gebhart/patrepeval huggingface dataset:
Comparison and Transferability of the erm (B) Genes betweenHuman and Farm Animal Streptococci (2005)

To obtain better insights into the possible exchange of resistance genes between human and animal streptococci, the sequences of the erm (B) genes of streptococcal isolates from humans, pigs, pork carcasses, chickens, and calves were compared. Identical erm (B) gene sequences were present in strains from humans, pigs, pork carcasses, and calves. During in vitro mating experiments, the erm (B) gene was exchanged between porcine Streptococcus suis and human S. pneumoniae, S. pyogenes, and S. oralis strains. The presence of different tetracycline resistance genes and the int Tn 1545 gene was determined in animal streptococci carrying the erm (B) gene. Although tet(M) and int Tn 1545 genes were detected in 24% of the porcine and pork carcass streptococcal strains, the tet(O) gene was the predominant tetracycline resistance gene in these strains (81%). The latter gene was co-transferred with the erm (B) gene from porcine S. suis strains to human streptococci in the mating experiments. These results show that, identical erm (B) gene sequences were present in animal and human streptococci and that transfer of the erm (B) gene from porcine S. suis to human streptococci and vice versa is possible, but probably occurs at a low frequency.
Sequential analysis of the influence of blood storage on aggregation, deformability and shape parameters of erythrocytes. (1998)

The hemorheological and morphological changes in blood during storage under standardised conditions for 35 days were analysed by sequential determination of the variability of aggregation, deformability and shape of erythrocytes. The shape analysis was carried out by shape descriptors based on the projected area and perimeter, as measured by processing of erythrocyte images obtained from blood smears. The aggregation of erythrocytes was analysed from the data on the sequential variation of transmitted laser intensity after passing through the erythrocyte suspension. Similarly, the deformability of erythrocytes was determined in terms of passage time as obtained by analysis of flow of erythrocyte suspension through the cellulose membrane. The results show that the erythrocyte aggregation parameters and shape descriptors show significant variation, whereas the deformability is reduced (up to 5%) compared with that of the fresh samples. These variations may explain the observed changes in blood viscosity and viability of erythrocytes after their infusion in to the cardiovascular system.
Fat Land (2003)

Our website uses cookies to enhance your experience. By continuing to use our site, or clicking "Continue," you are agreeing to our Cookie Policy | Continue JAMA HomeNew OnlineCurrent IssueFor Authors Podcasts Clinical Reviews Editors' Summary Medical News Author Interviews More Publications JAMA JAMA Network Open JAMA Cardiology JAMA Dermatology JAMA Health Forum JAMA Internal Medicine JAMA Neurology JAMA Oncology JAMA Ophthalmology JAMA Otolaryngology–Head & Neck Surgery JAMA Pediatrics JAMA Psychiatry JAMA Surgery Archives of Neurology & Psychiatry (1919-1959) JN Learning / CMESubscribeJobsInstitutions / LibrariansReprints & Permissions Terms of Use | Privacy Policy | Accessibility Statement 2023 American Medical Association. All Rights Reserved Search All JAMA JAMA Network Open JAMA Cardiology JAMA Dermatology JAMA Forum Archive JAMA Health Forum JAMA Internal Medicine JAMA Neurology JAMA Oncology JAMA Ophthalmology JAMA Otolaryngology–Head & Neck Surgery JAMA Pediatrics JAMA Psychiatry JAMA Surgery Archives of Neurology & Psychiatry Input Search Term Sign In Individual Sign In Sign inCreate an Account Access through your institution Sign In Purchase Options: Buy this article Rent this article Subscribe to the JAMA journal
On linear prediction of Internet traffic for packet and burst switching networks (2002)

We show that prediction algorithms in the least mean square error sense prove better in a burst rather than in a packet switching network. For the latter, further information about the packet arrival distribution within the prediction interval is required. Regarding burst switching, we compare optical burst switching networks with and without linear prediction to conclude that linear prediction provides a significant improvement in end-to-end latency with low bandwidth waste.
Analysis of Local Appearance-Based Face Recognition: Effects of Feature Selection and Feature Normalization (2006)

In this paper, the effects of feature selection and feature normalization to the performance of a local appearance based face recognition scheme are presented. From the local features that are extracted using block-based discrete cosine transform, three feature sets are derived. These local feature vectors are normalized in two different ways; by making them unit norm and by dividing each coefficient to its standard deviation that is learned from the training set. The input test face images are then classified using four different distance measures: L1 norm, L2 norm, cosine angle and covariance between feature vectors. Extensive experiments have been conducted on the AR and CMU PIE face databases. The experimental results show the importance of using appropriate feature sets and doing normalization on the feature vector.
Upper limb thrombosis associated with assisted conception treatment (1997)

