gebhart/patrepeval huggingface dataset:
Roadway data representation and application development : final report, December 2009. (2009)

The Straight-line Diagrammer, a web-based application to produce Straight-line Diagrams (SLDs) automatically, was developed in this project to replace old application (AutoSLD) which has outdated structure and limited capabilities.\n
Design of high-T/sub c/ superconducting bolometers for a far infrared imaging array (1993)

The design of high-T/sub c/ superconducting bolometers for use in a far-infrared imaging array for 30-100- mu m wavelengths is discussed. Measurements of the voltage noise in thin films of YBa/sub 2/Cu/sub 3/O/sub 7- delta / on yttria-stabilized zirconia buffer layers on silicon substrates are used to make performance estimates. It is noted that useful opportunities exist for imaging and spectroscopy with bolometer arrays made on micromachined silicon membranes. A circuit on each pixel which performs some signal integration can improve the sensitivity of large two-dimensional arrays of bolometers which use multiplexed readout amplifiers.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>
Endocyclic Modification to Porphyrinoid Tunes Energy Gap (2009)

This paper reports the synthesis and electronic characterization of porphyrinoid 1. The doubly N-fused porphyrin was synthesized by acid-catalyzed [2+2] condensation followed by bromination and intramolecular cyclization. The resulting 18π compound displays an electronic absorption extending out to 1300 nm, which is characteristic of a 38π annulene. DFT calculations demonstrate that endocyclic carbon-nitrogen double bonds significantly raise the energy of the HOMO thus lowering the energy gap.
Generation of convergent light beams by using surface plasmon locked Smith-Purcell radiation (2017)

An electron bunch passing through a periodic metal grating can emit Smith-Purcell radiation (SPR). Recently, it has been found that SPR can be locked and enhanced at some emission wavelength and angle by excitation of surface plasmon (SP) on the metal substrate. In this work, the generation of a convergent light beam via using the SP-locked SPR is proposed and investigated by computer simulations. The proposed structure is composed of an insulator-metal-insulator (IMI) substrate with chirped gratings on the substrate. The chirped gratings are designed such that a convergent beam containing a single wavelength is formed directly above the gratings when an electron bunch passes beneath the substrate. The wavelength of the convergent beam changes with the refractive index of dielectric layer of the IMI structure, which is determined by the frequency of SP on the IMI substrate excited by the electron bunch. Moreover, reversing the direction of electron bunch will make the emitted light from the proposed structure to switch from a convergent beam to a divergent beam. Finally, the formation of a convergent beam containing red, green and blue lights just above the chirped gratings is also demonstrated. This work offers potential applications in the fields of optical imaging, optical beam steering, holography, microdisplay, cryptography and light source.
Classification of Indoor Environments for IoT Applications: A Machine Learning Approach (2018)

Evolving Internet-of-Things (IoT) applications often require the use of sensor-based indoor tracking and positioning, for which the performance is significantly improved by classifying the type of the surrounding indoor environment. This classification is of high importance since it leads to efficient power consumption when operating the deployed IoT sensors. This letter presents a machine learning approach for indoor environment classification based on real-time measurements of the radio frequency (RF) signal in a realistic environment. Several machine learning classification methods are explored including decision trees, support vector machine, and κ-nearest neighbor using different RF features. Results obtained show that a machine learning approach based on weighted κ -nearest neighbor method, which utilizes a combination of channel transfer function and frequency coherence function, outperforms the other methods in classifying the type of indoor environment with an accuracy of 99.3%. The predication time was found to be below 10 μs, which verifies that the adopted algorithm is a successful candidates for real-time deployment scenarios.
How Nanoscale Dislocation Reactions Govern Low- Temperature and High-Stress Creep of Ni-Base Single Crystal Superalloys (2020)

