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https://www.readbyqxmd.com/read/28339620/systematic-review-of-the-effectiveness-of-health-related-behavioral-interventions-using-portable-activity-sensing-devices-pasds
#1
Hamed Abedtash, Richard J Holden
Background: Portable activity sensing devices (PASDs) have received significant interest as tools for objectively measuring activity-related parameters and promoting health-related outcomes. Studies of PASDs suggest the potential value of integrating them with behavioral interventions to improve intermediate and downstream clinical outcomes. Objectives: : This systematic review describes and evaluates evidence from controlled studies of interventions using PASDs on their effectiveness in health-related outcomes...
February 11, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28335504/diagnosis-of-breast-cancer-tissues-using-785-nm-miniature-raman-spectrometer-and-pattern-regression
#2
Qingbo Li, Can Hao, Zhi Xu
For achieving the development of a portable, low-cost and in vivo cancer diagnosis instrument, a laser 785 nm miniature Raman spectrometer was used to acquire the Raman spectra for breast cancer detection in this paper. However, because of the low spectral signal-to-noise ratio, it is difficult to achieve high discrimination accuracy by using the miniature Raman spectrometer. Therefore, a pattern recognition method of the adaptive net analyte signal (NAS) weight k-local hyperplane (ANWKH) is proposed to increase the classification accuracy...
March 19, 2017: Sensors
https://www.readbyqxmd.com/read/28335461/design-and-validation-of-a-low-cost-portable-device-to-quantify-postural-stability
#3
Yong Zhu
Measurement of the displacement of the center-of-pressure (COP) is an important tool used in biomechanics to assess postural stability and human balance. The goal of this research was to design and validate a low-cost portable device that can offer a quick indication of the state of postural stability and human balance related conditions. Approximate entropy (ApEn) values reflecting the amount of irregularity hiding in COP oscillations were used to calculate the index. The prototype adopted a portable design using the measurements of the load cells located at the four corners of a low-cost force platform...
March 18, 2017: Sensors
https://www.readbyqxmd.com/read/28335017/the-medical-battery-in-the-united-states-1870-1920-electrotherapy-at-home-and-in-the-clinic
#4
Anna Wexler
This paper focuses on the history of a portable shock-producing electrotherapeutic device known as the medical battery (1870-1920), which provided both direct and alternating current and was thought to cure a wide variety of ailments. The product occupied a unique space at the nexus of medicine, consumerism and quackery: it was simultaneously considered a legitimate device by medical professionals who practiced electrotherapeutics, yet identical versions were sold directly to consumers, often via newspaper advertisements and with cure-all marketing language...
March 16, 2017: Journal of the History of Medicine and Allied Sciences
https://www.readbyqxmd.com/read/28334593/pediatric-postoperative-pulse-oximetry-monitoring-during-transport-to-the-postanesthesia-care-unit-reduces-frequency-of-hypoxemia
#5
Thomas J Caruso, Tara E Mokhtari, Monica J Coughlan, Diane S Wu, Juan L Marquez, Melissa Duan, Heather Freeman, Andrew Giustini, Mary Tweedy, Paul J Sharek
BACKGROUND: The standard use of pulse oximetry during the transport of postoperative patients from the operating room (OR) to the postanesthesia care unit (PACU) is not routinely practiced. A study was conducted to determine if the frequency of hypoxemia on admission to the PACU decreased after implementation of routine use of transport pulse oximeters for postoperative patients being transferred to the PACU. METHODS: In this prospective cohort study, which was conducted at an academic pediatric hospital, the primary outcome measure was the frequency of hypoxemic events on arrival to the PACU...
March 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28333081/hyperspectral-monitoring-of-green-roof-vegetation-health-state-in-sub-mediterranean-climate-preliminary-results
#6
Patrizia Piro, Michele Porti, Simone Veltri, Emanuela Lupo, Monica Moroni
In urban and industrial environments, the constant increase of impermeable surfaces has produced drastic changes in the natural hydrological cycle. Decreasing green areas not only produce negative effects from a hydrological-hydraulic perspective, but also from an energy point of view, modifying the urban microclimate and generating, as shown in the literature, heat islands in our cities. In this context, green infrastructures may represent an environmental compensation action that can be used to re-equilibrate the hydrological and energy balance and reduce the impact of pollutant load on receiving water bodies...
March 23, 2017: Sensors
https://www.readbyqxmd.com/read/28332822/screening-of-wolbachia-endosymbiont-infection-in-aedes-aegypti-mosquitoes-using-attenuated-total-reflection-mid-infrared-spectroscopy
#7
Aazam Khoshmanesh, Dale Christensen, David Perez-Guaita, Iñaki Iturbe-Ormaetxe, Scott L O'Neill, Don McNaughton, Bayden R Wood
Dengue fever is the most common mosquito transmitted viral infection afflicting humans, estimated to generate around 390 million infections each year in over 100 countries. The introduction of the endosymbiotic bacterium Wolbachia into Aedes aegypti mosquitoes has the potential to greatly reduce the public health burden of the disease. This approach requires extensive PCR (Polymerase Chain Reaction) testing of the Wolbachia-infection status of mosquitoes in areas where Wolbachia-A. aegypti are released. Here we report the first example of small organism mid-infrared spectroscopy where we have applied Attenuated Total Reflection Fourier Transform Infrared (ATR-FTIR) spectroscopy and multivariate modelling methods to determine sex, age and the presence of Wolbachia (wMel strain) in laboratory mosquitoes and sex and age in field mosquitoes...
