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https://www.readbyqxmd.com/read/28650836/deep-art-neural-model-for-biologically-inspired-episodic-memory-and-its-application-to-task-performance-of-robots
#1
Gyeong-Moon Park, Yong-Ho Yoo, Deok-Hwa Kim, Jong-Hwan Kim
Robots are expected to perform smart services and to undertake various troublesome or difficult tasks in the place of humans. Since these human-scale tasks consist of a temporal sequence of events, robots need episodic memory to store and retrieve the sequences to perform the tasks autonomously in similar situations. As episodic memory, in this paper we propose a novel Deep adaptive resonance theory (ART) neural model and apply it to the task performance of the humanoid robot, Mybot, developed in the Robot Intelligence Technology Laboratory at KAIST...
June 26, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28650162/lamellar-liquid-crystalline-system-with-tunable-iridescent-color-by-ionic-surfactants
#2
Zhenhua Cong, Bowen Lin, Weiqing Li, Jian Niu, Feng Yan
Liquid crystals formed by the self-assembly of small molecules are very promising smart materials because of their unique properties, such as self-assembled multivalency, biocompatibility, and fast response to external stimuli. Here we report an iridescent liquid crystal system composed of water layers sandwiched by two bilayer membranes that consist of a self-assembled nonionic surfactant hexadecylglyceryl maleate (HGM) and a tiny amount of ionic surfactants. It is found the iridescent color of the liquid crystal system changes greatly with a trace of change of the ionic surfactants' concentration...
June 26, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28649957/the-effect-of-self-depleting-in-uv-photodetector-based-on-simultaneously-fabricated-tio2-nio-pn-heterojunction-and-ni-au-composite-electrode
#3
Dezhong Zhang, Chunyu Liu, Ruiliang Xu, Bo Yin, Yu Chen, Xindong Zhang, Fengli Gao, Shengping Ruan
A novel dark self-depleting ultraviolet (UV) photodetector basing on the TiO2/NiO pn heterojunction was demonstrated with lower dark current (Idark) and noise. The NiO layer and Ni/Au composite electrode were fabricated by the smart one-step oxidation method, which was firstly employed in the fabrication of UV photodetector. In dark, the depleted pn heterojunction structure could effectively reduce the majority carrier density in TiO2/NiO films, demonstrating high resistance state, which contributed to the lower Idark of 0...
June 26, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28649845/multifunctional-nanostructured-conductive-polymer-gels-synthesis-properties-and-applications
#4
Fei Zhao, Ye Shi, Lijia Pan, Guihua Yu
Conductive polymers have attracted significant interest over the past few decades because they synergize the advantageous features of conventional polymeric materials and organic conductors. With rationally designed nanostructures, conductive polymers can further exhibit exceptional mechanical, electrical, and optical properties because of their confined dimensions at the nanoscale level. Among various nanostructured conductive polymers, conductive polymer gels (CPGs) with synthetically tunable hierarchical 3D network structures show great potential for a wide range of applications, such as bioelectronics, and energy storage/conversion devices owing to their structural features...
June 26, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28647792/regeneration-of-hyaline-cartilage-promoted-by-xenogeneic-mesenchymal-stromal-cells-embedded-within-elastin-like-recombinamer-based-bioactive-hydrogels
#5
David Pescador, Arturo Ibáñez-Fonseca, Fermín Sánchez-Guijo, Jesús G Briñón, Francisco Javier Arias, Sandra Muntión, Cristina Hernández, Alessandra Girotti, Matilde Alonso, María Consuelo Del Cañizo, José Carlos Rodríguez-Cabello, Juan Francisco Blanco
Over the last decades, novel therapeutic tools for osteochondral regeneration have arisen from the combination of mesenchymal stromal cells (MSCs) and highly specialized smart biomaterials, such as hydrogel-forming elastin-like recombinamers (ELRs), which could serve as cell-carriers. Herein, we evaluate the delivery of xenogeneic human MSCs (hMSCs) within an injectable ELR-based hydrogel carrier for osteochondral regeneration in rabbits. First, a critical-size osteochondral defect was created in the femora of the animals and subsequently filled with the ELR-based hydrogel alone or with embedded hMSCs...
August 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28647609/a-machine-learning-approach-for-automated-wide-range-frequency-tagging-analysis-in-embedded-neuromonitoring-systems
#6
Fabio Montagna, Marco Buiatti, Simone Benatti, Davide Rossi, Elisabetta Farella, Luca Benini
EEG is a standard non-invasive technique used in neural disease diagnostics and neurosciences. Frequency-tagging is an increasingly popular experimental paradigm that efficiently tests brain function by measuring EEG responses to periodic stimulation. Recently, frequency-tagging paradigms have proven successful with low stimulation frequencies (0.5 - 6 Hz), but the EEG signal is intrinsically noisy in this frequency range, requiring heavy signal processing and significant human intervention for response estimation...