The present work investigates γ-channel dislocation reactions, which govern low-temperature (T = 750 °C) and high-stress (resolved shear stress: 300 MPa) creep of Ni-base single crystal superalloys (SX). It is well known that two dislocation families with different b-vectors are required to form planar faults, which can shear the ordered γ’-phase. However, so far, no direct mechanical and microstructural evidence has been presented which clearly proves the importance of these reactions. In the mechanical part of the present work, we perform shear creep tests and we compare the deformation behavior of two macroscopic crystallographic shear systems [ 01 1 ¯ ] ( 111 ) and [ 11 2 ¯ ] ( 111 ) . These two shear systems share the same glide plane but differ in loading direction. The [ 11 2 ¯ ] ( 111 ) shear system, where the two dislocation families required to form a planar fault ribbon experience the same resolved shear stresses, deforms significantly faster than the [ 01 1 ¯ ] ( 111 ) shear system, where only one of the two required dislocation families is strongly promoted. Diffraction contrast transmission electron microscopy (TEM) analysis identifies the dislocation reactions, which rationalize this macroscopic behavior.
'Just Clean Enough': Wet Cleaning for Solar Cell Manufacturing Applications (2012)

The cumulative installed solar power generation has been rising exponentially over the past decade. This has lead to a concomitant rise in production capabilities, leading eventually to excess production capabilities and rapid price declines per unit. In order to compete with the standard electricity generation the cost of solar panel production and installation needs to decrease even further. At the same time the solar panel and cell makers need to be able to keep a healthy margin. A crucial element in this exercise is a close control on the Cost of Ownership (CoO) of a solar cell / panel fabrication site.
Linewidth measurement of sapphire-bonded 2-D photonic crystal layers (2004)

The linewidth of 2-D photonic crystal microcavity lasers was measured using the self delayed optical homodyne technique.
Protons in Catalytic Architectures: Near (NMR) and Far (Impedance) (2022)

High performance in the realm of electrochemical energy/catalysis/sensing requires WIRING! —the timely arrival and departure of the electrons, ions, and molecules necessary for reactivity. Architectural design of mesoscale porous nanostructures integrates such multifunctionality to ensure that timely electronic, ionic, and mass transport occurs to electrified reactive interfaces. We probe the nature of proton transport in TiO 2 aerogels modified with Au nanoparticles (NPs) as a function of relative humidity using impedance spectroscopy for a long-range assessment and 1 H NMR for an environmental assessment of shorter-range proton diffusion and spin–spin relaxation. We synthetically site the Au NPs either between the covalently bonded TiO 2 NPs that comprise the oxide aerogel network or by supporting them on the preformed, calcined oxide aerogel; we prepare two Au weight loadings (1 and 4 wt%) using both geometric arrangements of Au∣∣TiO 2 . A high degree of intimacy between Au nanoparticles and the networked TiO₂ nanoparticles affects the nature of proton transport of the aerogel as a function of equilibration with gas-phase water, decreasing the resistance to proton transport along the oxide network. The presence of even a modest weight loading of Au NPs increases the ionicity of the catalytic platform over that of native, Au-free TiO₂ aerogel.
Target-classification approach applied to active UXO sites (2013)

This study is designed to illustrate the discrimination performance at two UXO active sites (Oklahoma’s Fort Sill and the Massachusetts Military Reservation) of a set of advanced electromagnetic induction (EMI) inversion/discrimination models which include the orthonormalized volume magnetic source (ONVMS), joint diagonalization (JD), and differential evolution (DE) approaches and whose power and flexibility greatly exceed those of the simple dipole model. The Fort Sill site is highly contaminated by a mix of the following types of munitions: 37-mm target practice tracers, 60-mm illumination mortars, 75-mm and 4.5′′ projectiles, 3.5′′, 2.36′′, and LAAW rockets, antitank mine fuzes with and without hex nuts, practice MK2 and M67 grenades, 2.5′′ ballistic windshields, M2A1-mines with/without bases, M19-14 time fuzes, and 40-mm practice grenades with/without cartridges. The site at the MMR site contains targets of yet different sizes. In this work we apply our models to EMI data collected using the MetalMapper (MM) and 2 × 2 TEMTADS sensors. The data for each anomaly are inverted to extract estimates of the extrinsic and intrinsic parameters associated with each buried target. (The latter include the total volume magnetic source or NVMS, which relates to size, shape, and material properties; the former includes location, depth, and orientation). The estimated intrinsic parameters are then used for classification performed via library matching and the use of statistical classification algorithms; this process yielded prioritized dig-lists that were submitted to the Institute for Defense Analyses (IDA) for independent scoring. The models’ classification performance is illustrated and assessed based on these independent evaluations.
Capillary and Venous Blood Glucose Measurements Using a Direct Glucose‐sensing Meter (1991)

