gebhart/patrepeval huggingface dataset:
Three-dimensional modelling of auxetic sandwich panels for localised impact resistance (2015)

Sandwich panels with auxetic lattice cores confined between metallic facets are proposed for localised impact resistance applications. Their performance under localised impact is numerically studied, considering the rate-dependent effects. The behaviour of the composite structure material at high strain rates is modelled with the Johnson-Cook model. Parametric analyses are conducted to assess the performance of different designs of the hybrid composite structures. The results are compared with monolithic panels of equivalent areal mass and material in terms of deformations and plastic energy dissipation. Design parameters considered for the parametric analyses include the auxetic unit cell effective Poisson’s ratio, thickness of the facet, material properties and radius of the unit cell’s struts. Significant reduction in computational time is achieved by modelling a quarter of the panel, with shell elements for facets and beam elements for the auxetic core. With projectile impacts up to 200 m/s, the auxetic composite panels are found to be able to absorb a similar amount of energy through plastic deformation, while the maximum back facet displacements are reduced up to 56% due to localised densification and plastic deformation of the auxetic core.
Identification of Reaction Products of Acylated Anthocyanins from Red Radish with Peroxyl Radicals (2003)

Red radish anthocyanin extract, which consists of 12 known acylated anthocyanins, was reacted with 2,2'-azobis(2-amidinopropane) dihydrochloride (AAPH) to generate peroxyl radicals under acidic pH conditions at 37 degrees C. The reaction products were isolated using preparative HPLC, and their chemical structures were determined to be p-hydroxybenzoic acid (1), 6-O-(E)-p-coumaroyl-2-O-beta-d- glucopyranosyl-alpha-d-glucopyranoside (3), p-coumaric acid (4), 6-O-(E)-feruloyl-2-O-beta-d-glucopyranosyl-alpha-d-glucopyranoside (5), and ferulic acid (6). Some products were not identified. HPLC analyses of the mixture of acylated pelargonidin isolated from red radish and AAPH revealed that the acylated pelargonidins possess the radical scavenging ability on some common sites even if the characteristics of the intramolecular acyl units are different. Degradation rates of acylated pelargonidins and the formation rates of the resulting reaction products were found to be quite different.
Flow Cytometry in Food Microbiology: Detection of Escherichia coli 0157:H7 (1997)

Since its development in the 1970s as a commercially available technology for cell analysis, flow cytometry (FC) has held significant potential as a tool for microbiologists. In the intervening 20 years, however, analysis of bacteria has lagged far behind the advances made in the analysis of eukaryotic cells by immunologists and cell biologists: of over 23,000 Medline references to FC, only 571 also referenced bacteria. There are two major reasons for this discrepancy. The optical configurations of most commercially available flow cytometers are optimized for analysis of intact cells in the size range of eukaryotic cells, especially lymphocytes, rather than for analysis of small cells such as bacteria. Second, there is a lack of well-characterized, specific molecular probes for bacterial analysis; the almost universal use of FC in immunology is driven by the availability of fluorochrome-labeled probes for specific molecules. Our laboratory became involved in analysis of bacteria by FC as a result of developing methods to measure uptake and survival of facultative intracellular bacteria by phagocytic cells (Raybourne and Bun-ning, 1994). As part of these studies, it was necessary to analyze fluorochrome-labeled bacteria by FC. This led to firsthand experience with the above problems and an interest in investigating the practicality of FC as a method for detection and isolation of pathogenic bacteria in an applied setting such as food microbiology.
Sensitive Relay Contact Protection Systems (1948)

