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https://www.readbyqxmd.com/read/29352228/dual-band-metamaterial-antenna-for-lte-bluetooth-wimax-system
#1
Md Mehedi Hasan, Mohammad Rashed Iqbal Faruque, Mohammad Tariqul Islam
A compact metamaterial inspired antenna operate at LTE, Bluetooth and WiMAX frequency band is introduced in this paper. For the lower band, the design utilizes an outer square metallic strip forcing the patch to radiate as an equivalent magnetic-current loop. For the upper band, another magnetic current loop is created by adding metamaterial structure near the feed line on the patch. The metamaterial inspired antenna dimension of 42 × 32 mm2 compatible to wireless devices. Finite integration technique based CST Microwave Studio simulator has been used to design and numerical investigation as well as lumped circuit model of the metamaterial antenna is explained with proper mathematical derivation...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351161/effects-of-contrast-strength-vs-plyometric-training-on-lower-limb-explosive-performance-ability-to-change-direction-and-neuromuscular-adaptation-in-soccer-players
#2
Mehrez Hammami, Nawel Gaamouri, Roy J Shephard, Mohamed Souhaiel Chelly
The aim was to compare the effects of two differing 8-week in-season strength training programs (contrast strength training [CST] vs. plyometric training [PT]) on selected performance tests (5 and 40m sprints, S 4 X 5 m change of direction test, squat (SJ) and countermovement (CMJ) jumps , leg peak power on a cycle ergometer force-velocity test, 1-repetition maximal (1-RM) half squat, and electromyographic [EMG] activity of the vastus lateralis, vastus medialis and rectus femoris muscles during vertical jump tests)...
January 17, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29339821/cigarette-smoking-is-associated-with-an-altered-vaginal-tract-metabolomic-profile
#3
T M Nelson, J C Borgogna, R D Michalek, D W Roberts, J M Rath, E D Glover, J Ravel, M D Shardell, C J Yeoman, R M Brotman
Cigarette smoking has been associated with both the diagnosis of bacterial vaginosis (BV) and a vaginal microbiota lacking protective Lactobacillus spp. As the mechanism linking smoking with vaginal microbiota and BV is unclear, we sought to compare the vaginal metabolomes of smokers and non-smokers (17 smokers/19 non-smokers). Metabolomic profiles were determined by gas and liquid chromatography mass spectrometry in a cross-sectional study. Analysis of the 16S rRNA gene populations revealed samples clustered into three community state types (CSTs) ---- CST-I (L...
January 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29339424/clostridium-sordellii-pathogenicity-locus-plasmid-pcs1-1-encodes-a-novel-clostridial-conjugation-locus
#4
Callum J Vidor, Thomas D Watts, Vicki Adams, Dieter Bulach, Edward Couchman, Julian I Rood, Neil F Fairweather, Milena Awad, Dena Lyras
A major virulence factor in Clostridium sordellii-mediated infection is the toxin TcsL, which is encoded within a region of the genome called the pathogenicity locus (PaLoc). C. sordellii isolates carry the PaLoc on the pCS1 family of plasmids, of which there are four characterized members. Here, we determined the potential mobility of pCS1 plasmids and characterized a fifth unique pCS1 member. Using a derivative of the pCS1-1 plasmid from strain ATCC 9714 which had been marked with the ermB erythromycin resistance gene, conjugative transfer into a recipient C...
January 16, 2018: MBio
https://www.readbyqxmd.com/read/29334273/the-barthel-index-and-the-cumulated-ambulation-score-are-superior-to-the-de-morton-mobility-index-for-the-early-assessment-of-outcome-in-patients-with-a-hip-fracture-admitted-to-an-acute-geriatric-ward
#5
Signe Hulsbæk, Rikke Faebo Larsen, Susanne Rosthøj, Morten Tange Kristensen
PURPOSE: To examine clinimetric properties of the de Morton Mobility Index (DEMMI) in patients with hip fracture in comparison with the modified Barthel Index (BI), Cumulated Ambulation Score (CAS), and 30-s Chair Stand Test (30-s CST). MATERIALS AND METHODS: Two hundred and twenty two patients with a hip fracture admitted to a geriatric ward following surgery were assessed on day 1 and at discharge (mean of 9 [SD 5.1] post-surgery days). RESULTS: Ninety eight percent and 89% of patients were not able to perform the 30-s CST at baseline and at discharge (large floor effect), respectively...
