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https://www.readbyqxmd.com/read/28240976/reassortant-clade-2-3-4-4-avian-influenza-a-h5n6-virus-in-a-wild-mandarin-duck-south-korea-2016
#1
Jung-Hoon Kwon, Dong-Hun Lee, David E Swayne, Jin-Yong Noh, Seong-Su Yuk, Tseren-Ochir Erdene-Ochir, Woo-Tack Hong, Jei-Hyun Jeong, Sol Jeong, Gyeong-Bin Gwon, Seok Lee, Chang-Seon Song
A reassortant clade 2.3.4.4 avian influenza A(H5N6) virus was isolated from a fecal sample of a Mandarin duck (Aix galericulata) in South Korea during October 2016. This virus was genetically similar to H5N6 subtype virus isolates from China, Vietnam, Laos, and Hong Kong, including human isolates.
May 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28240903/flexible-bionanocomposites-from-epoxidised-hemp-seed-oil-thermosetting-resin-reinforced-with-halloysite-nanotubes
#2
Peter S Shuttleworth, Ana Maria Díez-Pascual, Carlos Marco, Gary Ellis
Hempseed (Cannabis sativa L.) oil comprises a variety of beneficial unsaturated triglycerides with well-documented nutritional and health benefits. However, it can become rancid over a relatively short time period leading to increased industrial costs and waste of a valuable product. The development of sustainable polymers is presented as a strategy where both the presence of unsaturation and perox-ide content could be affectively utilised to alleviate both this waste and financial burden. After reaction with peroxyacetic acid, incorporation of halloysite nanotubes (HNTs) and sub-sequent thermal curing, without the need for organic sol-vents or interfacial modifiers, flexible transparent materials with a low glass transition temperature were developed...
February 27, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28240023/wood-based-nanocomposite-derived-by-in-situ-formation-of-organic-inorganic-hybrid-polymer-within-wood-via-a-sol-gel-method
#3
Xiaoying Dong, Xiao Zhuo, Jie Wei, Gang Zhang, Yongfeng Li
Solid wood materials and wood-plastic composites as two kinds of light-weight materials are attracting great interests from academia and industries due to their green and recycling nature. However, the relatively lower specific strength limits their wider applications. Especially, solid wood is vulnerable to moisture and decay fungi in nature, resulting in its poor durability for effectively long-term utilization. Inspired from the porous structure of wood, we propose a new design to build wood-based nanocomposite with higher specific strength and satisfied durability by in-situ generation of organic-inorganic hybrid polymer within wood via sol-gel way...
February 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28239670/influence-of-acidic-ph-on-the-formulation-of-tio2-nanocrystalline-powders-with-enhanced-photoluminescence-property
#4
Moges Tsega, F B Dejene
Titanium dioxide (TiO2) nanoparticles were prepared by the sol-gel method at different pH values (3.2-6.8) with a hydrochloric acid (HCl) solution. Raw samples were calcined at 500 °C for 2 h. The effects of pH on the structural, morphological and optical properties of TiO2 nanoparticles were investigated. At pH 4.4-6.8, only the anatase phase of TiO2 was observed. Under strong acidic condition at pH 3.2 rutile, brookite and anatase co-exist, but rutile is the predominant phase. The strain value increased and the crystallite size decreased as the HCl content increased...
February 2017: Heliyon
https://www.readbyqxmd.com/read/28239560/risk-factors-for-hearing-impairment-among-adults-with-diabetes-the-hispanic-community-health-study-study-of-latinos-hchs-sol
#5
Kathleen E Bainbridge, Catherine C Cowie, Franklyn Gonzalez, Howard J Hoffman, Elizabeth Dinces, Jeremiah Stamler, Karen J Cruickshanks
AIM: The aim was to examine risk factors for hearing impairment among Hispanic/Latino adults with diabetes. METHODS: Findings are based on 3384 participants aged 18-76 years with diagnosed or previously undetected diabetes who completed audiometric testing as part of the Hispanic Community Health Study/Study of Latinos. We defined hearing impairment as the pure-tone average (PTA) >25 decibels hearing level [dB HL] of pure-tone thresholds at high frequencies (3000, 4000, 6000, and 8000 Hz) in the worse ear and defined a second hearing impairment outcome with the additional requirement of PTA >25 dB HL of low/mid-frequency (500, 1000, and 2000 Hz) thresholds in the worse ear...