A protective network for sensitive relay contacts can be expected to extend reliable operation to several million cycles of operation. This result is to be achieved only if the sensitive contact circuit current is limited. Peak current transients on closure are shown to be the critical factor rather than the system voltage as popularly supposed. A 120 volt d-c sensitive contact circuit is considered safer and easier to protect than a comparable 24-volt circuit. It is shown that inductive loads can be successfully protected to values of almost two times that permissible for a resistive load with the type of protective system under consideration. Design procedure is given for a 2-circuit polarized relay protection system estimated to weigh less than eight ounces. It is suggested that available polarized relays when used with the subject protective system will provide power sensitivity, acciracy, and reliability in excess of that available from comparable electronic amplifier equipment.
Lifetime Risks of Cardiovascular Disease (2012)

Differences in risk-factor burden translate into marked differences in the lifetime risk of cardiovascular disease, and these differences are consistent across race and birth cohorts. (Funded by the National Heart, Lung, and Blood Institute.).
Hiding Information under Speech (2005)

Jerry Weisman of Santa Clara, CA, who has been coaching CEOs for many years on how to sell themselves, wrote about making successful presentations. Weisman said, "simple but accurate charts are essential to making a presentation more effective." Unfortunately, until now the secure phone has been no more functional than a telephone -- a device capable of transporting only sounds like the human voice and surrounding sounds. The authors believe that a future secure phone should move beyond 20th century abilities and be capable of transmitting essential visual aids (e.g., key words, key phrases, and simple graphics or hand-scribbled notes) to complement voice communication. They are currently implementing such a phone. It operates in a real-time demonstrable prototype in which a Variable Data Rate (VDR) voice encoder is the core voice encoder. The latter is now being developed by SPAWAR PMW-160 as a future Navy secure phone for future Naval Voice over Internet Protocol (VoIP) applications. With the technology described in this report, two tactical commanders can coordinate a tactical assault plan not only verbally, but also visually by exchanging drawings of troop movements or other visual information to enhance the effectiveness of voice coordination. This is intended to be a secure voice system for the 21st century.
The Pupillary Light Response Reveals the Focus of Covert Visual Attention (2013)

The pupillary light response is often assumed to be a reflex that is not susceptible to cognitive influences. In line with recent converging evidence, we show that this reflexive view is incomplete, and that the pupillary light response is modulated by covert visual attention: Covertly attending to a bright area causes a pupillary constriction, relative to attending to a dark area under identical visual input. This attention-related modulation of the pupillary light response predicts cuing effects in behavior, and can be used as an index of how strongly participants attend to a particular location. Therefore, we suggest that pupil size may offer a new way to continuously track the focus of covert visual attention, without requiring a manual response from the participant. The theoretical implication of this finding is that the pupillary light response is neither fully reflexive, nor under complete voluntary control, but is instead best characterized as a stereotyped response to a voluntarily selected target. In this sense, the pupillary light response is similar to saccadic and smooth pursuit eye movements. Together, eye movements and the pupillary light response maximize visual acuity, stabilize visual input, and selectively filter visual information as it enters the eye.
Stably Sustained Hydrogen Production with High Molar Yield through a Combination of a Marine Green Alga and a Photosynthetic Bacterium (1992)

Stably sustained continuous production of hydrogen with high molar yield was achieved through a combination of dark fermentative hydrogen evolution by Chlamydomonas sp. strain MGA161 and hydrogen photoevolution by a marine photosynthetic bacterium W-1S in an alternating light-dark cycle as a model of the day-night cycle. The newly isolated strain W-1S could use acetic acid and ethanol excreted by strain MGA161 as electron donors for hydrogen photoevolution. The fermentation broth of strain MGA161 stimulated the hydrogen photoproduction of strain W-1S. This alga-bacterial combination had a high conversion yield of 8 mol H2/mol of glucose of starch, with the possibility of improvement up to 10.5.
Predictive error detection in pianists: a combined ERP and motion capture study (2013)