January 15, 2018: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29330136/white-matter-volume-loss-in-amyotrophic-lateral-sclerosis-a-meta-analysis-of-voxel-based-morphometry-studies
#6
REVIEW
Guangxiang Chen, Baiwan Zhou, Hongyan Zhu, Weihong Kuang, Feng Bi, Hua Ai, Zhongwei Gu, Xiaoqi Huang, Su Lui, Qiyong Gong
Structural neuroimaging studies of white matter (WM) volume in amyotrophic lateral sclerosis (ALS) using voxel-based morphometry (VBM) have yielded inconsistent findings. This study aimed to perform a quantitative voxel-based meta-analysis using effect-size signed differential mapping (ES-SDM) to establish a statistical consensus between published studies for WM volume alterations in ALS. The pooled meta-analysis revealed significant WM volume losses in the bilateral supplementary motor areas (SMAs), bilateral precentral gyri (PGs), left middle cerebellar peduncle and right cerebellum in patients with ALS, involving the corticospinal tract (CST), interhemispheric fibers, subcortical arcuate fibers, projection fibers to the striatum and cortico-ponto-cerebellar tract...
January 9, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29329626/applicability-of-flotac%C3%A2-technique-in-recovering-equine-strongyle-larvae-in-the-pasture-a-comparison-study
#7
Ingrid Carla do Nascimento Ramos, Rafael Antonio do Nascimento Ramos, Victor Fernando de Santana Lima, Alessio Giannelli, Irma Yaneth Torres López, Leucio Câmara Alves
The FLOTAC® technique represents a highly sensitive method for the isolation of oocysts, eggs, and larvae of parasites in faeces. This assay could be used for detecting free-living stages of nematodes in the pasture but no attempt has been assessed so far. Therefore, the performance of FLOTAC® technique for isolating infective larvae of nematodes in the environment was investigated and compared with the spontaneous sedimentation (SST) and centrifugal sedimentation (CST) techniques. The study was conducted in a horse farm located in northeastern Brazil, where the occurrence of strongyle larvae had been previously reported...
January 30, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29328190/orbital-angular-momentum-generation-via-a-spiral-phase-microsphere
#8
Yan Zhou, Hui Gao, Jinghua Teng, Xiangang Luo, Minghui Hong
Vortex beam carrying orbital angular momentum (OAM) attracts much attention in many research fields for its special phase and intensity distributions. In this Letter, a novel design called the spiral phase microsphere (SPMS) is proposed for the first time, to the best of our knowledge, which can convert incident plane wave light into the focused vortex beam that carries OAM with different topological charges l=±1 and ±2. The vortex beam generation is verified by a self-interfered modification of the SPMS...
January 1, 2018: Optics Letters
https://www.readbyqxmd.com/read/29324887/the-tracked-roaming-transect-and-distance-sampling-methods-increase-the-efficiency-of-underwater-visual-censuses
#9
Alejo J Irigoyen, Irene Rojo, Antonio Calò, Gastón Trobbiani, Noela Sánchez-Carnero, José A García-Charton
Underwater visual census (UVC) is the most common approach for estimating diversity, abundance and size of reef fishes in shallow and clear waters. Abundance estimation through UVC is particularly problematic in species occurring at low densities and/or highly aggregated because of their high variability at both spatial and temporal scales. The statistical power of experiments involving UVC techniques may be increased by augmenting the number of replicates or the area surveyed. In this work we present and test the efficiency of an UVC method based on diver towed GPS, the Tracked Roaming Transect (TRT), designed to maximize transect length (and thus the surveyed area) with respect to diving time invested in monitoring, as compared to Conventional Strip Transects (CST)...
2018: PloS One
https://www.readbyqxmd.com/read/29321336/neuroimaging-identifies-patients-most-likely-to-respond-to-a-restorative-stroke-therapy
#10
Jessica M Cassidy, George Tran, Erin B Quinlan, Steven C Cramer
BACKGROUND AND PURPOSE: Patient heterogeneity reduces statistical power in clinical trials of restorative therapies. Valid predictors of treatment responsiveness are needed, and several have been studied with a focus on corticospinal tract (CST) injury. We studied performance of 4 such measures for predicting behavioral gains in response to motor training therapy. METHODS: Patients with subacute-chronic hemiparetic stroke (n=47) received standardized arm motor therapy, and change in arm Fugl-Meyer score was calculated from baseline to 1 month post-therapy...
