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https://www.readbyqxmd.com/read/28109116/aminoaciduria-caused-by-fanconi-syndrome-in-a-heifer
#1
N Cesbron, L Dorso, A-L Royer, G Dervilly-Pinel, J Hervé
A case study of renal tubular dysfunction consistent with idiopathic Fanconi syndrome is reported in an 18-month-old Holstein heifer. The clinical, biochemical, and histopathological features are described. The heifer had clinical signs of growth retardation, wasting, and persistent diarrhea. Biochemical blood analysis identified hypokalemia, hyponatremia, and hypochloremia. Urinalysis identified glycosuria, proteinuria, and acidic pH. Histological examination of the kidney disclosed mild tubular necrosis with proteinaceous casts in the lumina of renal tubules...
January 21, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28108709/apha-reminds-keepers-of-ban-on-feeding-catering-waste-to-livestock
#2
(no author information available yet)
No abstract text is available yet for this article.
January 21, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28108310/autophagic-dysregulation-in-doxorubicin-cardiomyopathy
#3
REVIEW
Jordan J Bartlett, Purvi C Trivedi, Thomas Pulinilkunnil
Doxorubicin (DOX)-induced cardiotoxicity has been a well-known phenomenon to clinicians and scientists for decades; however, molecular mechanisms underlying DOX cardiotoxicity are still being uncovered. Although prior research has mostly implicated disruptive events in the nucleus and mitochondria to be contributing to DOX cardiomyopathy, recent discoveries in the cellular waste management process, autophagy, have highlighted the role of the lysosome, an organelle central to autophagy, in this pathology. Indeed, dysregulation of lysosomal autophagy is observed in pre-clinical models of DOX cardiotoxicity...
January 17, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28108075/catalytic-potential-of-selected-metal-ions-for-bioleaching-and-potential-techno-economic-and-environmental-issues-a-critical-review
#4
REVIEW
Ashish Pathak, Liam Morrison, Mark Gerard Healy
Bioleaching is considered to be a low-cost, eco-friendly technique for leaching valuable metals from a variety of matrixes. However, the inherent slow dissolution kinetics and low metal leaching yields have restricted its wider commercial applicability. Recent advancements in bio-hydrometallurgy have suggested that these critical issues can be successfully alleviated through the addition of a catalyst. The catalyzing properties of a variety of metals ions (Ag(+), Hg(++), Bi(+++), Cu(++), Co(++) etc.) during bioleaching have been successfully demonstrated...
January 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28108022/evaluation-of-a-method-for-removing-cesium-and-reducing-the-volume-of-leaf-litter-from-broad-leaved-trees-contaminated-by-the-fukushima-daiichi-nuclear-accident-during-the-great-east-japan-earthquake
#5
Shigeki Harada, Mitsunori Yanagisawa
The town of Marumori in southern Miyagi Prefecture borders on Fukushima Prefecture, and following the accident at the Fukushima Daiichi nuclear power plant, there were concerns about cesium deposition in forested areas. One of the authors of this paper has continually surveyed leaf litter from the forested areas. As leaf litter may be a source of cesium contamination from the forest to downstream areas, we considered a simplified version of wet oxidation, a method previously presented by one of the authors of this study, as a technology to reduce leaf litter weight and cesium concentration, separating radioactive nuclides from non-radioactive ones, in leaf litter...