June 21, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28647087/the-evolution-of-library-design-crafting-smart-compound-collections-for-phenotypic-screens
#7
REVIEW
Kerry L Spear, Scott P Brown
The (re)emergence of phenotypic drug discovery has been marked by a growing interest in screening campaigns that utilize phenotypic assays. The key objectives of phenotypic screens are different from those of target-based screens and can require alternate library-design strategies. Designing a library that is appropriate to the selected assay increases the likelihood of identifying better quality hits, which can reduce both timelines and overall cost of the drug-discovery process. Here, we provide an overview of small-molecule library design principles as applied to phenotypic screening...
March 2017: Drug Discovery Today. Technologies
https://www.readbyqxmd.com/read/28645817/dumb-pumps-smart-flow-and-a-genius
#8
EDITORIAL
Ashish S Shah
No abstract text is available yet for this article.
February 22, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28645744/reversible-hemispheric-hypoperfusion-in-two-cases-of-smart-syndrome
#9
Karmen Wai, Anna Balabanski, Nicholas Chia, Timothy Kleinig
Stroke-like migraine attacks after radiation therapy (SMART) syndrome manifests as prolonged episodes of cortical dysfunction, years after cranial irradiation. We present two cases demonstrating reversible hemispheric hypoperfusion. Case 1 presented with left hemispheric symptoms following previous similar episodes. CT perfusion (CTP) demonstrated reversible hemispheric hypoperfusion; subsequent investigations were consistent with SMART syndrome. Case 2 presented following the third episode of a hemispheric syndrome with near-identical CTP abnormalities...
June 20, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28644874/position-and-orientation-inference-via-on-board-triangulation
#10
Madhu Advani, Daniel S Weile
This work proposes a new approach to determine the spatial location and orientation of an object using measurements performed on the object itself. The on-board triangulation algorithm we outline could be implemented in lieu of, or in addition to, well-known alternatives such as Global Positioning System (GPS) or standard triangulation, since both of these correspond to significantly different geometric pictures and necessitate different hardware and algorithms. We motivate the theory by describing situations in which on-board triangulation would be useful and even preferable to standard methods...
2017: PloS One
https://www.readbyqxmd.com/read/28644620/nanofibrous-smart-fabrics-from-twisted-yarns-of-electrospun-piezo-polymer
#11
Enlong Yang, Zhe Xu, Lucas Chur, Ali Behroozfar, Mahmoud Baniasadi, Salvador Moreno, Jiacheng Huang, Jules Gilligan, Majid Minary-Jolandan
Smart textiles are envisioned to make a paradigm shift in wearable technologies to directly impart functionality into the fibers rather than integrating sensors and electronics onto conformal substrates or skin in wearable devices. Among smart materials, piezoelectric fabrics have not been widely reported, yet. Piezoelectric smart fabrics can be used for mechanical energy harvesting, for thermal energy harvesting through the pyroelectric effect, for ferroelectric applications, as pressure and force sensors, for motion detection, and for ultrasonic sensing...
June 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28644493/photoelectrochemical-devices-for-solar-water-splitting-materials-and-challenges
#12
Chaoran Jiang, Savio J A Moniz, Aiqin Wang, Tao Zhang, Junwang Tang
It is widely accepted within the community that to achieve a sustainable society with an energy mix primarily based on solar energy we need an efficient strategy to convert and store sunlight into chemical fuels. A photoelectrochemical (PEC) device would therefore play a key role in offering the possibility of carbon-neutral solar fuel production through artificial photosynthesis. The past five years have seen a surge in the development of promising semiconductor materials. In addition, low-cost earth-abundant co-catalysts are ubiquitous in their employment in water splitting cells due to the sluggish kinetics of the oxygen evolution reaction (OER)...
June 23, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28643930/moving-towards-precision-orthodontics-an-evolving-paradigm-shift-in-the-planning-and-delivery-of-customized-orthodontic-therapy
#13
REVIEW
A H Jheon, S Oberoi, R C Solem, S Kapila
Advances in precision medicine portend similar progress in orthodontics and will be increasingly harnessed to achieve customized treatment approaches and enhance treatment efficiencies. Our goal is to provide a background on emerging advances in computer technologies and biomedicine and highlight their current and likely future applications to precision orthodontics. A review of orthodontically relevant technologies and advances in pertinent biological research was undertaken. Innovations in computer hardware and software, and 3D imaging technologies offer the ability for customized treatment and biomechanical planning that will be more fully realized within the next few decades...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643603/stroke-like-migraine-attacks-after-radiation-therapy-syndrome-case-report-and-review-of-the-literature
#14
Achint K Singh, Bundhit Tantiwongkosi, Anna-Marieta Moise, Wilson B Altmeyer
A 26-year-old female presented with vision loss accompanied by migraine-like headaches. A contrast-enhanced magnetic resonance imaging of the brain was performed which revealed findings suggestive of stroke-like migraine attacks after radiation therapy (SMART) syndrome. SMART syndrome is a delayed complication of brain radiation characterized by neurologic symptoms including migraine-like headaches, seizures, and hemispheric impairment. The purpose of this article is to make the readers aware of this rare complication of brain irradiation...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28643173/immunotherapy-and-targeted-therapy-for-small-cell-lung-cancer-there-is-hope
#15
REVIEW
Jonathan M Lehman, Mary E Gwin, Pierre P Massion
Small cell lung cancer (SCLC) is a devastating and aggressive neuroendocrine carcinoma of the lung. It accounts for ~15% of lung cancer mortality and has had no improvement in standard treatment options for nearly 30 years. However, there is now hope for change with new therapies and modalities of therapy. Immunotherapies and checkpoint inhibitors are entering clinical practice, selected targeted therapies show promise, and "smart bomb"-based drug/radioconjugates have led to good response in early clinical trials...
