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https://www.readbyqxmd.com/read/27917858/discovery-of-a-new-type-of-topological-weyl-fermion-semimetal-state-in-moxw1-xte2
#1
Ilya Belopolski, Daniel S Sanchez, Yukiaki Ishida, Xingchen Pan, Peng Yu, Su-Yang Xu, Guoqing Chang, Tay-Rong Chang, Hao Zheng, Nasser Alidoust, Guang Bian, Madhab Neupane, Shin-Ming Huang, Chi-Cheng Lee, You Song, Haijun Bu, Guanghou Wang, Shisheng Li, Goki Eda, Horng-Tay Jeng, Takeshi Kondo, Hsin Lin, Zheng Liu, Fengqi Song, Shik Shin, M Zahid Hasan
The recent discovery of a Weyl semimetal in TaAs offers the first Weyl fermion observed in nature and dramatically broadens the classification of topological phases. However, in TaAs it has proven challenging to study the rich transport phenomena arising from emergent Weyl fermions. The series MoxW1-xTe2 are inversion-breaking, layered, tunable semimetals already under study as a promising platform for new electronics and recently proposed to host Type II, or strongly Lorentz-violating, Weyl fermions. Here we report the discovery of a Weyl semimetal in MoxW1-xTe2 at x=25%...
December 5, 2016: Nature Communications
https://www.readbyqxmd.com/read/27914171/clinical-feasibility-of-brain-computer-interface-based-on-steady-state-visual-evoked-potential-in-patients-with-locked-in-syndrome-case-studies
#2
Han-Jeong Hwang, Chang-Hee Han, Jeong-Hwan Lim, Yong-Wook Kim, Soo-In Choi, Kwang-Ok An, Jun-Hak Lee, Ho-Seung Cha, Seung Hyun Kim, Chang-Hwan Im
Although the feasibility of brain-computer interface (BCI) systems based on steady-state visual evoked potential (SSVEP) has been extensively investigated, only a few studies have evaluated its clinical feasibility in patients with locked-in syndrome (LIS), who are the main targets of BCI technology. The main objective of this case report was to share our experiences of SSVEP-based BCI experiments involving five patients with LIS, thereby providing researchers with useful information that can potentially help them to design BCI experiments for patients with LIS...
December 3, 2016: Psychophysiology
https://www.readbyqxmd.com/read/27903637/spatial-scale-and-distribution-of-neurovascular-signals-underlying-decoding-of-orientation-and-eye-of-origin-from-fmri-data
#3
Jonas Larsson, Charlotte Harrison, Jade Jackson, Seung-Mock Oh, Vaida Zeringyte
Multivariate pattern analysis of functional MRI (fMRI) data is widely used, yet the spatial scales and origin of neurovascular signals underlying such analyses remain unclear. We compared decoding performance for stimulus orientation and eye-of-origin from fMRI measurements in human visual cortex with predictions based on the columnar organisation of each feature, and estimated the spatial scales of patterns driving decoding. Both orientation and eye-of-origin could be decoded significantly above chance in early visual areas (V1-V3)...
November 30, 2016: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27901232/reliability-of-overbite-depth-indicator-odi-and-anteroposterior-dysplasia-indicator-apdi-in-the-assessment-of-different-vertical-and-sagittal-dental-malocclusions-a-receiver-operating-characteristic-roc-analysis
#4
Farheen Fatima, Mubassar Fida, Attiya Shaikh
Introduction: Differential diagnosis of skeletal and dental relationships is crucial for planning orthodontic treatment. Overbite depth indicator (ODI) and anteroposterior dysplasia indicator (APDI) had been introduced in the past for assessment of vertical and sagittal jaw relationships, respectively. Objective: The objectives of this study were to evaluate the reliability of ODI and APDI in overbite and Angle malocclusions, as well as assess their diagnostic reliability among males and females of different age groups...
