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https://www.readbyqxmd.com/read/28323814/three-dimensional-evaluation-of-maxillary-sinus-septa-for-implant-placement
#1
Eliza Dragan, Guillaume A Odri, Gabriel Melian, Danisia Haba, Raphael Olszewski
BACKGROUND: The aim of our study was to investigate, in 3 dimensions, the maxillary sinus septa as an alternative site for dental implant placement to avoid sinus lift procedures. MATERIAL AND METHODS: We selected 100 dentate and 100 edentate patients with the presence of a maxillary sinus septum by reviewing a larger cone beam computer tomography (CBCT) database from the Department of Oral and Maxillofacial Surgery at Cliniques Universitaires Saint Luc in Bruxelles, Belgium...
March 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28319685/linking-actions-and-objects-context-specific-learning-of-novel-weight-priors
#2
Kevin M Trewartha, J Randall Flanagan
Distinct explicit and implicit memory processes support weight predictions used when lifting objects and making perceptual judgments about weight, respectively. The first time that an object is encountered weight is predicted on the basis of learned associations, or priors, linking size and material to weight. A fundamental question is whether the brain maintains a single, global representation of priors, or multiple representations that can be updated in a context specific way. A second key question is whether the updating of priors, or the ability to scale lifting forces when repeatedly lifting unusually weighted objects requires focused attention...
March 17, 2017: Cognition
https://www.readbyqxmd.com/read/28319141/heightened-clinical-utility-of-smartphone-versus-body-worn-inertial-system-for-shoulder-function-b-b-score
#3
Claude Pichonnaz, Kamiar Aminian, Céline Ancey, Hervé Jaccard, Estelle Lécureux, Cyntia Duc, Alain Farron, Brigitte M Jolles, Nigel Gleeson
BACKGROUND: The B-B Score is a straightforward kinematic shoulder function score including only two movements (hand to the Back + lift hand as to change a Bulb) that demonstrated sound measurement properties for patients for various shoulder pathologies. However, the B-B Score results using a smartphone or a reference system have not yet been compared. Provided that the measurement properties are comparable, the use of a smartphone would offer substantial practical advantages. This study investigated the concurrent validity of a smartphone and a reference inertial system for the measurement of the kinematic shoulder function B-B Score...
2017: PloS One
https://www.readbyqxmd.com/read/28317554/chimpanzee-and-human-midfoot-motion-during-bipedal-walking-and-the-evolution-of-the-longitudinal-arch-of-the-foot
#4
Nicholas B Holowka, Matthew C O'Neill, Nathan E Thompson, Brigitte Demes
The longitudinal arch of the human foot is commonly thought to reduce midfoot joint motion to convert the foot into a rigid lever during push off in bipedal walking. In contrast, African apes have been observed to exhibit midfoot dorsiflexion following heel lift during terrestrial locomotion, presumably due to their possession of highly mobile midfoot joints. This assumed dichotomy between human and African ape midfoot mobility has recently been questioned based on indirect assessments of in vivo midfoot motion, such as plantar pressure and cadaver studies; however, direct quantitative analyses of African ape midfoot kinematics during locomotion remain scarce...
March 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28317376/all-dielectric-full-color-printing-with-tio2-metasurfaces
#5
Shang Sun, Zhenxing Zhou, Chen Zhang, Yisheng Gao, Zonghui Duan, Shumin Xiao, Qinghai Song
Recently, color generation in resonant nanostructures have been intensively studied. Despite of their exciting progresses, the structural colors are usually generated by the plasmonic resonances of metallic nanoparticles. Due to the inherent plasmon damping, such plasmonic nanostructures are usually hard to create very distinct color impressions. Here we utilize the concept of metasurfaces to produce all-dielectric, low-loss, and high resolution structural colors. We have fabricated TiO2 metasurfaces with electron-beam lithography and a very simple lift-off process...
March 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28306561/diving-into-the-oocyte-pool
#6
Stine G Kristensen, Susanne E Pors, Claus Y Andersen
PURPOSE OF REVIEW: The ovarian reserve comprises an enormous surplus of follicles. Despite this, some women produce insufficient numbers of oocytes by conventional fertility treatments. However, recent technical accomplishments may transform assisted reproductive technology (ART) in such a way that oocytes are not necessarily the limiting factor. In this review, we present possible new strategies for enhancing the quantity of mature oocytes, and current views on autologous oocytes as potential sources of mitochondria to lift performance of compromised oocytes...
March 16, 2017: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28304413/carbon-nanotube-thin-film-transistors-fabricated-by-an-etching-based-manufacturing-compatible-process
#7
Boyuan Tian, Xuelei Liang, Jiye Xia, Han Zhang, Guodong Dong, Qi Huang, Lianmao Peng, Sishen Xie
Carbon nanotube thin film transistors (CNT-TFTs) have been regarded as strong competitors to currently commercialized TFT technologies. Though much progress has been achieved recently, CNT-TFT research is still in the stage of laboratory research. One critical challenge for commercializing CNT-TFT technology is that the commonly used device fabrication method is a lift-off based process, which is not suitable for mass production. In this paper, we report an etching based fabrication process for CNT-TFTs, which is fully manufacturing compatible...
