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https://www.readbyqxmd.com/read/28820278/does-additional-biceps-augmentation-improve-rotator-cuff-healing-and-clinical-outcomes-in-anterior-l-shaped-rotator-cuff-tears-clinical-comparisons-with-arthroscopic-partial-repair
#1
Yoon Sang Jeon, Juyeob Lee, Rag Gyu Kim, Young-Won Ko, Sang-Jin Shin
BACKGROUND: The repair of anterior L-shaped tears is usually difficult because of the lack of anterior rotator cuff tendon to cover the footprint. The biceps tendon is usually exposed from the retracted anterolateral corner of the torn tendon and can be easily used to augment rotator cuff repair. Hypothesis/Purpose: This study compared the clinical outcomes of the biceps augmentation technique with those of partial tendon repair for the arthroscopic treatment of large anterior L-shaped rotator cuff tears to evaluate the role of additional biceps augmentation in tendon healing...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28816656/tracking-by-detection-of-3d-human-shapes-from-surfaces-to-volumes
#2
Chun-Hao Huang, Benjamin Allain, Edmond Boyer, Jean-Sebastien Franco, Federico Tombari, Nassir Navab, Slobodan Ilic
3D Human shape tracking consists in fitting a template model to temporal sequences of visual observations. It usually comprises an association step, that finds correspondences between the model and the input data, and a deformation step, that fits the model to the observations given correspondences. Most current approaches follow the Iterative-Closest-Point (ICP) paradigm, where the association step is carried out by searching for the nearest neighbors. It fails when large deformations occur and errors in the association tend to propagate over time...
August 15, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28814975/the-typically-developing-paediatric-foot-how-flat-should-it-be-a-systematic-review
#3
REVIEW
Hayley Uden, Rolf Scharfbillig, Ryan Causby
BACKGROUND: All typically developing children are born with flexible flat feet, progressively developing a medial longitudinal arch during the first decade of their lives. Whilst the child's foot is expected to be flat, there is currently no consensus as to how flat this foot should be. Furthermore, whilst feet are observed to decrease in flatness with increasing age, it is not known how flat they should be at each age increment. The objective of this systematic review is to define the postural characteristics of the 'typically' developing paediatric foot...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28814059/biomot-exoskeleton-towards-a-smart-wearable-robot-for-symbiotic-human-robot-interaction
#4
Tomislav Bacek, Marta Moltedo, Kevin Langlois, Guillermo Asin Prieto, Maria Carmen Sanchez-Villamanan, Jose Gonzalez-Vargas, Bram Vanderborght, Dirk Lefeber, Juan C Moreno
This paper presents design of a novel modular lower-limb gait exoskeleton built within the FP7 BioMot project. Exoskeleton employs a variable stiffness actuator in all 6 joints, a directional-flexibility structure and a novel physical humanrobot interfacing, which allows it to deliver the required output while minimally constraining user's gait by providing passive degrees of freedom. Due to modularity, the exoskeleton can be used as a full lower-limb orthosis, a single-joint orthosis in any of the three joints, and a two-joint orthosis in a combination of any of the two joints...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813855/an-optimized-design-of-a-parallel-robot-for-gait-training
#5
Marco Maddalena, Mozafar Saadat, Alireza Rastegarpanah, Rui C V Loureiro
The guidelines for enhancing robot-assisted training for post-stroke survivors head towards increasing exercise realism and variability; in particular lower limb rehabilitation needs the patient to feel challenged to adapt his locomotion and dynamic balance capabilities to different virtual ground scenarios. This paper proposes a design for a robot whose end-effector acts as a footplate to be in permanent contact with the user's foot during practice: the structure is such that it enables the user's foot to rotate around three axis, differently from what is currently available in the research for gait training; the parallel kinematic structure and the dimensional synthesis allow a suitable range of motion and aim at limiting device mass, footprint and reaction forces on the actuators when rendering virtual ground...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813467/meat-consumption-reduction-in-italian-regions-health-co-benefits-and-decreases-in-ghg-emissions
#6
Sara Farchi, Manuela De Sario, Enrica Lapucci, Marina Davoli, Paola Michelozzi
INTRODUCTION: Animal agriculture has exponentially grown in recent decades in response to the rise in global demand for meat, even in countries like Italy that traditionally eat a Mediterranean, plant-based diet. Globalization related dietary changes are contributing to the epidemic of non-communicable diseases and to the global climate crisis, and are associated with huge carbon and water footprints. The objective of the study is to assess inequalities in health impacts and in attributable greenhouse gases-GHG emissions in Italy by hypothesizing different scenarios of reduction in red and processed meat consumption towards healthier consumption patterns more compliant with the recommendations of the Mediterranean food pyramid...
