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https://www.readbyqxmd.com/read/29144207/exploring-physical-activity-behaviour-needs-for-and-interest-in-a-technology-delivered-home-based-exercise-programme-among-patients-with-intermittent-claudication
#1
Nils Cornelis, Roselien Buys, Inge Fourneau, Tijl Dewit, Véronique Cornelissen
BACKGROUND: Supervised walking is a first line therapy in peripheral arterial disease (PAD) with complaints of intermittent claudication. However, uptake of supervised programmes is low. Home-based exercise seems an appealing alternative; especially since technological advances, such as tele-coaching and tele-monitoring, may facilitate the process and support patients when adopting a physically active lifestyle. To guide the development of such an intervention, it is important to identify barriers of physical activity and the needs and interests for technology-enabled exercise in this patient group...
November 16, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/29144119/self-assembly-driven-aggregation-induced-emission-of-copper-nanoclusters-a-novel-technology-for-lighting
#2
Yi Liu, Dong Yao, Hao Zhang
Because of the specific properties including HOMO-LUMO electronic transition, size-dependent fluorescent emission, and intense light absorption, metal nanoclusters (NCs) have been considered to be one of the most competitive color conversion materials in light-emitting diodes (LEDs). However, the monotonous emission color and the low emission stability and intensity of individual metal NCs strongly limit their universal application. Inspired by the concept of "aggregation-induced emission" (AIE), the utilization of highly ordered metal NC assemblies opens a door to resolve these problems...
November 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29142404/chalepin-a-compound-from-ruta-angustifolia-l-pers-exhibits-cell-cycle-arrest-at-s-phase-suppresses-nuclear-factor-kappa-b-nf-%C3%AE%C2%BAb-pathway-signal-transducer-and-activation-of-transcription-3-stat3-phosphorylation-and-extrinsic-apoptotic-pathway-in-non-small-cell
#3
Jaime Stella Moses Richardson, Norhaniza Aminudin, Sri Nurestri Abd Malek
Background: Plants have been a major source of inspiration in developing novel drug compounds in the treatment of various diseases that afflict human beings worldwide. Ruta angustifolia L. Pers known locally as Garuda has been conventionally used for various medicinal purposes such as in the treatment of cancer. Objective: A dihydrofuranocoumarin named chalepin, which was isolated from the chloroform extract of the plant, was tested on its ability to inhibit molecular pathways of human lung carcinoma (A549) cells...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142260/possible-nematic-to-smectic-phase-transition-in-a-two-dimensional-electron-gas-at-half-filling
#4
Q Qian, J Nakamura, S Fallahi, G C Gardner, M J Manfra
Liquid crystalline phases of matter permeate nature and technology, with examples ranging from cell membranes to liquid-crystal displays. Remarkably, electronic liquid-crystal phases can exist in two-dimensional electron systems (2DES) at half Landau-level filling in the quantum Hall regime. Theory has predicted the existence of a liquid-crystal smectic phase that breaks both rotational and translational symmetries. However, previous experiments in 2DES are most consistent with an anisotropic nematic phase breaking only rotational symmetry...
November 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/29141603/detect-i-detect-ii-a-study-protocol-for-a-prospective-multicentre-observational-study-to-validate-the-uromark-assay-for-the-detection-of-bladder-cancer-from-urinary-cells
#5
Wei Shen Tan, Andrew Feber, Liqin Dong, Rachael Sarpong, Sheida Rezaee, Simon Rodney, Pramit Khetrapal, Patricia de Winter, Frelyn Ocampo, Rumana Jalil, Norman R Williams, Chris Brew-Graves, John D Kelly
BACKGROUND: Haematuria is a common finding in general practice which requires visual inspection of the bladder by cystoscopy as well as upper tract imaging. In addition, patients with non-muscle invasive bladder cancer (NMIBC) often require surveillance cystoscopy as often as three monthly depending on disease risk. However, cystoscopy is an invasive procedure which is uncomfortable, requires hospital attendance and is associated with a risk of urinary tract infection. We have developed the UroMark assay, which can detect 150 methylation specific alteration specific to bladder cancer using DNA from urinary sediment cells...
