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https://www.readbyqxmd.com/read/28813008/dietary-fructose-enhances-the-ability-of-low-concentrations-of-angiotensin-ii-to-stimulate-proximal-tubule-na%C3%A2-%C2%BA-reabsorption
#1
Agustin Gonzalez-Vicente, Pablo D Cabral, Nancy J Hong, Jessica Asirwatham, Nianxin Yang, Jessica M Berthiaume, Fernando P Dominici, Jeffrey L Garvin
Fructose-enriched diets cause salt-sensitive hypertension. Proximal tubules (PTs) reabsorb 70% of the water and salt filtered through the glomerulus. Angiotensin II (Ang II) regulates this process. Normally, dietary salt reduces Ang II allowing the kidney to excrete more salt, thereby preventing hypertension. We hypothesized that fructose-enriched diets enhance the ability of low concentrations of Ang II to stimulate PT transport. We measured the effects of a low concentration of Ang II (10(-12) mol/L) on transport-related oxygen consumption (QO₂), and Na/K-ATPase and Na/H-exchange (NHE) activities and expression in PTs from rats consuming tap water (Control) or 20% fructose (FRUC)...
August 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28812195/design-and-evaluation-of-a-compact-photocatalytic-reactor-for-water-treatment
#2
Marko Kete, Olena Pliekhova, Lev Matoh, Urška Lavrenčič Štangar
A compact reactor for photocatalytic oxidation and photocatalytic ozonation water treatment was developed and evaluated by using four model pollutants. Additionally, combinations of pollutants were evaluated. Specially produced Al2O3 porous reticulated monolith foams served as TiO2 carriers, offering a high surface area support. UV lamps were placed in the interior to achieve reduced dimensions of the reactor (12 cm in diameter × 20 cm in height). Despite its small size, the overall photocatalytic cleaning capacity was substantial...
August 15, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28811799/diversity-physiochemical-and-phylogenetic-analyses-of-bacteria-isolated-from-various-drinking-water-sources
#3
Neveen H Eid, Huda A Al Doghaither, Taha A Kumosani, Munazza Gull
OBJECTIVE: To evaluate the indigenous bacterial strains of drinking water from the most commercial water types including bottled and filtered water that are currently used in Saudi Arabia. METHODS: Thirty randomly selected commercial brands of bottled water were purchased from Saudi local markets. Moreover, samples from tap water and filtered water were collected in sterilized glass bottles and stored at 4°C. Biochemical analyses including pH, temperature, lactose fermentation test (LAC), indole test (IND), methyl red test (MR), Voges-Proskauer test (VP), urease test (URE), catalase test (CAT), aerobic and anaerobic test (Ae/An) were measured...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28810710/testing-convergent-evolution-in-auditory-processing-genes-between-echolocating-mammals-and-the-aye-aye-a-percussive-foraging-primate
#4
Richard J Bankoff, Michael Jerjos, Baily Hohman, M Elise Lauterbur, Logan Kistler, George H Perry
Several taxonomically distinct mammalian groups-certain microbats and cetaceans (e.g., dolphins)-share both morphological adaptations related to echolocation behavior and strong signatures of convergent evolution at the amino acid level across seven genes related to auditory processing. Aye-ayes (Daubentonia madagascariensis) are nocturnal lemurs with a specialized auditory processing system. Aye-ayes tap rapidly along the surfaces of trees, listening to reverberations to identify the mines of wood-boring insect larvae; this behavior has been hypothesized to functionally mimic echolocation...
July 1, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28810222/bio-electro-oxidation-of-indigo-carmine-by-using-microporous-activated-carbon-fiber-felt-as-anode-and-bioreactor-support
#5
Luane Ferreira Garcia, Ana Claudia Rodrigues Siqueira, Germán Sanz Lobón, Jossano Saldanha Marcuzzo, Benevides Costa Pessela, Eduardo Mendez, Telma Alves Garcia, Eric de Souza Gil
The bioremediation and electro-oxidation (EO) processes are included among the most promising cleaning and decontamination mechanisms of water. The efficiency of bioremediation is dictated by the biological actuator for a specific substrate, its suitable immobilization and all involved biochemical concepts. The EO performance is defined by the anode efficiency to perform the complete mineralization of target compounds and is highlighted by the low or null use of reagent. Recently, the combination of both technologies has been proposed...
