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https://www.readbyqxmd.com/read/28064065/development-of-an-affinity-cryogel-for-one-step-purification-of-lysozyme-from-chicken-egg-white
#1
Paula Chequer Gouveia Mól, Lizzy Ayra Alcântara Veríssimo, Monique Renon Eller, Valéria Paula Rodrigues Minim, Luis Antonio Minim
In this study, a supermacroporous polyacrylamide cryogel was produced by cryo-polymerization and activated with Tris(hydroxymethyl)aminomethane (Tris-cryogel) to be applied as an affinity ligand for a one step purification of lysozyme (LYZ), directly from chicken egg white (EW). The Tris-cryogel presented interconnected pores with size varying in the range of 20-80μm and swelling capacity of 19.6±0.9g/g. The axial dispersion of the Tris-cryogel was analyzed at different flow velocities and mobile phase viscosities...
December 31, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28062646/generation-of-human-bispecific-common-light-chain-antibodies-by-combining-animal-immunization-and-yeast-display
#2
Simon Krah, Christian Schröter, Carla Eller, Laura Rhiel, Nicolas Rasche, Jan Beck, Carolin Sellmann, Ralf Günther, Lars Toleikis, Björn Hock, Harald Kolmar, Stefan Becker
Bispecific antibodies (bsAbs) pave the way for novel therapeutic modes of action along with potential benefits in several clinical applications. However, their generation remains challenging due to the necessity of correct pairings of two different heavy and light chains and related manufacturability issues. We describe a generic approach for the generation of fully human IgG-like bsAbs. For this, heavy chain repertoires from immunized transgenic rats were combined with either a randomly chosen common light chain or a light chain of an existing therapeutic antibody and screened for binders against tumor-related targets CEACAM5 and CEACAM6 by yeast surface display...
January 5, 2017: Protein Engineering, Design & Selection: PEDS
https://www.readbyqxmd.com/read/28043992/direct-oral-anticoagulants-and-heparins-laboratory-values-and-pitfalls-in-bridging-therapy
#3
Thomas Eller, Tobias Flieder, Vanessa Fox, Tatjana Gripp, Marcus Dittrich, Joachim Kuhn, Susanne Alban, Cornelius Knabbe, Ingvild Birschmann
OBJECTIVES: The three direct oral anticoagulants (DOACs) dabigatran, apixaban and rivaroxaban are now widely used in clinical practice. For patients requiring perioperative interruption of DOACs, heparin bridging is still under discussion. Here we show, for the first time, the influence of concomitantly used DOACs and heparins on laboratory assays. METHODS: For spiking experiments, 10 healthy donors and nine patients treated with DOACs were investigated. The measurement of DOACs and heparins was performed with routine methods on the ACL TOP [HEMOCLOT(®) direct thrombin inhibitor (CoaChrom Diagnostica, Austria), COAMATIC(®) Heparin (Chromogenix, USA) calibrated with rivaroxaban, apixaban, unfractionated heparin (UFH) and low molecular weight heparin (LMWH), additionally PT reagent RecombiPlasTin 2G and aPTT reagent SynthASil (Instrumentation Laboratory, Germany)] and the DOACs were additionally quantified with liquid chromatography-mass spectrometry...
January 2, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28017729/honey-and-honey-based-sugars-partially-affect-reproductive-trade-offs-in-parasitoids-exhibiting-different-life-history-and-reproductive-strategies
#4
Jeffrey A Harvey, Tijl A Essens, Rutger A Las, Cindy van Veen, Bertanne Visser, Jacintha Ellers, Robin Heinen, Rieta Gols
Adult dietary regimes in insects may affect egg production, fecundity and ultimately fitness. This is especially relevant in parasitoid wasps where many species serve as important biological control agents of agricultural pests. Here, we tested the effect of honey and sugar diets on daily fecundity schedules, lifetime reproductive success and longevity in four species of parasitoid wasps when reared on their respective hosts. The parasitoid species were selected based on dichotomies in host usage strategies and reproductive traits...
