gebhart/patrepeval huggingface dataset:
High-speed videotopographic measurement of tear film build-up time. (2002)

High-speed videotopography provides the possibility of quantitative measurement of tear-film dynamics and may have clinical value in the management of ocular surface disorders. After a blink, it takes the tear film approximately 3 to 10 seconds (tear film build-up time) to reach the most regular state. However, despite surface-regularity changes, the measured corneal powers are stable.
Geometric algorithms for delineating geographic regions (2006)

Everyone of us is used to geographical regions like the south of Utrecht, the dutch Randstad, or the mountainous areas of Austria. Some of these regions have crisp, fixed boundaries like Utrecht or Austria. Others, like the dutch Randstad and the Austrian mountains, have no such boundaries and are used in a more loose sense. However, sometimes it is neccessary to have crisp boundaries for such regions, in order to be able to answer questions like 'How many people under 25 live in the Randstad?' or 'Are there any 4 star hotels in the south of Utrecht?'. Without reasonable boundaries for these imprecisely defined regions, it is not possible to give answers to these questions. Such questions are common in geographic information systems and retrieval (GIS and GIR), but also need to be answered by Web search engines. The main topic of this thesis is to delineate imprecise regions like the ones above to aid in answering queries in GIS and GIR as well as in visualization, by using strictly geometric, algorithmic methods. In Chapters 2, 3, and 4, we present various, efficient methods to delineate boundaries for a number of imprecise regions. Chapter 2 gives three suggestions on how to divide a country into four parts that represent its north, east, west, and south. We give efficient algorithms to compute these parts and compare the results by using ten european country outlines. Chapter 3 presents two main approaches to delineate more general imprecise regions, like the dutch Randstad. We start by using the Internet as a database to classify a number of towns as inside or outside the region. It is possible that some errors are made in the classification of towns. Both approaches aim to derive reasonable boundaries for the region, such that they include (most of) the points classified as inside, and exclude (most of) the points classified as outside. Chapter 4 presents several methods to compute scale-dependent maps for gradient and aspect. Gradient and aspect belong to the most important values in geomorphometry; they describe the steepness of a terrain at a certain point, and the cardinal direction in which the terrain faces, respectively. Together with other values used in geomorphometry, such as plan and profile curvature, and height, it is possible to delineate landforms such as hills, valleys, and mountain ranges. Giving boundaries for imprecise regions is useful in GIS and GIR to be able to answer queries for 'Aikido dojos near Amsterdam'. Assume we have submitted this query to a Web search engine, and it retrieved several documents that are relevant with respect to the textual contents and the spatial location. In Chapter 5, we propose a number of geometric methods to rank documents with a textual and a spatial score. For all presented methods we assume that documents with similar scores have similar contents, and therefore should not be ranked consecutively. Our scattered ranking procedures rank documents according to the relevance to the query and the dissimilarity to the already ranked documents.
RFID privacy issues and technical challenges (2005)

Cheap tags and technology simple and secure enough to ensure personal data privacy are required before retailers implement and consumers trust and confidently use them on a mass scale.
S-135 (2012)

Health Effects Institute, USA, [email protected] University of London, UK University of British Columbia, Canada Health Canada, Canada
Comparison performance of the DS chaotic and IR chaotic UWB systems (2008)

The IEEE802.15.4a Task Group for wireless personal area networks (WPAN) is working on an ultra-wideband (UWB) radio standard for the indoor sensor network applications. In 4a Task Group, various modulation and signal sources are being proposed to find the sensor network solutions satisfied with low cost and low power consumption. Among of them, the non-coherent direct sequences (DS) chaotic system using on-off keying (OOK) modulation and impulse radio (IR) chaotic system used pulse position modulation (PPM) are considered in this paper. This paper shows system performance which is shown by virtual simulation using channel model defined by IEEE802.15.4a Task Group channel model and compare the results from the real environment test between two schemes Through real environment tests, we can inform that the DS chaotic system is more sensitive for the channel conditions generated reflection and scattering of field test room. The IR chaotic system is more dependent on path loss according to the distance change than channel condition. Thus, we can determine the feasibility and compatibility of chaotic UWB system in order to operate the sensor network systems. Also, we show the possibility that the transceiver of chaotic system can be implemented into low complexity, low cost and low power consumption.
Turbidimetric determinations of theta compositions (1968)

