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https://www.readbyqxmd.com/read/29329621/first-parasitological-histopathological-and-molecular-characterization-of-echinococcus-vogeli-rausch-and-bernstein-1972-from-cuniculus-paca-linnaeus-1766-in-the-cerrado-biome-mato-grosso-do-sul-brazil
#1
Fernanda Bittencourt-Oliveira, Paulo Teixeira, Alba Alencar, Rodrigo Menezes, Christiane Corrêa, Leandro Neves, Fernanda Almeida, Daniel Daipert-Garcia, José Roberto Machado-Silva, Rosângela Rodrigues-Silva
Polycystic echinococcosis (PE) is caused by Echinococcus vogeli metacestodes (larval stage) in Neotropical countries. E. vogeli is trophically-transmitted between predators bush dogs (Speothos venaticus) and prey pacas (Cuniculus paca). In Brazil, reported PE cases are restricted to the Amazon biome. In this study, metacestodes from a paca hunted in Mato Grosso do Sul state (Cerrado biome) were identified morphological and histopathological techniques and further confirmed by molecular testing (sequencing of cytochrome C oxidase subunit I (cox1) gene) for the first time...
January 30, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29328330/evaluation-of-thermal-expansion-coefficient-of-carbon-fiber-reinforced-composites-using-electronic-speckle-interferometry
#2
Chengzhi Dong, Kai Li, Yuxi Jiang, Dwayne Arola, Dongsheng Zhang
An optical system for measuring the coefficient of thermal expansion (CTE) of materials has been developed based on electronic speckle interferometry. In this system, the temperature can be varied from -60°C to 180°C with a Peltier device. A specific specimen geometry and an optical arrangement based on the Michelson interferometer are proposed to measure the deformation along two orthogonal axes due to temperature changes. The advantages of the system include its high sensitivity and stability over the whole range of measurement...
January 8, 2018: Optics Express
https://www.readbyqxmd.com/read/29326173/transcriptional-regulator-zeb2-is-essential-for-bergmann-glia-development
#3
Li He, Kun Yu, Fanghui Lu, Jiajia Wang, Laiman N Wu, Chuntao Zhao, Qianmei Li, Xianyao Zhou, Hanmin Liu, Dezhi Mu, Mei Xin, Mengsheng Qiu, Q Richard Lu
Bergmann glia facilitate granule neuron migration during development and maintain the cerebellar organization and functional integrity. At present, molecular control of Bergmann glia specification from cerebellar radial glia is not fully understood. In this report, we show that Zeb2 (a.k.a. Sip1 or Zfhx1b), a Mowat-Wilson-syndrome-associated transcriptional regulator, is highly expressed in Bergmann glia, but hardly detectable in astrocytes in the cerebellum. The mice lacking Zeb2 in cerebellar radial glia exhibit severe deficits in Bergmann glia specification, and develop cerebellar cortical lamination dysgenesis and locomotion defects...
January 11, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29325401/performance-based-financing-to-strengthen-the-health-system-in-benin-challenging-the-mainstream-approach
#4
Elisabeth Paul, Mohamed Lamine Dramé, Jean-Pierre Kashala, Armand Ekambi Ndema, Marcel Kounnou, Julien Codjovi Aïssan, Karel Gyselinck
BACKGROUND: Performance-based financing (PBF) is often proposed as a way to improve health system performance. In Benin, PBF was launched in 2012 through a World Bank-supported project. The Belgian Development Agency (BTC) followed suit through a health system strengthening (HSS) project. This paper analyses and draws lessons from the experience of BTC-supported PBF alternative approach - especially with regards to institutional aspects, the role of demand-side actors, ownership, and cost-effectiveness - and explores the mechanisms at stake so as to better understand how the "PBF package" functions and produces effects...
