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https://www.readbyqxmd.com/read/28231700/effect-on-quanti-quality-milk-and-mozzarella-cheese-characteristics-with-further-increasing-the-level-of-dried-stoned-olive-pomace-in-diet-for-lactating-buffalo
#1
Agnese Taticchi, Settimio Bartocci, Maurizio Servili, Sabrina Di Giovanni, Mariano Pauselli, Evangelia Mourvaki, David Meo Zilio, Stefano Terramoccia
Objective: Following a previous report, an experiment was conducted to determine the effect of increasing level of DSOP (dried stoned olives pomaces) in the diet of lactating buffaloes on milk and mozzarella cheese yield and characteristics. Methods: Sixteen pluriparous buffaloes distributed into two groups were fed an isoenergetic (0.9 Milk FU/kg) and isoprotein (149 g/kg DM of crude protein) diet, with or without DSOP. Each animal received 17 kg DM/d. Samples of forages and concentrates were weekly collected and used for duplicate chemical analyses...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231695/blood-amino-acids-profile-responding-to-heat-stress-in-dairy-cows
#2
Jiang Guo, Shengtao Gao, Suyu Quan, Yangdong Zhang, Dengpan Bu, Jiaqi Wang
The objective of this experiment was to investigate the effects of heat stress on milk protein and blood amino acid profile in dairy cows. Twelve dairy cows with the similar parity, days in milk and milk yield were randomly divided into two groups with six cows raised in summer and others in autumn, respectively. Constant managerial conditions and diets were maintained during the experiment. Measurements and samples for heat stress and no heat stress were obtained according to the physical alterations of the temperature-humidity index...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231551/acute-effect-of-ozone-exposure-on-daily-mortality-in-seven-cities-of-jiangsu-province-china-no-clear-evidence-for-threshold
#3
Kai Chen, Lian Zhou, Xiaodong Chen, Jun Bi, Patrick L Kinney
BACKGROUND: Few multicity studies have addressed the health effects of ozone in China due to the scarcity of ozone monitoring data. A critical scientific and policy-relevant question is whether a threshold exists in the ozone-mortality relationship. METHODS: Using a generalized additive model and a univariate random-effects meta-analysis, this research evaluated the relationship between short-term ozone exposure and daily total mortality in seven cities of Jiangsu Province, China during 2013-2014...
February 20, 2017: Environmental Research
https://www.readbyqxmd.com/read/28231540/organic-amine-catalytic-organosolv-pretreatment-of-corn-stover-for-enzymatic-saccharification-and-high-quality-lignin
#4
Chenglun Tang, Junqiang Shan, Yanjun Chen, Lingxia Zhong, Tao Shen, Chenjie Zhu, Hanjie Ying
A novel and efficient organic amine and organosolv synergetic pretreatment method was developed to overcome the recalcitrance of lignocellulose to produce fermentable sugars and high-quality salt-free lignin. After optimization of the process parameters, a delignification of 81.7% and total sugar yield of 83.2% (87.1% glucose, 75.4% xylose) could be obtained using n-propylamine (10mmol/g, biomass) as a catalyst and aqueous ethanol (60%, v/v) as a solvent. The susceptibility of the substrates to enzymatic digestibility was explained by their physical and chemical characteristics...
February 13, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28231536/lignin-derived-inhibition-of-monocomponent-cellulases-and-a-xylanase-in-the-hydrolysis-of-lignocellulosics
#5
Miriam Kellock, Jenni Rahikainen, Kaisa Marjamaa, Kristiina Kruus
Non-productive enzyme binding onto lignin is the major inhibitory mechanism, which reduces hydrolysis rates and yields and prevents efficient enzyme recycling in the hydrolysis of lignocellulosics. The detailed mechanisms of binding are still poorly understood. Enzyme-lignin interactions were investigated by comparing the structural properties and binding behaviour of fungal monocomponent enzymes, cellobiohydrolases TrCel7A and TrCel6A, endoglucanases TrCel7B and TrCel5A, a xylanase TrXyn11 and a β-glucosidase AnCel3A, onto lignins isolated from steam pretreated spruce and wheat straw...
