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https://www.readbyqxmd.com/read/27912947/exploratory-outcome-assessment-of-qigong-tai-chi-easy-on-breast-cancer-survivors
#1
Linda K Larkey, Denise J Roe, Lisa Smith, Denise Millstine
OBJECTIVE: Breast cancer survivors (BCSs) experience symptoms affecting overall quality of life (QOL), often for a prolonged period post-treatment. Meditative Movement (MM), including Qigong and Tai Chi Easy (QG/TCE), has demonstrated benefit for improving QOL issues such as fatigue and sleep, but there is limited evidence of its impact on cognitive function, overall physical activity, and body weight for BCSs. DESIGN: This double-blind, randomized controlled pilot study with 87 female BCSs explored effects of QG/TCE on mental and physical QOL (Medical Outcomes Survey, Short Form), cognitive function (Functional Assessment of Cancer Therapy-Cognitive Function and two cognitive performance tests from the WAIS III), overall levels of physical activity (PA)(Brief Physical Activity Questionnaire) and body mass index (BMI)...
December 2016: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/27886537/bioelectrochemical-approach-for-reductive-and-oxidative-dechlorination-of-chlorinated-aliphatic-hydrocarbons-cahs
#2
Agnese Lai, Federico Aulenta, Marina Mingazzini, Maria Teresa Palumbo, Marco Petrangeli Papini, Roberta Verdini, Mauro Majone
A sequential reductive-oxidative treatment was developed in this study in a continuous-flow bioelectrochemical reactor to address bioremediation of groundwater contaminated by trichloroethene (TCE) and less-chlorinated but still harmful intermediates, such as vinyl chloride. In order to optimize the anodic compartment, whereby the oxygen-driven microbial oxidation of TCE-daughter products occurs, abiotic batch experiments were performed with various anode materials poised at +1.20 V vs. SHE (i.e., graphite rods and titanium mesh anode coated with mixed metal oxides (MMO)) and setups (i...
November 22, 2016: Chemosphere
https://www.readbyqxmd.com/read/27856620/genomic-characterization-of-dehalococcoides-mccartyi-strain-11a5-reveals-a-circular-extrachromosomal-genetic-element-and-a-new-tetrachloroethene-reductive-dehalogenase-gene
#3
Siyan Zhao, Chang Ding, Jianzhong He
Dehalococcoides mccartyi exhibits versatile capabilities to respire halogenated compounds under anaerobic conditions. In this study, we report the assembly and annotation of the complete genome of a chloroethene dechlorinating D. mccartyi strain 11a5. Bearing a 1,461,973 base-pair chromosome, strain 11a5 distinguishes itself from other D. mccartyi strains by possessing a 5,940 base-pair circular extrachromosomal genetic element which contains a reductive dehalogenase homolog. The whole genome of strain 11a5 harbors 31 putative reductive dehalogenase genes...
November 16, 2016: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/27853312/the-structure-and-dynamics-of-nano-particles-encapsulated-by-the-sds-monolayer-collapse-at-the-water-tce-interface
#4
Wenxiong Shi
The super-saturated surfactant monolayer collapses with the nanoparticles (NPs) at the water/trichloroethylene (TCE) interface are investigated using molecular dynamics (MD) simulations. The results show that sodium alkyl sulfate (SDS) monolayer collapse is initiated by buckling and followed primarily by budding and the bud encapsulating the NPs and oil molecules. The developed bud detaches from the monolayer into a water phase and forms the swollen micelle emulsion with NPs and oil molecules. We investigate the wavelength of the initial budding and the theoretical description of the budding process...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27828512/embedded-ag-mesh-electrodes-for-polymer-dispersed-liquid-crystal-devices-on-flexible-substrate
#5
Yanhua Liu, Su Shen, Jin Hu, Linsen Chen
An embedded Ag mesh transparent conductive electrode (TCE) on flexible substrate, which is suitable for polymer dispersed liquid crystal (PDLC) device, is demonstrated. With the combination of soft ultra-violet nanoimprinting lithography and scrape technique, it offers parallel processing with high resolution (10000dpi), as well as remarkable simplicity and fully controllable flexibility to tailor the transmittance and sheet resistance. While being able to achieve maximum transmittance 60% in the on state and the minimum 0...
