gebhart/patrepeval huggingface dataset:
Implementation of a Four-Class Motor Imagery Brain Computer Interface Using Long Short-Term Memory Neural Network (2022)

We have developed multi-channel dry-electrode electroencephalography (EEG) system to implement a brain computer interface (BCI) and discriminate four-class motor imagery signals. The EEG channels recorded from Fz, F3, F4, C3, Cz, C4, P3, and P4 positions, according to the international 10‒20 EEG system, were acquired and wirelessly transmitted to a personal computer. Five subjects were recruited to perform right hand, left hand, right foot, and left foot imagery movements with 60 trials in each movement type. EEG data were segmented into epochs from 0 to 8 s and anchored to time points of imagery movement cues. The segmented EEG epochs were pre-processed using the Morlet wavelet. A long short-term memory (LSTM) neural network with 64 LSTM cells was constructed to discriminate EEG signals recorded from different imagery movements. Among total EEG epochs, 80% were randomly chosen as training data and the rest 20% were used as validation data. The detection accuracy reached 89%.
A Clinical Comparison of the Tendency to Capsular Contracture Between Smooth and Textured Gel-Filled Silicone Mammary Implants (1992)

The aim of this prospective, controlled clinical investigation was to find out if there is a difference in the capsular contracture rate between silicone implants with a smooth or textured surface as the only difference. Twenty-five women with bilateral mammary hypoplasia underwent mammary augmentation. All got a textured implant on one side and a smooth implant on the other. The implants were placed subglandularly. Follow-up examinations were done on six occasions. Three parameters were used for estimation of the tendency to capsular contracture: (1) the patient's opinion on differences in hardness of the breasts, (2) the investigator's classification of capsular contracture, and (3) applanation tonometry. At the end of the follow-up period, after 1 year, all parameters showed with no doubt that the breasts augmented with textured implants had a lower tendency to develop contracting capsules than the breasts augmented with smooth implants.
THE DEPRESSION OF ESTRONE-INDUCED UTERINE GROWTH BY PHENOLIC ESTROGENS WITH OXYGENATED FUNCTIONS AT POSITIONS 6 OR 16: THE IMPEDED ESTROGENS (1955)

Two small groups of steroids in the estrane series-here designated as impeded estrogens,-represent a class of compounds which differ from the majority of estrogenic substances in exerting certain unusual influences on growth of the uterus. The induction of these effects previously was considered to be peculiar to estriol. The unusual growth properties common to impeded estrogens are twofold: (a) after the threshold dosage required to initiate growth has been reached, the slope of the curve of increment of uterine weight in response to increased steroid dosage is very gradual rather than steep; (b) these compounds possess the ability to inhibit to a limited extent the uterine growth induced by estrone administered concurrently. The partial inhibition of estrone-induced growth of the uterus is confined to a critical dosage of the impeded estrogen and is overcome by increased dosage of the inhibitor. Estrone-induced growth of the vagina is not inhibited by impeded estrogens. Furthermore the simultaneous administration of impeded estrogens and testosterone does not lessen the amount of uterine growth evoked by the latter. The impeded estrogens so far encountered are 3-hydroxyestratriene derivatives possessing either a ketone group at position 6 or a hydroxyl group at position 16. Oxygenated functions at these positions in phenolic estrogens have special significance in the excitation and restraint of uterine growth unshared by similar groups at certain other sites of the estrane molecule.
The Use of Phased Array UT Inspection of OCTG (2005)

Abstract This paper covers the use of Ultrasonic (UT) Phased Arrays for the automated full length ultrasonic inspection of tubular goods. The technology provides increased flexibility to adapt to varying defect locations, shapes and orientations. Demanding inspection parameters can be optimized for tubulars such as those used in High Pressure/High Temperature Sour Wells.
Long‐term Trends in Meteorological Conditions Favorable for Dollar Spot in Eastern Portions of the United States (2007)

Two existing predictive models for dollar spot, caused by Sclerotinia homoeocarpa F.T. Bennet, were modified to a single model to accept archived National Weather Service hourly meteorological observations. The revised model was used to identify trends in the potential for dollar spot epidemics from 1950‐2004. The frequency of meteorological conditions conducive to dollar spot has increased at the majority of nearly 100 sites in the northeastern quadrant of the United States. Statistically significant trends in favorable weather conditions for dollar spot existed across the region with the greatest trends in the Southeast and Midwest sub‐regions. Compared to 1975, these areas on average experienced 24 more days in 2004 that were more favorable for dollar spot occurrence. It appears that the increase in favorable conditions for dollar spot epidemics was best explained by rainfall frequency. Increased disease pressure could require additional fungicide inputs to maintain high quality golf turf plagued with dollar spot.
Evaluation and Comparison of Prediction Stability for User Movement Pattern Detection Algorithms (2006)