November 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29141312/-clinical-manifestation-and-gene-analyses-of-15-patients-with-intellectual-disability-or-developmental-delay-complicated-with-congenital-nystagmus
#6
Z J Gao, Q Jiang, Q Chen, K M Xu, Z Q Liu, X B Chen, X L Chen
Objective: To analyze the clinical and genetic features of 15 cases with intellectual disability or developmental delay (ID/DD) complicated with congenital nystagmus. Method: The clinical characteristics and the results of laboratory tests, images and genetics of 15 patients with ID/DD complicated with congenital nystagmus, confirmed by gene diagnosis in the Department of Neurology, Children's Hospital Affiliated to Capital Institute of Pediatrics from March 2015 to October 2016, were retrospectively analyzed...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29140352/extended-ellipticity-control-for-attosecond-pulses-by-high-harmonic-generation
#7
Nickolai Zhavoronkov, Mikhail Ivanov
Attosecond (1  as=10(-18)  s) pulses produced through high harmonic generation (HHG) are a basis for studies of electron dynamics during light-matter interaction on an electron's natural time scale. Extensively exploited HHG technology has, however, a few unsolved problems, where producing of circularly polarized or chiral attosecond pulses belongs to them. We have demonstrated experimentally a way to control the ellipticity of attosecond pulse trains produced via HHG in two-color, bi-circular laser fields...
November 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/29140321/single-silicon-ccd-cmos-platform-for-multi-spectral-detection-from-terahertz-to-x-rays
#8
Mostafa Shalaby, Carlo Vicario, Christoph P Hauri
Charge-coupled devices (CCDs) are a well-established imaging technology in the visible and x-ray frequency ranges. However, the small quantum photon energies of terahertz radiation have hindered the use of this mature semiconductor technological platform in this frequency range, leaving terahertz imaging totally dependent on low-resolution bolometer technologies. Recently, it has been shown that silicon CCDs can detect terahertz photons at a high field, but the detection sensitivity is limited. Here we show that silicon, complementary metal-oxide-semiconductor (CMOS) technology offers enhanced detection sensitivity of almost two orders of magnitude, compared to CCDs...
November 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/29138824/genetic-mutational-testing-of-chinese-children-with-familial-hematuria-with-biopsy%C3%A2-proven-fsgs
#9
Yongzhen Li, Ying Wang, Qingnan He, Xiqiang Dang, Yan Cao, Xiaochuan Wu, Shuanghong Mo, Xiaoxie He, Zhuwen Yi
Focal segmental glomerulosclerosis (FSGS) is a pathological lesion rather than a disease, with a diverse etiology. FSGS may result from genetic and non‑genetic factors. FSGS is considered a podocyte disease due to the fact that in the majority of patients with proven‑FSGS, the lesion results from defects in the podocyte structure or function. However, FSGS does not result exclusively from podocyte‑associated genes, however also from other genes including collagen IV‑associated genes. Patients who carry the collagen type IVA3 chain (COL4A3) or COL4A4 mutations usually exhibit Alport Syndrome (AS), thin basement membrane neuropathy or familial hematuria (FH)...
November 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138295/generation-of-specific-inhibitors-of-sumo-1-and-sumo-2-3-mediated-protein-protein-interactions-using-affimer-adhiron-technology
#10
David J Hughes, Christian Tiede, Natalie Penswick, Anna Ah-San Tang, Chi H Trinh, Upasana Mandal, Katarzyna Z Zajac, Thembaninskosi Gaule, Gareth Howell, Thomas A Edwards, Jianxin Duan, Eric Feyfant, Michael J McPherson, Darren C Tomlinson, Adrian Whitehouse
Because protein-protein interactions underpin most biological processes, developing tools that target them to understand their function or to inform the development of therapeutics is an important task. SUMOylation is the posttranslational covalent attachment of proteins in the SUMO family (SUMO-1, SUMO-2, or SUMO-3), and it regulates numerous cellular pathways. SUMOylated proteins are recognized by proteins with SUMO-interaction motifs (SIMs) that facilitate noncovalent interactions with SUMO. We describe the use of the Affimer system of peptide display for the rapid isolation of synthetic binding proteins that inhibit SUMO-dependent protein-protein interactions mediated by SIMs both in vitro and in cells...