August 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28808817/electrophysiological-modulation-in-an-effort-to-complete-illusory-figures-configuration-illusory-contour-and-closure-effects
#6
Tommaso Poscoliero, Massimo Girelli
Figure recognition process: From the coarse configuration standing from the background to the closure of a meaningful shape, was investigated by ERP technique. ERP components at different latencies from stimulus onset allowed to tap into the figure recognition process at discrete time-points when different cognitive operations take place. In this study, we present two experiments where the support-ratio (SR) of illusory figures was manipulated to vary continuously the recognition of geometrical figures. In the first experiment three shapes were used to vary the SR and the P1 component (80-130 ms) was modulated by the configuration-effect explained, in part for the first time, with the unbalanced physical stimulation between upper and lower visual field...
August 14, 2017: Brain Topography
https://www.readbyqxmd.com/read/28806668/combination-of-electrochemical-biosensor-and-textile-threads-a-microfluidic-device-for-phenol-determination-in-tap-water
#7
F R Caetano, E A Carneiro, D Agustini, L C S Figueiredo-Filho, C E Banks, M F Bergamini, L H Marcolino-Junior
Microfluidic devices constructed using low cost materials presents as alternative for conventional flow analysis systems because they provide advantages as low consumption of reagents and samples, high speed of analysis, possibility of portability and the easiness of construction and maintenance. Herein, is described for the first time the use of an electrochemical biosensor for phenol detection combined with a very simple and efficient microfluidic device based on commercial textile threads. Taking advantages of capillary phenomena and gravity forces, the solution transportation is promoted without any external forces or injection pump...
July 29, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28806664/porous-plga-microparticles-formed-by-one-step-emulsification-for-pulmonary-drug-delivery-the-surface-morphology-and-the-aerodynamic-properties
#8
Shinnosuke Nishimura, Taku Takami, Yoshihiko Murakami
In the present study, by using a newly developed one-step emulsification technique, we tried to prepare porous PLGA particles having a proper diameter and surface morphology in order to achieve both a high efficient delivery of the particles to the lungs and a phagocytosis-avoidance ability. We found that our porous particles have the very low tapped density of 0.04g/cm(3). Experimental and theoretical studies strongly suggest that the shape factor should not be determined only by the outline of the particles, although previous research assigned a value of 1 to the shape factor for particles regardless of the presence of pores and their distribution...
August 4, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28803601/ultrasound-guided-transversus-abdominis-plane-block-improves-postoperative-analgesia-and-early-recovery-in-patients-undergoing-retroperitoneoscopic-urologic-surgeries-a-randomized-controlled-double-blinded-trial
#9
Ge Qu, Xu-Lei Cui, Hong-Ju Liu, Zhi-Gang Ji, Yu-Guang Huang
Objective To evaluate the effects of ultrasound-guided transversus abdominis plane (TAP) block on postoperative analgesia and early recovery in patients undergoing retroperitoneoscopic urologic surgeries. Methods This was a randomized, controlled, double-blinded trial. Eligible patients scheduled for retroperitoneoscopic urologic surgeries were randomly assigned to two groups. Group TAP received ultrasound-guided TAP block with 0.5% ropivacaine 20 ml at 30 minutes before surgery, and Group C received TAP sham block with normal saline...
September 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/28801773/growth-performance-mineral-digestibility-and-blood-characteristics-of-ostriches-receiving-drinking-water-supplemented-with-varying-levels-of-chelated-trace-mineral-complex
#10
Hossein Seyfori, Hossein Ali Ghasemi, Iman Hajkhodadadi, Mohammad Hassan Nazaran, Maryam Hafizi
The effects of water supplementation of chelated trace minerals (CTM, which is named Bonzaplex designed with chelate compounds technology) on growth performance, apparent total tract digestibility (ATTD) of minerals, and some blood metabolites, TM, and antioxidant enzyme values in African ostriches were investigated from 8 to 12 months of age. A total of 20 8-month-old ostriches (five birds in five replicate pens) was randomly allocated into one of the following four treatments: (1) control (basal diet + tap water), (2) low CTM (basal diet +100 mg/bird/day CTM powder in tap water), (3) medium CTM (basal diet +1 g/bird/day CTM powder in tap water), and (4) high CTM (basal diet +2 g/bird/day CTM powder in tap water)...
