gebhart/patrepeval huggingface dataset:
A low phase noise 2.0 V 900 MHz CMOS voltage controlled ring oscillator (2004)

A CMOS voltage controlled ring oscillator with quadrature output is presented. The circuit is designed in a 0.18 /spl mu/m CMOS process and operates on a 2.0 V supply. The VCO has a tuning range of 650 MHz to 1.04 GHz. At 913 MHz the VCO has a phase noise of -116.55 dBc/Hz at a frequency offset of 600 KHz. The average power consumed at 913 MHz is 18.95 mW.
Attaining a solar energy economy with active thin film structures (1995)

First, quantitative arguments are presented which support the conclusion that the probability is high for the United States to attain a solar energy economy in the relatively near future. The basis of the arguments is the use of four active thin film structures: (a) electrochromic windows for energy conservation; (ii) thin film photovoltaic cells for energy conversion; (iii) thin film batteries; and (iv) thin film fuel cells for portable energy storage and delivery. The second part of the article focuses on the pivotal role for thin film deposition processes, and particular attention is paid to some of the deposition challenges presented by two of the structures, thin film electrochromic windows and batteries.
ANALISIS PENGARUH MEKANISME TATA KELOLA PERUSAHAAN DAN MANAJEMEN LABA TERHADAP LIKUIDITAS PASAR SAHAM (2014)

The aim of this study is to examine the influence of corporate governance mechanisms and earnings management on trading volume . The population of this study is manufacturing companies listed on the Indonesia Stock Exchange from 2009 to 2011. Sampling is done by using purposive sampling method. Sample of this study is composed of 177 companies during the 3-years observation. Hypotesis are tested by the use of multiple regression analysis. The results showed that board independence and earnings management has no significant effect on trading volume, while public ownership has significant effect on trading volume. Higher public ownership tends to higher the trading volume.
Polarised photoluminescence from oriented polymer liquid crystal films (1997)

Optical anisotropy in a new form of crosslinked liquid crystal network incorporating a fluorescent chromophore has been demonstrated. Linearly polarised absorption and fluorescence is observed in oriented thin films. From measurement of absorption and fluorescence anisotropy, the order parameter was found to be 0.65 and 0.80, respectively. Temperature dependent birefringence measurements reveal that there is no appreciable loss of alignment up to 200 °C.
Use of Machine Learning to Automate the Identification of Basketball Strategies Using Whole Team Player Tracking Data (2019)

The use of machine learning to identify and classify offensive and defensive strategies in team sports through spatio-temporal tracking data has received significant interest recently in the literature and the global sport industry. This paper focuses on data-driven defensive strategy learning in basketball. Most research to date on basketball strategy learning has focused on offensive effectiveness and is based on the interaction between the on-ball player and principle on-ball defender, thereby ignoring the contribution of the remaining players. Furthermore, most sports analytical systems that provide play-by-play data is heavily biased towards offensive metrics such as passes, dribbles, and shots. The aim of the current study was to use machine learning to classify the different defensive strategies basketball players adopt when deviating from their initial defensive action. An analytical model was developed to recognise the one-on-one (matched) relationships of the players, which is utilised to automatically identify any change of defensive strategy. A classification model is developed based on a player and ball tracking dataset from National Basketball Association (NBA) game play to classify the adopted defensive strategy against pick-and-roll play. The methodology described is the first to analyse the defensive strategy of all in-game players (both on-ball players and off-ball players). The cross-validation results indicate that the proposed technique for automatic defensive strategy identification can achieve up to 69% accuracy of classification. Machine learning techniques, such as the one adopted here, have the potential to enable a deeper understanding of player decision making and defensive game strategies in basketball and other sports, by leveraging the player and ball tracking data.
Open "Back Door" in a Molecular Dynamics Simulation of Acetylcholinesterase (1994)

The enzyme acetylcholinesterase generates a strong electrostatic field that can attract the cationic substrate acetylcholine to the active site. However, the long and narrow active site gorge seems inconsistent with the enzyme's high catalytic rate. A molecular dynamics simulation of acetylcholinesterase in water reveals the transient opening of a short channel, large enough to pass a water molecule, through a thin wall of the active site near tryptophan-84. This simulation suggests that substrate, products, or solvent could move through this "back door," in addition to the entrance revealed by the crystallographic structure. Electrostatic calculations show a strong field at the back door, oriented to attract the substrate and the reaction product choline and to repel the other reaction product, acetate. Analysis of the open back door conformation suggests a mutation that could seal the back door and thus test the hypothesis that thermal motion of this enzyme may open multiple routes of access to its active site.
Preimplantation development of mouse oocytes activated by different levels of human phospholipase C zeta (2007)

