gebhart/patrepeval huggingface dataset:
PET microfiber prepared by carbon dioxide laser heating (2003)

Abstract In preliminary experiments to optimize the condition of a laser heating, zone drawing for poly(ethylene terephthalate) (PET) fiber, a microfiber was prepared by a continuous‐wave carbon dioxide (CW CO 2 ) laser heating. CW CO 2 laser heating was carried out at an extremely low applied tension (σ a ) at a higher laser power density (PD) as compared to the optimum condition for the laser heating, zone drawing of PET fiber reported previously. The microfibers were obtained by CO 2 laser heating carried out at a PD of 15.8 W cm −2 and under a σ a of 0.66 MPa or lower. The diameter of the fiber decreased with a decreasing σ a and increasing PD. The smaller the diameter, the higher was its birefringence. The smallest diameter fiber obtained at σ a = 0.17 MPa at PD = 21 W cm −2 had a diameter of 4.5 μm and a birefringence of 0.112, and its draw ratio estimated from the diameter reached 3086 fold. Such a high draw ratio was not previously attained by any drawing method. In a wide‐angle X‐ray diffraction photograph of the smallest diameter fiber, indistinct reflections due to oriented crystallites were observed. An SEM micrograph of the smallest diameter fiber showed a smooth surface without any crack and was uniform in diameter. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 88: 3297–3283, 2003
Bibliometric characterization of colombian dental journals indexed in the second update of 2014 Publindex (2019)

Aim: To characterize the Colombian journals of dentistry indexed in the second update of Publindex 2014 from the bibliometric point of view, to describe the tendencies of the publications in the thematic areas of dentistry. Materials and methods: A descriptive cross-sectional documentary study that carried out a bibliometric analysis of the scientific articles published in seven dental journals (Revista de la Facultad de Odontología de la Universidad de Antioquia, CES Odontología, Universitas Odontologica, Revista Nacional de Odontología, Acta Odontológica Colombiana, Revista Odontos Odontologia Integral y Revista Colombiana de Investigación en Odontología) recognized and categorized in the second update of Publindex 2014. Results: A total of 1587 publications (of which 62% were original articles derived from research) were identified in a A2 category (360), two in B category (636) and four in C category (332). Conclusions: The bibliometric analysis of the eight journals evidences that the Revista de la Facultad de Odontología de la Universidad de Antioquia and the Revista CES Odontología, being the oldest, are the journals that have best adapted to Publindex guidelines, the only journals included in SciELO and the two journals with the highest index h5 –five and seven respectively– of Google Scholar.
LASER SUPPORTED ACTIVATION AND ADDITIVE METALLIZATION OF THERMOPLAS- TICS FOR 3D-MIDS (2001)

The market for 3D-MIDs (three-dimensional Mould-Interco nnect-Devices) within the circuit board industry grows rapidly and has high future potentials. Miniaturization of electrical componentry, design flexibility, a more rational production and the reduction of production steps are the main driving forces behind this development. On this background a new technology, the so-called LPKF-LDS (Laser Direct Structuring) process, has been developed for the manufacturing of 3D-MIDs. The surface of a modified thermoplastic is partially activated by a focussed laser beam. In a following electroless plating process copper, nickel and gold are deposited on the activated areas completing the circuit tracks. In addition to being highly flexible, ultra fine line circuits and very small assemblies are possible using this 3D-MID production technology. This paper describes the process and system technology as well as results achieved.
Control of a 4 leg inverter for standalone photovoltaic systems (2005)

The control of a four leg inverter for standalone photovoltaic systems must provide symmetrical three phase voltages with constant frequency and amplitude. This paper presents a control strategy based on disturbance observer reduced order and disturbance feedforward in the state space. Simulation results for balanced and unbalanced load shows high dynamic and stationary precision of the amplitude and frequency of the output voltage. Experimental results verify the proposed control method.
The incidence of allergy to propolis in 605 consecutive patients patch tested in Prague (1988)

