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https://www.readbyqxmd.com/read/28811021/quantitative-analysis-of-major-and-trace-elements-in-nh4hf2-modified-silicate-rock-powders-by-laser-ablation-inductively-coupled-plasma-mass-spectrometry
#1
Wen Zhang, Zhaochu Hu, Yongsheng Liu, Wenwu Yang, Haihong Chen, Shenghong Hu, Hongyan Xiao
In this paper, we described a NH4HF2 digestion method as sample preparation for the rapid determination of major and trace elements in silicate rocks using laser ablation-inductively coupled plasma mass spectrometry (LA-ICP-MS). Sample powders digested by NH4HF2 at 230 °C for 3 h form ultrafine powders with a typical grain size d80 < 8.5 μm, and various silicate rocks have a consistent grain morphology and size, allowing us to produce pressed powder pellets that have excellent cohesion and homogeneity suitable for laser ablation micro-analysis without the addition of binder...
August 29, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28805734/grain-foods-are-contributors-of-nutrient-density-for-american-adults-and-help-close-nutrient-recommendation-gaps-data-from-the-national-health-and-nutrition-examination-survey-2009-2012
#2
Yanni Papanikolaou, Victor L Fulgoni
The 2015-2020 Dietary Guidelines for Americans (2015-2020 DGA) maintains recommendations for increased consumption of whole grains while limiting intake of enriched/refined grains. A variety of enriched grains are sources of several shortfall nutrients identified by 2015-2020 DGA, including dietary fiber, folate, iron, and magnesium. The purpose of this study was to determine food sources of energy and nutrients for free-living U.S. adults using data from the National Health and Nutrition Examination Survey, 2009-2012...
August 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28777296/serum-iron-ferritin-ratio-predicts-healthy-body-composition-and-reduced-risk-of-severe-fatty-liver-in-young-adult-women
#3
Nindy Sabrina, Chyi-Huey Bai, Chun-Chao Chang, Yi-Wen Chien, Jiun-Rong Chen, Jung-Su Chang
Dysregulated iron metabolism is associated with altered body composition and nonalcoholic fatty liver disease (NAFLD); however, mechanisms underlying this association remain undefined. We investigated this association in 117 women. Middle-aged women (≥45 years old (y)) were heavier and had lower serum iron, higher serum hepcidin, ferritin, and severe NAFLD incidence than young adult women (<45 y). Age-adjusted linear regression analysis revealed that young adult women with the highest serum iron:ferritin ratio (Tertile 3) had a 5...
August 4, 2017: Nutrients
https://www.readbyqxmd.com/read/28772609/mechanical-properties-of-zto-ito-and-a-si-h-multilayer-films-for-flexible-thin-film-solar-cells
#4
Claudia Hengst, Siegfried B Menzel, Gayatri K Rane, Vladimir Smirnov, Karen Wilken, Barbara Leszczynska, Dustin Fischer, Nicole Prager
The behavior of bi- and trilayer coating systems for flexible a-Si:H based solar cells consisting of a barrier, an electrode, and an absorption layer is studied under mechanical load. First, the film morphology, stress, Young's modulus, and crack onset strain (COS) were analyzed for single film coatings of various thickness on polyethylene terephthalate (PET) substrates. In order to demonstrate the role of the microstructure of a single film on the mechanical behavior of the whole multilayer coating, two sets of InSnOx (indium tin oxide, ITO) conductive coatings were prepared...
March 1, 2017: Materials
https://www.readbyqxmd.com/read/28772514/strain-amount-dependent-grain-size-and-orientation-developments-during-hot-compression-of-a-polycrystalline-nickel-based-superalloy
#5
Guoai He, Liming Tan, Feng Liu, Lan Huang, Zaiwang Huang, Liang Jiang
Controlling grain size in polycrystalline nickel base superalloy is vital for obtaining required mechanical properties. Typically, a uniform and fine grain size is required throughout forging process to realize the superplastic deformation. Strain amount occupied a dominant position in manipulating the dynamic recrystallization (DRX) process and regulating the grain size of the alloy during hot forging. In this article, the high-throughput double cone specimen was introduced to yield wide-range strain in a single sample...
