gebhart/patrepeval huggingface dataset:
Design and preparation of efficient hydroisomerization catalysts by the formation of stable SAPO-11 molecular sieve nanosheets with 10–20 nm thickness and partially blocked acidic sites (2017)

SAPO-11 nanosheets with partially filled micropores (N-SAPO-11) and a thickness of 10-20 nm were synthesized using polyhexamethylene biguanide hydrochloride (PHMB) as a mesoporogen and di-n-propylamine (DPA) as a microporous template. After Pt loading (0.5 wt%), the Pt/N-SAPO-11 catalyst exhibits higher selectivity for the isomers and lower selectivity for cracking products than conventional Pt/SAPO-11 catalysts in the hydroisomerization of n-dodecane.
A Combined SDS‐PAGE and Proteomics Approach to Identify Target Autoantigens in Healthy Individuals and Patients with Autoimmune Diseases (2007)

We here present a method for the identification of antigens recognized by autoantibodies in healthy individuals and patients with autoimmune diseases. We have analyzed IgG reactivities from healthy individuals and patients with autoimmune diseases with endothelial cell antigens by combining a one-dimensional (1D) quantative immunoblotting technique and a 2D immunoblotting technique. Whole-cell protein extracts obtained from human umbilical vein endothelial cells (HUVEC) were used as a source of antigens. Serum IgG from healthy blood donors and from patients with autoimmune diseases were tested at a concentration of 200 microg/mL. One-dimensional immunoblotting was first performed to detect candidate reactivity bands and 2D immunoblotting was secondly performed following 2D electrophoresis to identify protein spots. The gels and 2D blots were scanned and analyzed by imaging software. The matching permitted exact localization of particular relevant protein spots hybridized by antibodies on the 2D blots. The targeted bands from 1D spots and the targeted spots from 2D gels were identified by Edman's N-terminal sequencing and mass spectrometry, respectively. This approach is applicable to both normal and pathological conditions, potentially leading to the identification of new relevant target antigens.
Transient analysis of the queueing system with multiple nonpreemptive priority classes under the FG-BG congestion control (2002)

The transient behavior of the common-store queueing system with multiple nonpreemptive priority classes under the FG-BG congestion control is generally analyzed. The authors derive the expressions for mean system occupancy, loss probability and throughput, and consider the transient behavior of system performance by using Runge-Kutta procedure together with computer simulation. It is shown that when the lowest traffic class becomes overloaded, high throughputs and low loss probabilities of higher priority classes can be maintained.
Spectroscopy and reactivity of zinc 20‐oxaporphyrin‐IX dimethyl ester (1987)

Abstract A facile method of preparing zinc 20‐oxaprotoporphyrin‐IX dimethyl ester ( 1 ) from biliverdin‐IXα dimethyl ester has been found. According to NMR spectroscopy, the oxa substituent has a pronounced influence on the properties of the macrocyclic ring system. The 1 H NMR spectrum reveals an aromatic structure and 13 CNMR shows that in 1 a positive charge is delocalized, in agreement with the presence of one positive charge, and further that C‐1 and C‐19 have acquired the highest positive charge. This is corroborated by the reaction with nucleophiles, especially thiolates, leading to isolated adducts which could be well characterized. The adducts are the result of nucleophilic attack on the positions 1 and 19 exclusively, which agrees well with the charge on these positions in 1. The adducts show interesting spectroscopic properties. The study of oxaporphyrins and their nucleophilic adducts may contribute to a fuller understanding of the formation and properties of bile pigments.
SIRT1 Relays Nutritional Inputs to the Circadian Clock Through the Sf1 Neurons of the Ventromedial Hypothalamus (2015)

