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https://www.readbyqxmd.com/read/28227511/toward-a-distributed-free-floating-wireless-implantable-neural-recording-system
#1
Pyungwoo Yeon, Xingyuan Tong, Byunghun Lee, Abdollah Mirbozorgi, Bruce Ash, Helmut Eckhardt, Maysam Ghovanloo, Pyungwoo Yeon, Xingyuan Tong, Byunghun Lee, Abdollah Mirbozorgi, Bruce Ash, Helmut Eckhardt, Maysam Ghovanloo, Maysam Ghovanloo, Byunghun Lee, Bruce Ash, Xingyuan Tong, Pyungwoo Yeon, Abdollah Mirbozorgi, Helmut Eckhardt
To understand the complex correlations between neural networks across different regions in the brain and their functions at high spatiotemporal resolution, a tool is needed for obtaining long-term single unit activity (SUA) across the entire brain area. The concept and preliminary design of a distributed free-floating wireless implantable neural recording (FF-WINeR) system are presented, which can enabling SUA acquisition by dispersedly implanting tens to hundreds of untethered 1 mm(3) neural recording probes, floating with the brain and operating wirelessly across the cortical surface...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224350/warmest-extreme-year-in-u-s-history-alters-thermal-requirements-for-tree-phenology
#2
Jacob M Carter, Maria E Orive, Laci M Gerhart, Jennifer H Stern, Renée M Marchin, Joane Nagel, Joy K Ward
The frequency of extreme warm years is increasing across the majority of the planet. Shifts in plant phenology in response to extreme years can influence plant survival, productivity, and synchrony with pollinators/herbivores. Despite extensive work on plant phenological responses to climate change, little is known about responses to extreme warm years, particularly at the intraspecific level. Here we investigate 43 populations of white ash trees (Fraxinus americana) from throughout the species range that were all grown in a common garden...
February 21, 2017: Oecologia
https://www.readbyqxmd.com/read/28222056/physical-activity-sedentary-behavior-and-inflammatory-and-hemostatic-markers-in-men
#3
Tessa J Parsons, Claudio Sartini, Paul Welsh, Naveed Sattar, Sarah Ash, Lucy T Lennon, S Goya Wannamethee, I-Min Lee, Peter H Whincup, Barbara J Jefferis
PURPOSE: This study aimed to determine whether higher levels of physical activity (PA) and less sedentary behavior (SB) are associated with less inflammation, indicated by inflammatory and hemostatic biomarkers, in older men. METHODS: A cross-sectional study of 1139 men, from the British Regional Heart Study (mean ± SD age = 78 ± 5 yr), and longitudinal analyses of 490 men with two PA measures 1 yr apart were used in this study. Single fasting venous blood samples were analyzed for several biomarkers...
March 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28215974/a-systematic-approach-to-evaluate-parameter-consistency-in-the-inlet-stream-of-source-separated-biowaste-composting-facilities-a-case-study-in-colombia
#4
E R Oviedo-Ocaña, P Torres-Lozada, L F Marmolejo-Rebellon, W A Torres-López, I Dominguez, D Komilis, A Sánchez
Biowaste is commonly the largest fraction of municipal solid waste (MSW) in developing countries. Although composting is an effective method to treat source separated biowaste (SSB), there are certain limitations in terms of operation, partly due to insufficient control to the variability of SSB quality, which affects process kinetics and product quality. This study assesses the variability of the SSB physicochemical quality in a composting facility located in a small town of Colombia, in which SSB collection was performed twice a week...
February 16, 2017: Waste Management
https://www.readbyqxmd.com/read/28215808/urea-stabilisation-and-concentration-for-urine-diverting-dry-toilets-urine-dehydration-in-ash
#5
Jenna Senecal, Björn Vinnerås
Human excreta contain the same nitrogen, phosphorus and potassium (N-P-K) as the fertilisers used to produce the food consumed. However, human excreta are considered unwanted waste throughout the world, creating humanitarian and environmental problems. In order to replace the nutrients removed from fields during crop harvesting, more fertilisers are manufactured, in processes contributing to environmental changes at global level. The limitation of human urine as a fertiliser is its low nutrient concentration compared with commercial fertilisers...
February 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28214234/reablement-reactivation-rehabilitation-and-restorative-interventions-with-older-adults-in-receipt-of-home-care-a-systematic-review
#6
REVIEW
Joanie Sims-Gould, Catherine E Tong, Lutetia Wallis-Mayer, Maureen C Ashe
OBJECTIVE: To systematically review the impact of reablement, reactivation, rehabilitation, and restorative (4R) programs for older adults in receipt of home care services. DESIGN: Systematic review. DATA SOURCES: We searched the following electronic bibliographic databases: MEDLINE, EMBASE, PsycINFO, CINAHL (Cumulative Index to Nursing and Allied Health), SPORTDiscus and The Cochrane Library and reference lists. STUDY SELECTION: Randomized controlled trials that describe original data on the impact of home-based rehabilitative care and were written in English...