February 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28231535/formic-acid-aided-hot-water-extraction-of-hemicellulose-from-european-silver-birch-betula-pendula-sawdust
#6
Werner Marcelo Goldmann, Juha Ahola, Marja Mikola, Juha Tanskanen
Hemicellulose has been extracted from birch (Betula pendula) sawdust by formic acid aided hot water extraction. The maximum amount of hemicellulose extracted was about 70mol% of the total hemicellulose content at 170°C, measured as the combined yield of xylose and furfural. Lower temperatures (130 and 140°C) favored hemicellulose hydrolysis rather than cellulose hydrolysis, even though the total hemicellulose yield was less than at 170°C. It was found that formic acid greatly increased the hydrolysis of hemicellulose to xylose and furfural at the experimental temperatures...
February 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28231534/efficient-utilization-of-hemicellulose-and-cellulose-in-alkali-liquor-pretreated-corncob-for-bioethanol-production-at-high-solid-loading-by-spathaspora-passalidarum-u1-58
#7
Hai Yu, Jian Guo, Yefu Chen, Gengxin Fu, Baozhong Li, Xuewu Guo, Dongguang Xiao
The bioethanol fermentation of pretreated corncob was investigated using Spathaspora passalidarum U1-58, which simultaneously utilizes glucose and xylose for high-efficiency ethanol production. Two approaches, namely, separate hydrolysis and co-fermentation (SHCF) and simultaneous saccharification and co-fermentation (SSCF), were optimized to test the ethanol fermentation potential of U1-58. The highest ethanol titer of 42.46g/L and yield of 72.12% were acquired in SHCF, whereas 53.24g/L ethanol and yield of 75...
February 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28231522/novel-2-3-disubstituted-quinazoline-4-3h-one-molecules-derived-from-amino-acid-linked-sulphonamide-as-a-potent-malarial-antifolates-for-dhfr-inhibition
#8
Tarosh S Patel, Satish F Vanparia, Urmila H Patel, Ritu B Dixit, Chaitanya J Chudasama, Bhavesh D Patel, Bharat C Dixit
An optimization of a modified Grimmel's method for N-heterocyclization of Leucine linked sulphonamide leading to 2,3-disustituted-4-quinazolin-(3H)-ones was accomplished. Further, nineteen hybrid quinazolinone motifs (5a-5s) were synthesized by N-heterocyclization reaction under microwave irradiation using TEAA (IL) as green solvent as well as catalyst. The in vitro screening of the hybrid entities against the plasmodium species P. falciparum yielded five antimalarial potent molecules 5g, 5l, 5m, 5n &5p owing comparable activity to the reference drugs...
February 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28231504/effect-of-biochar-on-cadmium-bioavailability-and-uptake-in-wheat-triticum-aestivum-l-grown-in-a-soil-with-aged-contamination
#9
Tahir Abbas, Muhammad Rizwan, Shafaqat Ali, Muhammad Zia-Ur-Rehman, Muhammad Farooq Qayyum, Farhat Abbas, Fakhir Hannan, Jörg Rinklebe, Yong Sik Ok
Cadmium (Cd) is a well-known and widespread toxic heavy metal while the effects of biochar (BC) on Cd bioavailability and toxicity in wheat, especially in soils with aged contamination are largely unknown. In the present study, the effect of rice straw BC on Cd immobilization in soil and uptake by wheat in an agricultural contaminated-soil was investigated. Different levels of rice straw BC (0%, 1.5%, 3.0% and 5% w/w) were incorporated into the soil and incubated for two weeks. After this, wheat plants were grown in the amended soil until maturity...
February 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28231475/the-use-and-yield-of-continuous-eeg-in-critically-ill-patients-a-comparative-study-of-three-centers
#10
Vincent Alvarez, Andres A Rodriguez Ruiz, Suzette LaRoche, Lawrence J Hirsch, Christopher Parres, Paula E Voinescu, Andres Fernandez, Ognen A Petroff, Nishi Rampal, Hiba Arif Haider, Jong Woo Lee
OBJECTIVE: Continuous EEG (cEEG) monitoring of critically ill patients has gained widespread use, but there is substantial reported variability in its use. We analyzed cEEG and antiseizure drug (ASD) usage at three high volume centers. METHODS: We utilized a multicenter cEEG database used daily as a clinical reporting tool in three tertiary care sites (Emory Hospital, Brigham and Women's Hospital and Yale - New Haven Hospital). We compared the cEEG usage patterns, seizure frequency, detection of rhythmic/periodic patterns (RPP), and ASD use between the sites...
