gebhart/patrepeval huggingface dataset:
Area Power Consumption in a Single Cell Assisted by Relays (2010)

Green radio attracts a lot of attention due to global climate change. Compared with the traditional cellular systems in which the area spectral efficiency is the system performance metric, the green cellular systems should take both system energy consumption and system spectral efficiency as the system performance metric. The area power consumption is considered as the system energy consumption metric in this paper and the area power consumption given a target area spectral efficiency is analyzed in a single cell assisted by circularly located relays. We introduce a novel power model of the relay assisted systems at first. And then, the power consumption in the single cell assisted by relays is discussed. The direct transmission and two-hop transmission schemes are introduced at first and then an energy efficient mode switching scheme based on the different user's location is proposed. The area power consumption of the three schemes is derived. Finally, the effect of different system parameters such as cell radius, relay position, relay number and area spectral efficiency to the area power consumption is discussed.
Acetyl-coA synthetase 2 promotes acetate utilization and maintains cell growth under metabolic stress (2014)

During tumour formation and expansion, cancer cells encounter constantly changing environmental conditions in which nutrient and oxygen availability may be severely compromised. The metabolic transformation of cancer cells is characterised by distinct changes in metabolic activity that satisfy the exigencies of energy and biomass production imposed by continued cell proliferation. These metabolic adaptations often involve increased consumption and metabolism of extracellular nutrients, mainly glucose, amino acids and lipids. During periods of nutrient or oxygen deprivation, cancer cells can also modify their metabolism to adapt to these specific challenges. Here we report the results of a functional genomics study that revealed that the activity of acetyl-coA synthetase 2, an enzyme that converts acetate into acetyl-coA, contributes to cellular growth under oxygen and nutrient stressed conditions. ACSS2 was required to provide acetyl groups for lipid biosynthesis. Moreover, ACSS2 was essential for cancer cell growth and survival under physiologically relevant growth conditions and its depletion blocked tumour growth in vivo. In summary, our data demonstrate a previously unappreciated role for acetate as a nutritional source for the growth and survival of breast and prostate cancer cells under metabolic stress.
BACTERIOPHAGE ACTIVITY ON PAPER SURFACE: EFFECT OF PAPER MOISTURE (2009)

Detection and disabling of pathogens such as E.coli, Listeria, and Salmonella is of great importance to control diseases apparition and to ensure the environmental integrity of air, water and food. Due to their flexibility, low cost and ease of fabrication, papers and non- wovens are ideal substrates to support bio-chemical sensors. In this work, we show that an E.coli bacteria bio-sensor can be made by immobilizing bacteriophage on paper surface. In particular, we demonstrate bacteriophage bioactivity dependence on paper moisture content during the use of bio-active paper and show that bioactivity is lost at typically 5% paper moisture content. We also show that bacteriophages are biologically reactivated after paper rewetting, a promising result in light of wet use application of bioactive paper.
Seismic wave attenuation in metamorphic rocks from VSP data recorded in Germany's continental super-deep borehole (1998)

Abstract Vertical seismic profiling (VSP) data recorded in the German continental deep borehole (KTB) between 3 and 6 km have been used to study the attenuation of P-waves. A vibrator source was used to generate the data. In this depth range, the lithology is dominated by a metabasite unit (amphibolite and metagabbro) with various degrees of alteration, intercalated with paragneisses. The method used to determine attenuation is based on the fit of a straight line to the logarithm of amplitude ratios for variable depth and fixed frequency. Inspection of the corresponding attenuation curves showed sharp discontinuities, which correlate with changes in the seismic source (mostly related to changes in location), as recorded by a nearby monitor geophone. To avoid the uncertainties introduced by these changes, the analysis was restricted to a depth interval (3576-4538 m) for which the source was not moved. Even in this case, however, the monitor traces showed significant variations in their frequency content, although not much variation in their peak time-domain amplitudes. To account for these variations, the attenuation coefficients obtained for the actual data were corrected for source variations by subtraction of the attenuation coefficients determined from the analysis of synthetic VSP data computed using source wavelets extracted from the monitor traces. After these corrections, the values of Q for frequencies between 7.8 and 46.9 Hz are between 14 and 32. These values are quite low, and may be related to the presence of fluids known to exist in the depth range under consideration, although scattering processes may also contribute to the high attenuation. The variation of Q with frequency may be the result of processing artifacts.
Mechanisms of desmosome assembly and disassembly (2002)

