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https://www.readbyqxmd.com/read/28231698/effect-of-feeding-of-blend-of-essential-oils-on-methane-production-growth-nutrient-utilization-in-growing-buffaloes
#1
M A Yatoo, L C Chaudhary, Neeta Agarwal, V B Chaturvedi, D N Kamra
Objective: An experiment was conducted to study the effect of a blend of essential oils (BEO) on enteric methane emission and growth performance of buffaloes (Bubalus bubalis). Methods: Twenty one growing male buffaloes (average body weight of 279 ± 9.3 kg) were divided in to three groups. The animals of all the three groups were fed on a ration consisting of wheat straw and concentrate mixture targeting 500g daily live weight gain. The three dietary groups were; Group1: control without additive, Group 2 and 3: supplemented with BEO @ 0...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231169/an-evaluation-of-alternatives-to-nitrites-and-sulfites-to-inhibit-the-growth-of-salmonella-enterica-and-listeria-monocytogenes-in-meat-products
#2
Alexandre Lamas, José Manuel Miranda, Beatriz Vázquez, Alberto Cepeda, Carlos Manuel Franco
In recent years, the use of nitrites and sulfites as food preservatives has been a cause for concern due to the health problems that these additives can cause in humans. Natural products have been studied as an alternative, but most of them have hardly been applied in the food industry for technological and economic reasons. In this sense, organic salts such as sodium acetate are a good alternative due to their affordability. Thus, this study evaluated the capacity of sodium nitrite, sodium sulfite, a sodium acetate product (TQI C-6000), and chitosan to inhibit two important foodborne pathogens, Salmonella enterica and Listeria monocytogenes...
October 31, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231113/chemical-composition-antioxidant-and-antimicrobial-activity-of-essential-oils-from-organic-fennel-parsley-and-lavender-from-spain
#3
Irene Marín, Estrella Sayas-Barberá, Manuel Viuda-Martos, Casilda Navarro, Esther Sendra
The aim of this work was to (i) determine the chemical composition of the essential oils of three spices widely cultivated in Spain from organic growth: Foeniculum vulgare, Petroselium crispum, and Lavandula officinalis; (ii) determine the total phenolic content; (iii) determine the antioxidant activity of the essentials oils by means of three different antioxidant tests and (iv) determine the effectiveness of these essentials oils on the inhibition of Listeria innocua CECT 910 and Pseudomonas fluorescens CECT 844...
March 4, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231068/recent-advances-on-iron-oxide-magnetic-nanoparticles-as-sorbents-of-organic-pollutants-in-water-and-wastewater-treatment
#4
Angela M Gutierrez, Thomas D Dziubla, J Zach Hilt
The constant growth in population worldwide over the past decades continues to put forward the need to provide access to safe, clean water to meet human needs. There is a need for cost-effective technologies for water and wastewater treatment that can meet the global demands and the rigorous water quality standards and at the same maximizing pollutant efficiency removal. Current remediation technologies have failed in keeping up with these factors without becoming cost-prohibitive. Most recently, nanotechnology has been sought as the best alternative to increase access to water supplies by remediating those already contaminated and offering ways to access unconventional sources...
February 23, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28231067/the-association-of-peripubertal-serum-concentrations-of-organochlorine-chemicals-and-blood-lead-with-growth-and-pubertal-development-in-a-longitudinal-cohort-of-boys-a-review-of-published-results-from-the-russian-children-s-study
#5
Oleg Sergeyev, Jane S Burns, Paige L Williams, Susan A Korrick, Mary M Lee, Boris Revich, Russ Hauser
Organochlorine chemicals and lead are environmental exposures that have endocrine disrupting properties (EDCs) which interfere with many aspects of hormone action. Childhood and adolescence are windows of susceptibility for adverse health effects of EDCs. Our ongoing study, the Russian Children's Study (RCS), is one of the few longitudinal studies investigating the impact of EDCs on growth and puberty in boys. It is conducted in the historically contaminated city of Chapaevsk, in the Samara region. The study focuses on evaluating the associations of persistent organochlorine chemicals and lead with growth and pubertal timing...
