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https://www.readbyqxmd.com/read/28425050/oxidative-protein-modification-alters-proteostasis-under-acute-hypobaric-hypoxia-in-skeletal-muscles-a-comprehensive-in-vivo-study
#1
Akanksha Agrawal, Richa Rathor, Geetha Suryakumar
While numerous maladies are associated with hypobaric hypoxia, muscle protein loss is an important under studied topic. Hence, the present study was designed to investigate the mechanism of muscle protein loss at HH. SD rats were divided into normoxic rats, while remaining rats were exposed to simulated hypoxia equivalent to 282-torr pressure (equal to an altitude of 7620 m, 8% oxygen), at 25 °C for 6, 12, and 24 h. Post-exposure rats were sacrificed and analysis was performed. Ergo, muscle loss-related changes were observed at 12 and 24 h post-HH exposure...
April 19, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28366086/post-hoc-ergo-propter-hoc
#2
E Jane Costello
No abstract text is available yet for this article.
April 1, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28338464/-doceo-ergo-sum-le-mentorat-des-chirurgiens
#3
Vivian McAlister
No abstract text is available yet for this article.
April 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28338463/doceo-ergo-sum-mentoring-surgeons
#4
Vivian McAlister
No abstract text is available yet for this article.
April 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28296182/endothelial-progenitors-a-consensus-statement-on-nomenclature
#5
EDITORIAL
Reinhold J Medina, Chad L Barber, Florence Sabatier, Francoise Dignat-George, Juan M Melero-Martin, Kiarash Khosrotehrani, Osamu Ohneda, Anna M Randi, Jerry K Y Chan, Teruhide Yamaguchi, Victor W M Van Hinsbergh, Mervin C Yoder, Alan W Stitt
Endothelial progenitor cell (EPC) nomenclature remains ambiguous and there is a general lack of concordance in the stem cell field with many distinct cell subtypes continually grouped under the term "EPC." It would be highly advantageous to agree standards to confirm an endothelial progenitor phenotype and this should include detailed immunophenotyping, potency assays, and clear separation from hematopoietic angiogenic cells which are not endothelial progenitors. In this review, we seek to discourage the indiscriminate use of "EPCs," and instead propose precise terminology based on defining cellular phenotype and function...
March 10, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28281760/modeling-closed-equilibrium-systems-of-h2o-dissolved-co2-solid-caco3
#6
Toomas Tenno, Kalev Uiga, Alexsey Mashirin, Ivar Zekker, Ergo Rikmann
In many places in the world, including North Estonia, the bedrock is limestone, which consists mainly of CaCO3. Equilibrium processes in water involving dissolved CO2 and solid CaCO3 play a vital role in many biological and technological systems. The solubility of CaCO3 in water is relatively low. Depending on the concentration of dissolved CO2, the solubility of CaCO3 changes, which determines several important ground- and wastewater parameters, for example, Ca(2+) concentration and pH. The distribution of ions and molecules in the closed system solid H2O-dissolved CO2-solid CaCO3 is described in terms of a structural scheme...
April 12, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28243561/colorimetric-gas-detection-by-the-varying-thickness-of-a-thin-film-of-ultrasmall-ptsa-coated-tio2-nanoparticles-on-a-si-substrate
#7
Urmas Joost, Andris Šutka, Meeri Visnapuu, Aile Tamm, Meeri Lembinen, Mikk Antsov, Kathriin Utt, Krisjanis Smits, Ergo Nõmmiste, Vambola Kisand
Colorimetric gas sensing is demonstrated by thin films based on ultrasmall TiO2 nanoparticles (NPs) on Si substrates. The NPs are bound into the film by p-toluenesulfonic acid (PTSA) and the film is made to absorb volatile organic compounds (VOCs). Since the color of the sensing element depends on the interference of reflected light from the surface of the film and from the film/silicon substrate interface, colorimetric detection is possible by the varying thickness of the NP-based film. Indeed, VOC absorption causes significant swelling of the film...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28239634/dataset-for-an-analysis-of-communicative-aspects-of-finance
#8
Natalya Zavyalova
The article describes a step-by-step strategy for designing a universal comprehensive vision of a vast majority of financial research topics. The strategy is focused around the analysis of the retrieval results of the word processing system Serelex which is based on the semantic similarity measure. While designing a research topic, scientists usually employ their individual background. They rely in most cases on their individual assumptions and hypotheses. The strategy, introduced in the article, highlights the method of identifying components of semantic maps which can lead to a better coverage of any scientific topic under analysis...
