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https://www.readbyqxmd.com/read/28195001/design-and-analysis-of-a-tendon-based-computed-tomography-compatible-robot-with-remote-center-of-motion-for-lung-biopsy
#1
Yunpeng Yang, Shan Jiang, Zhiyong Yang, Wei Yuan, Huaisu Dou, Wei Wang, Daguang Zhang, Yuan Bian
Nowadays, biopsy is a decisive method of lung cancer diagnosis, whereas lung biopsy is time-consuming, complex and inaccurate. So a computed tomography-compatible robot for rapid and precise lung biopsy is developed in this article. According to the actual operation process, the robot is divided into two modules: 4-degree-of-freedom position module for location of puncture point is appropriate for patient's almost all positions and 3-degree-of-freedom tendon-based orientation module with remote center of motion is compact and computed tomography-compatible to orientate and insert needle automatically inside computed tomography bore...
February 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28193814/two-eyes-for-two-purposes-in-situ-evidence-for-asymmetric-vision-in-the-cockeyed-squids-histioteuthis-heteropsis-and-stigmatoteuthis-dofleini
#2
Kate N Thomas, Bruce H Robison, Sönke Johnsen
The light environment of the mesopelagic realm of the ocean changes with both depth and viewer orientation, and this has probably driven the high diversity of visual adaptations found among its inhabitants. The mesopelagic 'cockeyed' squids of family Histioteuthidae have unusual eyes, as the left and right eyes are dimorphic in size, shape and sometimes lens pigmentation. This dimorphism may be an adaptation to the two different sources of light in the mesopelagic realm, with the large eye oriented upward to view objects silhouetted against the dim, downwelling sunlight and the small eye oriented slightly downward to view bioluminescent point sources...
April 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28192466/descriptive-study-of-plant-resources-in-the-context-of-the-ethnomedicinal-relevance-of-indigenous-flora-a-case-study-from-toli-peer-national-park-azad-jammu-and-kashmir-pakistan
#3
Muhammad Shoaib Amjad, Mirza Faisal Qaeem, Israr Ahmad, Sami Ullah Khan, Sunbal Khalil Chaudhari, Nafeesa Zahid Malik, Humaira Shaheen, Arshad Mehmood Khan
BACKGROUND: This paper presents the first quantitative ethnobotanical study of the flora in Toli Peer National Park of Azad Jammu and Kashmir, Pakistan. Being a remote area, there is a strong dependence by local people on ethnobotanical practices. Thus, we attempted to record the folk uses of the native plants of the area with a view to acknowledging and documenting the ethnobotanical knowledge. The aims of the study were to compile an inventory of the medicinal plants in the study area and to record the methods by which herbal drugs were prepared and administered...
2017: PloS One
https://www.readbyqxmd.com/read/28185087/attention-to-body-parts-varies-with-visual-preference-and-verb-effector-associations
#4
Ty W Boyer, Josita Maouene, Nitya Sethuraman
Theories of embodied conceptual meaning suggest fundamental relations between others' actions, language, and our own actions and visual attention processes. Prior studies have found that when people view an image of a neutral body in a scene they first look toward, in order, the head, torso, hands, and legs. Other studies show associations between action verbs and the body-effectors used in performing the action (e.g., "jump" with feet/legs; "talk" with face/head). In the present experiment, the visual attention of participants was recorded with a remote eye-tracking system while they viewed an image of an actor pantomiming an action and heard a concrete action verb...
February 9, 2017: Cognitive Processing
https://www.readbyqxmd.com/read/28158086/adjacency-effects-in-satellite-radiometric-products-from-coastal-waters-a-theoretical-analysis-for-the-northern-adriatic-sea
#5
Barbara Bulgarelli, Viatcheslav Kiselev, Giuseppe Zibordi
Biases induced by land perturbations in satellite-derived water-leaving radiance are theoretically estimated for typical observation conditions in a coastal area of the northern Adriatic Sea hosting the Aqua Alta Oceanographic Tower (AAOT) validation site. Two different correction procedures are considered: not deriving (AC-1) or alternatively deriving (AC-2) the atmospheric properties from the remote sensing data. In both cases, biases due to adjacency effects largely increase by approaching the coast and with the satellite viewing angle...
