gebhart/patrepeval huggingface dataset:
Enhanced nonlinear frequency conversion in defective nonlinear photonic crystals with designed polarization distribution (2010)

The transfer matrix method (TMM) has been widely used to calculate the linear optical scattering of electromagnetic waves by optical multilayers and photonic crystal slabs. In this paper, we extend the ordinary TMM into a nonlinear TMM and use the method to analyze the problem of nonlinear frequency conversion such as second-harmonic generation (SHG), sum frequency generation, and difference frequency generation (DFG) in a general one-dimensional (1D) nonlinear photonic crystal (NPC) under normal incidence of fundamental wave. The transfer matrix of both the fundamental and nonlinear light waves for an arbitrary individual layer is first derived and the analytical recursion algorithm of the transfer matrix for these waves is presented under the numerically stable scattering matrix formulation. This allows one to construct the overall transfer matrix of nonlinear waves very conveniently for the whole nonlinear optical structure from all the individual layer transfer matrices. The method is efficient, user friendly, and free from numerical instability. We have employed the nonlinear TMM to discuss SHG and DFG in a 1D multilayer NPC with defects. The simulations show that strong confinement of the incident waves at the defect states of the NPC can lead to significant enhancement of SHG and DFG. Moreover, optimization of the polarization direction of ferroelectric crystal within the defective cell can further increase the efficiency of SHG and DFG by more than 1 order of magnitude. By adopting appropriate parameters, a single NPC structure can fulfill high-efficiency SHG and DFG simultaneously.
The use of mixed crystals for engineering organic solid-state reactions: application to benzylbenzylidenecyclopentanones (1984)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe use of mixed crystals for engineering organic solid-state reactions: application to benzylbenzylidenecyclopentanonesCharis R. Theocharis, Gautam R. Desiraju, and William JonesCite this: J. Am. Chem. Soc. 1984, 106, 12, 3606–3609Publication Date (Print):June 1, 1984Publication History Published online1 May 2002Published inissue 1 June 1984https://pubs.acs.org/doi/10.1021/ja00324a032https://doi.org/10.1021/ja00324a032research-articleACS PublicationsRequest reuse permissionsArticle Views273Altmetric-Citations54LEARN 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-AlertscloseSupporting Info (1)»Supporting Information Supporting Information Get e-Alerts
A Wideband and Compact GaN MMIC Doherty Amplifier for Microwave Link Applications (2013)

This paper addresses the limitations and difficulties, in terms of DC-current density restrictions, and process limitations, associated with implementing impedance inverters with high characteristic impedance for monolithic microwave integrated circuit (MMIC) Doherty power amplifiers (DPAs). It is theoretically shown that impedance inverters with high characteristic impedance can be realized by utilizing the output capacitance of the active devices, together with a compact Tee-network of transmission lines with feasible linewidths. The utility of the impedance inverter is proven by design and fabrication of a GaN MMIC-DPA for microwave link applications. Continuous wave (CW) measurements demonstrate a maximum output power of 35±0.5dBm over a frequency range of 6.6-8.5 GHz. The power added efficiency (PAE) in 9 dB output power back-off (OPBO) is better than 30% in a frequency range of 6.7-7.8 GHz. Moreover, linearized modulated measurements, employing a 10 MHz 256-QAM signal with 7.8 dB peak to average power ratio (PAPR), demonstrate higher than 35% average PAE, with 27.5 ± 0.2 dBm average output power, and an adjacent channel power ratio (ACPR) less than -45 dBc, across a 6.8-8.5 GHz frequency range. The fabricated chip-size measures 2.1 mm × 1.5mm.
Heat Transfer with Non-Newtonian Dilatant Power-Law Fluids in Square and Rectangular Cavities (2010)

Steady two-dimensional natural convection in fluid filled cavities is numerically investigated for the case of non- Newtonian shear thickening power law liquids. The conservation equations of mass, momentum and energy under the assumption of a Newtonian Boussinesq fluid have been solved using the finite volume method for Newtonian and non-Newtonian fluids. The computations were performed for a Rayleigh number, based on cavity height, of 105 and a Prandtl number of 100. In all of the numerical experiments, the channel is heated from below and cooled from the top with insulated side-walls and the inclination angle is varied. The simulations have been carried out for aspect ratios of 1 and 4. Comparison between the Newtonian and the non-Newtonian cases is conducted based on the dependence of the average Nusselt number on angle of inclination. It is shown that despite significant variation in heat transfer rate both Newtonian and non-Newtonian fluids exhibit similar behavior with the transition from multi-cell flow structure to a single-cell regime.
Piecewise Linear Model for Real-Time Rate Control (2006)

