gebhart/patrepeval huggingface dataset:
Using Syntax-Based Machine Translation to Parse English into Abstract Meaning Representation (2015)

We present a parser for Abstract Meaning Representation (AMR). We treat English-to-AMR conversion within the framework of string-to-tree, syntax-based machine translation (SBMT). To make this work, we transform the AMR structure into a form suitable for the mechanics of SBMT and useful for modeling. We introduce an AMR-specific language model and add data and features drawn from semantic resources. Our resulting AMR parser improves upon state-of-the-art results by 7 Smatch points.
A microfluidic device for label-free isolation of tumor cell clusters from unprocessed blood samples (2019)

Primary cancers disseminate both single circulating tumor cells (CTCs) and CTC “clusters,” the latter of which have been shown to demonstrate greater metastatic propensity and adverse impact on prognosis. Many devices developed to isolate single CTCs also capture CTC clusters, but there is translational potential for a platform specifically designed to isolate CTC clusters. Herein, we introduce our microfluidic device for isolating CTC clusters (“Microfluidic Isolation of CTC Clusters” or MICC), which is equipped with ∼10 000 trap chambers that isolate tumor cell clusters based on their large sizes and dynamic force balance against a pillar obstacle in the trap chamber. Whole blood is injected, followed by a wash step to remove blood cells and a final backflush to release intact clusters for downstream analysis. Using clusters from tumor cell-line and confocal microscopy, we verified the ability of the MICC platform to specifically capture tumor cell clusters in the trap chambers. Our flow rate optimization experiments identified 25 μl/min for blood injection, 100 μl/min as wash flow rate, and 300 μl/min as the release flow rate – indicating that 1 ml of whole blood can be processed in less than an hour. Under these optimal flow conditions, we assessed the MICC platform’s capture and release performance using blood samples spiked with different concentrations of clusters, revealing a capture efficiency of 66%–87% and release efficiency of 76%–90%. The results from our study suggest that the MICC platform has the potential to isolate CTC clusters from cancer patient blood, enabling it for clinical applications in cancer management.
The 7-norbornadienyltricarbonyliron cation (1968)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe 7-norbornadienyltricarbonyliron cationDonald F. Hunt, C. Peter Lillya, and Marvin D. RauschCite this: J. Am. Chem. Soc. 1968, 90, 10, 2561–2568Publication Date (Print):May 1, 1968Publication History Published online1 May 2002Published inissue 1 May 1968https://pubs.acs.org/doi/10.1021/ja01012a021https://doi.org/10.1021/ja01012a021research-articleACS PublicationsRequest reuse permissionsArticle Views89Altmetric-Citations21LEARN 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
Conversion of Androgen Receptor Signaling From a Growth Suppressor in Normal Prostate Epithelial Cells to an Oncogene in Prostate Cancer Cells Involves a Gain of Function in c-Myc Regulation (2014)

In normal prostate, androgen-dependent androgen receptor (AR) signaling within prostate stromal cells induces their secretion of paracrine factors, termed "andromedins" which stimulate growth of the epithelial cells. The present studies demonstrate that androgen-dependent andromedin-driven growth stimulation is counter-balanced by androgen-induced AR signaling within normal adult prostate epithelial cells resulting in terminal G0 growth arrest coupled with terminal differentiation into ΔNp63-negative, PSA-expressing secretory luminal cells. This cell autonomous AR-driven terminal differentiation requires DNA-binding of the AR protein, is associated with decreases in c-Myc m-RNA and protein, are coupled with increases in p21, p27, and SKP-2 protein expression, and does not require functional p53. These changes result in down-regulation of Cyclin D1 protein and RB phosphoryation. shRNA knockdown documents that neither RB, p21, p27 alone or in combination are required for such AR-induced G0 growth arrest. Transgenic expression of a constitutive vector to prevent c-Myc down-regulation overrides AR-mediated growth arrest in normal prostate epithelial cells, which documents that AR-induced c-Myc down-regulation is critical in terminal growth arrest of normal prostate epithelial cells. In contrast, in prostate cancer cells, androgen-induced AR signaling paradoxically up-regulates c-Myc expression and stimulates growth as documented by inhibition of both of these responses following exposure to the AR antagonist, bicalutamide. These data document that AR signaling is converted from a growth suppressor in normal prostate epithelial cells to an oncogene in prostate cancer cells during prostatic carcinogenesis and that this conversion involves a gain of function for regulation of c-Myc expression.
Vanadium Dioxide Phase Change Switches (2015)

