gebhart/patrepeval huggingface dataset:
Synthesis and properties of poly[arylene ether (N‐arylenebenzimidazole)]s (1993)

Abstract Poly(arylene ether)s containing N‐arylenebenzimidazole groups were prepared by the aromatic nucleophilic displacement reaction of two new bis(hydroxyphenyl‐N‐arylenebenzimidazole)s with activated aromatic difluorides in sulfolane at 200°C in the presence of anhydrous potassium carbonate. The bis(hydroxyphenyl‐N‐arylenebenzimidazole)s were prepared from bis( o ‐aminoanilino) arylenes and phenyl‐4‐hydroxybenzoate. The polymers were soluble in N‐methyl‐2‐pyrrolidinone and m ‐cresol and exhibited inherent viscosities from 0.37–0.86 dL/g and glass transition temperatures from 219–289°C. Thermogravimetric analyses showed 5% weight losses from 463–506°C in air and 467–522°C in nitrogen. Unoriented thin films exhibited tensile strengths, moduli, and break elongations at 23°C of 10.2–12.5 ksi, 318–365 ksi, and 4–7%, respectively, and at 177°C of 5.1–6.9 ksi, 256–296 ksi, and 1–5%, respectively. A 50 : 50 random copolymer prepared from 1,3‐bis(4‐fluorobenzoyl) benzene, 1,1'‐(4,4'‐biphenylene)‐bis[2‐(4‐hydroxyphenyl)benzimidazole], and 5,5'‐bis[2‐(4‐hydroxyphenyl)benzimidazole] exhibited higher moisture absorption and lower tensile properties than those predicted by a rule of mixtures relationship. The chemical, physical, and mechanical properties of these polymers are discussed. © 1993 John Wiley & Sons, Inc.‡
Manufacture of Sparse-Spectrum Optical Microresonators (2006)

An alternative design for dielectric optical microresonators and a relatively simple process to fabricate them have been proposed. The proposed microresonators would exploit the same basic physical phenomena as those of microtorus optical resonators and of the microsphere optical resonators described elsewhere. The resonances in such devices are associated with the propagation of electromagnetic waves along circumferential paths in whispering-gallery modes. The main advantage afforded by the proposal is that the design and the fabrication process are expected to be amenable to production of multiple microresonators having reproducible spectral parameters -- including, most notably, high values of the resonance quality factor (Q) and reproducible resonance frequencies.
Effects of acute administration of acylated and unacylated ghrelin on glucose and insulin concentrations in morbidly obese subjects without overt diabetes (2009)

Co-administration of AG and UAG as a single i.v. bolus injection causes a significant decrease in insulin concentration in non-diabetic subjects suffering from morbid obesity. Since glucose concentration did not change in the first hour after Comb administration, our data suggest a strong improvement in insulin sensitivity. These findings warrant studies in which UAG with or without AG is administered for a longer period of time. Administration of a single bolus injection of UAG did not influence glucose and insulin metabolism.
Measuring Semantic Relatedness using Mined Semantic Analysis. (2015)

Mined Semantic Analysis (MSA) is a novel distributional semantics approach which employs data mining techniques. MSA embraces knowledge-driven analysis of natural languages. It uncovers implicit relations between concepts by mining for their associations in target encyclopedic corpora. MSA exploits not only target corpus content but its knowledge graph (e.g., See also link graph of Wikipedia). Empirical results show competitive performance of MSA compared to prior state-of-the-art methods for measuring semantic relatedness on benchmark data sets. Additionally, we introduce the first analytical study to examine statistical significance of results reported by different semantic relatedness methods. Our study shows that, top performing results could be statistically equivalent though mathematically different. The study positions MSA as one of state-of-the-art methods for measuring semantic relatedness.
Parallel Hybrid Converter: Derived Topologies and Control (2018)

Modular multilevel converter (MMC) has gained a huge research interest for high voltage direct current (HVDC) applications. Recently significant research has been carried out to develop hybrid MMC to address the technical constraints of the MMC. Parallel hybrid converter (PHC) is the most promising topology for high power applications due to its series connected chain-links on dc side and smaller sub-module capacitors. Moreover in PHC, the chain-link SMs are not in the main conduction path and the H-bridges are switched at fundamental frequency, which leads to lower semiconductor losses. However, the dc and ac side of the PHC are strongly coupled which lead to a fixed output voltage without using a dedicated control to tackle this issue. Moreover, PHC loses controls during dc fault. Various methods have been proposed in literature to decouple the dc and ac side of the converter and to make it tolerant to dc fault. In this paper, a review of these state of art control strategies are presented. This paper contributes in summarizing key benefits and limitations of various existing control methods through extensive analyses and simulation studies.
Open Accumulator Concept for Compact Fluid Power Energy Storage (2007)