Most existing rate control schemes in the literature evaluate quantization parameters of macro-blocks (MB) based on models which estimate well at low bit rates (e.g. quadratic model). These models are not flexible because this model does not estimate well for different situations with different rates. This work investigates the relationships of the rate and the distortion of a residue MB with two parameters - MB quantization step size and standard deviation of MB prediction errors. A piecewise linear rate model and linear distortion model are proposed. Then, we present the proposed rate control scheme based on these models. The experimental results suggest that our scheme achieves PSNR gain over TMN8 and Li's scheme.
Chikungunya Virus Pathogenesis and Immunity (2015)

Chikungunya virus (CHIKV) is an arbovirus associated with acute and chronic arthralgia that re-emerged in the Indian Ocean islands in 2005-2006 and is currently responsible for the ongoing outbreaks in the Caribbean islands and the Americas. We describe here the acute and chronic clinical manifestations of CHIKV in patients that define the disease. We also review the various animal models that have been developed to study CHIKV infection and pathology and further strengthened the understanding of the cellular and molecular mechanisms of CHIKV infection and immunity. A complete understanding of the immunopathogenesis of CHIKV infection will help develop the needed preventive and therapeutic approaches to combat this arbovirosis.
Amino Acid Profiles of Total and Soluble Protein in Feedstuffs Commonly Fed to Ruminants (1978)

Abstract Samples of 19 feedstuffs commonly fed to ruminants were hydrolyzed and profiles of total amino acids determined. The soluble protein fraction was extracted in a modified version of Burroughs mineral buffer, hydrolyzed, and analyzed for amino acids. The amino acid content of the insoluble protein fraction was found by difference. In the majority of the feedstuffs analyzed, there were marked differences between the amino acid profile of the total protein and the amino acid profile of the insoluble protein fraction. This suggests that the amino acid profile of the undegraded protein which bypasses the rumen may be different from the amino acid profile of the dietary protein as originally ingested. If these differences exist in vivo, they will be of consequence in the application of several recently proposed systems for the estimation of metabolizable amino acids which assume no differences in amino acid profile between total and undegraded feed protein.
ChemInform Abstract: Synthesis of Azapyrrolo[3,2,1‐jk]carbazoles, Azaindolo[3,2,1‐jk]carbazoles, and Carbazole‐1‐carbonitriles by Gas‐Phase Cyclization of Aryl Radicals. (2010)

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 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.
Cholesterol and the menopause: Dietary recommendations for improved patient care (2009)

For postmenopausal women and those undergoing menopause, the risk of developing cardiovascular disease is significantly elevated. Changes to cholesterol and lipid profiles in women at this time can lead to a number of deleterious effects including abdominal fat deposition, reduced glucose tolerance, and increased blood pressure. As a result, cardiovascular disease has become the leading cause of morbidity and mortality in postmenopausal women, accounting for nearly 50% of all female deaths in developed countries. In response to the current situation, a panel of women’s health and nutrition experts have developed a new, six-step plan of dietary recommendations to support cholesterol management during the menopause. The importance of developing such recommendations has been supported by research demonstrating that nearly half of women surveyed stated that they would prefer to take control of their menopausal symptoms through alterations to their diet and lifestyle rather than by medication.
Sodium- and chloride-dependent transporters in brain, kidney, and gut (1993)

The family of Na(+)- and Cl(-)-dependent, 12 transmembrane domain transporter proteins now includes transporters for neurotransmitter molecules in the brain and for substances important in extraneuronal tissues, including adrenal, kidney, and gut. Transported substrates include monoamine and amino acid neurotransmitters and nonperturbing osmolytes. A common protein topology is predicted and features intracellular N- and C-termini possessing phosphorylation sites and at least one large extramembranous loop with N-linked glycosylation. Using the rat dopamine transporter as a template, molecular modeling of putative transmembrane domains coupled with amino acid sequence conservation analysis indicates amino acid residues potentially involved in substrate and/or ion recognition. Targeting such residues with site-directed mutagenesis will help clarify substrate and ion binding sites and should facilitate rational design of therapeutics to combat depression, locomotor disorders, and substance abuse.
Verotoxin and ricin have novel effects on preproendothelin-1 expression but fail to modify nitric oxide synthase (ecNOS) expression and NO production in vascular endothelium. (1998)