December 23, 2016: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28009216/constraints-on-ultrahigh-energy-cosmic-ray-sources-from-a-search-for-neutrinos-above-10%C3%A2-pev-with-icecube
#5
M G Aartsen, K Abraham, M Ackermann, J Adams, J A Aguilar, M Ahlers, M Ahrens, D Altmann, K Andeen, T Anderson, I Ansseau, G Anton, M Archinger, C Argüelles, J Auffenberg, S Axani, X Bai, S W Barwick, V Baum, R Bay, J J Beatty, J Becker Tjus, K-H Becker, S BenZvi, P Berghaus, D Berley, E Bernardini, A Bernhard, D Z Besson, G Binder, D Bindig, M Bissok, E Blaufuss, S Blot, C Bohm, M Börner, F Bos, D Bose, S Böser, O Botner, J Braun, L Brayeur, H-P Bretz, A Burgman, T Carver, M Casier, E Cheung, D Chirkin, A Christov, K Clark, L Classen, S Coenders, G H Collin, J M Conrad, D F Cowen, R Cross, M Day, J P A M de André, C De Clercq, E Del Pino Rosendo, H Dembinski, S De Ridder, P Desiati, K D de Vries, G de Wasseige, M de With, T DeYoung, J C Díaz-Vélez, V di Lorenzo, H Dujmovic, J P Dumm, M Dunkman, B Eberhardt, T Ehrhardt, B Eichmann, P Eller, S Euler, P A Evenson, S Fahey, A R Fazely, J Feintzeig, J Felde, K Filimonov, C Finley, S Flis, C-C Fösig, A Franckowiak, E Friedman, T Fuchs, T K Gaisser, J Gallagher, L Gerhardt, K Ghorbani, W Giang, L Gladstone, M Glagla, T Glüsenkamp, A Goldschmidt, G Golup, J G Gonzalez, D Grant, Z Griffith, C Haack, A Haj Ismail, A Hallgren, F Halzen, E Hansen, B Hansmann, T Hansmann, K Hanson, D Hebecker, D Heereman, K Helbing, R Hellauer, S Hickford, J Hignight, G C Hill, K D Hoffman, R Hoffmann, K Holzapfel, K Hoshina, F Huang, M Huber, K Hultqvist, S In, A Ishihara, E Jacobi, G S Japaridze, M Jeong, K Jero, B J P Jones, M Jurkovic, A Kappes, T Karg, A Karle, U Katz, M Kauer, A Keivani, J L Kelley, J Kemp, A Kheirandish, M Kim, T Kintscher, J Kiryluk, T Kittler, S R Klein, G Kohnen, R Koirala, H Kolanoski, R Konietz, L Köpke, C Kopper, S Kopper, D J Koskinen, M Kowalski, K Krings, M Kroll, G Krückl, C Krüger, J Kunnen, S Kunwar, N Kurahashi, T Kuwabara, M Labare, J L Lanfranchi, M J Larson, F Lauber, D Lennarz, M Lesiak-Bzdak, M Leuermann, J Leuner, L Lu, J Lünemann, J Madsen, G Maggi, K B M Mahn, S Mancina, M Mandelartz, R Maruyama, K Mase, R Maunu, F McNally, K Meagher, M Medici, M Meier, A Meli, T Menne, G Merino, T Meures, S Miarecki, L Mohrmann, T Montaruli, M Moulai, R Nahnhauer, U Naumann, G Neer, H Niederhausen, S C Nowicki, D R Nygren, A Obertacke Pollmann, A Olivas, A O'Murchadha, T Palczewski, H Pandya, D V Pankova, Ö Penek, J A Pepper, C Pérez de Los Heros, D Pieloth, E Pinat, P B Price, G T Przybylski, M Quinnan, C Raab, L Rädel, M Rameez, K Rawlins, R Reimann, B Relethford, M Relich, E Resconi, W Rhode, M Richman, B Riedel, S Robertson, M Rongen, C Rott, T Ruhe, D Ryckbosch, D Rysewyk, L Sabbatini, S E Sanchez Herrera, A Sandrock, J Sandroos, S Sarkar, K Satalecka, M Schimp, P Schlunder, T Schmidt, S Schoenen, S Schöneberg, L Schumacher, D Seckel, S Seunarine, D Soldin, M Song, G M Spiczak, C Spiering, M Stahlberg, T Stanev, A Stasik, A Steuer, T Stezelberger, R G Stokstad, A Stößl, R Ström, N L Strotjohann, G W Sullivan, M Sutherland, H Taavola, I Taboada, J Tatar, F Tenholt, S Ter-Antonyan, A Terliuk, G Tešić, S Tilav, P A Toale, M N Tobin, S Toscano, D Tosi, M Tselengidou, A Turcati, E Unger, M Usner, J Vandenbroucke, N van Eijndhoven, S Vanheule, M van Rossem, J van Santen, J Veenkamp, M Vehring, M Voge, M Vraeghe, C Walck, A Wallace, M Wallraff, N Wandkowsky, Ch Weaver, M J Weiss, C Wendt, S Westerhoff, B J Whelan, S Wickmann, K Wiebe, C H Wiebusch, L Wille, D R Williams, L Wills, M Wolf, T R Wood, E Woolsey, K Woschnagg, D L Xu, X W Xu, Y Xu, J P Yanez, G Yodh, S Yoshida, M Zoll