Performing a piece of music involves the interplay of several cognitive and motor processes and requires extensive training to achieve a high skill level. However, even professional musicians commit errors occasionally. Previous event-related potential (ERP) studies have investigated the neurophysiological correlates of pitch errors during piano performance, and reported pre-error negativity already occurring approximately 70-100 ms before the error had been committed and audible. It was assumed that this pre-error negativity reflects predictive control processes that compare predicted consequences with actual consequences of one's own actions. However, in previous investigations, correct and incorrect pitch events were confounded by their different tempi. In addition, no data about the underlying movements were available. In the present study, we exploratively recorded the ERPs and 3D movement data of pianists' fingers simultaneously while they performed fingering exercises from memory. Results showed a pre-error negativity for incorrect keystrokes when both correct and incorrect keystrokes were performed with comparable tempi. Interestingly, even correct notes immediately preceding erroneous keystrokes elicited a very similar negativity. In addition, we explored the possibility of computing ERPs time-locked to a kinematic landmark in the finger motion trajectories defined by when a finger makes initial contact with the key surface, that is, at the onset of tactile feedback. Results suggest that incorrect notes elicited a small difference after the onset of tactile feedback, whereas correct notes preceding incorrect ones elicited negativity before the onset of tactile feedback. The results tentatively suggest that tactile feedback plays an important role in error-monitoring during piano performance, because the comparison between predicted and actual sensory (tactile) feedback may provide the information necessary for the detection of an upcoming error.
Intein-mediated in vitro synthesis of lipidated Ras proteins (2005)

Fully functional lipid-modified Ras proteins suitable for the study of Ras-membrane interactions and embodying exclusively native amide bonds can be synthesized in preparative amounts by means of Expressed Protein Ligation.
Functionally Modified Macroporous Membrane Prepared by using Pulsed Laser Deposition (2007)

Abstract Pulsed laser deposition (PLD) is used to deposit pure metals (Pt and Au) and a mixture of metals (Pt–Ru) at the surface of a porous aluminum anodic oxide (AAO) substrate. In the case of Pt, thick films (> 300 nm) with pore diameters larger than 150 nm (macroporous), replicating the pore structure of the underlying AAO substrate, are obtained when PLD is performed at high (> 50 eV at –1 ) kinetic energy ( E k ) conditions. At lower E k conditions, the characteristic structure of the AAO membrane is not discernable in the deposited film. In that case, the substrate is entirely covered by a film, the structure of which is not different from that of a Pt film deposited on a flat Si substrate under the same conditions. AAO membranes modified by macroporous Au and Pt–Ru alloy films are also prepared, demonstrating that the concept can be applied to a wide range of materials. The mechanisms responsible for the replication of the substrate pore structure in the metallic layer are discussed. These functionally modified macroporous membranes are electroactive and this aspect has been emphasized by studying the electrocatalytic properties of Pt and Pt–Ru modified macroporous membranes for CO oxidation.
Galacto-oligosaccharides production during lactose hydrolysis by free Aspergillus oryzae β-galactosidase and immobilized on magnetic polysiloxane-polyvinyl alcohol (2008)

The synthesis of galacto-oligosaccharides (GOS) by the action of Aspergillus oryzae β-galactosidase free and immobilized on magnetic polysiloxane-polyvinyl alcohol (mPOS-PVA) was studied. A maximum GOS concentration of 26% (w/v) of total sugars was achieved at near 55% lactose conversion from 50%, w/v lactose solution at pH 4.5 and 40 °C. Trisaccharides accounted for more than 81% of the total GOS produced. GOS formation was not considerably affected by pH and temperature. The concentrations of glucose and galactose encountered near maximum GOS concentration greatly inhibited the reactions and reduced GOS yield. GOS formation was not affected by enzyme immobilization in the mPOS-PVA matrix, indicating the absence of diffusional limitations in the enzyme carrier. Furthermore, this water insoluble magnetic derivative was reutilized 10-times and retained about 84% of the initial activity. In addition, the kinetic parameters for various initial lactose concentrations were determined and compared for the free and immobilized enzyme.
Widely Separated Reduction Processes of abpy-Coupled Areneosmium(II) Reaction Centers (abpy = 2,2‘-Azobispyridine):  Stabilization of the Radical Intermediate and of the Os<sup>0</sup>Os<sup>II</sup> State (2005)