January 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28107961/new-approach-of-a-transient-icp-ms-measurement-method-for-samples-with-high-salinity
#6
Christina Hein, Jonas Michael Sander, Ralf Kautenburger
In the near future it is necessary to establish a disposal for high level nuclear waste (HLW) in deep and stable geological formations. In Germany typical host rocks are salt or claystone. Suitable clay formations exist in the south and in the north of Germany. The geochemical conditions of these clay formations show a strong difference. In the northern ionic strengths of the pore water up to 5M are observed. The determination of parameters like Kd values during sorption experiments of metal ions like uranium or europium as homologues for trivalent actinides onto clay stones are very important for long term safety analysis...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107915/a-clean-photometric-method-for-the-determination-of-losartan-potassium-in-pharmaceuticals-exploiting-light-scattering-effect-and-employing-a-multicommuted-flow-analysis-approach
#7
Manoel J A Lima, Boaventura F Reis
This paper describes an environmentally friendly procedure for the determination of losartan potassium (Los-K) in pharmaceuticals. The photometric method was based on the light scattering effect due to particles suspension, which were formed by the reaction of Los-K with Cu (II) ions. The method was automated employing a multicommuted flow analysis approach, implemented using solenoid mini-pumps for fluid propelling and a homemade LED based photometer. Under the optimized experimental conditions, the procedure showed a linear relationship in the concentration range of 23...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107609/carbon-nanodot-solar-cells-from-renewable-precursors
#8
Maria-Magdalena Titirici, Adam Marinovic, Steve Dunn, Lim Swee Kiat, Joe Briscoe
It has recently been shown that waste biomass can be converted into a wide range of functional materials, including those with desirable optical and electronic properties, offering the opportunity to find new uses for these renewable resources. Photovoltaics is one area where finding the combination of abundant, low-cost and non-toxic materials with the necessary functionality can be challenging. In this paper we compare the performance of carbon nanodots derived from a wide range of biomaterials obtained from different biomass sources as sensitizers for TiO2-based nanostructured solar cells; polysaccharides (chitosan and chitin), monosaccharide (D-glucose), amino acids (L-arginine and L-cysteine) and raw lobster shells are all used to produce carbon nanodots via hydrothermal carbonisation...
January 20, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28106848/a-new-strategy-for-heavy-metal-polluted-environments-a-review-of-microbial-biosorbents
#9
REVIEW
Ayansina Segun Ayangbenro, Olubukola Oluranti Babalola
Persistent heavy metal pollution poses a major threat to all life forms in the environment due to its toxic effects. These metals are very reactive at low concentrations and can accumulate in the food web, causing severe public health concerns. Remediation using conventional physical and chemical methods is uneconomical and generates large volumes of chemical waste. Bioremediation of hazardous metals has received considerable and growing interest over the years. The use of microbial biosorbents is eco-friendly and cost effective; hence, it is an efficient alternative for the remediation of heavy metal contaminated environments...
January 19, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106505/pulp-vascularization-during-tooth-development-regeneration-and-therapy
#10
C Rombouts, T Giraud, C Jeanneau, I About
The pulp is a highly vascularized tissue situated in an inextensible environment surrounded by rigid dentin walls, with the apical foramina being the only access. The pulp vascular system is not only responsible for nutrient supply and waste removal but also contributes actively to the pulp inflammatory response and subsequent regeneration. This review discusses the underlying mechanisms of pulp vascularization during tooth development, regeneration, and therapeutic procedures, such as tissue engineering and tooth transplantation...
February 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28106250/assessment-of-biochar-and-hydrochar-as-minor-to-major-constituents-of-growing-media-for-containerized-tomato-production
#11
Fernando Fornes, Rosa M Belda, Pascual Fernández de Córdova, Jaime Cebolla-Cornejo
BACKGROUND: Chars are emerging materials as constituents of growth media. However, chars of different origin differ in their characteristics and more studies are needed to ratify them for such role. The characteristics of coir mixed with 0, 10, 25, 50, 75, and 100 (% v:v) of two biochars, from forest waste (BCH-FW) and from olive mill waste (BCH-OMW), and one hydrochar, from forest waste (HYD-FW), and their effects on growth, yield and fruit quality of two tomato cultivars (Gransol RZ and Cuarenteno) were assessed...