We report constraints on the sources of ultrahigh-energy cosmic rays (UHECRs) above 10^{9}  GeV, based on an analysis of seven years of IceCube data. This analysis efficiently selects very high- energy neutrino-induced events which have deposited energies from 5×10^{5}  GeV to above 10^{11}  GeV. Two neutrino-induced events with an estimated deposited energy of (2.6±0.3)×10^{6}  GeV, the highest neutrino energy observed so far, and (7.7±2.0)×10^{5}  GeV were detected. The atmospheric background-only hypothesis of detecting these events is rejected at 3...
December 9, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27974652/nighttime-stomatal-conductance-differs-with-nutrient-availability-in-two-temperate-floodplain-tree-species
#6
Franziska Eller, Kai Jensen, Christoph Reisdorff
Nighttime water flow varies between plant species and is a phenomenon for which the magnitude, purpose and consequences are widely discussed. A potential benefit of nighttime stomata opening may be increased nutrient availability during the night since transpiration affects the mass flow of soil water towards plant roots. We investigated how nitrogen (N) and phosphorus (P) fertilization, and short-term drought affected stomatal conductance of Fraxinus excelsior L. and Ulmus laevis Pallas during the day (gs) and night (gn), and how these factors affected growth for a period of 18 weeks...
December 14, 2016: Tree Physiology
https://www.readbyqxmd.com/read/27932619/ontogeny-of-cd4-t-lymphocytes-with-phenotypic-susceptibility-to-hiv-1-during-exclusive-and-non-exclusive-breastfeeding-in-hiv-1-exposed-ugandan-infants
#7
Elizabeth J McFarland, Tina M Powell, Carolyne Onyango-Makumbi, Weiming Zhang, Kelsey Melander, Prossy Naluyima, Samuel Okurut, Michael A Eller, Mary Glenn Fowler, Edward N Janoff
BACKGROUND: Among HIV-1-exposed infants, mixed breastfeeding is associated with higher postnatal HIV-1 transmission than exclusive breastfeeding, but the mechanisms of this differential risk are uncertain. METHODS: HIV-1-exposed, Ugandan infants were prospectively assessed over the first year of life for feeding practices and T cell maturation, intestinal homing (β7(hi)), activation, and HIV-1 co-receptor (CCR5) expression in peripheral blood. Infants receiving only breast milk and those with introduction of other foods prior to 6 months, categorized as exclusive and non-exclusive, respectively...
December 8, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27925104/epistemology-of-nursing-care-a-reflection-on-its-foundations
#8
Márcia Eller Miranda Salviano, Prince Daiane Felizardo Silva Nascimento, Mariane Andreza de Paula, Carolina Santiago Vieira, Susiane Sucasas Frison, Mariana Almeida Maia, Kleyde Ventura Souza, Eline Lima Borges
Objective: to reflect on nursing care and its epistemology from its historical, theoretical, philosophical, spiritual dimensions and as a social practice. Method: discussions originated in the discipline "Epistemology of caring", from the graduate nursing program of the School of Nursing, Federal University of Minas Gerais, and in critical analysis of nursing literature together with the professional practice of the authors. Results: we identified the necessity of developing a critical conscience on health care provision, research, and teaching, as well as on challenges in maintaining high standards of working interpersonal relationships, which has a profound impact on population health...
