gebhart/patrepeval huggingface dataset:
An Introduction to Graph Theory (2013)

When most people hear the word “graph,” they think of an image with information plotted on an x and y axis. In mathematics and computer science, however, a graph is something quite different. A graph is a theoretical construct composed of points (called vertices) connected by lines (called edges). The concept is very simple, but graphs can have many interesting and important properties.
Reinfection of Tall Fescue Cultivars with Non-Ergot Alkaloid–Producing Endophytes (2002)

For tall fescue (Festuca arundinacea Schreb.) in the southeastern USA, persistence and yield are directly related to infection with a fungal endophyte [Neotyphodium coenophialum (Morgan-Jones & Gams.) Glenn, Bacon, & Hanlin comb. nov.]. However, most endophyte-infected (E+) tall fescue cultivars produce toxic ergot alkaloids resulting in poor weight gain and reproduction in grazing livestock. The objective of this paper was to assess the strategy of reinfecting ‘Jesup’ and ‘Georgia 5’ tall fescue with non-ergot alkaloid–producing endophyte strains. Different cultivar–strain combinations were tested against the E+ and endophyte-free (E−) versions of the same cultivars for stand survival and dry matter yield; in separate experiments, they were assessed for toxicity in lambs (Ovis aries). Most cultivar–strain combinations produced no ergot alkaloids but varied in ability to transmit through seed. The best combination, Jesup (AR542), possessed yield and stand survival better (P < 0.05) than the E− checks and equivalent (P < 0.05) to the E+ checks. Lambs gained an average of 124 g/d on both cultivars containing AR542, which was equivalent to gains on E− forage but approximately 57% greater than gains on E+ forage. Animals consuming forage from E− or non-ergot-producing strains did not exhibit depressed serum prolactin or elevated body temperatures of animals on E+ forage. The strategy of reinfecting tall fescue cultivars with naturally occurring, non-ergot-producing endophytes appears promising for removing toxicity symptoms and retaining agronomic performance, but intense screening is needed to identify the best cultivar–strain combinations.
A Theoretical Foundation of Network Navigation (2011)

Real-time navigation capability is a key enabler for many emerging applications in wireless networks. Localization of moving nodes via network navigation gives rise to a new paradigm, where nodes exploit both temporal and spatial cooperation to determine their positions based on intra- and inter-node measurements. In this paper, we establish a theoretical foundation for network navigation to determine the fundamental limits of navigation accuracy. In particular, we derive the accuracy limits in terms of navigation information by equivalent Fisher information analysis. Our framework unifies the navigation information obtained from temporal and spatial cooperation, leading to a deep understanding of information exchange in the network and benefit of cooperation.
245 Tuning Method and Auto Tuning System for Controller Gains of Industrial Robots (2001)

This paper presents our Auto Tuning System which is to tune up the control gains to optimal values for industrial robots. A perfomance index is well defined so that it can represent the dynamical features of real robots aptly. The system is not only practically useful by itself, but also sophisticated when considering the analytically optimal pole assignment of a controlled system. Once a factory worker sets it going, Auto Tuning System tunes the control gains over the all required configurations and joints of a robot arm. While its operating, workers are completely free of observation.
Neuronal differentiation in human neuroblastoma cells by nerve growth factor following TrkA up-regulation by interferon-? (2000)

IFN-gamma could induce the functional NGF receptor even in the aggressive phenotype of NB.
High Temperature Oxidation of Thin FeCrAl Strips (1997)

Cette etude concerne le comportement a l'oxydation de feuillards minces de FeCrAl entre 850 et 1100°C. Les cinetiques d'oxydation ont ete enregistrees sur thermobalance et dans une enceinte industrielle. Des observations des couches d'oxyde ont ete effectuees en MET. Nous avons correle morphologies des oxydes et cinetiques: cinetique lente et alumine α en grains colonnaires a partir de 950°C, cinetique plus rapide et alumine de transition (-γ-) sous forme de lamelles a 850°C et 900°C, suivie par l'apparition de petits grains d'alumine-α sous les lamelles. Les cinetiques d'oxydation obtenues dans l'enceinte industrielle presentent beaucoup de dispersion et sont generalement superieures a celles obtenues en thermogravimetrie. L'effet de facteurs extrinseques tels que la forme et la taille des eprouvettes, l'atmosphere, les conditions d'ecoulement de l'air, sur la formation initiale d'alumines de transition expliquent ces differences. L'identification des constantes de vitesse paraboliques a partir des courbes d'ATG est delicate, voire impossible, ce qui contribuerait a expliquer la relative dispersion des resultats observes.
Développement d'un noyau d'exécutif SynDEx pour DSP TI C6x appliqué aux architectures multiprocesseurs temps-réel et embarquées (2002)

