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https://www.readbyqxmd.com/read/28092828/a-flexible-microbial-co-culture-platform-for-simultaneous-utilization-of-methane-and-carbon-dioxide-from-gas-feedstocks
#1
Eric A Hill, William B Chrisler, Alex S Beliaev, Hans C Bernstein
A new co-cultivation technology is presented that converts greenhouse gasses, CH4 and CO2, into microbial biomass. The methanotrophic bacterium, Methylomicrobium alcaliphilum 20z, was coupled to a cyanobacterium, Synechococcus PCC 7002 via oxygenic photosynthesis. The system exhibited robust growth on diverse gas mixtures ranging from biogas to those representative of a natural gas feedstock. A continuous processes was developed on a synthetic natural gas feed that achieved steady-state by imposing coupled light and O2 limitations on the cyanobacterium and methanotroph, respectively...
January 3, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28092746/supranutritional-selenium-intake-from-enriched-milk-casein-impairs-hepatic-insulin-sensitivity-via-attenuated-irs-pi3k-akt-signaling-and-decreased-pgc-1%C3%AE-expression-in-male-sprague-dawley-rats
#2
Priska Stahel, Julie J Kim, Scott R L Cieslar, Jenny M Warrington, Changting Xiao, John P Cant
Selenium (Se)-enriched milk provides antioxidant benefits and has therapeutic potential against cancer. However, both antidiabetic and prodiabetic effects have been attributed to Se. Our objective was to evaluate the effect of Se-enriched milk casein on insulin sensitivity in rats when given at the requirement of 0.25 ppm Se and supranutritionally on both low- and high-fat diets. Two hundred sixteen male Sprague-Dawley rats were fed low- or high-fat diets containing one, two or eight times the Se requirement in a randomized block design...
January 7, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28092743/stable-isotope-composition-of-mercury-forms-in-flue-gases-from-a-typical-coal-fired-power-plant-inner-mongolia-northern-china
#3
Shunlin Tang, Chaohui Feng, Xinbin Feng, Jianming Zhu, Ruoyu Sun, Huipeng Fan, Lina Wang, Ruiyang Li, Tonghua Mao, Ting Zhou
Mercury forms emitted from coal combustion via air pollution control devices are speculated to carry different Hg isotope signatures. Yet, their Hg isotope composition is still not reported. Here, we present the first onsite Hg isotope data for gaseous elemental Hg (GEM) and gaseous oxidized Hg (GOM) of flue gases from a typical lignite-fired power plant (CFPP). Significant mass dependent fractionation (MDF) and insignificant mass independent fractionation (MIF) are observed between feed coal and coal combustion products...
January 11, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28092732/enhancement-of-lipid-productivity-by-adopting-multi-stage-continuous-cultivation-strategy-in-nannochloropsis-gaditana
#4
Min-Gyu Sung, Bongsoo Lee, Chul Woong Kim, Kibok Nam, Yong Keun Chang
In the present study, a novel process-based cultivation system was designed to improve lipid productivity of Nannochloropsis gaditana, an oleaginous microalga that has high potential for biofuel production. Specifically, four flat-panel photobioreactors were connected in series, and this system was subjected to continuous chemostat cultivation by feeding fresh medium to the first reactor at dilution rates of 0.028 and 0.056day(-1), which were determined based on Monod kinetics. The results show that the serially connected photobioreactor system achieved 20...
December 30, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/28092728/effect-of-time-interval-between-the-second-improvest%C3%A2-dose-and-slaughter-and-corn-dried-distillers-grains-with-solubles-feeding-strategies-on-carcass-composition-primal-cutout-and-pork-quality-of-immunologically-castrated-pigs
#5
E K Harris, M A Mellencamp, L J Johnston, R B Cox, G C Shurson
Effects of dried distillers grains with solubles (DDGS) feeding strategies on carcass composition, primal cutout, and lean quality of immunologically castrated (IC; n=863) pigs were evaluated, and consisted of: 1) corn-soybean meal (CS) diet (PCon); 2) CS+40% DDGS (NCon); 3) CS+40, 30, 20, or 10% DDGS fed in phases 1 to 4, respectively (SD); or 4) CS+40% DDGS fed in phase 1 to 3 and CS in phase 4 (WD). All pigs received the first dose of Improvest® at 11weeks. of age, and the second dose was administered at either 9, 7, or 5weeks...