The aim of the study was to evaluate the precision and accuracy of the ExacTech home blood glucose meter when used with either capillary or venous blood and to compare this with a reference whole blood glucose assay. Non-fasting glucose measurements were used since a validation study showed no capillary-venous differences between fasting and post-prandial states. In a cross-sectional study, blood was taken from 182 patients and measured in duplicate on three batches of strips. Altogether we analysed 1089 readings. The regression of the data from capillary blood samples (meter vs reference method) had a correlation coefficient, of 0.93, and a mean bias of 0.2 mmol l-1. The corrected 90% confidence interval was +/- 1.5 mmol l-1 overall, and +/- 0.9 mmol l-1 for readings under 7.0 mmol l-1. Regression of the data from venous blood samples (meter vs reference method) had a correlation coefficient of 0.93 and a slope of x 1.1. The corrected 90% confidence interval was +/- 1.7 mmol l-1. Thus venous blood may be used even though the meter is calibrated for capillary samples but the value must be corrected by dividing by 1.1. Error-grid analysis showed that day-to-day clinical decisions could be made on the basis of ExacTech readings, although a diagnosis of borderline diabetes may not be possible.
Proposed minimal diagnostic criteria for myelodysplastic syndromes (MDS) and potential pre-MDS conditions (2017)

Myelodysplastic syndromes (MDS) comprise a heterogeneous group of myeloid neoplasms characterized by peripheral cytopenia, dysplasia, and a variable clinical course with about 30% risk to transform to secondary acute myeloid leukemia (AML). In the past 15 years, diagnostic evaluations, prognostication, and treatment of MDS have improved substantially. However, with the discovery of molecular markers and advent of novel targeted therapies, new challenges have emerged in the complex field of MDS. For example, MDS-related molecular lesions may be detectable in healthy individuals and increase in prevalence with age. Other patients exhibit persistent cytopenia of unknown etiology without dysplasia. Although these conditions are potential pre-phases of MDS they may also transform into other bone marrow neoplasms. Recently identified molecular, cytogenetic, and flow-based parameters may add in the delineation and prognostication of these conditions. However, no generally accepted integrated classification and no related criteria are as yet available. In an attempt to address this challenge, an international consensus group discussed these issues in a working conference in July 2016. The outcomes of this conference are summarized in the present article which includes criteria and a proposal for the classification of pre-MDS conditions as well as updated minimal diagnostic criteria of MDS. Moreover, we propose diagnostic standards to delineate between ´normal´, pre-MDS, and MDS. These standards and criteria should facilitate diagnostic and prognostic evaluations in clinical studies as well as in clinical practice.
Surface flashover sensitivity of silicon in vacuum (1994)

The high flashover sensitivity of high resistivity silicon in vacuum is discussed. Surface flashover fields of 5 - 30 kV/cm are common in silicon-vacuum systems, even though the intrinsic critical fields of silicon and vacuum are &gt; 300 kV/cm. The influences of the material (bulk quality and surface processing), contact technology, contact geometry and electrode configuration on the preflashover and surface flashover characteristics of wafer samples in vacuum are analyzed.
Evaluation of circulating osteopontin levels in an unselected cohort of patients with multiple sclerosis: relevance for biomarker development (2013)