December 2016: Journal of Clinical & Translational Endocrinology
https://www.readbyqxmd.com/read/28239213/effect-of-proteolytic-modification-on-texture-and-mastication-of-heat-treated-egg-white-gels
#6
Junko Funaki, Michiko Minami, Sachie Abe, Reiko Ueda, Wakako Eto, Kenji Kugino, Mutsuko Kugino, Keiko Abe, Kiyoshi Toko, Tomiko Asakura
: Raw egg white undergoes sol-gel transition by heat treatment, which changes it to an elastic gel. Here, protease treatment to render a new texture to heated egg white gel was applied. Protease-treated gels exhibited ductile flow without obvious rupture points. Transmission electron microscopy analysis showed that in protease-treated gels, protein aggregates were distributed more homogeneously compared with that observed in the untreated control, probably because ovalbumin was digested into small peptides as revealed by SDS-PAGE...
February 2017: Journal of Food Processing and Preservation
https://www.readbyqxmd.com/read/28238403/increased-sputum-levels-of-thymus-and-activation-regulated-chemokine-in-children-with-asthma-not-eosinophilic-bronchitis
#7
M J Kim, H S Lee, I S Sol, M N Kim, J Y Hong, K E Lee, Y H Kim, K W Kim, M H Sohn, K-E Kim
BACKGROUND: Thymus and activation-regulated chemokine (TARC), a member of the CC chemokine family, plays a crucial role in Th2-specific inflammation. We aimed to determine the concentration of sputum TARC in children with asthma and eosinophilic bronchitis (EB) and its relation with eosinophilic inflammation, pulmonary function, and bronchial hyper-responsiveness. METHODS: In total, 90 children with asthma, 38 with EB, and 45 control subjects were enrolled. TARC levels were measured in sputum supernatants using an ELISA...
February 18, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28237840/comparison-between-in-vitro-properties-of-washed-platelet-concentrates-suspended-in-m-sol-and-those-in-brs-a-both-of-which-were-prepared-with-an-automated-cell-processor
#8
Akira Iwama, Junichi Hirayama, Masayuki Nogawa, Masayuki Shiba, Masahiro Satake, Shigeru Takamoto, Kenji Tadokoro
BACKGROUND: Washed platelet concentrate (WPC) is prepared manually in general, but automated preparation is desirable to minimize variation in the WPC quality and enhance WPC production. Recently, the software was improved for an automated cell processor (ACP) to control all processes of WPC preparation. M-sol and BRS-A, which are mixtures of medical solutions, are widely used for WPC preparation with a manual method in Japan. In this study, we prepared WPC suspended in M-sol (WPC-M) or BRS-A (WPC-B) with the ACP, and compared their in vitro properties during 7-day storage...
February 9, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28237260/barley-husk-carbon-as-the-fiber-coating-for-the-solid-phase-microextraction-of-twelve-pesticides-in-vegetables-prior-to-gas-chromatography-mass-spectrometric-detection
#9
Weiqian Liang, Juntao Wang, Xiaohuan Zang, Wenhuan Dong, Chun Wang, Zhi Wang
In this work, a barley husk biomaterial was successfully carbonized by hydrothermal method. The carbon had a high specific surface area and good stability. It was coated onto a stainless steel wire through sol-gel technique to prepare a solid-phase microextraction fiber for the extraction of trace levels of twelve pesticides (tsumacide, fenobucarb, indoxacarb, diethofencarb, thimet, terbufos, malathion, thiamethoxam, imidacloprid, buprofezin, acetamiprid, thiamethoxam) from vegetable samples prior to gas chromatography-mass spectrometric (GC-MS) detection...
February 20, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28235747/synthesis-and-application-of-in-situ-molecularly-imprinted-silica-monolithic-in-pipette-tip-solid-phase-microextraction-for-the-separation-and-determination-of-gallic-acid-in-orange-juice-samples
#10
Maryam Arabi, Mehrorang Ghaedi, Abbas Ostovan
A novel strategy was presented for the synthesis and application of functionalized silica monolithic as artificial receptor of gallic acid at micro-pipette tip. A sol-gel process was used to prepare the sorbent. In this in-situ polymerization reaction, tetraethyl orthosilicate (TEOS), 3-aminopropyl trimethoxysilane (APTMS), gallic acid and thiourea were used, respectively, as cross-linker, functionalized monomer, template and precursor to make crack-free and non-fragile structure. Such durable and inexpensive in-situ monolithic was successfully employed as useful tool for highly efficient extraction of gallic acid from orange juice samples...