January 9, 2017: Meat Science
https://www.readbyqxmd.com/read/28092714/the-food-in-our-future-where-will-we-find-ethics
#6
Jeffrey Burkhardt
Food and agricultural systems are in large part driven by technology. Together with public policy, the kinds of technologies that are induced into, or chosen by actors in, food systems, dictates their structure and activities. The ″Big Story″ or ideology which underlies research, development and adoption of technologies provides the justification for choices we make about the future of the food system. A combination of productionism -more is better, and ″feed the world″- is what governs, and seems to be what will govern Western food systems...
September 2016: Cuadernos de Bioética: Revista Oficial de la Asociación Española de Bioética y Ética Médica
https://www.readbyqxmd.com/read/28092624/changes-in-reticulorumen-content-temperature-and-ph-according-to-time-of-day-and-yearly-seasons
#7
R Antanaitis, V Žilaitis, V Juozaitienė, R Stoškus, M Televičius
The monitoring of rumen content temperature can be useful for the evaluation of cow health condition and heat. The aim of this research was to evaluate the influence of the circadian rhythm (time of day) and season on reticulorumen acidity (pH) and temperatures (RT) in lactating dairy cows. The research was performed on ten 2nd - lactation, clinically healthy Lithuanian Black and White fresh dairy cows (up to 1 day after calving). The cows were milked twice daily at 05:00 and 17:00. The cows were kept in a loose housing system, and were fed a feed ration throughout the year at the same time, balanced according to their physiological needs...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092617/supplementation-of-pigs-diet-with-zinc-and-copper-as-alternative-to-conventional-antimicrobials
#8
B Dębski
Modern commercial pig farming systems inflict increased stress in animals, which often leads to various negative changes in the gastro-intestinal tract, especially in the case of piglets. Ban of antibiotics, used as growth promoters, has caused a need for alternatives to conventional antimicrobials in swine diets. Use of pre-/or probiotics, organic acids and plant extracts is often recommended, but it seems that zinc oxide and cooper salts, which were traditionally included in high doses to piglets diet, possess the highest efficacy...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092610/effects-of-antioxidant-vitamins-a-d-e-and-trace-elements-cu-mn-se-zn-on-some-metabolic-and-reproductive-profiles-in-dairy-cows-during-transition-period
#9
A Omur, A Kirbas, E Aksu, F Kandemir, E Dorman, O Kaynar, O Ucar
The objective of this study was to determine the effects of some antioxidant vitamins and trace elements on some metabolic and postpartum reproductive profiles in dairy cows during transition period. In the study, altogether 20 clinically healthy Brown Swiss dairy cows (aged 4-5 years-old) under the same management and feeding conditions in periparturient period were used. The animals were divided into two equal groups: control (C) and treatment (T) group (n=10 for each group). Vitamins (A, D, E) and trace elements (Cu, Mn, Se, Zn) were administered intramuscularly into the cows of the T group, while isotonic saline, as placebo, was injected subcutaneously into those in the C group...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092602/the-investigation-of-correlation-among-selected-biochemical-parameters-and-vital-signs-in-dairy-herd-to-design-the-bio-cybernetic-dairy-cow-model
#10
J Twardoń, W Zalewski, T Nowicki, B Dębski, G Dejneka, J Mrowiec, K Zalewski
The paper presents investigations of the relationship between the biochemical parameters and vital signs in dairy cows. We analyzed the welfare and functioning of a dairy herd using biochemical parameters and vital signs. Life and biochemical parameters were examined. In the model indicators useful for monitoring the herd are: the age of the cows, the number of cows' lactating, daily amount of received milk, length of lactation period for cows in the herd, the length of inter-calving period for cows, the number of days to effective insemination, the amount of protein in the feed, the level of β-oxidation in leucocytes, glucose transport through red blood cells and plasma insulin...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092597/role-of-probiotics-in-nutrition-and-health-of-small-ruminants