The thermally driven metal insulator transition in vanadium dioxide (VO2) is used to create a low loss millimeter wave switch which operates up to and beyond W-band frequencies. We have built RF switches using vanadium dioxide thin films fabricated within a section of inverted transmission line with integrated on chip heaters to provide local thermal control. On heating the films above the metal insulator transition we obtain record low switch insertion loss of 0.13 dB at 50 GHz and 0.5 dB at 110 GHz. The switch cut-off frequency is high, fc ~ 45 THz, due to the low on state resistance and off state capacitance. We have investigated the device physics of these switches including self-latching of the devices under high RF powers, and demonstrated their integration with silicon germanium RF circuits where the switch heater current sources and control logic are also integrated into the same silicon germanium circuit.
GATEKEEPER: mostly static enforcement of security and reliability policies for javascript code (2009)

The advent of Web 2.0 has lead to the proliferation of client-side code that is typically written in JavaScript. This code is often combined — or mashed-up — with other code and content from disparate, mutually untrusting parties, leading to undesirable security and reliability consequences. This paper proposes GATEKEEPER, a mostly static approach for soundly enforcing security and reliability policies for JavaScript programs. GATEKEEPER is a highly extensible system with a rich, expressive policy language, allowing the hosting site administrator to formulate their policies as succinct Datalog queries. The primary application of GATEKEEPER this paper explores is in reasoning about JavaScript widgets such as those hosted by widget portals Live.com and Google/IG. Widgets submitted to these sites can be either malicious or just buggy and poorly written, and the hosting site has the authority to reject the submission of widgets that do not meet the site’s security policies. To show the practicality of our approach, we describe nine representative security and reliability policies. Statically checking these policies results in 1,341 verified warnings in 684 widgets, no false negatives, due to the soundness of our analysis, and false positives affecting only two widgets. 1
Four-, five-, and six-coordinate complexes of nickel(II) with the macrocyclic ligand 2,4,4-trimethyl-10,11-benzo-1,5-diaza-8,13-dithiacyclopentadeca-1,10-diene (1973)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTFour-, five-, and six-coordinate complexes of nickel(II) with the macrocyclic ligand 2,4,4-trimethyl-10,11-benzo-1,5-diaza-8,13-dithiacyclopentadeca-1,10-dieneF. L. Urbach and D. H. BuschCite this: Inorg. Chem. 1973, 12, 2, 408–411Publication Date (Print):February 1, 1973Publication History Published online1 May 2002Published inissue 1 February 1973https://doi.org/10.1021/ic50120a034RIGHTS & PERMISSIONSArticle Views69Altmetric-Citations18LEARN 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 InReddit PDF (505 KB) Get e-Alerts Get e-Alerts
High Proton Polarization by Microwave-Induced Optical Nuclear Polarization at 77 K (2000)

Protons in naphthalene and p-terphenyl doped with pentacene have been polarized up to 32% and 18%, respectively, at liquid nitrogen temperature in a magnetic field of 0.3 T by means of microwave-induced optical nuclear polarization. The polarization was measured by nuclear magnetic resonance as well as by the neutron transmission method. The relaxation time of the proton polarization at 0.0007 T and 77 K was found to be almost 3 h and the polarization enhancement reached a record value of 8x10(4). The usefulness of the method in many areas of physics and chemistry is discussed.
Activation of Ras by Grb2-SOS: Demonstrating an Assembly Role of SH3 Domains (2003)

The animation shows a schematic representation of the assembly role of SH3 domain-containing proteins using Grb2 as an example. Growth factor stimulation leads to the activation of receptor tyrosine kinases and to the phosphorylation of the receptor tail and the stimulation of phosphorylation of related adaptor proteins (not shown). The resultant phosphotyrosines form docking sites for the adaptor protein Grb2 (through its SH2 domain). The Grb2 SH3 domains bind proline-rich motifs in SOS, the guanine nucleotide exchange factor for Ras, recruiting SOS to the membrane and colocalizing it with Ras. The resultant stimulation of Ras activates a mitogen-activated protein kinase cascade, leading to cell growth and differentiation. The animation could be useful in demonstrating how different protein domains allow dynamic regulation of protein activity, protein assembly, and protein recruitment, allowing cells to respond to signals from their extracellular environment. [ Resource Details ]
Peroxisome proliferator-activated receptor gamma activators inhibit cardiac hypertrophy in cardiac myocytes. (2001)

These results demonstrate that PPARgamma activators inhibit cardiac hypertrophy in cardiac myocytes and suggest that PPARgamma activators may regulate cardiomyocyte hypertrophy at least partially through the NF-kappaB pathway.
2-Hydroxy-luisol A, a New Quinone-derived Tetraol from a Marine Streptomyces sp. and Oxidation Products of Luisol A* (2011)