Human PLCzeta can readily activate mouse oocytes, however, effective development to blastocyst stages is only achieved within a specific window of hPLCzeta-luc protein expression levels.
A new efficient algorithm for online measurement of power system quantities (2005)

This paper presents an alternative approach for real time measurement of all electrical quantities in a power system signal based on a new least squares algorithm. The advantage of this approach is that the least squares algorithm is an easy to understand, fast and cheap method that can be applied to track changes in power system quantities rapidly. The technique can be used to accurately evaluate the rms voltage and rms current magnitudes and phase angle of each harmonic component directly from single measurements of the voltage and current. Once these values have been evaluated all other quantities such as average power and power factor can be readily calculated. Computer simulation is used to evaluate the algorithm's accuracy. The results confirm the structural robustness of the proposed algorithm with respect to noise and distortions in the waveforms being measured.
Biomolecule detection via target mediated nanoparticle aggregation and dielectrophoretic impedance measurement (2005)

A new biosensing system is described that is based on the aggregation of nanoparticles by a target biological molecule and dielectrophoretic impedance measurement of these aggregates. The aggregation process was verified within a microchannel via fluorescence microscopy, demonstrating that this process can be used in a real time sensor application. Positive dielectrophoresis is employed to capture the nanoparticle aggregates at the edge of thin film electrodes, where their presence is detected either by optical imaging via fluorescence microscopy or by measuring the change in electrical impedance between adjacent electrodes. The electrical detection mechanism demonstrates the potential for this method as a micro total analysis system (microTAS).
[Development of vaccine for enterohemorrhagic Escherichia coli infection]. (2002)

Efforts on the development of vaccines against enterohemorrhagic Escherichia coli (EHEC) infection has been described in this review. Two kinds of vaccines were developed and these have been targeted for in humans and cattle. One vaccine candidate is toxoid, which uses an inactive form of Shiga toxin(Stx). A part of B subunit, each B or A subunit or one or two amino acid mutated holotoxin were developed as a toxoid vaccine candidate. The other candidate was bacterial surface antigen such as a live attenuated EHEC and hybrid between non-toxic LPS and toxoid. A live attenuated vaccine against EHEC O26: H11, O157: H7, O139: H1 were developed. Further a live attenuated vaccine candidate of Vibrio cholerae O1 expressing Stx1-B, Shigella flexneri expressing S. dysenteriae O-antigen and Stx1-B, or Salmonella Typhimurium expressing O111 antigen were developed. Hybrid type vaccine candidates were also developed with O111 LPS and tetanus toxoid, O157 LPS and exotoxin, and O157 LPS and Stx1-B.
A methodology for sensor modeling and placement optimization to support temperature monitoring (2012)

This paper presents a modeling and optimization approach for sensor placement in a building zone that supports reliable environment monitoring.
Surface-Enhanced Fluorescence on SiO<sub>2</sub>-Coated Silver Island Films (1999)

Fluorescence is one of the molecular spectroscopic properties that is enhanced by placing the molecule on the rough surface of a coinage metal. The surface-enhanced fluorescence (SEF) can be directly observed in steady-state fluorescence experiments. The observations are the results of a delicate balance between the enhanced emission and the quenching due to energy transfer to nonradiative surface plasmons. In the present report, SiO 2 -coated silver films were fabricated at varying dielectric thickness. The surface of the films was analyzed with the use of atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS). AFM confirms the surface roughness and XPS analysis indicates that the SiO 2 coverage was successful. SEF and SERS (surface-enhanced Raman scattering) were observed on active 6, 10, and 14 nm silver films coated with SiO 2 . Similar results were obtained with a 6 nm silver film coated with 6 nm SiO. The SEF work was carried out on fluorescent molecules with different quantum yield, and the typical enhancement factor obtained for the fluorescent signal was approximately 10. Both the SiO 2 and SiO overlayers provide stable surfaces with well-defined hydrophilic properties. Such stable constructions have applicability towards the advancement of SERS and SEF as routine analytical techniques in bio- and chemical sensors.
The association of heavy and light chain variable domains in antibodies: implications for antigen specificity (2011)

