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https://www.readbyqxmd.com/read/28541833/novel-hybrid-composite-discharge-electrode-for-electrostatic-precipitator
#1
M Ali, K Alam, Y T A Al-Majali, M Kennedy
Over the last few decades, electrostatic precipitators (ESP) have emerged as effective air pollution control devices for treating Coal-fired power plant exhausts. Among the components of the ESP, the discharge electrodes are extremely important in determining the collection efficiency of the ESP. Typically, in wet electrostatic precipitators, the discharge electrodes used must be made of corrosion resistant alloys, which makes them extremely expensive and heavy. Hybrid composite discharge electrodes have the potential to be lightweight and corrosion resistant substitute for traditional metal alloy electrodes used in wet electrostatic precipitators (WESP)...
May 25, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28541709/two-dimensional-holey-co3o4-nanosheets-for-high-rate-alkali-ion-batteries-from-rational-synthesis-to-in-situ-probing
#2
Dahong Chen, Lele Peng, Yifei Yuan, Yue Zhu, Zhiwei Fang, Chunshuang Yan, Gang Chen, Reza Shahbazian-Yassar, Jun Lu, Khalil Amine, Guihua Yu
A general template-directed strategy is developed for the controlled synthesis of two-dimensional (2D) Co3O4 nanosheets with unique holey architecture and tunable hole sizes that enable greatly improved alkali-ion storage properties (demonstrated for both Li and Na ion storage). The as-synthesized holey Co3O4 nanosheets with 10 nm holes exhibit excellent reversible capacities of 1324 mAh/g at 0.4 A/g and 566 mAh/g at 0.1 A/g, for Li and Na ion storage, respectively. The improved alkali-ion storage properties are attributed to the unique interconnected holey framework that enables efficient charge/mass transport as well as accommodates volume expansion...
May 25, 2017: Nano Letters
https://www.readbyqxmd.com/read/28537459/superior-ophthalmic-vein-thrombosis-with-complete-loss-of-vision-as-a-complication-of-autoimmune-and-infective-conditions
#3
Jelena Juri Mandić, Krešimir Mandić, Danijela Mrazovac
PURPOSE: To present our experience in the management of superior ophthalmic vein thrombosis (SOVT), which is a rare, but extremely serious condition if not recognized and managed promptly and appropriately. METHODS: Two patients with septic and aseptic SOVT are presented. Clinical characteristics, radiographic features, management techniques, and outcomes are described. RESULTS: In the first case thrombosis occurred as a complication of functional endoscopic sinus surgery...
May 24, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28535341/fully-stretchable-optoelectronic-sensors-based-on-colloidal-quantum-dots-for-sensing-photoplethysmographic-signals
#4
Tae-Ho Kim, Chang-Seok Lee, Sangwon Kim, Jaehyun Hur, Sangmin Lee, Keun Wook Shin, Young-Zoon Yoon, Moon Kee Choi, Jiwoong Yang, Dae-Hyeong Kim, Taeghwan Hyeon, Seongjun Park, Sungwoo Hwang
Flexible and stretchable optoelectronic devices can be potentially applied in displays, biosensors, biomedicine, robotics, and energy generation. The use of nanomaterials with superior optical properties such as quantum dots (QDs) is important in the realization of wearable displays and biomedical devices, but specific structural design as well as selection of materials should preferentially accompany this technology to realize stretchable forms of these devices. Here, we report stretchable optoelectronic sensors manufactured using colloidal QDs and integrated with elastomeric substrates, whose optoelectronic properties are stable under various deformations...
May 26, 2017: ACS Nano
https://www.readbyqxmd.com/read/28535069/monolithic-ingaas-nanowire-array-lasers-on-silicon-on-insulator-operating-at-room-temperature
#5
Hyunseok Kim, Wook-Jae Lee, Alan Cervantes Farrell, Juan S D Morales, Pradeep Nuwan Senanayake, Sergey V Prikhodko, Tomasz Ochalski, Diana L Huffaker
Chip-scale integrated light sources are a crucial component in a broad range of photonics applications. III-V semiconductor nanowire emitters have gained attention as a fascinating approach due to their superior material properties, extremely compact size, and the capability to grow directly on lattice-mismatched silicon substrates. Although there have been remarkable advances in nanowire-based emitters, their practical applications are still in the early stages due to the difficulties in integrating nanowire emitters with photonic integrated circuits...
