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https://www.readbyqxmd.com/read/28929016/age-growth-mortality-and-reproductive-seasonality-of-jolthead-porgy-calamus-bajonado-from-florida-waters
#1
Michael L Burton, Jennifer C Potts, Jordan Page, Ariel Poholek
Ages of jolthead porgy (Calamus bajonado Schneider 1801) (n = 635) from Florida commercial and recreational fisheries from 2008-2016 were determined using sectioned sagittal otoliths. We determined, using edge-type analysis, that opaque zones were annular, forming March-June (peaking in April). Jolthead porgy ranged from 1-13 years, and the largest fish measured 680 mm TL (total length, mm). Body size relationships for jolthead porgy were TL = 1.09FL + 20.44 (n = 622, r(2) = 0.99), FL = 0.90 TL -14...
2017: PeerJ
https://www.readbyqxmd.com/read/28928461/time-dependent-effects-of-ipragliflozin-on-behaviour-and-energy-homeostasis-in-normal-and-type-2-diabetic-rats-continuous-glucose-telemetry-analysis
#2
Hiroyuki Iuchi, Masaya Sakamoto, Daisuke Matsutani, Hirofumi Suzuki, Yosuke Kayama, Norihiko Takeda, Susumu Minamisawa, Kazunori Utsunomiya
Sodium-glucose cotransporter 2 (SGLT2) inhibitors are oral antidiabetic drugs that promote urinary glucose excretion. Conversely, they cause behavioural changes, such as hyperphagia, that result in a positive energy balance. The relationship between energy homeostasis and SGLT2 inhibitors-induced behavioural changes remains unclear. Here we show that ipragliflozin, a SGLT2 inhibitor, time-dependently affects behaviour and enhances energy expenditure in normal and type 2 diabetic Goto-Kakizaki (GK) rats, using continuous glucose telemetry...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28924612/water-on-the-surface-of-the-moon-as-seen-by-the-moon-mineralogy-mapper-distribution-abundance-and-origins
#3
Shuai Li, Ralph E Milliken
A new thermal correction model and experimentally validated relationships between absorption strength and water content have been used to construct the first global quantitative maps of lunar surface water derived from the Moon Mineralogy Mapper near-infrared reflectance data. We find that OH abundance increases as a function of latitude, approaching values of ~500 to 750 parts per million (ppm). Water content also increases with the degree of space weathering, consistent with the preferential retention of water originating from solar wind implantation during agglutinate formation...
September 2017: Science Advances
https://www.readbyqxmd.com/read/28924484/diabetic-ketoacidosis-producing-extreme-hyperkalemia-in-a-patient-with-type-1-diabetes-on-hemodialysis
#4
Hodaka Yamada, Shunsuke Funazaki, Masafumi Kakei, Kazuo Hara, San-E Ishikawa
Diabetic ketoacidosis (DKA) is a critical complication of type 1 diabetes associated with water and electrolyte disorders. Here, we report a case of DKA with extreme hyperkalemia (9.0 mEq/L) in a patient with type 1 diabetes on hemodialysis. He had a left frontal cerebral infarction resulting in inability to manage his continuous subcutaneous insulin infusion pump. Electrocardiography showed typical changes of hyperkalemia, including absent P waves, prolonged QRS interval and tented T waves. There was no evidence of total body water deficit...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28919266/rock-bream-iridovirus-rbiv-replication-in-rock-bream-oplegnathus-fasciatus-exposed-for-different-time-periods-to-susceptible-water-temperatures
#5
Myung-Hwa Jung, Chamilani Nikapitiya, Tharabenahalli-Nagaraju Vinay, Jehee Lee, Sung-Ju Jung
Rock bream iridovirus (RBIV) is a member of the Megalocytivirus genus that causes severe mortality to rock bream. Water temperature is known to affect the immune system and susceptibility of fish to RBIV infection. In this study, we evaluated the time dependent virus replication pattern and time required to completely eliminate virus from the rock bream body against RBIV infection at different water temperature conditions. The rock bream was exposed to the virus and held at 7 (group A1), 4 (group A2) and 2 days (group A3) at 23 °C before the water temperature was reduced to 17 °C...
