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https://www.readbyqxmd.com/read/28749272/ketamine-medetomidine-and-ketamine-medetomidine-midazolam-anesthesia-in-captive-cheetahs-acinonyx-jubatus-comparison-of-blood-pressure-and-kidney-blood-flow
#1
Julia Stagegaard, Arne Hørlyck, Helle B Hydeskov, Mads F Bertelsen
Six clinically healthy captive cheetahs ( Acinonyx jubatus ) were anesthetized twice using two different drug combinations to investigate if blood pressure and kidney blood flow are affected by medetomidine dosage. Protocol KM (2.0 mg/kg ketamine and 0.05 mg/kg medetomidine) was compared with protocol KMM (2.0 mg/kg ketamine, 0.02 mg/kg medetomidine, and 0.1 mg/kg midazolam). Heart rate (HR), respiratory rate (RR), body temperature, end-tidal carbon dioxide pressure (ETCO2), and anesthetic depth were monitored every 10 min...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28748384/the-more-vivid-the-imagination-the-better-the-role-of-the-vividness-of-imagination-in-vasoconstriction-training-and-vasodilatation-training
#2
Julia E Graef, Winfried Rief, Yvonne Nestoriuc, Cornelia Weise
Blood volume pulse biofeedback represents an effective non-pharmacological treatment for migraine. However, the underlying mechanisms of blood volume pulse biofeedback are still unclear. This study investigated the influence of vividness of imagination, private body consciousness, perfectionism, and general self-efficacy on physiological (blood volume pulse amplitude) and psychological (session performance rated by participants and by trainers) success. Changes in skin conductance and skin temperature indicating habituation to training context were examined...
July 26, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28748371/acute-effects-of-heated-resistance-exercise-in-female-and-male-power-athletes
#3
Julia R Casadio, Adam G Storey, Fabrice Merien, Andrew E Kilding, James D Cotter, Paul B Laursen
PURPOSE: To determine the effects of heated resistance exercise on thermal strain, neuromuscular function and hormonal responses in power athletes. METHODS: Sixteen (n = 8 female; 8 male) highly trained power athletes completed a combined strength and power resistance exercise session in hot (HOT ~30 °C) and temperate (CON ~20 °C) conditions. Human growth hormone (hGH), cortisol and testosterone concentrations in plasma, peak power (counter-movement jump, CMJ) and peak force (isometric mid-thigh pull) were measured before and after each training session; thermoregulatory responses were monitored during training...
July 26, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28747980/comparative-analysis-of-basal-locomotor-activity-related-metabolic-phenotypes-between-c57bl-6-mice-and-icr-mice-substrains-derived-from-three-different-sources
#4
Dong-Ju Hwang, Hyun-Keun Song, Kil-Soo Kim, Young-Suk Jung, Dae-Youn Hwang, Joon Young Cho
Animal model, as an indispensable tool for scientific purposes of biomedical researches and clinical application, is a commonly used in various researches. Regarding to this, it is necessary to establish the metabolic phenotype of animal model to minimize spurious interpretations and ensure a level of accuracy and reliability adequate for experimental research. However, the metabolic phenotype-related analysis within rodent strains derived from different source is nonexistent, especially in C57BL/6Korl mice and Korl:ICR mice (a domestic mouse strain)...
June 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28747541/obesity-a-serious-etiologic-factor-for-male-subfertility-in-modern-society
#5
Yue Liu, Zhide Ding
Obesity, defined as excessive accumulation of fat in adipose tissue, is a metabolic disorder resulting from behavioral, environmental and heritable causes. Such malfunction increases the risk of developing hypertension, diabetes, cardiovascular disease, respiratory problems, osteoarthritis and cancer. Meanwhile, the negative impact of obesity on male reproduction is gradually being recognized. According to clinical investigations and animal experiments, obesity is correlated with reductions in sperm concentration and motility, increases in sperm DNA damage and changes in reproductive hormonal levels...
