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https://www.readbyqxmd.com/read/29932450/direct-imaging-and-manipulation-of-ionic-diffusion-in-mixed-electronic-ionic-conductors
#1
J Op de Beeck, N Labyedh, A Sepúlveda, V Spampinato, A Franquet, T Conard, P M Vereecken, U Celano
Next generation Li-ion batteries require improved energy densities, power output and safety to satisfy the demands of emerging technologies. All solid state 3D thin-film batteries (ASB) based on nanoionics are considered as frontrunners to enable all this. In order to facilitate the introduction of this new architecture, a homogeneous electrochemical activity and a high ionic diffusivity of the electrodes is key. However, nanometer-resolved techniques to probe structural, electrical and electrochemical properties of the battery components are still limited...
June 22, 2018: Nanoscale
https://www.readbyqxmd.com/read/29932259/porcine-endothelial-grafts-could-survive-for-a-long-term-without-using-systemic-immunosuppressors-an-investigation-of-feasibility-and-efficacy-of-xeno-descemet-s-stripping-automated-endothelial-keratoplasty-from-wzs-pig-to-rhesus-monkey
#2
Yang Liu, YingNan Zhang, Qingfeng Liang, Chao Yan, Li Wang, Jing Zhang, ZhiQiang Pan
BACKGROUND: In current non-human primate models, full-thickness porcine grafts could not achieve long-term survival without using potent systemic immunosuppressors. Moreover, the thickness disparity in xeno-PKP proved to be hard to manipulate and may cause several complications which also could prevent the grafts from long survival. Considering the advantages of Descemet's stripping automated endothelial keratoplasty (DSAEK) derived from its ultrathin graft and lower rejection rate, we hypothesize xeno-DSAEK may overcome these imperfections in xeno-PKP...
June 22, 2018: Xenotransplantation
https://www.readbyqxmd.com/read/29929894/pulmonary-artery-catheter-placement-aided-by-transesophageal-echocardiography-versus-pressure-waveform-transduction
#3
Brett Cronin, Nikolai Kolotiniuk, Kevin Youssefzadeh, Beverly Newhouse, Ulrich Schmidt, E Orestes O'Brien, Timothy Maus
OBJECTIVE: To compare pulmonary artery catheter (PAC) placement by transesophageal echocardiography combined with pressure waveform transduction versus the traditional technique of pressure waveform transduction alone. DESIGN: A prospective, randomized trial. SETTING: Single university hospital. PARTICIPANTS: Forty-eight patients with chronic thromboembolic pulmonary hypertension (CTEPH) scheduled for pulmonary thromboendarterectomy...
June 18, 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29929585/the-digital-patient-imaging-science-in-dentistry
#4
Bart Vandenberghe
Dental imaging has seen a rapid technological advance over the last several years. Not only has most x-ray based diagnostic technology been digitized, with the possibility of low dose 3D computed tomography imaging, but many novel optical imaging techniques have now also been adopted in a more therapeutic imaging of the dental patient. When combining and manipulating such different digital image data, clinicians can now easily plan and simulate treatments on-screen, use 3D printed models and aids to assist in accurate transfer of the virtual planning or even follow-up their treatments over time...
July 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29927828/the-u-shaped-maxillary-osteotomy-a-novel-resource-for-the-treatment-of-the-middle-third-facial-hypoplasia
#5
Héctor O Malagón, Fernan-Alejandra Ayala-Ugalde, Eugenio García-Cano, Jorge-Eduardo Chang-Contreras
The purpose of orthognathic surgery procedures is to manipulate the elements of the facial skeleton to reestablish normal anatomy and function. These elements could be repositioned with the technique known as Le Fort I osteotomy. This technique can be modified to be adapted on each patient, depending on the anomaly presented and the planned objective. The versatility, offered by the modifications of the Le Fort I osteotomy, has taken us to design one that allows the capability to correct the malar region hypoplasia in the same surgical procedure...
June 20, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29925970/heterointerface-effects-in-the-electrointercalation-of-van-der-waals-heterostructures
#6
D Kwabena Bediako, Mehdi Rezaee, Hyobin Yoo, Daniel T Larson, S Y Frank Zhao, Takashi Taniguchi, Kenji Watanabe, Tina L Brower-Thomas, Efthimios Kaxiras, Philip Kim
Molecular-scale manipulation of electronic and ionic charge accumulation in materials is the backbone of electrochemical energy storage1-4 . Layered van der Waals (vdW) crystals are a diverse family of materials into which mobile ions can electrochemically intercalate into the interlamellar gaps of the host atomic lattice5,6 . The structural diversity of such materials enables the interfacial properties of composites to be optimized to improve ion intercalation for energy storage and electronic devices7-12 ...
June 2018: Nature
https://www.readbyqxmd.com/read/29924783/-remote-results-of-eversion-carotid-endarterectomy-depending-on-the-suture-material-used
#7
D F Beloiartsev, O L Talybly
BACKGROUND: It is known that namely long-term presence of suture material as the only foreign body in autologous conditions may lead to restenosis in the remote period. Such hypothesis was put forward based on good results of reconstructive cardiovascular operations in case of using absorbable suture material. OBJECTIVE: Our study was aimed at comparative analysis of remote results of using absorbable suture material polydioxanone and non-absorbable suture material polypropylene in eversion carotid endarterectomy...
