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https://www.readbyqxmd.com/read/28728407/effects-of-cooking-method-and-final-core-temperature-on-cooking-loss-lipid-oxidation-nucleotide-related-compounds-and-aroma-volatiles-of-hanwoo-brisket
#1
Dicky Tri Utama, Ki Ho Baek, Hae Seong Jeong, Seok Ki Yoon, Seon-Tea Joo, Sung Ki Lee
Objective: This study was performed to observe the effects of cooking method and final core temperature on cooking loss, lipid oxidation, aroma volatiles, nucleotide-related compounds and aroma volatiles of Hanwoo brisket (deep pectoralis). Methods: Deep pectoralis muscles (8.65% of crude fat) were obtained from three Hanwoo steer carcasses with 1+ quality grade. Samples were either oven-roasted at 180°C (dry heat) or cooked in boiling water (moist heat) to final core temperature of 70°C (medium) or 77°C (well-done)...
July 6, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28728403/newborn-traits-associated-with-pre-weaning-growth-and-survival-in-piglets
#2
Morakot Nuntapaitoon, Ramon Muns, Padet Tummaruk
Objective: Piglet pre-weaning mortality is an important variable indicating the efficacy of farrowing management and animal well-being during lactation. The present study determined the association of newborn traits measured soon after birth with piglet pre-weaning mortality and growth. Methods: In total, 805 piglets born from 57 multiparous sows were investigated. Their blood oxygen saturation, blood glucose and rectal temperature at 24 h after birth (RT24h) were monitored...
July 17, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28728366/effect-of-dietary-%C3%AE-mannanase-on-productive-performance-egg-quality-and-utilization-of-dietary-energy-and-nutrients-in-aged-laying-hens-raised-under-hot-climatic-conditions
#3
Moon Chan Kim, Jong Hyuk Kim, Franco Martinez Pitargue, Do Yoon Koo, Hyeon Seok Choi, Dong Yong Kil
Objective: The objective of this experiment was to investigate the effect of dietary β-mannanase on productive performance, egg quality, and utilization of dietary energy and nutrients in aged laying hens raised under hot climatic conditions. Methods: A total of 320 84-wk-old Hy-line Brown aged laying hens were allotted to one of four treatments with eight replicates in a completely randomized design. Two dietary treatments with high energy (HE; 2,800 kcal/kg AMEn) and low energy (LE; 2,700 kcal/kg AMEn) were formulated...
June 27, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28728360/isolation-and-characterization-of-a-novel-gossypol-degrading-bacteria-bacillus-subtilis-strain-rbs
#4
Yunhua Zhang, Lijuan Chen, Zhengyou Zhang, Li Dai, Ying Liu, Maoji Cheng
Objective: An experiment was conducted to isolate gossypol-degrading bacteria and assessed its potential for gossypol degradation. Methods: Rumen liquid was collected from the rumen of cows through fistula from the experimental pasture. Approximately 1 ml of the rumen liquid was spread onto basal medium plates containing 2 g/l gossypol as the only source of carbon and was then cultured at 39°C to isolate gossypol-degrading bacteria. The isolated colonies were cultured for 6 h and then observed their size and shape by the microscope and scanning electron microscope...
June 27, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28728308/methane-uptake-in-global-forest-and-grassland-soils-from-1981-to-2010
#5
Lijun Yu, Yao Huang, Wen Zhang, Tingting Li, Wenjuan Sun
Methane (CH4) is one of the most potent greenhouse gases. Although forest and grassland soils generally consume atmospheric CH4, the quantities and spatiotemporal changes in CH4 uptake remain largely uncertain for these ecosystems at the global scale. In this study, we developed an empirical model to estimate the CH4 uptake in global forest and grassland soils during the period 1981-2010. We estimated that the mean values of CH4 uptake were 9.16 (± 3.84) Tg yr(-1) in forest soils and 3.73 (± 1.41) Tg yr(-1) in grassland soils during the study period...
