gebhart/patrepeval huggingface dataset:
Advanced glycation endproducts cause lipid peroxidation in the human neuronal cell line SH-SY5Y (2003)

Advanced glycation endproducts (AGEs), sugar-derived protein modifications and lipid peroxidation products are prominent features of Alzheimer's disease. AGEs accumulate on beta-amyloid plaques during the course of the disease and can exert chronic oxidative stress via receptor-mediated mechanisms. Lipid peroxidation products such as hydroxynonenal, further markers of oxidative stress, are also increased in Alzheimer's diesease. In this study we present evidence for a direct biochemical link between AGEs and lipid peroxidation. Our results show that AGEs induce lipid peroxidation in a neuronal cell line in a dose-dependant manner, and that blocking the specific AGE-receptor RAGE, as well as using different antioxidants (alpha-lipoic acid, N-acetylcysteine, 17 beta-estradiol or aminoguanidine) can reduce the AGE-mediated formation of lipid peroxidation products. Thus, both RAGE antagonists and scavengers of oxygen free radicals could be useful in protecting brain tissue from lipid peroxidation and its pathophysilogical consequences that occur in Alzheimer's disease.
Synchronously deployable tetrahedral truss reflector (1985)

For apertures above 50 meters, the high structural stiffness and compact packaging of tetrahedral truss make this concept an attractive candidate for the reflector support structure. Various features of a deployable, foldable, doubly curved tetrahedral truss structure are presented as well as methods used to design the truss geometry and to synchronize deployment of the folding elements. An arc division method for distributing truss nodal locations over a doubly curved reflector surface is shown to decrease differences in surface strut lengths and to increase the geometric similarity of all node condigurations in each strut surface. These features enhance the design of a single node and strut synchronizer mechanism for each surface examined. The folding error resulting from using this approach is minimal.
국제퉁상 : 한국 해외직접투자의 제3국 공간효과 분석 (2013)

본고에서는 한국의 해외직접투자 자료를 이용하여 외국인직접투자결정이 유치국의 결정요인뿐만 아니라 주변국의 외국인직접투자에도 의존하는지를 분석하기 위해 공간시차자기회귀분석을 하였다. 한국의 해외직접투자의 연구에서 주변국의 영향을 미치는 제3국 공간효과에 대한 분석이 거의 이루어지지 않았었다. 본고는 이러한 공간효과를 분석하기 위해 전세계에 진출한 한국의 해외투자 대상 국가 중에서 57개 국가를 선정하여 분석하였다. 분석결과, 본고는 전통적인 FDI결정요인들이 공간효과를 포함할 경우, 더 강한 영향을 미치는 사실을 발견하였다. 더욱이 한국의 해외 FDI가 공간적으로 영향을 받는 것을 발견하였다. 하지만 분석대상을 지역별로 분류하여 재분석한 결과, 전통적인 FDI 결정요인은 물론 공간효과의 변수들도 매우 민감하게 변한다는 사실을 발견하였다. 따라서 본고는 한국의 해외직접투자에는 공간효과는 물론 전통적인 FDI 결정요인들이 국가별로 상이한 영향을 준다는 결론을 내렸다. 이와 더불어 FDI의 공간효과를 분석할 때, 지역별로 분리하여 분석하는 것보다는 전체자료를 대상으로 분석하는 것이 공간효과를 도출하는데 합리적이라는 시사점을 제시하였다.
Line voltage regulation of urban transit systems using supercapacitors (2009)