July 26, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28747081/fabrication-characterization-and-in%C3%A2-vitro-study-of-zinc-substituted-hydroxyapatite-silk-fibroin-composite-coatings-on-titanium-for-biomedical-applications
#6
Zhenyu Zhong, Jun Ma
Zinc substituted hydroxyapatite/silk fibroin composite coatings were deposited on titanium substrates at room temperature by electrophoretic deposition. Microscopic characterization of the synthesized composite nanoparticles revealed that the particle size ranged 50-200 nm, which increased a little after zinc substitution. The obtained coatings maintained the phase of hydroxyapatite and they could induce fast apatite formation in simulated body fluid, indicating high bone activity. The cell culturing results showed that the biomimetic hydroxyapatite coatings could regulate adhesion, spreading, and proliferation of osteoblastic cells...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28743919/highly-flexible-and-efficient-fabric-based-organic-light-emitting-devices-for-clothing-shaped-wearable-displays
#7
Seungyeop Choi, Seonil Kwon, Hyuncheol Kim, Woohyun Kim, Jung Hyun Kwon, Myung Sub Lim, Ho Seung Lee, Kyung Cheol Choi
Recently, the role of clothing has evolved from merely body protection, maintaining the body temperature, and fashion, to advanced functions such as various types of information delivery, communication, and even augmented reality. With a wireless internet connection, the integration of circuits and sensors, and a portable power supply, clothes become a novel electronic device. Currently, the information display is the most intuitive interface using visualized communication methods and the simultaneous concurrent processing of inputs and outputs between a wearer and functional clothes...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28743814/stringent-expression-control-of-pathogenic-r-body-production-in-legume-symbiont-azorhizobium-caulinodans
#8
Jun-Ichi Matsuoka, Fumiko Ishizuna, Keigo Kurumisawa, Kengo Morohashi, Tetsuhiro Ogawa, Makoto Hidaka, Katsuharu Saito, Tatsuhiro Ezawa, Toshihiro Aono
R bodies are insoluble large polymers consisting of small proteins encoded by reb genes and are coiled into cylindrical structures in bacterial cells. They were first discovered in Caedibacter species, which are obligate endosymbionts of paramecia. Caedibacter confers a killer trait on the host paramecia. R-body-producing symbionts are released from their host paramecia and kill symbiont-free paramecia after ingestion. The roles of R bodies have not been explained in bacteria other than CaedibacterAzorhizobium caulinodans ORS571, a microsymbiont of the legume Sesbania rostrata, carries a reb operon containing four reb genes that are regulated by the repressor PraR...
July 25, 2017: MBio
https://www.readbyqxmd.com/read/28743624/russian-sturgeon-cultured-in-a-subtropical-climate-shows-weaken-innate-defences-and-a-chronic-stress-response
#9
Mauricio Castellano, Valeria Silva-Álvarez, Elena Fernández-López, Verónica Mauris, Daniel Conijeski, Andrea Villarino, Ana M Ferreira
Russian sturgeon (Acipenser gueldenstaedtii) has been successfully farmed in Uruguay for the past ten years. However, during the Uruguayan summer fish endure high water temperatures and increased bacterial infections that threaten aquaculture. Our understanding of sturgeon's immune system and its interplay with environmental factors like temperature is almost unknown. This study analysed the way in which seasonal variations affect enzymatic blood components of Russian sturgeon's innate defences, including the serum alternative complement pathway (ACP), ceruloplasmin (Cp) and lysozyme activities...
July 22, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28743152/-prevention-of-perioperative-hypothermia-guidelines-for-daily-clinical-practice
#10
Timo Iden, Jan Höcker
Inadvertent perioperative hypothermia (body core temperature < 36 °C) is a serious complication leading to increased rates of wound infection, higher blood loss associated with increased transfusion requirements as well as patient dissatisfaction among others. Body core temperature is a vital parameter and needs constant monitoring just like heart rate, blood pressure and arterial oxygen saturation. Patient-, anesthesia-, surgery- and environment-related risk factors were identified for occurring perioperative hypothermia...