January 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28105917/proclat-a-new-bioinformatics-tool-for-in-silico-protein-reclassification-case-study-of-drab-a-protein-coded-from-the-dratgb-operon-in-azospirillum-brasilense
#12
Elisa Terumi Rubel, Roberto Tadeu Raittz, Nilson Antonio da Rocha Coimbra, Michelly Alves Coutinho Gehlen, Fábio de Oliveira Pedrosa
BACKGROUND: Azopirillum brasilense is a plant-growth promoting nitrogen-fixing bacteria that is used as bio-fertilizer in agriculture. Since nitrogen fixation has a high-energy demand, the reduction of N2 to NH4(+) by nitrogenase occurs only under limiting conditions of NH4(+) and O2. Moreover, the synthesis and activity of nitrogenase is highly regulated to prevent energy waste. In A. brasilense nitrogenase activity is regulated by the products of draG and draT. The product of the draB gene, located downstream in the draTGB operon, may be involved in the regulation of nitrogenase activity by an, as yet, unknown mechanism...
December 15, 2016: BMC Bioinformatics
https://www.readbyqxmd.com/read/28105780/effect-of-copper-ion-and-soil-humic-acid-on-biodegradation-of-decabromodiphenyl-ether-bde-209-by-pseudomonas-aeruginosa
#13
Yu Liu, Aijun Gong, Lina Qiu, Jingrui Li, Fukai Li
Pseudomonas aeruginosa is a good environmental microorganism capable of degrading decabromodiphenyl ether (BDE-209). This paper studied the effect of Cu(2+) and humic acid (HA) extracted from e-waste contaminated soils on biodegradation of BDE-209 by P. aeruginosa. The adsorption isotherms of Cu(2+) on HA, the crude enzyme activity, cell surface morphology, and biodegradation pathway were also investigated. The results showed that BDE-209 biodegradation by P. aeruginosa was inhibited at Cu(2+) concentrations above 5 mg L(-1) , but exhibited the best effect at the condition of 40 mg L(-1) Cu(2+)  + 3 g L(-1) HA...
January 19, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28105596/monitoring-nutrients-fate-after-digestate-spreading-in-a-short-rotation-buffer-area
#14
Nicolò Colombani, Bruno Boz, Bruna Gumiero, Micòl Mastrocicco
One of the main sources of reactive nitrogen pollution is animal manure. The disposal of digestate (material remaining after the anaerobic digestion of a biodegradable feedstock) in agricultural soils could solve both the problems of soil fertilization and waste removal, but the fate of digestate in the environment must be assessed carefully before its massive utilization. To investigate whether digestate could be safely employed as a soil fertilizer, an agricultural field located in Monastier di Treviso (Northern Italy) and characterized by the presence of low hydraulic conductivity clay soils, was selected to be amended with bovine digestate...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28104817/dysferlin-mediates-membrane-tubulation-and-links-t-tubule-biogenesis-to-muscular-dystrophy
#15
Julia Hofhuis, Kristina Bersch, Ronja Büssenschütt, Marzena Drzymalski, David Liebetanz, Viacheslav O Nikolaev, Stefan Wagner, Lars S Maier, Jutta Gärtner, Lars Klinge, Sven Thoms
The multi-C2 domain protein dysferlin localizes to the plasma membrane and the T-tubule system in skeletal muscle, however, its physiological mode of action is unknown. Mutations in the DYSF gene lead to autosomal recessive limb-girdle muscular dystrophy type 2B and Miyoshi myopathy. Here we show that dysferlin has membrane tubulating capacity and that it shapes the T-tubule system. Dysferlin tubulates liposomes, generates a T-tubule-like membrane system in non-muscle cells, and links the recruitment of phosphatidylinositol 4,5-bisphosphate to the biogenesis of the T-tubule system...
