gebhart/patrepeval huggingface dataset:
Effective photoreduction of carbon dioxide/bicarbonate to formate using visible light (1987)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffective photoreduction of carbon dioxide/bicarbonate to formate using visible lightDaniel Mandler and Itamar WillnerCite this: J. Am. Chem. Soc. 1987, 109, 25, 7884–7885Publication Date (Print):December 1, 1987Publication History Published online1 May 2002Published inissue 1 December 1987https://pubs.acs.org/doi/10.1021/ja00259a048https://doi.org/10.1021/ja00259a048research-articleACS PublicationsRequest reuse permissionsArticle Views574Altmetric-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 optionsGet e-Alertsclose Get e-Alerts
XRD and DSC study of the formation and the melting of a new zeolite like borosilicate CsBSi5O12 and (Cs,Rb)BSi5O12 solid solutions (2007)

Polycrystalline CsBSi 5 O 12 was prepared from a stoichiometric mixture by solid-state reaction above 1000 °C. The solid solutions Cs 1–x Rb x BSi 5 O 12 were obtained at 1000 °C during a long heat treatment of polycrystalline Cs 1–x Rb x BSi 2 O 6 boropollucites ( x Rb = 0, 0.05, 0.2, 0.4). A new borosilicate compound and its solid solutions were studied using X-ray powder diffraction (XRD), annealing, differential scanning calorimetry (DSC), and thermogravimetry (TG). For Cs,Rb-boropollucites the new phase formation is accompanied by significant mass losses detected by DSC and TG. The following mechanism of phase transformations is assumed: (Cs,Rb)BSi 2 O 6 → (Cs,Rb)BSi 5 O 12 + (Cs,Rb)BO 2 ↑. The zeolite phase forms as a result of the boropollucite decomposition over 1000 °C. Zeolite decomposes also on further heating and the SiO 2 reflections are observed in the XRD pattern only. Thus above 1000 °C both boropollucite and zeolite phases are unstable presumably due to the ability of the alkali cations to leave the structure. Using XRD the unit cell parameters of CsBSi 5 O 12 have been determined in the orthorhombic crystal system: a = 16.242(4) Å, b = 13.360(4) Å, c = 4.874(1) Å. The compound is isostructural with the zeolite compound CsAlSi 5 O 12 . In the crystal structure of Cs 1–x Rb x BSi 5 O 12 solid solutions the changes of cell parameters are insignificant under the substitution of Cs by Rb atoms that indicates a very limited substitution range.
Proinflammatory Dietary Intake is Associated with Increased Risk of Colorectal Cancer: Results of a Case-Control Study in Argentina Using a Multilevel Modeling Approach (2017)

Little evidence regarding the inflammatory potential of diet and its effect on colorectal cancer exists in Latin American countries. The aim of the present study was to evaluate the association between the Dietary Inflammatory Index (DII®) and colorectal cancer (CRC) risk in Córdoba, Argentina. A frequency-matched case-control study (N = 446, including 144 (32.3%) CRC cases and 302 (67.7%) controls was conducted in Córdoba (Argentina) from 2008 through 2015. DII® scores were computed based on dietary intake assessed by a validated food frequency questionnaire (FFQ). Multilevel logistic regression models were fit to evaluate the association between DII scores and CRC, following adjustment for age, body mass index, sex, energy intake, smoking habits, socio-economic status, physical activity, and use of nonsteroidal anti-inflammatory drugs as first-level covariates and level of urbanization as the contextual variable. Odds of colorectal cancer increased linearly with increasing DII scores (OR<sub>continuous</sub> 1.34; 95%CI 1.07 to 1.69 and OR<sub>tertile3 vs. tertile1</sub> 1.21; 95%CI 1.01 to 1.44). The association was stronger among men than women (OR<sub>continuous</sub> 1.29; 95%CI 1.21 to 1.37 vs. OR<sub>continuous</sub> 1.05; 95%CI 0.83 to 1.33, respectively). A proinflammatory diet, reflected by higher DII scores, was positively associated with colorectal cancer occurrence, mainly in men.
An accelerated senescence response to radiation in wild-type p53 glioblastoma multiforme cells (2006)

Both accelerated senescence and conventional growth arrest are likely to represent alternative responses to apoptosis in irradiated GBM cells.
Detection of Mycobacterium bovis in Bovine Clinical Specimens Using Real-Time Fluorescence and Fluorescence Resonance Energy Transfer Probe Rapid-Cycle PCR (2001)