October 31, 2016: Optics Express
https://www.readbyqxmd.com/read/27808221/ultra-smooth-fully-solution-processed-large-area-transparent-conducting-electrodes-for-organic-devices
#6
Won-Yong Jin, Riski Titian Ginting, Keum-Jin Ko, Jae-Wook Kang
A novel approach for the fabrication of ultra-smooth and highly bendable substrates consisting of metal grid-conducting polymers that are fully embedded into transparent substrates (ME-TCEs) was successfully demonstrated. The fully printed ME-TCEs exhibited ultra-smooth surfaces (surface roughness ~1.0 nm), were highly transparent (~90% transmittance at a wavelength of 550 nm), highly conductive (sheet resistance ~4 Ω ◻(-1)), and relatively stable under ambient air (retaining ~96% initial resistance up to 30 days)...
November 3, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27800299/cellular-and-molecular-etiology-of-hepatocyte-injury-in-a-murine-model-of-environmentally-induced-liver-abnormality
#7
M A Al-Griw, R O Alghazeer, S A Al-Azreg, E M Bennour
Exposures to a wide variety of environmental substances are negatively associated with many biological cell systems both in humans and rodents. Trichloroethane (TCE), a ubiquitous environmental toxicant, is used in large quantities as a dissolvent, metal degreaser, chemical intermediate, and component of consumer products. This increases the likelihood of human exposure to these compounds through dermal, inhalation and oral routes. The present in vivo study was aimed to investigate the possible cellular and molecular etiology of liver abnormality induced by early exposure to TCE using a murine model...
2016: Open veterinary journal
https://www.readbyqxmd.com/read/27788401/electromagnetic-induction-of-nanoscale-zerovalent-iron-particles-accelerates-the-degradation-of-chlorinated-dense-non-aqueous-phase-liquid-proof-of-concept
#8
Tanapon Phenrat, Itsaraphong Kumloet
In this study, a novel electromagnetically enhanced treatment concept is proposed for in situ remediation of a source zone of chlorinated dense non-aqueous phase liquid (DNAPL) that is slowly dissolved, causing contaminated groundwater for centuries. Here, we used polystyrene sulfonate (PSS)-modified nanoscale zerovalent iron (NZVI) particles (ferromagnetic) in combination with a low frequency (LF) (150 kHz) AC electromagnetic field (EMF) to accelerate the degradation of the DNAPLs via enhanced dissolution and reductive dechlorination...
December 15, 2016: Water Research
https://www.readbyqxmd.com/read/27787980/ito-free-solution-processed-flexible-electrochromic-devices-based-on-pedot-pss-as-transparent-conducting-electrode
#9
Rekha Singh, Joseph Tharion, Sengottaiyan Murugan, Anil Kumar
Electrochromic devices (ECDs) are emerging as novel technology for various applications ranging from commercialized smart window glasses, goggles, and autodimming rear view mirrors to uncommon yet more sophisticated applications such as infrared camouflage in military and thermal control in space satellites. The development of low-power, lightweight, inexpensive, and flexible devices is the need of the hour. In this respect, utilizing PEDOT:PSS as transparent conducting electrode (TCE) to replace indium tin oxide (ITO) and metal based TCEs for ECDs is a promising solution for the aforementioned requirements...
October 27, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27726332/modulation-of-crystal-surface-and-lattice-by-doping-achieving-ultrafast-metal-ion-insertion-in-anatase-tio2
#10
Hsin-Yi Wang, Han-Yi Chen, Ying-Ya Hsu, Ulrich Stimming, Hao Ming Chen, Bin Liu
We report that an ultrafast kinetics of reversible metal-ion insertion can be realized in anatase titanium dioxide (TiO2). Niobium ions (Nb5+) were carefully chosen to dope and drive anatase TiO2 into very thin nanosheets standing perpendicularly onto transparent conductive electrode (TCE) and simultaneously construct TiO2 with an ion-conducting surface together with expanded ion diffusion channels, which enabled ultrafast metal ions diffusion across the electrolyte/solid interface and into the bulk of TiO2...