National audience
Characterization and use of polyclonal antibody to Na<sup>+</sup>, K<sup>+</sup>‐ATPase: Immunocytochemical localization in salt glands of the duck (1987)

Abstract The amount of Na + , K + ‐ATPase of the avian salt gland increased concomitantly with plasma membrane surface area during salt feeding of ducklings (adaptation), and both enzyme content and membrane surface area decreased upon return to fresh water (deadaptation). In a further study of the enzyme, a marker for plasma membrane biogenesis, polyvalent antibodies were raised to the denatured α‐subunit of the purified ATPase. Antisera did not inhibit enzymatic activity but immunoprecipitated the phosphorylated intermediate of the α‐subunit. Furthermore, the α‐subunit, which was not glycosylated, was immunoprecipitated from homogenates of tissue slices metabolically labelled with [ 35 S]‐methionine, using antisera raised against either duck salt gland or dog kidney α‐subunit. The former antisera also recognized the α‐subunit in the brain, heart, kidney, liver, intestine and skeletal muscle of the duck. Immunocytochemistry with the antisera raised to the duck salt gland α‐subunit revealed reaction at basolateral as well as apical plasma membrane in the duck salt gland principal cells, with essentially no deposits no deposits on peripheral cells, fibroblasts, erythrocytes, endothelial cells and neural elements. Within the principal cells, immunolabelling was also detected on small vesicles, multivesicular bodies and lysosomes; deposits on extracellular debris and vesicles in the lateral and lumenal spaces were also apparent. The labelling patterns were qualitatively but not quantitatively similar in salt glands of control, adapted and deadapted ducklings, and are discussed in the context of a model for plasma membrane biogenesis and turnover in which degradative events may play a major role.
Variations in signal intensity with periodical temperature changes in vivo in rat brain: analysis using wide-field optical coherence tomography (2012)

In a previous study, we reported measurements of three-dimensional (3D) optical coherence tomography (OCT) images through a thinned skull by reducing temperatures from 28 °C to 18 °C in vivo in the rat brain to show negative correlation coefficients (CCs) between ratios of signal intensity (RSI) and temperature for applications to monitoring brain viability. In this study, using the same OCT system, we measured 3D OCT images of the rat brain by periodically changing tissue temperatures from 20 °C to 32 °C in vivo. In the evaluation of CCs among RSI, temperature, and heart rate, the largest number of periods was four, and the longest measurement time was 570 min. Averaged CCs between RSI and temperature, and between RSI and heart rate, were -0.42 to -0.50 and -0.48 to -0.64, respectively. RSI reversibly changed subsequent variations of temperatures and finally increased rapidly just before cardiac arrest. These results indicate that RSI could correspond to decreases in viability because of local ischemia and recovery.
II Fe(CO)4 (1978)

The first page of this article is displayed as the abstract.
Pharmacokinetics of labetalol in healthy volunteers. (1981)

The pharmacokinetics of labetalol, a combined alpha- and beta-receptor blocking agent, were studied in eight healthy volunteers. After intravenous injections (n = 4) of 1.5 mg/kg, the drug was rapidly distributed (mean T 1/2 = 4.9 min) and quite rapidly eliminated (mean T 1/2 = 4.9 hrs). The mean total plasma clearance value was 24.80 ml/min/kg. The values for Vdc (mean 1.1 l/kg) and Vdss (mean 9.41 l/kg) indicate extensive extravascular distribution of labetalol. The systemic availability was about 18%. There was a significant correlation between the calculated drug concentrations in the hypothetical compartment 2 and the percentage decreases in blood pressure after the intravenous injection. After a single 200 mg oral dose (solution, non-coated and coated tablets), the tablet formulation had no significant effect on the gastrointestinal absorption. After repeated oral doses of 200 mg twice daily (n = 4), no accumulation in plasma was observed.
Nearly Optimum Prefiltering in Clock Recovery (1986)