Our data do not support a role for circulating OPN levels as a biomarker for disease activity in a heterogeneous clinical setting, but does not rule out a potential role in the cerebrospinal fluid, in a controlled setting such as a clinical trial, or in concert with other biomarkers.
Monoclonal antibody specific to glucosylceramide found in pathogenic fungi (2000)

Dentate granule cells are generally considered to be relatively resistant to excitotoxicity and have been associated to robust synaptogenesis after neuronal damage. Synaptic reorganization of dentate granule cell axons, the mossy fibers, has been suggested to be relevant for hyperexcitability in human temporal lobe epilepsy and animal models. A recent hypothesis has suggested that mossy fiber sprouting is dependent on newly formed dentate granule cells. However, we have recently demonstrated that cycloheximide (CHX) can block the mossy fiber sprouting that would be otherwise induced by different epileptogenic agents and do not interfere with epileptogenesis in those models. Here, we investigated cell damage and neurogenesis in the dentate gyrus of pilocarpine-or kainate-treated animals with or without the co-administration of CHX. Dentate granule cells were highly vulnerable to pilocarpine induced-status epilepticus (SE), but hardly damaged by kainate induced-SE. CHX-pretreatment markedly reduced the number of injured neurons after pilocarpine-induced SE. Induction of SE dramatically increased the mitotic rate of KA and KA + CHX treated animals. Induction of SE in animals in-jected with pilocarpine alone led to increases of between two to sevenfold in the mitotic rate of dentate granule cells as compared to increases of between five and thirtyfold for pilocarpine+CHX animals. These observations indicate that in presence of cycloheximide the increase of the mitotic rate after pilocarpine-induced SE may be due to protection of a vulnerable precursor cell population that would otherwise degenerate. We further suggest that the mossy fiber sprouting and neurogenesis of granule cells are not necessarily related events. - ( September 14, 1999 ) .
Thermally controlled mid-IR band-gap engineering in all-glass chalcogenide microstructured fibers: a numerical study (2017)

Presence of photonic band-gap (PBG) in an all-glass low refractive index (RI) contrast chalcogenide (Ch) microstructured optical fibers (MOFs) is investigated numerically. The effect of external temperature on the position of band-gap is explored to realize potential fiber-based wavelength filters/sensors at functional mid-IR spectral range. The cross-sectional geometry of the MOF is formed by considering a Ch glass to form the overall background cross-section as well as the central fiber core. The core region is surrounded by periodically arranged (hexagonal pattern) smaller holes, which are assumed to be filled up with another Ch glass. Thermally compatible and fabrication suitable, two Ch glasses are chosen, one (higher RI) as background material and the other (of lower RI) to fill up the holes. Two sets of such pairs of thermally compatible Ch-glasses are considered as fiber structural materials with relative RI contrast of ∼12% and ∼24%. For both such low RI contrast hexagonal structures, PBG appears only for suitable finite values of longitudinal wave vector. The structures are suitable to realize band-gap at mid-IR wavelengths and specifically optimized for operation around the ∼2 μm region. Then the temperature sensitivity of band-gaps is investigated to design fiber-based mid-IR wavelength filters/sensors.
Waveform design for radar-embedded communications (2007)

This paper considers the embedding of a covert communication signal amongst radar backscatter by means of a tag/transponder that lies within the illuminated area of the radar. Past approaches have operated on an inter-pulse basis whereby a communication symbol/identifier is relayed to an intended receiver by imparting a Doppler-like phase-shift to each of a successive series of incident radar pulses. In contrast, the approach proposed in this paper operates on an intra-pulse basis whereby the incident radar waveform at the tag/transponder is "re-modulated" into one of a set of different waveforms each representing a different communication symbol. The particular design issues for these re-modulated waveforms are discussed and three general design methods are proposed. The effectiveness of the different methods is assessed in terms of the probability of communication error as a function of the respective powers of the embedded communication signal, the masking radar backscatter, and noise. The relative "covertness" of the resulting waveforms is also discussed.
Supplementary Figure 5 from Targeting uPAR with Antagonistic Recombinant Human Antibodies in Aggressive Breast Cancer (2023)

