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https://www.readbyqxmd.com/read/28637332/coarse-particle-inclusion-and-lignocellulose-rich-fiber-addition-in-feed-benefit-performance-and-health-of-broiler-chickens
#1
Sarbast K Kheravii, Robert A Swick, Mingan Choct, Shu-Biao Wu
Measures to improve gut health and nutrient digestibility have been sought due to in-feed antibiotics being phased out in poultry. The appropriate physical structure of feed ingredients and addition of dietary fiber may be beneficial in enhancing gut health in poultry. In this study, the effect of a lignocellulose-rich fiber source and corn particle size on broiler performance, gizzard development, nutrient digestibility, cecal microflora, and litter quality was evaluated. A total of 684 day-old male Ross 308 chicks were randomly allocated to 6 treatments with 6 replicate pens, each housing 19 birds...
June 15, 2017: Poultry Science
https://www.readbyqxmd.com/read/28637163/the-impacts-of-biomass-properties-on-pyrolysis-yields-economic-and-environmental-performance-of-the-pyrolysis-bioenergy-biochar-platform-to-carbon-negative-energy
#2
Wenqin Li, Qi Dang, Robert C Brown, David Laird, Mark M Wright
This study evaluated the impact of biomass properties on the pyrolysis product yields, economic and environmental performance for the pyrolysis-biochar-bioenergy platform. We developed and applied a fast pyrolysis, feedstock-sensitive, regression-based chemical process model to 346 different feedstocks, which were grouped into five types: woody, stalk/cob/ear, grass/plant, organic residue/product and husk/shell/pit. The results show that biomass ash content of 0.3-7.7wt% increases biochar yield from 0.13 to 0...
June 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28637087/deleting-pck-improves-growth-and-suppresses-by-product-formation-during-1-3-propanediol-fermentation-by-klebsiella-pneumoniae
#3
Yongqiang Zhang, Zongxiao Ji, Jie Lin, Danfeng Xu, Shuilin Fu, Heng Gong
AIMS: To investigate the role of phosphoenolpyruvate (PEP) carboxylation in cell metabolism in Klebsiella pneumoniae. METHODS AND RESULTS: The effects of deleting pck, which encodes PEP carboxykinase (PCK), and/or ppc, which encodes PEP carboxylase (PPC), on growth, enzyme activity, and metabolite formation of K. pneumoniae were investigated. A self-regulatory mechanism of PEP carboxylation was found in ppc- or pck-deficient mutants, which resulted in almost no change of succinate formation...
June 21, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28637032/investigation-of-an-immediate-effect-of-bright-light-on-oxygen-consumption-heart-rate-cortisol-and-%C3%AE-amylase-in-seasonal-affective-disorder-subjects-and-healthy-controls
#4
Iana A Ivanova, Konstantin V Danilenko, Lyubomir I Aftanas
BACKGROUND: Body (fat) mass has been shown to decrease following bright light treatment for overweight women, irrespective of their seasonal (light) dependence. It is not known if this is due to an (immediate) increase of metabolism. METHODS: Ten women with seasonal affective disorder (SAD) and 10 non-SAD women matched by age, body mass index, and menopausal status participated in a laboratory study in the morning, twice within 1-5 days. During one session, bright light (4,300 lx) was presented for 30 min, and during the other session, red light (250 lx "placebo") was used...