May 23, 2017: Nano Letters
https://www.readbyqxmd.com/read/28530488/the-effect-of-angiojet-rheolytic-thrombectomy-in-the-endovascular-treatment-of-lower-extremity-deep-venous-thrombosis
#6
Mert Dumantepe, Ibrahim Uyar
Objective To evaluate the clinical safety and effectiveness of percutaneous rheolytic thrombectomy in patients with acute lower extremity deep venous thrombosis. Method Sixty-eight consecutive patients with acute massive lower extremity deep venous thrombosis were included in this retrospective study. A percutaneous rheolytic thrombectomy device (Angiojet ® Rheolytic thrombectomy catheter, Boston Scientific, Marlborough, MA, USA) was used in all patients in an angiography suite through ipsilateral popliteal vein access...
January 1, 2017: Phlebology
https://www.readbyqxmd.com/read/28521338/klebsiella-pneumoniae-a-major-worldwide-source-and-shuttle-for-antibiotic-resistance
#7
Shiri Navon-Venezia, Kira Kondratyeva, Alessandra Carattoli
Klebsiella pneumoniae is an important multidrug-resistant (MDR) pathogen affecting humans and a major source for hospital infections associated with high morbidity and mortality due to limited treatment options. We summarize the wide resistome of this pathogen, which encompasses plentiful chromosomal and plasmid-encoded antibiotic resistance genes (ARGs). Under antibiotic selective pressure, K. pneumoniae continuously accumulates ARGs, by de novo mutations, and via acquisition of plasmids and transferable genetic elements, leading to extremely drug resistant (XDR) strains harboring a 'super resistome'...
May 1, 2017: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/28516969/voluminous-laryngeal-schwannoma-excision-with-a-mini-invasive-external-approach-a-case-report
#8
M Tulli, S Bondi, M Bussi
Laryngeal schwannomas are extremely uncommon. We present a case of bulky supraglottic schwannoma with involvement of the preepiglottic and superior paraglottic spaces. Clinical findings, computed tomography and magnetic resonance images are presented. These characteristics are typical, however not specific to schwannomas. For definitive diagnosis, histology and immunohistochemistry are necessary. We present an external mini-invasive approach that allowed us to both obtain diagnosis and provide definitive treatment for this kind of voluminous laryngeal tumour...
June 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28507667/photoacoustic-probes-for-real-time-tracking-of-endogenous-h2s-in-living-mice
#9
Ben Shi, Xianfeng Gu, Qiang Fei, Chunchang Zhao
H2S is a key chemical mediator that exerts a vital role in diverse physiological and pathological processes. However, in vivo tracking of endogenous H2S generation still remains difficult due to the lack of reliable analytical methods. Herein, we present the first example of activatable photoacoustic probes for real-time imaging of H2S in living mice through the full utilization of the superiority of photoacoustic imaging modality at fine spatial resolution during deep tissue penetration. The designed probe can generate high NIR absorption at 780 nm in the presence of H2S, thus producing a strong photoacoustic signal output in the NIR region...
March 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28507354/the-bilobed-flap-a-better-option-for-soft-tissue-release-in-the-management-of-radial-club-hand
#10
Uzair Ahmed Qazi, Ishtiaq Ur Rehman Orakzai, Mamoon Rashid
OBJECTIVE: To establish that the bilobed flap as soft tissue release component for the radial club hand is superior to the z-plasty technique in type III and IV radial club hands. METHODS: This study was conducted at the Shifa International Hospital, Islamabad, Pakistan, from 2009 to 2015, and comprised patients with radial club hands operated by a single consultant plastic surgeon. Soft tissue release was performed at 08 months. The extremity was then casted for 08 weeks and kept in a long-arm cast for 3 to 6 months...
