gebhart/patrepeval huggingface dataset:
Graphene metal oxide composite supercapacitor electrodes (2012)

This study presents composite electrode materials based on graphene oxide (GO) and transition metal oxide nanostructures for supercapacitor applications. Electrophoretic deposition of GO on a conductive substrate was used to form reduced graphene oxide (rGO) films through chemical reduction. The specific capacitance of the rGO was calculated up to 117 F/g at 100 mV/s scan rate from KOH (1 M) electrolyte using an Ag/AgCl reference electrode. The strong interaction of GO with Co3O4 and MnO2 nanostructures was demonstrated in the self-assembled Langmuir–Blodgett monolayer composite, showing the potential to fabricate thin film supercapacitor electrodes without using binder materials. This two-step process is nontoxic and scalable and holds promise for improved energy density from redox capacitance in comparison with the conventional double layer supercapacitors.
Clinical activity of ipilimumab for metastatic uveal melanoma (2013)

In this multicenter, retrospective analysis of 4 hospitals in the United States and Europe of patients with uveal melanoma, durable responses to ipilimumab and manageable toxicity were observed.
Capital social, desarrollo y políticas públicas en la realidad latinoamericana (2003)

Trabajo elaborado durante la estancia de investigación en la UPC bajo la dirección del profesor Luis Moreno Fernández.
Assessing the Robustness of Cyber-Physical Power Systems by Considering Wide-Area Protection Functions (2022)

With the deepening deployment of information and communication technologies (ICT), the cyber network is playing an increasingly important role in determining the performance of a power system. In this paper, we assess the robustness of cyber-physical power systems and examine various impact factors on the system’s robustness. A model that integrates the operating characteristics of the physical network and the wide-area protection functions provided by the cyber network is proposed. Based on the model, cascading failure propagation processes in a cyber-physical power system triggered by initial failures are simulated. Two statistical metrics, the power outage risk and the cumulative power outage size distribution, are then used to quantify the robustness by processing numerous cascading failure simulation results. We conduct case studies on IEEE 57 Bus, IEEE 118 Bus, IEEE 145 Bus, and UIUC 300 Bus with the proposed method. Simulation results demonstrate the necessity to consider cyber coupling, the importance of developing advanced wide-area protection algorithms, and the threat posed by cyberattacks compromising the robustness of cyber-coupled power systems.
ChemInform Abstract: A New Approach to the Formation of the Cyclic Fragment of Brassinosteroids via δ4,6‐Dienones. (1996)

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Transient fault detection via simultaneous multithreading (2000)

Smaller feature sizes, reduced voltage levels, higher transistor counts, and reduced noise margins make future generations of microprocessors increasingly prone to transient hardware faults. Most commercial fault-tolerant computers use fully replicated hardware components to detect microprocessor faults. The components are lockstepped (cycle-by-cycle synchronized) to ensure that, in each cycle, they perform the same operation on the same inputs, producing the same outputs in the absence of faults. Unfortunately, for a given hardware budget, full replication reduces performance by statically partitioning resources among redundant operations.We demonstrate that a Simultaneous and Redundantly Threaded (SRT) processor—derived from a Simultaneous Multithreaded (SMT) processor—provides transient fault coverage with significantly higher performance. An SRT processor provides transient fault coverage by running identical copies of the same program simultaneously as independent threads. An SRT processor provides higher performance because it dynamically schedules its hardware resources among the redundant copies. However, dynamic scheduling makes it difficult to implement lockstepping, because corresponding instructions from redundant threads may not execute in the same cycle or in the same order.This paper makes four contributions to the design of SRT processors. First, we introduce the concept of the sphere of replication, which abstracts both the physical redundancy of a lockstepped system and the logical redundancy of an SRT processor. This framework aids in identifying the scope of fault coverage and the input and output values requiring special handling. Second, we identify two viable spheres of replication in an SRT processor, and show that one of them provides fault detection while checking only committed stores and uncached loads. Third, we identify the need for consistent replication of load values, and propose and evaluate two new mechanisms for satisfying this requirement. Finally, we propose and evaluate two mechanisms—slack fetch and branch outcome queue—that enhance the performance of an SRT processor by allowing one thread to prefetch cache misses and branch results for the other thread. Our results with 11 SPEC95 benchmarks show that an SRT processor can outperform an equivalently sized, on-chip, hardware-replicated solution by 16% on average, with a maximum benefit of up to 29%.
Frequency-tunable microwave dielectric resonator (2001)