In addition to luisol A (1a), luisol B (2), and aloesaponarin II, the marine streptomycete B7617 produced a new derivative of 1a, 2-hydroxy-luisol A (1b). In an attempt to increase the biological activity, luisol A (1a) was oxidized and delivered with Jones reagent or by Swern oxidation the derivatives 3a/3b and 4a/4b, respectively, but none of these compounds showed antimicrobial or cytotoxic activities. All structure elucidations are based on 2D NMR analyses or were derived by comparison with published data.
Does abnormal insulin action or insulin secretion explain the increase in prevalence of impaired glucose metabolism with age in populations of different ethnicities? (2010)

The age-related increase in glucose intolerance may not be fully explained by the defect in HOMA-IR and HOMA-B. As HOMA-IR and HOMA-B are only surrogate measures of insulin sensitivity and insulin secretion, the results need to be further investigated.
First total synthesis of (±)-hyperolactone A (1997)

D. Ichinari, T. Ueki, K. Yoshihara and T. Kinoshita, Chem. Commun., 1997, 1743 DOI: 10.1039/A704159D
Antenna-coupled millimeter-wave LiNbO/sub 3/ electro-optic modulator (2005)

The phase-velocity mismatch due to material dispersion in traveling-wave LiNbO_3 optical&#13;\nwaveguide modulators may be greatly reduced by breaking the modulation transmission line into short&#13;\nsegments and connecting each segment to its own surface antenna. The array of antennas is then&#13;\nilluminated by the modulation signal at an angle which produces a delay from antenna to antenna to&#13;\nmatch the optical waveguide's delay.
Adjusting conformational switching behavior of helical polycarbodiimides through substituent induced polarity effects (2010)

Abstract Recent discoveries on the improved versatility of helical polycarbodiimides capable of undergoing low energy reversible conformational changes from realignment of their restricted polyarene pendant groups has led to seven new polycarbodiimides that each present unique information in regards to how the electronics and connectivity of the arene π‐system play a crucial role in the behavior of these polymers. In addition to their individual anomalous behavior, this series of functional polymers unlock new answers toward the global understanding of the governing forces behind this complex switching process. Through the incorporation of functional groups covalently attached to the naphthalene pendant, dramatic changes and new application of these systems are realized. Variable temperature polarimetry is used to observe the reversible conformational changes of these chiral polymers. © 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2011
Pragmatic fully 3D image reconstruction for the MiCES mouse imaging PET scanner (2004)

We present a pragmatic approach to image reconstruction for data from the micro crystal elements system (MiCES) fully 3D mouse imaging positron emission tomography (PET) scanner under construction at the University of Washington. Our approach is modelled on fully 3D image reconstruction used in clinical PET scanners, which is based on Fourier rebinning (FORE) followed by 2D iterative image reconstruction using ordered-subsets expectation-maximization (OSEM). The use of iterative methods allows modelling of physical effects (e.g., statistical noise, detector blurring, attenuation, etc), while FORE accelerates the reconstruction process by reducing the fully 3D data to a stacked set of independent 2D sinograms. Previous investigations have indicated that non-stationary detector point-spread response effects, which are typically ignored for clinical imaging, significantly impact image quality for the MiCES scanner geometry. To model the effect of non-stationary detector blurring (DB) in the FORE+OSEM(DB) algorithm, we have added a factorized system matrix to the ASPIRE reconstruction library. Initial results indicate that the proposed approach produces an improvement in resolution without an undue increase in noise and without a significant increase in the computational burden. The impact on task performance, however, remains to be evaluated.
Analytical study of pre-cooled turbojet engine for TSTO Spaceplane (2001)

Authors are investigating a concept of pre-cooled turbojet engine for Two-Stage-To-Orbit (TSTO) spaceplane. In this study, the engine system is designed with some assumptions. Technological problems and operational limits of the engine are clarified by an engine performance analysis. Then, flight performance of the engine is compared with some air-breathing engines such as: pre-cooled air turbo ramjet, turbo-ramjet and rocket-ramjet Sizes and mass of engines are estimated by analogical estimations with use of a database of existing engines. As a result, pre-cooled engines brought better payload performance than other engines.
Soiling Forecasting in Large Grid-Connected PV Plants and experience in Spain (2021)

Soiling of PV modules is an issue causing non–Soiling of PV modules is an issue causing non–negligible losses on PV systems. Cleaning activity is the most common way to mitigate soiling. The impact of this cleaning activity can be significant, both in terms of cost and resources consumption. For these reasons, it is important to monitor and predict soiling profiles and establish the optimal cleaning time. Especially in locations where the raining is irregular, it is also important to know how precipitation affects soiling ratio. This paper presents the results of soiling analysis and forecasting experience in large grid-connected PV plants in Spain (above 200 MW), proposing a model that helps the decision-making process of the cleaning scheduling.
Functional vagotopy in the cervical vagus nerve of the domestic pig: implications for the study of vagus nerve stimulation (2020)

