gebhart/patrepeval huggingface dataset:
The Ultimate Purcell Factor in Van der Waals Heterostructures (2019)

We find what mechanisms limit fundamental light-matter interactions of plasmons confined to the atomic scale, when interfacing two-dimensional semiconductor emitters. We show how nonlocality governs the dynamics, limiting the Purcell factor yet reaching ultra-strong coupling. © 2019 The Author(s)
Two dimensional frequency estimation by interpolation on Fourier coefficients (2012)

In this paper, we propose a computationally simple algorithm for the estimation of the frequencies of a random phase two-dimensional (2-D) complex exponential in additive noise by extending the 1-D estimator developed by Aboutanios and Mulgrew. The procedure of the algorithm is based on a two-stage scheme consisting of a coarse estimator followed by a fine search stage. The separability of the problem implies that the estimator can be applied in each direction. Theoretical analysis shows, however, that the performance of the algorithm converges to the minimum point of the asymptotic variance after two iterations only if the estimation is applied jointly in the two dimensions. As in the 1-D case, this variance is extremely close to the 2-D Cramer-Rao Lower Bound. The simulation results are presented to verify the analysis.
Initiation of contact system activation in plasma is dependent on factor XII autoactivation and not on enhanced susceptibility of factor XII for kallikrein cleavage (1997)

Various mechanisms have been hypothesized to explain the initiation of contact system activation in plasma. We investigated the capability of dextran sulphate (DS) of different molecular weights to initiate contact system activation in normal human plasma, and compared this with their capability to support factor XII autoactivation and to enhance factor XII susceptibility for cleavage by kallikrein. Dextran sulphate of Mr 500,000 (DS500) and 50,000 (DS50) was able to initiate contact system activation in plasma (determined by measuring the amount of factor XIIa-C1-inhibitor, kallikrein-C1-inhibitor and factor XIa-C1-inhibitor complexes generated) as well as to support factor XII autoactivation and to enhance factor XII susceptibility for cleavage by kallikrein (as measured with amidolytic assays using purified proteins). In contrast, dextran sulphate of Mr 15,000 (DS15) and 5000 (DS5) neither induced contact system activation in plasma, nor supported autoactivation of factor XII, although both of these DS species enhanced the rate of activation of factor XII by kallikrein in the purified system. Based on these properties (i.e. binding of factor XII without inducing autoactivation), DS15 and DS5 were predicted to be inhibitors of contact system activation induced in plasma by DS500, which indeed was observed. We conclude that enhanced factor XII susceptibility for kallikrein activation and factor XII autoactivation are distinct phenomena, the latter being necessary to support activation of the contact system in plasma.
Minimal Spectrum-Sums of Bipartite Graphs with Exactly Two Vertex-Disjoint Cycles (2008)

The spectrum-sum of a graph is defined as the sum of the absolute values of its eigenvalues. The graphs with minimal spectrum-sums in the class of connected bipartite graphs with exactly two vertex-disjoint cycles, in the class of connected bipartite graphs with exactly two vertex-disjoint cycles whose lengths are congruent with 2 modulo 4, and in the class of connected bipartite graphs with exactly two vertex-disjoint cycles one of which has length congruent with 2 modulo 4, are determined, respectively.
Biosynthesis of 5,6-dimethylbenzimidazole from [1'-14C,5-15N]6,7-dimethyl-8-ribityllumazine (1972)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBiosynthesis of 5,6-dimethylbenzimidazole from [1'-14C,5-15N]6,7-dimethyl-8-ribityllumazineSheue-Hon Lu and William L. AlworthCite this: Biochemistry 1972, 11, 4, 608–611Publication Date (Print):February 15, 1972Publication History Published online1 May 2002Published inissue 15 February 1972https://pubs.acs.org/doi/10.1021/bi00754a021https://doi.org/10.1021/bi00754a021research-articleACS PublicationsRequest reuse permissionsArticle Views32Altmetric-Citations1LEARN 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
New results for NbN phonon-cooled hot electron bolometric mixers above 1 THz (1999)

NbN Hot Electron Bolometric (HEB) mixers have produced promising results in terms of DSB receiver noise temperature (2800 K at 1.56 THz). The LO source for these mixers is a gas laser pumped by a CO/sub 2/ laser and the device is quasi-optically coupled through an extended hemispherical lens and a self-complementary log-periodic toothed antenna. NbN HEBs do not require submicron dimensions, can be operated comfortably at 4.2 K or higher, and require LO power of about 100-500 nW. IF noise bandwidths of 5 GHz or greater have been demonstrated. The DC bias point is also not affected by thermal radiation at 300 K. Receiver noise temperatures below 1 THz are typically 450-600 K and are expected to gradually approach these levels above 1 THz as well. NbN HEB mixers thus are rapidly approaching the type of performance required of a rugged practical receiver for astronomy and remote sensing in the THz region.
StereoVision-Based 3D Visual Tracking (2003)