Circadian rhythms govern homeostasis and organism physiology. Nutritional cues act as time givers, contributing to the synchronization between central and peripheral clocks. Neuronal food-synchronized clocks are thought to reside in hypothalamic nuclei such as the ventromedial hypothalamus (VMH) and the dorsomedial hypothalamus or extrahypothalamic brain areas such as nucleus accumbens. Interestingly, the metabolic sensor of nicotinamide adenine dinucleotide-dependent deacetylase sirtuin-1 (SIRT1) is highly expressed in the VMH and was shown to contribute to both control of energy balance and clock function. We used mice with targeted ablation of Sirt1 in the steroidogenic factor 1 neurons of the VMH to gain insight on the role played by this deacetylase in the modulation of the central clock by nutritional inputs. By studying circadian behavior and circadian gene expression, we reveal that SIRT1 operates as a metabolic sensor connecting food intake to circadian behavior. Indeed, under food restriction and absence of light, SIRT1 in the VMH contributes to activity behavior and circadian gene expression in the suprachiasmatic nucleus. Thus, under specific physiological conditions, SIRT1 contributes to the modulation of the circadian clock by nutrients.
In Schizophrenia, Chronic Fatigue Syndrome- and Fibromyalgia-Like Symptoms are Driven by Breakdown of the Paracellular Pathway with Increased Zonulin and Immune Activation-Associated Neurotoxicity (2021)

Background: A meaningful part of schizophrenia patients suffer from physiosomatic symptoms (formerly named psychosomatic) which are reminiscent of chronic fatigue syndrome and fibromyalgia (FF) and are associated with signs of immune activation and increased levels of tryptophan catabolites (TRYCATs). Aims: To examine whether FF symptoms in schizophrenia are associated with breakdown of the paracellular pathway, zonulin, lowered natural IgM responses to oxidative specific epitopes (OSEs); and whether FF symptoms belong to the behavioral-cognitive-physical-psychosocial-(BCPS)-worsening index consisting of indices of a general cognitive decline (G-CoDe), symptomatome of schizophrenia, and quality of life (QoL)-phenomenome. Methods: FF symptoms were assessed using the Fibromyalgia and Chronic Fatigue Rating scale in 80 schizophrenia patients and 40 healthy controls and serum cytokines/chemokines, IgA levels to TRYCATs, IgM to OSEs, zonulin and transcellular/paracellular (TRANS/PARA) molecules were assayed using ELISA methods. Results: A large part (42.3%) of the variance in the total FF score was explained by the regression on the PARA/TRANS ratio, pro-inflammatory cytokines, IgM to zonulin, IgA to TRYCATs (all positively) and IgM to OSEs (inversely). There were highly significant correlations between the total FF score and G-CoDe, symtopmatome, QoL phenomenome and BCPS-worsening score. FF symptoms belong to a common core shared by G-CoDe, symtopmatome, and QoL phenomenome. Discussion: The physio-somatic symptoms of schizophrenia are driven by various pathways including increased zonulin, breakdown of the paracellular tight-junctions pathway, immune activation with induction of the TRYCAT pathway, and consequent neurotoxicity. It is concluded that FF symptoms are part of the phenome of schizophrenia and BCPS-worsening as well.
Induction of synthesis of cholesterol side chain cleavage cytochrome P-450 by adrenocorticotropin in cultured bovine adrenocortical cells. (1981)

Bovine adrenocortical cell preparation and culture were carried out in a manner previously described (33,36). Briefly, dispersed cells were prepared from bovine adrenal cortices by treatment with collagenase- dispase (Boehringer Mannheim) solution containing DNase. The cells were harvested and washed by centrifugation and placed in 60-mm or 100-mm dishes
ChemInform Abstract: Antibacterial Novel Phenolic Diterpenes from Podocarpus macrophyllus D. Don. (2009)

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
2SQ-03 Mechanosensitive nucleotide release in the lung(2SQ Developing Mechanobiology:from fundamentals to medical applications,The 49th Annual Meeting of the Biophysical Society of Japan) (2011)

TheBiophysicalSociety of
Comparison of AVO indicators: A modeling study (1993)

