gebhart/patrepeval huggingface dataset:
The Methylation of Enamines of 1-Azabicycloalkanes<sup>1</sup> (1965)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Methylation of Enamines of 1-Azabicycloalkanes1Manfred G. Reinecke and Louis R. KrayCite this: J. Org. Chem. 1965, 30, 11, 3671–3676Publication Date (Print):November 1, 1965Publication History Published online1 May 2002Published inissue 1 November 1965https://doi.org/10.1021/jo01022a019RIGHTS & PERMISSIONSArticle Views177Altmetric-Citations4LEARN 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 InReddit PDF (759 KB) Get e-Alerts Get e-Alerts
[The endocannabinoid system as a target for the development of new drugs for cancer therapy]. (2003)

Studies on the main bioactive components of Cannabis sativa, the cannabinoids, and particularly delta 9-tetrahydrocannabinol (THC), led to the discovery of a new endogenous signalling system that controls several physiological and pathological conditions: the endocannabinoid system. This comprises the cannabinlid receptors, their endogenous agonists--the endocannabinoids--and proteins for endocannabinoid biosynthesis and inactivation. Recently, evidence has accumulated indicating that stimulation of cannabinoid receptors by either THC or the endocannabinoids influence the intracellular events controlling the proliferation and apoptosis of numerous types of cancer cells, thereby leading to anti-tumour effects both in vitro and in vivo. This evidence is reviewed here and suggests that future anti-cancer therapy might be developed from our knowledge of how the endocannabinoid system controls the growth and metastasis of malignant cells.
Clinical applications of wavefront aberrometry – a review (2009)

A bstract One of the most powerful clinical applications of aberrometry is wavefront‐guided refractive surgery. This concept led to a paradigm shift in refractive error correction, and the same ideas were applied to design the power and shape of intraocular and contact lenses. Other applications are the diagnosis of irregular astigmatism and the assessments of the optical quality of the eye. Because the higher‐order aberrations of the eye are expressed as the total root mean square errors, a set of coefficients for the Zernike terms, Strehl ratio, point spread functions, modulation transfer functions, and other types of metrics can be determined, hence the deterioration in the quality of vision can be easily estimated. Simulations of the retinal images are also useful to understand some of the symptoms in patients with irregular astigmatism. With corneal topographic analyses, the origin of irregular astigmatism from the cornea or internally, or both, can be specified by aberrometry.
The role of Interleukin‐8 in interstitial pneumonia (2003)

IL-8 is likely to be a key factor in the pathogenesis of fibrosis of the lung and in lung injury.
Determination of the Modulation Transfer Function of Photographic Emulsions from Physical Measurements (1968)

The modulation transfer function (MTF) of a photographic layer is customarily determined by means of photographic photometry. It is difficult to obtain the true function because of the interference of adjacency effects. De Belder, et al. have recently presented a method of obtaining the MTF from physical measurements of the layer. This method, which utilizes the random-walk technique, simulates the physical processes involved and requires data concerning several physically measurable parameters, including the absorption and scattering coefficients. Data for these coefficients, which De Belder lacked, have been obtained from measurement of the volume reflectance and volume transmittance of the layers by the technique developed by Wolfe, DePalma, and Saunders. The coefficients were calculated by using the Schuster, Kubelka–Munk two-flux, radiative-transfer theory. After the necessary parameters had been measured for several fine-grain silver bromide photographic layers varying in thickness from 3 to 33 μ, the MTF of each of these layers was calculated. These values were compared with the MTF of the layers measured by photographic photometry, when they were developed under conditions giving minimal adjacency effects.Good agreement was obtained between the results of these two methods; the calculated physical values, however, were consistently somewhat higher than the photographic values. At least part of this lack of agreement is caused by halation in the photographic layers from the base-air interfaces.
Facile Conversion of Acetals to Nitriles. (1993)

Aliphatic and aromatic acetals are easily and efficiently converted to the corresponding nitriles by reaction with hydroxylamine hydrochloride in refluxing absolute ethanol.
DETECTION AND RECOVERY OF OCCLUDED FACE IMAGES BASED ON CORRELATION BETWEEN PIXELS (2012)

In this paper, we propose a method to detect and recover the occluded parts of face images using the correlation between pairs of pixels. In the training stage, correlation coefficients between every pairs of pixels are calculated using the occlusion-free training face images. Once a new face image is shown, the occluded area is detected and recovered using correlation coefficients obtained in the training stage. We compare the performance of the proposed method with the conventional method based on PCA. The results show that the proposed method detects and recovers occluded area with much smaller noises than the conventional PCA based method.
Graduation Project Management System Based on JSF and JPA (2009)