Interaction of bipartite Escherichia coli O157-derived verotoxins (VTs) 1 and 2 (Shiga toxin 1 and 2) with vascular endothelium is believed to play a central role in the pathogenesis of the thrombotic microangiopathy and ischemic lesions characteristic of hemolytic uremic syndrome and of E. coli O157-associated hemorrhagic colitis. We defined the effects of VTs on the expression of potent endothelial cell-derived regulators of vascular wall function, namely endothelin-1 (ET-1) and nitric oxide (NO). In quiescent bovine aortic endothelial cells, both VT1 and VT2, but not receptor-binding VT B-subunit which lacks N-glycosidase activity, induced concentration-dependent (0.1-10 nM) increases in steady state preproET-1 mRNA transcript levels, an effect that was maximal at 12-24 h. Metabolic-labeling experiments indicated that VTs increased preproET-1 mRNA transcript levels at concentrations that had trivial effects on nascent DNA, RNA, and protein synthesis. In contrast to preproET-1, endothelin converting enzyme-1 and endothelial constitutive NO synthase mRNA transcript levels remained unchanged. Consistent with these findings, VTs failed to modulate immunoreactive endothelial constitutive NO synthase expression and basal and calcium-dependent L-[14C]arginine to L-[14C]citrulline conversion or the NO chemiluminescence signal. The plant-derived toxin ricin, which shows a similar molecular mechanism of enzymatic ribosomal modification to VTs, caused comparable effects on these endothelial vasomediators and metabolite incorporation, at 3 log orders lower concentrations. Nuclear transcription and actinomycin D chase experiments indicated that VTs stabilize labile preproET-1 mRNA transcripts in endothelial cells. Therefore, VTs potently increase select mRNA transcript levels in endothelial cells at concentrations of toxins that have minimal effects on protein synthesis. Perturbed expression of endothelial-derived vasomediators may play a pathophysiologic role in the microvascular dysfunction that is the hallmark of hemolytic uremic syndrome and hemorrhagic colitis.
Fibre-Optic Ph Sensor For Seawater Monitoring (1987)

A sensor for continuous monitoring of pH in seawater is presented. It is based on the conversion of the yellow (reduced) form of the indicator phenol red into the red (oxidized) form. The instrument is implemented using fibre-optic technology. The probe consists of a cell, containing the dye immobilized on a cross-linked styrene-divinylbenzene polymer Rotrix, placed on the tip of the optical fibre. The working range of the sensor is included within these bounds: 6&lt; pH &lt;9; 20.2e/bo&lt;sai inity 35.2%4 5°C temperature 30°C. The design of the probes takes into account the influQnce of ionic strength and temperature and provisions are adopted to compensate for&apos; their changes in working ranges specified above.
One-step purification of guinea pig liver transglutaminase using a monoclonal-antibody immunoadsorbent. (1985)

Guinea pig liver transglutaminase was purified in a yield of more than 80% by a one-step purification procedure using an immunoadsorbent column of monoclonal antibodies. Active enzyme could be recovered by alkaline buffer desorption and quick neutralization. The purified enzyme was more than 98% homogeneous on polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate, and had the same enzymological and immunological properties as those of the enzyme purified by conventional procedures.
ChemInform Abstract: A Synthesis of Pyrrolomorphinans. (1995)

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 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.
An Endogenous Pain Control System is Altered in Subjects with Interstitial Cystitis (2013)

An endogenous pain inhibitory system normally observed with conditioned pain modulation was altered in subjects with interstitial cystitis/bladder pain syndrome. This finding identifies interstitial cystitis/bladder pain syndrome as similar to several other chronic pain disorders such as fibromyalgia and irritable bowel syndrome, and suggests that a deficit in endogenous pain inhibitory systems may contribute to such chronic pain disorders.
Night Vision Devices and Characteristics (1992)

Night vision goggles (NVGs) are widely used to enhance visual capability during night operations. NVGs are basically composed of an objective lens which focuses an image onto the photo-cathode of an image intensifier tube which in turn produces an amplified image that is viewed through an eyepiece lens. There are several versions of NVGs in use and in development. These include the AN/PVS-5,AN/AVS-6, PVS-7, Cat's Eyes, Nite-Op, Eagle Eyes, Merlin, and others. The first section of this paper provides a brief description and characterization of each of these NVGs. There are several parameters that are used to characterize the image quality and capability of the NVGs. These parameters include field-of-view (FOV), resolution, spectral sensitivity, brightness gain, distortion, magnification, optical axes alignment, image rotation, overlap, beamsplitter ratio, exit pupil diameter, eye relief, and others. Each of these is discussed in the second section of this paper.
Electrochemical Oxidation of Five-Unit Heterocycles: A Discussion on the Possible Dimerization Mechanisms (1995)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectrochemical Oxidation of Five-Unit Heterocycles: A Discussion on the Possible Dimerization MechanismsPierre Audebert, Jean-Marie Catel, Gerard Le Coustumer, Virginie Duchenet, and Philippe HapiotCite this: J. Phys. Chem. 1995, 99, 31, 11923–11929Publication Date (Print):August 1, 1995Publication History Published online1 May 2002Published inissue 1 August 1995https://doi.org/10.1021/j100031a021RIGHTS & PERMISSIONSArticle Views293Altmetric-Citations58LEARN 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 (807 KB) Get e-Alerts
Aurora kinase A revives dormant laryngeal squamous cell carcinoma cells via FAK/PI3K/Akt pathway activation (2016)