Energy storage devices for fluid power applications that are significantly more compact than existing ones will enable energy regeneration for many applications, including fluid power hybrid vehicles and construction equipment. The current approach to hydraulic energy storage makes use of a compressed gas enclosed in a closed chamber. As the system must contain the expanded gas and the hydraulic oil displaced, the optimal energy density occurs at a modest expansion ratio resulting in a small energy density. By allowing intake and exhaust of compressed and expanded air from and to the atmosphere, a potential order of magnitude increase in energy density is available in the new open accumulator approach. Potential methods for realizing the new configuration are described. Analysis and simulation case studies illustrate both the advantages and challenges of the new approach.
All-Match Based Complete Redundancy Removal for Packet Classifiers in TCAMs (2008)

Packet classification is the core mechanism that enables many networking services on the Internet such as firewall packet filtering and traffic accounting. Using Ternary Content Addressable Memories (TCAMs) to perform high-speed packet classification has become the de facto standard in industry. TCAMs classify packets in constant time by comparing a packet with all classification rules of ternary encoding in parallel. Despite their high speed, TCAMs suffer from the well-known interval expansion problem. As packet classification rules usually have fields specified as intervals, converting such rules to TCAM- compatible rules may result in an explosive increase in the number of rules. This is not a problem if TCAMs have large capacities. Unfortunately, TCAMs have very limited capacity, and more rules means more power consumption and more heat generation for TCAMs. Even worse, the number of rules in packet classifiers have been increasing rapidly with the growing number of services deployed on the internet. The interval expansion problem of TCAMs can be addressed by removing redundant rules in packet classifiers. This equivalent transformation can significantly reduce the number of TCAM entries needed by a packet classifier. Our experiments on real- life packet classifiers show an average reduction of 58.2% in the number of TCAM entries by removing redundant rules. We propose an all-match based complete redundancy removal algorithm. This is the first algorithm that attempts to solve first-match problems from an all-match perspective. We formally prove that our redundancy removal algorithm guarantees no redundant rules in resulting packet classifiers. We conducted extensive experiments on both real-life and synthetic packet classifiers. These experimental results show that our redundancy removal algorithm is both effective in terms of reducing TCAM entries and efficient in terms of running time.
Rhamnose Glycoconjugates for the Recruitment of Endogenous Anti‐Carbohydrate Antibodies to Tumor Cells (2014)

Immunotherapy is a promising strategy for targeting tumors. One emerging approach is to harness the immune effector functions of natural antibodies to destroy tumor cells. Dinitrophenyl (DNP) and the galactose-α-1,3-galactose (αGal) epitope are two haptens that bind endogenous antibodies. One potential alternative is the deoxysugar L-rhamnose. We compared these candidates by using a biosensor assay to evaluate human sera for endogenous antibody concentration, antibody isotype distribution, and longevity of antibody-hapten interactions. Antibodies recognizing α-rhamnose are of equal or greater abundance and affinity as those recognizing αGal. Moreover, both rhamnose and αGal epitopes are more effective than DNP at recruiting the IgG antibody subtype. Exposure of tumor cells to rhamnose-bearing glycolipids and human serum promotes complement-mediated cytotoxicity. These data highlight the utility of α-rhamnose-containing glycoconjugates to direct the immune system to target cells.
Telomere-Telomere Recombination Is an Efficient Bypass Pathway for Telomere Maintenance in <i>Saccharomyces cerevisiae</i> (1999)

