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https://www.readbyqxmd.com/read/28440543/registered-nurses-perceptions-regarding-nurse-led-antiretroviral-therapy-initiation-in-hhohho-region-swaziland
#1
A H Mavhandu-Mudzusi, P T Sandy, A Hettema
BACKGROUND: Swaziland has the highest HIV prevalence globally. It faces a critical shortage of health workers for addressing the HIV pandemic. To curb this human resource challenge, Swaziland adopted a nurse-driven model for antiretroviral therapy delivery in line with the recommendations of the World Health Organization on task shifting. OBJECTIVE: The study explored the perceptions of registered nurses on the nurse-led antiretroviral therapy initiation programme in the Hhohho region of Swaziland (NARTIS)...
April 25, 2017: International Nursing Review
https://www.readbyqxmd.com/read/28440271/two-dimensional-mo1-33c-mxene-with-divacancy-ordering-prepared-from-parent-3d-laminate-with-in-plane-chemical-ordering
#2
Quanzheng Tao, Martin Dahlqvist, Jun Lu, Sankalp Kota, Rahele Meshkian, Joseph Halim, Justinas Palisaitis, Lars Hultman, Michel W Barsoum, Per O Å Persson, Johanna Rosen
The exploration of two-dimensional solids is an active area of materials discovery. Research in this area has given us structures spanning graphene to dichalcogenides, and more recently 2D transition metal carbides (MXenes). One of the challenges now is to master ordering within the atomic sheets. Herein, we present a top-down, high-yield, facile route for the controlled introduction of ordered divacancies in MXenes. By designing a parent 3D atomic laminate, (Mo2/3Sc1/3)2AlC, with in-plane chemical ordering, and by selectively etching the Al and Sc atoms, we show evidence for 2D Mo1...
April 25, 2017: Nature Communications
https://www.readbyqxmd.com/read/28438155/the-malaria-testing-and-treatment-landscape-in-the-southern-lao-people-s-democratic-republic-pdr
#3
Saysana Phanalasy
BACKGROUND: In the context of national and regional goals to eliminate malaria by 2030, the Center for Malaria Parasitology and Entomology in the Lao PDR is implementing strategies to ensure all malaria cases are detected and appropriately treated with first-line artemisinin combination therapy, artemether-lumefantrine (AL). Timely and relevant evidence to inform policies and strategies is needed to ensure the most effective and efficient use of resources, and to accelerate progress towards elimination goals...
April 25, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28438146/correlates-associated-with-participation-in-physical-activity-among-adults-a-systematic-review-of-reviews-and-update
#4
Jaesung Choi, Miyoung Lee, Jong-Koo Lee, Daehee Kang, Ji-Yeob Choi
BACKGROUND: Understanding which factors influence participation in physical activity is important to improve the public health. The aim of the present review of reviews was to summarize and present updated evidence on personal and environmental factors associated with physical activity. METHODS: MEDLINE and EMBASE were searched for reviews published up to 31 Jan. 2017 reporting on potential factors of physical activity in adults aged over 18 years. The quality of each review was appraised with the Assessing the Methodological Quality of Systematic Reviews (AMSTAR) checklist...
April 24, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28438107/accessing-care-summaries-at-point-of-care-implementation-of-mobile-devices-for-personal-carers-in-aged-care
#5
Rachel E Brimelow, Annie Gibney, Suzanne Meakin, Judy A Wollin
Continued development of mobile technology now allows access to information at the point-of-care. This study was conducted to evaluate the use of one such tool on a mobile device, from the carer perspective. Caregivers across 12 aged-care facilities were supplied mobile devices to access a Picture Care Plan (PCP), a specific tool designed around the role of the personal carer. An anonymous questionnaire was subsequently completed by 85 carers with questions relating to participants' experience. Perceived helpfulness of the PCP at the point-of-care was high (87%)...
