gebhart/patrepeval huggingface dataset:
Syntheses, characterization, and structural chemistry of biladien-ac-10-one and -bc-5-one metal complexes with 4N or (3N + O) co-ordination (1996)

Transition-metal(II) complexes have been formed between Cu, Co, Pd, Hg, Cd, Zn and Ni and biladien-bc-5-ones or -ac-10-ones. All show spectroscopic and analytical data in accordance with the formation of 1 : 1 complexes. Reaction of 5- and 10-oxobiladienes with CuII, CoII, PdII, ZnII, CdII and HgII always gave complexes in which the metal is co-ordinated to the four pyrrole nitrogens (4N co-ordination) and led to a cyclic, helical conformation of the tetrapyrrole ligand. Reaction of biladien-ac-10-ones with NiII also gave the 4N-co-ordinated derivative. However, reaction of biladien-bc-5-ones with NiII gave two compounds, one being the 4N-co-ordinated complex and other a side product in which the metal is co-ordinated to three pyrrole nitrogens of the conjugated system and to the meso-oxygen atom of the oxobiladiene [(3N + O) co-ordination]. The latter co-ordination type was found to occur only when the C(19) position became substituted by nucleophiles such as OH or OMe leading to steric repulsion of the fourth pyrrole ring away from the metal. Single-crystal structure analyses were made for 10-oxobiladien-ac complexes with 4N co-ordination of CuII, PdII, NiII or CoII and for 5-oxobiladien-bc complexes with 4N co-rdination of PdII, CoII or CuII. These showed tetrahedrally distorted co-ordination geometries in the MN4 unit. The molecular structures of two nickel complexes of 5-oxobiladien-bc derivatives with square-planar (3N + O) co-ordination have also been determined.
Reductive Decomposition of Gypsum by Carbon Monoxide (1960)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTReductive Decomposition of Gypsum by Carbon MonoxideT. D. Wheelock and D. R. BoylanCite this: Ind. Eng. Chem. 1960, 52, 3, 215–218Publication Date (Print):March 1, 1960Publication History Published online1 May 2002Published inissue 1 March 1960https://pubs.acs.org/doi/10.1021/ie50603a023https://doi.org/10.1021/ie50603a023research-articleACS PublicationsRequest reuse permissionsArticle Views278Altmetric-Citations39LEARN 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
The Transjugular Intrahepatic Portosystemic Stent-Shunt Procedure for Variceal Bleeding (1994)

These results suggest that the transjugular placement of an intrahepatic portosystemic stent is an effective and safe treatment for variceal hemorrhage in patients with portal hypertension due to cirrhosis.
Measurement of anterior–posterior knee laxity: a comparison of three techniques (2002)

Several non-invasive techniques have been developed to assess anterior-posterior (A-P) laxity of the knee, however, their accuracy remains unclear. Roentgen Stereophotogrammetry Analysis (RSA) is a three-dimensional motion analysis method that has been shown to be an accurate tool for evaluating joint kinematics. Thus. RSA provides a means that can be used to evaluate other less invasive techniques. The objectives of this study were to compare A-P laxity values as measured using the KT-1000 Knee Arthrometer, planar stress radiography and RSA, and to determine if they detect similar changes in A-P laxity over time in 15 subjects following anterior cruciate ligament reconstruction with patellar tendon autografts. The A-P laxity values of the injured knee were measured immediately following surgery and at their 3-, 6-, and 12-month follow-up visits. A-P laxity was defined as the A-P translation of the tibia relative to the femur that occurred between the posterior and anterior shear load limits of -90 to +130 N, respectively. The values of A-P laxity across all time points were 11.4 +/- 3.0, 10.2 +/- 3.3, and 6.9 +/- 3.0 mm (mean +/- standard deviation) for the KT-1000, planar stress radiography and the RSA methods, respectively. These values were significantly different from each other (p < 0.001). The two-dimensional analyses techniques (planar stress radiography and the KT-1000) consistently over-estimated the true laxity values that were obtained using the three-dimensional RSA technique. Significant increases in A-P laxity values over time were also detected with the KT-1000 (p = 0.04) and the RSA technique (p = 0.04). However, this increase was not evident when using planar stress radiography (p = 0.89). This study determined that the KT-1000 and RSA document temporal changes in A-P laxity following ACL reconstruction that were not documented by planar stress radiography.
SIGNAL TRANSDUCTION BY GUANYLYL CYCLASES (1991)