November 2016: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/27905321/tailoring-the-morphology-and-luminescence-of-gan-ingan-core-shell-nanowires-using-bottom-up-selective-area-epitaxy
#9
Mohsen Nami, Rhett F Eller, Serdal Okur, Ashwin K Rishinaramangalam, Sheng Liu, Igal Brener, Daniel F Feezell
Controlled bottom-up selective-area epitaxy (SAE) is used to tailor the morphology and photoluminescence properties of GaN/InGaN core-shell nanowire arrays. The nanowires are grown on c-plane sapphire substrates using pulsed-mode metal organic chemical vapor deposition. By varying the dielectric mask configuration and growth conditions, we achieve GaN nanowire cores with diameters ranging from 80 to 700 nm that exhibit various degrees of polar, semipolar, and nonpolar faceting. A single InGaN quantum well (QW) and GaN barrier shell is also grown on the GaN nanowire cores and micro-photoluminescence is obtained and analyzed for a variety of nanowire dimensions, array pitch spacings, and aperture diameters...
January 13, 2017: Nanotechnology
https://www.readbyqxmd.com/read/27871758/rapid-steroid-withdrawal-in-kidney-transplantation-living-in-harmony
#10
Kathrin Eller, Alexander R Rosenkranz
No abstract text is available yet for this article.
December 17, 2017: Lancet
https://www.readbyqxmd.com/read/27866993/micrornas-223-3p-and-93-5p-in-patients-with-chronic-kidney-disease-before-and-after-renal-transplantation
#11
M Ulbing, A H Kirsch, B Leber, S Lemesch, J Münzker, N Schweighofer, D Hofer, O Trummer, A R Rosenkranz, H Müller, K Eller, V Stadlbauer, B Obermayer-Pietsch
Chronic kidney disease (CKD) is associated with a multifactorial dysregulation of bone and vascular calcification and closely linked to increased cardiovascular mortality and concomitant bone disease. We aimed to investigate specific microRNA (miRNA) signatures in CKD patients to find indicators for vascular calcification and/or bone mineralization changes during CKD and after kidney transplantation (KT). A miRNA array was used to investigate serum miRNA profiles in CKD patients, then selected miRNAs were quantified in a validation cohort comprising 73 patients in CKD stages 3 to 5, 67 CKD patients after KT, and 36 healthy controls...
November 17, 2016: Bone
https://www.readbyqxmd.com/read/27847678/a-systematic-review-of-treatment-strategies-for-degenerative-lumbar-spine-fusion-surgery-in-patients-with-osteoporosis
#12
Charla R Fischer, Gregory Hanson, Melinda Eller, Ronald A Lehman
PURPOSE: To evaluate the current evidence in the literature on treatment strategies for degenerative lumbar spine fusion in patients with osteoporosis. METHODS: A systematic review of the literature from 1950 to 2015. RESULTS: The review of the literature yielded 15 studies on the effect of treatment options for osteoporosis on lumbar fusion rates. This study evaluated only degenerative lumbar spine conditions and excluded deformity patients...
December 2016: Geriatric Orthopaedic Surgery & Rehabilitation
https://www.readbyqxmd.com/read/27815945/a-transmission-virulence-evolutionary-trade-off-explains-attenuation-of-hiv-1-in-uganda
#13
François Blanquart, Mary Kate Grabowski, Joshua Herbeck, Fred Nalugoda, David Serwadda, Michael A Eller, Merlin L Robb, Ronald Gray, Godfrey Kigozi, Oliver Laeyendecker, Katrina A Lythgoe, Gertrude Nakigozi, Thomas C Quinn, Steven J Reynolds, Maria J Wawer, Christophe Fraser
Evolutionary theory hypothesizes that intermediate virulence maximizes pathogen fitness as a result of a trade-off between virulence and transmission, but empirical evidence remains scarce. We bridge this gap using data from a large and long-standing HIV-1 prospective cohort, in Uganda. We use an epidemiological-evolutionary model parameterised with this data to derive evolutionary predictions based on analysis and detailed individual-based simulations. We robustly predict stabilising selection towards a low level of virulence, and rapid attenuation of the virus...
November 5, 2016: ELife
https://www.readbyqxmd.com/read/27754915/journal-club-exacerbation-of-headache-during-dihydroergotamine-for-chronic-migraine-does-not-alter-outcome
#14
Yohannes W Woldeamanuel, Meabh O'Hare, Danielle D DeSouza, Robert P Cowan
Transient headache exacerbation during IV dihydroergotamine (DHE) therapy of migraine may prompt clinicians to prematurely discontinue DHE therapy, potentially depriving patients of the full benefit of DHE infusion. In a recent Neurology® article, Eller et al. evaluated whether or not worsening headache during DHE infusion was associated with suboptimal medium-term headache outcomes.
