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https://www.readbyqxmd.com/read/27932675/the-effects-of-voluntary-exercise-and-prazosin-on-capillary-rarefaction-and-metabolism-in-streptozotocin-induced-diabetic-male-rats
#1
Emily C Dunford, Erwan Leclair, Julian Aiken, Erin R Mandel, Tara L Haas, Olivier Birot, Michael C Riddell
Type-1 diabetes mellitus (T1D) causes impairments within the skeletal muscle microvasculature. Both regular exercise and prazosin have been shown to improve skeletal muscle capillarization and metabolism in healthy rats, through distinct angiogenic mechanisms. The aim of this study was to evaluate the independent and additive effects of voluntary exercise and prazosin treatment on capillary-to-fiber ratio (C:F) in streptozotocin (STZ)-treated diabetic rats. STZ (65mg/kg) was intraperitoneally administered to male Sprague-Dawley rats (n=36) to induce diabetes, with healthy, non-diabetic, sedentary rats (n=10) as controls...
December 8, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27931002/3d-hierarchical-flower-like-nickel-ferrite-manganese-dioxide-toward-lead-ii-removal-from-aqueous-water
#2
Bo Xiang, Dong Ling, Han Lou, Hongbo Gu
A functionalized magnetic nickel ferrite/manganese dioxide (NiFe2O4/MnO2) with 3D hierarchical flower-like and core-shell structure was synthesized by a facile hydrothermal approach and applied for the removal of Pb(II) ions from aqueous solutions. Batch adsorption experiments were conducted to study the effect of solution pH, initial Pb(II) concentration, and dose of absorbents on the Pb(II) removal by NiFe2O4/MnO2. The NiFe2O4/MnO2 nanocomposites showed the fast Pb(II) adsorption performance with the maximum adsorption capacity of 85...
November 4, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27930854/the-water-kefir-grain-inoculum-determines-the-characteristics-of-the-resulting-water-kefir-fermentation-process
#3
David Laureys, Luc De Vuyst
AIMS: To investigate the influence of the water kefir grain inoculum on the characteristics of the water kefir fermentation process. METHODS AND RESULTS: Three water kefir fermentation processes were started with different water kefir grain inocula and followed as a function of time regarding microbial species diversity, community dynamics, substrate consumption profile, and metabolite production course. The inoculum determined the water kefir grain growth, the viable counts on the grains, the time until total carbohydrate exhaustion, the final metabolite concentrations, and the microbial species diversity...
December 8, 2016: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/27929105/glymphatic-solute-transport-does-not-require-bulk-flow
#4
Mahdi Asgari, Diane de Zélicourt, Vartan Kurtcuoglu
Observations of fast transport of fluorescent tracers in mouse brains have led to the hypothesis of bulk water flow directed from arterial to venous paravascular spaces (PVS) through the cortical interstitium. At the same time, there is evidence for interstitial solute transport by diffusion rather than by directed bulk fluid motion. It has been shown that the two views may be consolidated by intracellular water flow through astrocyte networks combined with mainly diffusive extracellular transport of solutes...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27927080/red-ginseng-powder-fermented-with-probiotics-exerts-antidiabetic-effects-in-the-streptozotocin-induced-mouse-diabetes-model
#5
Sun-Hee Jang, Jisang Park, Sae-Hae Kim, Kyung-Min Choi, Eun-Sil Ko, Jeong-Dan Cha, Young-Ran Lee, Hyonseok Jang, Yong-Suk Jang
CONTEXT: Red ginseng (heat-processed Panax ginseng) is a well-known alternative medicine with pharmacological antidiabetic activity. It exerts pharmacological effects through the transformation of saponin into metabolites by the intestinal microbiota. Given that intestinal conditions and intestinal microflora vary among individuals, the pharmacological effects of orally administered red ginseng likely may vary among individuals. OBJECTIVE: To overcome this variation and produce homogeneously effective red ginseng, we evaluated the antidiabetic effects of probiotic-fermented red ginseng in a mouse model...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/27925436/the-chemical-route-to-a-co2-neutral-world
#6
Johan Martens, Annemie Bogaerts, Norbert De Kimpe, Pierre Jacobs, Guy Marin, Korneel Rabaey, Mark Saeys, Sebastian Verhelst
The excessive CO2 emissions in the atmosphere from anthropogenic activity can be divided into point sources and diffuse sources. The capture of CO2 from flue gases of large industrial installations and its conversion to fuels and chemicals with fast catalytic processes seems technically possible. Some emerging technologies are already being demonstrated on an industrial scale. Others are still being tested on a laboratory or pilot scale. These emerging technologies can be implemented in a time-window ranging from 5 to 20 years...