A new type of tunable composite dielectric resonator (DR) has been designed, In the structure of this DR, a controllable insert was used to change the resonance frequency (f/sub 0/) in a wide spectral range, while preserving a high quality factor. The simplest of proposed resonance systems for obtaining f/sub 0/ control is a microwave DR crossed by an air slot, which is controlled by fast piezoelectric actuator. Analytical and experimental techniques were employed for optimization of the composite DR structure. It has been observed that this device can create a change up to 20%-25% in its resonance frequency.
Amidoamine: Synthesis, disparity in cure with epoxy resins between bulk and solvent systems, and structure–property relationships of its epoxy‐based coatings (2018)

Amidoamines are widely used as crosslinkers for epoxy resins in protective coatings on metal substrates; however, their cure chemistry is not well elaborated in the technical literature. During cure, the epoxy–amine and epoxy–amide NH reactions could be accompanied by epoxy–hydroxyl etherification, epoxy–epoxy homopolymerization, and reaction between hydroxyls and amide moiety to form in situ ester and amine. To understand the epoxy–amidoamine cure chemistry and correlate it with coating performance properties, amidoamines of known structure are required. Therefore, amidoamines were synthesized by reacting dimer fatty acids with diethylene triamine. When these amidoamines were cured with epoxy resins, discrepancies were observed between systems cured at ambient and thermal conditions. The presence of solvents were seen to greatly affect the rate of epoxy–amidoamine cure at ambient, and before and after vitrification. Near‐IR and mid‐IR spectroscopy studies indicated that side reactions occurred to some extent during cure. No reaction was noted between the amide NH moiety and the epoxide group below 150°C whereas ester formation was noted above 120°C. Solvent‐based clear epoxy–amidoamine coatings formulated at an epoxy:amine equivalent ratio 1.15 passed basic organic coatings evaluation tests. POLYM. ENG. SCI., 59:E69–E81, 2019. © 2018 Society of Plastics Engineers
Performance improvement in a directly 879 nm dual-end-π-polarized-pumped CW and pulsed GdVO4/Nd:GdVO4 laser (2012)

A continuous-wave and Q-switched 10&#xA0;kHz GdVO4/Nd:GdVO4 laser by 879&#xA0;nm laser-diode pumping was demonstrated. We combined dual-end-&#x3C0;-polarized-pumping, half-wave plate (HWP) insertion, composite laser crystals, and dual Q-switching techniques to obtain a 1.06&#xA0;&#x3BC;m nanosecond laser with high temporal and spatial quality. A polarization beam splitter was used to divide the unpolarized pump beam into two linearly polarized beams to increase the absorption efficiency. The output performance was improved obviously by inserting a HWP into the cavity. The pulse duration was compressed and the peak power was increased for a doubly Q-switched laser, in contrast to a single acousto-optical Q-switched laser under the same conditions.
Heterogeneity of human whole blood platelet subpopulations. I. Relationship between buoyant density, cell volume, and ultrastructure (1977)

A quantitative high yield method utilizing isosmotic arabino-galactan (Stractan) solutions and isopycnic centrifugation was developed to isolate and to fractionate total human platelet populations into density-dependent subpopulations. Isolated platelets were free of factor VIII/von Willebrand factor and other plasma proteins. They responded to ADP, epinephrine, and collagen with a sensitivity equal to platelet-rich plasma platelets. The correlation of platelet density with volume and ultrastructure was examined for normal subjects. Recovery of total platelet populations averaged 92.76%+/-3.64% (SD). Normal individuals exhibited a narrow range of platelet buoyant density distribution. Computerized probability plot analysis of platelet volume distribution for 15 normal subjects' total platelet populations showed a mean volume of 5.17+/-0.46 cu mum (SD). Platelets with buoyant density less than or equal to 1.062 g/ml had a mean volume of 4.50+/-0.48 cu mum, while platelets with buoyant density greater than 1.071 g/ml, but less than or equal to 1.084 g/ml, had a mean volume of 5.32+/-0.63 cu mum (SD). The volume difference by paired t test was significant, p less than 0.001. Thin-section electron microscopy demonstrated a significant reduction of granule content in light platelets, as compared to heavy platelets, but an equal number of mitochondria for both groups. These differences of platelet volume and structure between light and heavy platelets suggested that aging may be a determinant of platelet heterogeneity.
Novel clustering algorithm for microarray expression data in a truncated SVD space (2003)

Software is available as Matlab programs at http://neuron.tau.ac.il/~horn/QC.htm.
A novel routing algorithm for ad hoc networks (2005)

A mobile ad hoc network (MANET) is comprised of mobile hosts that can communicate with two other using wireless links. In this paper we present a novel routing algorithm called GPSAL (GPS/ant-like routing algorithm) which is based on GPS (Global Positioning System) and mobile software agents modeled on ants for routing in ad hoc networks. We compare our algorithm to the location-aided routing (LAR) algorithm for MANET which is also based on GPS. Simulation results show that our algorithm has less overhead than LAR.
DDC‐4, an apoptosis‐associated gene, is a secreted frizzled relative (1997)

