gebhart/patrepeval huggingface dataset:
Modulus-Graded Interphase Modifiers in E-Glass Fiber/Thermoplastic Composites (2009)

Abstract A process for coating E-glass fibers with polystyrene–polyethyleneimine (PEi) core–shell particles was developed, and uniform monolayers of particles of 143 and 327 nm diameter were covalently bonded to the glass surface. The effect of the particle coatings on the mechanical properties of fiber-reinforced composites of poly(vinyl butyral) (PVB) was investigated. The interfacial shear strength (IFSS) was measured for specimens containing one to 20 fibers each using the tensile fiber fragmentation test, and significant enhancements were found, in particular for samples containing larger numbers of fibers. The smaller-particle (143 nm) coatings in the 20-fiber specimens produced approximately a 100% enhancement in IFSS over equivalent specimens with bare or aminosilane-treated fibers, while the 327 nm particle coatings produced only approximately a 25% enhancement. The greater effectiveness of the smaller particles was attributed, at least in part, to the larger effective interfacial area they provide and their relatively greater shell-to-core ratio, providing greater interphase stiffness. The greater enhancements achieved for the multi-fiber vs single-fiber specimens suggest that the coatings produce a more uniform fiber–fiber spacing and, therefore, a more thorough wetting of the fibers by the resin in the multi-fiber samples. Composites formed using fiber tows of 3200 fibers each showed more than a 100% increase in composite toughness and 35% increase in ultimate tensile strength as compared to samples with bare fibers due to the presence of the 143 nm particle coatings, and somewhat more modest increases for the 327 nm particle coatings. Keywords: COMPOSITESINTERPHASE PROPERTIESFIBER FRAGMENTATIONPARTICLE–FIBER ATTACHMENTMECHANICAL REINFORCEMENT
Protective Effect of Fucoidin (a Neutrophil Rolling Inhibitor) on Ischemia Reperfusion Injury: Experimental Study in Rat Epigastric Island Flaps (2001)

The objective of this study was to examine whether a decrease in neutrophil-mediated tissue injury using Fucoidin, a nontoxic neutrophil rolling inhibitor, would improve flap survival in an island flap model after ischemia-reperfusion. Myeloperoxidase activity (an indirect index of tissue neutrophil count) and malondialdehyde (an indicator of lipid peroxidation), the degree of neutrophil infiltration by direct counting, and macroscopic flap survival were assessed in the flap after arterial ischemia-reperfusion. Epigastric island skin flaps were elevated in 56 rats. The first group of 21 rats was subjected to 6 hours of arterial ischemia. The second group of 21 rats was subjected to 10 hours of arterial ischemia, and the rest of the rats were used as nonischemic controls (sham flaps). For inhibiting neutrophil rolling, a nontoxic polysaccharide agent-Fucoidin-was used. Each ischemic group was divided further into three subgroups: Subgroup I (control rats) received saline, subgroup II received 10 mg per kilogram Fucoidin, and subgroup III received 25 mg per kilogram Fucoidin before reperfusion. The results were evaluated as tissue neutrophil counts, tissue malondialdehyde content, tissue myeloperoxidase activity, and flap survival. Neutrophil counts and tissue myeloperoxidase activity were decreased significantly (p <0.001) in subgroup III, but lipid peroxidation by means of tissue malondialdehyde content was not affected by Fucoidin administration. The authors conclude that administration of Fucoidin before reperfusion can limit tissue injury apparently by inhibiting neutrophil rolling in a dose-dependent manner.
Bora and the Kinase Aurora A Cooperatively Activate the Kinase Plk1 and Control Mitotic Entry (2008)