April 1, 2017: Health Informatics Journal
https://www.readbyqxmd.com/read/28437171/psychological-benefits-of-yoga-for-female-inmates
#6
Yoika Danielly, Colin Silverthorne
Female inmates involved in the Yoga Prison Project at two correctional facilities in South Carolina served as subjects. Inmates were selected from those who applied to participate in a ten-week trauma-focused yoga program. To create control and experimental groups, inmates who requested to participate were randomly assigned to be in the class (Treatment Group, n = 33) or a waitlist (Control Group, n = 17). Inmates on the waitlist subsequently joined the next class, so all who applied and were eligible participated in a yoga class...
April 24, 2017: International Journal of Yoga Therapy
https://www.readbyqxmd.com/read/28436543/facile-formation-of-a-solid-electrolyte-interface-as-a-smart-blocking-layer-for-high-stability-sulfur-cathode
#7
Junling Guo, Xinyu Du, Xiaolong Zhang, Fengxiang Zhang, Jinping Liu
The practical application of lithium-sulfur batteries (LSBs) is hindered by their poor cycle life, which stems mainly from the "redox shuttle reactions" of dissolved polysulfides. To develop a high-performance cathode for LSBs, encapsulation of polysulfides with a blocking layer is potentially straightforward. Herein, a novel strategy is reported encapsulate sulfur and the electrolyte together in porous carbon spheres by using a solid electrolyte interface (SEI) that can selectively sieve Li(+) ions while efficiently avoiding polysulfide accumulation and suppressing undesired polysulfide migration...
April 24, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28436382/template-free-fabrication-of-graphene-wrapped-mesoporous-znmn2o4-nanorings-as-anode-materials-for-lithium-ion-batteries
#8
Weiwei Zhou, Dong Wang, Limin Zhao, Chunyan Ding, Xingtao Jia, Yu Du, Guangwu Wen, Huatao Wang
We rationally designed a facile two-step approach to synthesize ZnMn2O4@G composite anode material for lithium-ion batteries (LIBs), involving a template-free fabrication of ZnMn2O4 nanorings and subsequent coating of graphene sheets. Notably, it is the first time that ring-like ZnMn2O4 nanostructure is reported. Moreover, our system has been demonstrated to be quite powerful in producing ZnMn2O4 nanorings regardless of the types of Zn and Mn-containging metal salts reactants. The well-known inside-out Ostwald ripening process is tentatively proposed to clarify the formation mechanism of the hollow nanorings...
April 24, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28433941/self-assembled-dual-responsive-micelles-stabilized-with-protein-for-co-delivery-of-drug-and-sirna-in-cancer-therapy
#9
M R Aji Alex, Chetan Nehate, Srivani Veeranarayanan, D Sakthi Kumar, Ritu Kulshreshtha, Veena Koul
Design of safe and efficient vehicles for the combinatorial delivery of drugs and genetic agents is an emerging requisite for achieving enhanced therapeutic effect in cancer. Even though several nanoplatforms have been explored for the co-delivery of drugs and genetic materials the translation of these systems to clinical phase is still a challenge, mainly due to tedious synthesis procedures, lack of serum stability, inefficient scalability etc. Here in, we report development of reduction and pH sensitive polymeric graft of low molecular weight poly (styrene -alt -maleic anhydride) and evaluation of its efficacy in co-delivering drug and siRNA...
April 17, 2017: Biomaterials
https://www.readbyqxmd.com/read/28433787/facile-encapsulation-of-hydroxycamptothecin-nanocrystals-into-zein-based-nanocomplexes-for-active-targeting-drug-delivery-and-cell-imaging
#10
Hongdi Wang, Wei Zhu, Yunna Huang, Zhixian Li, Yanbin Jiang, Qiuling Xie
Nano-drug delivery systems that integrate inorganic and organic or even bioactive components into a single nanoscale platform are playing a greatly important role in cancer treatment. Here, the fabrication of a versatile nanocarrier based on self-assembled structures of gold nanoparticles (AuNPs)-zein is reported, which displays high drug-loading efficiency for needle-shaped hydroxycamptothecin (HCPT) nanocrystals. The surface modification with folate-conjugated polydopamine (PFA) renders them stable and also facilitates their selective cellular internalization and enhancement of endocytosis...