The differential display method has been used in our laboratory as a coincidence analysis to isolate genes expressed in common in each of three different rat tissues undergoing physiological apoptosis: mammary gland, ovarian corpus luteum and ventral prostate. The most interesting of these isolates, DDC-4, shows a clear association with apoptosis, its expression being confined to these three organs, and only during their involution. Using DDC-4 as probe, we screened a rat ovarian cDNA library to obtain full-length isolates. One isolate, Y81 clone 40, gives rise to a protein of approximately 40 kDa with coupled in vitro transcription/translation. Sequencing of this clone indicates an open reading frame of 1044 nucleotides encoding a protein of 39.7 kDa with a putative signal sequence. This clone exhibits a high homology with the cysteine-rich domain, i.e. the ligand-binding domain, of the fizzled gene family originally defined as tissue polarity genes in Drosophila. The homology of Y81 clone 40 is most extensive with the newly described secreted frizzled relatives, the frzb subfamily.
Improving Search and Navigation User Experience by Making Use of Social Data (2014)

Available user-generated content provides a huge opportunity to contextualize and improve search and navigational processes. Currently, the huge amount of available social data requires that new forms of personalized content indexing be oriented towards a more efficient reuse and retrieval of information. Based on these considerations, this chapter presents a new system that makes use of the social profile of the user, which is automatically extracted and modeled from social network platforms, to improve the search and navigation experience of the user. This proposed system dynamically defines the social context of the user in way that allows it to be positively used to improve his navigational experience. In this chapter, the authors provide a set of visualization tools that permits the user to be immersed in a user-dependent visual space that represented by a set of text boxes that are semantically related to the user query. These boxes represent possible context-aware refinement of the user search interest which are represented through different cohesive set of terms extracted from his social profile. Within this immersive system, at each step, users can deepen their searches by selecting a semantic box that best fits with their needs. This chapter also presents an evaluation aimed at testing the efficiency and the usability of the proposed system and provides real case scenarios and user studies that validate the proposed approach from the user point of view.
A predictor of unfavourable outcome in neutropenic paediatric patients presenting with fever of unknown origin (2009)

PCT-H0 level can predict FUO outcome. A protocol based on PCT-H0 measurement, integrating clinical and bacteriological evaluation, facilitates shorter hospital stays and less antibiotic treatment. Patients with a PCT-H0 value <0.12 micro/L could benefit from an outpatient treatment starting at H48 thus reducing hospitalisation costs and improving quality of life.
CHROMOSOME NUMBER AND THE MUTATION RATE IN AVENA AND TRITICUM (1929)

Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.
Ineffectiveness of Topical Adenine Arabinoside 5′-Monophosphate in the Treatment of Recurrent Herpes Simplex Labialis (1979)

The ability of topical 10 per cent adenine arabinoside 5'-monophosphate to decrease the severity and frequency of recurrent herpes simplex labialis was evaluated in a double-blind, randomized study of 233 patients at three collaborating institutions. Nine clinical and four virologic measurements were used to evaluate drug efficacy during a single episode. No statistically significant improvement in any measurement was seen in the drug-treated patients. Analyses according to institution and age, stage and size of lesion before therapy also indicated no benefit attributable to the drug. There was no effect of the drug on the rate of recurrence of herpes simplex labialis. We conclude that, despite activity against herpes simplex virus infection in tissue culture and in some laboratory animal models, topical use of the drug is ineffective against recurrent herpes simplex labialis. This may be due to failure of the drug to penetrate the skin.
Characterising heavy-duty fuel systems: a critique of industry practice and challenges (2014)

Fuel system components must perform optimally to ensure the maximum fuel economy and the minimum emissions. The key to optimised performance is effective characterisation of the system in the factory. This paper describes methods for discerning the features of a fuel injection system’s performance during built-unit testing. First, a background is given, highlighting the impact of environmental legislation. Next, specifications for a modern fuel system and key functionality characteristics are identified, and a brief overview of the alternative system configurations offered. The injector function is then discussed, with the importance of the key subcomponents being explained. Methods of testing and characterising the fuel injector performance in use are then described. Finally, there is discussion on the future of fuel system testing, and how developing challenges such as measuring the injection timing and the fuelling quantity in high-pressure, high-temperature and high-vibration environments might be overcome with better instruments and novel testing strategies including a paradigm shift away from steady-state testing to fully dynamic system testing.
High Quality Dispersions of Functionalized Single Walled Nanotubes at High Concentration (2008)

