gebhart/patrepeval huggingface dataset:
Coordination of {Mo142} Ring to La3+ Provides Elliptical {Mo134La10} Ring with a Variety of Coordination Modes (2009)

A28-electron reduced C2h-Mo-blue 34Ǻ outer ring diameter circular ring, [Mo142O429H10(H2O)49(CH3CO2)5(C2H5CO2)]30- (≡{Mo142(CH3CO2)5(C2H5CO2)}) comprising eight carboxylate-coordinated (with disorder) {Mo2} linkers and six defect pockets in two inner rings (four and three for each, respectively), reacts with La3+ in aqueous solutions at pH 3.5 to yield a 28-electron reduced elliptical Ci-Mo-blue ring of formula [Mo134O416H20(H2O)46{La(H2O)5}4{La(H2O)7}4{LaCl2(H2O)5}2]10- (≡{Mo134La10}), isolated as the Na10[Mo134O416H20(H2O)46{La(H2O)5}4{La(H2O)7}4{LaCl2(H2O)5}2]·144 H2O Na+ salt. The elliptical structure of {Mo134La10} showing 36 and 31 Å long and short axes for the outer ring diameters is attributed to four (A-D) modes of LaO9/LaO7Cl2 tricapped-trigonal-prismatic coordination (TTP) geometries. Two different LaO2(H2O)7 and one LaO2(H2O)2Cl2 TTP geometries (as A-C modes) for each of two inner rings result from the coordination of all three defect pockets of the inner ring for {Mo142(CH3CO2)5(C2H5CO2)}, and two LaO4(H2O)5 TTP geometries (as D mode) result from the displacement of two (acetate/propionate-coordinated) binuclear {Mo2} linkers with La3+ in each inner ring. The isothermal titration calorimetry (ITC) of the ring modification from circle to ellipsoid, showing the endothermic reaction of [La3+]/[{Mo142(CH3CO2)5(C2H5CO2)}] = 6/1 with DH = 22 kJ×mol-1, DS = 172 J×K-1×mol-1, DG = −28 kJ×mol-1, and K = 9.9 ´ 104 M-1 at 293 K, leads to the conclusion that the coordination of the defect pockets to La3+ precedes the replacement of the {Mo2} linkers with La3+. 139La- NMR spectrometry of the coordination of {Mo142(CH3CO2)5(C2H5CO2)} ring to La3+ is also discussed.
Abstract 3462: Knock-Down of Cyclin-Dependent Kinase Inhibitors by RNAi Induces Cardiomyocyte Re-Entry in the Cell Cycle (2008)

The oxidation of diamond is attracting increasing interest, in the light of efforts to modulate its electronic properties for device applications. Ozone is a promising candidate oxidant species, allowing low temperature processing compared with molecular dioxygen. Here, we present first-principles molecular dynamics simulations for the dissociative adsorption of ozone on the {001} surface of diamond, carried out at the level of density functional theory. We find that ozone readily oxidizes the surface, with two distinct modes of reaction: partial dissociation results in deposition of a single oxygen adatom in an alkoxide-like structure that rapidly converts to an epoxide-like configuration; complete dissociation results in two adatoms located in ketone-like structures, with a third occupying an alkoxide geometry, expected to revert to the epoxide in due course. We describe not only the structural changes during the reactions, but also the variations in electron and spin densities that reveal the bonding rearrangements.
A new polydimethylsiloxane (PDMS) microcantilever with integrated optical waveguide for biosensing application (2012)

