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https://www.readbyqxmd.com/read/28211701/disassembly-control-of-saccharide-based-amphiphiles-driven-by-electrostatic-repulsion
#1
Taihei Yamada, Kenta Kokado, Kazuki Sada
According to the design of disassembly by using electrostatic repulsion, novel amphiphiles consisting of a lipophilic ion part and a hydrophilic saccharide part were synthesized via facile copper-catalyzed click reaction, and their molecular assemblies in water and chloroform were studied. The amphiphiles exhibited molecular orientation opposite to the conventional amphiphiles in each case. ζ potential measurement indicated that the lipophilic ion part is exposed outside in chloroform. The size of solvophobic part in the amphiphiles dominates the size of assembling structure; i...
February 17, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28211670/facile-synthesis-of-unique-hexagonal-nanoplates-of-zn-co-hydroxy-sulfate-for-efficient-electrocatalytic-oxygen-evolution-reaction
#2
Soumen Dutta, Chaiti Ray, Yuichi Negishi, Tarasankar Pal
Cost-effective, highly active water oxidation catalysts are becoming increasingly demanding in the field of energy conversion and storage. Herein, simple modified hydrothermally (MHT) synthesized zinc and cobalt based hydroxyl double salt i.e., Zn4-xCoxSO4(OH)6• 0.5 H2O (ZCS) has been exfoliated for the first time as an efficient electrocatalyst for oxygen evolution reaction (OER) in alkaline medium. Morphology investigation suggests the evolution of unique hexagonal nanoplates of ZCS material. As OER catalyst, it requires only 370 and 450 mV overpotential to achieve 10 and 100 mA cm-2 current density respectively...
February 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28211312/olivibacter-composti-sp-nov-isolated-from-compost-collected-at-a-greenhouse
#3
Shih-Yao Lin, Asif Hameed, Kai-Yeh Chiu, You-Cheng Liu, Yi-Han Hsu, Wei-An Lai, Chiu-Chung Young
A polyphasic approach was used to characterize a presumably novel bacterium, designated strain CC-KYC063T, isolated from a compost sample collected at a greenhouse facility within Taiwan. Strain CC-KYC063T was Gram-stain-negative and aerobic, able to grow at 15-37 °C (optimal 30 °C), at pH 7.0-9.0 (optimal pH 7.0) and with 0-2 % (w/v) NaCl. The 16S rRNA gene sequence of strain CC-KYC063T showed highest similarity to Olivibacter ginsengisoli Gsoil 060T (96.2 %) and Olivibacter terrae Jip13T (95.5 %)...
January 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28210537/multilevel-predictors-of-colorectal-cancer-testing-modality-among-publicly-and-privately-insured-people-turning-50
#4
Stephanie B Wheeler, Tzy-Mey Kuo, Anne Marie Meyer, Christa E Martens, Kristen M Hassmiller Lich, Florence K L Tangka, Lisa C Richardson, Ingrid J Hall, Judith Lee Smith, Maria E Mayorga, Paul Brown, Trisha M Crutchfield, Michael P Pignone
Understanding multilevel predictors of colorectal cancer (CRC) screening test modality can help inform screening program design and implementation. We used North Carolina Medicare, Medicaid, and private, commercially available, health plan insurance claims data from 2003 to 2008 to ascertain CRC test modality among people who received CRC screening around their 50th birthday, when guidelines recommend that screening should commence for normal risk individuals. We ascertained receipt of colonoscopy, fecal occult blood test (FOBT) and fecal immunochemical test (FIT) from billing codes...