September 2016: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/27898580/resident-compliance-with-the-american-academy-of-ophthalmology-preferred-practice-patterns-for-primary-open-angle-glaucoma-suspect
#5
Melanie Mihlstin, Mark S Juzych, Heidi T Kromrei, Frank S Hwang, Jia Yin
PURPOSE: To study resident compliance with the American Academy of Ophthalmology (AAO) Preferred Practice Patterns (PPPs) for primary open-angle glaucoma suspect (POAGS) in a resident ophthalmology clinic. PATIENTS AND METHODS: Two hundred charts were selected for analysis of adult patients with the International Classification of Diseases diagnosis code for POAGS during their initial visit between November 2, 2010 and May 6, 2014 at the Kresge Eye Institute resident clinic...
December 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27895346/association-between-hypodontia-and-angles-malocclusion
#6
Batool Ali, Syed Sheeraz Hussain
This study was planned to determine the prevalence of hypodontia in permanent dentition and to test whether an association was present between hypodontia and Angle's malocclusion. The retrospective study was conducted at a tertiary care hospital, Karachi, and comprised record of all patients visiting the orthodontic clinics of the hospital from 2005 to 2015. Orthodontic records of 790(79%) subjects, including 189(23.9%) males and 601(76.1%) females, were reviewed. Their mean age was 17 ± 5.06 years. A tooth was considered missing if no evidence of tooth germ was observed on orthopantomograms and dental casts...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27894549/quantitative-assessment-of-the-effectiveness-of-phase-1-orthodontic-treatment-using-the-american-board-of-orthodontics-discrepancy-index
#7
Nefeli Vasilakou, Eustaquio A Araujo, Ki Beom Kim, Donald R Oliver
INTRODUCTION: This retrospective study included a sample of 300 randomly selected patients from the archived records of Saint Louis University's graduate orthodontic clinic, St. Louis, Mo, from 1990 to 2012. The objective of this study was to quantify the changes obtained in phase 1 of orthodontic treatment and determine how much improvement, if any, has occurred before the initiation of the second phase. METHODS: For the purpose of this study, prephase 1 and prephase 2 records of 300 subjects were gathered...
December 2016: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27893380/area-determination-of-diabetic-foot-ulcer-images-using-a-cascaded-two-stage-svm-based-classification
#8
Lei Wang, Peder Pedersen, Emmanuel Agu, Diane Strong, Bengisu Tulu
It is standard practice for clinicians and nurses to primarily assess patients' wounds via visual examination. This subjective method can be inaccurate in wound assessment and also represents a significant clinical workload. Hence, computer-based systems, especially implemented on mobile devices, can provide automatic, quantitative wound assessment and can thus be valuable for accurately monitoring wound healing status. Out of all wound assessment parameters, the measurement of the wound area is the most suitable for automated analysis...
November 23, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/27891045/reinforced-angle-based-multicategory-support-vector-machines
#9
Chong Zhang, Yufeng Liu, Junhui Wang, Hongtu Zhu
The Support Vector Machine (SVM) is a very popular classification tool with many successful applications. It was originally designed for binary problems with desirable theoretical properties. Although there exist various Multicategory SVM (MSVM) extensions in the literature, some challenges remain. In particular, most existing MSVMs make use of k classification functions for a k-class problem, and the corresponding optimization problems are typically handled by existing quadratic programming solvers. In this paper, we propose a new group of MSVMs, namely the Reinforced Angle-based MSVMs (RAMSVMs), using an angle-based prediction rule with k - 1 functions directly...
2016: Journal of Computational and Graphical Statistics
https://www.readbyqxmd.com/read/27883177/feasibility-of-clinical-detection-of-cervical-dysplasia-using-angle-resolved-low-coherence-interferometry-measurements-of-depth-resolved-nuclear-morphology
#10
Derek Ho, Tyler K Drake, Karen K Smith-McCune, Teresa M Darragh, Loris Y Hwang, Adam Wax
This study sought to establish the feasibility of using in situ depth-resolved nuclear morphology measurements for detection of cervical dysplasia. Forty (40) enrolled patients received routine cervical colposcopy with angle-resolved low coherence interferometry (a/LCI) measurements of nuclear morphology. a/LCI scans from 63 tissue sites were compared to histopathological analysis of co-registered biopsy specimens which were classified as benign, low-grade squamous intraepithelial lesion (LSIL), or high-grade squamous intraepithelial lesion (HSIL)...
