OBJECTIVE: The dietary intake of fructose-rich sugar-sweetened beverages (SSB) may have a significant role in raising serum uric acid (SUA) levels as well as the risk of contracting gout and ...cardiovascular risk factors. Our objective was to investigate the impact of SSB intake on SUA, body mass index (BMI) and systolic blood pressure (SBP) among adolescents in Taiwan. METHODS: We evaluated data from 2727 representative adolescents who were multistage sampled from 36 Junior High schools in Taiwan. We cross-sectionally collected demographic, physical, dietary and anthropometric variables, and prospectively measured clinical outcomes. Data were analyzed using multiple regression and logistic models adjusted for covariates. RESULTS: We found that 87.7% of adolescents were SSB drinkers, with 25.1% drinking > 500 ml per day of such beverages. Increased SSB intake was associated with increased waist and hip circumferences, body fat, BMI, SBP and SUA. As compared with non-drinkers, SSB drinkers had a 3.2-4.9 elevated risk of obesity. The prevalence of hyperuricemia in heavy SSB users (40.2-49.4%) was appreciably greater than that for non-users (24.2%). Adolescents who consumed >500 ml per day of heavy high-fructose corn syrup (HFCS) containing beverages had a 0.42 mgdl.sup.-1 higher SUA level and a 2.0-2.1 increased risk of developing hyperuricemia than non-drinkers. The consumption of HFCS-rich beverages was also found to interact with obesity in determining higher levels of SUA (2.2-2.4 mgdl.sup.-1 increases). CONCLUSION: High SSB consumption has a notable effect on increased levels of BMI and SUA. The intake of HFCS-rich beverages and BMI were likely to interactively strengthen SUA levels among obese adolescents. International Journal of Obesity (2013) 37, 532-539; doi: 10.1038/ijo.2012.121; published online 14 August 2012 Keywords: uric acid; high-fructose corn syrup; sugar-sweetened beverages; childhood obesity; body mass index
•Metal nanopowders are common and frequently employed in industry.•Nano iron powder experimental results of To were 140–150°C.•Safety information can benefit relevant metal powders industries.
Metal ...nanopowders are common and frequently employed in industry. Iron is mostly applied in high-performance magnetic materials and pollutants treatment for groundwater. Zinc is widely used in brass, bronze, die casting metal, alloys, rubber, and paints, etc. Nonetheless, some disasters induced by metal powders are due to the lack of related safety information. In this study, we applied differential scanning calorimetry (DSC) and used thermal analysis software to evaluate the related thermal safety information, such as exothermic onset temperature (To), peak of temperature (Tp), and heat of reaction (ΔH). The nano iron powder experimental results of To were 140–150°C, 148–158°C, and 141–149°C for 15nm, 35nm, and 65nm, respectively. The ΔH was larger than 3900J/g, 5000J/g, and 3900J/g for 15nm, 35nm, and 65nm, respectively. Safety information can benefit the relevant metal powders industries for preventing accidents from occurring.
The KOTO (
$K^0$
at Tokai) experiment aims to observe the CP-violating rare decay
$K_L \rightarrow \pi ^0 \nu \bar {\nu }$
by using a long-lived neutral-kaon beam produced by the 30 GeV proton beam ...at the Japan Proton Accelerator Research Complex. The
$K_L$
flux is an essential parameter for the measurement of the branching fraction. Three
$K_L$
neutral decay modes,
$K_L \rightarrow 3\pi ^0$
,
$K_L \rightarrow 2\pi ^0$
, and
$K_L \rightarrow 2\gamma $
, were used to measure the
$K_L$
flux in the beam line in the 2013 KOTO engineering run. A Monte Carlo simulation was used to estimate the detector acceptance for these decays. Agreement was found between the simulation model and the experimental data, and the remaining systematic uncertainty was estimated at the 1.4% level. The
$K_L$
flux was measured as
$(4.183 \pm 0.017_{{\rm stat.}} \pm 0.059_{{\rm sys.}}) \times 10^7$
$K_L$
per
$2\times 10^{14}$
protons on a 66-mm-long Au target.