Abstract The turbidimetric titration method of determining theta conditions developed by Elias and modified by Cornet and van Ballegooijen has been extended and generalized for different types of polymer–solvent–nonsolvent systems. The modified procedures for the determination of theta compositions have been verified with the following systems: polystyrene–cyclohexane– n ‐hexane, polystyrene–cyclohexane– n ‐butanol, and polystyrene–toluene–nonsolvent.
Controlling transgene expression in subcutaneous implants using a skin lotion containing the apple metabolite phloretin (2009)

Adjustable control of therapeutic transgenes in engineered cell implants after transdermal and topical delivery of nontoxic trigger molecules would increase convenience, patient compliance, and elimination of hepatic first-pass effect in future therapies. Pseudomonas putida DOT-T1E has evolved the flavonoid-triggered TtgR operon, which controls expression of a multisubstrate-specific efflux pump (TtgABC) to resist plant-derived defense metabolites in its rhizosphere habitat. Taking advantage of the TtgR operon, we have engineered a hybrid P. putida-mammalian genetic unit responsive to phloretin. This flavonoid is contained in apples, and, as such, or as dietary supplement, regularly consumed by humans. The engineered mammalian phloretin-adjustable control element (PEACE) enabled adjustable and reversible transgene expression in different mammalian cell lines and primary cells. Due to the short half-life of phloretin in culture, PEACE could also be used to program expression of difficult-to-produce protein therapeutics during standard bioreactor operation. When formulated in skin lotions and applied to the skin of mice harboring transgenic cell implants, phloretin was able to fine-tune target genes and adjust heterologous protein levels in the bloodstream of treated mice. PEACE-controlled target gene expression could foster advances in biopharmaceutical manufacturing as well as gene- and cell-based therapies.
Two-dimensional gel electrophoresis in proteomics: Old, old fashioned, but it still climbs up the mountains (2002)

Proteomics has traditionally used the separating power of two-dimensional electrophoresis for the quantitative analysis of protein amounts in complex extracts. However, the limitations of this approach in terms of throughput and analyzable protein range have elicited the development of other proteomics approaches, based either on peptide separations instead of protein separations, or based on direct protein recognition and selection on dedicated arrays (protein chips). These recent methods seem very promising, and probably look more promising than they will ultimately be, just because their weaknesses are not fully characterized yet. The purpose of this paper is thus to highlight the strengths and weaknesses of all the proteomics approaches proposed to date and to try to deduce the respective niches in proteomics that these approaches will have in the future.
Interventions to Break and Create Consumer Habits (2006)

Interventions to change everyday behaviors often attempt to change people's beliefs and intentions. As the authors explain, these interventions are unlikely to be an effective means to change behaviors that people have repeated into habits. Successful habit change interventions involve disrupting the environmental factors that automatically cue habit performance. The authors propose two potential habit change interventions. “Downstream-plus” interventions provide informational input at points when habits are vulnerable to change, such as when people are undergoing naturally occurring changes in performance environments for many everyday actions (e.g., moving households, changing jobs). “Upstream” interventions occur before habit performance and disrupt old environmental cues and establish new ones. Policy interventions can be oriented not only to the change of established habits but also to the acquisition and maintenance of new behaviors through the formation of new habits.
Purification of Sarcotoxin III, a New Antibacterial Protein of Sarcophaga peregrina1 (1987)