June 22, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28636819/superelastic-pseudocapacitors-from-freestanding-mno2-decorated-graphene-coated-carbon-nanotube-aerogels
#5
Yepin Zhao, Maxwell Patrick Li, Siyuan Liu, Mohammad F Islam
In recent years, the demand for emerging electronic devices has driven efforts to develop electrochemical capacitors with high power and energy densities that can preserve capacitance under and after recovery from mechanical deformation. We have developed superelastic pseudocapacitors using ≈ 1.5 mm thick graphene-coated single-walled carbon nanotube (SWCNT) aerogels decorated with manganese oxide (MnO2) as freestanding electrodes that retain high volumetric capacitance and electrochemical stability before, under, and after recovery from 50% compression...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28636668/microbiota-in-anorexia-nervosa-the-triangle-between-bacterial-species-metabolites-and-psychological-tests
#6
Francesca Borgo, Alessandra Riva, Alberto Benetti, Maria Cristina Casiraghi, Sara Bertelli, Stefania Garbossa, Simona Anselmetti, Silvio Scarone, Antonio E Pontiroli, Giulia Morace, Elisa Borghi
Anorexia nervosa (AN) is a psychiatric disease with devastating physical consequences, with a pathophysiological mechanism still to be elucidated. Metagenomic studies on anorexia nervosa have revealed profound gut microbiome perturbations as a possible environmental factor involved in the disease. In this study we performed a comprehensive analysis integrating data on gut microbiota with clinical, anthropometric and psychological traits to gain new insight in the pathophysiology of AN. Fifteen AN women were compared with fifteen age-, sex- and ethnicity-matched healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28636594/surface-tension-prevails-over-solute-effect-in-organic-influenced-cloud-droplet-activation
#7
Jurgita Ovadnevaite, Andreas Zuend, Ari Laaksonen, Kevin J Sanchez, Greg Roberts, Darius Ceburnis, Stefano Decesari, Matteo Rinaldi, Natasha Hodas, Maria Cristina Facchini, John H Seinfeld, Colin O' Dowd
The spontaneous growth of cloud condensation nuclei (CCN) into cloud droplets under supersaturated water vapour conditions is described by classic Köhler theory. This spontaneous activation of CCN depends on the interplay between the Raoult effect, whereby activation potential increases with decreasing water activity or increasing solute concentration, and the Kelvin effect, whereby activation potential decreases with decreasing droplet size or increases with decreasing surface tension, which is sensitive to surfactants...
June 21, 2017: Nature
https://www.readbyqxmd.com/read/28636342/charge-transfer-properties-of-triarylamine-integrated-dimolybdenum-dyads
#8
Lu Chen, Suman Mallick, Ying Ning Tan, Miao Meng, Chun Y Liu
Three quadruply bonded dimolybdenum complexes equipped with a triarylamine pendant, [(DAniF)3Mo2(μ-O2CC6H4N(C6H4CH3)2] (DAniF = N,N'-di(p-anisyl)formamidinate; [OO-ph-N]), [(DAniF)3Mo2(μ-OSCC6H4N(C6H4CH3)2] ([OS-ph-N]), and [(DAniF)3Mo2(μ-S2CC6H4N(C6H4CH3)2] ([SS-ph-N]), have been synthesized and characterized by single crystal X-ray diffraction. In electrochemical measurements, the redox couple for the organic amine group becomes irreversible, reflecting the substantially strong electronic interaction between the dimetal center and organic redox site...
June 21, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28636334/interpreting-the-collision-cross-sections-of-native-like-protein-ions-insights-from-cation-to-anion-proton-transfer-reactions
#9
Kenneth J Laszlo, Matthew F Bush
The effects of charge state on structures of native-like cations of serum albumin, streptavidin, avidin, and alcohol dehydrogenase were probed using cation-to-anion proton-transfer reactions (CAPTR), ion mobility, mass spectrometry, and complementary energy-dependent experiments. The CAPTR products all have collision cross section (Ω) values that are within 5.5% of the original precursor cations. The first CAPTR event for each precursor yields products that have smaller Ω values and frequently exhibit the greatest magnitude of change in Ω resulting from a single CAPTR event...
June 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28636328/structural-dynamics-of-native-like-ions-in-the-gas-phase-results-from-tandem-ion-mobility-of-cytochrome-c
#10
Samuel J Allen, Rachel M Eaton, Matthew F Bush
Ion mobility (IM) is a gas-phase separation technique that is used to determine the collision cross sections of native-like ions of proteins and protein complexes, which are in turn used as restraints for modeling the structures of those analytes in solution. Here, we evaluate the stability of native-like ions using tandem IM experiments implemented using Structures for Lossless Ion Manipulations (SLIM). In this implementation of tandem IM, ions undergo a first dimension of IM up to a switch that is used to selectively transmit ions of a desired mobility...