2017: PloS One
https://www.readbyqxmd.com/read/28812571/identifying-species-threat-hotspots-from-global-supply-chains
#7
Daniel Moran, Keiichiro Kanemoto
Identifying hotspots of species threat has been a successful approach for setting conservation priorities. One important challenge in conservation is that, in many hotspots, export industries continue to drive overexploitation. Conservation measures must consider not just the point of impact, but also the consumer demand that ultimately drives resource use. To understand which species threat hotspots are driven by which consumers, we have developed a new approach to link a set of biodiversity footprint accounts to the hotspots of threatened species on the IUCN Red List of Threatened Species...
January 4, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28811483/the-impact-of-human-population-pressure-on-flying-fox-niches-and-the-potential-consequences-for-hendra-virus-spillover
#8
Michael G Walsh, Anke Wiethoelter, M A Haseeb
Hendra virus (HeV) is an emerging pathogen of concern in Australia given its ability to spillover from its reservoir host, pteropid bats, to horses and further on to humans, and the severe clinical presentation typical in these latter incidental hosts. Specific human pressures over recent decades, such as expanding human populations, urbanization, and forest fragmentation, may have altered the ecological niche of Pteropus species acting as natural HeV reservoirs and may modulate spillover risk. This study explored the influence of inter-decadal net human local migration between 1970 and 2000 on changes in the habitat suitability to P...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811350/defining-the-dna-binding-site-recognized-by-the-fission-yeast-zn2cys6-transcription-factor-pho7-and-its-role-in-phosphate-homeostasis
#9
Beate Schwer, Ana M Sanchez, Angad Garg, Debashree Chatterjee, Stewart Shuman
Fission yeast phosphate homeostasis entails transcriptional induction of genes encoding phosphate-mobilizing proteins under conditions of phosphate starvation. Transcription factor Pho7, a member of the Zn2Cys6 family of fungal transcription regulators, is the central player in the starvation response. The DNA binding sites in the promoters of phosphate-responsive genes have not been defined, nor have any structure-function relationships been established for the Pho7 protein. Here we narrow this knowledge gap by (i) delineating an autonomous DNA-binding domain (DBD) within Pho7 that includes the Zn2Cys6 module, (ii) deploying recombinant Pho7 DBD in DNase I footprinting and electrophoretic mobility shift assays (EMSAs) to map the Pho7 recognition sites in the promoters of the phosphate-regulated pho1 and tgp1 genes to a 12-nucleotide sequence motif [5'-TCG(G/C)(A/T)xxTTxAA], (iii) independently identifying the same motif as a Pho7 recognition element via in silico analysis of available genome-wide ChIP-seq data, (iv) affirming that mutations in the two Pho7 recognition sites in the pho1 promoter efface pho1 expression in vivo, and (v) establishing that the zinc-binding cysteines and a pair of conserved arginines in the DBD are essential for Pho7 activity in vivoIMPORTANCE Fungi respond to phosphate starvation by inducing the transcription of a set of phosphate acquisition genes that comprise a phosphate regulon...
August 15, 2017: MBio
https://www.readbyqxmd.com/read/28810930/sex-differences-in-microrna-mrna-networks-examination-of-novel-epigenetic-programming-mechanisms-in-the-sexually-dimorphic-neonatal-hypothalamus
#10
Christopher P Morgan, Tracy L Bale
BACKGROUND: Sexual differentiation of the male brain, and specifically the stress circuitry in the hypothalamus, is primarily driven by estrogen exposure during the perinatal period. Surprisingly, this single hormone promotes diverse programs of sex-specific development that vary widely between different cell types and across the developing male brain. The complexity of this phenomenon suggests that additional layers of gene regulation, including microRNAs (miRNAs), must act downstream of estrogen to mediate this specificity...