June 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28208890/operational-assessment-of-icds-scheme-at-grass-root-level-in-a-rural-area-of-eastern-india-time-to-introspect
#5
Jyotiranjan Sahoo, Preetam B Mahajan, Sourabh Paul, Vikas Bhatia, Abhinash K Patra, Dilip Kumar Hembram
INTRODUCTION: Integrated Child Development Service (ICDS), a flagship program of Government of India (GoI) for early childhood development hasn't delivered the desired results since its inception four decades ago. This could be due to infrastructural problems, lack of awareness and proper utilization by the local people, inadequate program monitoring and corruption in food supplies, etc. This study is an audit of 36 Anganwadi centres at Khordha district, Odisha, to evaluate the implementation of the ICDS...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208418/mixing-with-applications-to-inertial-confinement-fusion-implosions
#6
V Rana, H Lim, J Melvin, J Glimm, B Cheng, D H Sharp
Approximate one-dimensional (1D) as well as 2D and 3D simulations are playing an important supporting role in the design and analysis of future experiments at National Ignition Facility. This paper is mainly concerned with 1D simulations, used extensively in design and optimization. We couple a 1D buoyancy-drag mix model for the mixing zone edges with a 1D inertial confinement fusion simulation code. This analysis predicts that National Ignition Campaign (NIC) designs are located close to a performance cliff, so modeling errors, design features (fill tube and tent) and additional, unmodeled instabilities could lead to significant levels of mix...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208296/ultrasensitive-self-powered-aptasensor-based-on-enzyme-biofuel-cell-and-dna-bioconjugate-a-facile-and-powerful-tool-for-antibiotic-residue-detection
#7
Panpan Gai, Chengcheng Gu, Ting Hou, Feng Li
Herein, we reported a novel ultrasensitive one-compartment enzyme biofuel cells (EBFCs)-based self-powered aptasensing platform for antibiotic residue detection. By taking full advantage of the unique features of both EBFCs-based self-powered sensors and aptamers, the as-proposed aptasensing platform has the merits of simple instrumentation, anti-interference ability, high selectivity, and low cost. In this study, DNA bioconjugate, i.e., SiO2@gold nanoparticles-complementary strand of aptamer (SiO2@AuNPs-csDNA), was elaborately designed and played a key role in blocking the mass transport of glucose to the bioanode...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28208260/simultaneous-enhancement-of-bioactivity-and-stability-of-laccase-by-cu-2-paa-ppega-matrix-for-efficient-biosensing-and-recyclable-decontamination-of-pyrocatechol
#8
Tao Chen, Yuanhong Xu, Zhi Peng, Aihua Li, Jingquan Liu
Simultaneously enhancing the catalytic bioactivity and stability of enzyme is still an intractable issue in the enzymatic study. Herein, a facile and effective approach was designed to immobilize and modify laccase on a Cu(2+)-adsorbed pyrene-terminated block copolymer [poly(acrylic acid)/poly(poly(ethylene glycol) acrylate)] (PAA/PPEGA), which was prepared via well-controlled reversible addition-fragmentation chain transfer polymerization. PAA provided the supporting matrix for firm immobilization of Cu(2+), an enzyme bioactivity inducer, onto the microstructure of laccase, while avoiding any contamination of the heavy metal Cu(2+) into the following application system...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28208250/simultaneous-voltammetric-determination-of-acetaminophen-and-isoniazid-hepatotoxicity-related-drugs-utilizing-bismuth-oxide-nanorod-modified-screen-printed-electrochemical-sensing-platforms
#9
Bahaa G Mahmoud, Mohamed Khairy, Farouk A Rashwan, Craig E Banks
To overcome the recent outbreaks of hepatotoxicity-related drugs, a new analytical tool for the continuously determination of these drugs in human fluids is required. Electrochemical-based analytical methods offer an effective, rapid, and simple tool for on-site determination of various organic and inorganic species. However, the design of a sensitive, selective, stable, and reproducible sensor is still a major challenge. In the present manuscript, a facile, one-pot hydrothermal synthesis of bismuth oxide (Bi2O2...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28207758/an-improved-schlieren-method-for-measurement-and-automatic-reconstruction-of-the-far-field-focal-spot
#10
Zhengzhou Wang, Bingliang Hu, Qinye Yin
The schlieren method of measuring far-field focal spots offers many advantages at the Shenguang III laser facility such as low cost and automatic laser-path collimation. However, current methods of far-field focal spot measurement often suffer from low precision and efficiency when the final focal spot is merged manually, thereby reducing the accuracy of reconstruction. In this paper, we introduce an improved schlieren method to construct the high dynamic-range image of far-field focal spots and improve the reconstruction accuracy and efficiency...