Previous authors have found that jitter-free operation is achievable with appropriate pulse shaping when the nonlinearity in the timing recovery circuit is a square-law rectifier. In this paper we consider the general case of an arbitrary nonlinearity and we show that a class of pulses can still be found which provide very good jitter performance. Comparisons are made with previous results.
Controlled dimerization of insulin-like growth factor-1 and insulin receptors reveals shared and distinct activities of holo and hybrid receptors (2018)

Breast cancer development and progression are influenced by insulin-like growth factor receptor 1 (IGF1R) and insulin receptor (InsR) signaling, which drive cancer phenotypes such as cell growth, proliferation, and migration. IGF1R and InsR form IGF1R/InsR hybrid receptors (HybRs) consisting of one molecule of IGF1R and one molecule of InsR. The specific signaling and functions of HybR are largely unknown, as HybR is activated by both IGF1 and insulin, and no cellular system expresses HybR in the absence of holo-IGF1R or holo-InsR. Here we studied the role of HybR by constructing inducible chimeric receptors and compared HybR signaling with that of holo-IGF1R and holo-InsR. We cloned chemically inducible chimeric IGF1R and InsR constructs consisting of the extracellular domains of the p75 nerve growth factor receptor fused to the intracellular β subunit of IGF1R or InsR and a dimerization domain. Dimerization with the drugs AP20187 or AP21967 allowed specific and independent activation of holo-IGF1R, holo-InsR, or HybR, resulting in activation of the PI3K pathway. Holo-IGF1R and HybR both promoted cell proliferation and glucose uptake, whereas holo-InsR only promoted glucose uptake, and only holo-IGF1R showed anti-apoptotic effects. We also found that the three receptors differentially regulated gene expression: holo-IGF1R and HybR up-regulated EGR3; holo-InsR specifically down-regulated JUN and BCL2L1; holo-InsR down-regulated but HybR up-regulated HK2; and HybR specifically up-regulated FHL2, ITGA6, and PCK2. Our findings suggest that, when expressed and activated in mammary epithelial cells, HybR acts in a manner similar to IGF1R and support further investigation of the role of HybR in breast cancer.
Asymmetry in <i>trans</i>-bilayer lateral pressure may drive expansion of the secretion fusion pore (1993)

Conference Article| May 01 1993 Asymmetry in trans-bilayer lateral pressure may drive expansion of the secretion fusion pore Alexei Bogdanov; Alexei Bogdanov § *Department of Biology, Amherst College, Amherst, MA 01002 U.S.A. Search for other works by this author on: This Site PubMed Google Scholar Bret Verhoven; Bret Verhoven *Department of Biology, Amherst College, Amherst, MA 01002 U.S.A. Search for other works by this author on: This Site PubMed Google Scholar Robert A. Schlegel; Robert A. Schlegel ‡ †Department of Molecular and Cell Biology, The Pennsylvania State University, University Park, PA 16802, U.S.A. ‡To whom correspondence should be addressed Search for other works by this author on: This Site PubMed Google Scholar Patrick Williamson Patrick Williamson *Department of Biology, Amherst College, Amherst, MA 01002 U.S.A. Search for other works by this author on: This Site PubMed Google Scholar Biochem Soc Trans (1993) 21 (2): 271–275. https://doi.org/10.1042/bst0210271 Article history Received: November 26 1992 Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Facebook Twitter LinkedIn MailTo Cite Icon Cite Get Permissions Citation Alexei Bogdanov, Bret Verhoven, Robert A. Schlegel, Patrick Williamson; Asymmetry in trans-bilayer lateral pressure may drive expansion of the secretion fusion pore. Biochem Soc Trans 1 May 1993; 21 (2): 271–275. doi: https://doi.org/10.1042/bst0210271 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll JournalsBiochemical Society Transactions Search Advanced Search Keywords: BSA, bovine serum albumin, HBSS, Hanks-buffered saline solution, NBD, 1-palmitoyl-2-aminocaproyl-(7-nitro-3,1,2-benzoxadiazol-4-yl), PC, phosphatidylcholine, PDA, pyridyldithioethylamine, PS, phosphatidylserine, PSS, 145 raM NaCl, 5.6 mM KCl, 2.2 mM CaCl2, 0.5 mM MgCl2, 5.6 mM glucose, 15 mM Hepes, 0.5 mM sodium ascorbate, 1 mg/ml BSA, pH 7.4 This content is only available as a PDF. © 1993 Biochemical Society1993 Article PDF first page preview Close Modal You do not currently have access to this content.
Carbohydrate metabolism in nervous diseases amenable to treatment with vitamin B1. Preliminary communication. (1938)