Many Saccharomyces telomeres bear one or more copies of the repetitive Y' element followed by approximately 350 bp of telomerase-generated C(1-3)A/TG(1-3) repeats. Although most cells lacking a gene required for the telomerase pathway die after 50 to 100 cell divisions, survivors arise spontaneously in such cultures. These survivors have one of two distinct patterns of telomeric DNA (V. Lundblad and E. H. Blackburn, Cell 73:347-360, 1993). The more common of the two patterns, seen in type I survivors, is tandem amplification of Y' followed by very short tracts of C(1-3)A/TG(1-3) DNA. By determining the structure of singly tagged telomeres, chromosomes in type II survivors were shown to end in very long and heterogeneous-length tracts of C(1-3)A/TG(1-3) DNA, with some telomeres having 12 kb or more of C(1-3)A/TG(1-3) repeats. Maintenance of these long telomeres required the continuous presence of Rad52p. Whereas type I survivors often converted to the type II structure of telomeric DNA, the type II pattern was maintained for at least 250 cell divisions. However, during outgrowth, the structure of type II telomeres was dynamic, displaying gradual shortening as well as other structural changes that could be explained by continuous gene conversion events with other telomeres. Although most type II survivors had a growth rate similar to that of telomerase-proficient cells, their telomeres slowly returned to wild-type lengths when telomerase was reintroduced. The very long and heterogeneous-length telomeres characteristic of type II survivors in Saccharomyces are reminiscent of the telomeres in immortal human cell lines and tumors that maintain telomeric DNA in the absence of telomerase.
Longitudinal Shock Wave Depolarization of Pb(Zr52Ti48)O3 Polycrystalline Ferroelectrics and their Utilization in Explosive Pulsed Power (2006)

Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Sergey I. Shkuratov, Evgueni F. Talantsev, Jason Baird, Henryk Temkin, Larry L. Altgilbers, Allen H. Stults; Longitudinal Shock Wave Depolarization of Pb(Zr52Ti48)O3 Polycrystalline Ferroelectrics and their Utilization in Explosive Pulsed Power. AIP Conf. Proc. 28 July 2006; 845 (1): 1169–1172. https://doi.org/10.1063/1.2263532 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 ContentAIP Publishing PortfolioAIP Conference Proceedings Search Advanced Search |Citation Search
Inclusion of Organic Pollutants in Cyclodextrins and Derivatives (2000)

Abstract Both (−)-geosmin and (+)-2-methyl-isoborneol are the main compounds responsible for the unpleas-and smells found in the vicinity of water-processing plant. Attempts to eliminate them using oxidation, filtration and/or biologic degradation processes are only partly efficient. The use of cage molecules could provide an alternative solution. In this respect, cyclodextrins and derivatives have demonstrated their role as candidates as hosts for these highly hydrophobic compounds. In this paper, we evidence the complexation of above mentionned pollutants by cyclodextrins using high-resolution proton Nuclear Magnetic Resonance spectroscopy. The latter method is also used to afford a three-dimensional structure of inclusion complexes in solution and to show that cyclodextrins can as well discriminate between the optical isomers of synthetic geosmin and methyl-isoborneol. Finally, a solution to the problem of waste waters is proposed.
Analysis of Speckle Reduction in Optical Coherence Tomography by Path Length Encoded Angular Compounding (2004)

Angular compounding by path length encoding (ACPE), a new method for reducing speckle in OCT images is presented. ACPE images demonstrate a qualitative improvement over traditional OCT and an increased SNR that correlates well with theory.
Cornelia de Lange syndrome: Clinical review, diagnostic and scoring systems, and anticipatory guidance (2007)

Cornelia de Lange syndrome (CdLS), also known as Brachmann-de Lange syndrome, is a well-described multiple malformation syndrome typically involving proportionate small stature, developmental delay, specific facial features, major malformations (particularly the cardiac, gastrointestinal and musculoskeletal systems), and behavioral abnormalities. There is a broad spectrum of clinical involvement, with increasing recognition of a much milder phenotype than previously recognized. Significant progress has been made in recent years in the clinical and molecular delineation of CdLS, necessitating a revision of the diagnostic criteria, more inclusive of the milder cases. In addition, a scoring system of severity has been found to correlate with specific brain changes. Thus, a clinical overview and recommendations for anticipatory guidance are timely in aiding caretakers and professionals to individualize care decisions and maximize developmental potential for individuals with CdLS. These guidelines are derived from consensus based on collective experience of over 500 patients with CdLS, observations of the natural history in children, adolescents, and adults, a review of the literature, and contacts with national support organizations in North America and Europe.
Mineralized tissue‐formation in periodontal wound healing (1992)

