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https://www.readbyqxmd.com/read/28548093/all-pure-bipartite-entangled-states-can-be-self-tested
#1
Andrea Coladangelo, Koon Tong Goh, Valerio Scarani
Quantum technologies promise advantages over their classical counterparts in the fields of computation, security and sensing. It is thus desirable that classical users are able to obtain guarantees on quantum devices, even without any knowledge of their inner workings. That such classical certification is possible at all is remarkable: it is a consequence of the violation of Bell inequalities by entangled quantum systems. Device-independent self-testing refers to the most complete such certification: it enables a classical user to uniquely identify the quantum state shared by uncharacterized devices by simply inspecting the correlations of measurement outcomes...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28545151/provenance-based-data-integrity-checking-and-verification-in-cloud-environments
#2
Muhammad Imran, Helmut Hlavacs, Inam Ul Haq, Bilal Jan, Fakhri Alam Khan, Awais Ahmad
Cloud computing is a recent tendency in IT that moves computing and data away from desktop and hand-held devices into large scale processing hubs and data centers respectively. It has been proposed as an effective solution for data outsourcing and on demand computing to control the rising cost of IT setups and management in enterprises. However, with Cloud platforms user's data is moved into remotely located storages such that users lose control over their data. This unique feature of the Cloud is facing many security and privacy challenges which need to be clearly understood and resolved...
2017: PloS One
https://www.readbyqxmd.com/read/28538233/enewborn-the-information-technology-revolution-and-challenges-for-neonatal-networks
#3
Dominique Haumont, Cuong NguyenBa, Neena Modi
Among preterm infants, 1-2% are born before 32 weeks of gestation or have a birth weight below 1,500 g. They contribute disproportionately to the burden of mortality and morbidity related to preterm birth, whether in the neonatal period or later in life. They are the target population studied in neonatal networks. Improving neonatal care and later outcome is a major issue in public health. Neonatologists, health care providers, public authorities, parents and families, industry, and all organizations dedicated to infant health must bring their efforts together and dedicate their actions in order to do so...
2017: Neonatology
https://www.readbyqxmd.com/read/28533451/animal-coloration-research-why-it-matters
#4
Tim Caro, Mary Caswell Stoddard, Devi Stuart-Fox
While basic research on animal coloration is the theme of this special edition, here we highlight its applied significance for industry, innovation and society. Both the nanophotonic structures producing stunning optical effects and the colour perception mechanisms in animals are extremely diverse, having been honed over millions of years of evolution for many different purposes. Consequently, there is a wealth of opportunity for biomimetic and bioinspired applications of animal coloration research, spanning colour production, perception and function...
July 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28531141/eyes-of-things
#5
Oscar Deniz, Noelia Vallez, Jose L Espinosa-Aranda, Jose M Rico-Saavedra, Javier Parra-Patino, Gloria Bueno, David Moloney, Alireza Dehghani, Aubrey Dunne, Alain Pagani, Stephan Krauss, Ruben Reiser, Martin Waeny, Matteo Sorci, Tim Llewellynn, Christian Fedorczak, Thierry Larmoire, Marco Herbst, Andre Seirafi, Kasra Seirafi
Embedded systems control and monitor a great deal of our reality. While some "classic" features are intrinsically necessary, such as low power consumption, rugged operating ranges, fast response and low cost, these systems have evolved in the last few years to emphasize connectivity functions, thus contributing to the Internet of Things paradigm. A myriad of sensing/computing devices are being attached to everyday objects, each able to send and receive data and to act as a unique node in the Internet. Apart from the obvious necessity to process at least some data at the edge (to increase security and reduce power consumption and latency), a major breakthrough will arguably come when such devices are endowed with some level of autonomous "intelligence"...
May 21, 2017: Sensors
https://www.readbyqxmd.com/read/28527966/suture-dehiscence-in-the-tricuspid-annulus-an-ex%C3%A2-vivo-analysis-of-tissue-strength-and-composition
#6
Deborah M Paul, Ajay Naran, Eric L Pierce, Charles H Bloodworth, Steven F Bolling, Ajit P Yoganathan
BACKGROUND: Surgical repair of functional tricuspid regurgitation (FTR) is an increasingly common practice, but annuloplasty suture dehiscence remains a significant problem. Quantitative and mechanistic understanding of annular suture holding strength can support more effective techniques for tricuspid valve device anchoring. METHODS: Suture holding strength of ovine tricuspid annuli (n = 15) was quantified ex vivo by pullout testing at 12 positions around their circumference...
May 17, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28527732/descriptive-study-of-the-frequency-of-medical-adhesive-related-skin-injuries-in-a-vascular-clinic
#7
Catherine R Ratliff
A medical adhesive can be defined as a product used to secure a device (ie, tape, dressing, catheter, electrode, and ostomy pouch) to the skin. Skin injury related to medical adhesive usage occurs across all care settings with medical adhesive-related skin injuries (MARSIs) playing a significant role with patient safety. The purpose of this descriptive prospective study was to assess all adult patients with wounds seen in the vascular clinic for MARSI by the CWOCN NP over a 3-month time period. One hundred twenty patients comprising a total of 207 visits were seen by the CWOCN NP over the 3-month time frame...