August 15, 2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28809881/genetic-algorithm-optimized-wideband-on-chip-polarization-rotator-with-an-ultrasmall-footprint
#11
Zejie Yu, Haoran Cui, Xiankai Sun
Polarization control of light waves is an important technique in optical communication and signal processing. On-chip polarization rotation from the fundamental transverse-electric (TE00) mode to the fundamental transverse-magnetic (TM00) mode is usually difficult because of their large effective refractive index difference. Here, we demonstrate an on-chip wideband polarization rotator designed with a genetic algorithm to convert the TE00 mode into the TM00 mode within a footprint of 0.96 μm ×4.2  μm...
August 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28809785/path-planning-for-non-circular-non-holonomic-robots-in-highly-cluttered-environments
#12
Ricardo Samaniego, Joaquin Lopez, Fernando Vazquez
This paper presents an algorithm for finding a solution to the problem of planning a feasible path for a slender autonomous mobile robot in a large and cluttered environment. The presented approach is based on performing a graph search on a kinodynamic-feasible lattice state space of high resolution; however, the technique is applicable to many search algorithms. With the purpose of allowing the algorithm to consider paths that take the robot through narrow passes and close to obstacles, high resolutions are used for the lattice space and the control set...
August 15, 2017: Sensors
https://www.readbyqxmd.com/read/28805899/effects-of-forage-types-on-digestibility-methane-emissions-and-nitrogen-utilization-efficiency-in-two-genotypes-of-hill-ewes
#13
Y G Zhao, R Annett, T Yan
Thirty-six nonpregnant hill ewes (18 pure Scottish Blackface and 18 Swaledale × Scottish Blackface) aged 18 mo and weighing 48 ± 4.8 kg were allocated to 3 forage treatments balanced for genotype and BW. Each genotype was offered 3 forages (pelleted ryegrass, fresh lowland grass, and fresh hill grass) ad libitum with 6 ewes for each of the 6 genotype × diet combination treatments. Pelleted ryegrass was sourced from a commercial supplier (Drygrass South Western Ltd, Burrington, UK). Fresh lowland grass was harvested daily in the morning from a third regrowth perennial ryegrass () sward...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28803764/effect-of-a-food-waste-disposer-policy-on-solid-waste-and-wastewater-management-with-economic-implications-of-environmental-externalities
#14
Amani Maalouf, Mutasem El-Fadel
In this study, the carbon footprint of introducing a food waste disposer (FWD) policy was examined in the context of its implications on solid waste and wastewater management with economic assessment of environmental externalities emphasizing potential carbon credit and increased sludge generation. For this purpose, a model adopting a life cycle inventory approach was developed to integrate solid waste and wastewater management processes under a single framework and test scenarios for a waste with high organic food content typical of developing economies...
August 10, 2017: Waste Management
https://www.readbyqxmd.com/read/28803205/water-footprint-assessment-for-crop-production-based-on-field-measurements-a-case-study-of-irrigated-paddy-rice-in-east-china
#15
Cao Xinchun, Wu Mengyang, Shu Rui, Zhuo La, Chen Dan, Shao Guangcheng, Guo Xiangping, Wang Weiguang, Tang Shuhai
Water footprint (WF) is a comprehensive measure of water consumption by human activities and can be used to assess the impact on both water volume and quality. This study aims to explore the feasibility of evaluating green, blue and grey WFs of crop production based on field measurements. The irrigated paddy rice grown in three different experimental sites in different typical irrigation districts in Huai'an, East China over 2011 to 2014 was taken as study case. With fixed irrigation and fertilization, on the basis of measuring field water and fertilizer balance at daily step, we calculated WF of crop production under different test treatments...
