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https://www.readbyqxmd.com/read/28545239/lora-scalability-a-simulation-model-based-on-interference-measurements
#1
Jetmir Haxhibeqiri, Floris Van den Abeele, Ingrid Moerman, Jeroen Hoebeke
LoRa is a long-range, low power, low bit rate and single-hop wireless communication technology. It is intended to be used in Internet of Things (IoT) applications involving battery-powered devices with low throughput requirements. A LoRaWAN network consists of multiple end nodes that communicate with one or more gateways. These gateways act like a transparent bridge towards a common network server. The amount of end devices and their throughput requirements will have an impact on the performance of the LoRaWAN network...
May 23, 2017: Sensors
https://www.readbyqxmd.com/read/28545097/an-integrated-risk-predictor-for-pulmonary-nodules
#2
Paul Kearney, Stephen W Hunsucker, Xiao-Jun Li, Alex Porter, Steven Springmeyer, Peter Mazzone
It is estimated that over 1.5 million lung nodules are detected annually in the United States. Most of these are benign but frequently undergo invasive and costly procedures to rule out malignancy. A risk predictor that can accurately differentiate benign and malignant lung nodules could be used to more efficiently route benign lung nodules to non-invasive observation by CT surveillance and route malignant lung nodules to invasive procedures. The majority of risk predictors developed to date are based exclusively on clinical risk factors, imaging technology or molecular markers...
2017: PloS One
https://www.readbyqxmd.com/read/28545054/an-optimized-small-animal-tumour-model-for-experimentation-with-low-energy-protons
#3
Elke Beyreuther, Kerstin Brüchner, Mechthild Krause, Margret Schmidt, Rita Szabo, Jörg Pawelke
BACKGROUND: The long-term aim of developing laser based particle acceleration towards clinical application requires not only substantial technological progress, but also the radiobiological characterization of the resulting ultra-short and ultra-intensive particle beam pulses. After comprehensive cell studies a mouse ear tumour model was established allowing for the penetration of low energy protons (~20 MeV) currently available at laser driven accelerators. The model was successfully applied for a first tumour growth delay study with laser driven electrons, whereby the need of improvements crop out...
2017: PloS One
https://www.readbyqxmd.com/read/28544927/estuarine-sediment-resuspension-and-acidification-release-behaviour-of-contaminants-under-different-oxidation-levels-and-acid-sources
#4
M Camino Martín-Torre, Eva Cifrian, Gema Ruiz, Berta Galán, Javier R Viguri
Carbon dioxide (CO2) Capture and Storage (CCS) is a technology to reduce the emissions of this gas to the atmosphere by sequestering it in geological formations. In the case of offshore storage, unexpected CO2 leakages will acidify the marine environment. Reductions of the pH might be also caused by anthropogenic activities or natural events such as acid spills and dredging operations or storms and floods. Changes in the pH of the marine environment will trigger the mobilisation of elements trapped in contaminated shallow sediments with unclear redox boundary...
May 22, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28544834/in-vitro-pulsatile-flow-measurement-in-prosthetic-heart-valves-an-inter-laboratory-comparison
#5
Stephen M Retta, Jeff Kepner, Salvador Marquez, Bruce A Herman, Mark C S Shu, Laurence W Grossman
BACKGROUND AND AIM OF STUDY: One of the first steps in qualifying a new prosthetic valve for eventual clinical use is preclinical flow performance testing in vitro. Such testing is typically performed in an in-vitro test system that simulates the pumping mechanics of the left ventricle of the heart, generally referred to as a pulse duplicator or duplicator. Historically, test results in these systems have varied from duplicator to duplicator. This collaborative effort between heart valve manufacturers and the Food and Drug Administration (FDA) was designed to evaluate the variability of the pulse duplicator test technology for pulsatile flow performance measurement in an interlaboratory round robin...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28544553/dna-barcoding-meets-nanotechnology-development-of-a-smart-universal-tool-for-food-authentication
#6
Paola Valentini, Andrea Galimberti, Valerio Mezzasalma, Fabrizio De Mattia, Maurizio Casiraghi, Massimo Labra, Pier Paolo Pompa
Food trade globalization and the growing demand for selected food varieties have led to the intensification of adulteration cases, especially in the form of species substitution/mixing with cheaper taxa. This phenomenon acquired huge economic impact and sometimes even public health implications. DNA barcoding represents a well-proven molecular tool to assess the authenticity of food items, although its diffusion is hampered by analytical constraints and timeframes that are often prohibitive for food market...