May 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28503806/distinctiveness-benefits-novelty-and-not-familiarity-but-only-up-to-a-limit-the-prior-knowledge-perspective
#11
Niv Reggev, Reut Sharoni, Anat Maril
Novelty is a pivotal player in cognition, and its contribution to superior memory performance is a widely accepted convention. On the other hand, mnemonic advantages for familiar information are also well documented. Here, we examine the role of experimental distinctiveness as a potential explanation for these apparently conflicting findings. Across two experiments, we demonstrate that conceptual novelty, an unfamiliar combination of familiar constituents, is sensitive to its experimental proportions: Improved memory for novelty was observed when novel stimuli were relatively rare...
May 15, 2017: Cognitive Science
https://www.readbyqxmd.com/read/28503142/brain-gray-matter-atrophy-after-spinal-cord-injury-a-voxel-based-morphometry-study
#12
Qian Chen, Weimin Zheng, Xin Chen, Lu Wan, Wen Qin, Zhigang Qi, Nan Chen, Kuncheng Li
The aim of this study was to explore possible changes in whole brain gray matter volume (GMV) after spinal cord injury (SCI) using voxel-based morphometry (VBM), and to study their associations with the injury duration, severity, and clinical variables. In total, 21 patients with SCI (10 with complete and 11 with incomplete SCI) and 21 age- and sex-matched healthy controls (HCs) were recruited. The 3D high-resolution T1-weighted structural images of all subjects were obtained using a 3.0 Tesla MRI system. Disease duration and American Spinal Injury Association (ASIA) Scale scores were also obtained from each patient...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28499583/histotype-tailored-neoadjuvant-chemotherapy-versus-standard-chemotherapy-in-patients-with-high-risk-soft-tissue-sarcomas-isg-sts-1001-an-international-open-label-randomised-controlled-phase-3-multicentre-trial
#13
Alessandro Gronchi, Stefano Ferrari, Vittorio Quagliuolo, Javier Martin Broto, Antonio Lopez Pousa, Giovanni Grignani, Umberto Basso, Jean-Yves Blay, Oscar Tendero, Robert Diaz Beveridge, Virginia Ferraresi, Iwona Lugowska, Domenico Franco Merlo, Valeria Fontana, Emanuela Marchesi, Davide Maria Donati, Elena Palassini, Emanuela Palmerini, Rita De Sanctis, Carlo Morosi, Silvia Stacchiotti, Silvia Bagué, Jean Michelle Coindre, Angelo Paolo Dei Tos, Piero Picci, Paolo Bruzzi, Paolo Giovanni Casali
BACKGROUND: Previous trials from our group suggested an overall survival benefit with five cycles of adjuvant full-dose epirubicin plus ifosfamide in localised high-risk soft-tissue sarcoma of the extremities or trunk wall, and no difference in overall survival benefit between three cycles versus five cycles of the same neoadjuvant regimen. We aimed to show the superiority of the neoadjuvant administration of histotype-tailored regimen to standard chemotherapy. METHODS: For this international, open-label, randomised, controlled, phase 3, multicentre trial, patients were enrolled from 32 hospitals in Italy, Spain, France, and Poland...
May 9, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28496297/semicontour-a-semi-supervised-learning-approach-for-contour-detection
#14
Zizhao Zhang, Fuyong Xing, Xiaoshuang Shi, Lin Yang
Supervised contour detection methods usually require many labeled training images to obtain satisfactory performance. However, a large set of annotated data might be unavailable or extremely labor intensive. In this paper, we investigate the usage of semi-supervised learning (SSL) to obtain competitive detection accuracy with very limited training data (three labeled images). Specifically, we propose a semi-supervised structured ensemble learning approach for contour detection built on structured random forests (SRF)...
June 2016: Proceedings
https://www.readbyqxmd.com/read/28492300/rational-design-and-construction-of-well-organized-macro-mesoporous-sio2-tio2-nanostructure-toward-robust-high-performance-self-cleaning-antireflective-thin-films
#15
Binbin Jin, Junhui He, Lin Yao, Yue Zhang, Jing Li
Antireflection (AR) thin films on optical substrates are of great significance in high-performance optoelectronic devices. Here, we present a rational design and construction of well-organized macro-mesoporous nanostructure toward robust high-performance self-cleaning antireflective thin films on the basis of effective medium theory and finite difference time domain (FDTD) simulations that combine the optical design principle. A hierarchical macro-mesoporous SiO2 thin film with very high porosity and gradient refractive indexes works as a λ/4-wavelength AR layer and significantly suppresses the reflection in the range from 350 to 1200 nm...