January 10, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29319091/a-superhydrophilic-cement-coated-mesh-an-acid-alkali-and-organic-reagent-free-material-for-oil-water-separation
#11
Jinlong Song, Shude Li, Changlin Zhao, Yao Lu, Danyang Zhao, Jing Sun, Tamal Roy, Claire J Carmalt, Xu Deng, Ivan P Parkin
Extreme wettability materials applied for oil/water separation have become a research focus in modern society, owing to the large amounts of oil-containing industrial wastewater emissions and the frequent occurrence of oil spills. However, most of the methods to fabricate the extreme wettability materials involve toxic chemical reagents, complex chemical reaction processes, and dangerous operation processes. A new acid, alkali, and organic reagent-free cement-coated mesh was presented for the sustained separation of oil and water from oil/water mixtures...
January 10, 2018: Nanoscale
https://www.readbyqxmd.com/read/29315368/treatment-with-the-neutralizing-antibody-against-repulsive-guidance-molecule-a-promotes-recovery-from-impaired-manual-dexterity-in-a-primate-model-of-spinal-cord-injury
#12
Hiroshi Nakagawa, Taihei Ninomiya, Toshihide Yamashita, Masahiko Takada
Axons in the mature mammalian central nervous system have only a limited capacity to grow/regenerate after injury, and spontaneous recovery of motor functions is therefore not greatly expected in spinal cord injury (SCI). To promote functional recovery after SCI, it is critical that corticospinal tract (CST) fibers reconnect properly with target spinal neurons through enhanced axonal growth/regeneration. Here, we applied antibody treatment against repulsive guidance molecule-a (RGMa) to a monkey model of SCI...
January 5, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29312877/diagnostic-contribution-of-magnetic-resonance-imaging-in-an-atypical-presentation-of-motor-neuron-disease
#13
Lorenzo Ugga, Cinzia Coppola, Sirio Cocozza, Dario Saracino, Ferdinando Caranci, Francesco Tuccillo, Elisabetta Signoriello, Sara Casertano, Giuseppe Di Iorio, Enrico Tedeschi
Motor neuron disease (MND) is a neurodegenerative disease determining progressive and relentless motor deterioration involving both upper and lower motor neurons (UMN and LMN); several variants at onset are described. Here we describe a case of MND presenting as pure spastic monoparesis in which magnetic resonance imaging (MRI) gave a substantial contribution in confirming the diagnosis and assessing the severity of UMN involvement. An isolated pyramidal syndrome, with complete absence of LMN signs, is a rare phenotype in the context of MND (less than 4% of total cases), especially if restricted to only one limb...
December 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29310031/candy-eating-behaviour-to-improve-swallowing-function-in-dementia-subjects
#14
Hiromichi Kawano, Takahiro Mori, Azusa Kuroki, Toshikazu Nagasaki, Mariko Maruyama, Mineka Yoshikawa, Mitsuyoshi Yoshida, Kazuhiro Tsuga
OBJECTIVES: To develop and assess a dysphagia training method involving lollipop sucking training in older adults with dementia, clarify its effectiveness for improving oral function. METHODS: Twenty-five older adults with dementia (5 males and 20 females, mean age 90.8 ± 6.7 years) were participated in this study. Participants were trained in lollipop sucking once a day, 3 times a week for 6 months. Mini-Mental State Examination (MMSE), Barthel Index (BI), Candy Sucking Test (CST), and BMI values were measured before and after the training...
January 4, 2018: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/29307152/the-effects-of-10-week-core-stability-training-on-balance-in-women-with-multiple-sclerosis-according-to-expanded-disability-status-scale-a-single-blinded-randomized-controlled-trial
#15
Banafsheh Amiri, Mansour Sahebozamani, Behnaz Sedighi
AIM: The effect of 10-week core stability training (CST) program on balance in women with relapsing-remitting Multiple Sclerosis (MS) according to Expanded Disability Status Scale (EDSS) score. METHODS: Sixty-nine MS women were randomly assigned into two groups as the intervention group and the control group. These groups were categorized into three subgroups according to the EDSS as follows: subgroup A (EDSS 2.5 to 3.5), subgroup B (EDSS 3.5 to 4.5), and subgroup C (EDSS 4...