#11
M M Abd El-Tawab, I M I Youssef, H A Bakr, G C Fthenakis, N D Giadinis
Small ruminants represent an important economic source in small farm systems and agriculture. Feed is the main component of livestock farming, which has gained special attention to improve animal performance. Many studies have been done to improve feed utilisation through addition of feed additives. For a long period, antibiotics have been widely used as growth promoters in livestock diets. Due to their ban in many countries, search for alternative feed additives has been intensified. Probiotics are one of these alternatives recognised to be safe to the animals...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092375/postprandial-macrophage-derived-il-1%C3%AE-stimulates-insulin-and-both-synergistically-promote-glucose-disposal-and-inflammation
#12
Erez Dror, Elise Dalmas, Daniel T Meier, Stephan Wueest, Julien Thévenet, Constanze Thienel, Katharina Timper, Thierry M Nordmann, Shuyang Traub, Friederike Schulze, Flurin Item, David Vallois, Francois Pattou, Julie Kerr-Conte, Vanessa Lavallard, Thierry Berney, Bernard Thorens, Daniel Konrad, Marianne Böni-Schnetzler, Marc Y Donath
The deleterious effect of chronic activation of the IL-1β system on type 2 diabetes and other metabolic diseases is well documented. However, a possible physiological role for IL-1β in glucose metabolism has remained unexplored. Here we found that feeding induced a physiological increase in the number of peritoneal macrophages that secreted IL-1β, in a glucose-dependent manner. Subsequently, IL-1β contributed to the postprandial stimulation of insulin secretion. Accordingly, lack of endogenous IL-1β signaling in mice during refeeding and obesity diminished the concentration of insulin in plasma...
January 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28092346/differential-hypothalamic-leptin-sensitivity-in-obese-rat-offspring-exposed-to-maternal-and-postnatal-intake-of-chocolate-and-soft-drink
#13
M Kjaergaard, C Nilsson, A Secher, J Kildegaard, T Skovgaard, M O Nielsen, K Grove, K Raun
BACKGROUND/OBJECTIVE: Intake of high-energy foods and maternal nutrient overload increases the risk of metabolic diseases in the progeny such as obesity and diabetes. We hypothesized that maternal and postnatal intake of chocolate and soft drink will affect leptin sensitivity and hypothalamic astrocyte morphology in adult rat offspring. METHODS: Pregnant Sprague-Dawley rats were fed ad libitum chow diet only (C) or with chocolate and high sucrose soft drink supplement (S)...
January 16, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28092212/systemic-medications-used-in-treatment-of-common-dermatological-conditions-safety-profile-with-respect-to-pregnancy-breast-feeding-and-content-in-seminal-fluid
#14
S M Brown, K A Aljefri, R Waas, P J Hampton
: Prescribing for pregnant or lactating patients and male patients wishing to father children can be a difficult area for dermatologists. There is a lack of review articles of commonly used systemic medications in dermatology with respect to their effects on developing embryogenesis and their potential transfer across the placenta, in breast milk and in seminal fluid. This paper aims to provide an up to date summary of evidence to better equip dermatologists to inform patients about the effects of systemic medications commonly used in dermatology to treat conditions such as atopic dermatitis, psoriasis and acne, on current and future embryogenesis and fertility...
January 16, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28092131/finish-line-plant-insect-interactions-mediated-by-insect-feeding-mode-and-plant-interference-a-case-study-of-brassica-interactions-with-diamondback-moth-and-turnip-aphid
#15
Mahmoud Soufbaf, Yaghoub Fathipour, Jeffrey A Harvey, Cang Hui
There are gaps in our understanding of plant responses under different insect phytophagy modes and their subsequent effects on the insect herbivores' performance at late season. Here we compared different types of insect feeding by an aphid, Lipaphis erysimi, and a lepidopteran, Plutella xylostella, and how this affected defensive metabolites in leaves of two Brassica species when plants gain maturity. Thiocyanate concentrations after P. xylostella and L. erysimi feeding activities were the same. Total phenolics was higher after the phloem feeder feeding than the folivore activity...