Nucleic acid sequence capture extraction was coupled with LightCycler PCR amplification and product detection using real-time fluorescence for rapid, definitive detection of Mycobacterium bovis in lymph node specimens from 38 cattle with bovine tuberculosis lesions. PCR amplification of sequence-captured DNA using both a conventional heating block thermocycler and a LightCycler thermocycler was compared with culture and histopathological analyses. Conventional PCR enabled detection of 26 of 28 culture-positive specimens (93%) in approximately 9 h, and the LightCycler PCR detected 20 of 28 culture-positive specimens (71%) in only 30 min. Specific confirmation of Mycobacterium tuberculosis complex DNA was achieved by LightCycler PCR amplification using Syb Green 1 and an M. tuberculosis complex-specific Cy5-labeled fluorescence resonance energy transfer probe. The system described here enabled rapid and specific laboratory confirmation of bovine tuberculosis, and this is the first report of the detection of M. bovis in tissues using LightCycler PCR. The fluorescence technology used in the study has potential to allow development of a high-throughput molecular diagnostic test for bovine tuberculosis.
Analysis of Road Surface Profiles (1999)

This paper introduces a universal methodology for the analysis of discretely sampled sealed bituminous road profile data. Several hundred kilometers of Victorian (Australia) road profile data are analyzed in both the frequency and the amplitude domains. Road profile spectral characteristics are shown to be independent of road roughness. However, statistical analysis of the road elevation data shows them to be highly nonstationary, non-Gaussian processes that contain transients. Transients are difficult to locate when the data are analyzed in the road profile elevation domain itself, as they often occur within the Gaussian distribution. The road profile spatial acceleration is adopted as the preferred analysis domain, as roughness variations and transient events are identified with greater reliability and accuracy. Analysis of the spatial acceleration data enables the identification of large amplitude, short duration events (transients) as they occur extremely outside the Gaussian distribution. Higher order statistics, such as skewness and kurtosis, as well as the crest factor, are also used to detect transients (see Appendix I). It is shown that the road surface elevation becomes a stationary mean process with a nonstationary root-mean square when analyzed in the spatial acceleration domain.
Synthesis and Characterization of Poly([1,2,4]triazolyl- and [1,2,4]triazolo[3,4- b][1,3,4]thiadiazinylsulfanylmethyl)arenes: Novel Multi-Armed Molecules. (2013)

A synthesis of novel three-, four-, and sixfold branched triazoles 3-5 and triazolothiadiazines 7, 8 and 10, which are linked to a benzene core via sulfanylmethylene spacers was reported. The reaction proceeded via initial treatment of the appropriate poly(bromomethyl)arenes 2 with the corresponding equivalents of 4-amino-4H-1,2,4-triazoles 1 in refluxing ethanolic KOH to give poly(triazolyl)arenes 3-5. Subsequent reaction of 4b and 5b with phenacyl bromide in refluxing DMF-ethanol mixture afforded poly(triazolothiadiazinyl)arenes 7 and 8, respectively. Compounds 7 and 8 were alternatevely obtained by the reaction of 2b and 2c with 6-phenyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine-3-thiol 9 in refluxing EtOH/DMF containing KOH. Similarly, threefold substitution of 2a with three equivalents of 9 afforded 10 in good yield. Keywords: Poly(bromomethyl)arenes, alkylation, cyclization, triazoles, triazolo-thiadiazines.
Atypical Antipsychotics: New Directions and New Challenges in the Treatment of Schizophrenia (2001)

"Atypical" antipsychotics represent a new generation of antipsychotics with a significantly lower incidence of extrapyramidal side effects (EPS), as well as little or no effect on prolactin elevation. These advantages constitute a major improvement in the treatment of patients with schizophrenia. The exact mechanisms that make these drugs atypical is not clear. However, a preferential action on serotonin 5-HT2 or D4 receptors, or a more rapid dissociation from the dopamine D2 receptor, may account for atypicality. Although the atypical antipsychotics have overcome EPS, other side effects such as weight gain and impaired glucose tolerance/lipid abnormalities have come to the fore. Thus, the challenges are far from over. The current atypicals are much more effective against the psychosis of schizophrenia than against the other, more enduring aspects of this disorder, e.g. negative symptoms and cognitive dysfunction. At present, the atypicals use a "pharmacological shotgun" strategy to treat aspects of the disease in all patients. A more sophisticated and perhaps effective approach to schizophrenia may lie in independently targeting the pathophysiological mechanisms of each clinical dimension (i.e. positive, negative, cognitive, and affective) with more selective drugs that can be combined and individually titrated to the needs of each patient.
Surface plasmons for nanofabrication (2004)