The Hippo pathway was initially discovered in Drosophila melanogaster as a key regulator of tissue growth. It is an evolutionarily conserved signaling cascade regulating numerous biological processes, including cell growth and fate decision, organ size ...Read More
Functional foods: psychological and behavioural functions (2002)

It is easier to demonstrate the consistent effects of foods on satiety than on cognitive performance. This is understandable since the satiety system incorporates physiological signalling systems that mediate the effects of foods on function. Specific manipulations of proteins, carbohydrates and fats have the potential to act as functional foods for appetite control. Because of the importance of the optimal functioning of cognitions for survival, these functions are quite strongly protected against short-term dietary and physiological perturbances. Therefore, food manipulations may be better detected through the degree of effort exerted to maintain performance rather than via changes in the actual performance itself. This procedure has not been widely used hitherto. The concept of biomarkers may have to be interpreted differently from research on physiological systems or clinical endpoints. For satiety, adjustments in the profile of hunger could serve as a biomarker or surrogate endpoint. For cognitions, correlated physiological variables may be more difficult to measure than the functional endpoint itself. Changes related to unitary functions (such as tracking) could serve as biomarkers for more complex, integrated skills (such as car driving). Since food manipulations may affect multiple functions, the challenge is to design foods with good satiety control that do not impair mental performance; or alternatively to engineer foods that optimise cognitive performance without compromising satiety. This rapidly developing field has great potential for close collaboration between academia and industry in the production of commercially successful products that show clear improvements in human functioning with the capacity to protect against disease or impairment.
Local methods for estimating pagerank values (2004)

The Google search engine uses a method called PageRank, together with term-based and other ranking techniques, to order search results returned to the user. PageRank uses link analysis to assign a global importance score to each web page. The PageRank scores of all the pages are usually determined off-line in a large-scale computation on the entire hyperlink graph of the web, and several recent studies have focused on improving the efficiency of this computation, which may require multiple hours on a workstation.
Mechanical and Viscoelastic Properties of Cellulose Nanocrystals Reinforced Poly(ethylene glycol) Nanocomposite Hydrogels (2013)

The preparation and mechanical properties of elastomeric nanocomposite hydrogels consisting of cellulose nanocrystals (CNCs) and poly(ethylene glycol) (PEG) are reported. The aqueous nanocomposite CNC/PEG precursor solutions covalently cross-linked through a one-stage photocross-linking process. The mechanical properties of nanocomposite hydrogels, including Young's modulus (E), fracture stress (σ), and fracture strain (ε), were measured as a function of CNC volume fraction (φCNC, 0.2-1.8%, v/v) within polymeric matrix. It was found that the homogeneously dispersed nanocomposite hydrogels can be prepared with φCNC being less than 1.5%, whereas the heterogeneous nanocomposite hydrogels were obtained with φCNC being higher than 1.5%. The nanocomposite hydrogels exhibited higher strengths and flexibilities when compared with neat PEG hydrogels, where the modulus, fracture stress, and fracture strain enhanced by a factor of 3.48, 5, and 3.28, respectively, over the matrix material alone at 1.2% v/v CNC loading. Oscillatory shear data indicated the CNC-PEG nanocomposite hydrogels were more viscous than the neat PEG hydrogels and were efficient at energy dissipation due to the reversible interactions between CNC and PEG polymer chains. It was proposed that the strong gel viscoelastic behavior and the mechanical reinforcement were related to "filler network", where the temporary interactions between CNC and PEG interfered with the covalent cross-links of PEG.
Photoinduced currents in carbon nanotube/metal heterojunctions (2006)