April 2017: Data in Brief
https://www.readbyqxmd.com/read/28112658/nitrite-inhibition-and-limitation-the-effect-of-nitrite-spiking-on-anammox-biofilm-suspended-and-granular-biomass
#9
Markus Raudkivi, Ivar Zekker, Ergo Rikmann, Priit Vabamäe, Kristel Kroon, Taavo Tenno
Anaerobic ammonium oxidation (anammox) has been studied extensively while no widely accepted optimum values for nitrite (both a substance and inhibitor) has been determined. In the current paper, nitrite spiking (abruptly increasing nitrite concentration in reactor over 20 mg NO(-)2-NL(-1)) effect on anammox process was studied on three systems: a moving bed biofilm reactor (MBBR), a sequencing batch reactor (SBR) and an upflow anaerobic sludge blanket (UASB). The inhibition thresholds and concentrations causing 50% of biomass activity decrease (IC50) were determined in batch tests...
January 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28062899/bibi-ergo-sum-the-effects-of-a-placebo-and-contextual-alcohol-cues-on-motivation-to-drink-alcohol
#10
Paul Christiansen, Gareth Townsend, Graeme Knibb, Matt Field
RATIONALE: Acute 'priming' doses of alcohol reliably increase alcohol-seeking behaviour in social drinkers. However, the effects of the anticipated (rather than pharmacological) effects of alcohol, and their interaction with contextual alcohol cues, are not well understood. OBJECTIVES: This study aims to determine the extent to which an alcohol-placebo drink increases craving, subjective intoxication and beer consumption, while conjointly investigating the impact of contextual alcohol cues...
March 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28061420/a-bioinspired-ionic-liquid-tagged-cobalt-salophen-complex-for-nonenzymatic-detection-of-glucose
#11
Michael Benjamin, Devaraj Manoj, Kathavarayan Thenmozhi, Pundlik Rambhau Bhagat, Duraisamy Saravanakumar, Sellappan Senthilkumar
The development of efficient and cost effective nonenzymatic biosensors with remarkable sensitivity, selectivity and stability for the detection of biomolecules, especially glucose is one of the major challenges in materials- and electrochemistry. Herein, we report the design and preparation of nonenzymatic biosensor based on an ionic liquid tagged cobalt-salophen metal complex (Co-salophen-IL) immobilized on electrochemically reduced graphene oxide (ERGO) for the detection of glucose via an electrochemical oxidation...
May 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28056439/fe3o4-nanoparticles-on-graphene-oxide-sheets-for-isolation-and-ultrasensitive-amperometric-detection-of-cancer-biomarker-proteins
#12
Mohamed Sharafeldin, Gregory W Bishop, Snehasis Bhakta, Abdelhamid El-Sawy, Steven L Suib, James F Rusling
Ultrasensitive mediator-free electrochemical detection for biomarker proteins was achieved at low cost using a novel composite of Fe3O4 nanoparticles loaded onto graphene oxide (GO) nano-sheets (Fe3O4@GO). This paramagnetic Fe3O4@GO composite (1µm size range) was decorated with antibodies against prostate specific antigen (PSA) and prostate specific membrane antigen (PSMA), and then used to first capture these biomarkers and then deliver them to an 8-sensor detection chamber of a microfluidic immunoarray. Screen-printed carbon sensors coated with electrochemically reduced graphene oxide (ERGO) and a second set of antibodies selectively capture the biomarker-laden Fe3O4@GO particles, which subsequently catalyze hydrogen peroxide reduction to detect PSA and PSMA...
May 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28047769/su-g-tep2-12-irochouston-and-mdapl-srs-anthropomorphic-phantom-results
#13
A Molineu, S Kry, P Alvarez, N Hernandez, T Nguyen, D Followill
PURPOSE: To report the results of SRS phantom irradiations METHODS: Anthropomorphic SRS head phantoms were sent to institutions participating in NCI sponsored SRS clinical trials and institutions interested in verifying SRS treatment delivery. The phantom shell was purchased from Phantom Laboratory and altered to house dosimetry and imaging inserts. The imaging insert has 1.9 cm diameter spherical target. The dosimetry insert holds two TLD capsules and radiochromic film in the coronal and sagittal planes through the center of the target...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046447/su-f-t-612-investigation-of-acoustic-neuroma-planning-for-stereotactic-radiosurgery-utilizing-linac-based-cone-collimators
#14
C Yeboah, M Ruschin, Y Lee, A Sarfehnia, B Chugh, S Myrehaug, M Tsao, H Soliman, A Sahgal
PURPOSE: To assess the feasibility of designing clinically-acceptable stereotactic radiosurgery (SRS) plans utilizing linac-based cone collimators for patients presenting with acoustic neuroma. METHODS: Five acoustic neuroma patients with gross tumour volumes (GTVs) of sizes from 1.3 to 2.7 cc were studied. The cranial-caudal extent of the GTVs range from 1.1 to 1.7 cm whereas the largest cross-sectional extent of the lesions varied from 2.0 to 2.4 cm. No PTV margin was added...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28030766/boosted-sensor-performance-by-surface-modification-of-bifunctional-rht-type-metal-organic-framework-with-nanosized-electrochemically-reduced-graphene-oxide
#15
Cong Li, Tingting Zhang, Jingyu Zhao, He Liu, Bo Zheng, Yue Gu, Xiaoyi Yan, Yaru Li, Nannan Lu, Zhiquan Zhang, Guodong Feng
The surface and interface could be designed to enhance properties of electrocatalysts, and they are regarded as the key characteristics. This report describes surface modification of a bifunctional rht-type metal-organic framework (MOF, Cu-TDPAT) with nanosized electrochemically reduced graphene oxide (n-ERGO). The hybrid strategy results in a Cu-TDPAT-n-ERGO sensor with sensitive and selective response toward hydrogen peroxide (H2O2). Compared with Cu-TDPAT, Cu-TDPAT-n-ERGO exhibits significantly enhanced electrocatalytic activities, highlighting the importance of n-ERGO in boosting their electrocatalytic activity...