October 11, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27711891/transformation-of-mackinawite-to-greigite-by-trichloroethylene-and-tetrachloroethylene
#11
Ying Lan, Andrew S Elwood Madden, Elizabeth C Butler
Trichloroethylene (TCE) and tetrachloroethylene (PCE) are common ground water contaminants susceptible to reductive dechlorination by FeS (mackinawite) in anaerobic environments. The objective of this study was to characterize the mineral-associated products that form when mackinawite reacts with TCE and PCE. The dissolved products of the reaction included Cl(-) and Fe(2+), and trace amounts of cis 1,2-dichloroethylene (for TCE) and TCE (for PCE). Selected area electron diffraction (SAED) analysis identified greigite as a mackinawite oxidation product formed after reaction between TCE or PCE and FeS over seven weeks...
October 12, 2016: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/27707868/high-resolution-metabolomics-of-occupational-exposure-to-trichloroethylene
#12
Douglas I Walker, Karan Uppal, Luoping Zhang, Roel Vermeulen, Martyn Smith, Wei Hu, Mark P Purdue, Xiaojiang Tang, Boris Reiss, Sungkyoon Kim, Laiyu Li, Hanlin Huang, Kurt D Pennell, Dean P Jones, Nathaniel Rothman, Qing Lan
BACKGROUND: Occupational exposure to trichloroethylene (TCE) has been linked to adverse health outcomes including non-Hodgkin's lymphoma and kidney and liver cancer; however, TCE's mode of action for development of these diseases in humans is not well understood. METHODS: Non-targeted metabolomics analysis of plasma obtained from 80 TCE-exposed workers [full shift exposure range of 0.4 to 230 parts-per-million of air (ppma)] and 95 matched controls were completed by ultra-high resolution mass spectrometry...
October 5, 2016: International Journal of Epidemiology
https://www.readbyqxmd.com/read/27696958/function-and-application-of-a-non-ester-hydrolyzing-carboxylesterase-discovered-in-tulip
#13
Taiji Nomura
Plants have evolved secondary metabolite biosynthetic pathways of immense rich diversity. The genes encoding enzymes for secondary metabolite biosynthesis have evolved through gene duplication followed by neofunctionalization, thereby generating functional diversity. Emerging evidence demonstrates that some of those enzymes catalyze reactions entirely different from those usually catalyzed by other members of the same family; e.g. transacylation catalyzed by an enzyme similar to a hydrolytic enzyme. Tuliposide-converting enzyme (TCE), which we recently discovered from tulip, catalyzes the conversion of major defensive secondary metabolites, tuliposides, to antimicrobial tulipalins...
October 4, 2016: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/27689937/calibration-bias-of-experimentally-determined-chlorine-isotope-enrichment-factors-the-need-for-a-two-point-calibration-in-compound-specific-chlorine-isotope-analysis
#14
Karin A Ebert, Christine Laskov, Martin Elsner, Stefan B Haderlein
RATIONALE: The recent development of compound-specific online chlorine isotope analysis ((37) Cl-CSIA) methods has fostered dual chlorine-carbon isotope studies to gain better insights into sources and environmental transformation reactions of chlorinated ethenes (CEs). 1-point and 2-point calibration schemes are currently used to convert raw data to the international δ(37) ClSMOC scale, but a critical evaluation of best practices to arrive at reliable δ(37) ClSMOC signatures and enrichment factors was missing and is presented here...
September 30, 2016: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/27665571/trichloroethylene-tce-in-tree-cores-to-complement-a-subsurface-investigation-on-residential-property-near-a-former-electroplating-facility
#15
Jeffrey D Wilcox, Kathy M Johnson
Tree cores were collected and analyzed for trichloroethylene (TCE) on a private property between a former electroplating facility in Asheville, North Carolina (USA), and a contaminated wetland/spring complex. TCE was detected in 16 of 31 trees, the locations of which were largely consistent with a "plume core" delineated by a more detailed subsurface investigation nearly 2 years later. Concentrations in tree cores and nearby soil borings were not correlated, perhaps due to heterogeneities in both geologic and tree root structure, spatial and temporal variability in transpiration rates, or interferences caused by other contaminants at the site...