April 15, 2017: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/29323250/a-biofilm-and-organomineralisation-model-for-the-growth-and-limiting-size-of-ooids
#5
Murray T Batchelor, Robert V Burne, Bruce I Henry, Fei Li, Josef Paul
Ooids are typically spherical sediment grains characterised by concentric layers encapsulating a core. There is no universally accepted explanation for ooid genesis, though factors such as agitation, abiotic and/or microbial mineralisation and size limitation have been variously invoked. Here we examine the possible influence of microbial organomineralisation on the formation of some naturally occurring ooids. We develop a mathematical model for ooid growth, inspired by work on avascular brain tumours, that assumes mineralisation in a biofilm to form a central core which then nucleates the progressive growth of concentric laminations...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322655/efficiency-of-er-yag-laser-in-debonding-of-porcelain-laminate-veneers-by-contact-and-non-contact-laser-application-modes-in-vitro-study
#6
Mohand ALBalkhi, Eyad Swed, Omar Hamadah
OBJECTIVE: To determine the efficiency of debonding porcelain laminate veneers (PLV) by using several laser parameters and two different application modes of Er:YAG laser [contact (CM) and non-contact (NCM)], by verification of the consumed PLV debonding time and the changes in dental pulp temperature. MATERIALS AND METHODS: Forty extracted non-carious human maxillary premolars were prepared for receiving PLV. Sixteen of them were divided into two groups, each of them comprised eight samples based on the application mode; group A with NCM, and group B with CM...
January 11, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29321459/practical-high-performance-lateral-flow-assay-based-on-autonomous-microfluidic-replacement-on-a-film
#7
Yusuke Fuchiwaki, Kenji Goya, Masato Tanaka
Although paper-based microfluidic devices are an ideal platform for point-of-care (POC) diagnostics, it is difficult to achieve microfluidic control required for sensitive analyses such as ELISA on a paper substrate. Here, we present a novel lateral-flow test chip that can perform operations similar to a pump, such as flowing, stopping, and replacing a solution, just by adding the solution onto an inlet port. The chip was fabricated by laminating paper, film, and adhesive tape. For sensitive and accurate detection in an immunoassay, the transparency and flatness of the substrate is crucial for precise analysis of weak light generated by a specific antigen-antibody reaction; however, paper is not flat and is opaque...
2018: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/29318679/magnetic-induced-piezopotential-gated-mos2-field-effect-transistor-at-room-temperature
#8
Yudong Liu, Junmeng Guo, Aifang Yu, Yang Zhang, Jinzong Kou, Ke Zhang, Rongmei Wen, Yan Zhang, Junyi Zhai, Zhong Lin Wang
Utilizing magnetic field directly modulating/turning the charge carrier transport behavior of field-effect transistor (FET) at ambient conditions is an enormous challenge in the field of micro-nanoelectronics. Here, a new type of magnetic-induced-piezopotential gated field-effect-transistor (MIPG-FET) base on laminate composites is proposed, which consists of Terfenol-D, a ferroelectric single crystal (PMNPT), and MoS2 flake. When applying an external magnetic field to the MIPG-FET, the piezopotential of PMNPT triggered by magnetostriction of the Terfenol-D can serve as the gate voltage to effectively modulate/control the carrier transport process and the corresponding drain current at room temperature...
January 10, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29318483/removal-of-lead-and-cadmium-from-aqueous-solutions-by-using-4-amino-3-hydroxynaphthalene-sulfonic-acid-doped-polypyrrole-films
#9
Mohamed Lamine Sall, Abdou Karim Diagne Diaw, Diariatou Gningue-Sall, Alexandre Chevillot-Biraud, Nihal Oturan, Mehmet Ali Oturan, Chloé Fourdrin, David Huguenot, Jean-Jacques Aaron
Water pollution by heavy metals is a great health concern worldwide. Lead and cadmium are among the most toxic heavy metals because they are dangerous for the human and aquatic lives. In this work, the removal of lead and cadmium from aqueous solutions has been studied using electrosynthesized 4-amino-3-hydroxynaphthalene-1-sulfonic acid-doped polypyrrole (AHNSA-PPy) films as a new adsorbent. Two distinct methods, including the immersion method, based on the Pb2+ and Cd2+ spontaneous removal by impregnation of the polymer in the solution, and the electro-elimination method, consisting of removal of Pb2+ and Cd2+ ions from the solution by applying a small electrical current (5 mA) to the polymer film, were developed: the evolution of Pb2+ and Cd2+ concentrations with time was monitored by inductively coupled plasma optical emission spectrometry (ICP-OES)...