November 24, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27868066/application-of-machine-learning-approaches-for-classifying-sitting-posture-based-on-force-and-acceleration-sensors
#11
Roland Zemp, Matteo Tanadini, Stefan Plüss, Karin Schnüriger, Navrag B Singh, William R Taylor, Silvio Lorenzetti
Occupational musculoskeletal disorders, particularly chronic low back pain (LBP), are ubiquitous due to prolonged static sitting or nonergonomic sitting positions. Therefore, the aim of this study was to develop an instrumented chair with force and acceleration sensors to determine the accuracy of automatically identifying the user's sitting position by applying five different machine learning methods (Support Vector Machines, Multinomial Regression, Boosting, Neural Networks, and Random Forest). Forty-one subjects were requested to sit four times in seven different prescribed sitting positions (total 1148 samples)...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27867068/evaluation-of-arch-forms-depending-on-the-angle-classification
#12
Farid Bourzgui, Asmaa Khribchi, Zineb Rachdy, Sami Housbane, Mohamed Bennani Othmani
: It is generally accepted that each individual has his or her own dental arch form. However, during orthodontic treatment, industrially preshaped archwires are widely used. The resulting use of the same arch form for all malocclusions may compromise occlusal stability after orthodontic treatment. AIM: To determine the average dental arch form of a non-consulting Moroccan population depending on the Angle classification, after digitization of plaster models of the dental arches...
November 17, 2016: International Orthodontics
https://www.readbyqxmd.com/read/27866913/minimally-invasive-plate-osteosynthesis-with-philos-plate-for-proximal-humerus-fractures
#13
Uğur Gönç, Mesut Atabek, Kürşat Teker, Altuğ Tanrıöver
OBJECTIVES: The aim of the present study was to evaluate results, including clinical and radiological outcomes and number of complications, following minimally invasive plate osteosynthesis (MIPO) of proximal humerus fractures, using the PHILOS® proximal humerus internal locking system (Synthes Holding AG, Solothurn, Switzerland). METHODS: Retrospectively evaluated were 31 patients treated with MIPO (12 male, 19 female; average age: 58.4 years). Four patients had 2-part fractures, 14 patients had 3-part fractures, and 13 patients had 4-part fractures, according to Neer classification...
November 18, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27864594/morphologic-classification-of-the-right-auricule-on-256-slice-computed-tomography
#14
Cai-Ying Li, Bu-Lang Gao, Tong Pan, Cheng Xiang, Xiao-Wei Liu, Hai-Qing Yang, Lan-Ying Yi, Qi-Bin Liao
PURPOSE: To investigate the shape of right auricule on 256-slice computed tomography (CT). MATERIALS AND METHODS: Five hundred people (250 men, age range 16-84 years) who had cardiac multidetector CT angiography were recruited in this study. All patients had normal sinus rhythm with normal blood pressure (<140/90 mmHg for systolic/diastolic pressure). The morphology of the right auricule was studied and compared after reconstruction of the raw images. RESULTS: All patients successfully had cardiac CT angiography (100%), and the right auricule morphology was divided into five types and nine subtypes, including Type I of triangular shape (Ia and Ib), Type II of M shape (IIa and IIb), Type III of L shape (IIIa and IIIb), Type IV of reverse L shape (IVa and IVb), and Type V of balanced shape...
November 18, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27862458/rapid-sample-classification-using-an-open-port-sampling-interface-coupled-with-liquid-introduction-atmospheric-pressure-ionization-mass-spectrometry
#15
Gary J Van Berkel, Vilmos Kertesz
RATIONALE: An "Open Access" - like mass spectrometric platform to fully utilize the simplicity of the manual open port sampling interface for rapid characterization of unprocessed samples by liquid introduction atmospheric pressure ionization mass spectrometry has been lacking. The in-house developed integrated software with a simple, small and relatively low-cost mass spectrometry system introduced here fills this void. METHODS: Software was developed to operate the mass spectrometer, to collect and process mass spectrometric data files, to build a database and to classify samples using such a database...