November 14, 2017: Science Signaling
https://www.readbyqxmd.com/read/29137959/moving-from-clinic-to-home-what-the-future-holds-for-ophthalmic-telemedicine
#11
Nancy M Holekamp
PURPOSE: To describe the expanding role of telemedicine in healthcare, the key criteria required for a successful device and program implementation, and the current and future role of home monitoring in ophthalmology. DESIGN: Expert perspective METHODS: Analysis with real-world interpretation of home monitoring technologies including current adoption barriers and expanded future demands based on demographic and market forces. RESULTS: Remote patient monitoring represents a paradigm shift in the way physicians care for patients...
November 11, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29137776/effect-of-ultrasound-treatment-on-the-properties-of-nano-emulsion-films-obtained-from-hazelnut-meal-protein-and-clove-essential-oil
#12
Osman Gul, Furkan Turker Saricaoglu, Aysegul Besir, Ilyas Atalar, Fehmi Yazici
Hazelnut meal protein (4% (w/v)) and clove essential oil (CEO) (3% (v/v)) were homogenized with ultrasound (US) at different times (2, 4 and 6 min) and amplitudes (50, 75 and 100%) to obtain nano-emulsion films. Film forming nano-emulsions (FFNs) were analyzed for average particle size (Dz) and zeta potential, and edible film characterization were evaluated depending on US treatment, as well as antibacterial and antioxidant activities. Dz values and zeta potential of FFNs decreased with increasing acoustic energy delivered to nano-emulsion system...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29136881/monitoring-of-tablet-coating-processes-with-colored-coatings
#13
Shirin Barimani, Peter Kleinebudde
Endpoints of coating processes for colored tablets were determined using in-line Raman spectroscopy. Coatings were performed with six commercially available formulations of pink, yellow, red, beige, green and blue color. The coatings were comprising pigments and/or dyes, some causing fluorescence and interfering the Raman signal. Using non-contact optics, a Raman probe was used as process analytical technology (PAT) tool, and acquired spectra were correlated to the sprayed mass of aqueous coating suspension...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136391/effects-of-1-h-16-o-charged-particle-irradiation-on-short-term-memory-and-hippocampal-physiology-in-a-murine-model
#14
Frederico Kiffer, Hannah Carr, Thomas Groves, Julie E Anderson, Tyler Alexander, Jing Wang, John W Seawright, Vijayalakshmi Sridharan, Gwendolyn Carter, Marjan Boerma, Antiño R Allen
Radiation from galactic cosmic rays (GCR) poses a significant health risk for deep-space flight crews. GCR are unique in their extremely high-energy particles. With current spacecraft shielding technology, some of the predominant particles astronauts would be exposed to are (1)H + (16)O. Radiation has been shown to cause cognitive deficits in mice. The hippocampus plays a key role in memory and cognitive tasks; it receives information from the cortex, undergoes dendritic-dependent processing and then relays information back to the cortex...
November 14, 2017: Radiation Research
https://www.readbyqxmd.com/read/29135453/analysis-of-subcellular-structural-tension-in-axonal-growth-of-neurons
#15
Yi Chen Guo, Yu Xuan Wang, Yan Ping Ge, Lu Jia Yu, Jun Guo
The growth and regeneration of axons are the core processes of nervous system development and functional recovery. They are also related to certain physiological and pathological conditions. For decades, it has been the consensus that a new axon is formed by adding new material at the growth cone. However, using the existing technology, we have studied the structural tension of the nerve cell, which led us to hypothesize that some subcellular structural tensions contribute synergistically to axonal growth and regeneration...