January 9, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29318389/myogenic-potential-of-mesenchymal-stem-cells-isolated-from-porcine-adipose-tissue
#10
Derek J Milner, Massimo Bionaz, Elisa Monaco, Jo Ann Cameron, Matthew B Wheeler
Advances in stem cell biology and materials science have provided a basis for developing tissue engineering methods to repair muscle injury. Among stem cell populations with potential to aid muscle repair, adipose-derived mesenchymal stem cells (ASC) hold great promise. To evaluate the possibility of using porcine ASC for muscle regeneration studies, we co-cultured porcine ASC with murine C2C12 myoblasts. These experiments demonstrated that porcine ASC display significant myogenic potential. Co-culture of ASC expressing green fluorescent protein (GFP) with C2C12 cells resulted in GFP+ myotube formation, indicating fusion of ASC with myoblasts to form myotubes...
January 9, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29317431/suppression-of-activated-foxo-transcription-factors-in-the-heart-prolongs-survival-in-a-mouse-model-of-laminopathies
#11
Gaelle Auguste, Priyatansh Gurha, Raffaella Lombardi, Cristian Coarfa, James T Willerson, Ali J Marian
Rationale: Mutations in the LMNA gene, encoding nuclear inner membrane protein Lamin A/C, cause distinct phenotypes, collectively referred to as laminopathies. Heart failure, conduction defects, and arrhythmias are the common causes of death in laminopathies. Objective: To identify and therapeutically target the responsible mechanism(s) for cardiac phenotype in laminopathies. Methods and Results: Whole heart RNA sequencing was performed prior to the onset of cardiac dysfunction in the Lmna-/- and matched control mice...
January 9, 2018: Circulation Research
https://www.readbyqxmd.com/read/29315917/covalent-bonding-of-thermoplastics-to-rubbers-for-printable-reel-to-reel-processing-in-soft-robotics-and-microfluidics
#12
Jay M Taylor, Karla Perez-Toralla, Ruby Aispuro, Stephen A Morin
The lamination of mechanically stiff structures to elastic materials is prevalent in biological systems and popular in many emerging synthetic systems, such as soft robotics, microfluidics, stretchable electronics, and pop-up assemblies. The disparate mechanical and chemical properties of these materials have made it challenging to develop universal synthetic procedures capable of reliably adhering to these classes of materials together. Herein, a simple and scalable procedure is described that is capable of covalently laminating a variety of commodity ("off-the-shelf") thermoplastic sheets to silicone rubber films...
January 8, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29314449/resin-cement-correspondence-with-try-in-paste-and-influence-on-the-immediate-final-color-of-veneers
#13
Edenize Cristina Vaz, Maysa Magalhães Vaz, Érica Miranda de Torres, João Batista de Souza, Terezinha de Jesus Esteves Barata, Lawrence Gonzaga Lopes
PURPOSE: To assess the correspondence of shades between try-in pastes and resin cements and their influence on the final color of veneers. MATERIALS AND METHODS: Bovine teeth (n = 140) were prepared and divided into 2 groups (a or b) according to ceramic veneer thickness (0.35 or 0.70 mm). Seventy teeth (n = 70) were distributed in 7 groups (groups 1 to 7a and groups 1 to 7b; n = 10). Try-in pastes and their corresponding resin cements were used according to the value: groups 1a and 1b (value -3); groups 2a and 2b (-2); groups 3a and 3b (-1); groups 4a and 4b (0); groups 5a and 5b (+1); groups 6a and 6b (+2); groups 7a and 7b (+3)...
January 3, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29311549/lamin-a-c-augments-th1-differentiation-and-response-against-vaccinia-virus-and-leishmania-major
#14
Raquel Toribio-Fernández, Virginia Zorita, Vera Rocha-Perugini, Salvador Iborra, Gloria Martínez Del Hoyo, Raphael Chevre, Beatriz Dorado, David Sancho, Francisco Sanchez-Madrid, Vicente Andrés, Jose-Maria Gonzalez-Granado
Differentiation of naive CD4+ T-cells into functionally distinct T helper (Th) subsets is critical to immunity against pathogen infection. Little is known about the role of signals emanating from the nuclear envelope for T-cell differentiation. The nuclear envelope protein lamin A/C is induced in naive CD4+ T-cells upon antigen recognition and acts as a link between the nucleus and the plasma membrane during T-cell activation. Here we demonstrate that the absence of lamin A/C in naive T-cell reduces Th1 differentiation without affecting Th2 differentiation in vitro and in vivo...