A visual tracking method based on Stereo Vision is introduced and this method can analyze,trace and estimate the track of moving subject(for example a robot arm),on which 4 special markers are set,so that the attitude of the moving subject can be computed according to these specially set markers. In our experimental environment,special markers are set on the robot arm and the operation subject handled by the robot arm,then motion tracking,collision detection and presentiment are implemented. The experimental results show that this presented method is simple,less calculation,and can satisfy the requirement of realtime system.
Feasible Nonparametric Estimation of Multiargument Monotone Functions (1994)

Abstract This article presents a two-stage estimation procedure that uses an ad hoc but very easily implemented isotonization of a kernel estimator. This procedure yields an isotonic estimator with the convergence properties of the kernel estimator. Although the isotonization in the second stage does not satisfy the least squares condition, this hybrid estimator may be considered to be a multidimensional generalization of similar procedures for the one-dimensional case suggested by Friedman and Tibshirani and by Mukarjee. We derive some of the asymptotic properties of our estimator and demonstrate other statistical properties with Monte Carlo studies. We conclude by providing a real data example.
Electric Power Quality in Isolated Systems - Requirements and Examples of Analysis (2007)

The paper analyses power quality requirements for isolated systems. Standards used within this framework are taken from widely used classification societies rules, international standards applied to shore and off-shore units. The norms can be also divided into merchant and navy ships, both are analyzed. The requirements themselves are just a simple indication tool of the electric power quality. Hence, four real time examples are presented: 1) a navy ship with regular propeller, 2) an all electric ship with power network exceeded 1 MVA, 3) a passenger ship with 6.6 kV network and 4) equipment installed on shore, i.e. 120 kVA uninterruptible power supply system. For some of the presented examples standards are not fulfilled, which is discussed and some remarks are given.
ChemInform Abstract: Antimicrobial Alkaloids from Zanthoxylum tetraspermum and caudatum. (2001)

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Effect of cathode surface area and separately stabilized cathodes on high power glow discharges for CO2 laser excitation (1988)

Results are presented which indicate the importance of the cathode surface area and the advantage of using separately stabilized cathodes for the excitation of high power CO2 lasers. The results indicate that operation of a glow discharge with multiple cathodes of adequate surface area enables operation in the abnormal glow region at higher currents than with a single cathode of the same total surface area. Increase in the current at which the glow-to-arc transition occurs, improved stability, improved utilization of the laser cavity in the electrode region, and a wide range of variation of discharge current are also obtained using multiple cathodes. Large surface area multiple cathodes have been successfully demonstrated in a new high power fast axial flow CO2 laser using a single discharge tube operating at discharge currents of up to 1.8 A corresponding to laser output powers of up to 5 kW.
An electron paramagnetic resonance study of poly(isothianaphthene) (2002)

Electron paramagnetic resonance (EPR) and electrical conductivity are studied in undoped, iodine- and Cu(II) complex-doped poly(isothianaphthene) (PITN) powders prepared by O2-induced polymerization of 1,3-dihydroisothianaphthene. The integrated intensity of the EPR signals of iodine-doped PITN increases as the dopant concentration increases up to 5%, then decreases, while the conductivity shows a sharp increase at a doping level of about 9%. The EPR linewidth decreases slightly upon dedoping and increases as the doping level increases. These results are discussed in terms of the formation of polarons and bipolarons and a transition from a semiconductor to a metallic regime upon doping. PITN samples doped with three different anionic Cu(II) complexes by an ion-exchange process show a Cu(II) doping level that is 3–5 times greater than that in samples prepared by a direct doping process. Cu(II) complex-doped PITN (σmax = 5.2 S cm−1) gives better conductivity than iodine-doped PITN (σmax = 0.16 S cm−1) even at lower doping levels. This is possibly due to an increase in the interchain contribution to the conduction mechanism.
Reticle enhancement technology trends (2001)