With increasing availability of high bandwidth mobile networks, ranging from classical UMTS up to local IEEE 802.16 cells, efficient management for mobile resources gains additional significance. Approaches targeting at detecting repeating patterns in mobile user movements enable network operators to react to cell handovers and bottle necks in advance. This paper discusses several methods to extract movement patterns from mobile users and analyses sensitiveness to mobility data and algorithm parametrisation.
Dynamic Changes in Pro- and Anti-Inflammatory Cytokine Profiles and Gamma Interferon Receptor Signaling Integrity Correlate with Tuberculosis Disease Activity and Response to Curative Treatment (2006)

Pro- and anti-inflammatory cytokines and their signaling pathways play key roles in protection from and pathogenesis of mycobacterial infection, and their balance and dynamic changes may control or predict clinical outcome. Peripheral blood cells' capacity to produce proinflammatory (tumor necrosis factor alpha [TNF-alpha], interleukin-12/23p40 [IL-12/23p40], and gamma interferon [IFN-gamma]) and anti-inflammatory (IL-10) cytokines in response to Mycobacterium tuberculosis or unrelated stimuli (lipopolysaccharide, phytohemagglutinin) was studied in 93 pulmonary tuberculosis (TB) patients and 127 healthy controls from Indonesia. Their cells' ability to respond to IFN-gamma was examined to investigate whether M. tuberculosis infection can also inhibit IFN-gamma receptor (IFN-gammaR) signaling. Although there was interindividual variability in the observed responses, the overall results revealed that M. tuberculosis-induced TNF-alpha and IFN-gamma levels showed opposite trends. Whereas TNF-alpha production was higher in active-TB patients than in controls, IFN-gamma production was strongly depressed during active TB, correlated inversely with TB disease severity, and increased during therapy. By contrast, mitogen-induced IFN-gamma production, although lower in patients than in controls, did not change during treatment, suggesting an M. tuberculosis-specific and reversible component in the depression of IFN-gamma. Depressed IFN-gamma production was not due to decreased IL-12/IL-23 production. Importantly, IFN-gamma-inducible responses were also significantly depressed during active TB and normalized during treatment, revealing disease activity-related and reversible impairment in IFN-gammaR signaling in TB. Finally, IFN-gamma/IL-10 ratios significantly correlated with TB cure. Taken together, these results show that M. tuberculosis-specific stimulation of IFN-gamma (but not TNF-alpha) production and IFN-gammaR signaling are significantly depressed in active TB, correlate with TB disease severity and activity, and normalize during microbiological TB cure. The depression of both IFN-gamma production and IFN-gammaR signaling may synergize in contributing to defective host control in active TB.
Controlled Release of Insulin From Polymer Matrices: In Vitro Kinetics (1986)

A biocompatible system was developed that permits continuous release of biologically active insulin from small polymer matrices. Powdered insulin particles were incorporated into an ethylene-vinyl acetate copolymer matrix. The presence of particulate insulin resulted in a matrix composed of tortuous channels and constricted pores through which release occurred. When aqueous release media permeated the matrix, the insulin dissolved and diffused slowly through this tortuous network. The large concentration of insulin within the matrix provided the driving force for release. Release kinetics from these insulin polymer matrices were enhanced by increasing the insulin solubility, the insulin powder particle size, the loading of insulin within the matrix, and the porosity of the matrix. Appropriate geometric design of the polymer matrix resulted in near-constant insulin release rates.
Steganography in Images: An Overview (2003)

This paper gives an overview of the steganography process and reviews different steganalysis methods for images. Steganography involves sending a message through some innocuous carrier, for example an image or an audio file, to a receiver while preventing anyone else from knowing that a message is being sent at all. Computer based steganography allows changes to be made to digital carriers e.g. an image. These changes represent the hidden message but result, if successful, in no discernible change to the carrier. In both cases the objective is not to make it difficult to read the message as cryptography does, but to hide the existence of the message in the first place. To investigate image-based steganography six common methods of steganography were implemented and their strengths and weaknesses were evaluated. To provide a common frame of reference, all of the steganography methods were implemented and analysed using GIF images. The methods were chosen for their different strengths in terms of resistance to different types of steganalysis or their ability to maximise the size of the message they could store. All of the methods used were based on the manipulation of the least significant bits of pixel values or the rearrangement of colours to create least significant bit or parity bit patterns that correspond to the message being hidden. The stegoed image inevitably suffered some distortion from the steganography process. In the case of manipulation of the least significant bits of pixel values there were strong indications of steganography in the palette also. Overall the colour rearrangement technique appears to be the most resistant to detection if suitable images are chosen. Techniques which attempt to maximise the message size they can store appear to be the least resistant to detection.
Data densification in a relational database system (2004)