A central question in the study of cell proliferation is, what controls cell-cycle transitions? Although the accumulation of mitotic cyclins drives the transition from the G2 phase to the M phase in embryonic cells, the trigger for mitotic entry in somatic cells remains unknown. We report that the synergistic action of Bora and the kinase Aurora A (Aur-A) controls the G2-M transition. Bora accumulates in the G2 phase and promotes Aur-A-mediated activation of Polo-like kinase 1 (Plk1), leading to the activation of cyclin-dependent kinase 1 and mitotic entry. Mechanistically, Bora interacts with Plk1 and controls the accessibility of its activation loop for phosphorylation and activation by Aur-A. Thus, Bora and Aur-A control mitotic entry, which provides a mechanism for one of the most important yet ill-defined events in the cell cycle.
Design of Plasma Kallikrein Inhibitors: Functional and Structural Requirements of Plasma Kallikrein Inhibitors. (1998)

The synthetic plasma kallikrein (PK) inhibitor trans-4-aminomethylcyclohexanecarbonylphenylalanine-4-carboxyme thylanilide (PKSI-527) consists of three parts. Each part was replaced by analogues in an attempt to improve the potency and the selectivity of PKSI-527. Among the peptides examined, trans-4-aminomethylcyclohexanecarbonylphenylalanine-4-carboxyan ilide (peptide 16) inhibited PK with a high selectivity and an IC50 value of 2.7 microM, being as potent as PKSI-527.
Improving source code search with natural language phrasal representations of method signatures (2011)

As software continues to grow, locating code for maintenance tasks becomes increasingly difficult. Software search tools help developers find source code relevant to their maintenance tasks. One major challenge to successful search tools is locating relevant code when the user's query contains words with multiple meanings or words that occur frequently throughout the program. Traditional search techniques, which treat each word individually, are unable to distinguish relevant and irrelevant methods under these conditions. In this paper, we present a novel search technique that uses information such as the position of the query word and its semantic role to calculate relevance. Our evaluation shows that this approach is more consistently effective than three other state of the art search techniques.
QMDD: A Decision Diagram Structure for Reversible and Quantum Circuits (2006)

In this paper, we present a novel structure, QuantumMultiple- valued Decision Diagrams (QMDD), specifically designed to represent and manipulate the matrices encountered in the specification of reversible and quantum gates and circuits, both binary and multiple-valued. QMDD use many common decision diagram techniques, ideas introduced in QuIDDPro and novel techniques introduced here. Building the QMDD for the matrices for individual gates and the subsequent construction of the QMDD for the matrix describing a circuit are discussed. A prototype C implementation is described and experimental results are given that show the new structure is a promising and compact representation for reversible and quantum logic circuits.
Cranial Polyneuritis and Bell Palsy (1976)

In view of the specific nature of the clinical and neurologic findings in Bell palsy and other acute benign cranial neuritides, the neural component of cutaneous herpes simplex, the predilection of the herpesvirus for sensory nerves, and intrinsic behavior and immunologic interreactions of the herpesvirus within ganglion cells, it is suggested that (1) the entity that has been termed "idiopathic facial paralysis" be recognized as an acute benign cranial polyneuritis; and (2) other acute benign cranial neuritides be recognized as formes frustes of Bell palsy.
High Temperature Reactions in the Silicon-Hydrogen-Chlorine System (1974)

The partial pressures of the gaseous species in equilibrium with solid silicon in the Si‐H‐Cl system are presented as a function of temperature for different Cl/H ratios and total pressures. Computations were performed using our recently determined value of . Experimental data concerning the deposition and dissolution of silicon over a temperature range of 1200°–1700°K are compared to the equilibrium data and general conclusions drawn about the probable reaction mechanisms involved, especially for decomposition of the compounds and . Particular emphasis is put on attempting to integrate the diverse body of experimental data that exists for silicon deposition from and mixtures at high temperatures.
Experimental pancreatolithiasis in the dog. (1981)