In this paper, we briefly describe the lithography developments known as RET (Resolution Enhancement Technologies),which include off-axis illumination in litho tools,Optical and Process Correction (OPC), and phase shifting masks (PSM). All of these techniques are adopted to allow ever smaller features to be reliably manufactured, and are being generally adopted in all manufacturing below 0.25 microns. However, their adoption also places certain restrictions on layouts. We explore these restrictions, and then provide suggestions for layout practices that will facilitate the use of these technologies, especially the generation of a clean target layout for use as input layers for photomask preparation, and the use of verification tools that use process simulation.
Male slings for postprostatectomy incontinence. (2001)

Both male slings appear to be safe and effective procedures for treating PPI; however, longer follow-up and additional experience are needed to determine their true role in the treatment of PPI.
Optically active amines. XV. Action of (S)- and (R)-para-substituted amphetamine hydrochlorides and (.alpha.S)- and (.alpha.R)-p-chloronorephedrine and (.alpha.S)- and (.alpha.R)-p-chloronorpseudoephedrine hydrochlorides on the level of 5-hydroxytryptamine and the activity of tryptophan hydroxylase in rat brain (1974)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOptically active amines. XV. Action of (S)- and (R)-para-substituted amphetamine hydrochlorides and (.alpha.S)- and (.alpha.R)-p-chloronorephedrine and (.alpha.S)- and (.alpha.R)-p-chloronorpseudoephedrine hydrochlorides on the level of 5-hydroxytryptamine and the activity of tryptophan hydroxylase in rat brainHoward E. Smith, Elizabeth P. Burrows, Jeffrey D. Miano, Charles D. Mount, Elaine Sanders-Bush, and Fridolin SulserCite this: J. Med. Chem. 1974, 17, 4, 416–421Publication Date (Print):April 1, 1974Publication History Published online1 May 2002Published inissue 1 April 1974https://pubs.acs.org/doi/10.1021/jm00250a010https://doi.org/10.1021/jm00250a010research-articleACS PublicationsRequest reuse permissionsArticle Views93Altmetric-Citations13LEARN 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
Adversarial Robustness Curves (2019)

The existence of adversarial examples has led to considerable uncertainty regarding the trust one can justifiably put in predictions produced by automated systems. This uncertainty has, in turn, lead to considerable research effort in understanding adversarial robustness. In this work, we take first steps towards separating robustness analysis from the choice of robustness threshold and norm. We propose robustness curves as a more general view of the robustness behavior of a model and investigate under which circumstances they can qualitatively depend on the chosen norm.
Introduction to quantum electromagnetic circuits (2017)

Summary The article is a short opinionated review of the quantum treatment of electromagnetic circuits, with no pretension to exhaustiveness. This review, which is an updated and modernized version of a previous set of Les Houches School lecture notes, has three main parts. The first part describes how to construct a Hamiltonian for a general circuit, which can include dissipative elements. The second part describes the quantization of the circuit, with an emphasis on the quantum treatment of dissipation. The final part focuses on the Josephson nonlinear element and the main linear building blocks from which superconducting circuits are assembled. It also includes a brief review of the main types of superconducting artificial atoms, elementary multi‐level quantum systems made from basic circuit elements. Copyright © 2017 John Wiley &amp; Sons, Ltd.
Cold-preservation-induced sensitivity of rat hepatocyte function to rewarming injury and its prevention by short-term reperfusion (2000)

With increasing time of cold preservation, levels of high-energy nucleotides in the liver are reducing. The authors hypothesized that cold preservation sensitizes hepatocyte function to ischemic injury occurring during graft rewarming and that the injury can be prevented by short-term reperfusion. Rat livers were cold-preserved in University of Wisconsin solution for 0 to 18 hours and ischemically rewarmed for 0 to 45 minutes to simulate the implantation stage of transplantation. Hepatobiliary function was assessed using a blood-free perfusion model. In comparison with controls, neither 18-hour preservation nor 45-minute ischemic rewarming significantly influenced hepatocyte function. Compared with livers subjected to 45-minute ischemic rewarming, livers subjected to 9-hour preservation and 45-minute rewarming, and livers subjected to 18-hour preservation and 45-minute rewarming exhibited, respectively: 3.8 and 24 times reduced bile production, 4.3- and 116-fold decreased taurocholate excretion, and 3.1 and 42 times depressed bromosulfophthalein excretion. Thirty-minute oxygenated warm reperfusion after 9- and 18-hour preservation nearly completely blunted sensitization of hepatocyte function to rewarming ischemia. The authors found that short-term oxygenated reperfusion restored adenine nucleotides in liver tissue to the values found before organ preservation and that reperfusion with energy substrate containing solutions increased tissue adenosine triphosphate concentration to a higher level than that found before preservation. In conclusion, sensitization of hepatocyte function to rewarming ischemia increases disproportionally with storage time, suggesting that this phenomenon may play a role in graft dysfunctions with increasing liver preservation time. Short-term oxygenated reperfusion of the liver may protect hepatocyte functions against warm ischemic insult, even after extended preservation.
EUVE J0854+390: a New Cataclysmic Variable (2001)