This paper reports a novel biosensor monolithically integrate optical waveguide into PDMS microcantilever. The sensor consists of buried optical fibers, integrated optical waveguide and horizontal PDMS microcantilever suspended into microfluidic channel. The thin PDMS layer involves microcantilever, microfluidic cannels and optical channels fabricated using soft lithography technique. The thin layer is covered by semi-bonding of a glass slide and a PDMS layer to enable introducing the material of waveguide core into the waveguide channel embedded into PDMS microcantilever. The covering layers are then replaced by other PDMS layers which have hollow features to release the microcantilever for free deflection and to seal microfluidic network. The input and output multimode fibers are horizontally inserted into the optical channels. The light received at the input fiber is conducted through the optical waveguide microcantilever and is delivered to the output fiber. Numerical model is presented to simulate the optical performance of the optical waveguide PDMS microcantilever under fluid flow testing and to find the proper dimensions and waveguide material. The deflection of microcantilever under flow loading distorts the light and causes power loss at the output fiber. COMSOL Multiphysics 3.5 is used to perform fluid structure interaction analysis to assess the cantilever defection due to fluid flow and the optical simulation to estimate the power loss due to cantilever deflection. The proposed biosensor can be used to measure the force within the range of living cell growth force and to be integrated within bio-sensing microdevices to carefully measure the fluid flow rate.
Neuropsychological evidence supporting a neurodevelopmental model of schizophrenia: a longitudinal study (1997)

The stability of neuropsychological performance in schizophrenia and its relationship to clinical change was contrasted between 60 patients with schizophrenia (30 first-episode, 30 previously treated) and 38 healthy controls using a comprehensive neuropsychological battery and clinical scales administered at intake and at a 19-month follow-up. Consistent with the neurodevelopmental model of schizophrenia, patients demonstrated deficits in cognitive performance at initial testing and did not show decline at follow-up. There were no differences in neuropsychological performance over time between first-episode and previously treated patients, nor between male and female patients or controls. As expected, patients improved clinically with treatment with respect to both positive and negative symptoms. First-episode patients improved more on the positive symptoms of hallucination and delusion; male and female patients showed equivalent clinical improvement. Clinical improvement correlated positively with neuropsychological change, with improved negative symptomatology accounting for most of the significant correlations.
Phenoptosis in yeasts (2012)

The current view on phenoptosis and apoptosis as genetic programs aimed at eliminating potentially dangerous organisms and cells, respectively, is given. Special emphasis is placed on apoptosis (phenoptosis) in yeasts: intracellular defects and a plethora of external stimuli inducing apoptosis in yeasts; distinctive morphological and biochemical hallmarks accompanying apoptosis in yeasts; pro- and antiapoptotic factors involved in yeast apoptosis signaling; consecutive stages of apoptosis from external stimulus to the cell death; a prominent role of mitochondria and other organelles in yeast apoptosis; possible pathways for release of apoptotic factors from the intermembrane mitochondrial space into the cytosol are described. Using some concrete examples, the obvious physiological importance and expediency of altruistic death of yeast cells is shown. Poorly known aspects of yeast apoptosis and prospects for yeast apoptosis study are defined.
Voice Control in Motor Vehicles (1986)

&lt;div class="htmlview paragraph"&gt;Voice control systems in the motor vehicle are examined in this paper from the perspective of their current functional and technological capabilities. An overview of automatic voice recognition technologies is first presented to highlight technology characteristics which are pertinent to motor vehicle applications. Examples of voice control systems in motor vehicles are then detailed with a focus on today's capabilities. Finally, the concept of a multifunctional, integrated voice control unit for the motor vehicle is previewed as an indication of things to come in motor vehicle voice control.&lt;/div&gt;
A Modified Extended Recursive Least-Squares Method for Closed-Loop Identification of FIR Models (2009)

Performing a plant test under closed-loop conditions is desirable for model identification because production loss and safety problems may result when control loops are opened during plant testing. However, identification of models from closed-loop data is more difficult compared to identifying models from open-loop data because of the correlation between the colored noise and the process inputs created by the feedback. A novel method for identifying models using closed-loop data is proposed, which employs a time-varying bias term with a moving average dynamic component as the model structure. Then identification for this process model is performed using a modified extended recursive least-squares algorithm to eliminate the bias from the process parameter estimates. Evaluation of the proposed algorithm is performed using simulation case studies involving multivariable processes controlled by either diagonal PI controllers or a model predictive controller (DMCPlus). The simulation results showed that the proposed method is robust with respect to measurement noise and is able to identify high quality models from closed-loop data.
Thalliumoxyde (1905)