605 consecutive patients were patch tested with the standard CDRG test series and with a 10% alcoholic solution of propolis. Positive allergic reactions to propolis were observed in 25 patients (4.2%); thirteen of them exhibited a simultaneous positive patch test to balsam of Peru. In view of the relatively high incidence of allergic reactions and the appearance of pseudo-cross-sensitivity to another common allergen, balsam of Peru, propolis should not be used in topical medicaments or as a component of cosmetic preparations.
Development of a Series of Aryl Pyrimidine Kynurenine Monooxygenase Inhibitors as Potential Therapeutic Agents for the Treatment of Huntington’s Disease (2015)

We report on the development of a series of pyrimidine carboxylic acids that are potent and selective inhibitors of kynurenine monooxygenase and competitive for kynurenine. We describe the SAR for this novel series and report on their inhibition of KMO activity in biochemical and cellular assays and their selectivity against other kynurenine pathway enzymes. We describe the optimization process that led to the identification of a program lead compound with a suitable ADME/PK profile for therapeutic development. We demonstrate that systemic inhibition of KMO in vivo with this lead compound provides pharmacodynamic evidence for modulation of kynurenine pathway metabolites both in the periphery and in the central nervous system.
The Bearded box, a novel 3′ UTR sequence motif, mediates negative post-transcriptional regulation of <i>Bearded</i> and <i>Enhancer of split</i> Complex gene expression (1997)

During the development of the Drosophila adult peripheral nervous system (PNS), inhibitory cell-cell interactions mediated by the Notch receptor are essential for proper specification of sensory organ cell fates. We have reported previously (M. W. Leviten, E. C. Lai and J. W. Posakony (1997) Development 124, 4039-4051) that the 3' untranslated regions (UTRs) of many genes involved in Notch signalling, including Bearded (Brd) and the genes of the Enhancer of split Complex (E(spl)-C), contain (often in multiple copies) two novel heptanucleotide sequence motifs, the Brd box (AGCTTTA) and the GY box (GTCTTCC). Moreover, the molecular lesion associated with a strong gain-of-function mutant of Brd suggested that the loss of these sequence elements from its 3' UTR might be responsible for the hyperactivity of the mutant gene. We show here that the wild-type Brd 3' UTR confers negative regulatory activity on heterologous transcripts in vivo and that this activity requires its three Brd box elements and, to a lesser extent, its GY box. We find that Brd box-mediated regulation decreases both transcript and protein levels, and our results suggest that deadenylation or inhibition of polyadenylation is a component of this regulation. Though Brd and the E(spl)-C genes are expressed in spatially restricted patterns in both embryos and imaginal discs, we find that the regulatory activity that functions through the Brd box is both temporally and spatially general. A Brd genomic DNA transgene with specific mutations in its Brd and GY boxes exhibits hypermorphic activity that results in characteristic defects in PNS development, demonstrating that Brd is normally regulated by these motifs. Finally, we show that Brd boxes and GY boxes in the E(spl)m4 gene are specifically conserved between two distantly related Drosophila species, strongly suggesting that E(spl)-C genes are regulated by these elements as well.
Subtle Variations in Surface Properties of Black Silicon Surfaces Influence the Degree of Bactericidal Efficiency (2018)

One of the major challenges faced by the biomedical industry is the development of robust synthetic surfaces that can resist bacterial colonization. Much inspiration has been drawn recently from naturally occurring mechano-bactericidal surfaces such as the wings of cicada (<i>Psaltoda claripennis</i>) and dragonfly (<i>Diplacodes bipunctata</i>) species in fabricating their synthetic analogs. However, the bactericidal activity of nanostructured surfaces is observed in a particular range of parameters reflecting the geometry of nanostructures and surface wettability. Here, several of the nanometer-scale characteristics of black silicon (bSi) surfaces including the density and height of the nanopillars that have the potential to influence the bactericidal efficiency of these nanostructured surfaces have been investigated. The results provide important evidence that minor variations in the nanoarchitecture of substrata can substantially alter their performance as bactericidal surfaces.
Differentiation-related expression of a major 64K corneal keratin in vivo and in culture suggests limbal location of corneal epithelial stem cells. (1986)