We report the identification of a new CV in the field of EUVE J0854+390. The optical spectra show Balmer, He I and He II lines strongly in emission and indicates the source is a CV, probably magnetic.
La teoría de las fuerzas de Gilles Deleuze como alternativa al pensamiento dialéctico de Hegel (2010)

Protamine has been studied for its effect on changes in the protein-lipid composition of main fractions of blood lipoproteins in different periods (1- and 7-months) of hypercholesterolemia in rabbits. Daily introduction of protamine to intact animals for 30 days did not change the studied parameters. Results of analysis of the protamine action against the background of the 1-month hypercholesterolemia testify to an increase of the protein and cholesterin concentration in apoB-containing lipoproteins. A moderate increase of the cholesterin concentration in the HDL composition has been observed, the protein concentration remaining at high level. The atherogenic diet for 7 month has induced in animals subjected to its dyslipoproteinemia and atherosclerosis of vessels. Under these conditions protamine has inhibited "proatherogenic" alterations in the composition of lipoproteins. The concentration of protein, cholesterin and triglycerides in the apoB-containing fractions decreased and the concentration of total cholesterin and triglycerides in the blood serum fell considerably.
Early to Phase II drugs currently under investigation for the treatment of liver fibrosis (2014)

New in vitro and preclinical animal models, and the careful selection of patients with high disease dynamics for clinical studies, provide a sound basis for the clinical development of antifibrotic agents in humans. Surrogate parameters of liver function, inflammation, tissue remodeling and damage, as well as noninvasive imaging techniques, can be applied in clinical trials to provide fast readouts and novel and reliable endpoints for trial design, and provide an attractive regulatory environment for this emerging disease area.
Oxidative Coupling of Methane over Ultrafine Crystalline MgO Doped with Li. Role of Lower Coordinative Surface Sites Produced by Li-doping (1988)

Abstract A good parallel between the intensity of newly observed photoluminescence at around 450 nm with Li-doped MgO catalysts and their activity for oxidative coupling of methane was found, indicating that lower coorinative surface sites produced by incorporation of Li into MgO play a significant role in methane oxidative coupling.
SQIF-based dc SQUID amplifier with intrinsic negative feedback (2011)

We report on a two-stage system consisting of a dc SQUID magnetometer inductively coupled to an amplifying second stage realized by a SQIF. The SQIF is a series or parallel connection of dc SQUIDs with various inductances, which facilitates a unique global minimum in the voltage?flux characteristic and ensures a stable operating point, a high voltage swing and a large transfer function of the system. The noise of the amplified signal is dominated by the input stage and its voltage swing exceeds 1?mV, which reduces the demands on the readout electronics. A part of the current of the SQIF can optionally be fed back to the feedback coil of the first-stage SQUID, so that an on-chip linearization of the voltage?flux characteristic is realized. The short feedback path enables a substantially higher bandwidth compared to a flux-locked loop using a room temperature amplifier. From experimental results it can be expected that this set-up is capable of measuring magnetic fields with a high slew rate and dynamic range.
The Microenvironment within and Pollen Transmission through Polyethylene Sorghum Pollination Bags (2015)

Bird damage is a problem in sorghum breeding and germplasm maintenance operations. Paper pollination bags are damaged by rain and provide minimal deterrent to birds. Earlier we reported upon bird resistance of spun polyethylene pollination bags. Herein, we report the potential for pollen transmission through, and the microenvironment within, hard form (HfT) and soft form (SfT) spun polyethylene pollination bags as compared to traditional Paper pollination bags. Within Paper pollination bags morning temperatures were 10°C - 15°C above ambient and high temperature excursions as high as 45°C were measured. Heating in Sft and HfT was 25% and 50% that of Paper, respectively. Temperature differences between bags were attributed to differences in albedo and air permeability of the bag materials. No difference in pollen transmission through Paper and HfT was found. Although SfT allowed 35% - 40% wind borne pollen through the pores as compared to controls, male sterile plants covered with SfT produced only 30 seeds/panicle, about 1% of a self-pollinating fertile plant. Our results suggested that SfT could adequately reduce or eliminate cross-pollination in self-pollinating plants while maintaining near ambient environmental conditions.