The purpose of the present study was to examine and compare the different mineralized tissues that are found on and around the dental root following treatment of different periodontal pathosis. The material has been compiled from previously published experimental studies on periodontal therapies and trauma treatments. 4 distinctly different appearances of the mineralized tissue layers on the marginal dentin surfaces were described; new cementum, non-attached bone-like tissue, partly attached bone-like tissue and ankylosis preceded by root resorption. It was concluded that, healing in the periodontal/root interface following periodontal therapy may yield different mineralized tissues, depending on a number of host-specific and external factors. The temporal pattern of such healing processes is schematically represented.
<title>MPEG-J</title> (2001)

The Java based application engine defined in the Systems part (Part 1) of the MPEG-4 standard is called MPEG-J. MPEG-J, which stands for MPEG-Java, is designed to be used with the parametric, scene description based, presentation engine defined by the same standard. It facilitates programmatic control as opposed to the parametric control provided by the presentation engine by defining a set of Java APIs to access and control the underlying MPEG-4 terminal. An MPEG-J application (MPEGlet) which uses these APIs can be used in the content as an MPEG-J elementary stream similar to audio and video streams. A delivery mechanism is defined in MPEG-J to carry the Java byte code and Java objects that makes an MPEG-J application. Complex algorithmic control can be embedded in such an application to include behavior based on time-varying terminal conditions. The lifecycle and scope of an MPEG-J application is defined in the standard along with a strict security model. Content creation in MPEG-J involves a paradigm shift as it blurs the boundaries between media content and computer programs. As the MPEG-J application can leverage the power of Java, the application scenarios are limited only by the ingenuity of the content creator.
Synthesis of Novel mRNA 5′ Cap-Analogues: Dinucleoside P<sup>1</sup>, P<sup>3</sup>-Tri-, P<sup>1</sup>, P<sup>4</sup>-Tetra-, and P<sup>1</sup>, P<sup>5</sup>-Pentaphosphates (2003)

A series of new mRNA anti reverse cap analogues (ARCA) was designed to obtain a tool for studying the mechanism of protein translation. Dinucleoside P1, P3-tri-, P1, P4-tetra- and P1, P5-pentaphosphates, linked by a 5'-to-5' phosphate bridge and composed of modified 7-methylguanosine and guanosine, have been synthesized. The hydroxyl group (2'OH or 3'OH) in 7-metylguanosine moiety was replaced by -OCH3 or -H in order to obtain the cap analogues capable to be correctly incorporated into synthetic mRNA transcripts. Tri-, tetra-, and pentaphosphates were prepared by ZnCl2 catalyzed condensation in DMF of derivatives of the 7-methylguanosine diphosphates with the guanosine mono-, di- and triphosphate P-imidazolides, respectively. The structures of the novel compounds were established by means of 1H and 31P NMR spectra.
Acomni (2012)

Home energy made up nearly 25% of all energy consumed in the US in 2010, and 31% of this energy is estimated to come from home heating, ventilation, and air conditioning (HVAC) systems. Currently, the inputs available to a homeowner (temperature set points) make it difficult, if not impossible, to understand the long-term energy consumption and/or cost. This paper presents Acomni, a smart thermostat that enables users to immediately visualize these energy/temperature tradeoffs, and make well informed decisions. Moreover, users are provided with the ability to specify a cost constraint and the Acomni thermostat will provide users with an optimized set point schedule to achieve these constraints.
Enabling multi-electron reaction of ε-VOPO<sub>4</sub> to reach theoretical capacity for lithium-ion batteries (2018)

By controlling the morphology and particle size of the epsilon polymorph of vanadyl phosphate, ε-VOPO4, it can fully reversibly intercalate two Li-ions and reach the theoretical capacity of 305 mA h g-1 over two voltage plateaus at about 4.0 and 2.5 V.
<title>Object-tracking technique for content-based functionalities</title> (1997)

This paper presents a new technique for object tracking. Object tracking methods usually rely on the motion homogeneity of the object to be tracked. The proposed method does not assume that the selected objects present either motion or spatial homogeneity. It is therefore a very powerful tool for enabling content-based functionalities. This object tracking technique is based on the concept of partition projection which is implemented by means of a double partition approach. The projection of the previous partition is directly imposed in the current image so that temporal stability is improved. Several examples in different scenarios are finally presented in order to assess the performance of the method.
The Analysis of Structured Securities: Precise Risk Measurement and Capital Allocation (2003)

