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Emilia Fisicaro, Carlotta Compari, Franco Bacciottini, Laura Contardi, Erika Pongiluppi, Nadia Barbero, Guido Viscardi, Pierluigi Quagliotto, Gaetano Donofrio, Marie Pierre Krafft
Biological and thermodynamic properties of a new homologous series of highly fluorinated bispyridinium cationic gemini surfactants, differing in the length of the spacer bridging the pyridinium polar heads in 1,1' position, are reported for the first time. Interestingly, gene delivery ability is closely associated with the spacer length due to a structural change of the molecule in solution. This conformation change is allowed when the spacer reaches the right length, and it is suggested by the trends of the apparent and partial molar enthalpies vs molality...
October 15, 2016: Journal of Colloid and Interface Science
Luca Santini, Santiago Saura, Carlo Rondinini
One of the biggest challenges in large-scale conservation is quantifying connectivity at broad geographic scales and for a large set of species. Because connectivity analyses can be computationally intensive, and the planning process quite complex when multiple taxa are involved, assessing connectivity at large spatial extents for many species turns to be often intractable. Such limitation results in that conducted assessments are often partial by focusing on a few key species only, or are generic by considering a range of dispersal distances and a fixed set of areas to connect that are not directly linked to the actual spatial distribution or mobility of particular species...
2016: PloS One
Esteban Alejandro Lopez, Orozimbo Alves Costa, Deborah Viviane Ferrari
Purpose: The purpose of this research note is to describe the development and technical validation of the Mobile Based Assistive Listening System (MoBALS), a free-of-charge smartphone-based remote microphone application. Method: MoBALS Version 1.0 was developed for Android (Version 2.1 or higher) and was coded with Java using Eclipse Indigo with the Android Software Development Kit. A Wi-Fi router with background traffic and 2 affordable smartphones were used for debugging and technical validation comprising, among other things, multicasting capability, data packet loss, and battery consumption...
October 1, 2016: American Journal of Audiology
Mitsuhiro Ueda, Tsukasa Sakaguchi, Miho Hayama, Takafumi Nakagawa, Yutaka Matsuo, Aiko Munechika, Shunsuke Yoshida, Hiroshi Yasuda, Ilhyong Ryu
The intermolecular [2+2] cycloaddition of allenol esters, which were in situ generated by Pt-catalyzed 1,3-acyloxy migration of propargylic esters, with C60 proceeded regio- and stereo-selectively to give a novel class of alkylidenecyclobutane-annulated fullerenes. The cyclobutane-annulated fullerene derivatives have high-lying LUMO levels, which gave a high open-circuit voltage in organic solar cell applications. The observed high electron mobility provided a good fill factor compared with the PCBM-based devices...
October 21, 2016: Chemical Communications: Chem Comm
Abby Casey, Yang Han, Eliot Gann, Joshua P Green, Christopher R McNeill, Thomas D Anthopoulos, Martin Heeney
The synthesis of the novel donor-acceptor monomer 4,7-bis[(E)-2-(5-bromo-3-dodecylylthiophen-2-yl)ethenyl]-5,6-difluoro-2,1,3-benzothiadiazole (FBT-V2T2) is reported. Polymerization with 4,4'-ditetradecyl-5,5'-bistrimethylstannyl-2,2'-bithiophene afforded a highly crystalline polymer that aggregated strongly in solution. Polymer films were well ordered resulting in high performance field-effect transistors with low onset voltages, negligible hysteresis, high channel current on/off ratios and peak hole mobilities of up to 0...
October 21, 2016: ACS Applied Materials & Interfaces
K L Haywood, J Brett, E Tutton, S Staniszewska
PURPOSE: Hip fracture is the most common serious injury of older people, often resulting in reduced mobility and loss of independence. However, guidance for the use of patient-reported outcome measures (PROMs) does not exist: we describe the first review to apply internationally endorsed criteria in support of PROM quality and acceptability in this group, and make recommendations for future applications. METHODS: Systematic literature searches of major databases (1980-2015) to identify published evidence of the application and quality of clearly defined measures...
