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https://www.readbyqxmd.com/read/28445806/patient-engagement-at-the-margins-health-care-providers-assessments-of-engagement-and-the-structural-determinants-of-health-in-the-safety-net
#1
Mark D Fleming, Janet K Shim, Irene Yen, Ariana Thompson-Lastad, Sara Rubin, Meredith Van Natta, Nancy J Burke
Increasing "patient engagement" has become a priority for health care organizations and policy-makers seeking to reduce cost and improve the quality of care. While concepts of patient engagement have proliferated rapidly across health care settings, little is known about how health care providers make use of these concepts in clinical practice. This paper uses 20 months of ethnographic and interview research carried out from 2015 to 2016 to explore how health care providers working at two public, urban, safety-net hospitals in the United States define, discuss, and assess patient engagement...
April 20, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28435481/a-patient-centered-emergency-department-management-strategy-for-sickle-cell-disease-super-utilizers
#2
Grant G Simpson, Hallie R Hahn, Alex A Powel, Robert R Leverence, Linda A Morris, Lara G Thompson, Marc S Zumberg, Deepa J Borde, Joseph A Tyndall, Jonathan J Shuster, Donald M Yealy, Brandon R Allen
INTRODUCTION: A subpopulation of sickle-cell disease patients, termed super-utilizers, presents frequently to emergency departments (EDs) for vaso-occlusive events and may consume disproportionate resources without broader health benefit. To address the healthcare needs of this vulnerable patient population, we piloted a multidisciplinary intervention seeking to create and use individualized patient care plans that alter utilization through coordinated care. Our goals were to assess feasibility primarily, and to assess resource use secondarily...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28425464/metabolic-labelling-of-the-carbohydrate-core-in-bacterial-peptidoglycan-and-its-applications
#3
Hai Liang, Kristen E DeMeester, Ching-Wen Hou, Michelle A Parent, Jeffrey L Caplan, Catherine L Grimes
Bacterial cells are surrounded by a polymer known as peptidoglycan (PG), which protects the cell from changes in osmotic pressure and small molecule insults. A component of this material, N-acetyl-muramic acid (NAM), serves as a core structural element for innate immune recognition of PG fragments. We report the synthesis of modifiable NAM carbohydrate derivatives and the installation of these building blocks into the backbone of Gram-positive and Gram-negative bacterial PG utilizing metabolic cell wall recycling and biosynthetic machineries...
April 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28422443/role-of-cd200-in-differential-diagnosis-of-mature-b-cell-neoplasm
#4
K Rahman, P Kumar, R Gupta, M K Singh, S Nityanand
INTRODUCTION: CD 200 is a type I immunoglobulin super family membrane glycoprotein, which is expressed in various mature B-cell neoplasm (MBN). This study aimed at analyzing the expression pattern of CD200 by flow cytometry immunophenotyping (FCI) and to evaluate its utility in narrowing down the differential diagnosis of MBN, particularly in low-grade lymphomas. METHODS: A total of 160 samples were evaluated by FCI over a period of 2 years (July 2014-June 2016), by a panel of antibodies including CD200...
April 19, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28421321/experimental-investigations-on-fluorescence-excitation-and-depletion-of-carbon-dots
#5
Yunxia Wang, Zhenhua Bai, Qian Wang, Guiren Wang
Carbon dots (CDs) can be readily synthesized and utilized as attractive fluorescent probes for a variety of applications. In this study, we have synthesized CDs using a previously published method and characterized their photo-physical properties. The resultant CDs possess prominent photo-stability and short emission wavelength in the violet region. Our study reveals that CDs, with weak photo-bleaching, enable them to be employed to achieve high spatial resolution in stimulated emission depletion (STED) microscopy...