February 1, 2017: Applied Optics
https://www.readbyqxmd.com/read/28154795/connectomic-profile-and-clinical-phenotype-in-newly-diagnosed-glioma-patients
#6
Jolanda Derks, Anne R Dirkson, Philip C de Witt Hamer, Quinten van Geest, Hanneke E Hulst, Frederik Barkhof, Petra J W Pouwels, Jeroen J G Geurts, Jaap C Reijneveld, Linda Douw
Gliomas are primary brain tumors, originating from the glial cells in the brain. In contrast to the more traditional view of glioma as a localized disease, it is becoming clear that global brain functioning is impacted, even with respect to functional communication between brain regions remote from the tumor itself. However, a thorough investigation of glioma-related functional connectomic profiles is lacking. Therefore, we constructed functional brain networks using functional MR scans of 71 glioma patients and 19 matched healthy controls using the automated anatomical labelling (AAL) atlas and interregional Pearson correlation coefficients...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28146067/a-review-of-passive-rfid-tag-antenna-based-sensors-and-systems-for-structural-health-monitoring-applications
#7
REVIEW
Jun Zhang, Gui Yun Tian, Adi M J Marindra, Ali Imam Sunny, Ao Bo Zhao
In recent few years, the antenna and sensor communities have witnessed a considerable integration of radio frequency identification (RFID) tag antennas and sensors because of the impetus provided by internet of things (IoT) and cyber-physical systems (CPS). Such types of sensor can find potential applications in structural health monitoring (SHM) because of their passive, wireless, simple, compact size, and multimodal nature, particular in large scale infrastructures during their lifecycle. The big data from these ubiquitous sensors are expected to generate a big impact for intelligent monitoring...
January 29, 2017: Sensors
https://www.readbyqxmd.com/read/28134581/remote-teaching-of-histopathology-using-scanned-slides-via-skype-between-the-united-kingdom-and-nigeria
#8
Olorunda Rotimi, Nnamdi Orah, Abeer Shaaban, Adetola O Daramola, Fatimah B Abdulkareem
CONTEXT: -Web-based learning is a major component of distance education. OBJECTIVE: -To explore Web-based applications for pathology teaching in resource-limited sub-Saharan Africa. DESIGN: -The participants were consultant pathologists and trainees drawn from tertiary institutions in Nigeria. They viewed the digital slides via the Leeds virtual pathology Web site, after which, interactive lectures were given via Skype (Skype Communications, Luxembourg City, Luxembourg)...
February 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28122658/randomised-controlled-trial-and-economic-analysis-of-an-internet-based-weight-management-programme-power-positive-online-weight-reduction
#9
Paul Little, Beth Stuart, Fd Richard Hobbs, Jo Kelly, Emily R Smith, Katherine J Bradbury, Stephanie Hughes, Peter Wf Smith, Michael V Moore, Mike Ej Lean, Barrie M Margetts, Christopher D Byrne, Simon Griffin, Mina Davoudianfar, Julie Hooper, Guiqing Yao, Shihua Zhu, James Raftery, Lucy Yardley
BACKGROUND: Behavioural counselling with intensive follow-up for obesity is effective, but in resource-constrained primary care settings briefer approaches are needed. OBJECTIVES: To estimate the clinical effectiveness and cost-effectiveness of an internet-based behavioural intervention with regular face-to-face or remote support in primary care, compared with brief advice. DESIGN: Individually randomised three-arm parallel trial with health economic evaluation and nested qualitative interviews...