The Analysis of Structured Securities presents the first intellectually defensible framework for systematic assessment of the credit quality of structured securities. It begins with a detailed description and critique of methods used to rate asset-backed securities, collateralized debt obligations and asset-backed commercial paper. The book then proposes a single replacement paradigm capable of granular, dynamic results. It offers extensive guidance on using numerical methods in cash flow modeling, as well as a groundbreaking section on trigger optimization. Casework on applying the method to automobile ABS, CDOs-of-ABS and aircraft-lease securitizations is also presented. This book is essential reading for practitioners who seek higher precision, efficiency and control in managing their structured exposures.
ChemInform Abstract: A NEW PROCEDURE FOR THE PREPARATION OF SUBSTITUTED UREAS, ACYLUREAS, AND SULFONYLUREAS (1975)

Abstract Das aus Brom und Kaliumcyanid in Wasser in situ hergestellte Bromcyan (I) wird mit Aminen (II) zu Cyanamiden (III) umgesetzt, die nach Schotten‐Baumann zu N,N‐ disubstituierten Cyanamiden (IV) bzw. (VII) acyliert bzw. sulfoniert werden.
Fabrication of Nanodiamond Coating on Steel (2013)

The hardness, heat conductivity and low friction coefficient of microcrystalline diamond make it a suitable candidate for tribological applications. However, its roughness and high deposition temperature pose significant obstacles to these applications. We have successfully grown nanocrystalline diamond on steel at 400 °C by hot-filament chemical vapor deposition by employing a CrN interfacial layer. Nanocrystalline diamond combines hardness and surface smoothness required in tribological applications. Microcrystalline diamond and carbon nanotubes can also be grown by controlling the deposition parameters. The fabricated films were characterized with Raman spectroscopy, X-ray diffraction (XRD), Transmission electron microscopy (TEM), and scanning electron microscopy (SEM).
Electrical properties of doped conjugated polyelectrolytes with modulated density of the ionic functionalities (2015)

We report the synthesis of a series of water-soluble anionic narrow band-gap conjugated polyelectrolytes with a varied density of the ionic functional groups. The charge density is modulated by incorporating the structural units with tetraethylene glycol (TEG) monomethyl ether side chains. These polymers are readily p-doped during dialysis in water. CPEs with TEG side chains exhibit tighter intermolecular packing in the solid state and higher electrical conductivity.
Synthesis of Fluorosugar Analogues of 2,5,6-Trichloro-1-(β-<scp>d</scp>-ribofuranosyl)benzimidazole as Antivirals with Potentially Increased Glycosidic Bond Stability (2000)

The metabolic instability in vivo of the glycosidic bond of 2,5, 6-trichloro-1-(beta-D-ribofuranosyl)benzimidazole (TCRB) prompted us to design and synthesize the hitherto unreported fluorinated benzimidazole nucleosides 2,5, 6-trichloro-1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)benzimidazole , 2,5, 6-trichloro-1-(3-deoxy-3-fluoro-beta-D-xylofuranosyl)benzimidazole, and 2-bromo-5, 6-dichloro-1-(2-deoxy-2-fluoro-beta-D-ribofuranosyl)benzimidazole. TCRB was converted into the 2',5'-ditrityl and 3',5'-ditrityl derivatives, which were fluorinated with DAST and deprotected to yield 2,5, 6-trichloro-1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)benzimidazole and 2,5, 6-trichloro-1-(3-deoxy-3-fluoro-beta-D-xylofuranosyl)benzimidazole. The resulting low overall yield (5%) of 2,5, 6-trichloro-1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)benzimidazole encouraged us to develop an alternative route. The heterocycle 2,5, 6-trichlorobenzimidazole was condensed with 1-bromo-3, 5-di-O-benzoyl-2-deoxy-2-fluoro-alpha-D-arabinofuranose to give, after deprotection, 2,5, 6-trichloro-1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)benzimidazole in a 50% overall yield. The 2'-deoxy-2'-fluoro-beta-D-ribofuranosyl compounds were prepared using 2'-deoxy-2'-fluorouridine, N-deoxyribofuranosyl transferase, and 5,6-dichlorobenzimidazole. Functionalization of the C2 position then gave the desired derivatives. Antiviral and cytotoxicity testing revealed that the deoxy fluoro arabinofuranosyl, xylofuranosyl, and ribofuranosyl derivatives were less active against human cytomegalovirus and more cytotoxic than TCRB.