Ohne vorlaufig weitgehende Schlusse ziehen zu wollen, stellen wir fest, das in unseren zur Gruppe der durch B1-Vitamin heilbaren Krankheiten gehorigen 10 Fallen dieBlutzuckerkurve nach Darreichung von 50 g Dextroselosung 9malausgesprochen flach verlief; die Nuchternwerte des Blutzuckers wichen von der Norm nicht ab. Sollte sich diese Storung des Kohlehydratstoffwechsels an der Hand von Untersuchungen an einem groseren Krankenmaterial als konstant erweisen, so liesen sich diese Krankheiten verschiedener Atiologie auf Grund des gestorten Kohlehydratstoffwechsels in eine einheitliche Gruppe einordnen. In 5 Fallen zeigte die Blutzuckerkurve auch nach 15 tagiger, vorteilhaft einwirkender B1-Vitaminbehandlung einen flachen Verlauf. Trotzdem ist es sehr wahrscheinlich, das das Vitamin B1 seine gunstige Wirkung durch Beeinflussung des Kohlehydratstoffwechsels ausubt, indem es den im Nervengewebe gestorten Kohlehydratstoffwechsel regelt, denn bei B1-Avitaminose ist im Tierversuch die Unentbehrlichkeit des B1-Vitamins in der Regelung des gestorten Kohlehydratstoffwechsels des Zentralnervensystems zweifellos erwiesen worden. Wir setzen unsere Versuche an einem groseren Material fort und fuhren neben der Prufung des Blutzuckers auch Beobachtungen uber Blutmilchsaure und Blutbrenztraubensaure durch.
Exploring the item sets of the Recovering Quality of Life (ReQoL) measures using factor analysis (2018)

The analyses confirmed that the ReQoL item sets are sufficiently unidimensional to proceed to item response theory analysis. The model was robust across different ordering of positive and negative items.
Electromagnetic fields (1.8 GHz) increase the permeability to sucrose of the blood–brain barrier in vitro (2000)

We report an investigation on the influence of high frequency electromagnetic fields (EMF) on the permeability of an in vitro model of the blood–brain barrier (BBB). Our model was a co-culture consisting of rat astrocytes and porcine brain capillary endothelial cells (BCEC). Samples were characterized morphologically by scanning electron microscopy and immunocytochemistry. The BBB phenotype of the BCEC was shown by the presence of zona occludens protein (ZO-1) as a marker for tight junctions and the close contact of the cells together with the absence of intercellular clefts. Permeability measurements using 14C-sucrose indicated a physiological tightness which correlated with the morphological findings and verified the usefulness of our in vitro model. Samples were exposed to EMF conforming to the GSM1800-standard used in mobile telephones (1.8 GHz). The permeability of the samples was monitored over four days and compared with results of samples that were cultured identically but not exposed to EMF. Exposure to EMF increased permeability for 14C-sucrose significantly compared to unexposed samples. The underlying pathophysiological mechanism remains to be investigated. Bioelectromagnetics 21:338–345, 2000. © 2000 Wiley-Liss, Inc.
Joint Source-Channel Coding for the Scalable Extension of H.264/MPEG-4 AVC (2007)

In this paper, we propose a joint source-channel coding (JSCC) methodology which minimizes the end-to-end distortion for the transmission of H.264/MPEG-4 scalable video over packet loss channels. The proposed JSCC-approach employs low-density parity-check codes in order to provide channel protection and relies on Lagrangian-based optimization techniques to derive the appropriate protection levels for each layer produced by the scalable source codec. Experiments show that our JSCC methodology delivers competitive results to state-of-the-art Lagrangian-based algorithms. However, in contrast to the state-of-the-art, our approach significantly reduces the computational complexity. We conclude that the proposed JSCC methodology provides optimized resilience against transmission errors in scalable video streaming over variable-bandwidth error-prone channels.
Ambient-Pressure X-ray Photoelectron Spectroscopy (2008)