Three cases of upper limb deep venous thrombosis occurring in association with assisted conception treatment are presented. The accepted argument that lower limb thrombosis occurring in cases of complicated or severe hyperstimulation syndrome represents the likeliest thrombo-embolic disorder in this situation is questioned.
Encapsulation and Stabilization of Gold Nanoparticles with “Click” Polyethyleneglycol Dendrimers (2010)

Water-soluble arene-cored "clicked" and non-"clicked" dendrimers terminated by 27, 81, and 243 triethyleneglycol (TEG) tethers (respectively generations G0, G1, and G2) have been synthesized and shown to form dendrimer-encapsulated gold nanoparticles (DEAuNPs) and dendrimer-stabilized gold nanoparticles (DSAuNPs). The dendrimers have been characterized by IR, (1)H NMR, (13)C NMR, size-exclusion chromatography, elemental analysis, MALDI-TOF mass spectroscopy, DOSY NMR, and dynamic light scattering. The AuNPs have been generated and stabilized by these PEGylated dendrimers using a variety of reduction modes, including NaBH(4) in methanol, various single-electron metallocene-type reductants, and even in the absence of additional reductants. The active role of the "clicked" triazole rings, dendrimer generation, stoichiometry of Au precursor, and nature of the reductant and of the solvent are delineated, leading to DSAuNPs with the G0 dendrimer and smaller DEAuNPs with the G1 and G2 dendrimers. Altogether, AuNPs in the size range from 1.8 to 42 nm were formed and characterized by transmission electron microscopy (TEM), high resolution TEM (HRTEM) and UV-vis spectroscopy. Both 1,2,3-triazole and PEGylated Percec-type dendrons are required in the dendrimer structure for the stabilization of AuNPs upon NaBH(4) reduction of HAuCl(4) in methanol. On the other hand, in the absence of other reductant in water, only PEGylated Percec-type dendrons in dendrimers were found to be indispensable, because of their semicavitand shape, for the spontaneous reduction of HAuCl(4) and stabilization of DSAuNPs.
A Multiple Radiation Effects Facility for the Study of Structural and Flexible Materials Exposed to the Space Environment (1979)

A radiation effects facility is described which utilizes multiple radiation sources, vacuum chambers and thermal control to simulate the space environment. Use of the facility for eight months' continuous testing of thin film flexible materials is discussed and summary results, primarily from in-situ testing, are presented.
Acute COVID-19 severity and 16-month mental morbidity trajectories in patient populations of six nations (2021)

Abstract BACKGROUND The aim of this multinational study was to assess the development of adverse mental health symptoms among individuals diagnosed with COVID-19 in the general population by acute infection severity up to 16 months after diagnosis. METHODS Participants consisted of 247 249 individuals from seven cohorts across six countries (Denmark, Estonia, Iceland, Norway, Scotland, and Sweden) recruited from April 2020 through August 2021. We used multivariable Poisson regression to contrast symptom-prevalence of depression, anxiety, COVID-19 related distress, and poor sleep quality among individuals with and without a diagnosis of COVID-19 at entry to respective cohorts by time (0-16 months) from diagnosis. We also applied generalised estimating equations (GEE) analysis to test differences in repeated measures of mental health symptoms before and after COVID-19 diagnosis among individuals ever diagnosed with COVID-19 over time. FINDINGS A total of 9979 individuals (4%) were diagnosed with COVID-19 during the study period and presented overall with a higher symptom burden of depression (prevalence ratio [PR] 1·18, 95% confidence interval [95% CI] 1·03-1·36) and poorer sleep quality (1·13, 1·03-1·24) but not with higher levels of symptoms of anxiety or COVID-19 related distress compared with individuals without a COVID-19 diagnosis. While the prevalence of depression and COVID-19 related distress attenuated with time, the trajectories varied significantly by COVID-19 acute infection severity. Individuals diagnosed with COVID-19 but never bedridden due to their illness were consistently at lower risks of depression and anxiety (PR 0·83, 95% CI 0·75-0·91 and 0·77, 0·63-0·94, respectively), while patients bedridden for more than 7 days were persistently at higher risks of symptoms of depression and anxiety (PR 1·61, 95% CI 1·27-2·05 and 1·43, 1·26-1·63, respectively) throughout the 16-month study period. CONCLUSION Acute infection severity is a key determinant of long-term mental morbidity among COVID-19 patients.
Arrhythmia in Congenital Heart Disease (2007)