2018: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29924621/large-voltage-tuning-of-dzyaloshinskii-moriya-interaction-a-route-towards-dynamic-control-of-skyrmion-chirality
#8
Titiksha Srivastava, Marine Schott, Roméo Juge, Viola Krizakova, M Belmeguenai, Yves Roussigné, Anne Bernand-Mantel, Laurent Ranno, Stéfania Pizzini, Salim-Mourad Cherif, Andrei Stashkevich, Stéphane Auffret, Olivier Boulle, Gilles Gaudin, Mairbek Chshiev, Claire Baraduc, Hélène Béa
Electric field control of interfacial magnetism promises low power consuming and versatile spintronic devices. More specifically, in ultra thin heavy metal/ferromagnet/insulator heterostructures, voltage gating has been shown to locally and dynamically tune properties like perpendicular magnetic anisotropy and saturation magnetization. However its effect on the nowadays widely explored antisymmetric exchange property called interfacial Dzyaloshinskii-Moriya Interaction (DMI) has not been addressed yet. This DMI plays a fundamental role in stabilizing magnetic textures known as skyrmions envisaged for memory and logic based spintronic devices...
June 20, 2018: Nano Letters
https://www.readbyqxmd.com/read/29922956/toward-semi-autonomous-cryoablation-of-kidney-tumors-via-model-independent-deformable-tissue-manipulation-technique
#9
Farshid Alambeigi, Zerui Wang, Yun-Hui Liu, Russell H Taylor, Mehran Armand
We present a novel semi-autonomous clinician-in-the-loop strategy to perform the laparoscopic cryoablation of small kidney tumors. To this end, we introduce a model-independent bimanual tissue manipulation technique. In this method, instead of controlling the robot, which inserts and steers the needle in the deformable tissue (DT), the cryoprobe is introduced to the tissue after accurate manipulation of a target point on the DT to the desired predefined insertion location of the probe. This technique can potentially reduce the risk of kidney fracture, which occurs due to the incorrect insertion of the probe within the kidney...
June 19, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29922575/single-session-real-time-fmri-neurofeedback-has-a-lasting-impact-on-cognitive-behavioral-therapy-strategies
#10
Katherine E MacDuffie, Jeff MacInnes, Kathryn C Dickerson, Kari M Eddington, Timothy J Strauman, R Alison Adcock
To benefit from cognitive behavioral therapy (CBT), individuals must not only learn new skills but also strategically implement them outside of session. Here, we tested a novel technique for personalizing CBT skills and facilitating their generalization to daily life. We hypothesized that showing participants the impact of specific CBT strategies on their own brain function using real-time functional magnetic imaging (rt-fMRI) neurofeedback would increase their metacognitive awareness, help them identify effective strategies, and motivate real-world use...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29922488/enrichment-and-immobilization-of-macromolecular-analytes-on-a-porous-membrane-utilizing-permeation-drag
#11
Pedram Madadkar, Rahul Sadavarte, Raja Ghosh
Enrichment and immobilization of analytes by chemical bonding or physical adsorption is typically the first step in many commonly used analytical techniques. In this paper, we discuss a permeation drag based technique as an alternative approach for carrying out location-specific immobilization of macromolecular analytes. Fluorescein isothiocyanate (FITC) labeled macromolecules and their complexes were enriched near the surface of ultrafiltration membranes and detected by direct visual observation and fluorescence imaging...
June 2018: Journal of Pharmaceutical Analysis
https://www.readbyqxmd.com/read/29915127/towards-a-complex-systems-approach-in-sports-injury-research-simulating-running-related-injury-development-with-agent-based-modelling
#12
REVIEW
Adam Hulme, Jason Thompson, Rasmus Oestergaard Nielsen, Gemma J M Read, Paul M Salmon
OBJECTIVES: There have been recent calls for the application of the complex systems approach in sports injury research. However, beyond theoretical description and static models of complexity, little progress has been made towards formalising this approach in way that is practical to sports injury scientists and clinicians. Therefore, our objective was to use a computational modelling method and develop a dynamic simulation in sports injury research. METHODS: Agent-based modelling (ABM) was used to model the occurrence of sports injury in a synthetic athlete population...
June 18, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29915084/atomic-scale-strain-manipulation-of-a-charge-density-wave
#13
Shang Gao, Felix Flicker, Raman Sankar, He Zhao, Zheng Ren, Bryan Rachmilowitz, Sidhika Balachandar, Fangcheng Chou, Kenneth S Burch, Ziqiang Wang, Jasper van Wezel, Ilija Zeljkovic
A charge density wave (CDW) is one of the fundamental instabilities of the Fermi surface occurring in a wide range of quantum materials. In dimensions higher than one, where Fermi surface nesting can play only a limited role, the selection of the particular wavevector and geometry of an emerging CDW should in principle be susceptible to controllable manipulation. In this work, we implement a simple method for straining materials compatible with low-temperature scanning tunneling microscopy/spectroscopy (STM/S), and use it to strain-engineer CDWs in 2H -NbSe2 Our STM/S measurements, combined with theory, reveal how small strain-induced changes in the electronic band structure and phonon dispersion lead to dramatic changes in the CDW ordering wavevector and geometry...