Significant photoinduced currents have been explored in carbon nanotube/metal heterojunctions, i.e., heterodimension junctions containing macrolong carbon nanotubes (CNTs). The experimental measurements clearly show that the net transport direction of the photoexcited electrons is from the lower dimensional CNTs to higher dimensional CNTs or metal electrodes and the photoinduced currents dramatically depend on the laser spot position relative to the junction interface. The currents increase linearly with the increase of the laser intensity as the intensity is not very large. A prototype sensor has been constructed to illustrate applications of the heterodimension junctions in photoelectronics.
A Bayesian classifier for uncertain data (2010)

Data uncertainty is widespread in a variety of applications. This paper proposes a new Bayesian classification algorithm for classifying uncertain data. In the paper, we apply probability and statistics theory on uncertain data model, and provide solutions for model parameter estimation for both uncertain numerical data and uncertain categorical data. We also prove the correctness of the solutions. The experimental results demonstrate the proposed uncertain Bayesian classifier can be efficiently constructed, and it significantly outperforms the traditional Bayesian classifier in prediction accuracy when data is highly uncertain.
Applications of an azide sulfonyl silane as elastomer crosslinking and coupling agent (1997)

A new coupling agent, a silane sulfonyl azide has been synthesized. This agent was capable of reacting with either saturated or unsaturated rubbers. In unsaturated rubbers reinforcement with mineral filler was inproved when compared with a commercial silane coupling agent. For a saturated rubber, the response when this agent was added to the formulation was superior to the response reached using only a conventional peroxide to crosslink the polymer. © 1997 John Wiley & Sons, Inc. J Appl Polym Sci 63: 1353–1359, 1997
Accuracy Differences as a Function of Preparer Status: An Analysis of Money's Tax Test (1999)

To reduce the cost of compliance, it is important that individuals seeking tax preparation assistance, as well as policymakers, be aware of any performance differences between preparers. In this paper the results of Money's tax test are employed to determine whether the accuracy and bias of preparers are a function of preparers' professional status. Each year from 1988-1993 Money conducted a test of volunteer tax preparers from throughout the United States in which they compute taxes due for a hypothetical family. Participants included CPA and non-CPA preparers. The results show that relative to non-CPA preparers, CPAs tend to err in favor of the taxpayer, although overall both groups favored the government. After comparing the cost and the variance in the taxes due, the findings suggest that CPAs are the more cost efficient and less risky preparer group.
Ancrod for the treatment of acute ischemic brain infarction. The Ancrod Stroke Study Investigators. (1994)

Ancrod appears safe and potentially effective when administered to patients within 6 hours of onset of ischemic stroke.
LcrG, a secreted protein involved in negative regulation of the low-calcium response in Yersinia pestis (1993)

The purpose of this study was to define the function of LcrG, the product of the first gene in the lcrGVHyopBD operon of the low-Ca(2+)-response (LCR) virulence plasmid of Yersinia pestis. We created a Y. pestis strain having an in-frame deletion in lcrG. This nonpolar mutant had an abnormal LCR growth phenotype: it was unable to grow at 37 degrees C in the presence of 2.5 mM Ca2+ ("Ca2+ blind") but was able to grow at 37 degrees C when 18 mM ATP was present. At 37 degrees C it failed to downregulate the expression and secretion of its truncated product (LcrG), V antigen, and YopM. All of these mutant properties were complemented by plasmids carrying normal lcrG. However, a nonpolar lcrE mutation and an lcrH mutation (both also causing a Ca(2+)-blind phenotype) were not complemented in this way. The Y. pestis parent strain expressed LcrG at 37 degrees C in the presence and absence of Ca2+ and transported it to the medium when Ca2+ was absent. We identified two LCR-regulated loci, lcrD and yscDEF, required for this transport. Complementation analysis of the Y. pestis lcrR strain previously shown to lack the expression of LcrG showed that the loss of LcrG but not of LcrR caused the Ca(2+)-blind phenotype of that mutant. Taken together, the results show that LcrG is a negative regulator of the LCR, perhaps functioning in Ca2+ sensing along with LcrE.
Ultraviolet-nanoimprinted packaged metasurface thermal emitters for infrared CO<sub>2</sub>sensing (2015)