Abstract Man erhält durch Oxydation alkalischer Thallosalz‐lösungen bei Zimmertemperatur mit Hydroperoxyd sehr bequem, rasch und in beinahe quantitativer Ausbeute ein nahezu wasserfreies, reines, braunes Thallioxyd in sehr feinkristallisierter, leicht auszuwaschender Form.
Nutritional Role of Resistant Starch: Chemical Structure vs Physiological Function (1994)

The objective of this review is to provide an overview of intermittent fasting regimens, summarize the evidence on the health benefits of intermittent fasting, and discuss physiological mechanisms by which intermittent fasting might lead to improved ...Read More
Analysis of Bacteria Contaminating Ultrapure Water in Industrial Systems (2002)

Bacterial populations inhabiting ultrapure water (UPW) systems were investigated. The analyzed UPW systems included pilot scale, bench scale, and full size UPW plants employed in the semiconductor and other industries. Bacteria present in the polishing loop of the UPW systems were enumerated by both plate counts and epifluorescence microscopy. Assessment of bacterial presence in UPW by epifluorescence microscopy (cyanotolyl tetrazolium chloride [CTC] and DAPI [4',6'-diamidino-2-phenylindole] staining) showed significantly higher numbers (10 to 100 times more bacterial cells were detected) than that determined by plate counts. A considerable proportion of the bacteria present in UPW (50 to 90%) were cells that did not give a positive signal with CTC stain. Bacteria isolated from the UPW systems were mostly gram negative, and several groups seem to be indigenous for all of the UPW production systems studied. These included Ralstonia pickettii, Bradyrhizobium sp., Pseudomonas saccharophilia, and Stenotrophomonas strains. These bacteria constituted a significant part of the total number of isolated strains (>or=20%). Two sets of primers specific to R. pickettii and Bradyrhizobium sp. were designed and successfully used for the detection of the corresponding bacteria in the concentrated UPW samples. Unexpectedly, nifH gene sequences were found in Bradyrhizobium sp. and some P. saccharophilia strains isolated from UPW. The widespread use of nitrogen gas in UPW plants may be associated with the presence of nitrogen-fixing genes in these bacteria.
Outcomes of Anatomical versus Functional Testing for Coronary Artery Disease (2015)

In symptomatic patients with suspected CAD who required noninvasive testing, a strategy of initial CTA, as compared with functional testing, did not improve clinical outcomes over a median follow-up of 2 years. (Funded by the National Heart, Lung, and Blood Institute; PROMISE ClinicalTrials.gov number, NCT01174550.).
CannabisDomestication, Breeding History, Present-day Genetic Diversity, and Future Prospects (2016)

Humans and the Cannabis plant share an intimate history spanning millennia. Humans spread Cannabis from its Eurasian homelands throughout much of the world, and, in concert with local climatic and human cultural parameters, created traditional landrace varieties (cultivars resulting from a combination of natural and farmer selection) with few apparent signs of domestication. Cannabis breeders combined populations from widely divergent geographical regions and gene pools to develop economically valuable fiber, seed, and drug cultivars, and several approaches were used with varying results. The widespread use of single plant selections in cultivar breeding, inbreeding, and the adoption of asexual reproduction for commercial drug production, reduced genetic diversity and made many present-day cultivars susceptible to pathogens and pests. The great majority of drug Cannabis cultivars are now completely domesticated, and thus are entirely dependent on humans for their survival. Future ramifications remain to be realized.
Solution dynamics of (.mu.-alkyne)Co2(CO)4DPM (1983)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSolution dynamics of (.mu.-alkyne)Co2(CO)4DPMBrian E. Hanson and Judith S. ManciniCite this: Organometallics 1983, 2, 1, 126–128Publication Date (Print):January 1, 1983Publication History Published online1 May 2002Published inissue 1 January 1983https://pubs.acs.org/doi/10.1021/om00073a023https://doi.org/10.1021/om00073a023research-articleACS PublicationsRequest reuse permissionsArticle Views78Altmetric-Citations25LEARN 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
Breadth of Functional Antibodies Is Associated With Plasmodium falciparum Merozoite Phagocytosis and Protection Against Febrile Malaria (2019)

The development of BPA allowed profiling of functional antibodies in an LCS. Identification of targets of opsonic phagocytosis may have implications in the development of a subunit malaria vaccine.
Inhibiting Glutathione Metabolism in Lung Lining Fluid as a Strategy to Augment Antioxidant Defense (2011)