In this paper we present keratin expression data that lend strong support to a model of corneal epithelial maturation in which the stem cells are located in the limbus, the transitional zone between cornea and conjunctiva. Using a new monoclonal antibody, AE5, which is highly specific for a 64,000-mol-wt corneal keratin, designated RK3, we demonstrate that this keratin is localized in all cell layers of rabbit corneal epithelium, but only in the suprabasal layers of the limbal epithelium. Analysis of cultured corneal keratinocytes showed that they express sequentially three major keratin pairs. Early cultures consisting of a monolayer of "basal" cells express mainly the 50/58K keratins, exponentially growing cells synthesize additional 48/56K keratins, and postconfluent, heavily stratified cultures begin to express the 55/64K corneal keratins. Cell separation experiments showed that basal cells isolated from postconfluent cultures contain predominantly the 50/58K pair, whereas suprabasal cells contain additional 55/64K and 48/56K pairs. Basal cells of the older, postconfluent cultures, however, can become AE5 positive, indicating that suprabasal location is not a prerequisite for the expression of the 64K keratin. Taken together, these results suggest that the acidic 55K and basic 64K keratins represent markers for an advanced stage of corneal epithelial differentiation. The fact that epithelial basal cells of central cornea but not those of the limbus possess the 64K keratin therefore indicates that corneal basal cells are in a more differentiated state than limbal basal cells. These findings, coupled with the known centripetal migration of corneal epithelial cells, strongly suggest that corneal epithelial stem cells are located in the limbus, and that corneal basal cells correspond to "transient amplifying cells" in the scheme of "stem cells----transient amplifying cells----terminally differentiated cells."
Relationship between speed and risk of fatal injury: pedestrians and car occupants (2010)

Comparing the risk of fatality for a seat-belted driver in a frontal impact with a side impact shows that the risk of fatality is much higher in a side impact than in a frontal impact with the same change of velocity.
Estimating the number of endmembers from hyperspectral image using noncentral chi-squared distribution model (2016)

In this paper, a statistical method of estimating the number of endmembers from hyperspectral images is proposed. A noncentra chi-squared distribution model is applied to calculate this number. Endmembers are important parameters in many hyperspectral detection algorithms based on Linear Mixture Model(LMM). The number of endmenbers is the only preset parameter and needed in some anomaly detectors. However, this number is hard to estimate because it has a relationship with the complexity of the scene of images. In this paper, we use a noncentral chi-squared distribution to approximate the projected image of subspace based on anomaly detectors, and estimate the number of endmembers by calculating the degrees of freedom. Firstly, the statistical model of the projected multivariate data is analysed, and a noncentral chi-squared distribution is deduced. Then, the parameter calculation and endmember number estimation are introduced respectively. At last, the aerial hyperspectral images are used to verify the effectiveness of the proposed method.
Uso de diferentes equações para identificação e classificação da gordura corporal de crianças e adolescentes (2014)

Slaughter and Deurenberg's equations had little agreement in terms of fat percentage values they gave differing results at all body fat levels.
An Efficient Bandit Algorithm for Realtime Multivariate Optimization (2017)

Optimization is commonly employed to determine the content of web pages, such as to maximize conversions on landing pages or click-through rates on search engine result pages. Often the layout of these pages can be decoupled into several separate decisions. For example, the composition of a landing page may involve deciding which image to show, which wording to use, what color background to display, etc. Such optimization is a combinatorial problem over an exponentially large decision space. Randomized experiments do not scale well to this setting, and therefore, in practice, one is typically limited to optimizing a single aspect of a web page at a time. This represents a missed opportunity in both the speed of experimentation and the exploitation of possible interactions between layout decisions
A dual activation and inhibition role for the paired immunoglobulin-like receptor B in eosinophils (2008)