&lt;p&gt;PDF file - 165K, Additional SPECT/CT images of the uPAR probes imaging the MDA-MB-231 CDM&lt;/p&gt;
Sinus hypoplasia precedes sinus infection in a porcine model of cystic fibrosis (2012)

These results define a role for CFTR in sinus development and suggest the potential of the CF pig as a genetic model of CF-sinus disease in which to test therapeutic strategies to minimize sinus-related CF morbidity.
The Role of Meridional Geometry in Aerodynamic Design of Centrifugal Compressor (2018)

Higher aerodynamic performance of turbochargers has been demanded because of vehicle engine down-sizing. Centrifugal compressors for automotive turbochargers require higher efficiency and wider operating range. Meridional geometry of the centrifugal compressors is one of their design specifications and it drastically affects the aerodynamic performance of the compressors. In this study, we designed the meridional geometry by using the aerodynamic design method based on a meridional viscous flow analysis and investigated the relation between the meridional geometry and the aerodynamic performance by analyzing meridional viscous flow calculation results and three-dimensional RANS calculation results. As a result, the relation between the boundary layer development near the shroud and the mass flux at the trailing edge was found out according to the meridional viscous flow calculation results. In addition, the relation and the performance improvement were confirmed according to experimental results.
Assessing Vascular Permeability during Experimental Cerebral Malaria by a Radiolabeled Monoclonal Antibody Technique (2001)

Vascular endothelial integrity, assessed by Evans blue dye extrusion and radiolabeled monoclonal antibody leakage, was markedly compromised in the brain, lung, kidney, and heart during Plasmodium berghei infection, a well-recognized model for human cerebral malaria. The results for vascular permeability from both methods were significantly (P < 0.001) related.
Enhancement of the Electrical Properties of Graphene Grown by Chemical Vapor Deposition via Controlling the Effects of Polymer Residue (2013)

Residual polymer (here, poly(methyl methacrylate), PMMA) left on graphene from transfer from metals or device fabrication processes affects its electrical and thermal properties. We have found that the amount of polymer residue left after the transfer of chemical vapor deposited (CVD) graphene varies depending on the initial concentration of the polymer solution, and this residue influences the electrical performance of graphene field-effect transistors fabricated on SiO2/Si. A PMMA solution with lower concentration gave less residue after exposure to acetone, resulting in less p-type doping in graphene and higher charge carrier mobility. The electrical properties of the weakly p-doped graphene could be further enhanced by exposure to formamide with the Dirac point at nearly zero gate voltage and a more than 50% increase of the room-temperature charge carrier mobility in air. This can be attributed to electron donation to graphene by the -NH2 functional group in formamide that is absorbed in the polymer residue. This work provides a route to enhancing the electrical properties of CVD-grown graphene even when it has a thin polymer coating.
Environmental regulation of virulence factors in Bordetella species (1993)

Many bacteria respond in a coordinate manner to environmental changes. External stimuli, sensed by receptors, are transduced to regulatory proteins which participate in well defined pathways of gene expression by varying their structure and mode of action. The network of environmental signal transduction is responsible for a fine and continuous communication between the host and the pathogenic bacteria. As a result, the gene expression machinery of the pathogen is modified continuously, in order to establish the optimal conditions for bacterial survival and multiplication.
Table S4 from Proteogenomics Uncovers a Vast Repertoire of Shared Tumor-Specific Antigens in Ovarian Cancer (2023)

&lt;p&gt;Table S4&lt;/p&gt;
Compressive Fresnel holography for object reconstruction through an occluding plane (2012)

Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text Y. Rivenson, A. Rot, S. Balber, A. Stern, and J. Rosen, "Compressive Fresnel holography for object reconstruction through an occluding plane," in Biomedical Optics and 3-D Imaging, OSA Technical Digest (Optica Publishing Group, 2012), paper DW4C.7. Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article