A glycine-rich antibacterial protein with a molecular mass of 7,000 termed sarcotoxin III, was purified to homogeneity from the hemolymph of third instar larvae of Sarcophaga peregrina. When the hemolymph was fractionated, this protein was recovered in the same fraction as sarcotoxin I, a group of potent antibacterial proteins that have been purified. But, it was clearly different from sarcotoxin I in amino acid composition and molecular mass. Sarcotoxin III was shown to be induced in the hemolymph in response to injury of the larval body wall.
Femtosecond Structural Dynamics in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>VO</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>during an Ultrafast Solid-Solid Phase Transition (2001)

Femtosecond x-ray and visible pulses were used to probe structural and electronic dynamics during an optically driven, solid-solid phase transition in VO(2). For high interband electronic excitation (approximately 5 x 10(21) cm(-3)), a subpicosecond transformation into the high-T, rutile phase of the material is observed, simultaneous with an insulator-to-metal transition. The fast time scale observed suggests that, in this regime, the structural transition may not be thermally initiated.
Graph theory for image analysis: an approach based on the shortest spanning tree (1986)

The paper describes methods of image segmentation and edge detection based on graph-theoretic representations of images. The image is mapped onto a weighted graph and a spanning tree of this graph is used to describe regions or edges in the image. Edge detection is shown to be a dual problem to segmentation. A number of methods are developed, each providing a different segmentation or edge detection technique. The simplest of these uses the shortest spanning tree (SST), a notion that forms the basis of the other improved methods. These further methods make use of global pictorial information, removing many of the problems of the SST segmentation in its simple form and of other pixel linking algorithms. An important feature in all of the proposed methods is that regions may be described in a hierarchical way.
Quercetin in combating H2O2 induced early cell apoptosis and mitochondrial damage to normal human keratinocytes (2010)

Quercetin can relieve the cell damage and apoptosis from H2O2 induced injury to HaCaT cells by anti-oxidation and mitochondrial protection.
Integrated DC-DC converter using GaAs HBT technology (1999)

DC-DC boost converters operating at very high switching frequencies (up to 20 MHz) have been fabricated using GaAs HBT technology. The pulsewidth modulator, driver amplifier and power switch have been implemented on a single GaAs chip. With an input voltage of 3.6 V DC, an operating frequency of 10 MHz and an output power of > 1.5 W, a power efficiency over 80% has been obtained.
BETA-ARYLAMINO ETHANOLS (1923)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBETA-ARYLAMINO ETHANOLSRoger Adams and J. B. SegurCite this: J. Am. Chem. Soc. 1923, 45, 3, 785–790Publication Date (Print):March 1, 1923Publication History Published online1 May 2002Published inissue 1 March 1923https://pubs.acs.org/doi/10.1021/ja01656a034https://doi.org/10.1021/ja01656a034research-articleACS PublicationsRequest reuse permissionsArticle Views156Altmetric-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
Nb-Oxide-Pb Tunnel Junctions Fabricated Using CF<sub>4</sub> Cleaning Process. (III) Preparation of Planar dc SQUID (1987)

This paper discusses the preparation of thin-film planar dc superconducting quantum interference devices (SQUIDs). Nb-oxide-Pb tunnel junctions fabricated using CF 4 cleaning process (CFCP) and Pd thin-film shunt resistor were employed. It was demonstrated that the two junctions in a SQUID have symmetrical and wellcontrolled junction parameters. Pd adhesion with oxidized Si could be improved by ultrathin Zr underlayers. The Pd films allowed good controt of the sheet resistance. The SQUIDs are very reliable in regard to room-temperature storage and thermal cycling.
Establishment of <i>FUT8</i> knockout Chinese hamster ovary cells: An ideal host cell line for producing completely defucosylated antibodies with enhanced antibody‐dependent cellular cytotoxicity (2004)