November 14, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/29135239/advances-in-sulfidation-of-zerovalent-iron-for-water-decontamination
#16
Jinxiang Li, Xueying Zhang, Yuankui Sun, Liping Liang, Bing-Cai Pan, Weiming Zhang, Xiaohong Guan
Sulfidation has gained increasing interest in recent years for improving the sequestration of contaminants by zerovalent iron (ZVI). In view of the bright prospects of the sulfidated ZVI (S-ZVI), this review comprehensively summarized the latest developments in sulfidation of ZVI, particularly that of nanoscale ZVI (S-nZVI). The milestones in development of S-ZVI technology including its background, enlightenment, synthesis, characterization, water remediation and treatment, etc., are summarized. Under most circumstances, sulfidation can enhance the sequestration of various organic compounds and metal(loid)s by ZVI to various extents...
November 14, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29134458/animal-cell-expression-systems
#17
M Butler, Ing U Reichl
The glycan profile of therapeutic recombinant proteins such as monoclonal antibodies is a critical quality attribute, which affects the efficacy of the final product. The cellular glycosylation process during protein expression is dependent upon a number of factors such as the availability of substrates in the media, the intracellular content of nucleotide sugars, and the enzyme repertoire of the host cells. In order to control the variability of glycosylation it is important to understand the critical process parameters and their acceptable range of values to enable reproducible production of proteins with a predetermined glycan profile providing the desired biological function or therapeutic effect...
October 3, 2017: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/29132682/-biomarkers-of-radiation-induced-dna-repair-processes
#18
REVIEW
Alexis Vallard, Chloé Rancoule, Jean-Baptiste Guy, Sophie Espenel, Sylvie Sauvaigo, Claire Rodriguez-Lafrasse, Nicolas Magné
The identification of DNA repair biomarkers is of paramount importance. Indeed, it is the first step in the process of modulating radiosensitivity and radioresistance. Unlike tools of detection and measurement of DNA damage, DNA repair biomarkers highlight the variations of DNA damage responses, depending on the dose and the dose rate. The aim of the present review is to describe the main biomarkers of radiation-induced DNA repair. We will focus on double strand breaks (DSB), because of their major role in radiation-induced cell death...
November 10, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/29132296/a-fragment-based-method-for-modeling-of-protein-segments-into-cryo-em-density-maps
#19
Jochen Ismer, Alexander S Rose, Johanna K S Tiemann, Peter W Hildebrand
BACKGROUND: Single-particle analysis of electron cryo-microscopy (cryo-EM) is a key technology for elucidation of macromolecular structures. Recent technical advances in hardware and software developments significantly enhanced the resolution of cryo-EM density maps and broadened the applicability and the circle of users. To facilitate modeling of macromolecules into cryo-EM density maps, fast and easy to use methods for modeling are now demanded. RESULTS: Here we investigated and benchmarked the suitability of a classical and well established fragment-based approach for modeling of segments into cryo-EM density maps (termed FragFit)...
November 13, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/29132112/raman-spectroscopy-as-a-pat-for-pharmaceutical-blending-advantages-and-disadvantages
#20
Daniela Riolo, Alessandro Piazza, Ciro Cottini, Margherita Serafini, Emilio Lutero, Erika Cuoghi, Lorena Gasparini, Debora Botturi, Iari Gabriel Marino, Irene Aliatis, Danilo Bersani, Pier Paolo Lottici
Raman spectroscopy has been positively evaluated as a tool for the in-line and real-time monitoring of powder blending processes and it has been proved to be effective in the determination of the endpoint of the mixing, showing its potential role as process analytical technology (PAT). The aim of this study is to show advantages and disadvantages of Raman spectroscopy with respect to the most traditional HPLC analysis. The spectroscopic results, obtained directly on raw powders, sampled from a two-axis blender in real case conditions, were compared with the chromatographic data obtained on the same samples...
November 8, 2017: Journal of Pharmaceutical and Biomedical Analysis
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