October 18, 2016: Neurology
https://www.readbyqxmd.com/read/27751889/synergistic-effect-of-daily-temperature-fluctuations-and-matching-light-dark-cycle-enhances-population-growth-and-synchronizes-oviposition-behavior-in-a-soil-arthropod
#15
Maartje Liefting, Jarno Cosijn, Jacintha Ellers
Some major aspects of insect life, like development time and reproduction, can benefit from fluctuating temperatures rather than a constant temperature regime. The benefit of fluctuating temperature has generally been attributed to the non-linear properties of the relationship of many life history traits with temperature. Daily temperature rise, however, usually coincide with the light phase of the photoperiodic cycle and there could be a benefit in linking daily temperature fluctuations with light and dark phases e...
January 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/27734126/independent-risk-factors-for-surgical-site-infection-after-cesarean-delivery-in-a-rural-tertiary-care-medical-center
#16
Manuel C Vallejo, Ahmed F Attaallah, Robert E Shapiro, Osama M Elzamzamy, Michael G Mueller, Warren S Eller
BACKGROUND: We aimed to determine the incidence of surgical site infection (SSI) after cesarean delivery (CD) and identify the risk factors in a rural population. METHODS: We identified 218 SSI patients by International Classification of Disease codes and matched them with 3131 parturients (control) from the electronic record database in a time-matched retrospective quality assurance analysis. RESULTS AND DISCUSSION: The incidence of SSI after CD was 7...
October 12, 2016: Journal of Anesthesia
https://www.readbyqxmd.com/read/27683895/specialized-regulatory-t-cells-for-optimal-suppression-of-t-cell-responses-in-gn
#17
EDITORIAL
Kathrin Eller, Alexander R Rosenkranz
No abstract text is available yet for this article.
January 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27671269/quantifying-microstructural-dynamics-and-electrochemical-activity-of-graphite-and-silicon-graphite-lithium-ion-battery-anodes
#18
Patrick Pietsch, Daniel Westhoff, Julian Feinauer, Jens Eller, Federica Marone, Marco Stampanoni, Volker Schmidt, Vanessa Wood
Despite numerous studies presenting advances in tomographic imaging and analysis of lithium ion batteries, graphite-based anodes have received little attention. Weak X-ray attenuation of graphite and, as a result, poor contrast between graphite and the other carbon-based components in an electrode pore space renders data analysis challenging. Here we demonstrate operando tomography of weakly attenuating electrodes during electrochemical (de)lithiation. We use propagation-based phase contrast tomography to facilitate the differentiation between weakly attenuating materials and apply digital volume correlation to capture the dynamics of the electrodes during operation...
2016: Nature Communications
https://www.readbyqxmd.com/read/27599596/pneumatic-retinopexy-for-rhegmatogenous-retinal-detachment-in-pseudophakia
#19
Jennifer Ling, Jila Noori, Farhad Safi, Andrew W Eller
PURPOSE: To identify the characteristics predictive of unfavorable outcomes for pneumatic retinopexy (PR) in the repair of pseudophakic rhegmatogenous retinal detachments (RD). METHODS: A retrospective chart review was performed at a single institution to identify patients who underwent PR in pseudophakic eyes. Pre- and postoperative data were reviewed and analyzed to evaluate predictive factors of failure. RESULTS: Forty-four patients met the study criteria...
September 6, 2016: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/27593171/characterization-and-validation-of-the-lt-sys-copper-assay-on-a-roche-cobas-8000-c502-analyzer
#20
F Bernhard Kraus, Marlies Mischereit, Christoph Eller, Beatrice Ludwig-Kraus
OBJECTIVE: Validation of the LT-SYS quantitative in vitro copper assay on a Roche Cobas 8000 c502 analyzer and comparison with a BIOMED assay on a Roche Cobas Mira analyzer. METHODS: Imprecision and bias were quantified at different concentration levels (serum and plasma) over a 20-day period. Linearity was assessed covering a range from 4.08 µmol/L to 33.8 µmol/L. Limit of blank (LoB) and limit of detection (LoD) were established based on a total of 120 blank and low-level samples...
September 4, 2016: Laboratory Medicine
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