August 11, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28801682/water-ingestion-decreases-cardiac-workload-time-dependent-in-healthy-adults-with-no-effect-of-gender
#11
Cathriona Rosemary Monnard, Erik Konrad Grasser
Ingestion of water entails a variety of cardiovascular responses. However, the precise effect remains elusive. We aimed to determine in healthy adults the effect of water on cardiac workload and to investigate potential gender differences. We pooled data from two controlled studies where blood pressure (BP) and heart rate (HR) were continuously recorded before and after the ingestion of 355 mL of tap water. Additionally, we calculated double product by multiplying systolic BP with HR and evaluated spectral parameters referring to vagal tone...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801070/methodological-considerations-for-the-temporal-summation-of-second-pain
#12
Nathanial R Eckert, Charles J Vierck, Corey B Simon, Sachell Calderon, Yenisel Cruz-Almeida, Roland Staud, Roger B Fillingim, Joseph L Riley
Temporal summation of second pain (TSSP) is a psychophysical indication of a central pain encoding mechanism, potentially enhanced in pathological pain conditions. Low frequency repetitive stimulation of unmyelinated (C) nociceptors results in a progressive increase of pain intensity when thermal stimulation intensity remains constant. However, when using different methods of nociceptive delivery to the skin, both regularity and rate of pain enhancement with repetition varies between experiments. Specifically, repetitive ramping up and down from a neutral to a painful temperature has produced weak and inconsistent pain summation...
August 8, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28800645/analysis-of-endogenous-lipids-during-intestinal-wound-healing
#13
Yunna Lee, Jieun Choo, Su Jin Kim, Gwangbeom Heo, Charalabos Pothoulakis, Yong-Hak Kim, Eunok Im
Intestinal wound healing is a new therapeutic goal for inflammatory bowel disease (IBD) as complete healing of the mucosa is the key element of clinical remission in IBD. Previous studies showed that termination of inflammation can be achieved by adding pro-resolving lipids like DHA and EPA exogenously. However, the roles of these lipids in mucosal healing have not been investigated. To recapitulate intestinal healing process, mice were received dextran sodium sulfate (DSS) for 7 days in the drinking water followed by regular tap water for 5 additional days...
2017: PloS One
https://www.readbyqxmd.com/read/28800414/global-distribution-of-perfluorochemicals-pfcs-in-potential-human-exposure-source-a-review
#14
REVIEW
Jun-Meng Jian, Ying Guo, Lixi Zeng, Liu Liang-Ying, Xingwen Lu, Fei Wang, Eddy Y Zeng
Human exposure to perfluorochemicals (PFCs) has attracted mounting attention due to their potential harmful effects. Breathing, dietary intake, and drinking are believed to be the main routes for PFC entering into human body. Thus, we profiled PFC compositions and concentrations in indoor air and dust, food, and drinking water with detailed analysis of literature data published after 2010. Concentrations of PFCs in air and dust samples collected from home, office, and vehicle were outlined. The results showed that neutral PFCs (e...
August 8, 2017: Environment International
https://www.readbyqxmd.com/read/28799530/scanning-electron-microscopy-study-of-hair-shaft-changes-related-to-hardness-of-water
#15
Lujain M Alahmmed, Ebtehal A Alibrahim, Abdullah F Alkhars, Mohammed N Almulhim, Sayed Ibrahim Ali, Feroze Kaliyadan
INTRODUCTION AND AIMS: Brittleness and breakage of hair is a common complaint in the geographical area of Saudi Arabia where we work. This area has a high level of hardness in normal tap water. We aimed to study and compare structural differences and relative deposition of calcium and magnesium salts on the hair shaft surface using scanning electron microscopy (SEM) between hair shaft samples from normal, healthy volunteers treated with hard and soft water. METHODS: Hair samples obtained from 20 healthy volunteers were divided into two groups...