Before the advent of surgery only 20% of children with congenital heart disease survived to adult life.1 Great achievements in paediatric cardiology and cardiac surgery over the last few decades resulted in an increased survival of children with congenital heart disease (CHD). Today we are facing the first generation of grown-up congenital heart disease (GUCH) patients and the management of their clinical problems represents a new complicated task for paediatricians, cardiologists, cardiac surgeons and electrophysiologists.
Study on Discharge Characteristics of Multilayer Oil-paper under High Frequency Pulse Voltage (2021)

High-frequency transformers with small size and light weight have been widely concerned by researchers at home and abroad. The oil-paper insulation of high frequency transformers is affected by the high frequency pulse produced by power electronic device, which is more prone to discharge fault and insulation failure. To study the effect of high frequency pulse voltage on the discharge characteristics of oil-paper insulation, a needle plate electrode model was used to carry out the discharge experiment of different layers of oil-paper insulation samples at 1-20 kHz bipolar high frequency square wave voltage produced by high frequency power supply. The partial discharge and breakdown characteristics of oil-paper insulation under high frequency square wave pulse voltage were studied. The results show that the discharge quantity of oilpaper insulation increases greatly with high frequency pulse voltage compared with AC voltage. There is no discharge phenomenon in the process of discharge development, which is significantly different from that under AC voltage. The intensity of discharge increases under high frequency pulse voltage and its increasement accelerates the deterioration of oil-paper insulation.
Lateral Control of Heavy Duty Vehicles for Automated Highway System: Experimental Study on a Tractor Semi-trailer - eScholarship (2000)

The project Lateral Control of Heavy Duty Vehicles for Automated Highway Systems (MOU 313) represents continuation of the heavy vehicle research in PATH which was initiated in 1993 with MOU 129, Steering and Braking Control of Heavy Duty Vehicles and was followed with MOU 242, Steering and Braking Control of Heavy Duty Vehicles . While the emphasis of the earlier projects was on analysis of lateral control for heavy vehicles, namely, model development and control design, the emphasis of MOU 313, has been experimental evaluation of the models and the controllers developed so far. The success of preliminary designs has given PATH the confidence to conduct testing on differential braking. In the remaining year of the project, we aim to achieve hands off operation at highway speeds and use differential braking for performance enhancement of the lateral control.
Generating intelligence on the research and development progress of emerging technologies using patent and publication information (2008)

It is critical for technology-driven organizations to have access to intelligence on the progress of research and development (R&D) in public or private laboratories. Technology forecasting methods can be useful in these cases if there is a history of performance. However the traditional forecasting methods can not be used effectively for predicting the prospects of emerging technologies as historical information for any particular emerging technology is limited due to the short time of its appearance. The bibliometric and patent analysis approach presented in this paper allows researchers to generate intelligence on emerging technologies supported by the wealth of todaypsilas public electronic information database. Furthermore, this paper also emphasizes the needs for technology managers to be aware of a time lag among different scientific indicators.
Sketched Subspace Clustering (2017)

The immense amount of daily generated and communicated data presents unique challenges in their processing. Clustering, the grouping of data without the presence of ground-truth labels, is an important tool for drawing inferences from data. Subspace clustering (SC) is a relatively recent method that is able to successfully classify nonlinearly separable data in a multitude of settings. In spite of their high clustering accuracy, SC methods incur prohibitively high computational complexity when processing large volumes of high-dimensional data. Inspired by random sketching approaches for dimensionality reduction, the present paper introduces a randomized scheme for SC, termed Sketch-SC, tailored for large volumes of high-dimensional data. Sketch-SC accelerates the computationally heavy parts of state-of-the-art SC approaches by compressing the data matrix across both dimensions using random projections, thus enabling fast and accurate large-scale SC. Performance analysis as well as extensive numerical tests on real data corroborate the potential of Sketch-SC and its competitive performance relative to state-of-the-art scalable SC approaches.
A novel I/O scheduler for SSD with improved performance and lifetime (2013)

This paper presents a novel block I/O scheduler specifically for SSDs. The scheduler leverages the internal rich parallelism resulting from SSD's highly parallelized architecture. It speculatively divides the entire SSD space into different subregions and dispatches requests into those subregions in a round-robin fashion at the Linux kernel block layer. In the meanwhile, to reduce the severe read-write interference problem associated with SSDs, the scheduler only dispatches a batch of unidirectional requests to the disk driver for each subregion's scheduling opportunity. Furthermore, to take advantage of SSD'S better sequential performance over random patterns, the scheduler sorts the pending requests while they are awaiting in the dispatching queues as those HDD-oriented schedulers do. The experimental results with a variety of workloads have demonstrated that the new I/O scheduler not only improves the user-perceived performance, but also enhances the underlying SSD's lifetime via reducing the block erase operations during the running processes.
Detecting patterns of crime with series finder (2013)