Data in a relational data warehouse is usually sparse. That is, if no value exists for a given combination of dimension values, no row exists in the fact table. Densities of 0.1-2% are very common. However, users may want to view the data in a dense form, with rows for all combination of dimension values displayed even when no fact data exists for them. For example, if a product did not sell during a particular time period, users may still want to see the product for that time period with zero sales value next to it. Moreover, analytic window functions [1] and the SQL model clause [2] can more easily express time series calculations if data is dense along the time dimension because dense data will fill a consistent number of rows for each period.Data densification is the process of converting spare data into dense form. The current SQL technique for densification (using the combination of DISTINCT, CROSS JOIN and OUTER JOIN operations) is extremely unintuitive, difficult to express and inefficient to compute. Hence, we propose an extension to the ANSI SQL join operator, referred to as "PARTITIONED OUTER JOIN", which allows for a succinct expression of densification along the dimensions of interest. We also present various algorithms to evaluate the new join operator efficiently and compare it with existing methods of doing the equivalent operation. We also define a new window function "LAST_VALUE (IGNORE NULLS)" which is very useful with partitioned outer join.
Evaluation of advanced regenerator systems (1978)

The major considerations are discussed which will affect the selection of a ceramic regenerative heat exchanger for an improved 100 HP automotive gas turbine engine. The regenerator considered for this application is about 36cm in diameter. Regenerator comparisons are made on the basis of material, method of fabrication, cost, and performance. A regenerator inlet temperature of 1000 C is assumed for performance comparisons, and laboratory test results are discussed for material comparisons at 1100 and 1200 C. Engine test results using the Ford 707 industrial gas turbine engine are also discussed.
FEASIBILITY STUDY OF ANTENNA INTEGRATED CAPACITIVE SENSOR IN OPERATIONAL MOBILE PHONE (2011)

An antenna integrated sensor implementation for hand or flnger proximity recognition is developed. Capacitive sensor was installed on the antenna of functional Nokia 6021 phone. The sensitivity of the phone with planar inverted F antenna (PIFA) integrated sensor was measured with active TRP (total radiated power) and TIS (total isotropic sensitivity) measurements. Phone active measurements were performed with/without data cables and compared to reference phones. Passive cable phone measurements were compared with active measurement results. TRP results had no signiflcant decrements due to integration compared with the reference phone. Some TIS channels sufiered from detrimental efiects due to interfering signals, which were measured with a spectrum analyzer.
ChemInform Abstract: REACTION BEHAVIOR OF SELECTED CARBOXYLIC ACID AMIDES TOWARDS HETEROCUMULENES. SYNTHESIS OF N‐AROYL(HETEROAROYL)GUANIDINES, AROYLISOTHIOUREAS, AND 2‐AMINOTHIAZOLES (1982)

Abstract Durch Reaktion von Säureamiden mit Phenylisothiocyanat und Alkylierungsreagenzien werden Isothioharnstoffe, wie z.B. (III), dargestellt.
Site-Specific Covalent Conjugation of Modified mRNA by tRNA Guanine Transglycosylase (2017)

Modified mRNA (mod-mRNA) has recently been widely studied as the form of RNA useful for therapeutic applications due to its high stability and lowered immune response. Herein, we extend the scope of the recently established RNA-TAG (transglycosylation at guanosine) methodology, a novel approach for genetically encoded site-specific labeling of large mRNA transcripts, by employing mod-mRNA as substrate. As a proof of concept, we covalently attached a fluorescent probe to mCherry encoding mod-mRNA transcripts bearing 5-methylcytidine and/or pseudouridine substitutions with high labeling efficiencies. To provide a versatile labeling methodology with a wide range of possible applications, we employed a two-step strategy for functionalization of the mod-mRNA to highlight the therapeutic potential of this new methodology. We envision that this novel and facile labeling methodology of mod-RNA will have great potential in decorating both coding and noncoding therapeutic RNAs with a variety of diagnostic and functional moieties.
Heparin‐derived disaccharides modulate proliferation and Erb‐B2–mediated signal transduction in colon cancer cell lines (2002)