April 18, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28415402/fattigation-platform-theranostic-nanoparticles-for-cancer-therapy
#6
Thao Truong-Dinh Tran, Phuong Ha-Lien Tran, Tae-Jong Yoon, Beom-Jin Lee
A new conceptual nanoparticle consisting of a silica-coated iron oxide magnetic core and a fattigation-based biocompatible shell with oleic acid and hydrophilic protein (gelatin). The prepared particle can be a useful theranostics platform material for diagnostic imaging and as a drug delivery system. Oleic acid and gelatin were conjugated on the silica-coated magnetic nanoparticle surface to provide three primary functionalities: 1) enhancing biocompatibility and solubility in aqueous solution and providing the ability to incorporate hydrophobic chemical drugs into the shell for delivery, 2) improving treatment-response magnetic monitoring as a diagnostic agent with low nanotoxicity, and 3) increasing anticancer efficacy owing to the controlled release of the incorporated drug in cells and in an animal model...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28400616/granulosa-cell-endothelin-2-expression-is-fundamental-for-ovulatory-follicle-rupture
#7
Joseph A Cacioppo, Po-Ching Patrick Lin, Patrick R Hannon, Daniel R McDougle, Arnon Gal, CheMyong Ko
Ovulation is dependent upon numerous factors mediating follicular growth, vascularization, and ultimately oocyte release via follicle rupture. Endothelin-2 (EDN2) is a potent vasoconstrictor that is transiently produced prior to follicle rupture by granulosa cells of periovulatory follicles and induces ovarian contraction. To determine the role of Edn2 expression, surgical transplant and novel conditional knockout mice were super-ovulated and analyzed. Conditional knockout mice utilized a new iCre driven by the Esr2 promoter to selectively remove Edn2...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28393952/ko-t-bu-catalyzed-lithiation-of-pmdta-and-the-direct-functionalization-of-bridged-alkenes-under-mild-conditions
#8
Yuntao Wang, Jialin Liu, Lin Huang, Ranran Zhu, Xueyan Huang, Ross Moir, Jianhui Huang
A practical preparation of the reagent PMDTALi using a super base system under mild conditions has been developed. This PMDTALi base has been demonstrated to be a very efficient reagent for the lithiation of bridged alkenes via direct deprotonation. Further reactions with electrophiles and also coupling reactions in the presence of Pd catalysts provide the bridged alkenes with a broad range of functional groups including silyl, alkyl, halogen and aryl substituents. The utilization of this new lithium reagent has brought a new diversity to the choice of lithium reagent for the deprotonation of synthetically challenging systems...
April 20, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28390321/increased-electrocatalyzed-performance-through-high-content-potassium-doped-graphene-matrix-and-aptamer-tri-infinite-amplification-labels-strategy-highly-sensitive-for-matrix-metalloproteinases-2-detection
#9
Xiang Ren, Tong Zhang, Dan Wu, Tao Yan, Xuehui Pang, Bin Du, Wanruo Lou, Qin Wei
Herein, a super-labeled immunoassay was fabricated for matrix metalloproteinases-2 detection. A self-corrosion ITO micro circuit board was designed in this sensing platform to reduce the random error in the same testing condition, and the self-constructed sensing platform is portable with a cheap price. The K-modified graphene (K-GS) was utilized as the matrix material, which was synthesized well by phenylate and phenanthrene through the polar bond of nonpolar molecule phenylate and the π-π interaction for the first time...
April 2, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28380910/stochastic-fluorescence-switching-of-nucleic-acids-under-visible-light-illumination
#10
Biqin Dong, Luay M Almassalha, Brian T Soetikno, John E Chandler, The-Quyen Nguyen, Ben E Urban, Cheng Sun, Hao F Zhang, Vadim Backman
We report detailed characterizations of stochastic fluorescence switching of unmodified nucleic acids under visible light illumination. Although the fluorescent emission from nucleic acids under the visible light illumination has long been overlooked due to their apparent low absorption cross section, our quantitative characterizations reveal the high quantum yield and high photon count in individual fluorescence emission events of nucleic acids at physiological concentrations. Owing to these characteristics, the stochastic fluorescence switching of nucleic acids could be comparable to that of some of the most potent exogenous fluorescence probes for localization-based super-resolution imaging...