January 17, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28231433/discovery-of-a-potent-and-selective-sphingosine-kinase-1-inhibitor-through-the-molecular-combination-of-chemotype-distinct-screening-hits
#11
Mark E Schnute, Matthew D McReynolds, Jeffrey Carroll, Jill E Chrencik, Maureen K Highkin, Kaliapan Iyanar, Gina Jerome, John W Rains, Matthew Saabye, Jeffrey A Scholten, Matthew Yates, Marek M Nagiec
Sphingosine kinase (SphK) is the major source of the lipid mediator and GPCR agonist sphingosine-1-phosphate (S1P). S1P promotes cell growth, survival and migration and is a key regulator of lymphocyte trafficking. Inhibition of S1P signaling has been proposed as a strategy for treatment of inflammatory diseases and cancer. Two different formats of an enzyme based high-throughput screen yielded two attractive chemotypes capable of inhibiting S1P formation in cells. The molecular combination of these screening hits led to compound 22a (PF-543) with two orders of magnitude improved potency...
February 23, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28231432/dismantling-the-red-wall-of-colloidal-perovskites-highly-luminescent-formamidinium-and-formamidinium-cesium-lead-iodide-nanocrystals
#12
Loredana Protesescu, Sergii Yakunin, Sudhir Kumar, Janine Bär, Federica Bertolotti, Norberto Masciocchi, Antonietta Guagliardi, Matthias Grotevent, Ivan Shorubalko, Maryna I Bodnarchuk, Chih-Jen Shih, Maksym V Kovalenko
Colloidal nanocrystals (NCs) of APbX3-type lead halide perovskites [A=Cs+, CH3NH3+ (methylammonium or MA+) or CH(NH2)2+ (formamidinium or FA+); X=Cl-, Br-, I-] have recently emerged as highly versatile photonic sources for applications ranging from simple photoluminescence down-conversion (e.g., for display backlighting) to light emitting diodes. From the perspective of spectral coverage, a formidable challenge facing the use of these materials is how to obtain stable emissions in the red and infrared spectral regions covered by the iodide-based compositions...
February 23, 2017: ACS Nano
https://www.readbyqxmd.com/read/28231319/development-of-a-keratinase-activity-assay-using-recombinant-chicken-feather-keratin-substrates
#13
Hyeon-Su Jin, Seon Yeong Park, Kyungmin Kim, Yong-Jik Lee, Gae-Won Nam, Nam Joo Kang, Dong-Woo Lee
Poultry feathers consist mainly of the protein keratin, which is rich in β-pleated sheets and consequently resistant to proteolysis. Although many keratinases have been identified, the reasons for their substrate specificity towards β-keratin remain unclear due to difficulties in preparing a soluble feather keratin substrate for use in activity assays. In the present study, we overexpressed Gallus gallus chromosomes 2 and 27 β-keratin-encoding genes in Escherichia coli, purified denatured recombinant proteins by Ni2+ affinity chromatography, and refolded by stepwise dialysis to yield soluble keratins...
2017: PloS One
https://www.readbyqxmd.com/read/28231313/a-stochastic-hybrid-systems-based-framework-for-modeling-dependent-failure-processes
#14
Mengfei Fan, Zhiguo Zeng, Enrico Zio, Rui Kang, Ying Chen
In this paper, we develop a framework to model and analyze systems that are subject to dependent, competing degradation processes and random shocks. The degradation processes are described by stochastic differential equations, whereas transitions between the system discrete states are triggered by random shocks. The modeling is, then, based on Stochastic Hybrid Systems (SHS), whose state space is comprised of a continuous state determined by stochastic differential equations and a discrete state driven by stochastic transitions and reset maps...