November 15, 2016: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/27852502/variability-of-surgical-site-infection-with-veptr-at-eight-centers-a%C3%A2-retrospective-cohort-analysis
#16
Sumeet Garg, Micaela Cyr, Tricia St Hilaire, Tara Flynn, Patrick Carry, Michael Glotzbecker, John T Smith, Jeffrey Sawyer, Joshua Pahys, Scott Luhmann, John M Flynn, Ron El-Hawary, Michael Vitale
STUDY DESIGN: Retrospective review. OBJECTIVES: To describe clinical characteristics and infection rates in modern vertical expandable prosthetic titanium rib (VEPTR) surgery. SUMMARY OF BACKGROUND DATA: Prior studies have demonstrated infection rates from 10% to 30% with VEPTR surgery. METHODS: A retrospective query was done on an institutional review board-approved, multicenter prospectively collected database for patients implanted with VEPTR from 2007 to 2013 at eight sites...
January 2016: Spine Deformity
https://www.readbyqxmd.com/read/27849244/influence-of-generalized-joint-hypermobility-on-temporomandibular-joint-and-dental-occlusion-a-cross-sectional-study
#17
Lais Chiodelli, Andrielle de Bitencourt Pacheco, Taiane Secretti Missau, Ana Maria Toniolo da Silva, Eliane Castilhos Rodrigues Corrêa
Purpose: To evaluate the dental occlusion and temporomandibular joint in women with and without generalized joint hypermobility. Methods: Generalized joint hypermobility was assessed by the Beighton score. Individuals were divided into two groups: with and without hypermobility. The Research Diagnostic Criteria for Temporomandibular Disorders was used to evaluate the temporomandibular joint. Dental occlusion was assessed according to Angle classification, overjet and overbite measures, presence of open bite or crossbite, pattern of disocclusion, and occlusal interference...
September 2016: CoDAS
https://www.readbyqxmd.com/read/27847853/assessment-of-coronal-radiographic-parameters-of-the-spine-in-the-treatment-of-adolescent-idiopathic-scoliosis
#18
Mohsen Karami, Arash Maleki, Keyvan Mazda
BACKGROUND: To determine the most important preoperative factors that affect postoperative coronal parameters of scoliotic curves. METHODS: All Adolescent Idiopathic Scoliosis (AIS) patients included in the study were classified according to Lenke and King Classification. The fusion levels were selected according to the rigidity of the existing curves (correction less than 50%), tilt of T1 and shoulders, sagittal angle of the curves and with considering stable and neutral end vertebra...
October 2016: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/27844230/coronal-balance-in-idiopathic-scoliosis-a-radiological-study-after-posterior-fusion-of-thoracolumbar-lumbar-curves-lenke-5-or-6
#19
Changwei Yang, Yunfei Zhao, Xiao Zhai, Jingfeng Li, Xiaodong Zhu, Ming Li
PURPOSE: To explore the compensation mechanisms of immediate postoperative coronal imbalance (CIB) and identify the correlation between preoperative lumbosacral obliquity and postoperative CIB in patients with Lenke 5/6 adolescent idiopathic scoliosis (AIS) during a 2-year follow-up period. METHODS: Medical records of patients with Lenke 5/6 AIS who were admitted in our hospital between Jan. 2008 and Jan. 2013 were reviewed retrospectively. General information of the patients including gender, age, and Risser classification was collected...
November 14, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27842571/medial-patellofemoral-ligament-reconstruction-using-a-bone-groove-and-a-suture-anchor-at-patellar-a-safe-and-firm-fixation-technique-and-3-year-follow-up-study
#20
Hong-De Wang, Jiang-Tao Dong, Shi-Jun Gao
BACKGROUND: Graft fixation is critical to the restoration of the medial patella of femoral ligament function and long-term success. Numerous fixations at the patella have been described, while the complications including patellar fractures, violation of the posterior patella and delay of tendon-to-bone healing remain significant challenges. Here, we describe a safe and firm fixation at the patellar for medial patellofemoral ligament (MPFL) reconstruction and explore the safety angle of drilling the suture anchor at different morphology of the patellar...
November 14, 2016: Journal of Orthopaedic Surgery and Research
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