February 23, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28230795/toxin-release-of-cyanobacterium-microcystis-aeruginosa-after-exposure-to-typical-tetracycline-antibiotic-contaminants
#6
Jing Ye, Yuping Du, Lumei Wang, Jingru Qian, Jiejing Chen, Qingwen Wu, Xiaojun Hu
The global usage of veterinary antibiotics is significant. Antibiotics can be released into aquatic environments and elicit toxic effects on non-target organisms. In this study, the growth characteristics and toxin release of the cyanobacterium Microcystis aeruginosa (M. aeruginosa) were examined to investigate the physiological effects of tetracycline antibiotics on aquatic life. Results showed that the degree of toxicities of the following target antibiotics was TC (tetracycline hydrochloride) > CTC (chlortetracycline hydrochloride) > OTC (oxytetracycline hydrochloride) in terms of growth parameters, EC10 (0...
February 21, 2017: Toxins
https://www.readbyqxmd.com/read/28230109/pentose-sugars-inhibit-metabolism-and-increase-expression-of-an-agrd-type-cyclic-pentapeptide-in-clostridium-thermocellum
#7
Tobin J Verbeke, Richard J Giannone, Dawn M Klingeman, Nancy L Engle, Thomas Rydzak, Adam M Guss, Timothy J Tschaplinski, Steven D Brown, Robert L Hettich, James G Elkins
Clostridium thermocellum could potentially be used as a microbial biocatalyst to produce renewable fuels directly from lignocellulosic biomass due to its ability to rapidly solubilize plant cell walls. While the organism readily ferments sugars derived from cellulose, pentose sugars from xylan are not metabolized. Here, we show that non-fermentable pentoses inhibit growth and end-product formation during fermentation of cellulose-derived sugars. Metabolomic experiments confirmed that xylose is transported intracellularly and reduced to the dead-end metabolite xylitol...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28230098/effect-of-environmentally-relevant-concentrations-of-nonylphenol-on-sexual-differentiation-in-zebrafish-a-multi-generational-study
#8
Dong Sun, Qi Chen, Ning He, Pan-Pan Diao, Li-Xing Jia, Shun-Shan Duan
Nonylphenol (NP) is a persistent environmental chemical that can disrupt the organism's endocrine system, and is detected in the surface water and sea. In this study, we investigated whether NP can alter transcriptional expression of sexual differentiation-related genes. Three generations of zebrafish were exposed to 0, 2, 20 and 200 μg·L(-1) of NP, and transcriptional expression of sexual differentiation genes were assessed in 10, 20 and 40 dpf in the F1 and F2 generations. Growth of zebrafish exposed to 200 μg·L(-1) of NP was inhibited at 125 dpf in the F1 generation...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28230060/flower-like-superstructures-of-aie-active-tetraphenylethylene-through-solvophobic-controlled-self-assembly
#9
Mina Salimimarand, Duong Duc La, Mohammad Al Kobaisi, Sheshanath V Bhosale
The development of well-organized structures with high luminescent properties in the solid and aggregated states is of both scientific and technological interest due to their applications in nanotechnology. In this paper we described the synthesis of amphiphilic and dumbbell shaped AIE-active tetraphenylethylene (TPE) derivatives and studied their self-assembly with solvophobic control. Interestingly, both TPE derivatives form a 3D flower-shape supramolecular structure from THF/water solutions at varying water fractions...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229948/mixing-and-capping-techniques-for-activated-carbon-based-sediment-remediation-efficiency-and-adverse-effects-for-lumbriculus-variegatus
#10
Sebastian Abel, Inna Nybom, Kimmo Mäenpää, Sarah E Hale, Gerard Cornelissen, Jarkko Akkanen
Activated carbon (AC) has been proven to be highly effective for the in-situ remediation of sediments contaminated with a wide range of hydrophobic organic contaminants (HOCs). However, adverse biological effects, especially to benthic organisms, can accompany this promising remediation potential. In this study, we compare both the remediation potential and the biological effects of several AC materials for two application methods: mixing with sediment (MIX) at doses of 0.1 and 1.0% based on sediment dw and thin layer capping (TLC) with 0...