October 20, 2016: Quality of Life Research
Izabela Jatczak-Pawlik, Michal Gorzkiewicz, Maciej Studzian, Dietmar Appelhans, Brigitte Voit, Lukasz Pulaski, Barbara Klajnert-Maculewicz
PURPOSE: Fourth-generation poly(propylene imine) dendrimers fully surface-modified by maltose (dense shell, PPI-m DS) were shown to be biocompatible in cellular models, which is important for their application in drug delivery. We decided to verify also their inherent bioactivity, including immunomodulatory activity, for potential clinical applications. We tested their effects on the THP-1 monocytic cell line model of innate immunity effectors. METHODS: To estimate the cytotoxicity of dendrimers the reasazurin assay was performed...
October 20, 2016: Pharmaceutical Research
Paul Monsarrat, Philippe Kemoun, Jean-Noel Vergnes, Luc Sensebe, Louis Casteilla, Valerie Planat-Benard
BACKGROUND AIMS: Using innovative tools derived from social network analysis, the aims of this study were (i) to decipher the spatial and temporal structure of the research centers network dedicated to the therapeutic uses of mesenchymal stromal cells (MSCs) and (ii) to measure the influence of fields of applications, cellular sources and industry funding on network topography. METHODS: From each trial using MSCs reported on, all research centers were extracted...
October 17, 2016: Cytotherapy
Salvatore Fanali
This paper presents the state of the art concerning the separation of chiral compounds by means of nano-liquid chromatography (nano-LC). The enantiomers' separation and determination are a subject of fundamental importance in various application fields such as pharmaceutical industry, biomedicine, food, agrochemical etc. Nano-LC is a miniaturized chromatographic technique offering some advantages over conventional ones such as low consumption of mobile phase, sample volume and amount of chiral stationary phase, reduced costs etc...
October 14, 2016: Journal of Chromatography. A
Belfor Antonio Galaz, Rodrigo Hernan Acevedo
Ultrasound poroelastography is an imaging modality used to characterize the temporal behavior of soft tissue that can be modeled as a solid permeated by interconnected pores filled with liquid (poroelastic medium). It could be useful in the stage classification of lymphedema. Generally, time-constant models are applied to strain images, and precision of the fitting process, computational cost and versatility in response to changes in tissues properties are crucial aspects of clinical applications. In the work described here, we performed creep experiments on poroelastic phantoms and used rheologic models to visualize the changes in viscoelastic response associated with fluid mobility...
October 17, 2016: Ultrasound in Medicine & Biology
Z Huang, P S Ning, P X Cheng, G Q Hu
With the rapid development of mobile communication technology and the growing popularity of smartphones worldwide, mobile health has become an extension of e-Health and Tele-Health, and is of value in the research and practice of public health. In this paper, we systematically assessed research literature of mobile health' s application on disease prevention and control as well as health promotion. Based on the characteristics of current literature, this paper focused on the application of mobile health in maternal health promotion, chronic disease management, and communicable disease prevention and control to provide reference for the mobile health intervention research in China...
October 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
Gerhard Batz, Michael Dinkel
Echocardiography as an imaging method in anaesthesia and intensive care medicine has enabled a new dimension of hemodynamic monitoring: the direct visualization of the cardiac function and its disruptions. Preconditions for a broad application in this area was the development of mobile, high-definition ultrasonic devices and the origination of focused examination techniques. A successful application of this method requires the respective know-how of the examiner, in order to take relevant decisions and avoid misdiagnoses...
October 2016: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
Adnan A Kadi, Hany W Darwish, Mohamed W Attwa, Sawsan M Amer
In the current work, a rapid, specific, sensitive and validated liquid chromatography tandem mass-spectrometric method was developed for the quantification of ponatinib (PNT) in human plasma and rat liver microsomes (RLMs) with its application to metabolic stability. Chromatographic separation of PNT and vandetanib (IS) were accomplished on Agilent eclipse plus C18 analytical column (50 mm × 2.1 mm, 1.8 μm particle size) maintained at 21±2°C. Flow rate was 0.25 mLmin-1 with run time of 4 min. Mobile phase consisted of solvent A (10 mM ammonium formate, pH adjusted to 4...
