gebhart/patrepeval huggingface dataset:
Low noise broadband tellurite-based Er 3+ -dopedfibre amplifiers (1998)

The authors have succeeded in fabricating low-loss tellurite-based Er3+-doped fibre for low noise 1.5 µm broadband EDFAs by developing high-purity TeO2 as a raw material. The background loss of the fibre is reduced to 0.054 dB/m at 1200 nm. A 20 dB signal bandwidth of 83 nm from 1528 to 1611 nm, and a low flat noise figure of &lt; 6.5 dB from 1539 to 1624 nm can be obtained for a tellurite-based EDFA using the low-loss fibre.
Remote Detection of Organochlorides With a Fiber Optic Based Sensor (1986)

ABSTRACT Optical fibers, analytical chemistry, and fluorescence spectroscopy have been integrated to form the new technology of remote fiber fluorimetry. Among the many potential applications of this technology is the measurement of volatile organochlorides in ground water and in the vadose zone. The key to this application was the development of a fiber optic chemical sensor (FOCS) with sub-ppm sensitivity for, at least, chloroform and trichlorethylene (TCE). We present here the concept and instrumentation of remote fiber fluorimetry, the design and laboratory evaluation of an organochloride FOCS, and preliminary field results of the application of the FOCS to contaminated well water.
Progressive image transmission using adaptive multistage vector quantization (2002)

A new technique based on adaptive multistage vector quantization (MSVQ) using variable block sizes is proposed for progressive image transmission. The authors employ larger block sizes in the low bit rate range and the block size is gradually decreased when the bit rate is increased. Variable block size is achieved by segmenting from the largest selected block size with a quadtree data structure. The adaptive encoding scheme is also applied to increase the compression efficiency by allocating variable bit rates according to the information detail of each vector block. Classification of blocks with different information detail is achieved by recursively identifying each of the blocks into edge or shade blocks in each stage in order to obtain different classes. Experimental results shows that adaptive MSVQ achieves an excellent reconstructed image quality at rates between 0.15 and 1.0 bpp (bits per pixel).< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>
Multiple hematopoietic defects and delayed globin switching in Ikaros null mice (2002)

We have previously reported the structure of a chromatin remodeling complex (PYR complex) with Ikaros as its DNA binding subunit that is specifically present in adult murine and human hematopoietic cells. We now show that homozygous Ikaros "knockout" (null) mice lack the PYR complex, demonstrating the requirement for Ikaros in the formation of the complex on DNA. Heterozygous Ikaros null mice have about half as much PYR complex, indicating a dosage effect for both Ikaros and PYR complex. We also show that Ikaros null mice have multiple hematopoietic cell defects including anemia and megakaryocytic abnormalities, in addition to previously reported lymphoid and stem cell defects. The null mice also have a delay in murine embryonic to adult beta-globin switching and a delay in human gamma to beta switching, consistent with a previously suggested role for PYR complex in this process. Lastly, cDNA array analyses indicate that several hematopoietic cell-specific genes in all blood lineages are either up- or down-regulated in 14-day embryos from Ikaros null as compared with wild-type mice. These results indicate that Ikaros and PYR complex function together in vivo at many adult hematopoietic cell-specific genes and at intergenic sites, affecting their expression and leading to pleiotropic hematopoietic defects.
Bcl-x Promotes the Open Configuration of the Voltage-dependent Anion Channel and Metabolite Passage through the Outer Mitochondrial Membrane (2001)