Organ-specific extracellular matrix (ECM) determines metastasis formation by regulating tumor cell proliferation. Hepatocyte-derived ECM enhances proliferation of colon cancer cell lines by increasing expression of tyrosine kinase receptors of the erb-B family. The active components in the ECM are the heparan sulfates, which are highly heterogeneous in their chemistry and size. We determined the effect of heparan sulfate disaccharides, of defined chemistry and present in high amounts in the liver heparan sulfate chains, on the proliferation of colon cancer cell lines and investigated the mechanism involved. The low-metastatic cell line KM12 was stimulated to proliferate by a highly sulfated disaccharide, found in the highest amounts in hepatocyte-derived heparan sulfate. Growth of the highly metastatic cell line KM12SM was inhibited by the second most common disaccharide in hepatocyte-derived heparan sulfate. The effect of both disaccharides was not accompanied by changes in the expression of erb-B1, erb-B2, erb-B3 or heregulin-alpha. We determined whether the disaccharides modified the signal-transduction pathways mediated by the erb-B receptors. The erb-B2-specific tyrosine kinase inhibitor AG825 abolished the enhancement of KM12 cell proliferation by the stimulatory disaccharide. This disaccharide increased tyrosine phosphorylation of erb-B1 and erb-B2 receptors, effects that were abolished by AG825. Moreover, the disaccharide caused increased expression of cyclin D1 and of activated MAP kinase, again reduced in the presence of the inhibitor AG825. The growth-inhibitory disaccharide reduced phosphorylation of erb-B1, but not of erb-B2, receptors in KM12SM cells. In conclusion, not only hepatocyte-derived heparan sulfate but also disaccharide molecules derived from heparan sulfate can affect colon cancer cell proliferation. Their effect is mediated by modulation of the erb-B signal transduction.
Characterization of Commercial Kava-Kava Herbal Drug and Herbal Drug Preparations by Means of Nuclear Magnetic Resonance Spectroscopy (2002)

The efficiency of one- and two-dimensional NMR experiments in characterizing the content of the constituents of both herbal drugs and herbal drug preparations is demonstrated for kava-kava. These experiments directly detect active constituents represented by kavalactones in both a finely powdered herbal drug and a commercial extract. In addition, NMR spectroscopy can detect all other compounds present in the extract. As previously evidenced, NMR experiments can represent a generally applicable technique for rapid screening and are a complement to the classical analytical techniques such as high-performance thin-layer chromatography, high-performance liquid chromatography, capillary gas chromatography, and electrophoresis. These experiments can be considered a very simple and fast analytical method to obtain a fingerprint of the herbal drugs and their preparations, and to quantify the content of the active principles of the extract.
Influence of hydrogenated diesel/H2O2 blend fuel on diesel engine performance and exhaust emission characterization (2023)

The oxygenated hydro diesel (OHD) is prepared from hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>), acetone, and seaweed polysaccharide. A long-term study was carried out on the OHD fuel blend stability for about a year at various temperatures. The long-term stability shows very stable properties, no easy emulsion breaking, and a long storage period. The neat diesel and blend fuel performance test was conducted at various engine speeds, 1700-3100 RPM the diesel blend with 5 wt.% and 10 wt. % of H<sub>2</sub>O<sub>2</sub> revealed the best fraction for reducing smoke and emissions. The blend contains 15 wt.% H<sub>2</sub>O<sub>2,</sub> revealing a significant reduction in exhaust temperature without considering the engine's performance. Moreover, the performance of the OHD also revealed an economizing rate, decreasing environmental pollution and prolonging the engine's service life. The diesel engine performance and environmental evaluation leading to exhaust emissions characterization ([Formula: see text], [Formula: see text], and others). Based on the results, the various concentrations of H<sub>2</sub>O<sub>2</sub> are an effective method for reducing the emission of diesel engines. Decreased CO, SO<sub>2</sub>, unburned hydrocarbons, and NO<sub>2</sub> were also observed as percentages of H<sub>2</sub>O<sub>2</sub>. Due to increased oxygen content, water content and cetane number, the number of unburned hydrocarbons from diesel fuel decreased with the addition of H<sub>2</sub>O<sub>2</sub>. Therefore, the OHD blend can significantly curtail the exhaust emission of conventional diesel fuel, which will help reduce the harmful greenhouse gas emissions from diesel fuel sources.
Chelating ligands functionalized for facile attachment to biomolecules. A convenient route to 4-isothiocyanatobenzyl derivatives of diethylenetriaminepentaacetic acid and ethylenediaminetetraacetic acid (1990)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTChelating ligands functionalized for facile attachment to biomolecules. A convenient route to 4-isothiocyanatobenzyl derivatives of diethylenetriaminepentaacetic acid and ethylenediaminetetraacetic acidJohn F. W. Keana and Jeffry S. MannCite this: J. Org. Chem. 1990, 55, 9, 2868–2871Publication Date (Print):April 1, 1990Publication History Published online1 May 2002Published inissue 1 April 1990https://pubs.acs.org/doi/10.1021/jo00296a057https://doi.org/10.1021/jo00296a057research-articleACS PublicationsRequest reuse permissionsArticle Views644Altmetric-Citations27LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
Changes inNeisseria meningitidisDisease Epidemiology in the United States, 1998–2007: Implications for Prevention of Meningococcal Disease (2009)

Before the introduction of the quadrivalent meningococcal conjugate vaccine, the incidence of meningococcal disease in the United States decreased to a historic low. However, meningococcal disease still causes a substantial burden of disease among all age groups. Future vaccination strategies may include targeting infants and preventing serogroup B meningococcal disease.