September 15, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28917181/-137-cs-and-plutonium-isotopes-accumulation-retention-in-bottom-sediments-and-soil-in-lithuania-a-case-study-of-the-activity-concentration-of-anthropogenic-radionuclides-and-their-provenance-before-the-start-of-operation-of-the-belarusian-nuclear-power-plant
#6
D Marčiulionienė, B Lukšienė, D Montvydienė, O Jefanova, J Mažeika, R Taraškevičius, R Stakėnienė, R Petrošius, E Maceika, N Tarasiuk, Z Žukauskaitė, L Kazakevičiūtė, M Volkova
Knowledge of the background activity concentrations of anthropogenic radionuclides before the start of operations of the new nuclear facilities in Belarus is of great value worldwide. Inland water bodies in Lithuania (specifically the Neris River, the Nemunas River and the Curonian Lagoon) are near the site of the Belarusian NPP under construction and, for this reason, sediments and flooded soils from these sensitive areas were analysed for radiocesium and plutonium isotopes (macrophytes were analysed only for (137)Cs) in 2011-2012...
September 13, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28912902/effects-of-dapagliflozin-on-body-composition-and-liver-tests-in-patients-with-nonalcoholic-steatohepatitis-associated-with-type-2-diabetes-mellitus-a-prospective-open-label-uncontrolled-study
#7
Hiroshi Tobita, Shuichi Sato, Tatsuya Miyake, Shunji Ishihara, Yoshikazu Kinoshita
BACKGROUND: Nonalcoholic steatohepatitis (NASH) is an active form of nonalcoholic fatty liver disease. Risk factors for NASH include type 2 diabetes mellitus (T2DM) and obesity. Sodium-glucose cotransporter 2 (SGLT2) inhibitors used to treat T2DM prevent glucose reabsorption in the kidney and increase glucose urinary excretion. Dapagliflozin is a potent, selective SGLT2 inhibitor that reduces hyperglycemia in patients with T2DM and has been demonstrated to reduce some complications associated with NASH in rodent models...
2017: Current Therapeutic Research, Clinical and Experimental
https://www.readbyqxmd.com/read/28912799/triportheus-albus-cope-1872-in-the-blackwater-clearwater-and-whitewater-of-the-amazon-a-case-of-phenotypic-plasticity
#8
José D A Araújo, Andrea Ghelfi, Adalberto L Val
The Amazon basin includes 1000s of bodies of water, that are sorted according to their color in three types: blackwater, clearwater, and whitewater, which significantly differ in terms of their physicochemical parameters. More than 3,000 species of fish live in the rivers of the Amazon, among them, the sardine, Triportheus albus, which is one of the few species that inhabit all three types of water. The purpose of our study was to analyze if the gene expression of T. albus is determined by the different types of water, that is, if the species presents phenotypic plasticity to live in blackwater, clearwater, and whitewater...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28906432/total-power-radiometer-for-medical-sensor-applications-using-matched-and-mismatched-noise-sources
#9
Woojin Park, Jinho Jeong
This paper presents a simple total power radiometer to noninvasively measure the temperature of the human body. The proposed 3-GHz radiometer consists of an antenna collecting the noise power generated by a target, a low-noise and high-gain receiver amplifying the noise power, and a detector converting the noise power to voltage. A single-pole-triple-throw (SP3T) switch is placed between the antenna and the receiver, while a personal computer is used to control the SP3T switch, collect and process the data such as detector output voltages and physical temperatures of the reference noise sources and the target...
September 14, 2017: Sensors
https://www.readbyqxmd.com/read/28899362/nationwide-cross-sectional-survey-of-schistosomiasis-and-soil-transmitted-helminthiasis-in-sudan-study-protocol
#10
Seungman Cha, Sung-Tae Hong, Young-Ha Lee, Keon Hoon Lee, Dae Seong Cho, Jinmoo Lee, Jong-Yil Chai, Mousab Siddig Elhag, Soheir Gabralla Ahmad Khaled, Mustafa Khidir Mustafa Elnimeiri, Nahid Abdelgadeir Ali Siddig, Hana Abdelrazig, Sarah Awadelkareem, Azza Tag Eldin Elshafie, Hassan Ahmed Hassan Ahmed Ismail, Mutamad Amin
BACKGROUND: Schistosomiasis and soil-transmitted helminthiasis (STHs) are target neglected tropical diseases (NTDs) of preventive chemotherapy, but the control and elimination of these diseases have been impeded due to resource constraints. Few reports have described study protocol to draw on when conducting a nationwide survey. We present a detailed methodological description of the integrated mapping of schistosomiasis and STHs on the basis of our experiences, hoping that this protocol can be applied to future surveys in similar settings...