In DC electric railway system, when the railcar starts, the electric power is absorbed from the line, and then the line voltage is instantaneously collapsed to provide a large accelerating torque. On the other hand, when the railcar brakes, the regenerative power is created and it increases the line voltage at the pantograph of the railcar. If it is possible to install an energy storage system near the train, the regenerated power can be saved to this system. This paper describes the control of energy storage system which consists of a supercapacitor bank and a bidirectional DC-DC converter. Supercapacitor can be used for storing the regenerative energy and for peak power requirement to increase the efficiency and life cycle of the system. This paper presents a method to identify the parameters of supercapacitor equivalent circuit by using the experimental results. In order to verify the validity of this method, parameters of a Maxwell BCAP 3000F are extracted through the experiments and then the equivalent circuit model using these parameters is implemented for PSiM simulation. And the control strategy of a bidirectional DC-DC converter is described to meet the performance for the initial charging mode and power control mode. Finally the experimental data in laboratory and at Kyoungsan test site for urban light rail road system are provided in detail. From the simulation and experimental results, the validity of this energy storage system using capacitor is verified.
GaN-Based Devices on Si (2002)

Nowadays, GaN-based devices are usually grown on sapphire or silicon-carbide substrates. These are either insulating or very expensive and not available in large diameter. A well-conducting low-cost alternative is silicon also enabling the integration of optoelectronics or high-power electronics with Si-based electronics. The main problem limiting a fast progress of GaN growth on silicon is the thermal mismatch of GaN and Si leading to cracks even below device-relevant layer thicknesses. In the last few years, since the first demonstration of a molecular beam epitaxy grown GaN-based light emitting diode on Si in 1998 the activities in research of GaN on Si increased dramatically. Meanwhile, several concepts to lower stress, avoid cracks, and improve the material quality exist. Meanwhile the material quality has improved significantly and is about as good as on sapphire so that it is only a question of time until GaN-based devices on Si come into market. This article gives a review on the latest developments in group-III nitride growth on Si by metal organic vapor phase epitaxy.
Robust Digital Twin Compositions for Industry 4.0 Smart Manufacturing Systems (2018)

Industry 4.0 is an emerging business paradigm that is reaping the benefits of enabling technologies driving intelligent systems and environments. By acquiring, processing and acting upon various kinds of relevant context information, smart automated manufacturing systems can make well-informed decisions to adapt and optimize their production processes at runtime. To manage this complexity, the manufacturing world is proposing the 'Digital Twin' model to represent physical products in the real space and their virtual counterparts in the virtual space, with data connections to tie the virtual and real products together for an augmented view of the manufacturing workflow. The benefits of such representations are simplified process simulations and efficiency optimizations, predictions, early warnings, etc. However, the robustness and fidelity of digital twins are a critical concern, especially when independently developed production systems and corresponding digital twins interfere with one another in a manufacturing workflow and jeopardize the proper behavior of production systems. We therefore evaluate the addition of safeguards to digital twins for smart cyber-physical production systems (CPPS) in an Industry 4.0 manufacturing workflow in the form of feature toggles that are managed at runtime by software circuit breakers. Our evaluation shows how these improvements can increase the robustness of interacting digital twins by avoiding local errors from cascading through the distributed production or manufacturing workflow.
A new species of Dalla from Chiapas, Mexico (Lepidoptera, Hesperiidae, Heteropterinae). (2011)

A new species of Dalla is described from montane cloud forest habitats in southern Chiapas, Mexico. Based on male genitalia and characters of the wings and body, the new species appears to be closest to Dalla steinhauseri, a taxon known from montane cloud forest in eastern Oaxaca, Mexico, although it has been confused with Dalla freemani in the literature.
Contact-Level Multistatic Sonar Data Simulator for Tracker Performance Assessment (2006)

This paper provides an overview of a multistatic sonar contact-data simulation approach and a dataset generated specifically for tracker algorithm evaluation by the multistatic tracking working group (MSTWG). A brief description of the simulation approach is given, which includes simple sonar equation modeling, resulting in sensor-to-sensor target fading effects, as well as contact localization modeling. We describe the methodology by which a single data set generated using this approach is suitable to evaluate multistatic tracker performance over a range of multi-sensor detection redundancy levels
A model for bundling mobile value added services using neural networks (2012)