February 10, 2017: Materials
https://www.readbyqxmd.com/read/28772480/machinability-of-minor-wooden-species-before-and-after-modification-with-thermo-vacuum-technology
#6
Jakub Sandak, Giacomo Goli, Paola Cetera, Anna Sandak, Alberto Cavalli, Luigi Todaro
The influence of the thermal modification process on wood machinability was investigated with four minor species of low economic importance. A set of representative experimental samples was machined to the form of disks with sharp and dull tools. The resulting surface quality was visually evaluated by a team of experts according to the American standard procedure ASTM D-1666-87. The objective quantification of the surface quality was also done by means of a three dimensions (3D) surface scanner for the whole range of grain orientations...
January 28, 2017: Materials
https://www.readbyqxmd.com/read/28769997/genomic-bayesian-functional-regression-models-with-interactions-for-predicting-wheat-grain-yield-using-hyper-spectral-image-data
#7
Abelardo Montesinos-López, Osval A Montesinos-López, Jaime Cuevas, Walter A Mata-López, Juan Burgueño, Sushismita Mondal, Julio Huerta, Ravi Singh, Enrique Autrique, Lorena González-Pérez, José Crossa
BACKGROUND: Modern agriculture uses hyperspectral cameras that provide hundreds of reflectance data at discrete narrow bands in many environments. These bands often cover the whole visible light spectrum and part of the infrared and ultraviolet light spectra. With the bands, vegetation indices are constructed for predicting agronomically important traits such as grain yield and biomass. However, since vegetation indices only use some wavelengths (referred to as bands), we propose using all bands simultaneously as predictor variables for the primary trait grain yield; results of several multi-environment maize (Aguate et al...
2017: Plant Methods
https://www.readbyqxmd.com/read/28765396/erratum-for-karl-et-al-substituting-whole-grains-for-refined-grains-in-a-6-wk-randomized-trial-favorably-affects-energy-balance-metrics-in-healthy-men-and-postmenopausal-women-am-j-clin-nutr-2017-105-589-99
#8
(no author information available yet)
No abstract text is available yet for this article.
August 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28760943/individual-and-combined-effects-of-dietary-factors-on-risk-of-incident-hypertension-prospective-analysis-from-the-nutrinet-sant%C3%A3-cohort
#9
Helene Lelong, Jacques Blacher, Julia Baudry, Solia Adriouch, Pilar Galan, Leopold Fezeu, Serge Hercberg, Emmanuelle Kesse-Guyot
Dietary intake is pointed as one of the major determinants in hypertension development. Data in the area are mostly obtained from cross-sectional studies. We aimed to investigate the prospective association between (1) individual nutritional factors and (2) adherence to the Dietary Approach to Stop Hypertension and the risk of incident hypertension in a large cohort study. We prospectively examined the incidence of hypertension among 80 426 French adults participating in the NutriNet-Santé cohort study. Self-reported sociodemographic, lifestyle health questionnaires and dietary consumption assessed by three 24-hour records were completed at baseline and yearly thereafter...
July 31, 2017: Hypertension
https://www.readbyqxmd.com/read/28758252/lunch-time-food-source-is-associated-with-school-hour-and-school-day-diet-quality-among-canadian-children
#10
C N Tugault-Lafleur, J L Black, S I Barr
BACKGROUND: There is limited research on the dietary behaviours of Canadian children at school, including where students obtain food from during school hours or whether lunch-time food source influences diet quality. METHODS: Nationally representative cross-sectional data from 24-h dietary recalls were analysed from the 2004 Canadian Community Health Survey (n = 4589). Dietary outcomes included school hour and school day dietary intakes and School Healthy Eating Index (S-HEI) scores...