March 17, 2017: Nanoscale
https://www.readbyqxmd.com/read/28303797/flexible-resistive-random-access-memory-using-nio-sub-x-sub-gan-microdisk-arrays-fabricated-on-graphene-films
#8
Keundong Lee, Jong-Woo Park, Youngbin Tchoe, Jiyoung Yoon, Kunook Chung, Hosang Yoon, Sangik Lee, Chansoo Yoon, Bae Park, Gyu-Chul Yi
We report on flexible resistive random access memory (ReRAM) arrays fabricated using NiOx/GaN microdisk arrays on graphene films. The ReRAM device was created from discrete GaN microdisk arrays grown on graphene films produced by chemical vapor deposition, followed by deposition of NiOx thin layers and Au metal contacts. The microdisk ReRAM arrays were transferred to flexible plastic substrates by a simple lift-off technique. The electrical and memory characteristics of the ReRAM devices were investigated under bending conditions...
March 17, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28303251/emg-processing-based-measures-of-fatigue-assessment-during-manual-lifting
#9
REVIEW
E F Shair, S A Ahmad, M H Marhaban, S B Mohd Tamrin, A R Abdullah
Manual lifting is one of the common practices used in the industries to transport or move objects to a desired place. Nowadays, even though mechanized equipment is widely available, manual lifting is still considered as an essential way to perform material handling task. Improper lifting strategies may contribute to musculoskeletal disorders (MSDs), where overexertion contributes as the highest factor. To overcome this problem, electromyography (EMG) signal is used to monitor the workers' muscle condition and to find maximum lifting load, lifting height and number of repetitions that the workers are able to handle before experiencing fatigue to avoid overexertion...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28302857/epitaxial-lift-off-of-electrodeposited-single-crystal-gold-foils-for-flexible-electronics
#10
Naveen K Mahenderkar, Qingzhi Chen, Ying-Chau Liu, Alexander R Duchild, Seth Hofheins, Eric Chason, Jay A Switzer
We introduce a simple and inexpensive procedure for epitaxial lift-off of wafer-size flexible and transparent foils of single-crystal gold using silicon as a template. Lateral electrochemical undergrowth of a sacrificial SiO x layer was achieved by photoelectrochemically oxidizing silicon under light irradiation. A 28-nanometer-thick gold foil with a sheet resistance of 7 ohms per square showed only a 4% increase in resistance after 4000 bending cycles. A flexible organic light-emitting diode based on tris(bipyridyl)ruthenium(II) that was spin-coated on a foil exploited the transmittance and flexibility of the gold foil...
March 17, 2017: Science
https://www.readbyqxmd.com/read/28302828/lifting-off-gold-films
#11
EDITORIAL
Phil Szuromi
No abstract text is available yet for this article.
March 17, 2017: Science
https://www.readbyqxmd.com/read/28302719/a-repressive-role-of-enhancer-of-zeste-homolog-2-in-11%C3%AE-hydroxysteroid-dehydrogenase-type-2-expression-in-human-placenta
#12
Rujuan Zuo, Xiaohui Liu, Wangsheng Wang, Wenjiao Li, Hao Ying, Kang Sun
The expression of 11β-hydroxysteroid dehydrogenase type 2 (11β-HSD2), which acts as a placental glucocorticoid barrier, is silenced in the cytotrophoblasts but substantially up-regulated during syncytialization. However, the repressive mechanism of 11β-HSD2 expression before syncytialization and how this repression is lifted during syncytialization remain mostly unresolved. Here we found that enhancer of zeste homolog 2 (EZH2) accounts for the silence of 11β-HSD2 expression via trimethylation of histone H3 lysine 27 (H3K27me3) at the promoter of 11β-HSD2 gene...
March 16, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28302669/propulsive-efficiency-of-frog-swimming-with-different-feet-and-swimming-patterns
#13
Fan Jizhuang, Zhang Wei, Yuan Bowen, Liu Gangfeng
Aquatic and terrestrial animals have different swimming performances and mechanical efficiencies based on their different swimming methods. To explore propulsion in swimming frogs, this paper calculated mechanical efficiencies based on data describing aquatic and terrestrial webbed foot shapes and swimming patterns. First, a simplified frog model and dynamic equation were established, and hydrodynamic forces on the foot were computed according to computational fluid dynamic calculations. Then, a two-link mechanism was used to stand in for the diverse and complicated hind legs found in different frog species, in order to simplify the input work calculation...