Mobile value added services has emerged as one of the significant revenue generators for the mobile telecommunication industry. With the large array of service offerings, telecom providers engage in active advertising of service bundles to attract new as well as retain the existing customers. Focused advertising by personalising the service bundles based on individual customer preferences is a key success factor of such campaigns. This paper proposes the application of a neural network-based decision support model for pattern association using which mixed bundles of such services may be identified, as per customer preferences, so as to induce higher conversion in cross-sales and up-sales. Consumer service preferences can be combined with some standard packages of VAS bundles to personalise the service bundles and these service bundles would be generated dynamically. Identifying and promoting such services identified through pattern association rules will have a direct impact on the overall profitability of the service provider.
Position-sensitive devices and sensor systems for optical tracking and displacement sensing applications (2000)

This thesis describes position-sensitive devices (PSDs) and optical sensor systems suitable for industrial tracking and displacement sensing applications. The main application areas of the proposed sensors include automatic pointing of a rangefinder beam and measuring the lateral displacement of an object. A conventional tracking sensor is composed of a laser illuminator, a misfocused quadrant detector (QD) receiver and a corner cube retroreflector (CCR) attached to the target. The angular displacement of a target from the receiver optical axis is detected by illuminating the target and determining the direction of the reflection using the QD receiver. The main contribution of the thesis is related to the modifications proposed for this conventional construction in order to make its performance sufficient for industrial applications that require a few millimetre to submillimetre accuracy. The work includes sensor optical construction modifications and the designing of new types of PSDs. The conventional QD-based sensor, although electrically very sensitive, is not considered optimal for industrial applications since its precision is severely hampered by atmospheric turbulence due to the misfocusing needed for its operation. Replacing the CCR with a sheet reflector is found to improve the precision of the conventional sensor construction in outdoor beam pointing applications, and is estimated to allow subcentimetre precision over distances of up to 100 m under most operating conditions. Submillimetre accuracy is achievable in close-range beam pointing applications using a small piece of sheet reflector, coaxial illumination and a focused QD receiver. Polarisation filtering is found to be effective in eliminating the main error contributor in close-range applications, which is low reflector background contrast, especially in cases when a sheet reflector has a specularly reflecting background. The tracking sensor construction is also proposed for measuring the aiming trajectory of a firearm in an outdoor environment. This time an order of magnitude improvement in precision is achieved by replacing the QD with a focused lateral effect photodiode (LEP). Use of this construction in cases of intermediate atmospheric turbulence allows a precision better than 1 cm to be achieved up to a distance of 300 m. A method based on averaging the positions of multiple reflectors is also proposed in order to improve the precision in turbulence-limited cases. Finally, various types of custom-designed PSDs utilising a photodetector array structure are presented for long-range displacement sensing applications. The goal was to be able to replace the noisy LEP with a low-noise PSD without compromising the low turbulence sensitivity achievable with the LEP. An order of magnitude improvement in incremental sensitivity is achievable with the proposed
Applications of laboratory-based X-ray microbeam diffraction and fluorescence analysis (1994)

The quantitative structural and chemical analysis of bulk materials is generally done using x-ray diffraction and fluorescence techniques. This is due, in large part, to the vast body of work which has gone into characterizing the x-ray scattering process and the ease with which this interaction canbe kinematically modeled to high precision. Other salient features of x-ray analytical techniques aretheir use as subsurface probes, they require minimal specimen preparation, and ambient conditions are generally adequate for analysis. However, as microanalytical tools, these techniques were typically abandoned because of the difficulty encountered in confining the x-rays to dimensions <<.1 mm with sufficient intensity for a timely analysis. Recently, there has been a rekindled interestin x-ray microbeam analysis because of the reintroduction of tapered capillaries as total reflection x-ray optics. Tapered capillaries can essentially capture larger solid angles nearer the x-ray sourceand act as x-ray wave guides to transport the x-rays to the specimen with high efficiency. It is now possible using laboratory x-ray sources, to produce x-ray beams suitable for diffraction or fluorescence analysis, with diameters in the range of 3-12 μm. X-ray diffraction patterns have been acquired from diffraction volumes as small as 2 μm and fluorescence maps with 5 μm spatialresolution have been demonstrated.
Mutant Prevention Concentrations of ABT-492, Levofloxacin, Moxifloxacin, and Gatifloxacin against Three Common Respiratory Pathogens (2005)