June 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28636005/mass-mobility-and-ms-n-measurements-of-single-ions-using-charge-detection-mass-spectrometry
#11
Andrew G Elliott, Conner C Harper, Haw-Wei Lin, Evan R Williams
Charge detection mass spectrometry is used to measure the mass, charge, MS(n) and mobility of an individual ion produced by electrospray ionization of a 8 MDa polyethylene glycol sample. The charge detection mass spectrometer is an electrostatic ion trap that uses cone electrodes and a single tube detector and can detect ions for up to the full trapping time of 4.0 s. The time-domain signal induced on the detector tube by a single multiply charged ion can be complex owing to sequential fragmentation of the original precursor ion as well as increasing oscillation frequencies of the single ion owing to collisions with background gas that reduce the kinetic energy of the ion inside the trap...
June 21, 2017: Analyst
https://www.readbyqxmd.com/read/28635522/dietary-intake-among-opioid-and-alcohol-using-pregnant-women
#12
Shikhar Shrestha, Elizabeth Jimenez, Laura Garrison, Peter Pribis, Dennis W Raisch, Julia M Stephen, Ludmila N Bakhireva
BACKGROUND: Substance abuse in nonpregnant adults has been associated with increased intake in calories and decreased intake of nutrient-dense foods; however, studies examining dietary intake in opioid-using and alcohol-using pregnant women are lacking. OBJECTIVE: The objective of this study was to evaluate dietary intake in opioid-using pregnant women with or without concurrent light-to-moderate alcohol use as compared to abstaining controls. METHODS: This prospective birth cohort included 102 pregnant women classified into four study groups: controls (n = 27), medication-assisted treatment (MAT; n = 26), alcohol (ALC; n = 22), and concurrent use of both substances (MAT + ALC; n = 27)...
February 22, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28635300/pyridine-dinucleotides-from-molecules-to-man
#13
Joshua P Fessel, William M Oldham
SIGNIFICANCE: Pyridine dinucleotides, NAD and NADP, were discovered over 100 years ago as necessary cofactors for fermentation in yeast extracts. Since that time, these molecules have been recognized as fundamental players in a variety of cellular processes, including energy metabolism, redox homeostasis, cellular signaling, and gene transcription, among many others. Given their critical role as mediators of cellular responses to metabolic perturbations, it is unsurprising that dysregulation of NAD and NADP metabolism has been associated with the pathobiology of many chronic human diseases...
June 21, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28635288/color-control-of-pr-3-luminescence-by-electron-hole-recombination-energy-transfer-in-catio3-and-cazro3
#14
Zoila Barandiaran, Marco Bettinelli, Luis Seijo
Controlling luminescence in phosphors able to produce several emissions from different stable excited states determines their use in optical devices. We investigate the color control mechanism that quenches the greenish-blue emission in favor of the red one in the archetype phosphor CaTiO3:Pr(3+). State-of-the-art ab initio calculations indicate that direct host-to-dopant energy transfer (released by electron-hole recombination following the interband excitation and structural reorganization) selectively populates the (1)D2 red luminescent state of Pr(3+) and bypasses the (3)P0 greenish-blue emitter...
June 21, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28635272/efficient-flame-retardant-and-smoke-suppression-properties-of-mg-al-layered-double-hydroxide-nanostructures-on-wood-substrate
#15
Bingtuo Guo, Yongzhuang Liu, Qi Zhang, Fengqiang Wang, Qingwen Wang, Yixing Liu, Jian Li, Haipeng Yu
Improving the flame retardancy of wood is an imperative, yet highly challenging step in the application of wood in densely populated spaces. In this study, Mg-Al layered double hydroxide (LDH) coating was successfully fabricated on a wood substrate to confer flame-retardant and smoke-suppression properties. The chemical compositions and bonding states characterized by energy-dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy confirmed the coating constituents of Mg-Al LDH. The coating evenly covered the sample wood surfaces and provided both mechanical enhancement and flame-retardancy effects...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28635266/boosting-the-thermoelectric-performance-of-na-k-co-doped-polycrystalline-snse-by-synergistic-tailoring-of-the-band-structure-and-atomic-scale-defect-phonon-scattering
#16
Zhen-Hua Ge, Dongsheng Song, Xiaoyu Chong, Fengshan Zheng, Lei Jin, Xin Qian, Lei Zheng, Rafal E Dunin-Borkowski, Peng Qin, Jing Feng, Li-Dong Zhao
We report high thermoelectric performance in p-type polycrystalline SnSe by the synergistic tailoring of band structures and all-length-scale phonon scattering via (Na, K) co-doping. The energy offsets of multiple valence bands in SnSe are decreased after Na doping and further reduced by (Na, K) co-doping, resulting in an enhancement in the Seebeck coefficient and an increase in the power factor to 492 μWm-1K-2. The lattice thermal conductivity of polycrystalline SnSe is decreased by the introduction of effective phonon scattering centers, such as point defects and anti-phase boundaries...