February 16, 2017: Water Research
https://www.readbyqxmd.com/read/28229284/prolonged-growth-hormone-insulin-insulin-like-growth-factor-nutrient-response-signaling-pathway-as-a-silent-killer-of-stem-cells-and-a-culprit-in-aging
#11
REVIEW
Mariusz Z Ratajczak, Andrzej Bartke, Zbigniew Darzynkiewicz
The dream of slowing down the aging process has always inspired mankind. Since stem cells are responsible for tissue and organ rejuvenation, it is logical that we should search for encoded mechanisms affecting life span in these cells. However, in adult life the hierarchy within the stem cell compartment is still not very well defined, and evidence has accumulated that adult tissues contain rare stem cells that possess a broad trans-germ layer differentiation potential. These most-primitive stem cells-those endowed with pluripotent or multipotent differentiation ability and that give rise to other cells more restricted in differentiation, known as tissue-committed stem cells (TCSCs) - are of particular interest...
February 22, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28228774/molecular-and-functional-characterization-of-wheat-argos-genes-influencing-plant-growth-and-stress-tolerance
#12
Yue Zhao, Xuejun Tian, Yuanyuan Li, Liyuan Zhang, Panfeng Guan, Xiaoxia Kou, Xiaobo Wang, Mingming Xin, Zhaorong Hu, Yingyin Yao, Zhongfu Ni, Qixin Sun, Huiru Peng
Auxin Regulated Gene involved in Organ Size (ARGOS) is significantly and positively associated with organ size and is involved in abiotic stress responses in plants. However, no studies on wheat ARGOS genes have been reported to date. In the present study, three TaARGOS homoeologous genes were isolated and located on chromosomes 4A, 4B, and 4D of bread wheat, all of which are highly conserved in wheat and its wild relatives. Comparisons of gene expression in different tissues demonstrated that the TaARGOSs were mainly expressed in the stem...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28228771/petal-loss-and-roxy1-interact-to-limit-growth-within-and-between-sepals-but-to-promote-petal-initiation-in-arabidopsis-thaliana
#13
Tezz Quon, Edwin R Lampugnani, David R Smyth
The activity of genes controlling organ development may be associated with the redox state of subregions within the meristem. Glutaredoxins react to the level of oxidative potential and can reduce cysteine dithiols, in some cases to activate specific transcription factors. In Arabidopsis, loss of function of the glutaredoxin ROXY1 or the trihelix transcription factor PETAL LOSS (PTL) each results in reduced numbers of petals. Here, genetic studies have revealed that loss of petals in ptl mutant plants depends on ROXY1 function...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28228608/untapped-endophytic-colonization-and-plant-growth-promoting-potential-of-the-genus-novosphingobium-to-optimize-rice-cultivation
#14
Chakrapong Rangjaroen, Rungroch Sungthong, Benjavan Rerkasem, Neung Teaumroong, Rujirek Noisangiam, Saisamorn Lumyong
With the aim of searching for potent diazotrophic bacteria that are free of public health concerns and optimize rice cultivation, the endophytic colonization and plant growth-promoting activities of some endophytic diazotrophic bacteria isolated from rice were evaluated. Among these bacteria, the emerging diazotrophic strains of the genus Novosphingobium effectively associated with rice plant interiors and consequently promoted the growth of rice, even with the lack of a nitrogen source. These results suggest that diazotrophic Novosphingobium is an alternative microbial resource for further development as a safe biological enhancer in the optimization of organic rice cultivation...
February 21, 2017: Microbes and Environments
https://www.readbyqxmd.com/read/28228543/characterization-of-dependencies-between-growth-and-division-in-budding-yeast
#15
Michael B Mayhew, Edwin S Iversen, Alexander J Hartemink
Cell growth and division are processes vital to the proliferation and development of life. Coordination between these two processes has been recognized for decades in a variety of organisms. In the budding yeast Saccharomyces cerevisiae, this coordination or 'size control' appears as an inverse correlation between cell size and the rate of cell-cycle progression, routinely observed in G1 prior to cell division commitment. Beyond this point, cells are presumed to complete S/G2/M at similar rates and in a size-independent manner...