The purpose of this study was to compare the mutant prevention concentration (MPC) of ABT-492 to those of levofloxacin, moxifloxacin, and gatifloxacin against Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis. The fluoroquinolones had comparable mutation selection windows, which is the ratio of MPC/MIC, for all isolates.
Variability in different lots of commercial bovine serum albumin affects cell multiplication and hatching of rabbit blastocysts in culture (1983)

Rabbit morulae were cultured in vitro for 4 days in a synthetic culture medium supplemented with two different lots of commercial bovine serum albumin (BSA) and two different amino acid formulations in a factorial 2 x 2 arrangement. One lot of BSA caused complete hatching of a proportion of blastocysts and formation of more than twice as many cells per blastocyst (hatched and unhatched) as that of the second BSA lot which did not cause complete hatching of any blastocysts. The mean cell numbers of hatched blastocysts were more than twice those of non-hatched blastocysts. There was no significant effect of amino acid formulation.
An efficient and scalable re-authentication protocol over wireless sensor network (2011)

Although wireless sensor network is considered as one of promising technologies for ubiquitous computing environment, more researches for re-authentication of mobile nodes in wireless sensor network are required due to user mobility, one of important properties in ubiquitous computing environment. As the citizens in a city can be mobile user in wireless sensor network and the resource of the sensor nodes is limited, scalability of re-authentication is important. In other words, re-authentication with less communication cost should be proposed. In this paper, we suggest an efficient method of membership verification for re-authentication of mobile node and show the performance analysis of our membership verification. Using this method, we propose an efficient and scalable reauthentication protocol over wireless sensor network. Also, we provide performance and security analysis of our protocol.
P HYSICIAN F IELD R ESPONSE : A N ATIONAL S URVEY (2000)

There is a wide variability in the availability, training, and scope of practice of PFR units across the country. No standardization or trends could be detected.
Curcumin protects against ovariectomy‐induced bone loss and decreases osteoclastogenesis (2011)

Curcumin has anti-oxidative activity. In view of the increasing evidence for a biochemical link between increased oxidative stress and reduced bone density we hypothesized that curcumin might increase bone density by elevating antioxidant activity in some target cell type. We measured bone density by Micro-CT, enzyme expression levels by quantitative PCR or enzyme activity, and osteoclast (OC) formation by tartrate-resistant acid phosphatase staining. The bone mineral density of the femurs of curcumin-administered mice was significantly higher than that of vehicle-treated mice after ovariectomy (OVX) and this was accompanied by reduced amounts of serum collagen-type I fragments, which are markers of bone resorption. Curcumin suppressed OC formation by increasing receptor activator of nuclear factor-κB ligand (RANKL)-induced glutathione peroxidase-1, and reversed the stimulatory effect of homocysteine, a known H(2) O(2) generator, on OC formation by restoring Gpx activity. Curcumin generated an aberrant RANKL signal characterized by reduced expression of nuclear factor of activated T cells 2 (NFAT2) and attenuated activation of mitogen-activated protein kinases (ERK, JNK, and p38). Curcumin thus inhibited OVX-induced bone loss, at least in part by reducing osteoclastogenesis as a result of increased antioxidant activity and impaired RANKL signaling. These findings suggest that bone loss associated with estrogen deficiency could be attenuated by curcumin administration.
State‐of‐the‐art FISHing: Automated analysis of cytogenetic aberrations in interphase nuclei (2012)

Interphase fluorescence in situ hybridization (i-FISH) is a powerful tool for visualizing various molecular targets in non-dividing cells. Manual scoring of i-FISH signals is a labor intensive, time-consuming, and error-prone process liable to subjective interpretation. Automated evaluation of signal patterns provides the opportunity to overcome these difficulties. The first report on automated i-FISH analysis has been published 20 years ago and since then several applications have been introduced in the fields of oncology, and prenatal and fertility screening. In this article, we provide an insight into the automated i-FISH analysis including its course, brief history, clinical applications, and advantages and challenges. The lack of guidelines for describing new automated i-FISH methods hampers the precise comparison of performance of various applications published, thus, we make a proposal for a panel of parameters essential to introduce and standardize new applications and reproduce previously described technologies.
E (1987)