February 14, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28212364/letter-from-the-editor-the-ash-rehash
#7
Brad S Kahl
No abstract text is available yet for this article.
January 2017: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/28209885/missing-meadows-fail-to-mop-up-microbes
#8
EDITORIAL
Caroline Ash
No abstract text is available yet for this article.
February 17, 2017: Science
https://www.readbyqxmd.com/read/28209876/touchdown-for-gut-pathogen-virulence
#9
EDITORIAL
Caroline Ash
No abstract text is available yet for this article.
February 17, 2017: Science
https://www.readbyqxmd.com/read/28209418/sporadic-desmoid-tumors-in-the-pediatric-population-a-single-center-experience-and-review-of-the-literature
#10
Vered Shkalim Zemer, Helen Toledano, Liora Kornreich, Enrique Freud, Eli Atar, Smadar Avigad, Galina Feinberg-Gorenshtein, Suzana Fichman, Josephine Issakov, Tal Dujovny, Isaac Yaniv, Shifra Ash
BACKGROUND/PURPOSE: We present our long experience with desmoid tumors in children. METHODS: Data were retrospectively collected from 17 children/adolescents treated for sporadic desmoid tumors at a tertiary pediatric hospital in 1988-2016. There were 10 girls and 7 boys aged 1-17years. Tumor sites included head and neck, trunk, extremity, and groin. Eight patients underwent radical resection, with complete remission in 7 and local relapse in one which was treated with chemotherapy...
February 4, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28205239/bioprocessing-of-common-beans-in-diets-for-tilapia-in-vivo-digestibility-and-antinutritional-factors
#11
Francisco Valdez-González, Roberto Gutiérrez-Dorado, Alfredo Hernández-Llamas, Manuel García-Ulloa, Luís Sánchez-Magaña, Breidy Cuevas-Rodríguez, Hervey Rodríguez-González
BACKGROUND: Bioprocessing of ingredients by solid-state fermentation is a low-cost technique for preparing diets. It is perfomed by adding microorganisms as Rhizopus oligosporus to the grains of bean, with minimal degradation of nutrients, and a significant improvement in digestibility. In particular, fermentation induces favorable changes in beans by reducing enzyme inhibitors, such as phytates and tannins. RESULTS: Fermentation significantly (P < 0.05) increased the protein content and digestibility of dry matter and protein compared with whole bean grains, and decreased the content of lipids, ash, and phytic acid...
February 16, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28199301/mrna-localization-if-you-have-to-ash
#12
Joshua M Finkelstein
No abstract text is available yet for this article.
February 15, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28195742/enhanced-davydov-splitting-in-crystals-of-a-perylene-diimide-derivative
#13
Ashli Austin, Nicholas J Hestand, Ian G McKendry, Chuwei Zhong, Xuanyu Zhu, Michael J Zdilla, Frank C Spano, Jodi M Szarko
We report the polarized absorption spectra of high quality, thin crystals of a perylene diimide (PDI) species with branched side chains (B2). The absorption spectrum shows exemplary polarization-dependent H-like and J-like aggregate behavior upon orthogonal excitation, with a sizable Davydov splitting (DS) of 1230 cm-1 and peak to peak splitting of 3040 cm-1. The experimental results are compared to theoretical calculations with remarkable agreement. The theoretical analysis of the polarized absorption spectra shows evidence of a high degree of intermolecular charge transfer, which, along with Coulombic coupling, conspire to create the unprecedented DS for this family of dye molecules...
February 14, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28195703/mass-spectrometric-determination-of-uranium-and-thorium-in-high-radiopurity-polymers-using-ultra-low-background-electroformed-copper-crucibles-for-dry-ashing
#14
Isaac J Arnquist, Eric W Hoppe, Mary Bliss, Jay W Grate
A rapid new method for determining the U and Th mass concentrations in high radiopurity plastics is described, consisting of 1) dry ashing the plastic sample and tracers in low mass crucibles made of ultra low background electroformed copper (ULB EF-Cu) foil cut and folded into boats, 2) dissolving both the ash and the boat in acid, 3) performing a column separation to remove copper, and 4) determining the elements of interest by isotope dilution mass spectrometry. This method was demonstrated on both unfluorinated and fluorinated plastics, demonstrating high tracer recoveries and detection limits to pg/g (i...