In skin, desmosomes constitute critical adhesion complexes between adjacent keratinocytes that help maintain an intact epidermis. However, individual keratinocytes need to migrate and differentiate and therefore desmosomes must have an inherent dynamic capacity to assemble and disassemble. This review highlights the role of the different structural junctional components involved in desmosome formation and turnover, as well as the possible signalling processes and pathways that may be implicated in desmosome homeostasis. Clues to the intricate nature of desmosome assembly and disassembly have been derived from human inherited and acquired blistering skin diseases as well as animal models and basic cell biology studies. The key implications for understanding desmosome dynamics from these findings are summarized in this review.
Detection and identification of bacterial DNA in serum from patients with acute pancreatitis (2005)

Background and aims: Bacterial infections are common complications in patients with acute pancreatitis, and translocation of bacteria from the intestinal lumen is probably the first step in the pathogenesis of these infections. As blood cultures in afebrile patients are usually negative, more sensitive methods to investigate this hypothesis in patients are needed. Our group has recently developed a method to detect the presence of bacterial DNA in biological fluids, and we aimed to detect bacterial DNA in patients with acute pancreatitis, as molecular evidences of bacterial translocation. Methods: Samples of blood were obtained on three consecutive days within the first six days after admission. Bacterial DNA was detected using a polymerase chain reaction based method, and an automated DNA nucleotide sequencing process allowed identification of bacteria species. Results: Thirty one consecutively admitted patients with acute pancreatitis were studied. Bacterial DNA was detected in six patients (19.3%), and the sequencing process allowed identification of Citrobacter freundii and Pseudomonas aeruginosa . In two patients the same bacteria detected at admission was detected 24 hours later (above 99.9% homology of nucleotide sequence). Basic clinical and biochemical characteristics were similar among patients with or without the presence of bacterial DNA. Conclusion: Detection of gram negative bacteria derived bacterial DNA in our series supports the contention that bacterial translocation is a systemic process in approximately 20% of patients with acute pancreatitis that does not seem to be related to the severity of the episode or immediate development of infection.
A method to detect high impedance faults in distribution feeders (2014)

Detection of High Impedance Faults (HIFs) facilitates predictive maintenance in distribution systems. In this paper, a methodology has been developed for detecting HIF in distribution feeders. The method uses multi-resolution analysis with the help of Discrete Wavelet Transform to extract features of currents to be monitored on a feeder. These features are then used to train a Support Vector Machine for classification, i.e., to differentiate between HIF and switching events. Test results based on data obtained simulations on a prototype feeder show that the method is effective in identifying HIFs.
Rheological Characterization of Carbopol® Dispersions in Water and in Water/Glycerol Solutions (2019)

The influence of the solvent type on the rheological properties of Carbopol ® NF 980 dispersions in water and in water/glycerol solutions is investigated. The material formulation, preparation procedure, common experimental challenges and artifact sources are all addressed. Transient and steady-state experiments were performed. For both solvent types, a clearly thixotropic behavior occurs slightly above the yield stress, where the avalanche effect is observed. For larger stresses, thixotropy is always negligible. Among other findings, it is observed that, for a given Carbopol concentration, the dispersion in the more viscous solvent possesses a lower yield stress and moduli, a larger power-law index, and a longer time to reach steady state.
Formation of Oil-in-Water Emulsions from Natural Emulsifiers Using Spontaneous Emulsification: Sunflower Phospholipids (2015)

This study examined the possibility of producing oil-in-water emulsions using a natural surfactant (sunflower phospholipids) and a low-energy method (spontaneous emulsification). Spontaneous emulsification was carried out by titrating an organic phase (oil and phospholipid) into an aqueous phase with continuous stirring. The influence of phospholipid composition, surfactant-to-oil ratio (SOR), initial phospholipids location, storage time, phospholipid type, and preparation method was tested. The initial droplet size depended on the nature of the phospholipid used, which was attributed to differences in phospholipid composition. Droplet size decreased with increasing SOR and was smallest when the phospholipid was fully dissolved in the organic phase rather than the aqueous phase. The droplets formed using spontaneous emulsification were relatively large (d > 10 μm), and so the emulsions were unstable to gravitational separation. At low SORs (0.1 and 0.5), emulsions produced with phospholipids had a smaller particle diameter than those produced with a synthetic surfactant (Tween 80), but at a higher SOR (1.0), this trend was reversed. High-energy methods (microfluidization and sonication) formed significantly smaller droplets (d < 10 μm) than spontaneous emulsification. The results from this study show that low-energy methods could be utilized with natural surfactants for applications for which fine droplets are not essential.
Vertebrate aristaless-related genes (1999)