July 2017: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/28743079/impact-of-lyophilized-lactobacillus-salivarius-dspv-001p-administration-on-growth-performance-microbial-translocation-and-gastrointestinal-microbiota-of-broilers-reared-under-low-ambient-temperature
#11
J E Blajman, C A Olivero, M L Fusari, J A Zimmermann, E Rossler, A P Berisvil, A Romero Scharpen, D M Astesana, L P Soto, M L Signorini, M V Zbrun, L S Frizzo
This study was undertaken with the aim of investigating the effects of dietary supplementation of probiotic strain Lactobacillus salivarius DSPV 001P on growth performance, microbial translocation, and gastrointestinal microbiota of broilers reared under low ambient temperature. Two hundred and forty, one-day-old male Cobb broilers were randomly distributed into two treatment groups, a probiotic group and a control group, with four replicates per treatment and 30 broilers per replicate. The temperature of the broiler house was maintained at 18-22°C during the first three weeks, after which the temperature was at range of 8°C to 12°C...
July 19, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28742771/perioperative-amino-acid-infusion-for-preventing-hypothermia-and-improving-clinical-outcomes-during-surgery-under-general-anesthesia-a-systematic-review-and-meta-analysis
#12
Yoshitaka Aoki, Yukie Aoshima, Kazuyuki Atsumi, Ryo Kaminaka, Rintaro Nakau, Kyoko Yanagita, Makiko Kora, Shunsuke Fujii, Junichiro Yokoyama
Amino acid (AA) infusion is sometimes selected to avoid hypothermia during general anesthesia. However, the widespread clinical use of AA infusion therapy has not been established. This study aimed to clarify the evidence that AA infusion can increase patient body temperature and improve clinical outcomes using the Grading of Recommendations Assessment, Development, and Evaluation system. We searched MEDLINE (PubMed), Cochrane Central Register of Controlled Trials, and Igaku Chuo Zasshi (Japana Centra Revuo Medicina) in November 2015...
July 24, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28742401/chikungunya-virus-seroprevalence-and-associated-factors-among-hospital-attendees-in-two-states-of-southwest-nigeria-a-preliminary-assessment
#13
Olayinka M Olajiga, Olajumoke E Adesoye, Adewale P Emilolorun, Abiodun J Adeyemi, Emmanuel O Adeyefa, Ismail A Aderibigbe, Salmot A Adejumo, Wasiu O Adebimpe, Oluyinka O Opaleye, Waidi F Sule, Daniel O Oluwayelu
Chikungunya virus (CHIKV) is a re-emerging pathogen causing long-term polyarthritis and encephalitis. In conducting a preliminary investigation, we hypothesized that there is no serologic evidence of CHIKV infection among attendees of selected hospitals in Lagos and Osun States, Nigeria. Sera from 304 consecutively selected participants were screened for CHIKV IgG and IgM using ELISA. Findings were analyzed vis-à-vis participants' demographic and clinical data. Over 90.0% of the participants had never heard of CHIKV despite the fact that a large proportion of them (88...
July 25, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28742367/long-lived-direct-and-indirect-interlayer-excitons-in-van-der-waals-heterostructures
#14
Bastian Miller, Alexander Steinhoff, Borja Pano, Julian Klein, Frank Jahnke, Alexander Holleitner, Ursula Wurstbauer
We report the observation of a doublet structure in the low-temperature photoluminescence of interlayer excitons in heterostructures consisting of monolayer MoSe2 and WSe2. Both peaks exhibit long photoluminescence lifetimes of several ten nanoseconds up to 100 ns verifying the interlayer nature of the excitons. The energy and linewidth of both peaks show unusual temperature and power dependences. While the low-energy peak dominates the spectra at low power and low temperatures, the high-energy peak dominates for high power and temperature...
July 25, 2017: Nano Letters
https://www.readbyqxmd.com/read/28742056/monte-carlo-simulations-of-skin-exposure-to-electromagnetic-field-from-10-ghz-to-1-thz
#15
Kensuke Sasaki, Maya Mizuno, Kanako Wake, Soichi Watanabe
In this study, we present an assessment of human-body exposure to an electromagnetic eld at frequencies ranging from 10 GHz to 1 THz. The energy absorption and temperature elevation were assessed by solving boundary value problems of the one-dimensional Maxwell equations and a bioheat equation for a multilayer plane model. Dielectric properties were measured in vitro at frequencies of up to 1 THz at body temperature. A Monte Carlo simulation was conducted to assess variations of the transmittance into a skin surface and temperature elevation inside a body by considering the variation of the tissue thickness due to individual differences among human bodies...