February 14, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28194758/behavioral-responses-to-resource-heterogeneity-can-accelerate-biological-invasions
#15
Frithjof Lutscher, Jeffrey A Musgrave
The abundance and spatial distribution of resources in a landscape and the behavioral response of individuals determines whether and how fast an invasive species spreads in an environment. Whether and how landscape manipulations can be used to slow invasive species is of great interest, in particular in forest ecosystems, where tree removal, thinning, and increasing tree diversity are discussed as management options. Classically, the focus is on availability and accessibility of resources; more recent considerations include individual-level behavioral movement responses to a spatially heterogeneous resource distribution...
February 14, 2017: Ecology
https://www.readbyqxmd.com/read/28186335/characterization-of-a-continuous-agitated-cell-reactor-for-oxygen-dependent-biocatalysis
#16
Asbjørn Toftgaard Pedersen, Teresa Melo de Carvalho, Euan Sutherland, Gustav Rehn, Robert Ashe, John M Woodley
Biocatalytic oxidation reactions employing molecular oxygen as the electron acceptor are difficult to conduct in a continuous flow reactor because of the requirement for high oxygen transfer rates. In this paper, the oxidation of glucose to glucono-1,5-lactone by glucose oxidase was used as a model reaction to study a novel continuous agitated cell reactor (ACR). The ACR consists of ten cells interconnected by small channels. An agitator is placed in each cell, which mixes the content of the cell when the reactor body is shaken by lateral movement...
February 10, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28186122/half-metre-sea-level-fluctuations-on-centennial-timescales-from-mid-holocene-corals-of-southeast-asia
#17
Aron J Meltzner, Adam D Switzer, Benjamin P Horton, Erica Ashe, Qiang Qiu, David F Hill, Sarah L Bradley, Robert E Kopp, Emma M Hill, Jędrzej M Majewski, Danny H Natawidjaja, Bambang W Suwargadi
Sea-level rise is a global problem, yet to forecast future changes, we must understand how and why relative sea level (RSL) varied in the past, on local to global scales. In East and Southeast Asia, details of Holocene RSL are poorly understood. Here we present two independent high-resolution RSL proxy records from Belitung Island on the Sunda Shelf. These records capture spatial variations in glacial isostatic adjustment and paleotidal range, yet both reveal a RSL history between 6850 and 6500 cal years BP that includes two 0...
February 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28186072/the-evolving-role-of-medical-scribe-variation-and-implications-for-organizational-effectiveness-and-safety
#18
Deborah V Woodcock, Robert Pranaat, Karess McGrath, Joan S Ash
Increasing use of medical scribes is an unintended consequence of electronic health record adoption in the U.S. The role of scribe is not universally defined, leading to variations in scribe training and operations, as well as questions about scribe efficiency, effectiveness, and safety. Studies published since 2009 have primarily focused on the financial aspects of scribe use, but no published studies have taken an organizational view of this phenomenon. This paper describes stakeholder perspectives on scribes working in outpatient settings within an urban tertiary academic medical center...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28186016/collaborators-and-communication-channels-in-eight-patient-centered-medical-homes
#19
Dian A Chase, David A Dorr, Deborah J Cohen, Joan S Ash
BACKGROUND: The patient-centered medical home (PCMH) concept requires collaboration among clinicians both within the medical home clinic, and outside the clinic. As we redesign health information technology (HIT) to support transformation to the PCMH, we need to better understand these collaboration patterns. This study provides quantitative data describing these collaborations in order to facilitate the design of systems to allow for more efficient collaboration. APPROACH: Eighty-four clinicians in eight clinics identified their two most recent significant collaborators - one each within the clinic and in the medical neighborhood...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28185931/extraction-optimization-and-physicochemical-properties-of-pectin-from-melon-peel
#20
Zarifeh Raji, Faramarz Khodaiyan, Karamatollah Rezaei, Hossein Kiani, Seyed Saeid Hosseini
In this study, acidic extraction (citric acid) was used for the extraction of pectin from melon peel. A central composite design (CCD) was applied to study the effect of temperature (35-95°C), time (40-200min), pH (1-3) and solvent to sample ratio (10-50v/w) on the yield and degree of esterification (DE). The results showed that the yield and DE ranged from 2.87 to 28.98% and 1.33-29.33%, respectively. Also, the highest extraction yield (29.48±1.7%) was obtained under optimal conditions (pH of 1, temperature of 95°C and ratio of 10v/w after 200min)...
February 7, 2017: International Journal of Biological Macromolecules
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