September 12, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28895936/rapid-and-highly-sensitive-non-competitive-immunoassay-for-specific-detection-of-nodularin
#11
Sultana Akter, Markus Vehniäinen, Harri T Kankaanpää, Urpo Lamminmäki
Nodularin (NOD) is a cyclic penta-peptide hepatotoxin mainly produced by Nodularia spumigena, reported from the brackish water bodies of various parts of the world. It can accumulate in the food chain and, for safety reasons, levels of NOD not only in water bodies but also in food matrices are of interest. Here, we report on a non-competitive immunoassay for the specific detection of NOD. A phage display technique was utilized to interrogate a synthetic antibody phage library for binders recognizing NOD bound to an anti-ADDA (3-Amino-9-methoxy-2,6,8-trimethyl-10-phenyldeca-4(E),6(E)-dienoic acid) monoclonal antibody (Mab)...
September 12, 2017: Microorganisms
https://www.readbyqxmd.com/read/28895063/considerations-in-the-use-of-body-mass-change-to-estimate-change-in-hydration-status-during-a-161-kilometer-ultramarathon-running-competition
#12
Martin D Hoffman, Eric D B Goulet, Ronald J Maughan
Hydration guidelines found in the scientific and popular literature typically advise that body mass losses beyond 2% should be avoided during exercise. In this work, we demonstrate that these guidelines are not applicable to prolonged exercise of several hours where body mass loss does not reflect an equivalent loss of body water due to the effects of body mass change from substrate use, release of water bound with muscle and liver glycogen, and production of water during substrate metabolism. These effects on the body mass loss required to maintain body water balance are shown for a 161-km mountain ultramarathon running competition participant utilizing published data for the total energy cost, exogenous energy consumption and percentage from each fuel source, average participant body mass, and the extent of soft tissue fluid accumulation during an ultramarathon...
September 11, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28894359/analysis-of-the-dynamics-of-venous-blood-flow-in-the-context-of-lower-limb-temperature-distribution-and-tissue-composition-in-the-elderly
#13
Aleksandra Skomudek, Iwona Gilowska, Ryszard Jasiński, Krystyna Rożek-Piechura
OBJECTIVE: The elderly are particularly vulnerable to degenerative diseases, such as circulatory and respiratory system and vascular system diseases. The objective of this study was therefore to evaluate the distribution of temperature and the dynamics of venous blood flow in the lower limbs (LLs) and to assess the interdependence of these parameters in terms of the somatic components in males and females participating in activities at the University of the Third Age. MATERIALS AND METHODS: The study included 60 females (mean age 67...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28893589/leptin-status-alters-buprenorphine-induced-antinociception-in-obese-mice-with-dysfunctional-leptin-receptors
#14
Zachary Glovak, Sara Mihalko, Helen A Baghdoyan, Ralph Lydic
Buprenorphine is an opiate used for pain management and to treat opiate addiction. The cytokine leptin can modulate nociception, but the extent to which buprenorphine-induced antinociception varies as a function of leptin signaling has not been characterized. Four congenic mouse lines with phenotypes that include differences in body weight and leptin status were used to test the hypothesis that the antinociceptive effects of buprenorphine vary as function of sex and leptin signaling. Each mouse line was comprised of males (n=12) and females (n=12) for a total of 96 animals...
September 8, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28892851/a-phosphorous-flow-analysis-in-spain
#15
Jesús Álvarez, Marc Roca, Cesar Valderrama, José Luis Cortina
Phosphorus (P) is a vital macronutrient required to improve the agricultural yields but its excessive use as a fertilizer has resulted in pollution of water bodies leading to eutrophication. With no reserves of phosphorus source in Spain, increased dependence on phosphorus in agriculture have not only increased dependence on imports but also has raised concerns on its future availability as a resource. A Phosphorous Flow Analysis (PFA) was conducted for Spain for the year 2012 focusing on the food production and consumption systems...