May 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28544507/the-effect-of-binaural-beat-technology-on-the-cardiovascular-stress-response-in-military-service-members-with-postdeployment-stress
#7
MeLisa A Gantt, Stephanie Dadds, Debra S Burns, Dale Glaser, Angelo D Moore
PURPOSE: To assess the efficacy of embedded theta brainwave frequency in music using binaural beat technology (BBT) compared to music alone on the cardiovascular stress response in military service members with postdeployment stress. DESIGN: A double-blinded, randomized, pre- and postintervention trial. METHODS: Seventy-four military services members with complaint of postdeployment stress were randomized to either music with BBT or music alone...
May 23, 2017: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/28543738/crispr-editing-in-biological-and-biomedical-investigation
#8
Xing-Da Ju, Jing Xu, Zhong Sheng Sun
The CRISPR (clustered regularly interspaced short palindromic repeat)-Cas (CRISPR--associated protein) system, a prokaryotic RNA-based adaptive immune system against viral infection, is emerging as a powerful genome editing tool in broad research areas. To further improve and expand its functionality, various CRISPR delivery strategies have been tested and optimized, and key CRISPR system components such as Cas protein have been engineered with different purposes. Benefiting from more in-depth understanding and further development of CRISPR, versatile CRISPR-based platforms for genome editing have been rapidly developed to advance investigations in biology and biomedicine...
May 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28543302/a-randomised-controlled-trial-of-an-ipad-based-application-to-complement-early-behavioural-intervention-in-autism-spectrum-disorder
#9
Andrew J O Whitehouse, Joanna Granich, Gail Alvares, Margherita Busacca, Matthew N Cooper, Alena Dass, Thi Duong, Rajes Harper, Wendy Marshall, Amanda Richdale, Tania Rodwell, David Trembath, Pratibha Vellanki, Dennis W Moore, Angelika Anderson
BACKGROUND: Technology-based interventions for Autism Spectrum Disorder (ASD) have proliferated, but few have been evaluated within the context of a randomised controlled trial (RCT). This RCT evaluated the efficacy of one technology-based early intervention programme (Therapy Outcomes By You; TOBY) in young children with ASD. METHODS: TOBY is an app-based learning curriculum designed for children and parents as a complement to early behavioural intervention. Eighty children (16 female) were recruited to this RCT within 12 months of receiving a diagnosis of ASD (M age = 3...
May 25, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28542804/assessment-of-an-engineered-endothelium-via-single-photon-emission-computed-tomography
#10
Bin Jiang, Yidi Wu, Chad R Haney, Chongwen Duan, Guillermo A Ameer
The clinical translation of cell-based therapeutics often requires highly sensitive, non-invasive imaging tools to assess cell function and distribution in vivo. The objective of this research was to determine whether human Sodium-Iodide Symporter (hNIS) ectopic expression in endothelial cells (ECs) in combination with single-photon emission computed tomography (SPECT) is a feasible approach to non-invasively monitor the presence and viability of an engineered endothelium on expanded polytetrafluoroethylene (ePTFE)...
May 22, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28542737/intraobserver-error-in-macromorphoscopic-trait-data
#11
Kelly R Kamnikar, Amber M Plemons, Joseph T Hefner
As part of a much larger investigation into the use of macromorphoscopic trait data by forensic anthropologists to estimate ancestry from unidentified skeletal remains, we conducted a fourteen-year (2002-2016) intraobserver error study. Motivated by the development of a large macromorphoscopic database-which will potentially utilize data collected in 2002-quantification of observer error, the impact of technological improvements in macromorphoscopic trait data collection and observer experience is necessary...
May 24, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28542362/a-window-dea-based-efficiency-evaluation-of-the-public-hospital-sector-in-greece-during-the-5-year-economic-crisis
#12
Angeliki Flokou, Vassilis Aletras, Dimitris Niakas
The main objective of this study was to apply the non-parametric method of Data Envelopment Analysis (DEA) to measure the efficiency of Greek NHS hospitals between 2009-2013. Hospitals were divided into four separate groups with common characteristics which allowed comparisons to be carried out in the context of increased homogeneity. The window-DEA method was chosen since it leads to increased discrimination on the results especially when applied to small samples and it enables year-by-year comparisons of the results...
2017: PloS One
https://www.readbyqxmd.com/read/28542109/application-and-interpretation-of-histocompatibility-data-in-pediatric-kidney-transplantation
#13
Hilda E Fernandez
PURPOSE OF REVIEW: Advances in technology to assess immunologic risk in solid organ transplant offer an opportunity to optimize the approach to pediatric deceased donor kidney transplant in the setting of a new allocation system in the United States. RECENT FINDINGS: Degree of human leukocyte antigen (HLA) mismatch, class II HLA mismatch, unacceptable antigens and donor-specific antibody (DSA) detected by solid-phase assays, and epitope matching pretransplant affect pediatric kidney transplant outcomes...