Electrochemical reactivity patterns have been established by cyclic voltammetry, EPR, and UV/vis spectroelectrochemistry for the transition [(C6Me6)ClOs]+/[(C6Me6)Os] in mononuclear and dinuclear complexes with the 2,2‘-azobispyridine (abpy) and 2,2‘-bipyrimidine (bpym) bridging ligands. The isolated electron reservoir intermediate {[(μ-abpy)[OsCl(C6Me6)]2}•+ could be analyzed by X band and W band EPR with regard to 189Os hyperfine splitting and g anisotropy as an abpy anion radical species with significant contribution from the metal centers. The function of the π-conjugated acceptor ligand in mediating the interaction between two equivalent electron and atom transfer sites was analyzed through simulation of the cyclic voltammograms. In comparison with the system bridged by 2,2‘-bipyrimidine, the dinuclear abpy complex displays a much stronger interaction between the two organometallic reaction centers, as illustrated by the 1.14 V vs 0.42 V splitting between the redox potentials separating the two chloride-dissociative processes, i.e., stabilizing the Os0OsII mixed-valent form [(Me6C6)Os(μ-abpy)OsCl(C6Me6)]}+. This result parallels the observations made for (C5Me5)Rh- and (C5Me5)Ir-containing analogues and for the coupling of pure electron transfer centers through such bridging ligands.
Flow-Induced Planar Assembly of Parallel Carbon Nanotubes and Crossed Nanotube Junctions (2005)

We report the in-situ assembly of carbon nanotubes by chemical vapor deposition of hydrocarbon precursor (a solution of ferrocene dissolved in isopropyl alcohol). We utilized the vapor stream inside the reaction chamber to comb carbon nanotubes along the same direction and obtained two-dimensional (planar) assembly of nanotubes with tunable distributions. When the carbon source was flowing at a relatively higher rate of approximately 0.2 ml/min, most of nanotubes were driven along the vapor flow direction during their growth process and formed a thin freestanding mat featured with a parallel arrangement, whereas a lower flowing rate (approximately 0.05 ml/min) only resulted in random spider-web structures consisting of crossed nanotube junctions with a variety of configurations (e.g., "+", "Y", "T" shapes and twists). The measured direction-dependent electrical resistance of these two assemblies was in agreement with respective structures, which was anisotropic for parallel nanotubes and nearly isotropic for random networks. Such large-area planar carbon nanotube arrays with controlled orientation and various junction configurations will facilitate the design and fabrication of electronic and mechanical devices.
Silicon films on ceramic substrates (SOCS): growth and solar cells (2003)

In this work, we review the different steps of formation of silicon thin film solar cells on different ceramics, namely mullite, SiSiC and SiN. The p+ silicon seeding layer is obtained by high-temperature CVD followed by zone-melting recrystallization (ZMR) in order to enlarge the grains. The active p doped silicon layer is formed by epitaxy on the recrystallized Si film. The structural and electrical properties of the different layers are presented and the diffusion of contaminants from the ceramic substrates into the silicon film was investigated. Solar cells were prepared on such SOCS structures and their photovoltaic properties were evaluated.
High-level transcription of large gene regions: a novel T7 RNA-polymerase-based system for expression of functional hydrogenases in the phototrophic bacterium <i>Rhodobacter capsulatus</i> (2005)

High-level synthesis of complex enzymes like bacterial [NiFe] hydrogenases, in general, requires an expression system that allows concerted expression of a large number of genes. So far, it has not been possible to overproduce a hydrogenase in a stable and active form by using a customary expression system. Therefore we started to establish a new, T(7)-based expression system in the phototrophic bacterium Rhodobacter capsulatus. The beneficial properties of this bacterial host in combination with the unique capacity of T(7) RNA polymerase to synthesize long transcripts will allow the high-level synthesis and assembly of active hydrogenase as well as other complex enzymes in the near future.
Tilt compensation algorithm for 2-axis magnetic compass (2003)

