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https://www.readbyqxmd.com/read/28340525/enhanced-dielectric-environment-sensitivity-of-surface-plasmon-polariton-in-the-surface-barrier-heterostructures-based-on-corrugated-thin-metal-films-with-quasi-anticorrelated-interfaces
#1
Alexander V Korovin, Nicolas L Dmitruk, Sergii V Mamykin, Viktor I Myn'ko, Mariya V Sosnova
A new approach to the formation of a 1D planar periodicity on the front of a plasmonic photodetector based on Schottky barrier is proposed. It allows forming a 1D planar periodicity with corrugation at the "metal/environment" interface by laser interference lithography using embedded chalcogenide wires, whereas the "metal/semiconductor" interface is flat that leads to reducing of surface recombination losses at Shottky barrier in contrary to the conventional technology for forming corrugated metal films on the semiconductor surface requiring chemical etching of the semiconductor substrate...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28339300/genetic-manipulation-by-zinc-finger-nucleases-in-rat-induced-pluripotent-stem-cells
#2
Sheng Yang, Shufang Ding, Qianhua Xu, Xiong Li, Qiong Xiong
Induced pluripotent stem cells (iPSCs) have an extensive application in regenerative medicine, pharmaceutical discovery, and basic research. With the recent derivation of rat iPSCs, it is now feasible to apply genetic manipulation in this species. But such tools do not yet exist for many rat strains, especially for disease model rat. The Sprague Dawley (SD) rat is an inbred disease model for hypertension, nephropathy, pulmonary hypertension, depression, and alcohol consumption. In this study, the SD rat iPSCs were generated using lentiviral method...
March 24, 2017: Cellular Reprogramming
https://www.readbyqxmd.com/read/28338392/the-effects-of-low-intensity-therapeutic-ultrasound-litus-on-measurable-outcomes-a-critically-appraised-topic
#3
Sarah Daniels, Gabriela Santiago, Jennifer Cuchna, Bonnie Van Lunen
Therapeutic Ultrasound (US) is a popular modality among healthcare professionals and is used to treat a variety of musculoskeletal conditions.(1) Throughout the past 70 years of clinical use,(2) ultrasound has been shown to be an effective way to decrease pain,(2,3) increase tissue temperature,(4) and decrease tissue stiffness of trigger points,(5) amidst other benefits. Treatment parameters with US are typically high-intensity and occur over a short period of time (minutes). The US machine is large and stationary, forcing patients to be non-mobile for the duration of their treatment...
March 24, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28338312/engineering-nanoscale-iron-oxides-for-uranyl-sorption-and-separation-optimization-of-particle-core-size-and-bilayer-surface-coatings
#4
Wenlu Li, Lyndsay D Troyer, Seung Soo Lee, Jiewei Wu, Changwoo Kim, Brandon J Lafferty, Jeffrey G Catalano, John D Fortner
Herein, we describe engineered superparamagnetic iron oxide nanoparticles (IONPs) as platform materials for enhanced uranyl (UO22+) sorption and separation processes under environmentally relevant conditions. Specifically, monodispersed 8-25 nm iron oxide (magnetite, Fe3O4) nanoparticles with tailored organic acid bilayered coatings have been systematically evaluated and optimized to bind, and thus remove, uranium, from water. The combined non-hydrolytic synthesis and bilayer phase transfer material preparation methods yield highly uniform and surface tailorable IONPs, which allow us to directly evaluate the size-dependent and coating-dependent sorption capacities of IONPs...