May 24, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28542091/normative-data-for-critical-speed-and-d-for-high-level-male-rugby-players
#14
Mark Kramer, Ida E Clark, Nick Jamnick, Cody Strom, Robert W Pettitt
The critical speed (CS) concept helps characterize the aerobic and anaerobic fitness of an athlete. Rugby players should hypothetically have modest CS values but extremely high curvature constant (D') values, yet, normative data are currently unavailable. To develop normative data of CS and D' for high-level male rugby players, a total of 30 male rugby players, were recruited from the Eastern Cape of South Africa. All subjects performed the running 3-min all-out exercise test (3 MT) using global positioning system (GPS) technology to determine CS and D'...
March 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28542080/manuscript-title-multidisciplinary-point-of-care-testing-in-south-african-primary-healthcare-clinics-accelerates-hiv-art-initiation-but-does-not-alter-retention-in-care
#15
Wendy S Stevens, Natasha M Gous, William B MacLeod, Lawrence C Long, Ebrahim Variava, Neil A Martinson, Ian Sanne, Regina Osih, Lesley E Scott
BACKGROUND: Lack of accessible laboratory infrastructure limits HIV antiretroviral (ART) treatment initiation, monitoring and retention in many resource-limited settings. Point-of-care testing (POCT) is advocated as a mechanism to overcome these limitations. We executed a pragmatic, prospective, randomized, controlled trial comparing the impact of POCT versus standard-of-care (SOC) on treatment initiation and retention in care. METHOD: Selected POC technologies were embedded at 3 primary health clinics in South Africa...
May 23, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28542014/oak-ridge-reservation-environmental-protection-rad-neshaps-radionuclide-inventory-web-database-and-rad-neshaps-source-and-dose-database
#16
Patricia A Scofield, Linda L Smith, David N Johnson
The U.S. Environmental Protection Agency promulgated national emission standards for emissions of radionuclides other than radon from US Department of Energy facilities in Chapter 40 of the Code of Federal Regulations (CFR) 61, Subpart H. This regulatory standard limits the annual effective dose that any member of the public can receive from Department of Energy facilities to 0.1 mSv. As defined in the preamble of the final rule, all of the facilities on the Oak Ridge Reservation, i.e., the Y-12 National Security Complex, Oak Ridge National Laboratory, East Tennessee Technology Park, and any other U...
July 2017: Health Physics
https://www.readbyqxmd.com/read/28541882/web-app-based-patient-education-in-psoriasis-a-randomized-controlled-trial
#17
Spencer D Hawkins, Steven Barilla, Steven R Feldman
PURPOSE: Patients report wanting more information about psoriasis and clear expectations from the onset of therapy. Dermatologists do not think patients receive or internalize adequate information. There isa need for further explanation of treatment regimens to increase knowledge, compliance, and patient satisfaction. Recent advancements in web technology have the potential to improve these psoriasis outcomes. METHODS: A web based application was created to educate psoriasis patients using video, graphics, and textual information...
April 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28541648/expert-consensus-survey-on-medication-adherence-in-psychiatric-patients-and-use-of-a-digital-medicine-system
#18
Ainslie Hatch, John P Docherty, Daniel Carpenter, Ruth Ross, Peter J Weiden
BACKGROUND: There is an unmet need to objectively assess adherence problems that are a common cause of unexplained or unexpected suboptimal outcome. A digital medicine system (DMS) has been developed to address this need in patients with serious mental illness. OBJECTIVE: To conduct a quantitative expert consensus survey to (1) assess relative importance of causes of suboptimal outcomes, (2) examine modalities used to assess adherence, (3) provide guidance on when and how to use the DMS in clinical practice once available, and (4) suggest interventions for specific reasons for nonadherence...
May 23, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28541490/glanet-genomic-loci-annotation-and-enrichment-tool
#19
Burçak Otlu, Can Firtina, Sündüz Keles, Oznur Tastan
Motivation: Genomic studies identify genomic loci representing genetic variations, transcription factor (TF) occupancy, or histone modification through next generation sequencing (NGS) technologies. Interpreting these loci requires evaluating them with known genomic and epigenomic annotations. Results: We present GLANET as a comprehensive annotation and enrichment analysis tool which implements a sampling-based enrichment test that accounts for GC content and/or mappability biases, jointly or separately...
May 24, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28541383/the-technology-crisis-in-neuropsychology
#20
Justin B Miller, William B Barr
Neuropsychology has fallen reliant on outdated and labor intensive methods of data collection that are slow, highly inefficient, and expensive, and provide relatively data-poor estimates of human behavior despite rapid technological advance in most other fields of medicine. Here we present a brief historical overview of current testing practices in an effort to frame the current crisis, followed by an overview of different settings in which technology can and should be integrated. Potential benefits of laboratory based assessments, remote assessments, as well as passive and high-frequency data collection tools rooted in technology are discussed, along with several relevant examples and how these technologies might be deployed...
May 24, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
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