2017: PloS One
https://www.readbyqxmd.com/read/28206981/mno2-g-c3n4-nanocomposite-with-highly-enhanced-supercapacitor-performance
#11
Xueting Chang, Xinxin Zhai, Shibin Sun, Danxia Gu, Lihua Dong, Yansheng Yin, Yanqiu Zhu
A novel sandwich-like MnO2/g-C3N4 nanocomposite (NC) based on the integration of high-density MnO2 nanorods (NRs) onto the surfaces of two-dimensional (2D) g-C3N4 sheets has been successfully fabricated through a facile soft chemical route at low temperature. The MnO2/g-C3N4 NC electrode enhanced the supercapacitor (SC) performance, benchmarked against both the bare MnO2 NRs electrode and the MnO2/graphene oxide (GO) NC electrode, exhibiting high specific capacitance of 211 F/g at a current density of 1 A/g, with good rate capacity and cycling stability...
February 16, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28205309/a-feasibility-study-of-a-deuterium-deuterium-neutron-generator-based-boron-neutron-capture-therapy-system-for-treatment-of-brain-tumors
#12
Mindy Hsieh, Yingzi Liu, Farshad Mostafaei, Jean M Poulson, Linda H Nie
PURPOSE: Boron neutron capture therapy (BNCT) is a binary treatment modality that uses high LET particles to achieve tumor cell killing. Deuterium-deuterium (DD) compact neutron generators have advantages over nuclear reactors and large accelerators as the BNCT neutron source, such as their compact size, low cost, and relatively easy installation. The purpose of this study is to design a beam shaping assembly (BSA) for a DD neutron generator and assess the potential of a DD-based BNCT system using Monte Carlo (MC) simulations...
February 2017: Medical Physics
https://www.readbyqxmd.com/read/28202089/suicidal-ideation-and-behaviour-among-community-and-health-care-seeking-populations-in-five-low-and-middle-income-countries-a-cross-sectional-study
#13
M Jordans, S Rathod, A Fekadu, G Medhin, F Kigozi, B Kohrt, N Luitel, I Petersen, R Shidhaye, J Ssebunnya, V Patel, C Lund
: Aims Suicidal behaviour is an under-reported and hidden cause of death in most low- and middle-income countries (LMIC) due to lack of national systematic reporting for cause-specific mortality, high levels of stigma and religious or cultural sanctions. The lack of information on non-fatal suicidal behaviour (ideation, plans and attempts) in LMIC is a major barrier to design and implementation of prevention strategies. This study aims to determine the prevalence of non-fatal suicidal behaviour within community- and health facility-based populations in LMIC...
February 16, 2017: Epidemiology and Psychiatric Sciences
https://www.readbyqxmd.com/read/28199861/the-vato-project-development-and-validation-of-a-dynamic-transfer-model-of-tritium-in-grassland-ecosystem
#14
S Le Dizès, C Aulagnier, D Maro, M Rozet, F Vermorel, D Hébert, C Voiseux, L Solier, C Godinot, B Fievet, P Laguionie, O Connan, O Cazimajou, M Morillon
In this paper, a dynamic compartment model with a high temporal resolution has been investigated to describe tritium transfer in grassland ecosystems exposed to atmospheric (3)H releases from nuclear facilities under normal operating or accidental conditions. TOCATTA-χ model belongs to the larger framework of the SYMBIOSE modelling and simulation platform that aims to assess the fate and transport of a wide range of radionuclides in various environmental systems. In this context, the conceptual and mathematical models of TOCATTA-χ have been designed to be relatively simple, minimizing the number of compartments and input parameters required...