Aristaless-related genes, a subset of the Paired-related homeobox genes, have in the past few years emerged as a group of regulators of essential events during vertebrate embryogenesis. One group of aristaless-related genes has been linked to the morphogenesis of the craniofacial and appendicular skeleton by their expression patterns and by the phenotypes of natural and artificial mouse mutants. Expression and function in the nervous system characterise a second group, and a third group, the Pitx genes, have been shown to have many different roles, including functions in the pituitary, left-right determination and limb development.
Reservoir cells no longer detectable after a heterologous SHIV challenge with the synthetic HIV-1 Tat Oyi vaccine (2006)

The Tat Oyi vaccine should be efficient worldwide. No toxicity was observed on rabbits and macaques. We show in vivo that antibodies against Tat could restore the cellular immunity and make it possible the elimination of reservoir cells.
Time-course investigation of SAGM-stored leukocyte-filtered red bood cell concentrates: from metabolism to proteomics (2011)

Biochemical and structural parameters did not show significant alterations in the first 2 weeks of storage, but then declined constantly from day 14 onwards. We highlighted several parallelisms between red blood cells stored for a long time and the red blood cells of patients with hereditary spherocytosis.
The yeast EUG1 gene encodes an endoplasmic reticulum protein that is functionally related to protein disulfide isomerase. (1992)

The product of the EUG1 gene of Saccharomyces cerevisiae is a soluble endoplasmic reticulum protein with homology to both the mammalian protein disulfide isomerase (PDI) and the yeast PDI homolog encoded by the essential PDI1 gene. Deletion or overexpression of EUG1 causes no growth defects under a variety of conditions. EUG1 mRNA and protein levels are dramatically increased in response to the accumulation of native or unglycosylated proteins in the endoplasmic reticulum. Overexpression of the EUG1 gene allows yeast cells to grow in the absence of the PDI1 gene product. Depletion of the PDI1 protein in Saccharomyces cerevisiae causes a soluble vacuolar glycoprotein to accumulate in its endoplasmic reticulum form, and this phenotype is only partially relieved by the overexpression of EUG1. Taken together, our results indicate that PDI1 and EUG1 encode functionally related proteins that are likely to be involved in interacting with nascent polypeptides in the yeast endoplasmic reticulum.
Surface properties of electrochemically pretreated glassy carbon (1986)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSurface properties of electrochemically pretreated glassy carbonTsutomu. Nagaoka and Takashi. YoshinoCite this: Anal. Chem. 1986, 58, 6, 1037–1042Publication Date (Print):May 1, 1986Publication History Published online1 May 2002Published inissue 1 May 1986https://pubs.acs.org/doi/10.1021/ac00297a012https://doi.org/10.1021/ac00297a012research-articleACS PublicationsRequest reuse permissionsArticle Views1471Altmetric-Citations188LEARN 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
A Novel Low-Power and High-Speed SOI SRAM With Actively Body-Bias Controlled (ABC) Technology for Emerging Generations (2008)

An actively body-bias controlled (ABC) silicon-on-insulator (SOI) static random access memory (SRAM) connecting the bodies of the access and the driver transistors with the word line is proposed to realize high-speed and low-voltage operation. We developed the direct body contact to apply forward biases to the bodies without increases in the area penalty and the parasitic gate capacitance. An increase of the standby current does not occur because the body biases are not applied when the word-line voltage is low level. It is demonstrated that a significant speed improvement and a reduction of performance variations for the SRAM are achieved by applying the body bias. Neutron-accelerated soft-error tests reveal that the ABC structure suppresses soft-error events due to the body-tied SOI structure. In summary, the ABC SOI technology is one of the countermeasures for emerging generations.
Normal Histology of the Colon (1989)

We describe the normal gross anatomy and histology of the colon, with emphasis on the appearance of the mucosa as seen in the endoscopic biopsies. Various artifacts that may be encountered as a result of trauma from the biopsy forceps, incorrect orientation of the tissue, fixation, and the effects of laxatives and enemas are described and illustrated. Recommendations for optimum handling of biopsies are made.
Acute toxicity of Zinc pyrithione to human skin cells in vitro (1980)

Zinc pyrithione introduced into cultures of rapidly proliferating NCTC 2544 human skin epithelial cells and normal human skin fibroblasts had a rapid cytotoxic effect even at very low concentrations (0.1-0.5 microgram/ml); there was no dose-dependent suppression of cell proliferation and no apparent interference with mitosis. Sodium pyrithione had a similar effect. Zinc oxide and zinc sulphate were at least 100 times better tolerated than zinc pyrithione, but no stimulatory effect on cell growth was detected with low concentrations of either compound. These results suggest that zinc pyrithione's action against dandruff is more likely to arise from a non-specific toxicity for epidermal cells than by an anti-mitotic effect or by remedying a local zinc deficiency.
Automated detection of age-related macular degeneration in color fundus photography: a systematic review (2019)