Revival of dormant tumor cells may be an important tumor metastasis mechanism. We hypothesized that aurora kinase A (AURKA), a cell cycle control kinase, promotes the transition of laryngeal squamous cell carcinoma (LSCC) cells from G0 phase to active division. We therefore investigated whether AURKA could revive dormant tumor cells to promote metastasis. Western blotting revealed that AURKA expression was persistently low in dormant laryngeal cancer Hep2 (D-Hep2) cells and high in non-dormant (T-Hep2) cells. Decreasing AURKA expression in T-Hep2 cells induced dormancy and reduced FAK/PI3K/Akt pathway activity. Increasing AURKA expression in D-Hep2 cells increased FAK/PI3K/Akt pathway activity and enhanced cellular proliferation, migration, invasion and metastasis. In addition, FAK/PI3K/Akt pathway inhibition caused dormancy-like behavior and reduced cellular mobility, migration and invasion. We conclude that AURKA may revive dormant tumor cells via FAK/PI3K/Akt pathway activation, thereby promoting migration and invasion in laryngeal cancer. AURKA/FAK/PI3K/Akt inhibitors may thus represent potential targets for clinical LSCC treatment.
Mobile Business Intelligence (2012)

Mobile business intelligence (BI) is BI delivered to mobile devices, such as cell phones and personal digital assistants (PDAs). Mobile devices, given their fundamental purpose, should be small and portable. Accordingly, they have small-sized screens. Thus the dashboard which is developed for desktops or laptops may not display very well on these small devices. There are two approaches to mobile BI deployments thick-client and thin-client. Thick-client deployments run special software on each type of mobile device, fed by special servers that manage the interactions with those devices. This leads to the selection of BI dashboards that can incorporate with mobile devices. If a dashboard contains multiple objects (also referred to as “web parts”) and each object is independent of the other, it would migrate to smart phones much more easily, whereas if we have a dashboard containing multiple objects all dependent on each other, it would be difficult to put the entire dependency onto the small display screen of smart phones.
Optical characterization of GaInNAs (2001)

We report on experimental characterization of GaInNAs and GaInAs semiconductor materials grown on GaAs by Chemical Beam Epitaxy. The optical characterization of the samples has been carried out by orthodox photoluminescence and ellipsometry measurements. We show that even a small amount of nitrogen added to GaInAs has a considerable effect on the optical properties, causing a red shift in the emission wavelength, a reduction in PL efficiency and an increase in the refractive index.
DEVELOPMENT OF SMES IN AGRIBUSINESS OF VOJVODINA COMMUNES - STATE AND PERSPECTIVES (2009)

Agriculture as the economic sector is an important factor of economic development of Serbia and an important part of economic structure. Serbia has agrarian resources (land, climate and water) that are not used enough, and therefore, represent a significant economic potential for further development. Vojvodina is the best-developed economic region of the Republic of Serbia, with dominant role of agricultural production. The main economic potential of Vojvodina development is, among other things, the strengthening and improvement of agriculture in the private sector. Economic potential of agriculture impose the need to analyze this situation in the field of small and medium sized entrepreneurship as the bearer of the future development of agriculture in Vojvodina. Cluster analysis is a method that will determine how to group communes in Vojvodina according to the level of development of small and medium-sized enterprises in the field of agriculture, and thus get an insight into the current state of development of this sector of agriculture, as well as point out the possibilities for the future development of SMEs in agribusiness of Vojvodina.
Cardioprotective actions of nitroxyl donor Angeli's salt are preserved in the diabetic heart and vasculature in the face of nitric oxide resistance (2022)

This is the first evidence that inotropic and lusitropic responses are preserved, and NO• resistance in the coronary and mesenteric vasculature is circumvented, by the HNO donor Angeli's salt in T2DM. These findings highlight the cardiovascular therapeutic potential of HNO donors, especially in emergencies such as acute ischaemia or heart failure.
Electroluminescent textiles for home interior decoration (2021)

Illumination and well-being are important aspects of “Smart Living” today. Within the IraSME Network a consortium of four German and two Belgian partners therefore developed a low energy consuming light source integrated into home interior decoration