PreviousNext No AccessSEG Technical Program Expanded Abstracts 1993Comparison of AVO indicators: A modeling studyAuthors: J. P. CastagnaS. W. SmithJ. P. CastagnaARCO Oil and Gas Co. and S. W. SmithARCO Oil and Gas Co.https://doi.org/10.1190/1.1822603 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Permalink: https://doi.org/10.1190/1.1822603FiguresReferencesRelatedDetailsCited bySeismic reservoir characterization of Wara Formation using prestack geostatistical inversion integrated with rock physics modeling: A case study in KuwaitTaiwen Chen, Alanood Al-Otaibi, Lulwa Al-Saleh, Mohamed Hafez, Rajesh Rajagopal, and Anandan Mudavakkat30 September 2020Quantitative reservoir characterization of Wara Reservoir in Magwa and Ahmadi Field using prestack-geostatistical inversion: A case study in KuwaitMafizar Rahaman, Mohamed Hafez, Al-Saleh Lulwa Ibrahem, Anandan Mudavakkat, and Rajesh Rajagopal27 August 2018Lithology prediction of Wara and Burgan Formations using prestack geostatistical inversion: a case study in KuwaitTaiwen Chen, Mohamed Hafez Jaseem, Anandan Mudavakkat, Karam Mohamed Hafez Abd Rabu, and Sethu Madhavan17 August 2017Lithology prediction of Burgan Formation using prestack simultaneous inversion combined with statistical method: A case study in north KuwaitTaiwen Chen*, Osman Khaled, Maitham Ebrahim, Mohamed Hafez, and Ismail Sayed Mohammed19 August 2015 SEG Technical Program Expanded Abstracts 1993ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 1993 Pages: 1396 publication data© 1993 Copyright © 1993 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 10 Feb 2005 CITATION INFORMATION J. P. Castagna and S. W. Smith, (1993), "Comparison of AVO indicators: A modeling study," SEG Technical Program Expanded Abstracts : 734-737. https://doi.org/10.1190/1.1822603 Plain-Language Summary PDF DownloadLoading ...
Optical pulse frequency conversion inside transformation-optical metamaterials (2012)

Based on the analogy between the Maxwell equations in complex metamaterials and the free-space Maxwell equations on the background of an arbitrary metric, transformation optics allows for the design of metamaterial devices using a geometrical perspective. This intuitive geometrical approach has already generated various novel applications within the elds of invisibility cloaking, electromagnetic beam manipulation, optical information storage, and imaging. Nevertheless, the framework of transformation optics is not limited to three-dimensional transformations and can be extended to four-dimensional metrics, which allow for the implementation of metrics that occur in general relativistic or cosmological models. This enables, for example, the implementation of black hole phenomena and space-time cloaks inside dielectrics with exotic material parameters. In this contribution, we present a time-dependent metamaterial device that mimics the cosmological redshift. Theoretically, the transformation-optical analogy requires an innite medium with a permittivity and a permeability that vary monotonically as a function of time. We demonstrate that the cosmological frequency shift can also be reproduced in more realistic devices, considering the fact that practical devices have a nite extent and bound material parameters. Indeed, our recent numerical results indicate that it is possible to alter the frequency of optical pulses in a medium with solely a modulated permittivity. Furthermore, it is shown that the overall frequency shift does not depend on the actual variation of the permittivity. The performance of a nite frequency converter is, for example, not aected by introducing the saw tooth evolution of the material parameters. Finally, we studied the eect of the introduction of realistic metamaterial losses and, surprisingly, we found a very high robustness with respect to this parameter. These results open up the possibility to fabricate this frequency converting device with currently available metamaterials [V. Ginis, P. Tassin, B. Craps, and I. Veretennico, Opt. Express 18, 5350{5355 (2010)<sup>1</sup>].
Thermodynamics of Combustion in an Enclosure (1993)

A systematically construed thermodynamic analysis of combustion in an enclosure is presented. The system is treated as one consisting of two components: the reactants and the products, both under the same, time varying, pressure. Whereas the former undergoes a prescribed change of state, usually isentropic or polytropic, the latter is, as a rule, at a thermodynamic equilibrium. In the course of the process, the two delineate distinct loci of states on a Le Chatelier diagram, trajectories on the plane of specific internal energy and the product of pressure and specific volume as its coordinates. The analysis if concerned than primarily with the evaluation of the consequences of three conditions of constraint: the balance of mass, balance of volume, and balance of energy, each forming a component of a vector equation. The application of this method of approach is illustrated by a number of examples. Its major advantage is the precision one gains in evaluating the relationship between pressure and mass, as well as volume, of the two components of the system.
A Questionnaire Survey on Urinary Incontinence and Urinary Disturbances in the Institutionalized Elderly with Senile Dementia. (1994)