August 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28803191/enhancing-recovery-of-magnesium-as-struvite-from-landfill-leachate-by-pretreatment-of-calcium-with-simultaneous-reduction-of-liquid-volume-via-forward-osmosis
#16
Simiao Wu, Shiqiang Zou, Guannan Liang, Guangren Qian, Zhen He
Landfill leachate contains substances that can be potentially recovered as valuable resources. In this study, magnesium in a landfill leachate was recovered as struvite with calcium pretreatment; meanwhile, the leachate volume was reduced by using a submerged forward osmosis (FO) process, thereby enabling significant reduction of further treatment footprint and cost. Without pretreatment, calcium exhibited strong competition for phosphate with magnesium. The pretreatment with a Ca(2+): CO3(2-) molar ratio of 1:1...
August 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28803060/predictions-of-biochar-production-and-torrefaction-performance-from-sugarcane-bagasse-using-interpolation-and-regression-analysis
#17
Wei-Hsin Chen, Hung-Jen Hsu, Gopalakrishnan Kumar, Wojciech M Budzianowski, Hwai Chyuan Ong
This study focuses on the biochar formation and torrefaction performance of sugarcane bagasse, and they are predicted using the bilinear interpolation (BLI), inverse distance weighting (IDW) interpolation, and regression analysis. It is found that the biomass torrefied at 275°C for 60min or at 300°C for 30min or longer is appropriate to produce biochar as alternative fuel to coal with low carbon footprint, but the energy yield from the torrefaction at 300°C is too low. From the biochar yield, enhancement factor of HHV, and energy yield, the results suggest that the three methods are all feasible for predicting the performance, especially for the enhancement factor...
August 3, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28801704/no-clinical-differences-between-anteromedial-portal-and-transtibial-technique-for-femoral-tunnel-positioning-in-anterior-cruciate-ligament-reconstruction-a-prospective-randomized-controlled-trial
#18
Peter MacDonald, Chris Kim, Sheila McRae, Jeff Leiter, Ryan Khan, Daniel Whelan
PURPOSE: The anteromedial (AMP) portal technique was introduced to position the femoral tunnel in anterior cruciate ligament (ACL) reconstruction to more closely replicate the original ACL footprint compared to the transtibial (TT) approach. Few randomized trials have evaluated differences in these techniques with respect to clinical outcomes. The purpose of this study was to determine if there are any differences in clinical outcome between the AMP and TT approaches. METHODS: This is a single-blinded, prospective, randomized controlled trial...
August 11, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28800853/the-anterolateral-ligament-anatomic-implications-for-its-reconstruction
#19
Neri Thomas, Palpacuer Fabien, Testa Rodolphe, Bergandi Florian, Boyer Bertrand, Farizon Frederic, Philippot Remi
BACKGROUND: The purpose of this study was to define the best anatomic parameters with which to perform an accurate anterolateral ligament (ALL) reconstruction. These parameters were anatomical insertions, allowing favorable isometry, length variation during flexion, and anthropometric predictors of ALL lengths. METHODS: A total of 84 fresh-frozen cadaver knees were dissected to analyze the ALL, focusing on its femoral insertion. The ALL length was measured in different degrees of flexion (extension, 30°, 60°, and 90° of flexion) and rotation (neutral, internal or external rotation)...
August 8, 2017: Knee
https://www.readbyqxmd.com/read/28800764/lrp-a-global-regulator-regulates-the-virulence-of-vibrio-vulnificus
#20
Yu-Chi Ho, Feng-Ru Hung, Chao-Hui Weng, Wei-Ting Li, Tzu-Hung Chuang, Tsung-Lin Liu, Ching-Yuan Lin, Chien-Jung Lo, Chun-Liang Chen, Jen-Wei Chen, Masayuki Hashimoto, Lien-I Hor
BACKGROUND: An attenuated mutant (designated NY303) of Vibrio vulnificus, which causes serious wound infection and septicemia in humans, was isolated fortuitously from a clinical strain YJ016. This mutant was defective in cytotoxicity, migration on soft agar and virulence in the mouse. The purpose of this study was to map the mutation in this attenuated mutant and further explore how the gene thus identified is involved in virulence. METHODS: The whole genome sequence of mutant NY303 determined by next-generation sequencing was compared with that of strain YJ016 to map the mutations...
August 11, 2017: Journal of Biomedical Science
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