February 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28228529/recapitulation-of-physiological-spatiotemporal-signals-promotes-in-vitro-formation-of-phenotypically-stable-human-articular-cartilage
#16
Johnathan J Ng, Yiyong Wei, Bin Zhou, Jonathan Bernhard, Samuel Robinson, Aonnicha Burapachaisri, X Edward Guo, Gordana Vunjak-Novakovic
Standard isotropic culture fails to recapitulate the spatiotemporal gradients present during native development. Cartilage grown from human mesenchymal stem cells (hMSCs) is poorly organized and unstable in vivo. We report that human cartilage with physiologic organization and in vivo stability can be grown in vitro from self-assembling hMSCs by implementing spatiotemporal regulation during induction. Self-assembling hMSCs formed cartilage discs in Transwell inserts following isotropic chondrogenic induction with transforming growth factor β to set up a dual-compartment culture...
February 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28228514/differentiating-causality-and-correlation-in-allometric-scaling-ant-colony-size-drives-metabolic-hypometry
#17
James S Waters, Alison Ochs, Jennifer H Fewell, Jon F Harrison
Metabolic rates of individual animals and social insect colonies generally scale hypometrically, with mass-specific metabolic rates decreasing with increasing size. Although this allometry has wide ranging effects on social behaviour, ecology and evolution, its causes remain controversial. Because it is difficult to experimentally manipulate body size of organisms, most studies of metabolic scaling depend on correlative data, limiting their ability to determine causation. To overcome this limitation, we experimentally reduced the size of harvester ant colonies (Pogonomyrmex californicus) and quantified the consequent increase in mass-specific metabolic rates...
February 22, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28228072/curcumin-and-endothelial-function-evidence-and-mechanisms-of-protective-effects
#18
Maryam Saberi Karimian, Matteo Pirro, Thomas P Johnston, Muhammed Majeed, Amirhossein Sahebkar
BACKGROUND: The endothelium is a large paracrine organ regulating cell growth, vascular tone and thrombogenicity as well as platelet and leukocyte interactions. Endothelial function can be assessed by non-invasive techniques [e.g. flow-mediated vasodilation, nitroglycerin-mediated dilation and pulse wave velocity] and measuring specific circulating biomarkers [cell adhesion molecules, endothelial microparticles and endothelial progenitor cells]. Impaired endothelial function plays a key role in the development of atherosclerosis, arterial hypertension, heart failure, ischemia-reperfusion injury, Alzheimer's disease and other conditions...
February 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28228070/nanoscale-delivery-systems-actual-and-potential-applications-in-the-natural-products-industry
#19
Antal Diana Simona, Ardelean Florina, Chis Aimée Rodica, Ollivier Evelyne, Serban Maria-Corina
BACKGROUND: Compounds and extracts derived from natural sources continue to stand in the spotlight of drug design owing to their versatile interaction with enzymes, receptors and metabolic pathways. Nanomedicine offers an operative tool for the efficient delivery of natural products, in terms of increased bioavailability, targeting, and controlled release while protecting active constituents against physico-chemical alterations. The interest of the scientific community in the field of nanosized delivery of natural compounds is demonstrated by the exponential growth of the publications in this field...
February 20, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28227952/smartstuff-a-case-study-of-a-smart-water-bottle
#20
Emil Jovanov, Vindhya R Nallathimmareddygari, Jonathan E Pryor, Emil Jovanov, Vindhya R Nallathimmareddygari, Jonathan E Pryor, Vindhya R Nallathimmareddygari, Emil Jovanov, Jonathan E Pryor
The rapid growth of Internet of Things (IoT) and miniature wearable biosensors have generated new opportunities for personalized eHealth and mHealth services. Smart objects equipped with physiological sensors can provide robust monitoring of activities of daily living and context for wearable physiological sensors. We present a case study of an intelligent water bottle that can precisely measure the amount of liquid in the bottle, monitor activity using inertial sensors, and physiological parameters using a touch and photoplethysmographic sensor...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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