The accumulation of eosinophils in inflammatory foci is a hallmark characteristic of Th2 inflammation. Nevertheless, the expression of inhibitory receptors such as paired immunoglobulin-like receptor B (PIR-B) and their function regulating eosinophil accumulation have received limited attention. We now report that Pirb was up-regulated in an eosinophil-dependent manner in the lungs of allergen-challenged and interleukin (IL)-13-overexpressing mice. Eosinophils expressed high levels of PIR-B, and Pirb(-/-) mice displayed increased gastrointestinal eosinophils. Consistent with these findings, PIR-B negatively regulated eotaxin-dependent eosinophil chemotaxis in vivo and in vitro. Surprisingly, Pirb(-/-) eosinophils and neutrophils had decreased leukotriene B4 (LTB(4))-dependent chemotactic responses in vitro. Furthermore, eosinophil accumulation was decreased in a chitin-induced model, partially dependent on LTB(4). Mechanistic analysis using a miniphosphoproteomic approach revealed that PIR-B recruits activating kinases after LTB(4) but not eotaxin stimulation. Consequently, eotaxin-activated Pirb(-/-) eosinophils displayed markedly increased extracellular signal-related kinase 1 and 2 (ERK1/2) phosphorylation, whereas LTB(4)-activated eosinophils had reduced ERK1/2 phosphorylation. We provide multiple lines of evidence supporting a model in which PIR-B displays opposing but potent regulatory functions in granulocyte activation. These data change the conventional wisdom that inhibitory receptors are restricted to inhibitory signals; we therefore propose that a single receptor can have dual functionality in distinct cell types after unique cellular signals.
MobilityGraphs: Visual Analysis of Mass Mobility Dynamics via Spatio-Temporal Graphs and Clustering (2015)

Learning more about people mobility is an important task for official decision makers and urban planners. Mobility data sets characterize the variation of the presence of people in different places over time as well as movements (or flows) of people between the places. The analysis of mobility data is challenging due to the need to analyze and compare spatial situations (i.e., presence and flows of people at certain time moments) and to gain an understanding of the spatio-temporal changes (variations of situations over time). Traditional flow visualizations usually fail due to massive clutter. Modern approaches offer limited support for investigating the complex variation of the movements over longer time periods.
Influence of Oil Content in Paraffins on the Behavior of Wax Emulsions: Wetting and Rheology (2006)

For decades, paraffin emulsion has been used in chipboard panel manufacturing for the purpose of making it both water and damp proof. A most important variable when assessing the effectiveness of the emulsion as a water‐resistant agent in the panel is the oil content of the paraffin. Although this aspect has been dealt with from the manufacturing (Carll, 1996 Carll, Ch. G. 1996. “Review of Thickness Swell in Hardboard Siding: Effect of processing variables”. Madison, Wisc.: U. S. Department of Agriculture; Forest Services, Forest Products Laboratory. FPL‐GTR‐96 [Google Scholar]) approach, there is scarcely any literature that relates the oil content in paraffin to chipboard panel waterproofing or to the stability of the emulsion. In this article the influence that oil content exerts on waterproofing capacity is determined using the ADSA technique by studying the water‐vapor‐solid interface in a wood substrate coated in paraffin with a drop of water placed on top. Thus, the water‐resistant capacity of a chipboard panel is related to the paraffin oil content in the emulsion. Furthermore, in this article, paraffin oil content is also related to the emulsion stability through its rheological behavior in both the fluid and dynamic patterns.
Factors affecting interface-state density and stress of silicon nitride films deposited on Si by electron-cyclotron resonance chemical vapor deposition (1998)

The physical and electrical properties of nitrogen-rich silicon nitride films deposited by electron-cyclotron resonance chemical vapor deposition with silane and molecular nitrogen have been investigated for pressures below 0.4 Pa. No Si–Si bonding or oxygen has been observed in the nitride films by Auger spectroscopy, and no SiH or NH2 groups have been observed by Fourier transform infrared spectroscopy, showing that the films have the composition SiNy−z(NH)z. As the pressure was decreased by lowering the nitrogen flow, the stress in the films became more compressive while the amount of N–H bonding in the films increased. The electron temperature determined by Langmuir probe measurements increased at lower pressures as the plasma made a transition from overdense to underdense. Despite the increasing stress, electron temperature and NH concentration, capacitance–voltage (C–V) analysis of metal-nitride-Si〈100〉 diodes showed that the SiN/Si interface improved with decreasing pressure. Using Al gates and 5 Ω cm p-type Si〈100〉 substrates an interface state density of 5×1010 eV−1 cm−2 was determined by the high-low frequency C–V measurement method for 30 nm thick films deposited at a substrate temperature of 300 °C and the lowest pressure of 0.055 Pa. Bulk conduction by the Frenkel–Poole mechanism dominated the current–voltage characteristics for negative gate potentials and breakdown voltages &gt;9 MV/cm were obtained at this pressure. In situ single-wavelength ellipsometry showed that the interface is formed predominantly by nitridation of the Si substrate, and thus its high quality must be attributed to this nitridation rather than the chemical vapor deposition process. The results are discussed in terms of recent models for defects at the SiN/Si interface.
DataX: an approach to ubiquitous database access (1999)