March 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28338198/the-expression-of-sirt3-in-primary-hepatocellular-carcinoma-and-the-mechanism-of-its-tumor-suppressing-effects
#5
Y Liu, Y-L Liu, W Cheng, X-M Yin, B Jiang
OBJECTIVE: To observe the SIRT 3 expression in primary hepatocellular carcinoma (HCC), and then establish the eukaryotic expression vector of SIRT3 to observe the proliferation and apoptosis of pZsGreen-c1-SIRT3 HepG2 cells. Furthermore, we explored the mechanism of SIRT3 in inhibiting HCC. PATIENTS AND METHODS: Immunohistochemistry was used to detect the expression of SIRT3 in the tumor tissue and para-tumor tissue in 32 patients with HCC and the normal liver tissue in 10 patients...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28336860/light-emission-intensities-of-luminescent-y%C3%A2-o%C3%A2-eu-and-gd%C3%A2-o%C3%A2-eu-particles-of-various-sizes
#6
Jens Adam, Wilhelm Metzger, Marcus Koch, Peter Rogin, Toon Coenen, Jennifer S Atchison, Peter König
There is great technological interest in elucidating the effect of particle size on the luminescence efficiency of doped rare earth oxides. This study demonstrates unambiguously that there is a size effect and that it is not dependent on the calcination temperature. The Y₂O₃:Eu and Gd₂O₃:Eu particles used in this study were synthesized using wet chemistry to produce particles ranging in size between 7 nm and 326 nm and a commercially available phosphor. These particles were characterized using three excitation methods: UV light at 250 nm wavelength, electron beam at 10 kV, and X-rays generated at 100 kV...
January 25, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28336368/novel-strategies-in-the-oral-delivery-of-antidiabetic-peptide-drugs-insulin-glp-1-and-its-analogs
#7
REVIEW
Ruba Ismail, Ildikó Csóka
As diabetes is a complex disorder being a major cause of mortality and morbidity in epidemic rates, continuous research has been done on new drug types and administration routes. Up to now, a large number of therapeutic peptides have been produced to treat diabetes including insulin, glucagon-like peptide-1 (GLP-1) and its analogs. The most common route of administration of these antidiabetic peptides is parenteral. Due to several drawbacks associated with this invasive route, delivery of these antidiabetic peptides by the oral route has been a goal of pharmaceutical technology for many decades...
March 21, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28335790/physical-mechanism-and-modeling-of-heat-generation-and-transfer-in-magnetic-fluid-hyperthermia-through-n%C3%A3-elian-and-brownian-relaxation-a-review
#8
REVIEW
Suriyanto, E Y K Ng, S D Kumar
Current clinically accepted technologies for cancer treatment still have limitations which lead to the exploration of new therapeutic methods. Since the past few decades, the hyperthermia treatment has attracted the attention of investigators owing to its strong biological rationales in applying hyperthermia as a cancer treatment modality. Advancement of nanotechnology offers a potential new heating method for hyperthermia by using nanoparticles which is termed as magnetic fluid hyperthermia (MFH). In MFH, superparamagnetic nanoparticles dissipate heat through Néelian and Brownian relaxation in the presence of an alternating magnetic field...
March 23, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28335630/the-design-prototyping-and-formative-evaluation-of-an-assistive-robotic-table-art-for-stroke-patients
#9
Anthony L Threatt, Jessica Merino, Johnell O Brooks, Stan Healy, Constance Truesdail, Joseph Manganelli, Ian Walker, Keith Evan Green
OBJECTIVE: This article presents the results of an exploratory study in which 14 healthcare subject matter experts (H-SMEs) in addition to four research and design subject matter experts (RD-SMEs) at a regional rehabilitation hospital engaged in a series of complementary, participatory activities in order to design an assistive robotic table (ART). BACKGROUND: As designers, human factor experts, and healthcare professionals continue to work to integrate assistive human-robot technologies in healthcare, it is imperative to understand how the technology affects patient care from clinicians' perspectives...
April 2017: HERD
https://www.readbyqxmd.com/read/28335492/novel-approach-for-the-recognition-and-prediction-of-multi-function-radar-behaviours-based-on-predictive-state-representations
#10
Jian Ou, Yongguang Chen, Feng Zhao, Jin Liu, Shunping Xiao
The extensive applications of multi-function radars (MFRs) have presented a great challenge to the technologies of radar countermeasures (RCMs) and electronic intelligence (ELINT). The recently proposed cognitive electronic warfare (CEW) provides a good solution, whose crux is to perceive present and future MFR behaviours, including the operating modes, waveform parameters, scheduling schemes, etc. Due to the variety and complexity of MFR waveforms, the existing approaches have the drawbacks of inefficiency and weak practicability in prediction...