March 23, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28332481/investigation-of-chemical-vapour-deposition-mos2-field-effect-transistors-on-sio2-and-zro2-substrates
#8
Xi Liu, Yang Chai, Zhaojun Liu
With the development of portable electronics, higher performance transistors are required to reduce the form factor and improve the performance of the devices. The key issue relies on developing transistors with outstanding electrical properties and low energy consumption at small scale. Here we demonstrate chemical vapor deposition (CVD) grown MoS2 transistors with a high on/off ratio using ZrO2 as a gate dielectric. Using 10 nm thick ZrO2, the transistor has an on/off ratio of 10(8), a sub-threshold swing of 0...
March 23, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28331792/advanced-micro-nanostructures-for-lithium-metal-anodes
#9
REVIEW
Rui Zhang, Nian-Wu Li, Xin-Bing Cheng, Ya-Xia Yin, Qiang Zhang, Yu-Guo Guo
Owning to their very high theoretical capacity, lithium metal anodes are expected to fuel the extensive practical applications in portable electronics and electric vehicles. However, unstable solid electrolyte interphase and lithium dendrite growth during lithium plating/stripping induce poor safety, low Coulombic efficiency, and short span life of lithium metal batteries. Lately, varies of micro/nanostructured lithium metal anodes are proposed to address these issues in lithium metal batteries. With the unique surface, pore, and connecting structures of different nanomaterials, lithium plating/stripping processes have been regulated...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331176/novel-microwave-torso-scanner-for-thoracic-fluid-accumulation-diagnosis-and-monitoring
#10
S Ahdi Rezaeieh, A Zamani, K S Bialkowski, A M Abbosh
Thoracic fluid accumulation is one of the significant and early-stage manifestations of fatal diseases, such as lung-cancer, liver-failure and congestive heart-failure. Currently, computational-tomography (CT)-Scan is the most widely used tool for the detection of thoracic fluid. Yet, it is unable to detect small amounts of fluid, has ionizing radiation and lacks mobility. On the other hand, microwave imaging systems have emerged as an accurate and portable complementary diagnostic tool. However, there is a lack of a complete clinical platform that can fulfill the requirements of accurate and reliable imaging...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28330888/defining-a-core-genome-multilocus-sequence-typing-scheme-for-the-global-epidemiology-of-vibrio-parahaemolyticus
#11
Narjol Gonzalez-Escalona, Keith A Jolley, Elizabeth Reed, Jaime Martinez-Urtaza
Vibrio parahaemolyticus is an important human foodborne pathogen whose transmission is associated with the consumption of contaminated seafood with a growing number of infections reported over recent years worldwide. A multilocus sequence typing (MLST) database for V. parahaemolyticus was created in 2008 and a large number of clones have been identified causing severe outbreaks worldwide (ST3), recurrent outbreaks in certain regions (e.g., ST36) or spreading to other regions where they are non-endemic (e.g...
March 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28329815/recent-improvements-in-cognitive-functioning-among-older-u-s-adults-how-much-does-increasing-educational-attainment-explain
#12
Amanda Leggett, Philippa Clarke, Kara Zivin, Ryan J McCammon, Michael R Elliott, Kenneth M Langa
Objectives: Recent interest has been generated about reports of declining incidence in cognitive impairment among more recently born cohorts. At the same time, attained education, which is related to cognition, has increased in recent cohorts of older adults. We examined cohort differences in cognitive function in a nationally representative sample of Americans aged 25 and older followed for 25 years (1986-2011) and considered the extent to which cohort differences in education account for differences...
January 28, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28329760/low-temperature-hydrogen-production-from-water-and-methanol-using-pt-%C3%AE-moc-catalysts
#13
Lili Lin, Wu Zhou, Rui Gao, Siyu Yao, Xiao Zhang, Wenqian Xu, Shijian Zheng, Zheng Jiang, Qiaolin Yu, Yong-Wang Li, Chuan Shi, Xiao-Dong Wen, Ding Ma
Polymer electrolyte membrane fuel cells (PEMFCs) running on hydrogen are attractive alternative power supplies for a range of applications, with in situ release of the required hydrogen from a stable liquid offering one way of ensuring its safe storage and transportation before use. The use of methanol is particularly interesting in this regard, because it is inexpensive and can reform itself with water to release hydrogen with a high gravimetric density of 18.8 per cent by weight. But traditional reforming of methanol steam operates at relatively high temperatures (200-350 degrees Celsius), so the focus for vehicle and portable PEMFC applications has been on aqueous-phase reforming of methanol (APRM)...