Packaged dual-band metasurface thermal emitters integrated with a resistive membrane heater were manufactured by ultraviolet (UV) nanoimprint lithography followed by monolayer lift-off based on a soluble UV resist, which is mass-producible and cost-effective. The emitters were applied to infrared CO<sub>2</sub> sensing. In this planar Au/Al<sub>2</sub>O<sub>3</sub>/Au metasurface emitter, orthogonal rectangular Au patches are arrayed alternately and exhibit nearly perfect blackbody emission at 4.26 and 3.95 <i>μ</i>m necessary for CO<sub>2</sub> monitoring at the electric power reduced by 31%. The results demonstrate that metasurface infrared thermal emitters are almost ready for commercialization.
Thymus epithelium induces tissue-specific tolerance. (1993)

Most current models of T cell development include a positive selection step in the thymus that occurs when T cells interact with thymic epithelium and a negative selection step after encounters with bone marrow-derived cells. We show here that developing T cells are tolerized when they recognize antigens expressed by thymic epithelium, that the tolerance is tissue specific, and that it can occur by deletion of the reactive T cells.
Diffusion in κ‐carrageenan gel beads (1986)

Using a well-mixed and temperature-led vessel, the diffusion characteristics of various solutes into spherical kappa-carrageenan gel beads were experimentally investigated. The diffusion coefficient of glucose was markedly affected by the glucose concentration and the operating temperature. In all cases the diffusivity obtained was noticeably smaller than that of glucose in pure water. The experimental data also indicated an inverse relationship between the diffusivity and the polymer concentration used in the gel preparation. As well, the glucose diffusivity was affected by the presence of other solutes in the glucose solution. Electrolytes such as ammonium sulfate, KCl, and CaCl(2) were observed to enhance the diffusion coefficient. On the other hand, the addition of arginine or bovine serum albumin had an adverse effect on the diffusivity. No diffusion of albumin into the gel beads was observed, and such a solute created a significant mass transfer resistance during the diffusion process.
Microwave measurements of MgB<sub>2</sub>: implications for applications and order-parameter symmetry (2010)

We present measurements of the microwave properties of high-quality thin films of MgB2 deposited by reactive evaporation on both dielectric and metallic substrates. The measurements include those of the surface impedance and the intermodulation distortion (IMD), both as a function of microwave power at temperatures from 1.8 to 35 K. A stripline resonator at 2 GHz is used for the measurements on dielectric substrates and a dielectric resonator at 10.7 GHz is used for the films on metallic substrates. The surface resistance of the MgB2 is lower than that of our sputtered niobium films, and no power dependence was observed up to surface radio-frequency magnetic fields of 400 Oe at 5 K. The temperature dependence of the IMD at low circulating power shows an increase at temperatures T < 10 K that cannot be explained on the basis of s-wave symmetry of the order parameter in both energy gaps. Within the gap-symmetry constraints of the hexagonal crystal symmetry of MgB2, the best fit with our IMD and penetration depth measurements is obtained for the π-gap symmetry given by Δ(ϕ, T) = Δ0(T)sin(6ϕ), where ϕ is the azimuthal angle in the ab plane, and Δ0(T) is a weakly temperature dependent amplitude at low temperatures. This symmetry entails there being six nodal lines.
Anatomy of the Platysma and Lip Depressor Muscles (1998)