Glutathione is abundant in the lining fluid that bathes the gas exchange surface of the lung. On the one hand glutathione in this extracellular pool functions in antioxidant defense to protect cells and proteins in the alveolar space from oxidant injury; on the other hand, it functions as a source of cysteine to maintain cellular glutathione and protein synthesis. These seemingly opposing functions are regulated through metabolism by gamma-glutamyl transferase (GGT, EC 2.3.2.2). Even under normal physiologic conditions, lung lining fluid (LLF) contains a concentrated pool of GGT activity exceeding that of whole lung by about 7-fold and indicating increased turnover of glutathione at the epithelial surface of the lung. With oxidant stress LLF GGT activity is amplified even further as glutathione turnover is accelerated to meet the increased demands of cells for cysteine. Mouse models of GGT deficiency confirmed this biological role of LLF GGT activity and revealed the robust expansiveness and antioxidant capacity of the LLF glutathione pool in the absence of metabolism. Acivicin, an irreversible inhibitor of GGT, can be utilized to augment LLF fluid glutathione content in normal mice and novel GGT inhibitors have now been defined that provide advantages over acivicin. Inhibiting LLF GGT activity is a novel strategy to selectively augment the extracellular LLF glutathione pool. The enhanced antioxidant capacity can maintain lung epithelial cell integrity and barrier function under oxidant stress.
Inhibition of Reactive Astrocytes with Fluorocitrate Retards Neurovascular Remodeling and Recovery after Focal Cerebral Ischemia in Mice (2009)

Glial scarring is traditionally thought to be detrimental after stroke. But emerging studies now suggest that reactive astrocytes may also contribute to neurovascular remodeling. Here, we assessed the effects and mechanisms of metabolic inhibition of reactive astrocytes in a mouse model of stroke recovery. Five days after stroke onset, astrocytes were metabolically inhibited with fluorocitrate (FC, 1 nmol). Markers of reactive astrocytes (glial fibrillary acidic protein (GFAP), HMGB1), markers of neurovascular remodeling (CD31, synaptophysin, PSD95), and behavioral outcomes (neuroscore, rotarod latency) were quantified from 1 to 14 days. As expected, focal cerebral ischemia induced significant neurological deficits in mice. But over the course of 14 days after stroke onset, a steady improvement in neuroscore and rotarod latencies were observed as the mice spontaneously recovered. Reactive astrocytes coexpressing GFAP and HMGB1 increased in peri-infarct cortex from 1 to 14 days after cerebral ischemia in parallel with an increase in the neurovascular remodeling markers CD31, synaptophysin, and PSD95. Compared with stroke-only controls, FC-treated mice demonstrated a significant decrease in HMGB1-positive reactive astrocytes and neurovascular remodeling, as well as a corresponding worsening of behavioral recovery. Our results suggest that reactive astrocytes in peri-infarct cortex may promote neurovascular remodeling, and these glial responses may aid functional recovery after stroke.
Impact of soiling on Si and CdTe PV modules: Case study in different Brazil climate zones (2021)

Soiling, particulate accumulation on photovoltaic (PV) module surfaces, reduces the available solar resource and the resulting generated device power. This case-study summarizes initial results of 5-year research on the contrasting soiling conditions in the tropical, subtropical, and semi-arid climates in Brazil. A major objective is to present a case study of the effects of soiling on PV module performance in different Brazil climate zones that represent the primary areas for the current and expanding Brazil solar installations. For this, the paper presents methodologies to quantify the soiling ratio (SRatio) and soiling rate (SRate) for two representative commercial technologies, polycrystalline or multicrystalline silicon (mc-Si) and thin-film cadmium telluride (CdTe) modules, through soiling monitoring stations deployed in the selected climate regions. An aim is to add to the growing soiling-research knowledge base through addressing these key factors and their relationships to critical electrical, solar resource, thermal, and local meteorological and environmental parameters. This paper presents, evaluates, and compares soiling rates and losses in Belo Horizonte, Minas Gerais (Equatorial Tropical: 19.92° S, 43.99° W), Porto Alegre, Rio Grande do Sul (Humid-Subtropical: 30.05° S, 51.17° W), and Brotas de Macaúbas, Bahia (Semi-Arid: 12.00° S, 42.63° W). The results show that soiling is moderate in all 3-regions, for example with 0.1%/day < SRate < 0.2%/day for Belo Horizonte. Precipitation dominates the cleaning of the modules in the summertime in this climate zone, while it is the major factor year-round in Rio Grande do Sul. Wind is the major issue mitigating the soiling accumulation for the Bahia installation. The methodology incorporates several key refinements, including the normalization and adjustment for the meteorological parameters (temperature, irradiance, wind, precipitation). The evaluations include the region-specific differing effects of non-uniform soiling, natural cleaning, and ambient temperatures.
Uso de sistemas basados en escáner 3D para digitalización y estudio del patrimonio arqueológico (2010)