March 16, 2017: Biology Open
https://www.readbyqxmd.com/read/28301645/association-of-face-lift-surgery-with-social-perception-age-attractiveness-health-and-success
#14
Jason C Nellis, Masaru Ishii, Ira D Papel, Theda C Kontis, Patrick J Byrne, Kofi D O Boahene, Kristin L Bater, Lisa E Ishii
Importance: Evidence quantifying the influence of face-lift surgery on societal perceptions is lacking. Objective: To measure the association of face-lift surgery with observer-graded perceived age, attractiveness, success, and overall health. Design, Setting, and Participants: In a web-based survey, 526 casual observers naive to the purpose of the study viewed independent images of 13 unique female patient faces before or after face-lift surgery from January 1, 2016, through June 30, 2016...
March 16, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28300790/non-destructive-detection-of-wire-rope-discontinuities-from-residual-magnetic-field-images-using-the-hilbert-huang-transform-and-compressed-sensing
#15
Juwei Zhang, Xiaojiang Tan, Pengbo Zheng
Electromagnetic methods are commonly employed to detect wire rope discontinuities. However, determining the residual strength of wire rope based on the quantitative recognition of discontinuities remains problematic. We have designed a prototype device based on the residual magnetic field (RMF) of ferromagnetic materials, which overcomes the disadvantages associated with in-service inspections, such as large volume, inconvenient operation, low precision, and poor portability by providing a relatively small and lightweight device with improved detection precision...
March 16, 2017: Sensors
https://www.readbyqxmd.com/read/28299691/fabrication-of-hydrogenated-diamond-metal-insulator-semiconductor-field-effect-transistors
#16
Jiangwei Liu, Yasuo Koide
Diamond is regarded as a promising material for fabrication of high-power and high-frequency electronic devices due to its remarkable intrinsic properties, such as wide band gap energy, high carrier mobility, and high breakdown field. Meanwhile, since diamond has good biocompatibility, long-term durability, good chemical inertness, and a large electron-chemical potential window, it is a suitable candidate for the fabrication of biosensors. Here, we demonstrate the fabrication of hydrogenated diamond (H-diamond) based metal-insulator-semiconductor field-effect transistors (MISFETs)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28299406/evaluation-of-the-health-status-of-the-silverside-odontesthes-bonariensis-at-a-ramsar-site-in-south-america
#17
M L Ballesteros, A C Hued, M Gonzalez, K S B Miglioranza, M A Bistoni
The objective of this work was to evaluate the health status of an economic and ecologically important fish species from Mar Chiquita Lake, a RAMSAR site located in Cordoba, Argentina, relative to the levels of selected persistent organic pollutants (POPs) in lake water and fish tissues. Odontesthes bonariensis was used as a model species, and its health was estimated by means of histological indices in gills and liver. Sampling was performed according to rainy and dry seasons (i.e. dry, rainy and post-rainy)...
March 16, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28299256/clinical-and-radiological-evaluation-of-implants-placed-with-osteotome-sinus-lift-technique-19-month-follow-up
#18
Bijan Movahedian Attar, Samaneh Alaei, Hamid Badrian, Amin Davoudi
AIMS: Implant placement in the posterior region of the maxilla might be problematic due to poor regional bone quality. The aim of this study was to clinically and radiologically evaluate implants which were placed in the posterior region of the maxilla (with insufficient bone height) with osteotome sinus lift technique after 19-month follow-up. MATERIALS AND METHODS: Twenty-four patients with posterior maxillary alveolar height ranging from 5 to 8 mm were chosen for this prospective study...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28298833/minimally-invasive-maxillary-sinus-elevation-using-balloon-system-a-case-series
#19
Radha Bharathi Dhandapani, Shivakumar Baskaran, Kurumathur Vasudevan Arun, Thirunelveli Saravanan Subbu Kumar
The posterior maxillary segment frequently exhibits insufficient bone mass to support dental implants. Sinus floor augmentation enables implant placement in the posterior maxilla. This case series included ten sites, in which sinus floor elevation was done using sinus lift balloon system followed by augmentation utilizing irradiated cancellous bone allograft. Postoperative radiographic assessment of vertical bone gain was done at 3 and 6 months follow-up period. The mean initial and final bone height were 6...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28298065/clinical-assessment-of-the-dynamic-labral-shear-test-for-superior-labrum-anterior-and-posterior-lesions
#20
Sonal Sodha, Uma Srikumaran, Kyubo Choi, Amrut U Borade, Edward G McFarland
BACKGROUND: Diagnosing superior labrum anterior and posterior (SLAP) lesions through physical examination remains challenging. The dynamic labral shear test (DLST) has been shown to have likelihood ratios (LRs) of 31.6 and 1.1 for diagnosing SLAP lesions. PURPOSE: To determine the clinical utility of the DLST for diagnosing SLAP lesions. STUDY DESIGN: Cohort study (diagnosis); Level of evidence, 2. METHODS: This prospective, consecutive case series included 774 patients who underwent diagnostic arthroscopy and a preoperative DLST between 2007 and 2013...
March 2017: American Journal of Sports Medicine
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