April 3, 2017: Optics Express
https://www.readbyqxmd.com/read/28377616/single-laser-pulse-generates-dual-photoacoustic-signals-for-differential-contrast-photoacoustic-imaging
#11
Fei Gao, Xiaohua Feng, Ruochong Zhang, Siyu Liu, Ran Ding, Rahul Kishor, Yuanjin Zheng
Photoacoustic sensing and imaging techniques have been studied widely to explore optical absorption contrast based on nanosecond laser illumination. In this paper, we report a long laser pulse induced dual photoacoustic (LDPA) nonlinear effect, which originates from unsatisfied stress and thermal confinements. Being different from conventional short laser pulse illumination, the proposed method utilizes a long square-profile laser pulse to induce dual photoacoustic signals. Without satisfying the stress confinement, the dual photoacoustic signals are generated following the positive and negative edges of the long laser pulse...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28369273/computational-health-economics-for-identification-of-unprofitable-health-care-enrollees
#12
Sherri Rose, Savannah L Bergquist, Timothy J Layton
Health insurers may attempt to design their health plans to attract profitable enrollees while deterring unprofitable ones. Such insurers would not be delivering socially efficient levels of care by providing health plans that maximize societal benefit, but rather intentionally distorting plan benefits to avoid high-cost enrollees, potentially to the detriment of health and efficiency. In this work, we focus on a specific component of health plan design at risk for health insurer distortion in the Health Insurance Marketplaces: the prescription drug formulary...
March 22, 2017: Biostatistics
https://www.readbyqxmd.com/read/28363228/super-thin-and-suprafascial-anterolateral-thigh-perforator-flaps-for-extremity-reconstruction
#13
Akhil K Seth, Matthew L Iorio
Background The anterolateral thigh (ALT) flap remains a workhorse for soft tissue reconstruction. However, the traditional ALT flap is often too bulky for resurfacing shallow, distal extremity defects, prohibiting adequate function, or well-fitted orthotics. This study evaluates extremity reconstruction using ALT flaps elevated in the suprafascial or super-thin plane. Methods Retrospective review of ALT free flap reconstruction from October 2014 to July 2016 was performed. Suprafascial and super-thin flaps were those elevated just above the crural fascia and within the superficial scarpal plane, respectively...
March 31, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28345728/embedding-1d-or-2d-cobalt-carboxylate-substrates-in-3d-coordination-polymers-exhibiting-slow-magnetic-relaxation-behaviors-crystal-structures-high-field-epr-and-magnetic-studies
#14
Nannan Mao, Biquan Zhang, Fan Yu, Xi Chen, Gui-Lin Zhuang, Zhenxing Wang, Zhongwen Ouyang, Tianle Zhang, Bao Li
By utilizing well-designed bifunctional ligands derived from 1H-imidazole-4,5-dicarboxylic acid, magnetic coordination polymers (CPs) that exhibit slow magnetic relaxation at the low temperature regions were constructed and further structurally characterized. In 1, 1D cobalt-carboxyl chains were stabilized in the final structure. In contrast, by adjusting the length of the substituted arms on imidazole-4,5-dicarboxylic acid, a novel 3D CP, 2 containing 2D 6(3) cobalt-carboxyl layer was obtained. A combination of Quantum Monte Carlo (QMC) simulations and the first-principles Density functional theory (DFT) calculations showed that compound 2 features weak ferro- and antiferro-magnetic coupling mechanisms with two different super-exchange paths of -/+/- for syn-anti carboxylate bridges and -/-/- for syn-syn carboxylate bridges...
March 27, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28332868/is-autoimmunology-a-discipline-of-its-own-a-big-data-based-bibliometric-and-scientometric-analyses
#15
Abdulla Watad, Nicola Luigi Bragazzi, Mohammad Adawi, Howard Amital, Shaye Kivity, Naim Mahroum, Miri Blank, Yehuda Shoenfeld
Autoimmunology is a super-specialty of immunology specifically dealing with autoimmune disorders. To assess the extant literature concerning autoimmune disorders, bibliometric and scientometric analyses (namely, research topics/keywords co-occurrence, journal co-citation, citations, and scientific output trends - both crude and normalized, authors network, leading authors, countries, and organizations analysis) were carried out using open-source software, namely, VOSviewer and SciCurve. A corpus of 169,519 articles containing the keyword "autoimmunity" was utilized, selecting PubMed/MEDLINE as bibliographic thesaurus...