February 16, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28235375/preparation-of-zno-photocatalyst-for-the-efficient-and-rapid-photocatalytic-degradation-of-azo-dyes
#11
Xiaoqing Chen, Zhansheng Wu, Dandan Liu, Zhenzhen Gao
Zinc oxide (ZnO) photocatalysts were synthesized by sol-gel method using zinc acetate as precursor for degradation of azo dyes under UV irradiation. The resultant samples were characterized by different techniques, such as XRD, SEM, and EDX. The influence of preparation conditions such as calcination temperature and composite ratio on the degradation of methyl orange (MO) was investigated. ZnO prepared with a composite ratio of 4:1 and calcination temperature of 400 °C exhibited 99.70% removal rate for MO...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28235364/synthesis-and-examination-of-nanocomposites-based-on-poly-2-hydroxyethyl-methacrylate-for-medicinal-use
#12
Olena S Kukolevska, Igor I Gerashchenko, Mykola V Borysenko, Evgenii M Pakhlov, Michal Machovsky, Tetyana I Yushchenko
Preparation of poly(2-hydroxyethyl methacrylate) (PHEMA) based nanocomposites using different approaches such as synthesis with water as the porogen, filling of polymer matrix by silica and formation of interpenetrating polymer networks with polyurethane was demonstrated. Incorporation of various biologically active compounds (BAC) such as metronidazole, decamethoxin, zinc sulphate, silver nitrate or amino acids glycine and tryptophan into nanocomposites was achieved. BAC were introduced into the polymer matrix either (1) directly, or (2) with a solution of colloidal silica, or (3) through immobilization on silica (sol-densil)...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28229598/dipicolylamine-functionalized-polyfluorene-based-gel-with-lower-critical-solution-temperature-preparation-characterization-and-application
#13
Chunlan Xiang, Hao Wan, Mingjing Zhu, Yijing Chen, Juan Peng, Gang Zhou
A thermoresponsive fluorescent polymer gel with lower critical solution temperature (LCST) phase transition has been prepared by cooperating conjugated fluorene homopolymer poly(2,7-(9,9-di(8-di(2-picolyl)aminooctyl))fluorene) (PPAOF) and small organic dye sulforhodamine B (SRB) or its sodium salt (SRB-Na). The sol-gel phase transition originates from the electrostatic interactions between the protonated pyridyl/amino groups in PPAOF and the sulfonic groups in the organic dye molecules, as revealed by FTIR, variable-temperature 1H NMR spectroscopies, and cyclic voltammetry measurements...
February 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28228855/a-new-class-of-organogelators-based-on-triphenylmethyl-derivatives-of-primary-alcohols-hydrophobic-interactions-alone-can-mediate-gelation
#14
Wangkhem P Singh, Rajkumar S Singh
In the present work, we have explored the use of the triphenylmethyl group, a commonly used protecting group for primary alcohols as a gelling structural component in the design of molecular gelators. We synthesized a small library of triphenylmethyl derivatives of simple primary alcohols and studied their gelation properties in different solvents. Gelation efficiency for some of the derivatives was moderate to excellent with a minimum gelation concentration ranging between 0.5-4.0% w/v and a gel-sol transition temperature range of 31-75 °C...
2017: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28226455/the-effect-of-multiple-thin-film-coatings-of-protein-loaded-sol-gel-on-total-multi-electrode-array-thickness
#15
Matthew D McDermott, Kevin J Otto, Matthew D McDermott, Kevin J Otto, Matthew D McDermott, Kevin J Otto
Tetramethyl orthosilicate shows promise as a thin-film delivery vehicle for multi-electrode arrays for drug release and electrical performance; however, its effect upon device footprint has yet to be assessed. Using a previously established silicon wafer chip model, the thickness of one, two, and four protein doped coatings of sol-gel were analyzed via profilometry. Coating thickness was found to be 0.4μm, 1.1μm and 2.2μm on each side of the device. This addition to a native MEA is minimal when compared to other drug delivery paradigms currently associated with neural implants...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28221025/synergistic-effects-of-stabilizing-the-surface-structure-and-lowering-the-interface-resistance-in-improving-the-low-temperature-performances-of-layered-lithium-rich-materials
#16
Shi Chen, Lai Chen, Yitong Li, Yuefeng Su, Yun Lu, Liying Bao, Jing Wang, Meng Wang, Feng Wu
Layered lithium-rich cathode material, Li1.2Ni0.2Mn0.6O2 was successfully synthesized by a sol-gel method followed by coating with different amount of Li3-BO3 (LBO, 1wt %, 3wt %, 5wt %). The effects of LBO coating layer on the structure, morphology and low-temperature (-30 °C) electrochemical properties of these materials are investigated systematically. The morphology, crystal structure and grain size of the Li-rich layered oxide are not essentially changed after surface modification; and according to the TEM results, the Li-B-O coating layer exists as an amorphous layer with a thickness of 5~8 nm when the amount is 3wt %...