To generate industrially applicable new host cell lines for antibody production with optimizing antibody-dependent cellular cytotoxicity (ADCC) we disrupted both FUT8 alleles in a Chinese hamster ovary (CHO)/DG44 cell line by sequential homologous recombination. FUT8 encodes an alpha-1,6-fucosyltransferase that catalyzes the transfer of fucose from GDP-fucose to N-acetylglucosamine (GlcNAc) in an alpha-1,6 linkage. FUT8(-/-) cell lines have morphology and growth kinetics similar to those of the parent, and produce completely defucosylated recombinant antibodies. FUT8(-/-)-produced chimeric anti-CD20 IgG1 shows the same level of antigen-binding activity and complement-dependent cytotoxicity (CDC) as the FUT8(+/+)-produced, comparable antibody, Rituxan. In contrast, FUT8(-/-)-produced anti-CD20 IgG1 strongly binds to human Fcgamma-receptor IIIa (FcgammaRIIIa) and dramatically enhances ADCC to approximately 100-fold that of Rituxan. Our results demonstrate that FUT8(-/-) cells are ideal host cell lines to stably produce completely defucosylated high-ADCC antibodies with fixed quality and efficacy for therapeutic use.
A Hierarchical Triangle-Level Culling Technique for Tile-Based Rendering (2012)

Current 3D graphics rendering relies on tens of thousand triangles to generate realistic images on screen. As the number of triangles increases, no specific order for their input sequence exists, thus, many triangles that do not contribute to a final image must still be rasterized and shaded. This study proposes a triangle-level hierarchical culling technique for tile-based rendering. With a novel hardware efficient technique focuses on the depth and coverage relationships among triangles, the invisible triangles can now be culled right after geometry stage. Intended advantages include: cull invisible triangles earlier, reduce storage pressure, reduce triangle and list data accesses (from external memory) during rendering. The results show the proposed mechanism culls 32.99% of triangles before rasterization. In addition, about 15% of storage requirements and external memory transfer are reduced as well.
The Effect of Phenylbenzotriazole Derivatives on the Photoyellowing of Wool (1978)

The effects of a range of water-soluble 2 arylbenzotriazoles on the photoyellowing rate of bleached wool have been investigated. Variation in substitution pattern in the 2 aryl ring yielded vastly different effects. Some retardation of photoyellowing is observed with derivatives containing a hydroxyl group ortho to the benzotriazole ring, whereas the rate is accelerated by derivatives devoid of such a suhstituent or with an amino group in this position.
A recursive least-squares algorithm with multiple inputs and outputs, and a cylindrical systolic implementation (1988)

A recursive least-squares (RLS) algorithm with multiple inputs as well as multiple outputs is presented. The corresponding processing architecture is a cylindrical systolic array that uses a basic two-input-two-output decorrelation processing element (PE) as its primitive building block. Because of the time recursive property, the implementation only involves scalar computations, so no vector or matrix operations are required in each PE. An efficient algorithm is derived on the basis of various architectural considerations combined with the use of an algebraic interpretation of a geometrical approach used previously. The algorithm presented generates as many output channels as input channels, which is a requirement for many signal processing tasks. One application is to adaptive pulse Doppler processing for radar systems in which a bank of filters is used to recover the entire Doppler band and each Doppler subband is processed in such a way that it is totally decorrelated with the inputs of the remaining subbands.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Dicer is dispensable for asymmetric RISC loading in mammals (2011)

In flies, asymmetric loading of small RNA duplexes into Argonaute2-containing RNA-induced silencing complex (Ago2-RISC) requires Dicer-2/R2D2 heterodimer, which acts as a protein sensor for the thermodynamic stabilities of the ends of small RNA duplexes. However, the mechanism of small RNA asymmetry sensing in mammalian RISC assembly remains obscure. Here, we quantitatively examined RISC assembly and target silencing activity in the presence or absence of Dicer in mammals. Our data show that, unlike the well-characterized fly Ago2-RISC assembly pathway, mammalian Dicer is dispensable for asymmetric RISC loading in vivo and in vitro.
Probabilistic State-Dependent Grammars for Plan Recognition (2013)