January 10, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28024640/graphene-oxide-directed-in-situ-synthesis-of-prussian-blue-for-non-enzymatic-sensing-of-hydrogen-peroxide-released-from-macrophages
#16
Weiwei Qiu, Qionghua Zhu, Fei Gao, Feng Gao, Jiafu Huang, Yutian Pan, Qingxiang Wang
A novel electrochemical non-enzymatic hydrogen peroxide (H2O2) sensor has been developed based on Prussian blue (PB) and electrochemically reduced graphene oxide (ERGO). The GO was covalently modified on glassy carbon electrode (GCE), and utilized as a directing platform for in-situ synthesis of electroactive PB. Then the GO was electrochemically treated to reduction form to improve the effective surface area and electroactivity of the sensing interface. The fabrication process was characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX) and atomic force microscopy (AFM)...
March 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27967279/accuracy-of-jump-mat-systems-for-measuring-jump-height
#17
Basilio Pueo, Patrycja Lipinska, José M Jiménez-Olmedo, Piotr Zmijewski, Will G Hopkins
PURPOSE: Vertical-jump tests are commonly used to evaluate lower-limb power of athletes and non-athletes. Several types of equipment are available for this purpose. Here we compared the error of measurement of two jump-mat systems (Chronojump-Boscosystem and Globus Ergo Tester) with that of a motion-capture system as a criterion. Additionally we determined the modifying effect of foot length on jump height. METHODS: Thirty-one young adult males alternated four countermovement jumps with four squat jumps...
December 14, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27919189/a-review-on-interleukins-the-key-manipulators-in-rheumatoid-arthritis
#18
Jatin Sharma, Sutonuka Bhar, C Subathra Devi
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease associated with weakening of bones and joint pain. It primarily involves autoimmunity, matrix destruction, osteoclastogenesis, inflammation, and angiogenesis. Numerous cellular and humoral components of the immune system are involved in the etiology of diseases; however, the cardinal part is played by the inter-cellular signaling messengers called cytokines. Interleukins is a vaguely defined sub-class of cytokines that are abundantly found in the RA patients...
January 9, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/27910787/nonvolatile-taste-components-and-antioxidant-properties-of-fruiting-body-and-mycelium-with-high-ergothioneine-content-from-the-culinary-medicinal-golden-oyster-mushroom-pleurotus-citrinopileatus-agaricomycetes
#19
Shin-Yi Lin, Shih-Chang Chien, Sheng-Yang Wang, Jeng-Leun Mau
Pleurotus citrinopileatus mycelium was prepared with high ergothioneine (Hi-Ergo) content and its proximate composition, nonvolatile taste components, and antioxidant properties were studied. The ergothioneine contents of fruiting bodies and Hi-Ergo and regular mycelia were 3.89, 14.57, and 0.37 mg/g dry weight, respectively. Hi-Ergo mycelium contained more dietary fiber, soluble polysaccharides, and ash but less carbohydrates, reducing sugar, fiber, and fat than regular mycelium. However, Hi-Ergo mycelium contained the smallest amounts of total sugars and polyols (47...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27783507/parameterless-stopping-criteria-for-recursive-density-matrix-expansions
#20
Anastasia Kruchinina, Elias Rudberg, Emanuel H Rubensson
Parameterless stopping criteria for recursive polynomial expansions to construct the density matrix in electronic structure calculations are proposed. Based on convergence-order estimation the new stopping criteria automatically and accurately detect when the calculation is dominated by numerical errors and continued iteration does not improve the result. Difficulties in selecting a stopping tolerance and appropriately balancing it in relation to parameters controlling the numerical accuracy are avoided. Thus, our parameterless stopping criteria stand in contrast to the standard approach to stop as soon as some error measure goes below a user-defined parameter or tolerance...
December 13, 2016: Journal of Chemical Theory and Computation
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