September 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28890770/using-non-supervised-artificial-neural-network-for-determination-of-anthropogenic-disturbance-in-a-river-system
#16
Nurul Ruhayu Mohd Rosli, Khairun Yahya
The study of river water quality plays an important role in assessing the pollution status and health of the water bodies. Human-induced activities such as domestic activities, aquaculture, agriculture and industries have detrimentally affected the river water quality. Pinang River is one of the important rivers in Balik Pulau District that supplies freshwater for human consumption. A total of 442 physical and chemical parameters data of the Pinang River, Balik Pulau catchment were analysed to determine the sources of pollutants entering the river...
July 2017: Tropical Life Sciences Research
https://www.readbyqxmd.com/read/28888793/metal-bioavailability-in-ecological-risk-assessment-of-freshwater-ecosystems-from-science-to-environmental-management
#17
REVIEW
Kristiina Väänänen, Matti T Leppänen, XuePing Chen, Jarkko Akkanen
Metal contamination in freshwater ecosystems is a global issue and metal discharges to aquatic environments are monitored in order to protect aquatic life and human health. Bioavailability is an important factor determining metal toxicity. In aquatic systems, metal bioavailability depends on local water and sediment characteristics, and therefore, the risks are site-specific. Environmental quality standards (EQS) are used to manage the risks of metals in aquatic environments. In the simplest form of EQSs, total concentrations of metals in water or sediment are compared against pre-set acceptable threshold levels...
September 7, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28888607/effect-of-increasing-amounts-of-milk-replacer-powder-added-to-whole-milk-on-postweaning-performance-reproduction-glucose-metabolism-and-mammary-fat-pad-in-dairy-heifers
#18
C F A Lage, R A Azevedo, F S Machado, M M Campos, L G R Pereira, T R Tomich, B C Carvalho, B R C Alves, G B Santos, F Z Brandão, S G Coelho
The aim of this study was to evaluate the effects of increasing the total solids (TS) content of liquid feed, by adding increasing amounts of milk replacer powder to whole milk, on age at puberty and postweaning performance, glucose metabolism, and mammary fat pad of dairy heifers. Crossbreed Holstein × Gyr heifers (n = 58) were distributed into 4 different treatments during the preweaning period. Treatments consisted of liquid feeds with TS content of 12.5 (actual TS = 13.5 ± 0.53%; n = 15), 15.0 (actual TS = 16...
September 6, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28888593/digestibility-and-clover-proportion-determine-milk-production-when-silages-of-different-grass-and-clover-species-are-fed-to-dairy-cows
#19
M Johansen, K Søegaard, P Lund, M R Weisbjerg
This study examined how silages of different grass and clover species affect dry matter (DM) intake, milk production, and eating behavior in dairy cows. The primary growth of perennial ryegrass (early and late harvested), festulolium, tall fescue, red clover, and white clover swards were cut, wilted, and ensiled without additives. Thirty-six Danish Holstein cows were fed ad libitum with total mixed rations containing 70% forage on DM basis in an incomplete Latin square design. The forage source was either 1 of the 6 pure silages or late perennial ryegrass silage mixed (50:50 on DM basis) with either red clover or white clover silage...
September 6, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28888166/sub-lethal-effects-of-waterborne-exposure-to-copper-nanoparticles-compared-to-copper-sulphate-on-the-shore-crab-carcinus-maenas
#20
Lisa M Rossbach, Benjamin J Shaw, Dawid Piegza, William F Vevers, Andrew J Atfield, Richard D Handy
The toxicity of soluble copper (Cu) to marine organisms is reasonably well described. However, the hazard of Cu engineered nanomaterial (ENMs) is poorly understood. The aim of the present study was to compare the toxicity of Cu ENMs to Cu as CuSO4 in the shore crab, Carcinus maenas. The crabs were exposed via the water using a semi-static approach to 0.2 or 1mgL(-1) of Cu ENMs or 1mgL(-1) of Cu as CuSO4. Gills, hepatopancreas, chela muscle and haemolymph were collected at days 0, 4 and 7 for the body burden of Cu, histology and biochemical analysis [thiobarbituric acid reactive substances (TBARS) and total glutathione (GSH)]...
August 10, 2017: Aquatic Toxicology
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