December 0: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27633097/a-flexible-and-robust-transparent-conducting-electrode-platform-using-an-electroplated-silver-grid-surface-embedded-silver-nanowire-hybrid-structure
#16
Junho Jang, Hyeon-Gyun Im, Jungho Jin, Jaemin Lee, Jung-Yong Lee, Byeong-Soo Bae
In this paper, we report flexible transparent conducting electrode (TCE) film using a silver grid (Ag grid)/silver nanowire (AgNW) hybrid structure (AG/NW-GFRHybrimer). The AG/NW-GFRHybrimer consists of an AgNW-embedded glass-fabric reinforced plastic film (AgNW-GFRHybrimer) and an electroplated Ag grid. The AgNW-GFRHybrimer is used as a flexible transparent substrate and a seed layer for electroplating. The Ag grid is fabricated via an all-solution-process; the grid pattern is formed using conventional photolithography, and Ag is deposited through electroplating...
October 12, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27631686/multivariate-optimization-for-the-simultaneous-bioremoval-of-btex-and-chlorinated-aliphatic-hydrocarbons-by-pseudomonas-plecoglossicida
#17
Junhui Li, Renata Alves de Toledo, Hojae Shim
This study aimed to evaluate the effects of some major parameters on the cometabolic removal of cis-1,2-dichloroethylene (cis-DCE) and trichloroethylene (TCE), mixed with benzene, toluene, ethylbenzene, and xylenes, by an indigenous bacterial isolate Pseudomonas plecoglossicida. Such statistical methodologies as hierarchical cluster analysis heat map and principal component analysis were applied to better evaluate the effects of major parameters (soil pH, temperature, moisture, and cis-DCE/TCE concentrations) on the biological process...
September 9, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27619376/use-of-zea-mays-l-in-phytoremediation-of-trichloroethylene
#18
Emanuele Moccia, Adriano Intiso, Angela Cicatelli, Antonio Proto, Francesco Guarino, Patrizia Iannece, Stefano Castiglione, Federico Rossi
Trichloroethylene (TCE) is a chlorinated aliphatic organic compound often detected as pollutant in soils and ground water. "Green technologies" based on phytoremediation were proven to be effective to reclaim organic pollutants (e.g. TCE) and heavy metals from different environmental matrices. In this work, we use Zea mays L. for the removal of high TCE concentrations from medium cultures. In particular, we investigated a sealed bioreactor where the growth medium was contaminated with an increasing amount of TCE, in the range 55-280 mg/L; the removal capability of the maize plants was assessed by means of GC-MS and LC-MS analyses...
September 13, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27618143/trichloroethylene-induced-dna-methylation-changes-in-male-f344-rat-liver
#19
Yan Jiang, Jiahong Chen, Cong Yue, Hang Zhang, Tao Chen
Trichloroethylene (TCE), a common environmental contaminant, causes hepatocellular carcinoma in mice but not in rats. To understand the mechanisms of the species-specific hepatocarcinogenecity of TCE, we examined the methylation status of DNA in the liver of rats exposed to TCE at 0 or 1000 mg/kg b.w. for 5 days using MeDIP-chip, bisulfite sequencing, COBRA, and LC-MS/MS. The related mRNA expression levels were measured by qPCR. Although no global DNA methylation change was detected, 806 genes were hypermethylated and 186 genes were hypomethylated...
October 17, 2016: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/27593281/removal-of-2-clbp-from-soil-water-system-using-activated-carbon-supported-nanoscale-zerovalent-iron
#20
Wei Zhang, Tian Yu, Xiaolin Han, Weichi Ying
We explored the feasibility and removal mechanism of removing 2-chlorobiphenyl (2-ClBP) from soil-water system using granular activated carbon (GAC) impregnated with nanoscale zerovalent iron (reactive activated carbon or RAC). The RAC samples were successfully synthesized by the liquid precipitation method. The mesoporous GAC based RAC with low iron content (1.32%) exhibited higher 2-ClBP removal efficiency (54.6%) in the water phase. The result of Langmuir-Hinshelwood kinetic model implied that the different molecular structures between 2-ClBP and trichloroethylene (TCE) resulted in more difference in dechlorination reaction rates on RAC than adsorption capacities...
September 2016: Journal of Environmental Sciences (China)
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