The diffusion of metabolites across the outer mitochondrial membrane is essential for coupled cellular respiration. The outer membrane of mitochondria isolated from growth factor-deprived cells is impaired in its ability to exchange metabolic anions. When added to mitochondria, recombinant Bcl-x(L) restores metabolite exchange across the outer membrane without inducing the loss of cytochrome c from the intermembrane space. Restoration of outer membrane permeability to anionic metabolites does not occur directly through Bcl-x(L) ion channels. Instead, recombinant Bcl-x(L) maintains the outer mitochondrial membrane channel, VDAC, in an open configuration. Consistent with these findings, when ADP-induced oxidative phosphorylation is limited by exogenous beta-NADH, recombinant Bcl-x(L) can sustain outer mitochondrial membrane permeability to ADP. beta-NADH limits respiration by promoting the closed configuration of VDAC. Together these results demonstrate that following an apoptotic signal, Bcl-x(L) can maintain metabolite exchange across the outer mitochondrial membrane by inhibiting VDAC closure.
Dynamic body tilt in internuclear ophthalmoplegia and one-and-a-half syndrome (2004)

We report five patients presenting acutely because of diplopia and lateropulsion. Four had internuclear ophthalmoplegia and the fifth, one-and-a-half syndrome. In addition, they presented with a peculiar sign, called lateropulsion, which is a slow falling down to the side in a roll plane when sitting, standing, or walking. All five patients were adults, the first three having a history of multiple vascular risk factors. Brain CT showed a mesencephalic infarct in one patient and no pathology in the rest. Brain MRI in one patient did not show any lesion in the pontomesencephalic area. Clinically, the neuro-ophthalmological constellation of these patients pointed to tegmental medial pontomesencephalic lesions, which were associated with a dynamic lateral body tilt accompanying the oculomotor signs. In all five patients, the body tilt was contralateral (contraversive) to the clinical brainstem lesion. Their recovery was good in the short term, with improvement in the body tilt and eye movements. We suggest that body tilt in the lateral (coronal) plane could be due to a graviceptive dysfunction, occurring in the medial longitudinal fasciculus or in its surrounding structures. The body tilt observed in these patients is phenomenologically identical to that observed in acute unilateral peripheral vestibulopathy.
Laparoscopic retro‐ileal pull‐through technique for coloanal anastomosis– a video vignette (2023)

No relevant conflicts of interest reported. Dr Wexner reports receiving consulting fees from ARC/Corvus, Astellas, Baxter, Becton Dickinson, GI Supply, ICON Language Services, Intuitive Surgical, Leading BioSciences, Livsmed, Medtronic, Olympus Surgical, Stryker, Takeda and receiving royalties from Intuitive Surgical, Karl Storz Endoscopy America Inc, Medtronic, Unique Surgical Innovations LLC. Data available upon request. Video S1 Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Detection and imaging of small buried 3D non-metallic objects with multistatic phase-based GPR signatures (2003)

In this paper the bistatic and monostatic phase-based ground-penetrating radar (GPR) technique for ingenious detection of poor-contrast scattering objects hidden just beneath the air-ground interface is discussed. This technique neither requires a priori knowledge about the background medium nor needs any pure background measurement. It was developed to deal with one of the worst-case scenarios in terms of landmine detection. The method was tested with the data measured from the L-band and S-band stepped-frequency continuous-wave GPR over the compound soil where small non-metallic mines are shallowly buried. The results demonstrate that it is feasible to detect small buried poor-contrast objects by using coherent phase processing and imaging.
Planning and delivery of intensity modulated bolus electron conformal therapy (2021)

These results demonstrated the feasibility of translating IM-BECT to the clinic using the techniques presented for treatment planning, intensity modulator design and fabrication, and quality assurance processes.
An AspectJ Approach for Reusable Infrastructure Components (2010)

Aspect-orientation handles crosscutting concerns in an adequate manner. It also promises a high potential for reuse due to a higher level of modularization since crosscutting concerns can better be modularized in aspects. This paper confirms higher reuse by presenting an AspectJ-based reuse approach. A collection of reusable aspects, e.g., for issues in concurrent programming, is presented. Moreover, an adequate Eclipse-based infrastructure is proposed that allows programmers to use those aspects easily within Eclipse. In particular, manual actions for configuration, management of dependencies, and weaving are eliminated. Using an Eclipse plug-in, aspects can simply be selected from an aspect repository, a corresponding JAR is downloaded from the repository, included and woven into the project.
Introduction of human genomic sequences renders CHO-K1 cells susceptible to infection by amphotropic retroviruses (1993)