LES ELFESBallet-pantomime en trois actes d’Henri de Saint-Georges et Joseph Mazilier.Musique de Nicola Gabrielli.Création au Théâtre de l’Opéra (salle Le Peletier) le 11 août 1856Décors de Joseph Nolau et Auguste Rubé (A. I), Édouard Despléchin (A. II, t. 1), Hugues Martin (A. II, t. 2), Charles Cambon et Joseph Thierry (A. III).
On the Added Value of Quad-Pol Data in a Multi-Temporal Crop Classification Framework Based on RADARSAT-2 Imagery (2016)

Polarimetric SAR images are a rich data source for crop mapping. However, quad-pol sensors have some limitations due to their complexity, increased data rate, and reduced coverage and revisit time. The main objective of this study was to evaluate the added value of quad-pol data in a multi-temporal crop classification framework based on SAR imagery. With this aim, three RADARSAT-2 scenes were acquired between May and June 2010. Once we analyzed the separability and the descriptive analysis of the features, an object-based supervised classification was performed using the Random Forests classification algorithm. Classification results obtained with dual-pol (VV-VH) data as input were compared to those using quad-pol data in different polarization bases (linear H-V, circular, and linear 45°), and also to configurations where several polarimetric features (Pauli and Cloude–Pottier decomposition features and co-pol coherence and phase difference) were added. Dual-pol data obtained satisfactory results, equal to those obtained with quad-pol data (in H-V basis) in terms of overall accuracy (0.79) and Kappa values (0.69). Quad-pol data in circular and linear 45° bases resulted in lower accuracies. The inclusion of polarimetric features, particularly co-pol coherence and phase difference, resulted in enhanced classification accuracies with an overall accuracy of 0.86 and Kappa of 0.79 in the best case, when all the polarimetric features were added. Improvements were also observed in the identification of some particular crops, but major crops like cereals, rapeseed, and sunflower already achieved a satisfactory accuracy with the VV-VH dual-pol configuration and obtained only minor improvements. Therefore, it can be concluded that C-band VV-VH dual-pol data is almost ready to be used operationally for crop mapping as long as at least three acquisitions in dates reflecting key growth stages representing typical phenology differences of the present crops are available. In the near future, issues regarding the classification of crops with small field sizes and heterogeneous cover (i.e., fallow and grasslands) need to be tackled to make this application fully operational.
A Modular Approach for the Synthesis of Nanometer-Sized Polynitroxide Multi-Spin Systems (2014)

The synthesis of rigid symmetric polyradical model systems with inter-spin distances between 1.4 and 4 nm and their room temperature continuous wave (CW) EPR spectra are reported. Conditions for attachment of the spin-label via esterification have been optimized on the direct synthesis of polyradicals from commercially available polyphenols and the carboxylic acid functionalized nitroxide TPC. A common synthetic protocol utilizing 4-hydroxy-4'-iodobiphenyl as a key building block has been used to synthesize an equilateral biradical and a triradical in only two steps from commercially available starting materials. The first synthesis of a tetraradical based upon an adamantane core bearing six equivalent nitroxide-nitroxide distances is also reported. These systems are very promising candidates for studying multi-spin effects in pulsed EPR distance measurements.
Properties of Styrene-Polyester Copolymers (1955)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTProperties of Styrene-Polyester CopolymersJames M. Church and Conrad BerensonCite this: Ind. Eng. Chem. 1955, 47, 12, 2456–2462Publication Date (Print):December 1, 1955Publication History Published online1 May 2002Published inissue 1 December 1955https://pubs.acs.org/doi/10.1021/ie50552a028https://doi.org/10.1021/ie50552a028research-articleACS PublicationsRequest reuse permissionsArticle Views259Altmetric-Citations5LEARN 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 options Get e-Alerts