The diffraction limit is the major stumbling block in pushing optical lithography to feature sizes smaller than ~50 nm. One approach to circumvent the diffraction limit in optical lithography has been to use optical near-field probes to perform local writing of resist layers. This approach suffers from low writing speeds due to the sequential nature of the process. We discuss two <i>near-field optical illumination schemes</i> that are compatible with broad-beam exposure and high throughput nanofabrication. The first approach concerns a method that can be used to print patterns with feature sizes below 50 nm using standard photoresist. The method relies on the plasmon resonance occurring in nanoscale metallic particles. Nanoparticle surface plasmons can be excited resonantly, producing a strongly enhanced dipole field around the particle. This enhanced near field can be used to locally expose a thin resist layer. Experiments and simulations show that feature sizes &lt; 50 nm can be produced using an exposure wavelength of 400 nm. The second approach involves projecting near-field patterns using planar metal films. It has been predicted that thin metal films may be used to generate images with a spatial resolution better than the diffraction limit. We present simulations that reveal the role of surface plasmons in such near-field imaging with planar metal films.
Homo- and heterobimetallic complexes connected by peralkylated cyclopentadienyl rings having a two-carbon bridge between them (1985)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHomo- and heterobimetallic complexes connected by peralkylated cyclopentadienyl rings having a two-carbon bridge between themS. A. MacLaughlin, R. C. Murray, J. C. Dewan, and R. R. SchrockCite this: Organometallics 1985, 4, 4, 796–798Publication Date (Print):April 1, 1985Publication History Published online1 May 2002Published inissue 1 April 1985https://pubs.acs.org/doi/10.1021/om00123a032https://doi.org/10.1021/om00123a032research-articleACS PublicationsRequest reuse permissionsArticle Views124Altmetric-Citations19LEARN 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
Lightweight Conferencing Enabler for Multiparty Applications in the IMS (2009)

The IP Multimedia Subsystem (IMS) brings more functionality into communication networks and allows them to offer a range of services beyond the mere transport of media. IMS standard multiparty services include audiovisual conferencing and Push To Talk (PTT/PoC), which are powered by specific (and expensive) servers performing media handling functions in a centralized manner. These multiparty services mimic traditional telecommunication services and are specialized in audio and video conferencing. This approach lacks the flexibility to provide innovative multiparty applications that require custom media or distributed topologies. For example, an online game may include voice communication among players, but it requires additional means to communicate the game state among players. Applications of this kind have to rely on custom servers to provide multiparty functionality and would benefit from a common, media-agnostic, conferencing framework in the IMS. This paper focuses on providing generic multiparty functionality in the IMS by making the most of the XML Document Management (XDM) services: group management, event delivery and search functions. The paper describes a lightweight enabler implemented on top of the XDM that supports distributed applications in the IMS.
Further Experiments and Origin of Oscillatory Desorption of Alkali Atoms from α-Alumina (1985)

Resultats d'etudes par spectrometrie de masses quadripolaire, couple a un ordinateur relatifs a de l'alumine-2 chauffee a une temperature de l'ordre de 850°C
Query language modeling for voice search (2010)

The paper presents an empirical exploration of google.com query stream language modeling. We describe the normalization of the typed query stream resulting in out-of-vocabulary (OoV) rates below 1% for a one million word vocabulary. We present a comprehensive set of experiments that guided the design decisions for a voice search service. In the process we re-discovered a less known interaction between Kneser-Ney smoothing and entropy pruning, and found empirical evidence that hints at non-stationarity of the query stream, as well as strong dependence on various English locales-USA, Britain and Australia.
A Unified Model of Age-Related Cardiovascular Disease (2022)

Despite progress in biomedical technologies, cardiovascular disease remains the main cause of mortality. This is at least in part because current clinical interventions do not adequately take into account aging as a driver and are hence aimed at suboptimal targets. To achieve progress, consideration needs to be given to the role of cell aging in disease pathogenesis. We propose a model unifying the fundamental processes underlying most age-associated cardiovascular pathologies. According to this model, cell aging, leading to cell senescence, is responsible for tissue changes leading to age-related cardiovascular disease. This process, occurring due to telomerase inactivation and telomere attrition, affects all components of the cardiovascular system, including cardiomyocytes, vascular endothelial cells, smooth muscle cells, cardiac fibroblasts, and immune cells. The unified model offers insights into the relationship between upstream risk factors and downstream clinical outcomes and explains why interventions aimed at either of these components have limited success. Potential therapeutic approaches are considered based on this model. Because telomerase activity can prevent and reverse cell senescence, telomerase gene therapy is discussed as a promising intervention. Telomerase gene therapy and similar systems interventions based on the unified model are expected to be transformational in cardiovascular medicine.
Monolithic on-chip mid-IR methane gas sensor with waveguide-integrated detector (2019)

We demonstrate a monolithic waveguide sensor integrated with a detector on-chip for mid-infrared absorption spectroscopic sensing. The optical sensing element comprises a chalcogenide glass spiral waveguide, and the detector is a PbTe photoconductor integrated directly with the chalcogenide waveguide. The limit of detection of the sensor for methane gas was experimentally assessed to be 1% by volume. Further optimization of the fabrication process and normalization of the laser power fluctuations should result in a maximum sensitivity of 330 ppmv.
The Modification of the Electrical Property in Double-Walled Carbon Nanotube Devices with a Self-Assembled Monolayer of Molecules (2008)