August 9, 2017: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/28798297/crystal-structure-of-mppr-1i-a-scp-taps-protein-from-moniliophthora-perniciosa-the-fungus-that-causes-witches-broom-disease-of-cacao
#16
Renata M Baroni, Zhipu Luo, Rabih Darwiche, Elissa M Hudspeth, Roger Schneiter, Gonçalo A G Pereira, Jorge M C Mondego, Oluwatoyin A Asojo
The pathogenic fungi Moniliophthora perniciosa causes Witches' Broom Disease (WBD) of cacao. The structure of MpPR-1i, a protein expressed by M. perniciosa when it infects cacao, are presented. This is the first reported de novo structure determined by single-wavelength anomalous dispersion phasing upon soaking with selenourea. Each monomer has flexible loop regions linking the core alpha-beta-alpha sandwich topology that comprise ~50% of the structure, making it difficult to generate an accurate homology model of the protein...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28797521/increasing-chloride-in-rivers-of-the-conterminous-u-s-and-linkages-to-potential-corrosivity-and-lead-action-level-exceedances-in-drinking-water
#17
E G Stets, C J Lee, D A Lytle, M R Schock
Corrosion in water-distribution systems is a costly problem and controlling corrosion is a primary focus of efforts to reduce lead (Pb) and copper (Cu) in tap water. High chloride concentrations can increase the tendency of water to cause corrosion in distribution systems. The effects of chloride are also expressed in several indices commonly used to describe the potential corrosivity of water, the chloride-sulfate mass ratio (CSMR) and the Larson Ratio (LR). Elevated CSMR has been linked to the galvanic corrosion of Pb whereas LR is indicative of the corrosivity of water to iron and steel...
July 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28797209/working-memory-and-auditory-imagery-predict-sensorimotor-synchronization-with-expressively-timed-music
#18
Ian D Colley, Peter E Keller, Andrea R Halpern
Sensorimotor synchronization (SMS) is prevalent and readily studied in musical settings, as most people are able to perceive and synchronize with a beat (e.g. by finger tapping). We took an individual differences approach to understanding SMS to real music characterized by expressive timing (i.e. fluctuating beat regularity). Given the dynamic nature of SMS, we hypothesized that individual differences in working memory and auditory imagery-both fluid cognitive processes-would predict SMS at two levels: 1) mean absolute asynchrony (a measure of synchronization error), and 2) anticipatory timing (i...
August 11, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28796287/optimization-of-ripe-olive-processing-with-a-single-lye-treatment
#19
Manuel Brenes, Concepción Romero, Pedro García-García
The development of a method for darkening black ripe olives during the washing step with a single NaOH treatment and preservation liquid was studied. Olives of the Hojiblanca cultivar were darkened at pilot plant scale, packed, sterilized, and analyzed after 2 mo of storage at ambient temperature. It was found that the use of a mixture of preservation liquid:water at a ratio of 1:1 during the first washing gave rise to darker olives with slightly better firmness and no effect on sensory quality. However, care must be taken with the concentration of acetic acid in the preservation solution, as a content of this organic acid higher than 25 g/L can cause adverse effects on olive color due to the low pH that can be reached in the flesh of the fruit...
August 10, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28795073/biomechanical-comparison-of-a-first-and-a-second-generation-all-soft-suture-glenoid-anchor
#20
John Erickson, Frank Chiarappa, Jonathan Haskel, Justin Rice, Adam Hyatt, James Monica, Aman Dhawan
BACKGROUND: All-soft tissue suture anchors provide advantages of decreased removal of bone and decreased glenoid volume occupied compared with traditional tap or screw-in suture anchors. Previous published data have led to biomechanical concerns with the use of first-generation all-soft suture anchors. PURPOSE/HYPOTHESIS: The purpose of this study was to evaluate the load to 2-mm displacement and ultimate load to failure of a second-generation all-soft suture anchor, compared with a first-generation anchor and a traditional PEEK (polyether ether ketone) anchor...
July 2017: Orthopaedic Journal of Sports Medicine
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