Little is known about the pathogenesis of pancreatolithiasis, and although several theories have been proposed, no experimental models of pancreatic calculi production are documented in the literature. This study examines such a model in which partial or complete pancreatic duct obstruction was surgically created in dogs. We found that (1) pancreatic calculi were demonstrated in 46.7% of the dogs (14 of 30) with partial outflow obstruction for 4 months or longer; (2) no pancreatic calculi were found in any of the dogs with complete pancreatic duct obstruction; (3) all calculi produced were localized in the ductal system; (4) the organic and inorganic composition of canine and human pancreatic calculi were quite similar; and (5) connective tissue proliferation and mucous cell metaplasia of the ductal epithelium, often seen in association with clinical pancreatolithiasis, are also detected in the pancreata of dogs that have had partial obstruction of pancreatic excretion. These findings suggest that an experimental model of pancreatolithiasis can be accomplished in dogs by the partial obstruction of pancreatic excretion.
Ex vivo simulation of IgG Fc and T-cell receptor functions: An application to inflammatory bowel disease (2008)

These data demonstrate an underlining hyperfunction of TCR in peripheral-blood leukocytes in CD patients. The ex vivo simulation demonstrates an underlining hyperfunction of TCR in peripheral-blood leukocytes in CD patients and may form the basis of a relatively noninvasive test for distinguishing these IBDs.
Prosthesis Use and Satisfaction Among Persons With Dysvascular Lower Limb Amputations Across Postacute Care Discharge Settings (2014)

These results add to the growing body of literature suggesting a general pattern of better outcomes for persons with vascular-related amputations who receive postacute care at IRFs relative to SNFs.
Asymmetrical outphasing: Exploiting conjugate continuous modes of operation (2017)

In conventional techniques for efficiency enhancement of outphasing systems, identical power amplifiers are employed for each branch while the output combining network is optimised using reactive compensating elements. In this work a methodology is presented for asymmetrical branch amplifier design based on the conjugate load modulation trajectories seen by each PA branch. Closed form equations and simulations are presented, demonstrating that conjugate modes of operation PAs can be used for the upper and lower amplifier branches in outphasing systems to achieve ideal maximum efficiency over the outphasing backoff range. As a proof of concept, Class B and Class J PAs were built using the Cree CGH40010 GaN HEMT. The Class J PA exhibited over 15% improvement in drain efficiency at 4dB back-off compared to the Class B PA when both were measured with the lower branch outphasing load trajectory.
Recording performance of double-layered perpendicular recording media with an antiferromagnetic layer (2003)

For a double-layered perpendicular media having an antiferromagnetic layer, it has been reported that increasing the exchange bias field H/sub ex/ is effective to reduce spike noise generated from the domain walls of the soft magnetic underlayer (SUL). In this study, a high exchange-coupling energy J/sub ex/ of 0.345 erg/cm/sup 2/ was obtained by using the combination of a NiFeB underlayer and a CoFeNiB enhancement layer. By investigating the effects of H/sub ex/ on the recording performance, it was revealed that increasing H/sub ex/ caused the writability of a head to deteriorate. However, reducing the nonmagnetic interlayer thickness, which reduces the magnetic spacing between the head and the SUL, could minimize the deterioration in writability. In addition, when the writability was unaffected by H/sub ex/, the signal-to-media-noise ratio was improved by the effect of SUL domain noise reduction.
Polytype Diversity of the Hydrotalcite-Like Minerals II. Determination of the Polytypes of Experimentally Studied Varieties (1993)

Abstract Polytype diversity of hydrotalcite-like minerals is mainly a function of the nature of the interlayer anion. Among the varieties with CO 3 2− anions, only two- and three-layer polylypes having the same structure as manasseite and hydrotalcite have been confirmed. Stichtite and reevesite, which have been previously identified as six-layer polytypes, are in fact three-layer polytypes. Among SO 4 2− varieties, one-layer and three-layer polytypes have been identified, but the one-layer types are only present in more hydrated minerals with larger interlayer spacings. The three-layer varieties are of three different polytypes, with both P- and O-types of interlayers. Both rhombohedral and hexagonal varieties exist. Interlayer type may change during hydration-dehydration or anion exchange. Thus, in contrast with the CO 3 2− -bearing minerals, a complete description of the polytype of the SO 4 2− -bearing minerals cannot be made by simply indicating the number of the brucite-like layers in the unit cell. The two-layer unit cell seen in refined crystal structures of some minerals with SO 4 2− interlayers is not due to a doubled periodicity of alternation of brucite-like layers but to periodicity of interlayer anions, or layer cations.
Contraception in women with medical problems (2008)