June 2017: Journal of Vascular Nursing: Official Publication of the Society for Peripheral Vascular Nursing
https://www.readbyqxmd.com/read/28516906/nanometric-holograms-based-on-a-topological-insulator-material
#8
Zengji Yue, Gaolei Xue, Juan Liu, Yongtian Wang, Min Gu
Holography has extremely extensive applications in conventional optical instruments spanning optical microscopy and imaging, three-dimensional displays and metrology. To integrate holography with modern low-dimensional electronic devices, holograms need to be thinned to a nanometric scale. However, to keep a pronounced phase shift modulation, the thickness of holograms has been generally limited to the optical wavelength scale, which hinders their integration with ultrathin electronic devices. Here, we break this limit and achieve 60 nm holograms using a topological insulator material...
May 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28512774/cybersecurity-and-medical-devices-a-practical-guide-for-cardiac-electrophysiologists
#9
REVIEW
Benjamin Ransford, Daniel B Kramer, Denis Foo Kune, Julio Auto de Medeiros, Chen Yan, Wenyuan Xu, Thomas Crawford, Kevin Fu
Medical devices increasingly depend on software. While this expands the ability of devices to perform key therapeutic and diagnostic functions, reliance on software inevitably causes exposure to hazards of security vulnerabilities. This article uses a recent high-profile case example to outline a proactive approach to security awareness that incorporates a scientific, risk-based analysis of security concerns that supports ongoing discussions with patients about their medical devices. This article is protected by copyright...
May 17, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28512308/quantum-key-distribution-with-hacking-countermeasures-and-long-term-field-trial
#10
A R Dixon, J F Dynes, M Lucamarini, B Fröhlich, A W Sharpe, A Plews, W Tam, Z L Yuan, Y Tanizawa, H Sato, S Kawamura, M Fujiwara, M Sasaki, A J Shields
Quantum key distribution's (QKD's) central and unique claim is information theoretic security. However there is an increasing understanding that the security of a QKD system relies not only on theoretical security proofs, but also on how closely the physical system matches the theoretical models and prevents attacks due to discrepancies. These side channel or hacking attacks exploit physical devices which do not necessarily behave precisely as the theory expects. As such there is a need for QKD systems to be demonstrated to provide security both in the theoretical and physical implementation...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28511807/does-the-novel-lateral-trauma-position-cause-more-motion-in-an-unstable-cervical-spine-injury-than-the-logroll-maneuver
#11
Per Kristian Hyldmo, MaryBeth Horodyski, Bryan P Conrad, Sindre Aslaksen, Jo Røislien, Mark Prasarn, Glenn R Rechtine, Eldar Søreide
OBJECTIVE: Prehospital personnel who lack advanced airway management training must rely on basic techniques when transporting unconscious trauma patients. The supine position is associated with a loss of airway patency when compared to lateral recumbent positions. Thus, an inherent conflict exists between securing an open airway using the recovery position and maintaining spinal immobilization in the supine position. The lateral trauma position is a novel technique that aims to combine airway management with spinal precautions...
May 8, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28511689/harnessing-interactive-technologies-to-improve-health-outcomes-in-juvenile-idiopathic-arthritis
#12
REVIEW
Andrea Coda, Dean Sculley, Derek Santos, Xavier Girones, Lucie Brosseau, Derek R Smith, Joshua Burns, Keith Rome, Jane Munro, Davinder Singh-Grewal
BACKGROUND: Children and adolescents with Juvenile Idiopathic Arthritis (JIA) typically have reduced physical activity level and impaired aerobic and anaerobic exercise capacity when compared to their non-JIA counterparts. Low intensity exercise regimens appear to be safe in children with JIA and may results in improvements in overall physical function. Poor adherence to paediatric rheumatology treatment may lead to negative clinical outcomes and possibly increased disease activity. This includes symptoms such as pain, fatigue, quality of life, longer term outcomes including joint damage, as well as increase of healthcare associated costs...
May 16, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28511483/a-study-of-morbidity-and-cost-of-peripheral-venous-cannulation-in-neonates-admitted-to-paediatric-surgical-intensive-care-unit
#13
Sushama Raghunath Tandale, Nandini Dave, Madhu Garasia, Shalil Patil, Sandesh Parelkar
INTRODUCTION: Peripheral venous access in sick neonates is indicated for administration of fluids, drugs or nutrients. AIM: We conducted an audit of peripheral venous access in neonates admitted to paediatric surgical intensive care unit to study the morbidity, time spent on cannulation and cost with its use. MATERIALS AND METHODS: One hundred consecutive neonates requiring hospital admission to paediatric surgical intensive care unit in a period of one year were included in the study...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28508862/nanogenerator-based-dual-functional-and-self-powered-thin-patch-loudspeaker-or-microphone-for-flexible-electronics
#14
Wei Li, David Torres, Ramón Díaz, Zhengjun Wang, Changsheng Wu, Chuan Wang, Zhong Lin Wang, Nelson Sepúlveda
Ferroelectret nanogenerators were recently introduced as a promising alternative technology for harvesting kinetic energy. Here we report the device's intrinsic properties that allow for the bidirectional conversion of energy between electrical and mechanical domains; thus extending its potential use in wearable electronics beyond the power generation realm. This electromechanical coupling, combined with their flexibility and thin film-like form, bestows dual-functional transducing capabilities to the device that are used in this work to demonstrate its use as a thin, wearable and self-powered loudspeaker or microphone patch...