To learn more about the nature of the block to infection by amphotropic retroviruses exhibited by Chinese hamster cells (CHO-K1), CHO-K1 cells were made susceptible to amphotropic retrovirus infection by introducing genomic DNA from infectable human cells. A clone, designated CHO18, was obtained and shown to be infected as efficiently as NIH 3T3 fibroblasts. Susceptibility of CHO18 cells to infection was specific to retroviruses and vectors bearing an amphotropic envelope. By comparison to CHO-K1 cells, CHO18 cells may provide a useful model for analysis of the molecular events involved in the retrovirus-receptor interaction.
ChemInform Abstract: Utility of Glycosyl Phosphites as Glycosyl Donors ‐ Fructofuranosyl and 2‐Deoxyhexopyranosyl Phosphites in Glycoside Bond Formation. (1994)

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.
Examination of Diffusion Process for High-speed Avalanche Photodiode Fabrication (2000)

The characterization of zinc diffusion processes applied for high-speed avalanche photodiodes has been examined. The different diffusion process conditions for InP test structures were explored. The zinc diffusion profiles, such as the diffusion depth and the zinc dopant concentration, were examined using secondary ion mass spectrometry with varying the process variables and material parameters. It is observed that the diffusion profiles are severly impacted on the process parameters, such as the amount of ZnP source and the diffusion time, as well as material parameters, such as doping concentration of diffusion layer. These results can be utilized for the high-speed avalanche photodiode fabrication.
The simulation of ultrasonic imaging in the case of the objects with a complex geometry (2001)

The main objective of the ultrasonic non-destructive testing (NDT) applications is to detect dangerous defects in the various constructions. The parameters and geometry of defects is very important information determining lifetime of constructions or components. In conventional ultrasonic NDT methods, based on the measurement of the amplitude and delay time of reflected signal are used. Such an approach enables evaluate size and position of defects only approximately. Most accurate is time – of the flight diffraction (TOFD) technique, which allows measuring depth of defects. Additional application of the SAFT or tomographic algorithms enables to increase accuracy even more [1,2,3]. Nevertheless, practical applications of these methods usually are complicated due to a lack of a sufficiently accurate information about ultrasound propagation conditions, such as the propagation velocity, angle, wave fronts and etc. Additional problem arises due to the fact that basic algorithms of these techniques are developed for the direct reflections only [1,2,3]. On the other hand, due to the object geometry or limited access very widely the signals reflected from the bottom or mode conversion signals are used. The successful application of all these signals in tomographic processing may increase the accuracy essentially. The development of such algorithms using only experimental data is very complicated because it is impossible to determine sensitivity of the technique to the uncertainty of the input parameters. This problem can be solved developing special method and software that enables to simulate NDT data acquisition process, taking into account material parameters, transducer characteristics, diffraction and refraction phenomena. Such models are used in other institutions like CEA (France), BAM (German) and others. Usually they are based on complicated numerical approach, which requires essential computer resources [4,5,6]. The objectives of this work was to develop relatively fast NDT simulation model, which enables to take into account not only direct reflection from defects, but specular reflection from object boundaries also. This task may be divided in some parts:
Proceedings of the third workshop on Searching spontaneous conversational speech (2009)

Multimedia content often contains spoken audio as a key component. Although speech is generally acknowledged as the quintessential carrier of semantic information, speech tracks are often ignored or not fully exploited by multimedia retrieval systems. In particular, the potential of speech technology to improve information access has not yet been successfully extended beyond multimedia content containing planned speech, such as broadcast news. The Searching Spontaneous Conversational Speech (SSCS) workshop series is dedicated to providing a forum for speech retrieval research as it expands into spoken content domains involving spontaneously-produced, non-scripted, less-highly conventionalized, conversational speech characterized by wide variability of speaking styles and recording conditions. SSCS workshops aim to foster the development of robust, scalable, affordable approaches for accessing multimedia collections with a spoken component and to encourage sustained collaboration of researchers in the areas of speech recognition, audio processing, multimedia analysis and information retrieval.