February 12, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28199131/how-satisfied-are-patients-with-their-radiologists-assessment-using-a-national-patient-ratings-website
#15
Luke A Ginocchio, Richard Duszak, Andrew B Rosenkrantz
OBJECTIVE: The purpose of this study is to assess features of patient satisfaction scores for U.S. radiologists using a popular physician rating website. MATERIALS AND METHODS: Patient reviews were retrieved from the website RateMDs for all listed radiologists in all 297 U.S. cities with population 100,000 or greater. Reviews included rating scores of 1-5 (5 = highest) in four categories (staff, punctuality, knowledge, and helpfulness). Additional physician information was obtained from Medicare files...
February 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28196574/applying-the-social-ecological-model-and-theory-of-self-efficacy-in-the-worksite-heart-health-improvement-project-plus
#16
Kelly Doran, Barbara Resnick, Natalie Kim, Donna Lynn, Tyrell McCormick
BACKGROUND: Long-term care (LTC) employees are at high risk for cardiovascular disease. Despite the documented benefits of worksite health promotion (WHP) programs for employees and employers and the potential benefits to residents in LTC facilities, LTC employees are rarely offered WHP programs. PURPOSE: The purpose of the intervention described in this article is to reduce cardiovascular disease risk factors among LTC workers using a physical activity, nutrition, and stress management WHP implemented during paid work time with 98 LTC staff members...
February 1, 2017: Research and Theory for Nursing Practice
https://www.readbyqxmd.com/read/28196113/chasm-in-primary-care-provision-in-a-universal-health-system-findings-from-a-nationally-representative-survey-of-health-facilities-in-malaysia
#17
Huy Ming Lim, Sheamini Sivasampu, Ee Ming Khoo, Kamaliah Mohamad Noh
BACKGROUND: Malaysia has achieved universal health coverage since 1980s through the expansion of direct public provision, particularly in rural areas. However, no systematic examination of the rural-urban distribution of primary care services and resources has been conducted to date for policy impact evaluation. METHODS: We conducted a national cross-sectional survey of 316 public and 597 private primary care clinics, selected through proportionate stratified random sampling, from June 2011 through February 2012...
2017: PloS One
https://www.readbyqxmd.com/read/28196105/adaptive-geostatistical-sampling-enables-efficient-identification-of-malaria-hotspots-in-repeated-cross-sectional-surveys-in-rural-malawi
#18
Alinune N Kabaghe, Michael G Chipeta, Robert S McCann, Kamija S Phiri, Michèle van Vugt, Willem Takken, Peter Diggle, Anja D Terlouw
INTRODUCTION: In the context of malaria elimination, interventions will need to target high burden areas to further reduce transmission. Current tools to monitor and report disease burden lack the capacity to continuously detect fine-scale spatial and temporal variations of disease distribution exhibited by malaria. These tools use random sampling techniques that are inefficient for capturing underlying heterogeneity while health facility data in resource-limited settings are inaccurate...
2017: PloS One
https://www.readbyqxmd.com/read/28194416/reported-male-circumcision-practices-in-a-muslim-majority-setting
#19
Abdul Wahid Anwer, Lubna Samad, Sundus Iftikhar, Naila Baig-Ansari
Introduction. Male circumcision is a recommended practice in Muslim tradition. It is important to ensure that this procedure is performed as safely as possible in these communities. Methods. Five hundred adult men and women with at least one male child less than 18 years were interviewed in Karachi, Pakistan, regarding details of their child's circumcision. The survey focused on actual and perceived delays in circumcision and perceptions about appropriate age and reasons and benefits and complications of the procedure...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28193108/implementing-target-value-design
#20
Thais da C L Alves, Will Lichtig, Zofia K Rybkowski
An alternative to the traditional way of designing projects is the process of target value design (TVD), which takes different departure points to start the design process. The TVD process starts with the client defining an allowable cost that needs to be met by the design and construction teams. An expected cost in the TVD process is defined through multiple interactions between multiple stakeholders who define wishes and others who define ways of achieving these wishes. Finally, a target cost is defined based on the expected profit the design and construction teams are expecting to make...
January 1, 2017: HERD
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