July 25, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28741744/thermal-suit-in-preventing-unintentional-intraoperative-hypothermia-during-general-anaesthesia-a-randomized-controlled-trial
#16
S-L Lauronen, M-L Kalliomäki, A J Aho, J Kalliovalkama, J M Riikonen, M-T Mäkinen, H M Leppikangas, A M Yli-Hankala
BACKGROUND: Unintentional perioperative hypothermia causes serious adverse effects to surgical patients. Thermal suit (T-Balance(®) ) is an option for passive warming perioperatively. We hypothesized that the thermal suit will not maintain normothermia more efficiently than conventional cotton clothes when also other preventive procedures against unintentional hypothermia are used. METHODS: One hundred patients were recruited to this prospective, randomized trial...
July 25, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28741242/the-weakening-effect-of-soluble-epoxide-hydrolase-inhibitor-auda-on-febrile-response-to-lipopolysaccharide-and-turpentine-in-rat
#17
Jakub Piotrowski, Tomasz Jędrzejewski, Małgorzata Pawlikowska, Agata Joanna Pacuła, Jacek Ścianowski, Wiesław Kozak
A still growing body of evidence suggests the importance of epoxyeicosatrienoic acids (EETs) in the regulation of inflammatory response; therefore, drugs that stabilize their levels by targeting the soluble epoxide hydrolase (sEH), an enzyme responsible for their metabolism, are currently under investigation. The effect of sEH inhibitors on molecular components of fever mechanism, i.e., on synthesis of pro-inflammatory cytokines or prostaglandins, has been repeatedly proven; however, the hypothesis that sEH inhibitors affect febrile response has never been tested...
July 24, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28740862/giant-convecting-mud-balls-of-the-early-solar-system
#18
Philip A Bland, Bryan J Travis
Carbonaceous asteroids may have been the precursors to the terrestrial planets, yet despite their importance, numerous attempts to model their early solar system geological history have not converged on a solution. The assumption has been that hydrothermal alteration was occurring in rocky asteroids with material properties similar to meteorites. However, these bodies would have accreted as a high-porosity aggregate of igneous clasts (chondrules) and fine-grained primordial dust, with ice filling much of the pore space...
July 2017: Science Advances
https://www.readbyqxmd.com/read/28740572/effect-of-whole-body-cryotherapy-on-antioxidant-systems-in-experimental-rat-model
#19
Bronisława Skrzep-Poloczek, Ewa Romuk, Bernadeta Wiśnowiska, Aleksander J Owczarek, Piotr Choręza, Aleksander Sieroń, Ewa Birkner, Dominika Stygar
BACKGROUND: The purpose of this study was to verify the effect of whole-body cryotherapy (WBC) in rats on their antioxidant systems, lipid peroxidation products, and their total oxidative status at different exposure times and temperatures. METHODS: Antioxidants in serum, plasma, liver, and erythrocytes were evaluated in two study groups following 1 min of exposure to -60°C and -90°C, for 5 and 10 consecutive days. RESULTS: WBC increased the activity of superoxide dismutase, catalase in the group subjected to 5 and 10 days exposure, -60°C...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28740208/temporal-dynamics-of-whole-body-residues-of-the-neonicotinoid-insecticide-imidacloprid-in-live-or-dead-honeybees
#20
Matthias Schott, Gabriela Bischoff, Gerrit Eichner, Andreas Vilcinskas, Ralph Büchler, Marina Doris Meixner, Annely Brandt
In cases of acute intoxication, honeybees often lay in front of their hives for several days, exposed to sunlight and weather, before a beekeeper can take a sample. Beekeepers send samples to analytical laboratories, but sometimes no residues can be detected. Temperature and sun light could influence the decrease of pesticides in bee samples and thereby residues left for analysis. Moreover, samples are usually sent via normal postal services without cooling. We investigated the temporal dynamics of whole-body residues of imidacloprid in live or dead honeybees following a single-meal dietary exposure of 41 ng/bee under various environmental conditions, such as freezing, exposure to UV light or transfer of individuals through the mail system...
July 24, 2017: Scientific Reports
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