To make the management of graduate project more efficient,this paper adopts a rapid prototyping soft engineering method and designs a graduation project management system based on JSF and JPA.The practice proves that the system can improve the efficiency of the graduation project work and the management and enhance the quality of the graduate project.
Debug proxy server for DSP platforms (2015)

The aim of this paper is to prove the generic nature of a framework used for deployment, debugging and control of DSP applications. The central part of the framework is a debug proxy server with a target independent debug interface. We present an expansion of the proxy server to support debugging applications on a server-based virtual platform by using the same debug interface.
Depolymerization of organosolv lignin to aromatic compounds over Cu-doped porous metal oxides (2013)

Isolated, solvent-extracted lignin from candlenut (Aleurites moluccana) biomass was subjected to catalytic depolymerization in methanol with an added pressure of H2, using a porous metal oxide catalyst (PMO) derived from a Cu-doped hydrotalcite-like precursor. The Cu-PMO was effective in converting low-molecular weight lignin into simple mixtures of aromatic products in high yield, without char formation. Gel permeation chromatography was used to track changes in molecular weight as a result of the catalytic treatments and product mixtures were characterized by 1H and 13C NMR spectroscopy. In the temperature range 140–220 °C, unusual C9 catechols were obtained with high selectivity. Lignin conversion of >90% and recovery of methanol-soluble products in yields of was >70% was seen at 180 °C with optimized catalyst and biomass loadings. At 140 °C, 4-(3-hydroxypropyl)-catechol was the major product and could be isolated in high purity.
A Laboratory Study for Erosional Properties of Cohesive Sediments from Mokpo Coast (2011)

The purpose of this study is to quantify the erosional parameters, such as the critical shear stress for erosion and the erosion rate coefficient for cohesive sediments from the Mokpo coast. Using Chonbuk annular flume, five erosion tests were conducted under the uniform bed condition but a different bed density respectively. Erosion test results for Mokpo sediments have shown increases in the range of <TEX>$0.16{\sim}0.43\;N/m^2$</TEX> but decreases exponentially in the range of <TEX>$272{\sim}4.64\;mg/cm^2{\cdot}hr$</TEX> for the given bed shear stress of <TEX>$1.14{\sim}1.34\;g/cm^3$</TEX>. The erosional parameters of Mokpo sediments are found to vary remarkably in quantity compared with those for cohesive sediments from other sites. On the whole, the value of Mokpo coast sediments appears to be similar to Kunsan sediments but smaller than Saemankeum and Okeechobee sediments. On the other hand, Mokpo sediments have been shown to be larger than Saemankeum and Okeechobee sediments but smaller than Kunsan sediments.
Validation of Pharmacopoeial Methods (2005)

This chapter contains sections titled: Introduction Identification Purity Appearance of Solution pH or Acidity/Alkalinity Specific Optical Rotation Ultraviolet Spectrophotometry Limit test for Anions/Cations Atomic Absorption Spectrometry Separation Techniques (Organic Impurities) Loss on Drying Determination of Water Residual Solvents or Organic Volatile Impurities Assay Volumetric Titration Spectrophotometric Methods Conclusions References
Detoxification of Gold Nanorods by Treatment with Polystyrenesulfonate (2008)

We address an outstanding issue associated with the biocompatibility of gold nanorods (GNRs), a promising agent for biomedical imaging and theragnostics. GNRs are typically prepared in the presence of cetyltrimethylammonium bromide (CTAB), a cationic surfactant whose rigorous removal is necessary due to its cytotoxicity and membrane-compromising properties. CTAB-stabilized GNRs can be partially purified by treatment with polystyrenesulfonate (PSS), an anionic polyelectrolyte often used as a surrogate peptizing agent, followed by chloroform extraction and ultrafiltration with minimal loss of dispersion stability. However, in vitro cytotoxicity assays of PSS-coated GNRs revealed IC(50) values in the low to submicromolar range, with subsequent studies indicating the source of toxicity to be associated with a persistent PSS-CTAB complex. Further exchange of CTAB-laden PSS with fresh polyelectrolyte greatly improves biocompatibility, to the extent that 85 microg/mL of "CTAB-free" GNRs (the highest level evaluated) has comparable toxicity to a standard phosphate buffer solution. Ironically, PSS is not effective by itself at stabilizing GNRs in CTAB-depleted suspensions: while useful as a detergent for GNR detoxification, it should be replaced by more robust coatings for long-term stability under physiological conditions.
Micro-particle sorting by Newton-ring device (2004)

A Newton-ring micro-particle sorter was constructed from a small convex lens and a flat glass. The sub-micrometer gap between them was controlled by a piezo-actuator and utilized for the fractionation of very small amounts of micro-particles in liquid.
Optimum segmented acoustic liners for flow ducts (1975)