January 2, 2018: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29305501/lactobacillus-deficient-vaginal-microbiota-dominate-post-partum-women-in-rural-malawi
#16
Ronan Doyle, Austridia Gondwe, Yue-Mei Fan, Kenneth Maleta, Per Ashorn, Nigel Klein, Kathryn Harris
The bacterial community found in the vagina is an important determinant of a woman's health and disease. A healthy vaginal microbiota is associated with a lower species richness and high proportions of one of a number of different Lactobacillus spp.. When disrupted the resulting abnormal vaginal microbiota is associated with a number of disease states and poor pregnancy outcomes. Studies up until now have concentrated on relatively small numbers of American and European populations which may not capture the full complexity of the community, nor adequately predict what constitutes a healthy microbiota in all populations...
January 5, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29304262/prn-ranibizumab-in-the-treatment-of-choroidal-neovascularization-secondary-to-ocular-histoplasmosis
#17
Edward H Wood, Ryan J Whitted, Thomas W Stone, Ricky D Isernhagen, William J Wood, Diana M Holcomb, John W Kitchens
BACKGROUND AND OBJECTIVE: Ranibizumab (Lucentis; Genentech, South San Francisco, CA) is used off-label for the treatment of choroidal neovascularization secondary to ocular histoplasmosis syndrome (OHS). This study prospectively evaluates the safety and efficacy of two treatment paradigms utilizing ranibizumab 0.5 mg: one or three initial injections followed by monthly visits with PRN treatment through Month 12. PATIENTS AND METHODS: In this prospective, open-label study, 21 subjects were evaluated monthly and retreated during the pro re nata treatment phase if specific criteria were met, including loss of vision, increase in subretinal fluid, or hemorrhage...
January 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29300812/naturalistic-assessment-using-a-simulated-environment-cognitive-correlates-and-relationship-to-functional-status-in-individuals-with-neurologic-conditions
#18
Kayela Robertson, Maureen Schmitter-Edgecombe, Douglas Weeks, Jane Pimentel
Objective: Research has shown that neurologic conditions, such as traumatic brain injury and multiple sclerosis, result in a number of cognitive and functional deficits. However, little is known about the relationship between various cognitive domains and ability to perform everyday activities. The Community Shopping Task (CST), a naturalistic assessment task conducted in a simulated environment, was used to examine functional abilities and cognitive correlates of everyday functioning in individuals with neurologic conditions...
December 28, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29277625/enhanced-axonal-transport-a-novel-form-of-plasticity-after-primate-and-rodent-spinal-cord-injury
#19
J H Brock, E S Rosenzweig, H Yang, M H Tuszynski
Deficient axonal transport after injury is believed to contribute to the failure of CNS regeneration. To better elucidate neural mechanisms associated with CNS responses to injury, we transected the dominant voluntary motor system, the corticospinal tract (CST), in the dorsolateral T10 spinal cord of rhesus monkeys. Three months later, a 4.5-fold increase in the number of CST axons located in the spared ventral corticospinal tract at both the lesion site and, surprisingly, remotely in the cervical spinal cord was observed...
December 22, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29273401/effect-of-streptozotocin-induced-diabetes-on-motor-representations-in-the-motor-cortex-and-corticospinal-tract-in-rats
#20
Ken Muramatsu, Masako Ikutomo, Toru Tamaki, Satoshi Shimo, Masatoshi Niwa
Motor disorders in patients with diabetes are associated with diabetic peripheral neuropathy, which can lead to symptoms such as lower extremity weakness. However, it is unclear whether central motor system disorders can disrupt motor function in patients with diabetes. In a streptozotocin-induced rat model of type 1 diabetes, we used intracortical microstimulation to evaluate motor representations in the motor cortex, recorded antidromic motor cortex responses to spinal cord stimulation to evaluate the function of corticospinal tract (CST) axons, and used retrograde labeling to evaluate morphological alterations of CST neurons...
December 19, 2017: Brain Research
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