July 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28641891/inter-arm-systolic-blood-pressure-differences-relations-with-future-vascular-events-and-mortality-in-patients-with-and-without-manifest-vascular-disease
#16
Guido Kranenburg, Wilko Spiering, Pim A de Jong, L Jaap Kappelle, Gert Jan de Borst, Maarten J Cramer, Frank L J Visseren, Victor Aboyans, Jan Westerink
BACKGROUND: Inter-arm systolic blood pressure difference (SBPD) is an easily obtained patient characteristic which relates to vascular disease. We aimed to identify determinants of large inter-arm SBPD and to investigate the relation between inter-arm SBPD and vascular events in patients with and without manifest vascular disease. METHODS: In a cohort of 7344 patients with manifest vascular disease or vascular risk factors alone enrolled in the Second Manifestations of ARTerial disease (SMART) study, single bilateral non-simultaneous blood pressure measurements were performed...
June 13, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28641321/identifying-and-acting-on-potentially-inappropriate-care-inadequacy-of-current-hospital-coding-for-this-task
#17
P David Cooper, David R Smart
INTRODUCTION: Recent Australian attempts to facilitate disinvestment in healthcare, by identifying instances of 'inappropriate' care from large Government datasets, are subject to significant methodological flaws. Amongst other criticisms has been the fact that the Government datasets utilized for this purpose correlate poorly with datasets collected by relevant professional bodies. Government data derive from official hospital coding, collected retrospectively by clerical personnel, whilst professional body data derive from unit-specific databases, collected contemporaneously with care by clinical personnel...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28640594/biomedical-diagnostics-enabled-by-integrated-organic-and-printed-electronics
#18
Termeh Ahmadraji, Laura Gonzalez-Macia, Tapio Ritvonen, Andreas Willert, Saara Tuurala, Satu Ylimaula, David Donaghy, Mika Suhonen, Dave Smart, Vitaly Efremov, Aoife Morrin, Reinhard R Baumann, Munira Raja, Antti Kemppainen, Anthony J Killard
Organic and printed electronics integration has the potential to revolutionise many technologies, including biomedical diag-nostics. This work demonstrates the successful integration of multiple printed electronic functionalities into a single device capable of the measurement of hydrogen peroxide, and total cholesterol. The single-use device employed printed electrochemical sen-sors for hydrogen peroxide electroreduction integrated with printed electrochromic display and battery. The system was driven by a conventional electronic circuit designed to illustrate the complete integration of silicon ICs via pick and place, or using organic electronic circuits...
June 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28640386/photoresponsive-smart-coloration-electrochromic-supercapacitor
#19
Tae Gwang Yun, Donghyuk Kim, Yong Ho Kim, Minkyu Park, Seungmin Hyun, Seung Min Han
Electrochromic devices have been widely adopted in energy saving applications by taking advantage of the electrode coloration, but it is critical to develop a new electrochromic device that can undergo smart coloration and can have a wide spectrum in transmittance in response to input light intensity while also functioning as a rechargeable energy storage system. In this study, a photoresponsive electrochromic supercapacitor based on cellulose-nanofiber/Ag-nanowire/reduced-graphene-oxide/WO3 -composite electrode that is capable of undergoing "smart" reversible coloration while simultaneously functioning as a reliable energy-storage device is developed...
June 22, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28640315/formation-and-field-driven-dynamics-of-nematic-spheroids
#20
Fred Fu, Nasser Mohieddin Abukhdeir
Unlike the canonical application of liquid crystals (LCs), LC displays, emerging technologies based on LC materials are increasingly leveraging the presence of nanoscale defects. The inherent nanoscale characteristics of LC defects present both significant opportunities as well as barriers for the application of this fascinating class of materials. Simulation-based approaches to the study of the effects of confinement and interface anchoring conditions on LC domains has resulted in significant progress over the past decade, where simulations are now able to access experimentally-relevant length scales while simultaneously capturing nanoscale defect structures...
June 22, 2017: Soft Matter
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