April 19, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28433496/a-novel-storage-system-for-cryoem-samples
#11
Giovanna Scapin, Winifred Prosise, Michael K Wismer, Corey Strickland
We present here a new CryoEM grid boxes storage system designed to simplify sample labeling, tracking and retrieval. The system is based on the crystal pucks widely used by the x-ray crystallographic community for storage and shipping of crystals. This system is suitable for any cryoEM laboratory, but especially for large facilities that will need accurate tracking of large numbers of samples coming from different sources.
April 19, 2017: Journal of Structural Biology
https://www.readbyqxmd.com/read/28433330/bivalent-rlp2086-trumenba%C3%A2-development-of-a-well-characterized-vaccine-through-commercialization
#12
Khurram Sunasara, John Cundy, Sriram Srinivasan, Brad Evans, Weiqiang Sun, Scott Cook, Eric Bortell, John Farley, Daniel Griffin, Michele Bailey Piatchek, Katherine Arch-Douglas
The phrase "Process is the Product" is often applied to biologics, including multicomponent vaccines composed of complex components that evade complete characterization. Vaccine production processes must be defined and locked early in the development cycle to ensure consistent quality of the vaccine throughout scale-up, clinical studies, and commercialization. This approach of front-loading the development work helped facilitate the accelerated approval of the Biologic License Application for the well-characterized vaccine bivalent rLP2086 (Trumenba®, Pfizer Inc) in 2014 under Breakthrough Therapy Designation...
April 19, 2017: Vaccine
https://www.readbyqxmd.com/read/28433059/an-entropy-driven-signal-amplifying-strategy-for-real-time-monitoring-of-dna-methylation-process-and-high-throughput-screening-of-methyltransferase-inhibitors
#13
Siyi Chen, Huan Ma, Wang Li, Zhou Nie, Shouzhuo Yao
Based on the entropy-driven toehold-mediated hairpin displacement (ETHDA), a facile and sensitive one-step fluorescence sensing platform has been proposed for the evaluation DNA methylation process catalyzed by methyltransferase (MTase). In this designed system, a hairpin probe is methylated by DNA adenine methylation (Dam) MTase and cleaved by DpnI endonuclease successively, liberating a catalyzer strand to initiate the signal amplification. The fluorescence intensity is increasing upon the catalyzer strand triggered circulating procedure of the ETHDA process...
June 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28433017/correlation-of-the-fragility-of-metallic-liquids-with-the-high-temperature-structure-volume-and-cohesive-energy
#14
A K Gangopadhyay, C E Pueblo, R Dai, M L Johnson, R Ashcraft, D Van Hoesen, M Sellers, K F Kelton
The thermal expansion coefficients, structure factors, and viscosities of twenty-five equilibrium and supercooled metallic liquids have been measured using an electrostatic levitation (ESL) facility. The structure factor was measured at the Advanced Photon Source, Argonne, using the ESL. A clear connection between liquid fragility and structural and volumetric changes at high temperatures is established; the observed changes are larger for the more fragile liquids. It is also demonstrated that the fragility of metallic liquids is determined to a large extent by the cohesive energy and is, therefore, predictable...
April 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28432971/voids-padding-induced-further-enhancement-in-photocatalytic-performance-of-porous-graphene-like-carbon-nitride
#15
Guohui Dong, Dong Chen, Jianmin Luo, Yunqing Zhu, Yubin Zeng, Chuanyi Wang
Design of 2-Dimensional nanostructured photocatalyst is an effective way to improve the photocatalytic activity of its bulk counterpart. However, the remaining (or newborn) drawbacks, such as enlarged band gap and the surface recombination of photogenerated charge carries, extremely limited the practical application of nanosheeted photocatalysts in solar energy conversion. In this study, we demonstrated that the voids padding with NH4Cl can eliminate part of quantum size effect to reduce the band gap of nanosheeted carbon nitride...