January 19, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28104751/exercise-training-decreases-nadph-oxidase-activity-and-restores-skeletal-muscle-mass-in-heart-failure-rats
#16
Telma F Cunha, Luiz Roberto Grassman Bechara, Aline V N Bacurau, Paulo R Jannig, Vanessa Azevedo Voltarelli, Paulo M Dourado, Andrea R Vasconcelos, Cristóforo Scavone, Julio C B Ferreira, Patricia C Brum
We have recently demonstrated that NADPH oxidase hyperactivity, NF-κB activation and increased p38 phosphorylation lead to atrophy of glycolytic muscle in heart failure (HF). Aerobic exercise training (AET) is an efficient strategy to counteract skeletal muscle atrophy in this syndrome. Therefore, we tested whether AET would regulate muscle redox balance and protein degradation by decreasing NADPH oxidase hyperactivity, reestablishing NF-κB signaling, p38 phosphorylation and proteasome activity in plantaris muscle of myocardial infarcted-induced HF (MI) rats...
January 19, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28104518/evaluation-of-the-dry-and-wet-weather-recreational-health-risks-in-a-semi-enclosed-marine-embayment-in-southern-california
#17
Keah-Ying Lim, Stella Shao, Jian Peng, Stanley B Grant, Sunny C Jiang
For many coastal regions around the world, recreational beach water quality is assessed using fecal indicator bacteria (FIB). However, the utility of FIB as indicators of recreational water illness (RWI) risk has been questioned, particularly in coastal settings with no obvious sources of human sewage. In this study we employed a source-apportionment quantitative microbial risk assessment (SA-QMRA) to assess RWI risk at a popular semi-enclosed recreational beach in Southern California (Baby Beach, City of Dana Point) with no obvious point sources of human sewage...
January 4, 2017: Water Research
https://www.readbyqxmd.com/read/28104515/biomass-density-function-relationships-in-suspended-growth-biological-processes-a-critical-review
#18
REVIEW
Lin Li, Krishna R Pagilla
Good settling performance in suspended growth biomass systems, for example in activated sludge (AS) process, leads to efficient wastewater and sludge treatment. Factors that cause the differences in settleablility of AS include the morphology of bacteria, microbial community structure, and the density of bacteria and flocs. Density of AS at three levels, namely, cell, floc, and process, have been discussed here to explain the variations in AS settleability. Dense materials, inside or outside the cell, significantly increase density of AS bacteria or flocs...
January 9, 2017: Water Research
https://www.readbyqxmd.com/read/28104478/toxicological-effects-of-the-waste-of-the-sugarcane-industry-used-as-agricultural-fertilizer-on-the-test-system-allium-cepa
#19
Leonardo Ramos Anacleto, Matheus Mantuanelli Roberto, Maria Aparecida Marin-Morales
Sugarcane is cultivated in tropical countries for sugar and ethanol production. In Brazil, this culture is among the most profitable with a production of 658.7 million tons/harvest. Sugarcane filter cake (SCFC) is a waste rich in organic matter and micronutrients, but also contains toxic metals. As it has been used as fertilizer and there is not enough knowledge about its environmental impacts, this work assessed the genotoxicogenetic effects of raw SCFC and associations with soil and sugarcane bagasse (SCB), by Allium cepa tests...
January 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28104369/fractionation-and-physicochemical-characterization-of-lignin-from-waste-jute-bags-effect-of-process-parameters-on-yield-and-thermal-degradation
#20
Dheeraj Ahuja, Anupama Kaushik, Ghanshyam S Chauhan
In this work lignin was extracted from waste jute bags using soda cooking method and effect of varying alkali concentration and pH on yield, purity, structure and thermal degradation of lignin were studied. The Lignin yield, chemical composition and purity were assessed using TAPPI method and UV-vis spectroscopy. Yield and purity of lignin ranged from 27 to 58% and 50 to 94%, respectively for all the samples and was maximum for 8% alkali concentration and at pH 2 giving higher thermal stability. Chemical structure, thermal stability and elementary analysis of lignin were studied using FTIR, (H)NMR, thermo gravimetric analysis (TGA) and Elemental analyzer...
January 16, 2017: International Journal of Biological Macromolecules
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