Mode-matching analytical models for segmented ducts have been developed to take advantage of the liner impedance discontinuities in the design of optimal duct acoustic liners of one, two, and three segments. The analytical studies have been reported previously [R.J. Beckemeyer and D.T. Sawdy, J. Acoust. Soc. Am. 52, Suppl. No. 1 S16(A) (1975)]. In the present paper, the analytical studies have been extended to include flow ducts containing uniform mean flow, and experimental results are reported for Mach numbers from zero to 0.4. Excellent analytical-experimental correlation has been obtained, thus validating the analytical procedures used to design optimum segmented duct liners. [Supported by the NASA Lewis Research Center under Contract NAS 3-18550.]
Semisuperjunction MOSFETs: New design concept for lower on-resistance and softer reverse-recovery body diode (2003)

A new superjunction (SJ) structure offering remarkable advantages compared with the conventional SJ structure is proposed and demonstrated for a power-switching device. In the proposed structure (semi-SJ structure), an n-doped layer is connected to the bottom of the SJ structure. According to the results of experiment and simulation, the semi-SJ structure has both lower on-resistance and softer recovery of body diode than conventional SJ MOSFETs. The fabricated semi-SJ MOSFETs with breakdown voltage of 690 V realize on-resistance 28% lower than that of the conventional SJ MOSFET with same aspect ratio. The softness factor of the body diode is also improved by a factor of five. The proposed MOSFET is very attractive for H bridge topology applications, such as switching mode power supplies and small inverter systems, thanks to the low on-resistance and the soft recovery body diode.
Hidden in plain sight: findings from a survey on the multi-major professional writing course (2018)

In this article, the authors report on findings from a survey of writing instructors who teach the multimajor professional writing course (MMPW) across diverse institutional contexts. The authors marshal these findings to advance a series of arguments about the situation of the MMPW course in U.S. higher education.
A New Mixed-Integer Programming Model for Harvest Scheduling Subject to Maximum Area Restrictions (2008)

Forest ecosystem management often requires spatially explicit planning because the spatial arrangement of harvests has become a critical economic and environmental concern. Recent research on exact methods has addressed both the design and the solution of forest management problems with constraints on the clearcut size, but where simultaneously harvesting two adjacent stands in the same period does not necessarily exceed the maximum opening size. Two main integer programming approaches have been proposed for this area restriction model. However, both encompass an exponential number of variables or constraints. In this work, we present a new integer programming model with a polynomial number of variables and constraints. Branch and bound is used to solve it. The model was tested with both real and hypothetical forests ranging from 45 to 1,363 polygons. Results show that the proposed model's solutions were within or slightly above 1% of the optimal solution and were obtained in a short computation time.
A Semigroup Formulation of a Nonlinear Size-Structured Distributed Rate Population Model (1994)

A variation of the Sinko-Streifer model in population dynamics where besides the observable characteristics size in addition a non-observable characteristics responsible for variations in growth rates for individuals of the same size is investigated. It is shown that the model can be formulated as an abstract Cauchy problem in an appropriate Banach space. We proof wellposedness of the abstract linear problem and also for a nonlinear perturbation of the model.
Micellar electrokinetic chromatographic studies in D<sub>2</sub>O based buffer solutions (1994)

The addition of deuterium oxide or organic solvents to surfactant-based electrolytes is an effective method for improving resolution in micellar electrokinetic capillary chromatography (MECC). Buffers containing phosphate, boric acid and sodium dodecyl sulphate at pH or pD 7 in the presence and absence of deuterated and non-deuterated solvents were used to separate some hydrophobic compounds covering a range of octanol-water partition coefficients (log P). Significant improvements in resolution of the more hydrophobic compounds were achieved by using mixtures of heavy water and deuterated methanol, instead of water and methanol. Quantitative structure-retention relationships were also derived to provide a better understanding of the intermolecular interactions that contribute to the separation of analytes in MECC. Multiple regression analysis has shown that capacity factors were significantly related to both log P and molecular refractivity. The latter is a measure of the molecular volume of analytes and is related to their ability to undergo dispersive interactions with the micellar components.
PWM and PCM techniques for control of digitally programmable switching power supplies (2002)

This paper presents and compares two new digitally programmable structures for the control of DC to DC switching power supplies. The first structure is a switched capacitor, proportional plus integral (PI) based pulse width modulated (PWM) controller with automatic circuit offset and mismatch absorption. The second structure uses a proportional plus integral plus derivative (PID) structure as input to a first order delta-sigma (/spl Delta//spl Sigma/) modulator to eliminate circuit and matching requirements found in existing control structures. It makes use of the low-pass filtering effects of the power supply to filter out the high frequency quantization noise associated with the /spl Delta//spl Sigma/ modulator. Simulation and discrete component lab tests indicate 2% to 3% load regulation with up to 100 Watts of output power.
Phase-based dispersion analysis for acoustic array borehole logging data (2014)