June 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28635117/the-relationship-between-fish-consumption-and-disease-activity-in-rheumatoid-arthritis
#17
Sara K Tedeschi, Joan M Bathon, Jon T Giles, Tzu-Chieh Lin, Kazuki Yoshida, Daniel H Solomon
OBJECTIVE: To assess whether more frequent fish consumption is associated with lower RA disease activity scores among participants in an RA cohort. METHODS: We conducted a cross-sectional analysis using baseline data from participants in the Evaluation of Subclinical Cardiovascular Disease and Predictors of Events in RA (ESCAPE-RA) cohort study. Frequency of fish consumption was assessed by a baseline food frequency questionnaire assessing usual diet in the past year...
June 21, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28634792/impairments-of-cadmium-on-vitellogenin-accumulation-in-the-hepatopancreas-of-freshwater-crab-sinopotamon-henanense
#18
Jian Yang, Hui Sun, Yu Qian, Jie Yang
During ovary maturation of crabs, vitellogenin (Vg), a precursor molecule of vitellin (Vn) needed for embryogenesis, can be produced in large quantities in the hepatopancreas and then transported to the ovary by the hemolymph. In the present study, effects of Cd on Vg accumulation in the hepatopancreas and Vg transportation of the freshwater crab Sinopotamon henanense were investigated. We also studied the impacts of Cd on the mRNA expression of genes involved in energy metabolism, protein metabolism, and metallothionein (MT) and glutathione (GSH) synthesis...
June 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28634587/exercise-metabolism-in-nonobese-patients-with-type-2-diabetes-following-the-acute-restoration-of-normoglycaemia
#19
Christopher J Gaffney, Peter Mansell, Francis B Stephens, Ian A Macdonald, Kostas Tsintzas
This study investigated how acute restoration of normoglycaemia affected energy metabolism during exercise in nonobese patients with type 2 diabetes. Six subjects (mean ± SEM) aged 56.2 ± 2.7 years, with a BMI of 24.5 ± 1.5 kg/m(2) and a VO2 peak of 28.7 ml/kg/min, attended the lab on two randomised occasions for a four-hour resting infusion of insulin or saline, followed by 30 minutes cycling at 50% VO2 peak. During the 4 h resting infusion, there was a greater (P < 0.0001) reduction in blood glucose in insulin treatment (INS) (from 11...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28634367/proteomic-analysis-reveals-large-amounts-of-decomposition-enzymes-and-major-metabolic-pathways-involved-in-algicidal-process-of-trametes-versicolor-f21a
#20
Xueyan Gao, Congyan Wang, Wei Dai, Shenrong Ren, Fang Tao, Xingbing He, Guomin Han, Wei Wang
A recent algicidal mode indicates that fungal mycelia can wrap and eliminate almost all co-cultivated algal cells within a short time span. However, the underlying molecular mechanism is rarely understood. We applied proteomic analysis to investigate the algicidal process of Trametes versicolor F21a and identified 3,754 fungal proteins. Of these, 30 fungal enzymes with endo- or exoglycosidase activities such as β-1,3-glucanase, α-galactosidase, α-glucosidase, alginate lyase and chondroitin lyase were significantly up-regulated...
June 20, 2017: Scientific Reports
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