&lt;p&gt;3D scanners are becoming useful tools in many fields like civil engineering, heritage restoration or archaeology. Speed, accuracy and security are several key features of these systems. The data generated by a 3D scanner can be used in many ways: since a simple virtual representation to complex studies of multiple kinds. Nowadays companies like Sacyr know the advantages that these systems offer, an example was the use of a 3D scanner to carry out a virtual construction and a study of the restoration project of the Roman Bridge of Cordoba.&lt;/p&gt;
ChemInform Abstract: A Chiral Synthesis of trans‐Carbapenam‐3‐carboxylic Acid and the Assignment of (3S,5S)‐Configuration to the Corresponding Product from Serratia and Erwinia Species. (1989)

Abstract The oxazolidonepropionic acid (Ia), synthesized from the corresponding (R)‐glutamic acid and paraformaldehyde, is converted into the trans‐alkene (III) by reduction and olefination.
A practical guide for improving transparency and reproducibility in neuroimaging research (2016)

Abstract Recent years have seen an increase in alarming signals regarding the lack of replicability in neuroscience, psychology, and other related fields. To avoid a widespread crisis in neuroimaging research and consequent loss of credibility in the public eye, we need to improve how we do science. This article aims to be a practical guide for researchers at any stage of their careers that will help them make their research more reproducible and transparent while minimizing the additional effort that this might require. The guide covers three major topics in open science (data, code, and publications) and offers practical advice as well as highlighting advantages of adopting more open research practices that go beyond improved transparency and reproducibility.
Graphene Bow-tie Nanoantenna for Wireless Communications in the Terahertz Band (2014)

The interconnection of nanoscale devices (i.e., nanonodes) within a nanonetwork with existing communication networks, as well as the Internet, defines a new networking paradigm, namely the Internet of Nano-Things. Within this context, the definition of a nanonode requires specific features, especially for what concerns novel nanomaterial and components. Graphene-enabled wireless communications is emerging as a novel paradigm, which has been proposed to implement wireless communications among nanosystems. Indeed, graphene-based plasmonic nanoantennas, namely graphennas, are just a few micrometers in size, and are accordingly tuned to radiate electromagnetic waves in the terahertz band. In this work, the important role of the graphene conductivity in the contest of the characteristics of graphene-based nanoantennas is analyzed. Basically, we propose a particular shape for a nanoantenna (i.e., a bow-tie nanoantenna), and we study its radiation performance both in transmission, and reception. The resonance frequency of this kind of antenna is achieved by full-wave simulation. Moreover, the influence of the geometrical parameters is also evaluated. Numerical results will prove useful for designers of future graphene-based antennas, which are estimated to enable wireless communications in nanosystems.
Microscale polymeric helical structures produced by electrospinning (2004)

Microscale helical coils consisting of a composite of one conducting and one nonconducting polymer were produced using electrospinning. The nonconducting polymer was poly(ethylene oxide) and the conducting polymer was poly(aniline sulfonic acid). The coil structures were studied over a range of processing conditions and fiber composition. The data suggest that the helical structures are formed due to viscoelastic contraction upon partial neutralization of the charged fibers. Polymeric microcoils may find applications in microelectromechanical systems, advanced optical components, and drug delivery systems.