May 11, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28490947/preliminary-fabrication-and-characterization-of-electron-beam-melted-ti-6al-4v-customized-dental-implant
#16
Ravikumar Ramakrishnaiah, Abdulaziz Abdullah Al Kheraif, Ashfaq Mohammad, Darshan Devang Divakar, Sunil Babu Kotha, Sree Lalita Celur, Mohamed I Hashem, Pekka K Vallittu, Ihtesham Ur Rehman
The current study was aimed to fabricate customized root form dental implant using additive manufacturing technique for the replacement of missing teeth. The root form dental implant was designed using Geomagic™ and Magics™, the designed implant was directly manufactured by layering technique using ARCAM A2™ electron beam melting system by employing medical grade Ti-6Al-4V alloy powder. Furthermore, the fabricated implant was characterized in terms of certain clinically important parameters such as surface microstructure, surface topography, chemical purity and internal porosity...
May 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28487659/optimizing-immunostaining-of-enamel-matrix-application-of-sudan-black-b-and-minimization-of-false-positives-from-normal-sera-and-iggs
#17
Xu Yang, Alexander J Vidunas, Elia Beniash
Non-specific fluorescence from demineralized enamel matrix can significantly compromise the immunofluorescence studies and lead to false positives. Our goal was to assess degrees of non-specific binding under different conditions and try to optimize procedures for immunofluorescence studies of forming enamel. Firstly, we compared two methods for background fluorescence elimination, i.e., sodium borohydride and Sudan Black B treatments. The results demonstrated that Sudan Black B is far superior to sodium borohydride in reducing the background fluorescence in dental tissues...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28483654/validity-of-robot-based-assessments-of-upper-extremity-function
#18
Alison McKenzie, Lucy Dodakian, Jill See, Vu Le, Erin Burke Quinlan, Claire Bridgford, Daniel Head, Vy L Han, Steven C Cramer
OBJECTIVE: To examine the validity of 5 robot-based assessments of arm motor function post-stroke. DESIGN: Cross sectional. SETTING: Outpatient clinical research center. PARTICIPANTS: Volunteer sample of 40 participants, age >18 years, 3-6 months post-stroke, with arm motor deficits that had plateaued. INTERVENTION: None. MAIN OUTCOME MEASURES: Clinical standards included the Fugl-Meyer Arm Motor Scale (FMA), and 5 secondary motor outcomes: hand/wrist subsection of the FMA; Action Research Arm Test (ART); Box & Blocks test (B/B); hand subscale of Stroke Impact Scale-2 (SIS); and the Barthel Index (BI)...
May 5, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28481509/bioinspired-smart-coating-with-superior-tribological-performance
#19
Shuangjian Li, Yulong An, Xiaoqin Zhao, Huidi Zhou, Jianmin Chen, Guoliang Hou
Inspired by the structure of cancellous bone and the nutrition metabolism of articular cartilage, we present a novel concept for a synthetic articular-cartilage-like material. The bioinspired material possesses a low coefficient of friction even under ultrahigh loads and has an extremely long lifetime. Furthermore, the composite shows zero-wear behavior and causes negligible wear damage to the friction pair. The superior tribological performance is attributed to the spontaneously generated articular-cartilage-like layer, which is constantly replenished by frictional heat and pressure...
May 10, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28479461/superior-lower-extremity-vein-graft-bypass-patency-among-married-patients-with-peripheral-arterial-disease
#20
Emily Lagergren, Kelly Kempe, Timothy E Craven, Susan T Kornegay, Justin B Hurie, Nitin Garg, Gabriela Velazquez Ramirez, Matthew S Edwards, Matthew A Corriere
INTRODUCTION: Outcomes disparities associated with lower extremity bypass (LEB) for peripheral arterial disease (PAD) have been identified but are poorly understood. Marital status may affect outcomes through factors related to health risk behaviors, adherence, and access to care but has not been characterized as a predictor of surgical outcomes and is often omitted from administrative datasets. We evaluated associations between marital status and vein graft patency following LEB using multivariable models adjusting for established risk factors...
May 4, 2017: Annals of Vascular Surgery
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