Single walled nanotubes are difficult to disperse in solvents, with dispersion quality limited by nanotube bundling at high concentration. We quantitatively study dispersions of singlewall nanotubes, functionalized with the bulky molecules PABS, PEG, and ODA, in common solvents. TGA measurements coupled with AFM analysis of deposited nanotubes shows almost complete coverage of the functionalities along the nanotube body. The best solvents are characterized by Hildebrand solubility parameters that are close to those of the functional groups. At low concentration, the dispersions contain predominately individual functionalized SWNTs as evidenced by root-mean-square bundle diameters of ∼3−4 nm. This can be compared with the measured diameter of individual functionalized nanotubes of ∼3 nm. These nanotubes display very weak concentration dependent aggregation when dispersed in common solvents. Root-mean-square bundle diameters of only ∼5−6 nm were observed at concentrations as high as 1 mg/mL. This translates into >100 bundles per cubic micron of solvent, much higher than observed in other systems. These results have practical implications for the production of well dispersed polymer-nanotube composites that would be expected to display high interfacial stress transfer.
PDGF Receptor Alpha+ Mesoderm Contributes to Endothelial and Hematopoietic Cells in Mice (2013)

Endothelial and hematopoietic cells can be derived from PDGFRα+ early mesoderm in mice. PDGFRα+ mesoderm is functionally significant in vascular development and hematopoiesis from phenotype analysis of genetically modified embryos.
Extracting and verifying cryptographic models from C protocol code by symbolic execution (2011)

Consider the problem of verifying security properties of a cryptographic protocol coded in C. We propose an automatic solution that needs neither a pre-existing protocol description nor manual annotation of source code. First, symbolically execute the C program to obtain symbolic descriptions for the network messages sent by the protocol. Second, apply algebraic rewriting to obtain a process calculus description. Third, run an existing protocol analyser (ProVerif) to prove security properties or find attacks. We formalise our algorithm and appeal to existing results for ProVerif to establish computational soundness under suitable circumstances. We analyse only a single execution path, so our results are limited to protocols with no significant branching. The results in this paper provide the first computationally sound verification of weak secrecy and authentication for (single execution paths of) C code.
Reduction in the appearance of facial hyperpigmentation by topical N‐acetyl glucosamine (2007)

Glucosamine has been reported to inhibit melanin production in melanocyte culture. It thus has a potential to reduce hyperpigmentation via topical use. Due to stability limitations of glucosamine, we chose to clinically evaluate the stable derivative N-acetyl glucosamine (NAG). Based on in vitro Franz cell testing, NAG is a good skin penetrant. In an 8-week, double-blind, placebo-controlled, left-right randomized, split-face clinical test, topical 2% NAG reduced the appearance of facial hyperpigmentation. In a second clinical study involving the topical combination of 2% NAG with 4% niacinamide, an agent previously shown to be clinically active, the effect on hyperpigmentation was greater. Both of these agents are well tolerated by the skin. This high tolerance coupled with relative ease of formulation and stability in solution make NAG, especially in combination with niacinamide, a suitable cosmetic ingredient for use in skin care products dealing with issues of skin hyperpigmentation.
Land-cover identification from airborne waveform LiDAR using a waveform stacking method (2015)

ABSTRACT: Airborne waveform lidar acquires high precision 3-D points and records a succession of the entire backscattered energy. Traditionally, the received waveform was analyzed individually to obtain physical features by waveform decomposition technique. The relationship between neighboring waveforms is usually ignored in waveform analysis. However, the integration of adjacency waveforms may produce 3-D backscattered energy rather than 1-D backscattered energy. The objective of this study is to explore the feasibility of waveform stacking technique from airborne waveform lidar data. This study employs several waveform features in land cover identification, for example, echo width, amplitude, intensity, normalized digital surface model, echo ratio, backscattering coefficient and the features analyzed from waveform stacking. The benefit of waveform stacking in land cover identification is also discussed. The proposed scheme contains three major works. First, all the adjacency 1-D waveforms are stacked into 3-D grids based on pulse coordinates (X, Y, Z). The results of waveform stacking represent the return energy of objects for each cell. The principal components analysis (PCA) is applied to 3-D grids to reduce data volume, and the entropy is used to describe the space texture. Second, we use cross-correlation to validate the relevance of different features. Finally, we combine the results of waveform stacking and other waveform features in object-oriented classification. After image segmentation, a nearest neighbor configuration (NN) classifier is selected in classification. The test data was located at Miao-li City, Taiwan. These multi-strip lidars were acquired by Riegl Q680i. The experimental results indicated that the waveform stacking technique is able to combine multiple waveforms into 3-D voxels for object identification.