2017: PloS One
https://www.readbyqxmd.com/read/28231184/mineral-nutritional-yield-and-nutrient-density-of-locally-adapted-wheat-genotypes-under-organic-production
#15
Sergio Daniel Moreira-Ascarrunz, Hans Larsson, Maria Luisa Prieto-Linde, Eva Johansson
The aim of the present investigation was to investigate the nutritional yield, nutrient density, stability, and adaptability of organically produced wheat for sustainable and nutritional high value food production. This study evaluated the nutritional yield of four minerals (Fe, Zn, Cu, and Mg) in 19 wheat genotypes, selected as being locally adapted under organic agriculture conditions. The new metric of nutritional yield was calculated for each genotype and they were evaluated for stability using the Additive Main effects and Multiplicative Interaction (AMMI) stability analysis and for genotypic value, stability, and adaptability using the Best Linear Unbiased Prediction (BLUP procedure)...
December 20, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231174/optimization-of-ultrasound-assisted-extraction-preliminary-characterization-and-in-vitro-antioxidant-activity-of-polysaccharides-from-green-pea-pods
#16
Maryam Jalili Safaryan, Ali Ganjloo, Mandana Bimakr, Soheila Zarringhalami
In this study, ultrasound-assisted extraction of green pea pod polysaccharide (GPPP) was investigated and optimized using a central composite response surface design coupled with a numerical optimization technique. The effects of ultrasonic power (50-150 W), sonication time (20-80 min), ratio of water to raw material (20:1-40:1 mL/g) and extraction temperature (40-80 °C) on polysaccharide extraction yield were studied. The maximum extraction yield was obtained with a sonication power of 135.34 W, extraction time of 48...
November 28, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231171/application-of-hybrid-genetic-algorithm-routine-in-optimizing-food-and-bioengineering-processes
#17
Jaya Shankar Tumuluru, Richard McCulloch
Optimization is a crucial step in the analysis of experimental results. Deterministic methods only converge on local optimums and require exponentially more time as dimensionality increases. Stochastic algorithms are capable of efficiently searching the domain space; however convergence is not guaranteed. This article demonstrates the novelty of the hybrid genetic algorithm (HGA), which combines both stochastic and deterministic routines for improved optimization results. The new hybrid genetic algorithm developed is applied to the Ackley benchmark function as well as case studies in food, biofuel, and biotechnology processes...
November 9, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231170/fermentation-assisted-extraction-of-isothiocyanates-from-brassica-vegetable-using-box-behnken-experimental-design
#18
Amit K Jaiswal, Nissreen Abu-Ghannam
Recent studies showed that Brassica vegetables are rich in numerous health-promoting compounds such as carotenoids, polyphenols, flavonoids, and glucosinolates (GLS), as well as isothiocyanates (ITCs) and are involved in health promotion upon consumption. ITCs are breakdown products of GLS, and typically used in the food industry as a food preservative and colouring agent. They are also used in the pharmaceutical industry due to their several pharmacological properties such as antibacterial, antifungal, antiprotozoal, anti-inflammatory, and chemoprotective effects, etc...
November 4, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231147/applying-least-absolute-shrinkage-selection-operator-and-akaike-information-criterion-analysis-to-find-the-best-multiple-linear-regression-models-between-climate-indices-and-components-of-cow-s-milk
#19
Mohammad Reza Marami Milani, Andreas Hense, Elham Rahmani, Angelika Ploeger
This study focuses on multiple linear regression models relating six climate indices (temperature humidity THI, environmental stress ESI, equivalent temperature index ETI, heat load HLI, modified HLI (HLI new), and respiratory rate predictor RRP) with three main components of cow's milk (yield, fat, and protein) for cows in Iran. The least absolute shrinkage selection operator (LASSO) and the Akaike information criterion (AIC) techniques are applied to select the best model for milk predictands with the smallest number of climate predictors...
July 23, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231144/effects-of-two-step-transamidation-of-wheat-semolina-on-the-technological-properties-of-gluten
#20
Salvatore Moscaritolo, Lucia Treppiccione, Antonio Ottombrino, Mauro Rossi
Celiac disease (CD) is an immune-mediated disorder caused by the ingestion of wheat gluten. A lifelong, gluten-free diet is required to alleviate symptoms and to normalize the intestinal mucosa. We previously found that transamidation reaction by microbial transglutaminase (mTG) was effective in down-regulating the gliadin-specific immune response in CD patients. In this study, the two-step transamidation protocol was adopted to treat commercial wheat semolina on a pilot scale. The effectiveness of the enzymatic reaction was tested by means of consolidated biochemical and immunological methods on isolated prolamins...
June 29, 2016: Foods (Basel, Switzerland)
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