January 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28117995/visible-light-driven-bioi-based-janus-micromotor-in-pure-water
#10
Renfeng Dong, Yan Hu, Yefei Wu, Wei Gao, Biye Ren, Qinglong Wang, Yuepeng Cai
Light-driven synthetic micro-/nanomotors have attracted considerable attention due to their potential applications and unique performances such as remote motion control and adjustable velocity. Utilizing harmless and renewable visible light to supply energy for micro-/nanomotors in water represents a great challenge. In view of the outstanding photocatalytic performance of bismuth oxyiodide (BiOI), visible-light-driven BiOI-based Janus micromotors have been developed, which can be activated by a broad spectrum of light, including blue and green light...
January 30, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28116338/human-and-remote-sensing-data-to-investigate-the-frontiers-of-urbanization-in-the-south-of-mexico-city
#11
Juan Miguel Rodriguez Lopez, Katharina Heider, Jürgen Scheffran
The data presented here were originally collected for the article "Frontiers of Urbanization: Identifying and Explaining Urbanization Hot Spots in the South of Mexico City Using Human and Remote Sensing" (Rodriguez et al. 2017) [4]. They were divided into three databases (remote sensing, human sensing, and census information), using a multi-method approach with the goal of analyzing the impact of urbanization on protected areas in southern Mexico City. The remote sensing database was prepared as a result of a semi-automatic classification, dividing the land cover data into urban and non-urban classes...
April 2017: Data in Brief
https://www.readbyqxmd.com/read/28116114/introducing-ehealth-strategies-to-enhance-maternal-and-perinatal-health-care-in-rural-tanzania
#12
Angelo Nyamtema, Nguke Mwakatundu, Sunday Dominico, Mkambu Kasanga, Fadhili Jamadini, Kelvin Maokola, Donald Mawala, Zabron Abel, Richard Rumanyika, Calist Nzabuhakwa, Jos van Roosmalen
BACKGROUND: Globally, eHealth has attracted considerable attention as a means of supporting maternal and perinatal health care. This article describes best practices, gains and challenges of implementing eHealth for maternal and perinatal health care in extremely remote and rural Tanzania. METHODS: Teleconsultation for obstetric emergency care, audio teleconferences and online eLearning systems were installed in ten upgraded rural health centres, four rural district hospitals and one regional hospital in Tanzania...
2017: Maternal Health, Neonatology and Perinatology
https://www.readbyqxmd.com/read/28113862/magnifying-smartphone-screen-using-google-glass-for-low-vision-users
#13
Shrinivas Pundlik, Huaqi Yi, Rui Liu, Eli Peli, Gang Luo
Magnification is a key accessibility feature used by low-vision smartphone users. However, small screen size can lead to loss of context and make interaction with magnified displays challenging. We hypothesize that controlling the viewport with head motion can be natural and help in gaining access to magnified displays. We implement this idea using a Google Glass that displays the magnified smartphone screenshots received in real time via Bluetooth. Instead of navigating with touch gestures on the magnified smartphone display, the users can view different screen locations by rotating their head, and remotely interacting with the smartphone...
March 23, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28113695/simultaneous-spectral-spatial-feature-selection-and-extraction-for-hyperspectral-images
#14
Lefei Zhang, Qian Zhang, Bo Du, Xin Huang, Yuan Yan Tang, Dacheng Tao
In hyperspectral remote sensing data mining, it is important to take into account of both spectral and spatial information, such as the spectral signature, texture feature, and morphological property, to improve the performances, e.g., the image classification accuracy. In a feature representation point of view, a nature approach to handle this situation is to concatenate the spectral and spatial features into a single but high dimensional vector and then apply a certain dimension reduction technique directly on that concatenated vector before feed it into the subsequent classifier...
September 12, 2016: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28113545/radiolucent-4d-ultrasound-imaging-system-design-and-application-to-radiotherapy-guidance
#15
Jeffrey Schlosser, Dimitre Hristov
Four-dimensional (4D) ultrasound (US) is an attractive modality for image guidance due to its real-time, non-ionizing, volumetric imaging capability with high soft tissue contrast. However, existing 4D US imaging systems contain large volumes of metal which interfere with diagnostic and therapeutic ionizing radiation in procedures such as CT imaging and radiation therapy. This study aimed to design and characterize a novel 4D Radiolucent Remotely-Actuated UltraSound Scanning (RRUSS) device that overcomes this limitation...