June 18, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29912732/a-novel-biportal-full-endoscopy-technique-for-lumbar-lateral-recess-stenosis-technical-report
#14
Xinchun Liu
Full endoscopy spine surgery is one of the minimally invasive procedures for lumbar spine disease and is especially popular in East Asia. As for the interlaminar approach, lumbar recess stenosis can be manipulated through a uniportal bigger diameter working channel spinal endoscope or a smaller one, or a biportal arthroscope. Each kind of procedure has its advantages and shortcomings. Here, a novel experience in biportal interlaminar approach for lumbar recess stenosis is presented. A smaller uniportal spinal endoscope is adopted for biportal procedures rather than the arthroscope...
June 15, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29912306/prevalence-and-prevention-of-oesophageal-injury-during-atrial-fibrillation-ablation-a-systematic-review-and-meta-analysis
#15
Francis J Ha, Hui-Chen Han, Prashanthan Sanders, Andrew W Teh, David O'Donnell, Omar Farouque, Han S Lim
Aims: Atrio-oesophageal fistula (AOF) is a potentially lethal complication of atrial fibrillation (AF) ablation. Many studies have evaluated the presence and prevention of endoscopically-detected oesophageal lesions (EDOL) as a proxy measure for risk of AOF. This systematic review and meta-analysis sought to determine the prevalence of EDOL and effectiveness of general preventive measures during AF ablation. Methods and results: We searched electronic databases for studies reporting prevalence or prevention of EDOL post-AF ablation...
June 14, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29912206/three-dimensional-organotypic-cultures-of-vestibular-and-auditory-sensory-organs
#16
Ksenia Gnedeva, A J Hudspeth, Neil Segil
The sensory organs of the inner ear are challenging to study in mammals due to their inaccessibility to experimental manipulation and optical observation. Moreover, although existing culture techniques allow biochemical perturbations, these methods do not provide a means to study the effects of mechanical force and tissue stiffness during development of the inner ear sensory organs. Here we describe a method for three-dimensional organotypic culture of the intact murine utricle and cochlea that overcomes these limitations...
June 1, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29911142/ilizarov-stump-lenthening-can-aggravate-phantom-limb-pain-a-case-report
#17
Konstantin Igorevich Novikov, Koushik Narayan Subramanyam, Sergey V Kolesnikov, Oleg K Chegurov, Elina S Kolesnikova, Abhishek V Mundargi
Ilizarov is an accepted technique for lengthening short amputation stumps to improve prosthetic function and rehabilitation. The relation of stump lengthening and phantom limb pain (PLP) has not been reported in literature. We present here a case report of a transfemoral amputee who had a flare up of PLP following stump lengthening. He responded well to a combination of pharmacological therapy and soft tissue manipulative techniques and desired length was achieved. This report alerts the possibility of aggravation of PLP following stump lengthening and discusses its management...
May 2018: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29909731/performance-of-a-multifunctional-robot-for-natural-orifice-transluminal-endoscopic-surgery
#18
Tao Shen, Dietric Hennings, Carl A Nelson, Dmitry Oleynikov
Natural orifice transluminal endoscopic surgery (NOTES) has gained attention as a revolutionary technique with its potential advantages in eliminating skin incisions, shortening recovery time, and decreasing postoperative complications; however, its practical application is still constrained by the complexity of navigation through the surgical field and paucity of available instruments. Current progress on NOTES focuses on designing flexible articulated robots or fully inserted bimanual robots to address the limitations...
June 1, 2018: Surgical Innovation
https://www.readbyqxmd.com/read/29908396/potential-for-u-sequestration-with-select-minerals-and-sediments-via-base-treatment
#19
Hilary P Emerson, Silvina Di Pietro, Yelena Katsenovich, Jim Szecsody
Temporary base treatment is a potential remediation technique for heavy metals through adsorption, precipitation, and co-precipitation with minerals. Manipulation of pH with ammonia gas injection may be especially useful for vadose zone environments as it does not require addition of liquids that would increase the flux towards groundwater. In this research, we conducted laboratory batch experiments to evaluate the changes in uranium mobility and mineral dissolution with base treatments including sodium hydroxide, ammonium hydroxide, and ammonia gas...
June 13, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29908340/ureterolysis-for-laparoscopic-hysterectomy
#20
Haider Jan, Vishalli Ghai
STUDY OBJECTIVE: To demonstrate techniques of ureterolysis during complex laparoscopic hysterectomy. DESIGN: Technical video demonstrating different approaches to ureterolysis for complex benign pathology during laparoscopic hysterectomy. (Canadian Task force classification level III) SETTING: Benign gynaecology department at a University Hospital. INTERVENTION: We perform ureterolysis during laparoscopic hysterectomy for benign pathology...
June 13, 2018: Journal of Minimally Invasive Gynecology
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