July 31, 2017: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/28753929/whole-grain-intake-and-glycaemic-control-in-healthy-subjects-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#11
REVIEW
Stefano Marventano, Claudia Vetrani, Marilena Vitale, Justyna Godos, Gabriele Riccardi, Giuseppe Grosso
BACKGROUNDS: There is growing evidence from both observational and intervention studies that Whole Grain (WG) cereals exert beneficial effects on human health, especially on the metabolic profile. The aim of this study was to perform a meta-analysis of randomised controlled trials (RCT) to assess the acute and medium/long-term effect of WG foods on glycaemic control and insulin sensitivity in healthy individuals. METHODS: A search for all the published RCT on the effect of WG food intake on glycaemic and insulin response was performed up to December 2016...
July 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28748134/genomic-characterization-reconfirms-the-taxonomic-status-of-lactobacillus-parakefiri
#12
Yasuhiro Tanizawa, Hisami Kobayashi, Eli Kaminuma, Mitsuo Sakamoto, Moriya Ohkuma, Yasukazu Nakamura, Masanori Arita, Masanori Tohno
Whole-genome sequencing was performed for Lactobacillus parakefiri JCM 8573(T) to confirm its hitherto controversial taxonomic position. Here, we report its first reliable reference genome. Genome-wide metrics, such as average nucleotide identity and digital DNA-DNA hybridization, and phylogenomic analysis based on multiple genes supported its taxonomic status as a distinct species in the genus Lactobacillus. The availability of a reliable genome sequence will aid future investigations on the industrial applications of L...
2017: Bioscience of Microbiota, Food and Health
https://www.readbyqxmd.com/read/28744853/poor-appetite-and-dietary-intake-in-community-dwelling-older-adults
#13
Barbara S van der Meij, Hanneke A H Wijnhoven, Jung S Lee, Denise K Houston, Trisha Hue, Tamara B Harris, Stephen B Kritchevsky, Anne B Newman, Marjolein Visser
BACKGROUND/OBJECTIVES: Poor appetite in older adults leads to sub-optimal food intake and increases the risk of undernutrition. The impact of poor appetite on food intake in older adults is unknown. The aim of this study was to examine the differences in food intake among older community-dwelling adults with different reported appetite levels. DESIGN: Cross-sectional analysis of data from a longitudinal prospective study. SETTING: Health, aging, and body composition study performed in the USA...
July 26, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28744302/nitrogen-fertilizer-deep-placement-for-increased-grain-yield-and-nitrogen-recovery-efficiency-in-rice-grown-in-subtropical-china
#14
Meng Wu, Guilong Li, Weitao Li, Jia Liu, Ming Liu, Chunyu Jiang, Zhongpei Li
Field plot experiments were conducted over 3 years (from April 2014 to November 2016) in a double-rice (Oryza sativa L.) cropping system in subtropical China to evaluate the effects of N fertilizer placement on grain yield and N recovery efficiency (NRE). Different N application methods included: no N application (CK); N broadcast application (NBP); N and NPK deep placement (NDP and NPKDP, respectively). Results showed that grain yield and apparent NRE significantly increased for NDP and NPKDP as compared to NBP...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28742063/demagnetization-harmonic-effects-on-the-magnetization-of-granular-systems-on-a-macroscopic-scale-the-superconducting-case
#15
Davide Mancusi, Armando Galluzzi, Sandro Pace, Massimiliano Polichetti
A model has been developed to determine the effective ac magnetic response of magnetic systems, taking into account the demagnetization effects arising from the sample geometry which determine out-of-phase components of the applied fundamental frequency and higher harmonic components. Indeed, demagnetization fields and their intermodulation can significantly affect the ac magnetic response. This approach provides a system of self-consistent linear equations relating the magnetic response to the external magnetic field by means of the nonlinear magnetic susceptibility...