A phase-based dispersion analysis method for velocity (slowness) extraction from guided waves recorded by an acoustic borehole logging tool in a geological formation is presented. The technique consists of acquiring waveforms from an array of receivers distributed along the tool and constructing the dispersion characteristic by processing in the frequency domain and exploiting phase information to measure the travel time for each frequency component. The approach is nonparametric and completely data-driven and provides high resolution estimates that do not rely on velocity guesses or assumptions regarding the type of modes. Results are free of the aliases and spurious modes which are characteristic of some prior approaches. Examples of dispersion estimation curves are presented using synthesized flexural waves and field data from wireline dipole sonic tools; results are compared with those from the weighted spectral semblance (WSS) and amplitude and phase slowness estimation (APES) methods to demonstrate the effectiveness and utility of the proposed method.
Studies on the Extracellular Polysaccharides (EPS) Produced <i>in vitro</i> by <i>Pseudomonas phaseolicola</i> III. Kinetics of Levan and Alginate Formation in Batch Culture and Demonstration of Levansucrase Activity in Crude EPS (1987)

Abstract In batch culture Pseudomonas phaseolicola converted ca. 8–11% of the substrate (sucrose) into extracellular polysaccharides (EPS). The percentage of conversion was independent of the concentration of sucrose in the medium. However, the increase of total EPS observed with enhanced substrate concentration was largely due to a drastic stimulation of the levan produced. Production of alginate, in contrast, was stimulated to a much lower extent. EPS production was highest during the middle phaseof exponential growth and gradually terminated as the cultures grew older. With sucrose as substrate, the formation of alginate followed the levan synthesis. With glucose or gluconate, however, there was no production of levan, and the alginate synthesis, started immediately after the lag‐phase of the culture. Levansucrase activity was detected in the protein fraction of crude EPS produced by a culture grown in sucrose containing medium. Enzyme activity was demonstrated both by the release of glucose and the formation of levan from sucrose. Upon ion exchange chromatography on DEAE‐fractogel levansucrase behaved as a rather acidic protein. Native polyacrylamide gel electrophoresis of the enzyme fraction revealed a major band with an apparent molecular weight of ca. 68,000 d. Several grams of levan were synthesized with a partly purified enzyme preparation in the absence of bacteria.
FOES TAKE AIM AT NEW AIR STANDARDS (1997)

RETURN TO ISSUEPREVNewsNEXTFOES TAKE AIM AT NEW AIR STANDARDSLawsuit has been filed against EPA, and opponents in Congress have introduced bills to fight ozone, particulate standardsLINDA R. RABERView Author Information C&EN WashingtonCite this: Chem. Eng. News 1997, 75, 32, 26–27Publication Date (Print):August 11, 1997Publication History Published online12 November 2010Published inissue 11 August 1997https://pubs.acs.org/doi/10.1021/cen-v075n032.p026https://doi.org/10.1021/cen-v075n032.p026newsACS PublicationsCopyright © 1997 American Chemical SocietyArticle Views3Altmetric-Citations-LEARN 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 SUBJECTS:Atmospheric chemistry Get e-Alerts
Coded aperture gamma-ray imaging with stochastic apertures (1973)

http://deepblue.lib.umich.edu/bitstream/2027.42/3189/5/baa9988.0001.001.pdf
Feature extraction algorithm based on adaptive wavelet packet for surface defect classification (2002)

This paper proposes a feature extraction method to effectively handle the textural characteristics in images with defects in cold rolled strips. An adaptive wavelet packet scheme is developed to produce the optimum number of features automatically through subband coding gain. Also four classical entropy features in the images with defects are used as local features in the spatial domain. A neural network is used to classify the defects from these features. Experiments with real image data show good training and generalization performances of the proposed method.
miR-146b is Highly Expressed in Adult Papillary Thyroid Carcinomas with High Risk Features Including Extrathyroidal Invasion and the BRAF <sup>V600E</sup> Mutation (2010)

Our results show the potential importance of miR-221, miR-222, and miR-146b in determining the aggressive properties of PTCs and highlight the need to identify the gene targets of these miRNAs.
Evidence for a Multiple Superconducting Gap in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>MgB</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>from High-Resolution Photoemission Spectroscopy (2001)

We study the new binary intermetallic superconductor ${\mathrm{MgB}}_{2}$ using high-resolution photoemission spectroscopy. The superconducting-state spectrum measured at 5.4 K shows a coherent peak with a shoulder structure, in sharp contrast to that expected from a simple isotropic-gap opening. The spectrum can be well reproduced using the weighted sum of two Dynes functions with the gap sizes of 1.7 and 5.6 meV. Temperature-dependent study shows that both gaps close at the bulk transition temperature. These results provide spectroscopic evidence for a multiple gap of ${\mathrm{MgB}}_{2}$.