth), and a groove meristem (GM; contributes to inflorescence and new phyllomorph development). Although the GM has a tunica-corpus structure like a conventional shoot apical meristem (SAM), the vegetative GM of a one-leaf plant does not form any organ primordia and has been considered a defective or suppressed SAM...
February 9, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28177548/7t-guided-super-resolution-of-3t-mri
#15
Khosro Bahrami, Feng Shi, Islem Rekik, Yaozong Gao, Dinggang Shen
PURPOSE: High-resolution MR images can depict rich details of brain anatomical structures and show subtle changes in longitudinal data. 7T MRI scanners can acquire MR images with higher resolution and better tissue contrast than the routine 3T MRI scanners. However, 7T MRI scanners are currently more expensive and less available in clinical and research centers. To this end, we propose a method to generate super-resolution 3T MRI that resembles 7T MRI, which is called as 7T-like MR image in this paper...
February 8, 2017: Medical Physics
https://www.readbyqxmd.com/read/28177408/arbuscular-mycorrhizal-fungal-association-in-genetically-modified-drought-tolerant-corn
#16
Roxana P Colombo, José G Ibarra, Laura Fernandez Bidondo, Vanesa A Silvani, María J Bompadre, Mariana Pergola, Nancy I Lopez, Alicia M Godeas
The commercial use of genetically modified (GM) plants has significantly increased worldwide. The interactions between GM plants and arbuscular mycorrhizal (AM) fungi are of considerable importance given the agricultural and ecological role of AM and the lack of knowledge regarding potential effects of drought-tolerant GM corn ( L.) on AM fungal symbiosis. This work studied AM fungal colonization in five corn lines growing under two different irrigation regimes (30 and 100% of soil field capacity [SFC]). Four of the lines were GM corn, and two of these were drought tolerant...
January 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28169581/gray-matter-trophism-cognitive-impairment-and-depression-in-patients-with-multiple-sclerosis
#17
Emanuele Pravatà, Maria A Rocca, Paola Valsasina, Gianna C Riccitelli, Claudio Gobbi, Giancarlo Comi, Andrea Falini, Massimo Filippi
BACKGROUND: Cognitive impairment and depression frequently affects patients with multiple sclerosis (MS). However, the relationship between the occurrence of depression and cognitive impairment and the development of cortical atrophy has not been fully elucidated yet. OBJECTIVES: To investigate the association of cortical and deep gray matter (GM) volume with depression and cognitive impairment in MS. METHODS: Three-dimensional (3D) T1-weighted scans were obtained from 126 MS patients and 59 matched healthy controls...
February 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28169509/nonalcoholic-fatty-liver-disease-and-measures-of-early-brain-health-in-middle-aged-adults-the-cardia-study
#18
Lisa B VanWagner, James G Terry, Lisa S Chow, Amy C Alman, Hakmook Kang, Katherine H Ingram, Christina Shay, Cora E Lewis, R Nick Bryan, Lenore J Launer, J Jeffrey Carr
OBJECTIVE: To assess associations between nonalcoholic fatty liver disease (NAFLD) and measures of brain health in a population-based sample of adults. METHODS: Participants from the CARDIA study (Y25 exam; age 43-55 years) with concurrent computed tomography quantification of liver fat, visceral adipose tissue (VAT), and brain magnetic resonance (MR) images were included (n = 505). NAFLD was identified after exclusion of other causes of liver fat. Total tissue volume (TTV) and gray matter cerebral blood flow (GM-CBF) were estimated using 3T brain MR images...
March 2017: Obesity
https://www.readbyqxmd.com/read/28157574/anatomical-masking-of-pressure-footprints-based-on-the-oxford-foot-model-validation-and-clinical-relevance
#19
Claudia Giacomozzi, Julie A Stebbins
Plantar pressure analysis is widely used in the assessment of foot function. In order to assess regional loading, a mask is applied to the footprint to sub-divide it into regions of interest (ROIs). The most common masking method is based on geometric features of the footprint (GM). Footprint masking based on anatomical landmarks of the foot has been implemented more recently, and involves the integration of a 3D motion capture system, plantar pressure measurement device, and a multi-segment foot model. However, thorough validation of anatomical masking (AM) using pathological footprints has not yet been presented...
December 23, 2016: Gait & Posture
https://www.readbyqxmd.com/read/28149469/comparison-of-spring-characteristics-of-titanium-molybdenum-alloy-and-stainless-steel
#20
Ahmad Sheibaninia, Anahita Salehi, Armen Asatourian
BACKGROUND: Titanium-molybdenum alloy (TMA) and stainless steel (SS) wires are commonly used in orthodontics as arch-wires for tooth movement. However, plastic deformation phenomenon in these arch-wires seems to be a major concern among orthodontists. This study aimed to compare the mechanical properties of TMA and SS wires with different dimensions. MATERIAL AND METHODS: Seventy-two wire samples (36 TMA and 36 SS) of three different sizes (19×25, 17×25 and 16×22) were analyzed in vitro, with 12 samples in each group...
January 2017: Journal of Clinical and Experimental Dentistry
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