Women with medical disease have a higher incidence of maternal mortality compared with healthy women, with cardiac disease now being the most common cause of maternal death in the UK. A handful of medical conditions exist where pregnancy is not recommended due to mortality rates approaching 50%. It is imperative that such women have the most reliable methods of contraception available. Contraceptive agents may themselves affect medical disease, or may interact with medications used by such women. There may be a range of contraceptive agents suitable for each medical condition. The contraceptive selected should be tailored to suit the individual. The following points should be considered when deciding on the most appropriate contraceptive agent: efficacy, thrombotic risk (oestrogen containing contraceptives), arterial risks (oestrogen containing contraceptives), infective risk (e.g. insertion of intrauterine device [IUD]), vagal stimulation (e.g. insertion of IUD, ESSURE(®)), bleeding risks with patients on anticoagulants, interaction with concomitant drugs, effects of anaesthesia and ease of use. This review aims to cover the different contraceptive agents available and the best ones to use for certain medical illnesses.
First Results Using the Planck-Balance (2018)

A table top version of a Kibble balance called the Planck-Balance has been developed by the Physikalisch-Technische Bundesanstalt (PTB) and the Technische Universitat Ilmenau (TUIL). After one year of development, the first measurement results were obtained. The mass of a 10 g mass standard has been determined with a relative type A uncertainty of 3 × 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-7</sup> . A preliminary uncertainty budget shows a relative combined measurement uncertainty of 1 × 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-6</sup> . This paper gives a brief overview of the concept of the balance, its measurement principle, its results and a preliminary uncertainty budget.
New films produced from microfibrillated natural fibres (1998)

New types of microfibrillated materials (MM) from natural fibres such as wood pulp fibres, cotton fibres, tunicin cellulose, chitosan, silk fibres and collagen have been developed by a super-grinding method. The method consists of a unique, simple mechanical treatment which is designed to give shearing-stress to the longitudinal fibre axis of the fibrous samples. By the above method, microfibrillated fibres having diameters in the range 20–90nm could be obtained. As one of the applications of MM, formation of films without using an organic solvent has been attempted using MM from natural fibres. The films obtained had about 3–100μm thickness and were homogeneous, strong and translucent. Their tensile strength was much superior to those of commercial print grade papers. Films were also formed by mixing MM from different natural fibres in aqueous suspension. © 1998 Society of Chemical Industry
Modification of the optical properties of fluoropolymers by supercritical fluid impregnation with europium β-diketonates (2010)

Optical properties of a number of fluoroacrylate-based fluoropolymers doped with europium β-diketonates by means of supercritical fluid impregnation were studied. The influence of the type of polymer matrix on the process of impregnation of europium β-diketonate molecules into it and the evolution of the optical properties of the doped polymers during a long-term storage were revealed. A comparative analysis of the quantum yield (λexc = 300 and 380 nm) and thermosensitivity of the photoluminescence of Eu3+ ions for different europium β-diketonates and polymer structures was performed. It was demonstrated that the supercritical fluid extraction of unreacted photoinitiator residues from polymer samples makes it possible to substantially enhance their transparency at wavelengths shorter than 300 nm.
Size-dependent resistivity of metallic wires in the mesoscopic range (2002)