July 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28728307/changes-in-reference-evapotranspiration-and-its-driving-factors-in-the-middle-reaches-of-yellow-river-basin-china
#6
Dunxian She, Jun Xia, Yongyong Zhang
Reference evapotranspiration (ET0) is important for agricultural, environmental and other studies, and understanding the attribution of its change is helpful to provide information for irrigation scheduling and water resources management. The present study investigates the attribution of the change of ET0 at 49 meteorological stations in the middle reaches of Yellow River basin (MRYRB) of China from 1960 to 2012. Results show that annual ET0 increases from the northwest to the southeast of MRYRB in space. We find that annual ET0 clearly presents a zigzag change pattern rather than a monotonically change during the whole period...
July 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28728126/electrospun-cerium-based-tio2-nanofibers-for-photocatalytic-oxidation-of-elemental-mercury-in-coal-combustion-flue-gas
#7
Lulu Wang, Yongchun Zhao, Junying Zhang
Photocatalytic oxidation is an attractive method for Hg-rich flue gas treatment. In the present study, a novel cerium-based TiO2 nanofibers was prepared and selected as the catalyst to remove mercury in flue gas. Accordingly, physical/chemical properties of those nanofibers were clarified. The effects of some important parameters, such as calcination temperature, cerium dopant content and different illumination conditions on the removal of Hg(0) using the photocatalysis process were investigated. In addition, the removal mechanism of Hg(0) over cerium-based TiO2 nanofibers focused on UV irradiation was proposed...
July 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28728120/cadmium-and-high-temperature-effects-on-brain-and-behaviour-of-lymantria-dispar-l-caterpillars-originating-from-polluted-and-less-polluted-forests
#8
Vesna Perić-Mataruga, Branka Petković, Larisa Ilijin, Marija Mrdaković, Slađana Dronjak Čučaković, Dajana Todorović, Milena Vlahović
Insects brain as a part of nervous system is the first-line of fast stress response that integrate stress signals to regulate all aspects of insect physiology and behaviour. The cadmium (Cd) bioaccumulation factor (BF), activity of the neurotoxicity biomarker acetylcholinesterase (AChE), dopamine content, expression and amount of Hsp70 in the brain and locomotor activity were evaluated in the 4th instar of Lymantria dispar L. caterpillars fed a Cd supplemented diet and reared in an optimal temperature regime (23 °C) and/or exposed to high temperature (28 °C)...
July 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/28728051/detailed-mechanisms-of-1-h-spin-lattice-relaxation-in-ammonium-dihydrogen-phosphate-confirmed-by-magic-angle-spinning
#9
Shigenobu Hayashi, Keiko Jimura
Mechanisms of the (1)H spin-lattice relaxation in NH4H2PO4 were studied in detail by use of the effect of magic angle spinning on the relaxation. The acid and the ammonium protons have different relaxation times at the spinning rates higher than 10 kHz due to suppression of spin diffusion between the two kinds of protons. The intrinsic relaxation times not affected by the spin diffusion and the spin-diffusion assisted relaxation times were evaluated separately, taking into consideration temperature dependence...
July 8, 2017: Solid State Nuclear Magnetic Resonance
https://www.readbyqxmd.com/read/28728028/direct-evidence-of-the-photocatalytic-generation-of-reactive-oxygen-species-ros-in-a-bi2w2o9-layered-structure
#10
S Obregón, M A Ruíz-Gómez, D B Hernández-Uresti
In the present work, the Bi2W2O9 photocatalyst has been prepared by an easy and prompt co-precipitation route. From the structural characterization, we have stated that the formation of the Bi2W2O9 is accompanied by a small amount of the Bi2WO6 oxide, which gradually decreases by increasing the calcination temperature. The conduction and valence band edges of the Bi2W2O9 semiconductor were experimentally estimated for the first time using the X-ray photoelectron (XPS) and diffuse reflectance (DRS) spectroscopies...