March 19, 2017: Sensors
https://www.readbyqxmd.com/read/28335278/recent-prospects-in-the-inline-monitoring-of-nanocomposites-and-nanocoatings-by-optical-technologies
#11
REVIEW
Elodie Bugnicourt, Timothy Kehoe, Marcos Latorre, Cristina Serrano, Séverine Philippe, Markus Schmid
Nanostructured materials have emerged as a key research field in order to confer materials with unique or enhanced properties. The performance of nanocomposites depends on a number of parameters, but the suitable dispersion of nanoparticles remains the key in order to obtain the full nanocomposites' potential in terms of, e.g., flame retardance, mechanical, barrier, thermal properties, etc. Likewise, the performance of nanocoatings to obtain, for example, tailored surface affinity with selected liquids (e.g...
August 19, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335222/effects-of-atomization-injection-on-nanoparticle-processing-in-suspension-plasma-spray
#12
Hong-Bing Xiong, Cheng-Yu Zhang, Kai Zhang, Xue-Ming Shao
Liquid atomization is applied in nanostructure dense coating technology to inject suspended nano-size powder materials into a suspension plasma spray (SPS) torch. This paper presents the effects of the atomization parameters on the nanoparticle processing. A numerical model was developed to simulate the dynamic behaviors of the suspension droplets, the solid nanoparticles or agglomerates, as well as the interactions between them and the plasma gas. The plasma gas was calculated as compressible, multi-component, turbulent jet flow in Eulerian scheme...
May 20, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334832/the-n-glycosylation-of-immunoglobulin-g-as-a-novel-biomarker-of-parkinson-s-disease
#13
Alyce C Russell, Mirna Šimurina, Monique T Garcia, Mislav Novokmet, Youxin Wang, Igor Rudan, Harry Campbell, Gordan Lauc, Meghan G Thomas, Wei Wang
The use of the emerging "omics" technologies for large scale population screening is promising in terms of predictive, preventive and personalized medicine. For Parkinson's disease, it is essential that an accurate diagnosis is obtained and disease progression can be monitored. Immunoglobulin G (IgG) has the ability to exert both anti-inflammatory and pro-inflammatory effects, and the N-glycosylation of the fragment crystallizable portion of IgG is involved in this process. This study aimed to determine whether the IgG glycome could be a candidate biomarker for Parkinson's disease...
March 17, 2017: Glycobiology
https://www.readbyqxmd.com/read/28334696/effects-of-hypergravity-on-the-angiogenic-potential-of-endothelial-cells
#14
Raquel Costa-Almeida, Daniel T O Carvalho, Miguel J S Ferreira, Guilherme Aresta, Manuela E Gomes, Jack J W A van Loon, Kim Van der Heiden, Pedro L Granja
Angiogenesis, the formation of blood vessels from pre-existing ones, is a key event in pathology, including cancer progression, but also in homeostasis and regeneration. As the phenotype of endothelial cells (ECs) is continuously regulated by local biomechanical forces, studying endothelial behaviour in altered gravity might contribute to new insights towards angiogenesis modulation. This study aimed at characterizing EC behaviour after hypergravity exposure (more than 1g), with special focus on cytoskeleton architecture and capillary-like structure formation...
November 2016: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28334340/meta-analytic-framework-for-liquid-association
#15
Lin Wang, Silvia Liu, Ying Ding, Shin-Sheng Yuan, Yen-Yi Ho, George C Tseng
Motivation: Although coexpression analysis via pair-wise expression correlation is popularly used to elucidate gene-gene interactions at the whole-genome scale, many complicated multi-gene regulations require more advanced detection methods. Liquid association is a powerful tool to detect the dynamic correlation of two gene variables depending on the expression level of a third variable (LA scouting gene). Liquid association detection from single transcriptomic study, however, is often unstable and not generalizable due to cohort bias, biological variation, and limited sample size...