A tilt compensation algorithm for a 2-axis magnetic compass is presented. The 3rd-axis data are estimated using the dip angle and the attitude information. The tilt error is compensated using the estimated data. This algorithm can be used to provide heading information to small portable devices such as mobile phones and PDAs.
Occupy Melbourne : Getting things done (2011)

Just what goes on at Occupy Melbourne meeting? Quite a bit, it would seem, given that the 99% boasts a grand total of 19 working groups, committees and discussion groups.
<i>N</i>-Butylpyrrolidinone as Alternative Solvent for Solid-Phase Peptide Synthesis (2018)

By means of a systematic approach, several green solvent candidates were tested for their feasibility to replace the reprotoxic dimethylformamide (DMF) as a solvent used in solid-phase peptide synthesis (SPPS). According to the results presented in this paper, it is clear that N-butylpyrrolidinone (NBP) is the best green solvent candidate to replace DMF in SPPS.
Short Notices (1970)

Journal Article Short Notices Get access HAROLD PERKIN HAROLD PERKIN University of Lancaster Search for other works by this author on: Oxford Academic Google Scholar The English Historical Review, Volume LXXXV, Issue 334, January 1970, Pages 193-b–194, https://doi.org/10.1093/ehr/LXXXV.334.193-b Published: 01 January 1970
Assembly intermediates among adenovirus type 5 temperature-sensitive mutants (1978)

Temperature-sensitive mutants from three different complementation groups, ts5, ts19, and 6s58, have been shown to accumulate assembly intermediates at the restrictive temperature. The polypeptide composition of these intermediates is similar to that of the wild type, including the precursor polypeptides pVI, pVII, and pVIII. ts5 and ts19 also contained cleaved precursors, indicating assembly into defective virions. The increase of infectious virus after temperature shift-down of ts19 and ts58 was rapid when compared with that of ts24, which does not accumulate intermediates, suggesting that intermediates formed at nonpermissive temperature may be processed to mature virus. However, shift-down experiments reveal that only a fraction of the intermediates are utilized for virus assembly and that degradation of intermediates occurs at the restrictive temperature.
On $g$-functions for subshifts (2006)

<!-- *** Custom HTML *** --> A necessary and sufficient condition is given for a subshift presentation to have a continuous $g$-function. An invariant necessary and sufficient condition is formulated for a subshift to posses a presentation that has a continuous $g$-function.
Cytotoxicity of an<sup>125</sup>I-Labelled DNA Ligand (2000)

The subcellular distribution and cytotoxicity of a DNA-binding ligand [125I]-Hoechst 33258 following incubation of K562 cells with the drug was investigated. The ability of a radical scavenger, dimethyl sulphoxide, to protect cells from the 125I-decay induced cell death was also studied. Three different concentrations and specific activities of the drug were used to provide different ligand : DNA binding ratios. The results demonstrated a trend toward improved delivery of the ligand to the nucleus and to chromatin at higher ligand concentrations, with concomitant increased sensitivity to 125I-decay induced cytotoxicity and decreased protection by dimethyl sulphoxide. This correlation of radiobiological parameters with subcellular drug distribution is consistent with the classical dogma that attributes cytotoxicity to DNA double-stranded breakage in the vicinity of the site of decay, where the high LET nature of the damage confers minimal sensitivity to radical scavenging.
Advanced S2 imaging spatial mode analysis: furthering modal characterization (2016)

Characterization of spatial mode content and dispersion properties in fiber laser systems and space-division multiplexing (SDM) applications is key to understanding fiber properties and system performance. Several techniques exist for modal characterization but often present limitations in the context in which they can be used efficiently. In this paper, we present a powerful analysis scheme that removes several of those limitations and pushes modal content analysis to a new level.