This workshop focused on the application of ambient pressure X-ray photoelectron spectroscopy (APXPS) to environmental science and catalysis. Pioneering work on APXPS was done in the early 1970's by Hans and Kai Siegbahn et al., who demonstrated that XPS can operate at pressures of up to 1 Torr. A new type of APXPS instrument that utilizes a differentially-pumped electrostatic lens system at the ALS in 2001 increased the pressure limit to above 5 Torr, which opened the door to XPS experiments on water and aqueous solutions at temperatures above the melting point, in equilibrium with the vapor pressure of water. The impact of APXPS on fields such as environmental and atmospheric science as well as heterogeneous catalysis is already visible in numerous high impact publications. Today several other synchrotron facilities around the world have already implemented beam lines for APXPS or planning to do so in the near future. The goal of this workshop (organized by Miquel Salmeron (Molecular Foundry, LBNL), B. Simon Mun (Advanced Light Source, LBNL) and Hendrik Bluhm (Chemical Sciences Division, LBNL)) was to bring together researchers interested in the technique, review its current progress, discuss scientific opportunities and desirable technical improvements as well as consider the consequences of the increased user demand on the existing beam lines and ways to expand the availability of time.
Integration within Polygonal Finite Elements (2002)

Engineering mechanics formulations of aerospace industry problems overwhelmingly rely upon spatial averaging techniques. Crucial applications in the area of dynamic response analysis and stochastic estimation of material degradation can be cited as important cases. Integration procedures on finite domains underlie physically acceptable averaging processes. Unlike one-dimensional cases, integrals within arbitrary areas and volumes cannot be approximated by a Gaussian form of numerical quadrature. Here the divergence theorem is applied once and twice, respectively, for polygonal and polyhedral integration domains, to construct integrals on boundary wireframes. The sum of Gaussian quadrature values on linear segments of the wireframe yields the final result of numerical integration on a finite element.
MODIFICATION OF ASPHALT BY CHEMICAL TREATMENT WITH SULPHUR (1994)

Abstract The Theological properties of asphalt of different chemical compositions were assessed after treating them with sulphur at various reaction conditions. To correlate the observed alterations in the physical properties of the products with changes in the chemical composition, a study on model compounds was conducted to throw some light on this issue.
Computation Of Polarized Subsurface Brdf For Rendering (2014)

Interest in polarization properties of the rendered materials is growing, but so far discussions on polarization have been restricted only to surface reflection, and the reflection due to subsurface scattering is assumed to be unpolarized. Findings from other field (e.g. optics and atmospheric science) show that volumetric interaction of light can contribute to polarization. So we investigated the polarized nature of the radiance field due to subsurface scattering as a function of the thickness of the material layer for various types of materials. Though our computations shows negligible polarization for material layers of high thickness, thin layered materials show significant degree of polarization. That means polarization cannot be ignored for subsurface component of reflection from painted surfaces (particularly painted metal surfaces) or from coated materials. In this paper we employ the vector radiative transfer equation (VRTE), which is the polarized version of the radiative transfer equation inside the material. We use a discrete ordinate based method to solve the VRTE and compute the polarized radiance field at the surface of the material layer. We generate the polarimetric BRDF from the solutions of the VRTE for incident irradiance with different polarizations. We validate our VRTE solution against a benchmark and demonstrate our results through renderings using the computed BRDF. Copyright held by authors.
Structure–Function Study of the Region Encompassing Residues 26–40 of Human Interferon-α <sub>4</sub> : Identification of Residues Important for Antiviral and Antiproliferative Activities (1992)

The highly conserved amino acid residues Leu-30 and Arg-33 of human interferon-alpha 4 (IFN-alpha 4) have previously been identified as important for biological activity. In this study, the sequence around Arg-33 was targeted to determine the importance of other residues in this region. A library of analogues containing amino acid substitutions spanning residues 26-37 was generated using site-directed and random mutagenesis. Analogues were expressed in vitro and assayed for antiviral and antiproliferative activity on human cells. No significant separation between the antiviral and antiproliferative activities was observed for any of the analogues tested. Substitutions at positions 26, 27, 31, 32, 34, 35, and 37, did not substantially affect biological activity. However, substitution of Phe-36 with arginine resulted in a greater than 100-fold decrease in biological activity. Thus, together with previous data, the residues in this region identified as most important for biological activity include Leu-30, Arg-33, and Phe-36. Recently published models for the three-dimensional structure of human IFN-alpha and the X-ray crystallographic structure of murine IFN-beta, suggest that the region investigated in this study forms a loop at the surface of the protein. Thus, residues Leu-30, Arg-33, and Phe-36, could be involved in binding to the Type-I IFN receptor, or in interactions with signal-transducing molecules.