Techniques for plan recognition under uncertainty require a stochastic model of the plan-generation process. We introduce Probabilistic State-Dependent Grammars (PSDGs) to represent an agent's plan-generation process. The PSDG language model extends probabilistic context-free grammars (PCFGs) by allowing production probabilities to depend on an explicit model of the planning agent's internal and external state. Given a PSDG description of the plan-generation process, we can then use inference algorithms that exploit the particular independence properties of the PSDG language to efficiently answer plan-recognition queries. The combination of the PSDG language model and inference algorithms extends the range of plan-recognition domains for which practical probabilistic inference is possible, as illustrated by applications in traffic monitoring and air combat.
Imaging antenna arrays (1982)

Many millimeter and far-infrared imaging systems are limited in sensitivity and speed because they depend on a single scanned element. Because of recent advances in planar detectors such as Schottky diodes, superconducting tunnel junctions, and micro-boiometers, an attractive approach to this problem is a planar antenna array with integrated detectors. A planar line antenna array and optical system for imaging has been developed by the authors. The significant advances are a "reverse-microscope" optical configuration and a modified bow-tie antenna design. In the "reverse-microscope" configuration, a lens is attached to the bottom of the substrate containing the antennas. Imaging is done through the substrate. This configuration eliminates the troublesome effects of substrate surface waves. The substrate lens has only a single refracting surface, making possible a virtually aplanatic system, with little spherical aberration or coma. The array is characterized by an optical transfer function that is easily measured. An array with 19 dB crosstalk levels between adjacent antennas has been tested and it was found that the array captured 50 percent of the available power. This imaging system was diffraction limited.
Effect of Sinc genotype, agent isolate and route of infection on the accumulation of protease-resistant PrP in non-central nervous system tissues during the development of murine scrapie (1994)

Mice congenic for the Sinc gene were infected intracerebrally with two scrapie strains, ME7 and 22A. At various times during the incubation period tissues were monitored for the infection-specific form of PrP (PrPSc). PrPSc was found in brain, spleen, lymph nodes, pancreas, submaxillary gland and thymus. After intraperitoneal inoculation PrPSc was found in spleen, lymph nodes, pancreas and submaxillary glands prior to its detection in brain. The kinetics of accumulation of PrPSc in these tissues was dependent on the infecting strain of agent, on the mouse Sinc genotype and on the route of infection. This study supports using the presence of PrPSc as an indicator of infectivity in brain and extraneural tissues and defines some of the parameters which influence when and where PrPSc is first found.
Mosfet Models for Spice Simulation, Including BSIM3v3 and BSIM4 (2001)

An expert guide to understanding and making optimum use of BSIM Used by more chip designers worldwide than any other comparable model, the Berkeley Short-Channel IGFET Model (BSIM) has, over the past few years, established itself as the de facto standard MOSFET SPICE model for circuit simulation and CMOS technology development. Yet, until now, there have been no independent expert guides or tutorials to supplement the various BSIM manuals currently available. Written by a noted expert in the field, this book fills that gap in the literature by providing a comprehensive guide to understanding and making optimal use of BSIM3 and BSIM4. Drawing upon his extensive experience designing with BSIM, William Liu provides a brief history of the model, discusses the various advantages of BSIM over other models, and explores the reasons why BSIM3 has been adopted by the majority of circuit manufacturers. He then provides engineers with the detailed practical information and guidance they need to master all of BSIM's features. He: * Summarizes key BSIM3 components * Represents the BSIM3 model with equivalent circuits for various operating conditions * Provides a comprehensive glossary of modeling terminology * Lists alphabetically BSIM3 parameters along with their meanings and relevant equations * Explores BSIM3's flaws and provides improvement suggestions * Describes all of BSIM4's improvements and new features * Provides useful SPICE files, which are available online at the Wiley ftp site