The popularity of submental suctioning, platysmaplasty neck lifts, and now Botulinum A exotoxin injections into the neck has increased dramatically. A detailed working knowledge of clinical platysma and lip depressor muscle anatomy is of paramount importance to successfully anesthetize and block the treated areas, to avoid injury to important vessels, nerves, and deeper cervical structures, and to optimally treat the problem areas. A simple, user-friendly knowledge can be obtained by remembering simple mnemonics relating to (1) specific target areas, (2) anatomic relationships, and (3) topographic clinical landmarks.
Microarray analysis of peripheral blood lymphocytes from ALS patients and the SAFE detection of the KEGG ALS pathway (2011)

Our study indicates that PBLs from sALS patients are strong responders to systemic signals or local signals acquired by cell trafficking, representing changes in gene expression similar to those present in brain and spinal cord of sALS patients. PBLs may provide a useful means to study ALS pathogenesis.
Droplet−Droplet Interactions in Both Direct and Inverse Emulsions Stabilized by a Balanced Amphiphilic Polyelectrolyte (2000)

An original amphiphilic polyelectrolyte was used as an emulsifier of the n-hexadecene−water system. The balanced hydrophile−lipophile properties of the polymeric surfactant allow the preparation of both oil and water continuous emulsions with dispersed phase volume fractions of up to 0.9. The oil and water droplet interactions were investigated by dynamic rheology and optical microscopy. In contrast to oil droplets, water droplets are strongly adhesive so that fractal gels can form in inverse emulsions. Hence, the Princen theoretical model on emulsion elasticity gives adequate fitting of the rheological behavior of direct emulsions but fails in describing the behavior of inverse emulsions.
Extended Cross-Component Prediction in HEVC (2015)

The support for chroma formats other than 4;2;0 and bit depths higher than 10 bit has been included into the High Efficiency Video Coding (HEVC) standard by the publication of Version 2. In contrast to 4;2;2 profiles without additional dedicated coding tools relative to the Main profile, all 4;4;4 profiles specify a novel compression efficiency tool referred to as Cross-Component Prediction (CCP). This paper describes and analyses two additional extensions relative to the specified CCP variant in Version 2. In the first extension, an additional predictor is introduced, particularly, the first chroma component can also serve as the predictor for the second chroma component beside the luma component. The second extension is concerned with the binarization of the single prediction model parameter, which usually has a different distribution for R'G'B' than for Y'C <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">b</sub> C <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">r</sub> content. Experimental results show that the in this paper presented extensions can improve the compression efficiency by -0.7% on average for R'G'B' content, and by -1.1% for Y'C <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">b</sub> C <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">r</sub> content, respectively, both in terms of BD rate.
Biomarkers in oil shale: occurrence and applications. [Isoprenoid and sterane compounds] (1982)

Biological markers, compounds derived essentially unchanged from living organisms, are found in oil-bearing rocks, petroleum and most ancient sediments. We are investigating the variation in ratios of certain biomarkers in shale oils and their use as tracers for relating oil to source rock during in-situ retorting. We have produced oil samples at 12/sup 0/C/min from 1- and 2-foot shale composites from three Green River formation cores and have measured the occurrence of several isoprenoid and sterane compounds using capillary gas chromatography of these oils. Because alkene/alkane ratios of most of these compounds depend strongly on pyrolysis temperature and/or heating rate, we use ratios of alkenes plus alkanes that are largely independent of heating rate and are thereby indicative of in-situ shale oil and perhaps petroleum. Variations in biomarker content with depth, grade, odd/even ratios, ene/ane ratios and nitrogen to organic carbon ratio have been studied and cross correlations have been determined between these various properties.
Known-plaintext attack on optical encryption based on double random phase keys (2006)

We demonstrate a new approach to known-plaintext attack on an optical encryption scheme based on double random phase keys. With this attack an opponent can access both random phase keys with the help of the phase retrieval technique. This demonstration shows that an optical encryption scheme based on double random encoding is vulnerable to known-plaintext attack.