March 23, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28332832/serpentine-ultralong-path-with-extended-routing-super-high-resolution-traveling-wave-ion-mobility-ms-using-structures-for-lossless-ion-manipulations
#16
Liulin Deng, Ian K Webb, Sandilya V B Garimella, Ahmed M Hamid, Xueyun Zheng, Randolph V Norheim, Spencer A Prost, Gordon A Anderson, Jeremy A Sandoval, Erin S Baker, Yehia M Ibrahim, Richard D Smith
Ion mobility (IM) separations have a broad range of analytical applications, but insufficient resolution often limits their utility. Here, we report on ion mobility separations in a structures for lossless ion manipulations (SLIM) serpentine ultralong path with extended routing (SUPER) traveling wave (TW) ion mobility (IM) module in conjunction with mass spectrometry (MS). Ions were confined in the SLIM by rf fields in conjunction with a DC guard bias, enabling essentially lossless TW transmission over greatly extended paths...
April 5, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28324497/telomere-g-rich-overhang-length-measurement-dsn-method
#17
Yong Zhao, Jerry W Shay, Woodring E Wright
Telomeres terminate in 3' single-stranded G-rich overhangs that function in telomere end protection and telomerase action. An accurate measurement of overhang length is challenging due to the presence of many kilobases of double-stranded telomere DNA. Here, a simple method is described that utilizes duplex specific nuclease (DSN) to digest all double-stranded DNA including telomeres to fragments of <10 bp, leaving the single-stranded overhangs intact. Their length can then be determined by Southern blot using super-sensitive telomere C-rich probes...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28322056/preparation-of-ultrathin-robust-nanohybrid-capsules-through-a-beyond-biomineralization-method
#18
Shaohua Zhang, Zhongyi Jiang, Weilun Qian, Jiafu Shi, Xiaoli Wang, Lei Tang, Hongjian Zou, Hua Liu
Herein, a facile and generic method is developed to prepare ultrathin, robust nanohybrid capsules by manipulating the dynamic structure of supramolecular nanocoatings on CaCO3 sacrificial templates by incorporating a multivalent-anion substitution process into biomineralization. Above the biomineralization level, multivalent anions, for example, phosphate, sulfate, or citrate, are used to initiate the assembly of polyamine into continuous (nonsegregated) polyamine-anion supramolecular nanocoatings on CaCO3 sacrificial templates...
March 30, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28317770/characterization-enhancement-and-modelling-of-mannosylerythritol-lipid-production-by-fungal-endophyte-ceriporia-lacerate-chzju
#19
Yongwu Niu, Linlin Fan, Di Gu, Jianan Wu, Qihe Chen
The glycolipid biosurfactants mannosylerythritol lipids (MELs) attract great attention for their biodegradability, super emulsifying properties and versatile bioactivities. In this study, the MEL deriving from Ceriporia lacerate CHZJU was identified as MEL-A, and its critical micelle concentration and emulsifying activities were assessed. To examine the production of MELs from Ceriporia lacerate, a Plackett-Burman design and response surface methodology were used to optimize the culture nutrients. The optimal medium contains 1g/L yeast extract, 1...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28303936/all-passive-pixel-super-resolution-of-time-stretch-imaging
#20
Antony C S Chan, Ho-Cheung Ng, Sharat C V Bogaraju, Hayden K H So, Edmund Y Lam, Kevin K Tsia
Based on image encoding in a serial-temporal format, optical time-stretch imaging entails a stringent requirement of state-of-the-art fast data acquisition unit in order to preserve high image resolution at an ultrahigh frame rate - hampering the widespread utilities of such technology. Here, we propose a pixel super-resolution (pixel-SR) technique tailored for time-stretch imaging that preserves pixel resolution at a relaxed sampling rate. It harnesses the subpixel shifts between image frames inherently introduced by asynchronous digital sampling of the continuous time-stretch imaging process...
March 17, 2017: Scientific Reports
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