As the lateral dimension of conductors approaches the mesoscopic regime, deviations of electric resistivity from that of bulk material are observed. Size effects come into play as the lateral dimension of the wire is in the range of the mean free path of the conduction electrons and below. In order to probe the size effects in systems confined in both lateral dimensions copper wires with widths ranging from 40 to 800 nm were prepared in a ${\mathrm{SiO}}_{2}$ matrix. The resistance of the wires was measured in the temperature range from 77 to 573 K. A size-dependent increase of the resistivity was found for decreasing wire widths. For the narrowest wires the resistivity is a factor of $2.6$ higher than the copper bulk value $(1.75 \ensuremath{\mu}\ensuremath{\Omega}\mathrm{cm}).$ The experimental data was compared to theoretical predictions over the whole investigated range of size and temperature using a semiclassical model. The model includes diffusive scattering of the conduction electrons at the surface and the grain boundaries of the wire. Very good agreement of theory with experimental data was found. In this way a coherent picture of the size dependent resistivity has been obtained.
(R)-4-Methyl-2-pentyl Acetate from Eucalyptus loxophleba (1991)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXT(R)-4-Methyl-2-pentyl Acetate from Eucalyptus loxophlebaP. M. Grayling and J. R. KnoxCite this: J. Nat. Prod. 1991, 54, 1, 295–297Publication Date (Print):January 1, 1991Publication History Published online1 July 2004Published inissue 1 January 1991https://pubs.acs.org/doi/10.1021/np50073a038https://doi.org/10.1021/np50073a038research-articleACS PublicationsRequest reuse permissionsArticle Views100Altmetric-Citations3LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
Artificial Neural Network approach to credit risk assessment (2007)

With the wide use of credit facilities utilized by the corporate customers, the accuracy of predicting credit worthiness is of utmost importance to the financial institutions. This paper reports on a novel approach to credit risk assessment which incorporates the impact of financial, industry and economic factors specific to a particular industry, using artificial neural network technology. For the prototype, Credentials, the hotel industry of Sri Lanka was selected. The input parameters consider growth rates on a quarterly basis to determine the gearing position. Two neural networks are being trained for cashflow growth and debt growth prediction respectively using backpropagation learning rule. The predicted gearing growth rate for the next four consecutive quarters is generated as the output. The modular design incorporates Web services to export hotel and economic data and Hebbian based classification. According to the evaluation, the best accuracy levels were obtained for Colombo region five star hotels, where cashflow neural network and debt neural network yielded 75.0% and 62.5% success rates respectively. Overall, the evaluator panel was satisfied with the concept, approach, technical aspects, prototype and the reporting facilities of Credentials.
Synthesis of Oligodeoxynucleotides Containing 2-Substituted Guanine Derivatives Using 2-Fluoro-2′-Deoxyinosine as Common Nucleoside Precursor (1997)

Abstract Oligonucleotides containing 2-substituted guanine derivatives with double-helix stabilizing molecules such as spermine, spermidine and propylimidazole have been prepared using protected 2-fluoro-2′-deoxyinosine phosphoramidite and two different protective strategies: the p-nitrophenylethyl (NPE) and the t-butylphenoxyacetyl groups. Melting studies show a large increase on the melting temperatures of duplexes containing these 2-substituted guanine derivatives.
Temporal and noninvasive monitoring of inflammatory‐cell infiltration to myocardial infarction sites using micrometer‐sized iron oxide particles (2009)

Micrometer-sized iron oxide particles (MPIO) are a more sensitive MRI contrast agent for tracking cell migration compared to ultrasmall iron oxide particles. This study investigated the temporal relationship between inflammation and tissue remodeling due to myocardial infarction (MI) using MPIO-enhanced MRI. C57Bl/6 mice received an intravenous MPIO injection for cell labeling, followed by a surgically induced MI seven days later (n=7). For controls, two groups underwent either sham-operated surgery without inducing an MI post-MPIO injection (n=7) or MI surgery without MPIO injection (n=6). The MRIs performed post-MI showed significant signal attenuation around the MI site for the mice that received an intravenous MPIO injection for cell labeling, followed by a surgically induced MI seven days later, compared to the two control groups (P<0.01). The findings suggested that the prelabeled inflammatory cells mobilized and infiltrated into the MI site. Furthermore, the linear regression of contrast-to-noise ratio at the MI site and left ventricular ejection function suggested a positive correlation between the labeled inflammatory cell infiltration and cardiac function attenuation during post-MI remodeling (r2=0.98). In conclusion, this study demonstrated an MRI technique for noninvasively and temporally monitoring inflammatory cell migration into the myocardium while potentially providing additional insight concerning the pathologic progression of a myocardial infarction.