December 7, 2016: ChemSusChem
https://www.readbyqxmd.com/read/27925048/resting-energy-expenditure-in-critically-ill-patients-evaluation-methods-and-clinical-applications
#7
Ana Cláudia Soncini Sanches, Cassiana Regina de Góes, Marina Nogueira Berbel Bufarah, André Luiz Balbi, Daniela Ponce
Patients on intensive care present systemic, metabolic, and hormonal alterations that may adversely affect their nutritional condition and lead to fast and important depletion of lean mass and malnutrition. Several factors and medical conditions can influence the energy expenditure (EE) of critically ill patients, such as age, gender, surgery, serious infections, medications, ventilation modality, and organ dysfunction. Clinical conditions that can present with EE change include acute kidney injury, a complex disorder commonly seen in critically ill patients with manifestations that can range from minimum elevations in serum creatinine to renal failure requiring dialysis...
October 2016: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/27924959/effects-of-ramadan-fasting-on-body-composition-and-arterial-stiffness
#8
Yusuf Sezen, Ibrahim Halil Altiparmak, Muslihittin Emre Erkus, Aydemir Kocarslan, Zekeriya Kaya, Ozgur Gunebakmaz, Recep Demirbag
OBJECTIVE: To examine the effects of Ramadan fasting on body composition, arterial stiffness and resting heart rate. METHODS: This prospective study was conducted at the Department of Cardiology, Harran University, Sanliurfa, Turkey, during Ramadan 2015, and comprised overweight and obese males. Body composition, arterial stiffness and echocardiography were assessed before and after Ramadan. Body composition was assessed by bioelectrical impedance analysis using segmental body composition analyser...
December 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27921383/consumption-of-the-total-western-diet-differentially-affects-the-response-to-green-tea-in-rodent-models-of-chronic-disease-compared-to-the-ain93g-diet
#9
Robert E Ward, Abby D Benninghoff, Brett J Healy, Minghao Li, Bharath Vagu, Korry J Hintze
SCOPE: In pre-clinical studies investigating bioactive components, the efficacy of the bioactive is likely influenced by the basal diet provided to rodents. In this study, we hypothesized that a model bioactive, green tea extract (GTE), would have different effects on colon carcinogenesis, body composition, and lipid metabolism in mice fed a basal diet formulated to promote animal health and growth (AIN93G) as compared to a Western diet that emulates typical American intakes of micro- and macronutrients, the total Western diet (TWD)...
December 6, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27919559/effects-of-flow-regime-on-benthic-algae-and-macroinvertebrates-a-comparison-between-regulated-and-unregulated-rivers
#10
Susanne C Schneider, Zlatko Petrin
Natural fluctuations in flow are important for maintaining the ecological integrity of riverine ecosystems. However, the flow regime of many rivers has been modified. We assessed the impact of water chemistry, habitat and streamflow characteristics on macroinvertebrates and benthic algae, comparing 20 regulated with 20 unregulated sites. Flow regime, calculated from daily averaged discharge over the five years preceding sampling, was generally more stable at regulated sites, with higher relative discharges in winter, lower relative discharges in spring and smaller differences between upper and lower percentiles...