We have investigated the electrical transports of double-walled carbon nanotube field effect transistors (DWNT-FETs) with modified contacts. The CNT/Au metal contacts of DWNT-FETs were modified with a self-assembled monolayer of 2-aminoethanethiol molecules. In ambient air, the contact-modified DWNT-FETs showed a decreased conductance in the p-channel (negative gate voltages) and an increased conductance in the n-channel (positive gate voltages), while the original device showed p-type transport. In a vacuum, the n-channel current in the contact-modified DWNT-FET started to rise. We observed a clear n-type transport in the high vacuum. Almost no changes in the gate threshold voltages were observed by means of the contact-modification with a self-assembled monolayer. While the semiconducting DWNT-FET showed a clear transition from a p-type to n-type transistor with contact modification, no apparent changes were observed in semi-metallic DWNT devices.
Simulations of an all-optical flip-flop with a reset pulse frequency exceeding operating frequency (2016)

An all-optical flip-flop based on a nonlinear multi-section DFB semiconductor laser structure is proposed. Holding beam is not required for device's operation. A section of the DFB structure is detuned to prevent lasing in the “OFF” state, and it is accompanied with a negative nonlinear coefficient that is due to partial absorption of photons at Urbach tail. At a high light intensity in the structure the nonlinear coefficient reduces the detuning, and the device is in lasing state; “ON” state. The device is reset by an optical pulse at a shorter wavelength through cross gain modulation. The reset pulse is absorbed in a middle section in the device before reaching the detuned nonlinear section. The switching times between the states are in nanoseconds time scale.
Effects of robot-assisted activity for elderly people and nurses at a day service center (2004)

Mental commit robots have been developed to provide psychological, physiological, and social effects in human beings through physical interaction. The appearance of these robots is designed to emulate real animals such as a cat or a seal. The seal robot was developed especially for therapeutic applications. Seal robots have been applied to assisting the activity of the elderly at a day service center. In order to investigate the effects of seal robots on elderly people, their mood was evaluated using face scales (which express moods by identifying the appropriate facial illustration) and questionnaires. Changes in reaction to stress in the elderly was measured using urinary tests. In addition, stress of nursing staff was investigated. Their mental state was evaluated using a "burnout scale." The day service center was provided with seal robots for five weeks. As a result, the feelings of elderly people improved by the interaction with the robots. Urinary tests showed that their ability to overcome stress were also improved. Moreover, the stress levels of the nursing staff decreased because the elderly people required less supervision when interacting with the robots. Consequently, the seal robots were judged to be useful at institutions for the elderly, such as the day service center.
Thin ordered bundles of infrared-transmitting silver halide fibers (2005)

Thin, ordered bundles of fibers were extruded from AgClxBr1−x (0&amp;lt;x&amp;lt;1) crystals. They consisted of 100 individual fibers of average diameters 30–45μm, packed in tight arrays to form bundles of outer diameters 0.7–2.0mm. The bundles transmitted radiation in the spectral range of 3–20μm and exhibited relatively low transmission losses and no bending losses. The bundles were used to transmit thermal images of objects at room temperature to a distance of several meters. These thin and flexible bundles will be useful for fiber-optic thermal imaging in medical and industrial applications.
Casing Drilling in the San Juan Basin to Eliminate Lost Returns in a Depleted Coal Formation (2008)

Abstract A casing drilling pilot program was conducted in the San Juan basin to determine if lost returns could be eliminated in a depleted coal formation. The pilot program proved that casing drilling can mitigate lost returns drilling through the coal and can be made economic in a low cost environment. The reduction in the amount of fluid lost should result in less damage to offset producing coal wells, resulting in higher ultimate recoveries. Development costs may also be reduced, by replacing directional wells drilled to avoid lost return zones, with lower cost vertical wells. A total of six wells were drilled with non-retrievable casing drilling bits. Two wells were drilled using a casing drilling bit on drillpipe (DP). Based on the bit performance four other wells were drilled with casing. Three wells drilled through the coal and had losses that were eliminated with casing drilling. One well experienced a bit failure and did not drill into the coal. The pilot program was completed with significant learnings. Losses were healed in the coal. A non-retrievable casing drilling system successfully drilled to the intermediate casing point without a trip. The bit design was changed significantly and resulted in 54% improvement in drill rate with instantaneous rates of penetration (ROP) similar to traditional polycrystalline diamond compact (PDC) bits. The initial casing design was modified to decrease vibration, and eliminate fatigue after a failure was experienced. The casing drilling bit was successfully drilled out with an air hammer and hammer bit. Other tools and techniques applied during the pilot program included cement stage tools, foam cement, and aerated fluids to reduce the equivalent circulating density (ECD) and to improve ROP.