January 16, 2017: Insect Science
https://www.readbyqxmd.com/read/28092005/investigation-of-diethylstilbestrol-residue-level-in-human-urine-samples-by-a-specific-monoclonal-antibody
#16
Dai Zhang, Lifang Zhou, Yajing Lei, Zhan Zhou, Jie Zhou, Shuqing Chen
Diethylstilbestrol (DES) is used as a kind of animal feed additive and affects people's health through the food chain. The purpose of this study is to detect the residue level of DES in 576 human urine samples directly. DES-BSA was used to immunize Balb/c mice. The monoclonal antibody was produced by hybridoma that was screened through cell fusion techniques. Finally, we developed the indirect competitive ELISA method to analyze 576 human urine samples from Zhejiang Province, China. The IC50 of this method was 3...
January 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091998/palliative-effects-of-extra-virgin-olive-oil-gallic-acid-and-lemongrass-oil-dietary-supplementation-on-growth-performance-digestibility-carcass-traits-and-antioxidant-status-of-heat-stressed-growing-new-zealand-white-rabbits
#17
Adham A Al-Sagheer, Ahmed H Daader, Hassan A Gabr, Elham A Abd El-Moniem
This study explored the effects of supplemental dietary extra virgin olive oil (EVOO), gallic acid (GA), or lemongrass essential oil (LGEO) on growth performance, nutrient digestibility, carcass traits, lipid peroxidation, hematological, and antioxidative status in growing rabbits under heat stress conditions. A total of 48 male growing New Zealand White rabbits were randomly divided into four equal groups, which received a basal diet without any supplementation or supplemented with 15 g EVOO, 500 mg GA, or 400 mg LGEO/kg of diet, for eight consecutive weeks...
January 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091958/identification-and-anticoagulant-activity-of-a-novel-kunitz-type-protein-ha11-from-the-salivary-gland-of-the-tick-hyalomma-asiaticum
#18
Houshuang Zhang, Ruiqiong Qiao, Haiyan Gong, Jie Cao, Yongzhi Zhou, Jinlin Zhou
Kunitz/bovine pancreatic trypsin inhibitor proteins are abundant in the salivary glands of ticks and perform multiple functions in blood feeding, including inhibiting blood coagulation, regulating host blood supply and disrupting host angiogenesis. In this study, we identified a novel gene designated HA11 (Hyalomma asiaticum 11 kDa protein) from the salivary gland of the tick H. asiaticum. HA11 is encoded by a gene with an open reading frame of 306 bp that is translated into a deduced 101 amino acid 11 kDa protein that shares 27% sequence identity with a Kunitz-like protease inhibitor precursor in Amblyomma variegatum...
January 13, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28091854/effect-of-high-ambient-temperature-on-behavior-of-sheep-under-semi-arid-tropical-environment
#19
Kalyan De, Davendra Kumar, Vijay Kumar Saxena, Palanisamy Thirumurugan, Syed Mohammed Khursheed Naqvi
High environmental temperature is a major constraint in sheep production under semi-arid tropical environment. Behavior is the earliest indicator of animal's adaptation and responses to the environmental alteration. Therefore, the objective of this study was to assess the effects of high ambient temperature on the behavior of sheep under a semi-arid tropical environment. The experiment was conducted for 6 weeks on 16 Malpura cross (Garole × Malpura × Malpura (GMM)) rams. The rams were divided equally into two groups, designated as C and T...
January 13, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28091847/using-the-newly-developed-floor-sitting-movement-analysis-proforma-to-study-the-effect-of-age-and-activity-on-floor-sitting-in-indian-adults
#20
Anjana Nagrajan, Sebestina A D'Souza
Floor-sitting is culturally relevant to the Indian context. The present study aimed to examine the effect of age and activity on the movement patterns used and time taken to perform floor-sitting in Indian adults. Video-recordings of 30 young (23.30 ± 2.53 years) and 30 older (69.67 ± 6.45 years) adults performing floor-sitting without and with an activity (simulated feeding) were analyzed using the Floor-sitting Movement Analysis Proforma (FMAP) developed for the study. For inter-rater reliability of the FMAP, two raters analyzed the performance of a random sample of 20 participants...
January 16, 2017: Journal of Cross-cultural Gerontology
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