March 11, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28334218/reconciliation-between-operational-taxonomic-units-and-species-boundaries
#16
Mohamed Mysara, Peter Vandamme, Ruben Props, Frederiek-Maarten Kerckhof, Natalie Leys, Nico Boon, Jeroen Raes, Pieter Monsieurs
The development of high-throughput sequencing technologies has revolutionized the field of microbial ecology via 16S rRNA gene amplicon sequencing approaches. Clustering those amplicon sequencing reads into Operational Taxonomic Units (OTUs) using a fixed cut-off is a commonly used approach to estimate microbial diversity. A 97% threshold was chosen with the intended purpose that resulting OTUs could be interpreted as a proxy for a bacterial species. Our results show that the robustness of such a generalized cut-off is questionable when applied to short amplicons only covering one or two variable regions of the 16S rRNA gene...
March 10, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28333917/a-clinical-utility-study-of-exome-sequencing-versus-conventional-genetic-testing-in-pediatric-neurology
#17
Lisenka E L M Vissers, Kirsten J M van Nimwegen, Jolanda H Schieving, Erik-Jan Kamsteeg, Tjitske Kleefstra, Helger G Yntema, Rolph Pfundt, Gert Jan van der Wilt, Lotte Krabbenborg, Han G Brunner, Simone van der Burg, Janneke Grutters, Joris A Veltman, Michèl A A P Willemsen
PURPOSE: Implementation of novel genetic diagnostic tests is generally driven by technological advances because they promise shorter turnaround times and/or higher diagnostic yields. Other aspects, including impact on clinical management or cost-effectiveness, are often not assessed in detail prior to implementation. METHODS: We studied the clinical utility of whole-exome sequencing (WES) in complex pediatric neurology in terms of diagnostic yield and costs. We analyzed 150 patients (and their parents) presenting with complex neurological disorders of suspected genetic origin...
March 23, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28333226/exploring-the-human-microbiome-from-multiple-perspectives-factors-altering-its-composition-and-function
#18
David Rojo, Celia Méndez-García, Beata Anna Raczkowska, Rafael Bargiela, Andrés Moya, Manuel Ferrer, Coral Barbas
Our microbiota presents peculiarities and characteristics that may be altered by multiple factors. The degree and consequences of these alterations depend on the nature, strength and duration of the perturbations as well as the structure and stability of each microbiota. The aim of this review is to sketch a very broad picture of the factors commonly influencing different body sites, and which have been associated with alterations in the human microbiota in terms of composition and function. To do so, first, a graphical representation of bacterial, fungal and archaeal genera reveals possible associations among genera affected by different factors...
February 25, 2017: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/28332900/fc-or-not-fc-that-is-the-question-antibody-fc-receptor-interactions-are-key-to-universal-influenza-vaccine-design
#19
Sinthujan Jegaskanda, Hillary A Vanderven, Adam K Wheatley, Stephen J Kent
A universal vaccine that provides long-lasting protection from both epidemic and pandemic influenza viruses remains the "holy grail" of influenza vaccine research. Though virus neutralization assays are the current benchmark of measuring vaccine effectiveness, it is clear that Fc-receptor functions can drastically improve the effectiveness of antibodies and vaccines in vivo. Antibodies that kill virus-infected cells and/or elicit an antiviral environment, termed antibody-dependent cellular cytotoxicity (ADCC)-mediating antibodies, provide a link between the innate and adaptive immune response...
March 23, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28332569/voltage-control-of-magnetic-anisotropy-in-epitaxial-ru-co2feal-mgo-heterostructures
#20
Zhenchao Wen, Hiroaki Sukegawa, Takeshi Seki, Takahide Kubota, Koki Takanashi, Seiji Mitani
Voltage control of magnetic anisotropy (VCMA) in magnetic heterostructures is a key technology for achieving energy-efficiency electronic devices with ultralow power consumption. Here, we report the first demonstration of the VCMA effect in novel epitaxial Ru/Co2FeAl(CFA)/MgO heterostructures with interfacial perpendicular magnetic anisotropy (PMA). Perpendicularly magnetized tunnel junctions with the structure of Ru/CFA/MgO were fabricated and exhibited an effective voltage control on switching fields for the CFA free layer...
March 23, 2017: Scientific Reports
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