May 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28507610/improving-patient-safety-in-hospitals-through-usage-of-cloud-supported-video-surveillance
#15
Predrag Dašić, Jovan Dašić, Bojan Crvenković
BACKGROUND: Patient safety in hospitals is of equal importance as providing treatments and urgent healthcare. With the development of Cloud technologies and Big Data analytics, it is possible to employ VSaaS technology virtually anywhere, for any given security purpose. AIM: For the listed benefits, in this paper, we give an overview of the existing cloud surveillance technologies which can be implemented for improving patient safety. MATERIAL AND METHODS: Modern VSaaS systems provide higher elasticity and project scalability in dealing with real-time information processing...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28502428/non-proximate-mass-spectrometry-using-a-heated-1-m-long-ptfe-tube-and-an-air-tight-apci-ion-source
#16
Dilshadbek T Usmanov, Kenzo Hiraoka, Hiroshi Wada, Masaya Matsumura, Sachiyo Sanada-Morimura, Hiroshi Nonami, Shinichi Yamabe
Direct and rapid trace-level gas analysis is highly needed in various fields such as safety and security, quality control, food analysis, and forensic medicine. In many cases, the real samples are bulky and are not accessible to the space-limited ion source of the mass spectrometer. In order to circumvent this problem, we developed an airtight atmospheric-pressure chemical ionization (APCI) ion source equipped with a flexible 1-m-long, 2-mm-i.d. PTFE sniffing tube. The ambient air bearing sample gas was sucked into the heated PTFE tube (130 °C) and was transported to the air-tight ion source without using any extra pumping system or a Venturi device...
June 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28502400/bags-batteries-and-boxes-a-qualitative-interview-study-to-understand-how-syringe-drivers-are-adapted-and-used-by-healthcare-staff
#17
Christopher James Vincent, Ann Blandford
Syringe drivers are medical devices that are critical for end of life care. They deliver continuous medication over extended periods of time. Their design contributes to the quality of experience for both patients and healthcare professionals. Little research has been published about the factors that influence the usability of this type of equipment for frontline users (i.e. those in direct contact with patients) and how equipment gets introduced. Understanding how syringe drivers are used in practice can help improve the design of equipment...
September 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28499015/mri-exposimetry-how-to-analyze-compare-and-represent-worker-exposure-to-static-magnetic-field
#18
Antoine Delmas, Nicolas Weber, Joris Piffre, Cédric Pasquier, Jacques Felblinger, Pierre-André Vuissoz
Worker exposure to electromagnetic fields (EMF) is a growing concern of international commissions. A European directive from 2013 (2013/35/EU) recommend to estimate or measure EMF exposure of all exposed workers. Magnetic resonance imaging (MRI) workers are specially concerned by this point because they work all day long in the vicinity of a very strong magnet (generally 1.5 or 3 T), which cannot be turned off. Setting up a magnetic field monitoring device on these workers would therefore be a good way to ensure their security...
May 12, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28492354/experimental-evaluation-of-the-optimal-suture-pattern-with-a-flexible-endoscopic-suturing-system
#19
Peter Halvax, Michele Diana, Yoshihiro Nagao, Jacques Marescaux, Lee Swanström
BACKGROUND: The ability to perform reliable, secure endoluminal closure of the gastrointestinal tract wall, is a prerequisite to support the progress of the emerging field of endoluminal surgery. Along with advanced clipping systems, flexible endoscopic suturing devices are commercially available. Current systems can replicate traditional surgical suturing patterns in the endoluminal environment. The aim of this study was to evaluate the optimal endoluminal suturing technique using a flexible endoscopic suturing device...
June 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28490728/bright-nanoscale-source-of-deterministic-entangled-photon%C3%A2-pairs-violating-bell-s-inequality
#20
Klaus D Jöns, Lucas Schweickert, Marijn A M Versteegh, Dan Dalacu, Philip J Poole, Angelo Gulinatti, Andrea Giudice, Val Zwiller, Michael E Reimer
Global, secure quantum channels will require efficient distribution of entangled photons. Long distance, low-loss interconnects can only be realized using photons as quantum information carriers. However, a quantum light source combining both high qubit fidelity and on-demand bright emission has proven elusive. Here, we show a bright photonic nanostructure generating polarization-entangled photon pairs that strongly violates Bell's inequality. A highly symmetric InAsP quantum dot generating entangled photons is encapsulated in a tapered nanowire waveguide to ensure directional emission and efficient light extraction...
May 10, 2017: Scientific Reports
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