April 12, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28432929/performance-testing-of-the-neutron-flux-monitors-from-10kev-to-1mev-developed-for-bnct-a-preliminary-study
#16
Xingcai Guan, Masanobu Manabe, Shingo Tamaki, Fuminobu Sato, Isao Murata, Tieshan Wang
The neutron flux monitors from 10keV to 1MeV designed for boron neutron capture therapy (BNCT) were experimentally tested with prototype monitors in an appropriate neutron field produced at the intense deuterium-tritium neutron source facility OKTAVIAN of Osaka University, Japan. The experimental test results and related analysis indicated that the performance of the monitors was good and the neutron fluxes from 10keV to 1MeV of practical BNCT neutron sources can be measured within 10% by the monitors.
April 12, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28431336/beam-induced-back-streaming-electron-suppression-analysis-for-an-accelerator-type-neutron-generator-designed-for-40-ar-39-ar-geochronology
#17
Cory Waltz, Mauricio Ayllon, Tim Becker, Lee Bernstein, Ka-Ngo Leung, Leo Kirsch, Paul Renne, Karl Van Bibber
A facility based on a next-generation, high-flux D-D neutron generator has been commissioned and it is now operational at the University of California, Berkeley. The current generator designed for (40)Ar/(39)Ar dating of geological materials produces nearly monoenergetic 2.45MeV neutrons at outputs of 10(8)n/s. The narrow energy range is advantageous relative to the (235)U fission spectrum neutrons due to (i) reduced (39)Ar recoil energy, (ii) minimized production of interfering argon isotopes from K, Ca, and Cl, and (iii) reduced total activity for radiological safety and waste generation...
April 13, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28431216/synthesis-and-loading-dependent-characteristics-of-nitrogen-doped-graphene-foam-carbon-nanotube-manganese-oxide-ternary-composite-electrodes-for-high-performance-supercapacitors
#18
Tao Cheng, Baozhi Yu, Linli Cao, Huiyun Tan, Xinghua Li, Xinliang Zheng, Weilong Li, Zhaoyu Ren, Jinbo Bai
The ternary composite electrodes, nitrogen-doped graphene foam/carbon nanotube/manganese dioxide (NGF/CNT/MnO2), have been successfully fabricated via chemical vapor deposition (CVD) and facile hydrothermal method. The morphologies of the MnO2 nanoflakes presented the loading-dependent characteristics and the nanoflake thickness could also be tuned by MnO2 mass loading in the fabrication process. The correlation between their morphology and electrochemical performance was systematically investigated by controlling MnO2 mass loading in the ternary composite electrodes...
April 18, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28431049/nest-use-and-patterns-of-egg-laying-and-damage-by-4-strains-of-laying-hens-in-an-aviary-system1
#19
S Villanueva, A B A Ali, D L M Campbell, J M Siegford
Laying hens are strongly motivated to use nests for egg laying, and alternative production systems (e.g., aviaries) provide artificial sites to meet this need and ensure efficient collection of clean, undamaged eggs. However, nests are typically not provided to allow simultaneous use by all hens; therefore, competition or mislaid eggs can result. To understand the influence of strain on laying eggs outside nests and damage to eggs, we compared daily patterns of nests use and egg laying among 4 laying hen strains (Hy-Line Brown (HB), Bovans Brown (BB), DeKalb White (DW), and Hy-Line W36 (W36))...
April 20, 2017: Poultry Science
https://www.readbyqxmd.com/read/28430964/metalims-a-simple-open-source-laboratory-information-management-system-for-small-metagenomic-labs
#20
Cassie Elizabeth Heinle, Nicolas Paul Eugène Gaultier, Dana Miller, Rikky Wenang Purbojati, Federico M Lauro
BACKGROUND: As the cost of sequencing continues to fall, smaller groups increasingly initiate and manage larger sequencing projects and take on the complexity of data storage for high volumes of samples. This has created a need for low-cost laboratory information management systems (LIMS) that contain flexible fields to accommodate the unique nature of individual labs. Many labs do not have a dedicated IT position, so LIMS must also be easy to setup and maintain with minimal technical proficiency...
April 18, 2017: GigaScience
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