The paper describes an approach for enabling remote database access from heterogeneous thin clients. DataX is a proxy based architecture that supports disconnected operation by replicating a subset of the database on the mobile client, using a weak consistency criterion. It adapts data replication to device characteristics, link attributes and user preferences. It employs a per-device renderer to present data in a form layout, making the application logic separate from user interface logic and independent of the device type. It offers small footprint of client-side software, rapid development of end-to-end solutions, and portability across multiple server platforms.
Circulating Osteogenic Precursor Cells in Type 2 Diabetes Mellitus (2012)

Circulating OCN(+) cells were decreased in T2D, whereas OCN(+)/CD146(+) cells were increased. Histomorphometric indices of bone formation were decreased in T2D, as was molecular expression of osteoblastic activity. Stimulation of bone formation may have beneficial therapeutic skeletal consequences in T2D.
Advantages of using 3D virtual reality based training in persons with Parkinson’s disease: a parallel study (2019)

The small scale randomized pilot study has been registered at ClinicalTrials.gov Identifier: NCT03515746 , 4 May 2018.
ARMA Processing for Ultrasonic Reconstructive Imaging (1982)

In this paper we describe some new results for ultrasonic reconstructive imaging based on the use of ARMA modeling for multiple-sensor systems operating in the reflection mode. Specifically, we report that it is possible through ARMA modeling to interpolate between detectors in a sparse array and thus cope with the aliasing problem. Similarly, modeling the image reconstruction process by an ARMA model--which is equivalent to extrapolating the effective size of the receiving aperture--greatly increases the angular resolution. sing methodology with the multi-frequency approach, we obtain a super resolution 3D ultra
Task tours (2012)

Complex search tasks such as planning a vacation often comprise multiple queries and may span a number of search sessions. When engaged in such tasks, users may require holistic support in determining the required task activities. Unfortunately, current search engines do not offer such support to their users. In this paper, we propose methods to automatically generate task tours comprising a starting task and a set of relevant related tasks, some or all of which may be necessary to satisfy a user's information needs. Applications of the tours include helping users understand the required steps to complete a task, finding URLs related to the active task, and alerting users to activities they may have missed. We demonstrate through experimentation with human judges and large-scale search logs that our tours are of good quality and can benefit a significant fraction of search engine users.
Pharmacologic Advantages of Antiepileptic Drug Monotherapy (1997)

Summary Despite recent trends in re‐evaluating the effects of antiepileptic drug (AED) combinations, monotherapy remains the mainstay for treatment of epilepsy. Most patients with newly diagnosed epilepsy can become seizure‐free with administration of an appropriately selected AED, and a significant proportion (20–40%) of those refractory to initial treatment may respond after changing to monotherapy with an alternative AED. Monotherapy is also superior to polytherapy in terms of safety and tolerability. The incidence and severity of side effects increase in proportion to the number of AEDs received by the patient. In patients receiving monotherapy, dosage can be more easily optimized because the effects of individual AEDs can be evaluated separately. Additional advantages of monotherapy include lower treatment costs, simpler dosing schedule (expected to maximize compliance), and avoidance of adverse AED interactions. Admittedly, there are patients who may respond better to AED combinations, but the number is relatively small and, in some cases, the improvement in seizure control produced by an added AED may be more than offset by an excessive burden of side effects.