The papers and demonstrations presented at SSCS 2009 report on research being carried out on techniques for information access in the domains of broadcast, meetings, interviews, telephone conversations, podcasts and speech tagging. A wide range of approaches are investigated, including using subword units, exploiting dialogue structure, fusing retrieval models, modeling topics and integrating visual features.
25: Growth of High Proliferative Potential Endothelial Colony Forming Cells from Umbilical Cord Blood (2007)

Adult peripheral blood has long been known to contain circulating endothelial cells. Since 1997, umbilical cord blood has been known to contain a population of circulating cells that serve as progenitors for the endothelial lineage (EPCs). We have determined that a rare population of cells in the umbilical cord blood emerges upon in vitro culture that displays clonal colony forming ability. These endothelial colony forming cells (ECFCs) are present in adult peripheral blood as well, though vastly enriched in term and preterm cord blood. ECFC display a hierarchy of proliferative potential. Cells with the highest proliferative potential (HPP) can replate into secondary and tertiary high proliferative potential ECFC, but also give rise to low proliferative potential (do not self-renew), endothelial clusters, and non-dividing mature endothelial cells. HPP-ECFC display significantly greater telomerase activity than cells with lower proliferative potential. Cord blood ECFC are capable of forming human vessels when implanted into NOD/SCID mice and inosculate with murine vessels to participate in murine systemic blood flow. While CD34+CD45+ cells are enriched in hematopoietic colony forming cell activity, only CD34+CD45- cells give rise to ECFC in vitro. Recent studies indicate that ECFC can be derived from umbilical arterial and venous endothelial cells as well as endothelium from several other vascular sites. Thus, umbilical cord blood and blood vessels may be sources of cells that can be used for vascular regeneration.
What is the Difference between the Response of Grass Pea (Lathyrus sativus L.) to Salinity and Drought Stress?—A Physiological Study (2020)

Understanding the mechanisms of plant tolerance to osmotic and chemical stress is fundamental to maintaining high crop productivity. Soil drought often occurs in combination with physiological drought, which causes chemical stress due to high concentrations of ions. Hence, it is often assumed that the acclimatization of plants to salinity and drought follows the same mechanisms. Grass pea (Lathyrus sativus L.) is a legume plant with extraordinary tolerance to severe drought and moderate salinity. The aim of the presented study was to compare acclimatization strategies of grass pea seedlings to osmotic (PEG) and chemical (NaCl) stress on a physiological level. Concentrations of NaCl and PEG were adjusted to create an osmotic potential of a medium at the level of 0.0, −0.45 and −0.65 MPa. The seedlings on the media with PEG were much smaller than those growing in the presence of NaCl, but had a significantly higher content percentage of dry weight. Moreover, the stressors triggered different accumulation patterns of phenolic compounds, soluble and insoluble sugars, proline and β-N-oxalyl-L-α,β-diamino propionic acid, as well as peroxidase and catalase activity. Our results showed that drought stress induced a resistance mechanism consisting of growth rate limitation in favor of osmotic adjustment, while salinity stress induced primarily the mechanisms of efficient compartmentation of harmful ions in the roots and shoots. Furthermore, our results indicated that grass pea plants differed in their response to drought and salinity from the very beginning of stress occurrence.
A novel motion estimation algorithm using phase plane correlation for frame rate conversion (2003)