April 27, 2016: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28078546/postoperative-real-time-electrocardiography-monitoring-detects-myocardial-ischemia-a-case-report
#16
Homer Yang, Ashraf Fayad, Alan Chaput, Stuart Oake, Adrian D C Chan, Mary Lou Crossan
PURPOSE: This case report outlines the utility and challenges of remote continuous postoperative electrocardiography ECG) monitoring, which is routed through a secure smartphone to provide real-time detection and management of myocardial ischemia. CLINICAL FEATURES: A 42-yr-old male with previous myocardial infarction and angioplasty underwent a radical prostatectomy. At three hours and 45 min postoperatively, remote real-time ECG monitoring was initiated upon the patient's arrival on a regular surgical ward...
January 11, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28073290/intra-and-interorgan-communication-in-the-cardiovascular-system-a-special-view-on-redox-regulation
#17
Axel Gödecke, Judith Haendeler
Intraorgan communication in the cardiovascular system is exerted not only by direct cell-cell contacts but also by locally released factors, which modulate neighboring cells by paracrine signals (e.g., NO, vascular endothelial growth factor, adenosine, reactive oxygen species). Moreover, cells in close proximity to the typical cardiovascular cells such as fibroblasts, red blood cells, as well as resident and invading immune cells must be considered in attempts to understand cardiovascular function in physiology and pathology...
February 7, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28069561/cancer-survivors-experience-with-telehealth-a-systematic-review-and-thematic-synthesis
#18
REVIEW
Anna Cox, Grace Lucas, Afrodita Marcu, Marianne Piano, Wendy Grosvenor, Freda Mold, Roma Maguire, Emma Ream
BACKGROUND: Net survival rates of cancer are increasing worldwide, placing a strain on health service provision. There is a drive to transfer the care of cancer survivors-individuals living with and beyond cancer-to the community and encourage them to play an active role in their own care. Telehealth, the use of technology in remote exchange of data and communication between patients and health care professionals (HCPs), is an important contributor to this evolving model of care. Telehealth interventions are "complex," and understanding patient experiences of them is important in evaluating their impact...
January 9, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28069356/radiology-reports-what-you-think-you-re-saying-and-what-they-think-you-re-saying
#19
Bonmyong Lee, Matthew T Whitehead
BACKGROUND: Image interpretation and translation into written language is an imperfect process. Yet, the radiology report represents the link between radiologist's opinion and patient's images. Increased access to images through remote viewing stations has made direct communication between radiologists and clinicians less commonplace. We are interested in how accurately the descriptive contents within radiology reports convey the feelings of the radiologist to the referring clinician...
November 16, 2016: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28068977/alcohol-management-plans-in-aboriginal-and-torres-strait-islander-indigenous-australian-communities-in-queensland-community-residents-have-experienced-favourable-impacts-but-also-suffered-unfavourable-ones
#20
Alan R Clough, Stephen A Margolis, Adrian Miller, Anthony Shakeshaft, Christopher M Doran, Robyn McDermott, Robert Sanson-Fisher, Valmae Ypinazar, David Martin, Jan A Robertson, Michelle S Fitts, Katrina Bird, Bronwyn Honorato, Simon Towle, Caryn West
BACKGROUND: In Australia, 'Alcohol Management Plans' (AMPs) provide the policy infrastructure for State and Commonwealth Governments to address problematic alcohol use among Aboriginal and Torres Strait Islanders. We report community residents' experiences of AMPs in 10 of Queensland's 15 remote Indigenous communities. METHODS: This cross-sectional study used a two-stage sampling strategy: N = 1211; 588 (48%) males, 623 (52%) females aged ≥18 years in 10 communities...
January 10, 2017: BMC Public Health
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