The antigen-binding site of immunoglobulins is formed by six regions, three from the light and three from the heavy chain variable domains, which, on association of the two chains, form the conventional antigen-binding site of the antibody. The mode of interaction between the heavy and light chain variable domains affects the relative position of the antigen-binding loops and therefore has an effect on the overall conformation of the binding site. In this article, we analyze the structure of the interface between the heavy and light chain variable domains and show that there are essentially two different modes for their interaction that can be identified by the presence of key amino acids in specific positions of the antibody sequences. We also show that the different packing modes are related to the type of recognized antigen.
Electrochemical Characteristics of Spinel Phase LiMn2 O 4‐Based Cathode Materials Prepared by the Pechini Process: Influence of Firing Temperature and Dopants (1996)

In the past ten years, ‐based spinels have been extensively studied as positive electrode materials for lithium‐ion batteries. Our ongoing investigations have shown that the Pechini process, a low temperature synthetic method that often yields inorganic oxides of excellent phase purity and well‐controlled stoichiometry, is very effective for preparing ‐based cathode materials. It also has been shown that different firing temperatures and the selective doping of both produce materials with different electrochemical characteristics that merit further exploration.
High-resolution solid-state 13C14N and 13C15N heteronuclear correlation spectroscopy (1990)

Two-dimensional heteronuclear correlation spectroscopy is applied to coupled carbon and nitrogen nuclei in single crystals of amino acids and peptides. High resolution is available because the spectra have the carbon chemical shift along one frequency axis and the nitrogen chemical shift (and the second-order quadrupole shift in the case of 14N) along the second frequency axis. These two-dimensional spectra enable direct measurements of resonance frequencies and dipole-dipole couplings that are useful in providing information about the structure, dynamics, and spectral characteristics of molecules.
The heparin and pentosan polysulfate binding sites of human antithrombin overlap but are not identical (1989)

Four sulfated polysaccharides (unfractioned heparin, low-molecular-mass heparin, heparan sulfate and pentosan polysulfate) were investigated for their abilities (a) to bind antithrombin, (b) to induce conformational change of the inhibitor and (c) to potentiate antithrombin inhibition of thrombin. The binding capacity was reflected by the shielding of the heparin binding site. This was characterized by the extent to which a polysaccharide could protect chemical modification of Lys-125 and Lys-136, two lysyl residues of antithrombin which have been implicated in heparin binding. The conformational change was measured by fluorescence enhancement and the increased accessibility of Lys-236 to chemical modification. Our results reveal that the events of polysaccharide binding, conformational change and the enhancement of inhibitory activity are not quantitatively interlinked. Compared to the unfractionated heparin on an equal mass basis, the low-molecular-mass heparin (molecular mass 4-6 kDa) binds more strongly to antithrombin, induces a greater conformational change (about twofold), but is less potent in accelerating the inhibitory activity. Both heparin and heparan sulfate shield Lys-125 and Lys-136 and induce a conformational change that leads to exposure of Lys-236 and an increased fluorescence. On the other hand, pentosan polysulfate protects only Lys-125 and causes no appreciable conformational change, although it is also capable of enhancing the antithrombin-thrombin interaction. These data clearly demonstrate that the heparin and pentosan polysulfate binding sites of antithrombin overlap (at Lys-125) but are not identical.
Total synthesis of bongkrekic acid (1984)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTotal synthesis of bongkrekic acidE. J. Corey and Alfonso TramontanoCite this: J. Am. Chem. Soc. 1984, 106, 2, 462–463Publication Date (Print):January 1, 1984Publication History Published online1 May 2002Published inissue 1 January 1984https://pubs.acs.org/doi/10.1021/ja00314a056https://doi.org/10.1021/ja00314a056research-articleACS PublicationsRequest reuse permissionsArticle Views1000Altmetric-Citations61LEARN 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-AlertscloseSupporting Info (1)»Supporting Information Supporting Information Get e-Alerts
Laser-Induced Breakdown Spectroscopy (LIBS) for the Rapid Field Identification and Classification of Pathogenic Bacteria (2010)

LIBS has been utilized to spectrally fingerprint multiple species of bacteria. Differences in the atomic composition of these bacteria allow a real-time classification and identification of unknown samples after a computerized chemometric analysis.
Pac-Bayesian Supervised Classification: The Thermodynamics of Statistical Learning (2007)