December 2, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27918996/arsenic-removal-from-water-by-coupling-photocatalysis-and-complexation-ultrafiltration-processes-a-preliminary-study
#11
R Molinari, P Argurio
Inorganic As removal from contaminated water has been studied by off-line coupling of photocatalysis and complexation-ultrafiltration (CP-UF), showing that this combination permits to obtain a quite complete arsenic removal from the treated water. Two commercial polymers, poly(dimethylamine-coepichlorohydrin-coethylenediamine) (PDEHED) and poly(diallyl dimethyl amnmonium chloride) (PolyDADMAC) have been tested in the CP-UF process. The operating conditions (pH and polymer/As weight ratio) for As(V) complexation were determined finding values of 7...
November 27, 2016: Water Research
https://www.readbyqxmd.com/read/27916128/a-paper-based-platform-with-a-pencil-drawn-dual-amperometric-detector-for-the-rapid-quantification-of-ortho-diphenols-in-extravirgin-olive-oil
#12
Nicolò Dossi, Rosanna Toniolo, Flavia Impellizzieri, Franco Tubaro, Gino Bontempelli, Fabio Terzi, Evandro Piccin
A simple, sensitive and fast responding device is described for the discrimination of hydrophilic ortho-diphenols, whose presence in abundant enough amounts is typical for extra virgin olive oils (EVOOs), from hydrophilic mono-phenols instead present in almost all vegetable oils. It consists of a dual electrode detector pencil-drawn at the end of a paper microfluidic channel, defined by hydrophobic barriers, where samples of these antioxidants, extracted from vegetable oils by a 80:20% v/v acetonitrile/water mixture, were applied...
January 15, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27912244/environmental-sustainability-analysis-and-nutritional-strategies-of-animal-production-in-china
#13
Bie Tan, Yulong Yin
Animal production in China has achieved considerable progress and contributes to46%of the total agriculture output value of the country. However, this fast expansion of animal production has led to environmental pollution. In this article, we review the status of soil, water, and air pollution associated with animal production in China and analyze the main sources of the pollutants. The government has promulgated regulations and standards, and effective models and technologies have been developed to control pollution during the last 10 years...
November 21, 2016: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/27912120/solvothermal-synthesis-of-ag-hybrid-bipo4-heterostructures-with-enhanced-photodegradation-activity-and-stability
#14
Chang-Wei Huang, Mei-Yao Wu, Yang-Wei Lin
In this study, Ag hybrid BiPO4 (Ag/BiPO4) heterostructures were synthesized using a solvothermal method. The morphologies and optical properties of the Ag/BiPO4 heterostructures were drastically different from those of BiPO4 and were highly dependent on the AgNO3:BiPO4 weight percent during the synthesis. The three formulated heterostructures were evaluated for their photocatalytic degradation of methylene blue (MB) under UV light illumination; the 0.5%Ag/BiPO4 heterostructure was observed to result in 99% degradation of MB within 60min, a remarkably higher level of photodegradation activity than the levels caused by TiO2 and BiPO4...
November 22, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27910772/structural-characterization-and-immunological-activities-of-a-novel-water-soluble-polysaccharide-from-the-fruiting-bodies-of-culinary-medicinal-winter-mushroom-flammulina-velutipes-agaricomycetes
#15
Ting Feng, Wei Jia, Wen-Han Wang, Chi-Chung Lin, Hua Fan, Jing-Song Zhang, Hai-Ying Bao
A water-soluble polysaccharide, designated FVPA2, was isolated from the fruiting bodies of Flammulina velutipes using DEAE Sepharose Fast Flow and gel-permeation chromatography. Its structure was elucidated by monosaccharide composition and methylation analysis, ultraviolet, Fourier transform infrared spectrometry, and nuclear magnetic resonance spectroscopy. Results showed that FVPA2 was a homogeneous heteropolysaccharide containing galactose, fucose, and mannose in a molar ratio of 5:1:1. High-performance liquid chromatography indicated its molecular weight as 3...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27909634/nontuberculous-mycobacteria-lymphadenitis-a-case-report
#16
Amanda M Krantz, Meera Varnam, Cristina Fernandez
Atypical mycobacteria, also known as nontuberculous mycobacteria (NTM) includes acid-fast bacteria other than Mycobacterium tuberculosis. NTM can be isolated from a variety of environmental sources including water, food products, domestic animals, and soil; human exposure is typically from soil to the oral cavity and respiratory tract. Diagnosis of NTM is suspected in children less than five years old with subacute, unilateral, non-tender cervicofacial lymphadenitis in combination with a history of water exposure, penetrating injection, as well as negative routine cultures or response to antistaphylococcal and antistreptococcal antibiotics...