A pulse shape difference between photons and neutrons was observed in the output signals of scintillation light from the un-doped CsI calorimeter of the KOTO experiment for the KL→π0νν̄ decay. We ...developed a discrimination method to reject neutrons and to accept photons in the deposited energy range from 0.1 to 2 GeV. The method rejects 67% of neutron-induced single hadronic clusters and 86% of neutron-induced two-cluster events while keeping more than 90% of photon-induced single electromagnetic clusters and two-photon events.
As-deposited nanocrystalline Fe-Hf-N thin films were investigated to improve soft magnetic properties by controlling thickness of the films. On the XRD analysis, the strain of a-Fe was due to the ...incorporation of interstitial nitrogen atoms, which might induce the soft magnetic properties. However, the poorer magnetic properties of 1.1-um FeHfN film was attributed to the stripe domain structure, for the higher residual stress of 1.1-um FeHN film produced stress-induced anisotropy Nevertheless, the residual stress decreased with increasing thickness of the films. Thus, the striped domain structure disappeared in both 3.3-um and 5.5-um thick FeHfN. The 5.5-um thick nanocrystalline FeHfN film exhibited high magnetization (4πMs ∼ 16.9 kG) and lower coercivity (HC < 1 Oe). The superior soft magnetic properties show the potential application of this films for power inductor.
Effects of the Hf content in Co-Hf-Ta thin films on the microstructure and magnetic properties were investigated in this study. It was found that appropriate Hf addition can effectively refine the Co ...grain size. Co grain sizes sharply decreased from 50 nm down to 2.3 nm with increasing the Hf content from 1.02 at.% to 2.81 at.%, leading to the reduced magneto-crystalline anisotropy. The Co-Hf-Ta thin films with small Co grains reveal low anisotropy field, low coercivity, and high resistivity. By optimizing the Hf content, the film with Hf concentration of 2.81 at. % exhibits excellent soft magnetic properties: high saturation magnetization (4πMs ∼ 13.6 kG), and low coercivity (Hc ∼ 0.6 Oe). The effective permeability of the film reaches 800 and remains constant up to 1 GHz.
The antioxidant activity of water extracts of Harng Jyur (Chrysanthemum morifolium Ramat) from four varieties, including Huang Harng Jyur (HHJ), Bai Harng Jyur (BHJ), Gan Harng Jyur (GHJ), and Kung ...Harng Jyur (KHJ), was investigated. The water extracts of the four Harng Jyur varieties showed strong antioxidant activity in linoleic acid and liposome model systems. Each extract at 20 mg exhibited 65.3–71.8% inhibition on malondialdehyde formation of rat liver homogenate in vitro, greater than 20 mg of tocopherol. A correlation established between the total phenolic compounds and antioxidant activity, yielded a coefficient of r2=0.934, 0.997, 0.758 and 0.983 for HHJ, BHJ, GHJ and KHJ respectively. Each extract of the four Harng Jyur varieties had effective activities as radical scavengers, metal chelators, and active oxygen scavengers. These properties may be the major reasons for the inhibition of lipid peroxidation. Of the four varieties, BHJ was the most significant antioxidative material. No mutagenicity in the four varieties was found in Salmonella typhimurium TA 98, either with or without S9 mix.
Measurements of the associated production of a W boson and a charm (
) quark in proton-proton collisions at a centre-of-mass energy of 8
are reported. The analysis uses a data sample corresponding to ...a total integrated luminosity of 19.7
collected by the CMS detector at the LHC. The W bosons are identified through their leptonic decays to an electron or a muon, and a neutrino. Charm quark jets are selected using distinctive signatures of charm hadron decays. The product of the cross section and branching fraction
, where
or
, and the cross section ratio
are measured in a fiducial volume and differentially as functions of the pseudorapidity and of the transverse momentum of the lepton from the W boson decay. The results are compared with theoretical predictions. The impact of these measurements on the determination of the strange quark distribution is assessed.
Celotno besedilo
Dostopno za:
DOBA, IZUM, KILJ, NUK, PILJ, PNG, SAZU, SIK, UILJ, UKNU, UL, UM, UPUK
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