This monograph deals with adaptive supervised classification, using tools borrowed from statistical mechanics and information theory, stemming from the PACBayesian approach pioneered by David McAllester and applied to a conception of statistical learning theory forged by Vladimir Vapnik. Using convex analysis on the set of posterior probability measures, we show how to get local measures of the complexity of the classification model involving the relative entropy of posterior distributions with respect to Gibbs posterior measures. We then discuss relative bounds, comparing the generalization error of two classification rules, showing how the margin assumption of Mammen and Tsybakov can be replaced with some empirical measure of the covariance structure of the classification model.We show how to associate to any posterior distribution an effective temperature relating it to the Gibbs prior distribution with the same level of expected error rate, and how to estimate this effective temperature from data, resulting in an estimator whose expected error rate converges according to the best possible power of the sample size adaptively under any margin and parametric complexity assumptions. We describe and study an alternative selection scheme based on relative bounds between estimators, and present a two step localization technique which can handle the selection of a parametric model from a family of those. We show how to extend systematically all the results obtained in the inductive setting to transductive learning, and use this to improve Vapnik's generalization bounds, extending them to the case when the sample is made of independent non-identically distributed pairs of patterns and labels. Finally we review briefly the construction of Support Vector Machines and show how to derive generalization bounds for them, measuring the complexity either through the number of support vectors or through the value of the transductive or inductive margin.
The Catalysis of Eder's Reaction by Cobalt Compounds<sup>1</sup> (1933)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Catalysis of Eder's Reaction by Cobalt Compounds1G. H. Cartledge and T. G. DjangCite this: J. Am. Chem. Soc. 1933, 55, 8, 3214–3221Publication Date (Print):August 1, 1933Publication History Published online1 May 2002Published inissue 1 August 1933https://pubs.acs.org/doi/10.1021/ja01335a025https://doi.org/10.1021/ja01335a025research-articleACS PublicationsRequest reuse permissionsArticle Views60Altmetric-Citations5LEARN 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
Current collection at the shuttle orbiter during TSS‐1R high voltage charging (1998)

We compare measurements of collected currents and Space Shuttle Orbiter potentials, taken during the Tethered Satellite System (TSS) missions, with predictions of a numerical model. The model assumes thin potential sheaths about the Orbiter and contributions from both ram and thermal currents. It was originally developed to explain the smaller than expected Orbiter charging detected throughout the first TSS mission (TSS‐1). During periods of the TSS reflight (TSS‐1R) when the Orbiter potential was > −100 V the model effectively described current collection. Deviations from model predictions appeared at more negative potentials. These indicate bounds of applicability for the model and the growing importance of unaccounted physical processes. Data acquired near the time of the tether break suggest that additional current during the break was carried by secondary ions created in collisions between surface‐generated electrons and ambient neutrals within the Orbiter's high‐voltage sheath.
An Ultrasonic Pressure Gage (1967)

The transit time of short ultrasonic pulses in solid rods is used to measure pressures throughout the fluid range. Self-excited regenerating circuits are used. Measurements to 3500 bar with an uncertainty of 0.3 bar and to 20 kb with an uncertainty of 2 bar are reported. Further improvements, temperature compensation, and stability are discussed.
A prospective randomized trial of blastocyst culture and transfer in in- vitro fertilization (1998)

The effectiveness of blastocyst culture and transfer in human in-vitro fertilization (IVF) was evaluated in a prospective randomized trial in patients having a moderate to good response to gonadotrophin stimulation. Embryos were transferred either on day 3 after culture to around the 8-cell stage in Ham's F-10 medium supplemented with fetal cord serum, or on day 5 after culture to the blastocyst stage in the sequential serum-free media G 1.2 and G 2.2. The pregnancy rates after transfer on day 3 or day 5 were equivalent, 66 and 71% respectively; however, significantly more embryos were transferred on day 3 (3.7) than on day 5 (2.2). The number of blastocysts transferred did not affect the implantation rate, and pregnancy rates when either two or three blastocysts were transferred were 68 and 87% respectively. The implantation rate of the blastocysts (50.5% fetal heart beat) was significantly higher compared to the cleavage stage embryos transferred on day 3 (30.1%). The percentage of blastocyst development was not affected by the number of 2-pronuclear embryos, or by maternal age. Irrespective of the number of blastocysts formed, pregnancy rates were similar. Furthermore, the pregnancy rate following blastocyst transfer in patients with 10 or more follicles at the time of human chorionic gonadotrophin administration was not affected by patient age. More than 60% of patients having blastocyst culture and transfer had supernumerary embryos for cryopreservation. The establishment of a pregnancy following thaw and transfer confirmed the viability of cryopreserved blastocysts cultured in the absence of serum or co-culture. The ability to transfer just two blastocysts while maintaining high pregnancy rates will therefore help to eliminate high order multiple gestations and improve the overall efficiency of human IVF.