2016: PloS One
Chong-Rong Wu, Xiang-Rui Chang, Tung-Wei Chu, Hsuan-An Chen, Chao-Hsin Wu, Shih-Yen Lin
A 9-layer WS2/MoS2 hetero-structure is established on a sapphire substrate after sequential growth of large-area and uniform 5- and 4- layer MoS2 and WS2 films by using sulfurization of pre-deposited 1.0 nm Molybdenum (Mo) and Tungsten (W), respectively. By using the results obtained from the ultraviolet photoelectron spectroscopy and the absorption spectrum measurements of the standalone MoS2 and WS2 samples, a type-II band alignment is predicated for the WS2/MoS2 hetero-structure. Increasing drain currents and enhanced field-effect mobility value of the transistor fabricated on the hetero-structure suggested that a channel with higher electron concentration compared with the standalone MoS2 transistor channel is obtained with electron injection from WS2 to MoS2 under thermal equilibrium...
October 20, 2016: Nano Letters
Radu Danescu, Razvan Itu, Andra Petrovai
The driving environment is complex and dynamic, and the attention of the driver is continuously challenged, therefore computer based assistance achieved by processing image and sensor data may increase traffic safety. While active sensors and stereovision have the advantage of obtaining 3D data directly, monocular vision is easy to set up, and can benefit from the increasing computational power of smart mobile devices, and from the fact that almost all of them come with an embedded camera. Several driving assistance application are available for mobile devices, but they are mostly targeted for simple scenarios and a limited range of obstacle shapes and poses...
October 17, 2016: Sensors
Chiara Tani, Leopoldo Trieste, Valentina Lorenzoni, Sara Cannizzo, Giuseppe Turchetti, Marta Mosca
Recent advances in health information technologies (HIT) in systemic lupus erythematosus have included electronic databases and registries, computerised clinical charts for patient monitoring, computerised diagnostic tools, computerised prediction rules and, more recently, disease-specific applications for mobile devices for physicians, health care professionals, and patients. Traditionally, HIT development has been oriented primarily to physicians and public administrators. However, more recent development of patient-centered Apps could improve communication and empower patients in the daily management of their disease...
September 2016: Clinical and Experimental Rheumatology
Gyu Ri Hong, Sun Sook Lee, Yejin Jo, Min Jun Choi, Yun Chan Kang, Beyong-Hwan Ryu, Kwun Bum Chung, Youngmin Choi, Sunho Jeong
The solution-processable oxide semiconductors have gained the paramount attention with a possibility of forming cost-effectively semiconducting channel layers with moderate field-effect mobility for the application to thin-film transistors (TFTs). To date, a variety of compositional oxide material and post-annealing techniques have been demonstrated based on a spin-coating method, well-suited for a small-sized device fabrication along with a significant material loss in a large-area process. In this study, we report, for the first time report, a simple bar-coating process of soluble metal oxide semiconductors, consuming the 0...
October 20, 2016: ACS Applied Materials & Interfaces
Stephanie A Sullivan, Erica L O'Neill, A Jenna Beckham, Alice Chuang
No abstract text is available yet for this article.
November 2016: Medical Education
Fiona H McKay, Christina Cheng, Annemarie Wright, Jane Shill, Hugh Stephens, Mary Uccellini
INTRODUCTION: Increasing smartphones access has allowed for increasing development and use of smart phone applications (apps). Mobile health interventions have previously relied on voice or text-based short message services (SMS), however, the increasing availability and ease of use of apps has allowed for significant growth of smartphone apps that can be used for health behaviour change. This review considers the current body of knowledge relating to the evaluation of apps for health behaviour change...
October 18, 2016: Journal of Telemedicine and Telecare
Xin Ma, Jing Liu, Zhengxiang Zhang, Tao Bo, Yu Bai, Huwei Liu
RATIONALE: Quadrupole based tandem mass spectrometry (MS/MS) plays critical role in "omics" studies. However, when a particular m/z precursor is selected by the quadrupole, ions other than the precursor are not transmitted through, the sensitivity and dynamic range thus diminish. Therefore, separation techniques such as ion mobility (IM) is coupled with MS/MS to improve it. METHODS: In this workflow, every IM-mass spectrometry (MS) scan was followed by one high collision energy (CE) scan...
October 19, 2016: Rapid Communications in Mass Spectrometry: RCM
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