July 8, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28728027/highly-sensitive-response-of-solution-processed-bismuth-sulfide-nanobelts-for-room-temperature-nitrogen-dioxide-detection
#11
Hao Kan, Min Li, Zhilong Song, Sisi Liu, Baohui Zhang, Jingyao Liu, Ming-Yu Li, Guangzu Zhang, ShengLin Jiang, Huan Liu
Low dimensional nanomaterials have emerged as candidates for gas sensors owing to their unique size-dependent properties. In this paper, Bi2S3 nanobelts were synthesized via a facile solvothermal process and spin-coated onto alumina substrates at room temperature. The conductometric devices can even sensitively response to the relatively low concentrations of NO2 at room temperature, and their sensing performance can be effectively enhanced by the ligand exchange treatment with inorganic salts. The Pb(NO3)2-treated device exhibited superior sensing performance of 58...
July 5, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28728005/thermal-destruction-of-organic-waste-hydrophobicity-for-agricultural-soils-application
#12
Francisco Comino, Víctor Aranda, Ana Domínguez-Vidal, María José Ayora-Cañada
Use of organic amendments is a good strategy for combating the growing problem of soil degradation due to deterioration of organic matter content, particularly severe in semi-arid European Mediterranean regions, while at the same time providing an opportunity for recycling organic wastes. Olive mill pomace (OMP), the main by-product of the olive oil industry, is being used increasingly in olive grove soils for this purpose. Although the positive effects of OMP amendments have been widely studied, they also have some negative effects on soil...
July 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28728004/effects-of-aspect-ratio-of-multi-walled-carbon-nanotubes-on-coal-washery-waste-water-treatment
#13
Ahmed Aliyu, Ishaq Kariim, Saka Ambali Abdulkareem
The dependency of adsorption behaviour on the aspect ratio of multi-walled carbon nanotubes (MWCNTs) has been explored. In this study, effect of growth temperature on yield and aspect ratio of MWCNTs by catalytic chemical vapour deposition (CCVD) method is reported. The result revealed that yield and aspect ratio of synthesised MWCNTs strongly depend on the growth temperature during CCVD operation. The resulting MWCNTs were characterized by High Resolution Transmission Electron Microscope (HRTEM), Dynamic Light Scattering (DLS) and X-ray diffraction (XRD) techniques to determine it diameter, hydrodynamic diameter and crystallinity respectively...
July 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28728001/modeling-the-effect-of-temperature-control-curtain-on-the-thermal-structure-in-a-deep-stratified-reservoir
#14
Wei He, Jijian Lian, Ye Yao, Mudan Wu, Chao Ma
Temperature-control curtain (TCC) is an effective facility of selective withdrawal. Previous research has estimated the influence of TCC on the outflow temperature, but its effect on the thermal structure of a reservoir area is unknown, which is crucial to the reservoir ecology. For this purpose, taking the Sanbanxi Reservoir as a case study, a 2-D hydrodynamic and temperature model covering the whole reservoir was built and calibrated to simulate the flow and temperature fields under different TCC scenarios, and the change rules of thermal stability and outflow temperature are obtained...
July 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28727981/engaging-cold-to-upregulate-cell-proliferation-in-alginate-encapsulated-liver-spheroids
#15
Peter Kilbride, Krishnaa T Mahbubani, Kourosh Saeb-Parsy, George John Morris
For many years, the impact of hyper- and hypothermia on mammalian cells has been examined. With the exception of short, low temperature storage, which has uses in areas such as preservation for transplantation or regenerative medicine, advantages for the use of low temperature treatment in hepatocytes have not been previously reported. We have observed that alginate-encapsulated HepG2 liver spheroids that are cryopreserved or experience a cold reduction in temperature (≤10°C) for periods between 1 and 90 min display an enhanced cell proliferation during culture 7-16 days post-treatment compared with untreated samples...