October 25, 2016: Curēus
https://www.readbyqxmd.com/read/27908418/lead-pb-exposure-promotes-diabetes-in-obese-rodents
#17
Jannifer B Tyrrell, Samar Hafida, Paul Stemmer, Angie Adhami, Todd Leff
BACKGROUND: Pb (lead) exposure occurs at elevated frequency in urban inner city populations that also have high rates of obesity and diabetes. OBJECTIVES: To determine if Pb can promote the development of diabetes in a setting of obesity, we examined the effect of Pb exposure on glucose metabolism in a rodent model of obesity. METHODS: Adult female ZDF rats were exposed to Pb in drinking water for 24 weeks. Fasting blood glucose, insulin, and glucose tolerance were measured at regular intervals...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908151/technical-note-a-direct-ray-tracing-method-to-compute-integral-depth-dose-in-pencil-beam-proton-radiography-with-a-multilayer-ionization-chamber
#18
Paolo Farace, Roberto Righetto, Sylvain Deffet, Arturs Meijers, Francois Vander Stappen
PURPOSE: To introduce a fast ray-tracing algorithm in pencil proton radiography (PR) with a multilayer ionization chamber (MLIC) for in vivo range error mapping. METHODS: Pencil beam PR was obtained by delivering spots uniformly positioned in a square (45 × 45 mm(2) field-of-view) of 9 × 9 spots capable of crossing the phantoms (210 MeV). The exit beam was collected by a MLIC to sample the integral depth dose (IDDMLIC). PRs of an electron-density and of a head phantom were acquired by moving the couch to obtain multiple 45 × 45 mm(2) frames...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27901186/orange-juice-with-a-high-fat-meal-prolongs-postprandial-lipemia-in-apparently-healthy-overweight-obese-women
#19
Raquel Cristina L A Coelho, Helen Hermana M Hermsdorff, Renata S Gomide, Raquel Duarte M Alves, Josefina Bressan
Objective: We investigated the postprandial response of lipid markers to a high-fat meal (HFM) with two different beverages in apparently healthy normal-weight and overweight/obese women. Subjects and methods: This crossover, randomized study enrolled 36 women, of whom 21 had normal weight (body mass index [BMI] 22 ± 1.8 kg/m2) and 15 had overweight/obesity (BMI 31 ± 3.7 kg/m2). In two different test days, the participants ingested a HFM (37% of energy as saturated fat) with 500 mL of water (HFM-W) or 500 mL of orange juice (HFM-OJ)...
November 24, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27901156/hydration-and-self-aggregation-of-a-neutral-cosolute-from-dielectric-relaxation-spectroscopy-and-md-simulations-the-case-of-1-3-dimethylurea
#20
Vira Agieienko, Dominik Horinek, Richard Buchner
The influence of the amphiphile 1,3-dimethylurea (1,3-DMU) on the dynamic properties of water was studied using dielectric relaxation spectroscopy. The experiment provided evidence for substantial retardation of water reorientation in the hydration shell of 1,3-DMU, leading to a separate slow-water relaxation in addition to contributions from bulk-like and fast water as well as from the solute. From the amplitudes of the resolved water modes effective hydration numbers were calculated, showing that each 1,3-DMU molecule effectively freezes the reorientation of 1-2 water molecules...
November 30, 2016: Physical Chemistry Chemical Physics: PCCP
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