January 8, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29311374/author-response-standard-operating-procedures-improve-acute-neurologic-care-in-a-sub-saharan-african-setting
#15
Klaus Fassbender, Stefan A Helwig, Lamin E S Jaiteh, Ousman Nyan
No abstract text is available yet for this article.
January 9, 2018: Neurology
https://www.readbyqxmd.com/read/29310876/effect-of-ceramic-material-and-resin-cement-systems-on-the-color-stability-of-laminate-veneers-after-accelerated-aging
#16
Seong-Min Lee, Yu-Sung Choi
STATEMENT OF PROBLEM: Laminate veneers are susceptible to color change during clinical service. Studies that compare the effects of different ceramic and resin cement systems on color stability are lacking. PURPOSE: The purpose of this in vitro study was to evaluate the color stability of laminate veneers after accelerated aging using different ceramic and resin cement systems. MATERIAL AND METHODS: Ceramic specimens (N=168; shade A1; thickness, 0...
January 5, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29306725/messages-from-the-voices-within-regulation-of-signaling-by-proteins-of-the-nuclear-lamina
#17
REVIEW
Larry Gerace, Olga Tapia
The nuclear lamina (NL) is a protein scaffold lining the nuclear envelope that consists of nuclear lamins and associated transmembrane proteins. It helps to organize the nuclear envelope, chromosomes, and the cytoplasmic cytoskeleton. The NL also has an important role in regulation of signaling, as highlighted by the wide range of human diseases caused by mutations in the genes for NL proteins with associated signaling defects. This review will consider diverse mechanisms for signaling regulation by the NL that have been uncovered recently, including interaction with signaling effectors, modulation of actin assembly and compositional alteration of the NL...
January 4, 2018: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/29306143/arsenic-adsorption-and-plant-availability-in-an-agricultural-soil-irrigated-with-as-rich-water-effects-of-fe-rich-amendments-and-organic-and-inorganic-fertilisers
#18
Elena Arco-Lázaro, Tania Pardo, Rafael Clemente, Ma Pilar Bernal
The use of As-rich water for irrigation in agricultural soils may result in As accumulation in soil and crops, with the consequent risk of its entry into the food chain. The effectiveness of three different Fe-based materials (a commercial iron oxide (Bayoxide®), lamination slag (a by-product of the hot rolling of steel) and a commercial red mud derivative (ViroBind™)) used as soil amendments to minimise the impact of irrigation with As-rich water in an agricultural soil-plant system was evaluated in a pot experiment...
January 3, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29300321/influence-of-embedding-sma-fibres-and-sma-fibre-surface-modification-on-the-mechanical-performance-of-bfrp-composite-laminates
#19
Yanfei Liu, Zhenqing Wang, Hao Li, Min Sun, Fangxin Wang, Bingjie Chen
In this paper, a new shape memory alloy (SMA) hybrid basalt fibre reinforced polymer (BFRP) composite laminate was fabricated and a new surface modification method with both silane coupling agent KH550 and Al₂O₃ nanoparticles was conducted to enhance the interface performance. The mechanical performance of BFRP composite laminates with and without SMA fibres and the influence of SMA surface modification were studied in this paper. Different SMA fibre surface treatment methods, including etching with both H₂SO₄ and NaOH, modification with the silane coupling agent KH550 and new modification method with both KH550 and Al₂O₃ nanoparticles, were conducted to enhance the bonding between the SMA fibres and polymer matrix...
January 4, 2018: Materials
https://www.readbyqxmd.com/read/29299546/implementation-of-a-plasticized-pvc-based-cation-selective-optode-system-into-a-paper-based-analytical-device-for-colorimetric-sodium-detection
#20
Hiroyuki Shibata, Terence G Henares, Kentaro Yamada, Koji Suzuki, Daniel Citterio
On the example of a colorimetric sodium assay, this work demonstrates the implementation of a classical cation-exchange optode relying on an ionophore-doped plasticized PVC membrane into a paper-based analytical device (PAD). An ion-selective optode (ISO) system has been arranged into a vertically-assembled PAD (vPAD) integrating a pH-buffering function. Capillary force-driven sample liquid transportation through the paper matrix enabled pH-adjustment prior to the optical detection of the analyte cation. Functionalized paper layers with inkjet-deposited ISO membranes were combined with whole device lamination to attain a stable ion-exchange equilibrium required for the theoretical behavior of ISOs...
January 4, 2018: Analyst
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