We carried out a questionnaire survey concerning urinary disturbances, among nursing home patients. The answers were obtained from 1,038 elderly including 355 males and 683 females. Ages, spanned 50-99, with an average age of 79.1. Of the 1,038 respondents which we obtained through our survey for management of urination, 35.8% of the total said that they are able to urinate without incontinence. Those able to urinate with incontinence accounted for 23.6% of the total. However, 40% of all patients required an adult diaper throughout the day to control their urinary functions. Patients suffering from neurological disorders accounted for 70% of respondents, and a correlation was seen between the extent of dementia and ADL, and excretory control. Urinary functioning in both men and women was found to grow increasingly difficult with age, and medical problems involving urinary difficulty appear to increase with the advance of the aging process. The representative groups for this survey were limited to elderly people in nursing homes, many of whom suffer from neurological disorders such as cerebral infarction. It was found that both male and female patients experience a variety of urinary disturbances.
Groups with few conjugacy classes of non-normal subgroups (2008)

Abstract The structure of groups with finitely many non-normal subgroups is well known. In this paper, groups are investigated with finitely many conjugacy classes of non-normal subgroups with a given property. In particular, it is proved that a locally soluble group with finitely many non-trivial conjugacy classes of non-abelian subgroups has finite commutator subgroup. This result generalizes a theorem by Romalis and Sesekin on groups in which every non-abelian subgroup is normal.
2. Notices of a Flood at Frastanz, in the Vorarlberg, in the Autumn of 1846 (1851)

The author noticed the general effects of running water, in dissolving, rubbing down, and transporting to a lower level, the solid parts of the earth's surface; and referred to the gradual change which it is producing on the relative level of sea and land. He then described an occurrence which he had witnessed in the Vorarlberg, during the autumn of 1846.
Effect of endogenous β‐hydroxybutyrate on glucose metabolism in the diabetic rabbit brain: A <sup>13</sup>C‐magnetic resonance spectroscopy study of [U‐<sup>13</sup>C]glucose metabolites (2001)

The neurological consequences of diabetes mellitus have recently been receiving greater attention in both clinical and experimental settings. The deleterious effect of hyperglycemia and altered oxidative substrate availability on the diabetic brain is the subject of many studies. The aim of the present study was to examine the effect of the altered metabolic environment, namely, hyperglycemia and hyperketonemia, on glucose metabolism in the diabetic brain. More specifically, we examined the effect of diabetes on the glucose flux via the pyruvate dehydrogenase (PDH) and pyruvate carboxylase (PC) pathways and subsequent metabolism in the tricarboxylic acid cycles in neurons and glia. To this end, [U-(13)C]glucose was infused into the circulation of alloxan-induced diabetic young adult rabbits, and the [(13)C]glucose metabolites were subsequently studied in brain extracts by (13)C-NMR. Significantly elevated brain glucose levels were found. In the hyperketonemic rabbits, elevated cerebral levels of beta-hydroxybutyrate (beta-HBA) were found. Alterations in the labeling patterns of glutamine in the hyperketonemic group lead to the conclusion that the elevated beta-HBA levels inhibit glucose metabolism, mostly in glia. This results in accumulation of glucose in the diabetic brain. In addition, altered levels of glutamine, glutamate, and GABA were also attributed to the effect of beta-HBA on brain metabolism. The possible role of these metabolic perturbations in causing neurological damage remains to be investigated.
X-RAY DIFFRACTION CHARACTERIZATION OF THE RESIDUAL STRESS AND HARDNESS DISTRIBUTIONS IN INDUCTION HARDENED GEARS (1995)

Accurate knowledge of the subsurface residual stress and hardness distributions is required for failure analysis, fatigue life prediction and process control of induction hardened components. X-ray diffraction (XRD) provides a powerful tool for the simultaneous determination of both the macroscopic residual stress and hardness distributions through the case and into the core of induction hardened parts. A procedure for developing the empirical relationship between diffraction peak width and mechanical hardness is described. Subsurface XRD residual stress measurement requires layer removal and correction for the resulting stress relaxation. The corrections may dominate the results obtained at depths near the case/core interface. Traditional closed-form corrections may be inadequate when applied to gear teeth. A novel finite element analysis (FEA) correction technique applicable to arbitrary geometries and stress distributions is presented and described. Examples of the determination of the residual stress and hardness distributions through the case of induction hardened gears are presented.
The Supramolecular Chemistry of Organic—Inorganic Hybrid Materials (2006)