March 22, 2017: Nature
https://www.readbyqxmd.com/read/28328252/liberal-entity-extraction-rapid-construction-of-fine-grained-entity-typing-systems
#14
Lifu Huang, Jonathan May, Xiaoman Pan, Heng Ji, Xiang Ren, Jiawei Han, Lin Zhao, James A Hendler
The ability of automatically recognizing and typing entities in natural language without prior knowledge (e.g., predefined entity types) is a major challenge in processing such data. Most existing entity typing systems are limited to certain domains, genres, and languages. In this article, we propose a novel unsupervised entity-typing framework by combining symbolic and distributional semantics. We start from learning three types of representations for each entity mention: general semantic representation, specific context representation, and knowledge representation based on knowledge bases...
March 2017: Big Data
https://www.readbyqxmd.com/read/28328194/self-assembly-of-large-gold-nanoparticles-for-surface-enhanced-raman-spectroscopy
#15
Guang Yang, Jagjit Nanda, Boya Wang, Gang Chen, Daniel T Hallinan
Performance of portable technologies from mobile phones to electric vehicles is currently limited by the energy density and lifetime of lithium batteries. Expanding the limits of battery technology requires in situ detection of trace components at electrode-electrolyte interphases. Surface-enhance Raman spectroscopy could satisfy this need if a robust and reproducible substrate were available. Gold nanoparticles (Au NPs) larger than 20 nm diameter are expected to greatly enhance Raman intensity if they can be assembled into ordered monolayers...
March 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28327935/science-in-the-cloud-sic-a-use-case-in-mri-connectomics
#16
Gregory Kiar, Krzysztof J Gorgolewski, Dean Kleissas, William Gray Roncal, Brian Litt, Brian Wandell, Russel A Poldrack, Martin Wiener, R Jacob Vogelstein, Randal Burns, Joshua T Vogelstein
Modern technologies are enabling scientists to collect extraordinary amounts of complex and sophisticated data across a huge range of scales like never before. With this onslaught of data, we can allow the focal point to shift from data collection to data analysis. Unfortunately, lack of standardized sharing mechanisms and practices often make reproducing or extending scientific results very difficult. With the creation of data organization structures and tools which drastically improve code portability, we now have the opportunity to design such a framework for communicating extensible scientific discoveries...
March 7, 2017: GigaScience
https://www.readbyqxmd.com/read/28327887/oral-anticoagulation-in-primary-care
#17
J Altirriba, P Aparicio
Oral anticoagulant therapy is currently widespread in the population and primary care plays an important role in its control in Spain. Younger populations, such as those in prisons, often require this treatment for reasons other than atrial fibrillation, often in relation to valvular or congenital or acquired hypercoagulability situations. The possibility of obtaining the INR by portable coagulometers has allowed primary care physicians to tackle the indication of this therapy and the control of these patients in coordination with haematology services...
June 2017: Revista Española de Sanidad Penitenciaria
https://www.readbyqxmd.com/read/28327191/real-time-in-vivo-monitoring-of-magnetic-nanoparticles-in-the-bloodstream-by-ac-biosusceptometry
#18
André G Próspero, Caio C Quini, Andris F Bakuzis, Patrícia Fidelis-de-Oliveira, Gustavo M Moretto, Fábio P F Mello, Marcos F F Calabresi, Ronaldo V R Matos, Ednaldo A Zandoná, Nícholas Zufelato, Ricardo B Oliveira, José R A Miranda
BACKGROUND: We introduce and demonstrate that the AC biosusceptometry (ACB) technique enables real-time monitoring of magnetic nanoparticles (MNPs) in the bloodstream. We present an ACB system as a simple, portable, versatile, non-invasive, and accessible tool to study pharmacokinetic parameters of MNPs, such as circulation time, in real time. We synthesized and monitored manganese doped iron oxide nanoparticles in the bloodstream of Wistar rats using two different injection protocols...
March 21, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28326759/a-practical-cryogen-free-co2-purification-and-freezing-technique-for-stable-isotope-analysis
#19
Saburo Sakai, Shinichi Matsuda
 Since isotopic analysis by mass spectrometer began in the early 1900s, sample gas for light-element isotopic measurement has been purified by the use of cryogens and vacuum-line systems. However, this conventional purification technique can achieve only certain temperatures, which depend on the cryogens, and can be sustained only as long as there is a continuous cryogen supply. Here, we demonstrate a practical cryogen-free CO2 purification technique using an electrical operated cryocooler for stable isotope analysis...
March 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28325206/improving-glycemic-control-safely-in-non-critical-care-patients-a-collaborative-systems-approach-in-nine-hospitals
#20
Gregory A Maynard, Diana Childers, Janet Holdych, Heather Kendall, Tom Hoag, Karen Harrison
BACKGROUND: Practice variations in insulin management and glycemic adverse events led nine Dignity Health hospitals to initiate a collaborative effort to improve hypoglycemia, uncontrolled hyperglycemia, and glycemic control. METHODS: Non-critical care adult inpatients with ≥4 point-of-care blood glucose (BG) readings in a ≥2-day period were included. Balanced glucometric goals for each hospital were individualized to improve performance by 10%-20% from baseline or achieve top performance derived from Society of Hospital Medicine (SHM) benchmarking studies...
April 2017: Joint Commission Journal on Quality and Patient Safety
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