The rising prevalence of age-related eye diseases, particularly age-related macular degeneration, places an ever-increasing burden on health care providers. As new treatments emerge, it is necessary to develop methods for reliably assessing patients' disease status and stratifying risk of progression. The presence of drusen in the retina represents a key early feature in which size, number, and morphology are thought to correlate significantly with the risk of progression to sight-threatening age-related macular degeneration. Manual labeling of drusen on color fundus photographs by a human is labor intensive and is where automatic computerized detection would appreciably aid patient care. We review and evaluate current artificial intelligence methods and developments for the automated detection of drusen in the context of age-related macular degeneration.
Environment, planning processes, and organizational performance of churches (1988)

Abstract Churches have rarely been the focus of research dealing with strategic management issues, although their impact on individuals, as well as on society as a whole, is equal to or greater than the impact of many business organizations. The study reported herein was designed to fill some of the information void. Data were obtained from a sample of 175 churches, and the relationships of church size and growth to perceptions of the environment and to planning processes were examined. The results indicated that perceptions of the environment, or more specifically the importance of certain environmental factors used in decision‐making, were related to the level of planning sophistication. In addition, planning sophistication was found to be related to the size and growth of churches.
RGB-D SLAM in Dynamic Environments Using Point Correlations (2018)

In this paper, a simultaneous localization and mapping (SLAM) method that eliminates the influence of moving objects in dynamic environments is proposed. This method utilizes the correlation between map points to separate points that are part of the static scene and points that are part of different moving objects into different groups. A sparse graph is first created using Delaunay triangulation from all map points. In this graph, the vertices represent map points, and each edge represents the correlation between adjacent points. If the relative position between two points remains consistent over time, there is correlation between them, and they are considered to be moving together rigidly. If not, they are considered to have no correlation and to be in separate groups. After the edges between the uncorrelated points are removed during point-correlation optimization, the remaining graph separates the map points of the moving objects from the map points of the static scene. The largest group is assumed to be the group of reliable static map points. Finally, motion estimation is performed using only these points. The proposed method was implemented for RGB-D sensors, evaluated with a public RGB-D benchmark, and tested in several additional challenging environments. The experimental results demonstrate that robust and accurate performance can be achieved by the proposed SLAM method in both slightly and highly dynamic environments. Compared with other state-of-the-art methods, the proposed method can provide competitive accuracy with good real-time performance.
Thermotropic behavior of dimyristoylphosphatidylglycerol and its interaction with cytochrome c (1994)

The thermotropic behavior of dimyristoylphosphatidylglycerol (DMPG) in the absence and presence of cytochrome c under low-salt conditions has been investigated using differential scanning calorimetry (DSC), 31P nuclear magnetic resonance (31P NMR), electron spin resonance (ESR), viscosity, light scattering, and electron microscopy. In the absence of protein, the lipid undergoes a sequence of transitions over the temperature range of 7-40 degrees C. ESR studies demonstrate increased acyl chain mobility associated with these transitions. 31P NMR indicates that the lipid, in the absence of protein, retains a lamellar structure throughout the temperature range investigated. At high lipid concentration the DSC curves exhibit a pronounced maximum in the excess heat capacity (Cp) function at about 23 degrees C with a shoulder on the high-temperature side. As the lipid concentration is reduced to 10 mM, the Cp curves broaden, retaining a sharp maximum at about 20 degrees C and a broader transition with a maximum at 27 degrees C. The overall enthalpy change of 6 kcal/mol is independent of lipid concentration. Most interestingly, the lipid dispersion becomes highly viscous and optically isotropic in the main transition range (20-28 degrees C), suggesting long-range order even at lipid concentrations as low as 10 mM. The existence of long-range order is confirmed by negative stain electron microscopy. The heat capacity curve in the presence of protein is broad, with a single Cp maximum and an overall enthalpy change of 1.7 kcal/mol. Similarly, the temperature dependence of the ESR spectra shows none of the detail observed in the absence of the protein. Of specific interest is that partially saturating amounts of protein prevented the large increase in the viscosity of the dispersion in the main transition range. This result suggested that the protein prevented development of long-range order. However, under saturating conditions the viscosity of the protein-lipid complex increased with increasing temperature even beyond the transition range. This increase does not appear to be the result of formation of an extended lipid structure but is the result, according to electron microscopic evaluation, of aggregation of small protein-containing lipid vesicles. The 31P NMR spectra of the lipid in the presence of protein are isotropic, consistent with the formation of highly curved particles. Calorimetric titration studies of the binding of cytochrome c to DMPG indicate that protein binding is coupled cooperatively to changes in the state of the lipid.(ABSTRACT TRUNCATED AT 400 WORDS)