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Endothelial dysfunction in chronic kidney disease: determinant of susceptibility to end-organ damage and therapeutic response (2006)

Abstract: Endothelial dysfunction (ED) seems to be a crucial mediator of increased cardiovascular risk observed among patients with chronic kidney disease (CKD). Importantly, systemic ED does not only occur in patients with severe renal failure, but also in individuals with earlier stages of CKD. Close association between microalbuminuria and systemic ED renders renal vascular function an important marker for the severity of cardiovascular damage. Furthermore, changes in renal endothelium might be actively involved in the progression of renal end-organ damage. Recently, experimental evidence showed that interindividual variability in endothelial function of healthy rats predicts susceptibility to renal damage and the efficacy of renoprotective treatment. Therefore, a specific manipulation of renal and systemic ED might provide benefits in various stages of CKD. ED thus may represent an ideal therapeutic target not only for treatment, but also for primary prevention of renal disease.
User control of quality of experience in home networks using SDN (2013)

Home networks are becoming increasingly complex, with many household devices (PCs tablets, phones, media gateways, smart TVs) and diverse user applications (browsing, video streaming, peer-to-peer, VoIP, gaming) sharing the single broadband access link. In today's architecture the traffic streams compete for bandwidth on a best-effort basis, resulting in poor quality of experience for users. In this paper, we leverage the emerging paradigm of software defined networking (SDN) to enable the ISP to expose some controls to the users to manage service quality for specific devices and applications in their household. Our contributions are to develop an architecture and interface for delegation of such control to the user, and to demonstrate its value via experiments in a laboratory test-bed using three representative applications: video, web-browsing, and large downloads.
The Role of Synaptic Proteins in the Pathogenesis of Disorders of the Central Nervous System (1993)

Complex sets of nervous system functions are dependent on proper working of the synaptic apparatus, and these functions are regulated by diverse synaptic proteins that are distributed in various subcellular compartments of the synapse. The most extensively studied synaptic proteins are synaptophysin, the synapsins, growth associated protein 43 (GAP-43), SV-2, and p65. Moreover, synaptic terminals contain a great number of other proteins involved in calcium transport, neurotransmission, signaling, growth and plasticity. Probes against various synaptic proteins have recently been used to study synaptic alterations in human disease, as well as in experimental models of neurological disorders. Such probes are useful markers of synaptic function and synaptic population density in the nervous system. For the present, we will review the role of synaptic proteins in the following conditions: Alzheimer's disease (AD) and other disorders including ischemia, disorders where synapse-associated proteins are abnormally accumulated in the nerve terminals, synaptic proteins altered after denervation, and synaptic proteins as markers in neoplastic disorders. The study of the molecular alterations of the synapses and of plasticity might yield important clues as to the mechanisms of neurodegeneration in AD, and of the patterns of presynaptic and dendritic damage under diverse pathological conditions.
Electronic properties of CdSe nanocrystals in the absence and presence of a dielectric medium (1999)

We present a detailed study of the electronic properties of CdSe nanocrystals in the absence and presence of a dielectric medium. The electronic structure of the nanocrystal is modeled within the framework of the empirical pseudopotential method. We use a real-space grid representation of the wave function, and obtain the eigenvalues and eigenstates of the one-electron Hamiltonian using a slightly modified version of the filter-diagonalization method. The band gap, density of states, charge density, multipole moments, and electronic polarizabilities are studied in detail for an isolated nanocrystal. We discuss the implications of the results for the long range electrostatic and dispersion interactions between two CdSe nanocrystals. To study the effects of the surroundings we develop a self-consistent reaction field method consistent with the empirical pseudopotential method. We use the eigenstates of the isolated nanocrystal and iterate the self-consistent equations until converged results are obtained. The results show that the electronic properties of polar CdSe nanocrystals are quite sensitive to the environment.