February 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28221016/preparation-and-rate-capability-of-carbon-coated-lini1-3co1-3mn1-3o2-as-cathode-material-in-lithium-ion-batteries
#17
Chaofan Yang, Xiaosong Zhang, Mengyi Huang, Junjie Huang, Zebo Fang
LiNi1/3Co1/3Mn1/3O2 (NCM) is regarded as a promising material for next-generation lithium ion batteries due to the high capacity, but its practical applications are limited by the poor electronic conductivity. Here, a one-step method is used to prepare carbon coated LiNi1/3Co1/3Mn1/3O2 (NCM/C) by applying active carbon as reaction matrix. TEM shows LiNi1/3Co1/3Mn1/3O2 particles are homogeneously coated by carbon with a thickness about 10 nm. NCM/C delivers the discharge capacity of 191.2 mAh g-1 at 0.5 C (85 mA g-1) with a columbic efficiency of 91...
February 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28220960/a-comparative-investigation-of-bombyx-mori-silk-fibroin-hydrogels-generated-by-chemical-and-enzymatic-crosslinking
#18
Traian V Chirila, Shuko Suzuki, Chloé Papolla
Fibroin, the major proteinaceous component of the silk fiber produced by larvae of the domesticated silk moth (Bombyx mori), has been widely investigated as a biomaterial for potential applications in tissue engineering and regenerative medicine. Following sol-gel transition, silk fibroin solutions can generate hydrogels that present certain advantages when employed as biomaterials, especially if they are crosslinked. The subject of this study was the self-crosslinking of silk fibroin through a process induced by the enzyme horseradish peroxidase (HRP) in the presence of hydrogen peroxide, a method only recently proposed and scarcely reported...
February 21, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28220679/the-lac-m%C3%A3-gantic-derailment-corporate-regulation-and-neoliberal-sovereignty
#19
David Tyler Dunford
On July 6, 2013, Montreal, Maine, and Atlantic railcar 5017 hauling 72 tanker cars of Bakken crude oil derailed over the town of Lac-Mégantic, Quebec. The town erupted in a fiery inferno as 5,560,000 liters of highly flammable Bakken crude oil exploded over the town, killing 47 people and contaminating 558,000 tons of soil and local waterways. While Montreal, Maine, and Atlantic Rail Chairman Edward Burkhardt initially blamed the derailment on the lone engineer and local firefighters, this study shows how Transport Canada and the rail industry undermined regulatory and safety measures for several years before the derailment...
February 2017: Canadian Review of Sociology, Revue Canadienne de Sociologie
https://www.readbyqxmd.com/read/28220661/tunable-luminescence-and-energy-transfer-in-ca3-sio4-cl2-ce-3-li-mn-2-eu-2-phosphors
#20
Xiangqi Li, Xiuzhen Xie, Haiting Wei, Minzhen Zhong
A series of color-tunable Ca3-2x-y-z SiO4 Cl2 (CSC):xCe(3+) ,xLi(+) ,yMn(2+) ,zEu(2+) phosphors with low temperature phase structure was synthesized via the sol-gel method. An energy transfer process from Ce(3+) to Mn(2+) in CSC:0.01Ce(3+) ,0.01Li(+) ,yMn(2+) (y = 0.03-0.09) and the mechanism was verified to be an electric dipole-dipole interaction. The Ce(3+) and Mn(2+) emission intensities were greatly enhanced by co-doping Eu(2+) ions into CSC:0.01Ce(3+) ,0.01Li(+) ,0.07Mn(2+) phosphors due to competitive energy transfers from Eu(2+) /Ce(3+) to Mn(2+) , and Ce(3+) to Eu(2+) ...
February 21, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
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