July 25, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28728684/healthful-and-unhealthful-plant-based-diets-and-the-risk-of-coronary-heart%C3%A2-disease-in-u-s-adults
#16
Ambika Satija, Shilpa N Bhupathiraju, Donna Spiegelman, Stephanie E Chiuve, JoAnn E Manson, Walter Willett, Kathryn M Rexrode, Eric B Rimm, Frank B Hu
BACKGROUND: Plant-based diets are recommended for coronary heart disease (CHD) prevention. However, not all plant foods are necessarily beneficial for health. OBJECTIVES: This study sought to examine associations between plant-based diet indices and CHD incidence. METHODS: We included 73,710 women in NHS (Nurses' Health Study) (1984 to 2012), 92,329 women in NHS2 (1991 to 2013), and 43,259 men in Health Professionals Follow-up Study (1986 to 2012), free of chronic diseases at baseline...
July 25, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28727545/role-of-age-and-acculturation-in-diet-quality-among-mexican-americans-findings-from-the-national-health-and-nutrition-examination-survey-1999-2012
#17
Yilin Yoshida, Richard Scribner, Liwei Chen, Stephanie Broyles, Stephen Phillippi, Tung-Sung Tseng
Age and acculturation may play a role in diet quality among Mexican Americans. This study examined diet quality in Mexican Americans by age and whether acculturation influences diet quality across different age groups, using data from the National Health and Nutrition Examination Survey (NHANES). Diet quality, measured by the Healthy Eating Index 2010, improved with age except in categories of dairy, sodium, and refined grains. More acculturation was associated with lower scores in overall diet quality and categories of vegetables, fruits, and sodium and empty calories across almost all ages, but higher scores in grain categories, especially in younger groups...
July 20, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28724928/on-wakefulness-fluctuations-as-a-source-of-bold-functional-connectivity-dynamics
#18
Ariel Haimovici, Enzo Tagliazucchi, Pablo Balenzuela, Helmut Laufs
Human brain dynamics and functional connectivity fluctuate over a range of temporal scales in coordination with internal states and environmental demands. However, the neurobiological significance and consequences of functional connectivity dynamics during rest have not yet been established. We show that the coarse-grained clustering of whole-brain dynamic connectivity measured with magnetic resonance imaging reveals discrete patterns (dynamic connectivity states) associated with wakefulness and sleep. We validate this using EEG in healthy subjects and patients with narcolepsy and by matching our results with previous findings in a large collaborative database...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724072/genome-wide-analysis-of-tar-spot-complex-resistance-in-maize-using-genotyping-by-sequencing-snps-and-whole-genome-prediction
#19
Shiliang Cao, Alexander Loladze, Yibing Yuan, Yongsheng Wu, Ao Zhang, Jiafa Chen, Gordon Huestis, Jingsheng Cao, Vijay Chaikam, Michael Olsen, Boddupalli M Prasanna, Felix San Vicente, Xuecai Zhang
Tar spot complex (TSC) is one of the most destructive foliar diseases of maize ( L.) in tropical and subtropical areas of Central and South America, causing significant grain yield losses when weather conditions are conducive. To dissect the genetic architecture of TSC resistance in maize, association mapping, in conjunction with linkage mapping, was conducted on an association-mapping panel and three biparental doubled-haploid (DH) populations using genotyping-by-sequencing (GBS) single-nucleotide polymorphisms (SNPs)...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28715430/resequencing-and-variation-identification-of-whole-genome-of-the-japonica-rice-variety-longdao24-with-high-yield
#20
Shukun Jiang, Shichen Sun, Liangming Bai, Guohua Ding, Tongtong Wang, Tianshu Xia, Hui Jiang, Xijuan Zhang, Fengming Zhang
Japonica rice mainly distributes in north of China, which accounts for more than half of the total japonica rice cultivated area of China. High yield, good grain quality and early heading date were the main breeding traits and commercial property in this region. We performed re-sequencing and genome wide variation analysis of one typical northern japonica rice variety Longdao24 and its parents (Longdao5 and Jigeng83) using the Illumina sequencing technology. 53.17 G clean bases were generated and more than 96...
2017: PloS One
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