Frame rate conversion is an important application in video processing. It allows the application to perform processes such as slow motion, standard conversion and display conversion. The ability to perform high quality interpolation would improve the quality of all these processes. The requirement for accurate motion vectors is extremely important for the interpolator. The phase plane correlation approach achieves this with far less operation count than different block matching algorithms. Two approaches have been discussed to find accurate motion vectors as well as the application in interpolation of intermediate frames. In the first approach, hierarchical block matching (HBM) with smoothness constraint is used to find robust motion vectors for interpolation of spatio-temporal filters. In the second approach, the motion vector from phase plane correlation (PPC) method is used that assigns multiple motion vectors to a block thus achieving the result of object based approaches with much fewer operation counts.
ARS-Interacting Multi-Functional Protein 1 Induces Proliferation of Human Bone Marrow-Derived Mesenchymal Stem Cells by Accumulation of β-Catenin via Fibroblast Growth Factor Receptor 2-Mediated Activation of Akt (2013)

ARS-Interacting Multi-functional Protein 1 (AIMP1) is a cytokine that is involved in the regulation of angiogenesis, immune activation, and fibroblast proliferation. In this study, fibroblast growth factor receptor 2 (FGFR2) was isolated as a binding partner of AIMP peptide (amino acids 6-46) in affinity purification using human bone marrow-derived mesenchymal stem cells (BMMSCs). AIMP1 peptide induced the proliferation of adult BMMSCs by activating Akt, inhibiting glycogen synthase kinase-3β, and thereby increasing the level of β-catenin. In addition, AIMP1 peptide induced the translocation of β-catenin to the nucleus and increased the transcription of c-myc and cyclin D1 by activating the β-catenin/T-cell factor (TCF) complex. By contrast, transfection of dominant negative TCF abolished the effect of AIMP1. The inhibition of Akt, using LY294002, abolished the accumulation and nuclear translocation of β-catenin induced by AIMP1, leading to a decrease in c-myc and cyclin D1 expression, which decreased the proliferation of BMMSCs. An intraperitoneal injection of AIMP1 peptide into C57/BL6 mice increased the colony formation of fibroblast-like cells. Fluorescence activated cell sorting analysis showed that the colony-forming cells were CD29(+)/CD44(+)/CD90(+)/CD105(+)/CD34(-)/CD45(-), which is characteristic of MSCs. In addition, the fibroblast-like cells differentiated into adipocytes, chondrocytes, and osteocytes. Taken together, these data suggest that AIMP1 peptide promotes the proliferation of BMMSCs by activating the β-catenin/TCF complex via FGFR2-mediated activation of Akt, which leads to an increase in MSCs in peripheral blood.
A CASE STUDY OF DESIGN FOR AFFORDANCE: AFFORDANCE FEATURES OF A SIMPLE MEDICAL DEVICE (2011)

People interact with artifacts, either products or services, in their lives. These interactions are based on two-way communication between people and artifacts. The characteristics of artifacts that induce natural activities of people, affordances, play critical roles in making interactions successful and meaningful. Affordance features are the structural elements of artifacts that provide affordances. In this paper, affordance features of a simple medical device are thoroughly studied. A task model has been developed based on the usage of a medical expert, and observation of activities of normal users has been conducted. Based on the structural elements of the device identified by state changes in user activity observation, affordance features have been identified. Then these features have been compared with functional features designed to provide the functions of the device. In this way, affordance features particularly designed to provide information- centered affordances were identified together with corresponding functional features.
Temperature effect on the heavy-ion induced Single-Event Transients propagation on a CMOS Bulk 0.18 &#x00B5;m inverters chain (2007)

In this paper, a study by device simulation of the heavy-ion induced Single-Event Transients (SET) is realized in the 218-418 K range in order to determine the temperature effect on a CMOS bulk 0.18 mum inverter. An investigation of the SET propagation though a 10-inverters logic chain is performed, and the threshold LET (LETth) required for unattenuated propagation through the inverters chain is determined. The LETth is calculated for two different location of the heavy ion impact and for three temperatures. An increase of the sensitivity is found when the temperature raise from 218 to 418 K.