July 20, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28727902/glucocorticoid-assessment-in-the-domestic-horse-the-impact-of-time-and-climatic-variables-on-sample-integrity
#16
K Yarnell, S L Walker
BACKGROUND: Assessment of faecal glucocorticoid metabolites (FGM) offers a non-invasive method of monitoring adrenal activity in domestic horses. Sample collection is on an opportunistic basis, and if samples are not fresh or have been exposed to the elements before they are identified, then they may not accurately reflect FGM concentration. OBJECTIVES: To explore the impact of a range of environmental conditions upon the integrity of FGM levels in equine faeces...
July 20, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28727799/atlantic-salmon-cardiac-primary-cultures-an-in-vitro-model-to-study-viral-host-pathogen-interactions-and-pathogenesis
#17
Patricia A Noguera, Bianka Grunow, Matthias Klinger, Katherine Lester, Bertrand Collet, Jorge Del-Pozo
Development of Salmon Cardiac Primary Cultures (SCPCs) from Atlantic salmon pre-hatch embryos and their application as in vitro model for cardiotropic viral infection research are described. Producing SCPCs requires plating of trypsin dissociated embryos with subsequent targeted harvest from 24h up to 3 weeks, of relevant tissues after visual identification. SCPCs are then transferred individually to chambered wells for culture in isolation, with incubation at 15-22°. SCPCs production efficiency was not influenced by embryo's origin (0...
2017: PloS One
https://www.readbyqxmd.com/read/28727798/cloning-and-expression-of-genes-encoding-heat-shock-proteins-in-liriomyza-trifolii-and-comparison-with-two-congener-leafminer-species
#18
Ya-Wen Chang, Jing-Yun Chen, Ming-Xing Lu, Yuan Gao, Zi-Hua Tian, Wei-Rong Gong, Chang-Sheng Dong, Yu-Zhou Du
The polyphagous agromyzid fly, Liriomyza trifolii, is a significant and important insect pest of ornamental and vegetable crops worldwide. The adaptation of insects to different environments is facilitated by heat shock proteins (HSPs), which play an important role in acclimation to thermal stress. In this study, we cloned and characterized five HSP-encoding genes of L. trifolii (Lthsp20, Lthsp40, Lthsp60, Lthsp70, and Lthsp90) and monitored their expression under different thermal stresses using real-time quantitative PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28727757/development-of-organic-fertilizers-from-food-market-waste-and-urban-gardening-by-composting-in-ecuador
#19
J Jara-Samaniego, M D Pérez-Murcia, M A Bustamante, C Paredes, A Pérez-Espinosa, I Gavilanes-Terán, M López, F C Marhuenda-Egea, H Brito, R Moral
Currently, the management of urban waste streams in developing countries is not optimized yet, and in many cases these wastes are disposed untreated in open dumps. This fact causes serious environmental and health problems due to the presence of contaminants and pathogens. Frequently, the use of specific low-cost strategies reduces the total amount of wastes. These strategies are mainly associated to the identification, separate collection and composting of specific organic waste streams, such as vegetable and fruit refuses from food markets and urban gardening activities...
2017: PloS One
https://www.readbyqxmd.com/read/28727744/climate-change-and-sugarcane-expansion-increase-hantavirus-infection-risk
#20
Paula Ribeiro Prist, María Uriarte, Katia Fernandes, Jean Paul Metzger
Hantavirus Cardiopulmonary Syndrome (HCPS) is a disease caused by Hantavirus, which is highly virulent for humans. High temperatures and conversion of native vegetation to agriculture, particularly sugarcane cultivation can alter abundance of rodent generalist species that serve as the principal reservoir host for HCPS, but our understanding of the compound effects of land use and climate on HCPS incidence remains limited, particularly in tropical regions. Here we rely on a Bayesian model to fill this research gap and to predict the effects of sugarcane expansion and expected changes in temperature on Hantavirus infection risk in the state of São Paulo, Brazil...
July 2017: PLoS Neglected Tropical Diseases
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