The vagotopy observed via histology may be advantageous to exploit in design of electrodes/stimulation paradigms. We also placed our data in context of historic and recent histology spanning multiple models, thus providing a comprehensive resource to understand similarities and differences across species.
Periodic Nanopillar N-I-P Amorphous Si Photovoltaic Cells Using Carbon Nanotube Scaffolds (2014)

Arrays of periodic one-dimensional nanomaterials offer tunable optical properties in terms of light-matter interaction which are attractive for designing efficient optoelectronic devices. This paper presents a fabrication of bottom-up grown nanopillar (NP) array solar cells based on n-i-p thin-film amorphous silicon using scaffolds of vertically aligned carbon nanotube (CNT) array. The effects of varying the CNT spacing over the range from 800 to 2000 nm on optical and electrical properties of the solar cells were investigated. The NP solar cell with CNT spacing of 800 nm exhibited `moth-eye' broadband antireflection behavior, showing an average reflectance value lower than 10%. The enhanced optical absorption translated to significant enhancements in photocurrent and quantum efficiency compared to a conventional planar solar cell under low light condition. The open-circuit voltage (V <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">oc</sub> ) of the NP solar cell was found systematically correlated with the CNT spacing and the illumination condition. The results presented here is of importance for developing high efficiency one-dimensional nanostructured solar cells.
Classical Print Reflection Models: A Radiometric Approach (2004)

The present contribution reviews the classical print prediction models of Williams and Clapper and of Clapper and Yule by pursuing a radiometric approach. The relationship between these models is established and the related respective contributions of Judd, Saunderson and Shore and Spoonhower are highlighted. Thanks to the radiometric approach, variants of the Williams and Clapper and Clapper and Yule models are derived in order to account for different measuring geometries (integrated sphere, 45&#xB0;/0&#xB0; geometry or other bistatic geometries) and for different reference white reflectors (coated paper, perfect white diffuser). The radiometric approach presented here gives a more profound understanding of these models and of the corresponding physical phenomena.
Pyrrolizidine Alkaloids from Onosma leptantha (2003)

Abstract Three new pyrrolizidine alkaloids, leptanthine ( 2 ), its corresponding N ‐oxide 1 , and N ‐oxide of 3′‐ O ‐acetylechihumiline ( 3 ), were isolated from the aerial parts of Onosma leptantha , together with two known alkaloids of the same type, echihumiline ( 5 ) and echihumiline N ‐oxide ( 4 ). Their structures and configurations were determined by chemical and spectroscopic methods, especially 1D and 2D NMR analyses, including long‐range 1 H, 15 N correlations at natural abundance.
Monolayer Degradation and Vapor Deposited Bound + Mobile Lubrication In MEMS. (2007)

Abstract not provided.
Quantum Dots for LED Downconversion in Display Applications (2012)

Quantum dots (QDs) are now on the verge of widespread adoption in display applications, after 25 years of scientific research and over a decade of commercialization efforts. This is the result of a combination of industry trends such as liquid crystal displays (LCDs) and light emitting diode (LED) backlight units (BLUs), combined with improvements in QD performance and manufacturing that have taken place across the growing QD ecosystem of Universities, National Labs, and private and public companies. As QDs emerge as a viable choice as downconversion materials in LED backlit LCD displays, they have the potential to be employed in several geometries within these otherwise similar display systems. In all geometries, QD LCDs will provide the broadest available color gamut to the user, in addition to potential benefits in power efficiency, brightness, and contrast. This work will summarize QD properties and advantages in such LED backlit LCDs relative to other competitive downconversion materials, as well as compare and contrast the three primary geometries that will likely be explored during the pursuit of a potentially dominant design.
Data fusion for automated driving: An introduction (2022)

Abstract Data fusion is one of the key ingredients of Advanced Driver Assistance Systems (ADAS) and Automated Driving Systems (ADS). The article provides an introduction into the field by highlighting different possible data fusion categorizations and architectures alongside pros and cons. Benefits, limitations, and pitfalls of exemplary data fusion systems are presented, and the consequences of specific design choices discussed.
Investigation on arc light intensity in gas metal arc welding. Part 1: Relationship between arc light intensity and arc length (1997)

The arc length has been detected through the arc because the welding current and voltage vary linearly with the arc length. In this work, the relationship between the arc light intensity and arc length is investigated through analytic modelling. The arc light intensity is derived as a function of the arc length and welding current using the heat balance in the plasma. Experiments are carried out to verify the proposed model and to find out the effects of welding conditions on the arc light intensity in gas metal arc welding (GMAW). The arc light intensity varies proportionally to the arc length and signal quality is enhanced with a fast weaving speed. The predicted results of the arc light intensity show reasonably good agreement with the experimental data.