Many crimes can happen every day in a major city, and figuring out which ones are committed by the same individual or group is an important and difficult data mining challenge. To do this, we propose a pattern detection algorithm called Series Finder, that grows a pattern of discovered crimes from within a database, starting from a seed of a few crimes. Series Finder incorporates both the common characteristics of all patterns and the unique aspects of each specific pattern. We compared Series Finder with classic clustering and classification models applied to crime analysis. It has promising results on a decade's worth of crime pattern data from the Cambridge Police Department.
Relative susceptibilities of male germ cells to genetic defects induced by cancer chemotherapies (2004)

Some chemotherapy regimens include agents that are mutagenic or clastogenic in model systems. This raises concerns that cancer survivors, who were treated before or during their reproductive years, may be at increased risks for abnormal reproductive outcomes. However, the available data from offspring of cancer survivors are limited, representing diverse cancers, therapies, time-to-pregnancies, and reproductive outcomes. Rodent breeding data after paternal exposures to individual chemotherapeutic agents illustrate the complexity of factors that influence the risk for transmitted genetic damage including agent, dose, endpoint, and the germ-cell susceptibility profiles that vary across agents. Direct measurements of chromosomal abnormalities in sperm of mice and humans by sperm FISH have corroborated the differences in germ-cell susceptibilities. The available evidence suggests that the risk of producing chromosomally defective sperm is highest during the first few weeks after the end of chemotherapy, and decays with time. Thus, sperm samples provided immediately after the initiation of cancer therapies may contain treatment-induced genetic defects that will jeopardize the genetic health of offspring.
Lifetime Prediction of Wall-Flow Type Diesel Particulate Filters Using Fatigue Characteristics (1993)

&lt;div class="htmlview paragraph"&gt;Lifetimes of DPF under various thermal stress cycles were calculated based on the slow crack growth theory and expected lifetimes were investigated in relation to maximum temperature during regenerations. The fatigue characteristics of porous honeycomb structures follow the slow crack growth theory. Maximum thermal stress was calculated from temperature distributions of failed DPF. The ratio of 4-point bending strength to maximum thermal stress was used as a correction factor. The thermal stress was calculated from various temperature distributions and then modified with the correction factor. These results were compared with the fatigue characteristics obtained from 4-point bending fatigue tests.&lt;/div&gt;
Sex Pheromones of Noctuid Moths. VI. Absence of Behavioral Specificity for the Female Sex Pheromones of Trichoplusia ni Versus Autographa californica, and Heliothis zea Versus H. virescens (Lepidoptera: Noctuidae)12 (1965)

Quantitative determinations of the response thresholds of male moths exposed to ether extracts of female abdomen tips provided evidence for the behaviorally similar nature of female sex pheromones between Trichoplusia ni (Hübner) and Autographa californica (Speyer) and between Heliothis sea (Boddie) and H. virescens (F.). Males of A. californica attempted to mate with females of T. ni, without successful coupling occurring. Certain males of H. zea that succeeded in coupling with females of H. virescens could neither transfer spermatophores nor separate from the females. No successful interspecific transfer of a spermatophore occurred among any of the species, indicating the existence of morphological or physiological reproductive isolating mechanisms other than the female sex pheromone.
Characterizing spring emergence of adult Halyomorpha halys using experimental overwintering shelters and commercial pheromone traps (2017)

Abstract To improve our understanding of adult H alyomorpha halys ( S tål) ( H emiptera: P entatomidae) overwintering biology and to better inform models of its population dynamics, its temporal pattern of spring emergence was investigated using experimental overwintering shelters in screened cages within protective structures. In 2012, plastic shelters containing 100 adults were deployed in unheated, unlighted buildings, and adjacent woodlots in V irginia, USA . In 2013 and 2014, wooden shelters containing 300 paint‐marked adults were deployed in pairs in six woodlots across V irginia, W est V irginia, and M aryland, USA ; one in a closed cage and one in a cage with the top removed, enabling emerged adults to be counted or to disperse, respectively. In 2013 and 2014, pheromone‐baited and non‐baited pyramid traps encircled the shelters at each site. Regular counts of adults that emerged into the closed cage and of marked and ‘wild’ (unmarked) adults captured in traps were conducted from February or March through early July. In 2012, emergence patterns from shelters in buildings and woodlots were very similar and matched those recorded from woodlots in 2013 and 2014. In all years, a small peak of emergence occurred in about mid‐April, a larger and more prolonged peak was observed between mid‐May and early June, and emergence ended by early July. Of the 449 H . halys adults captured in traps between 2013 and 2014, only three were marked individuals from shelters in the open cage, suggesting that adults emerging from overwintering sites may require a dispersal flight before responding to pheromone‐baited traps. In 2013 and 2014, respectively, 98 and 93% of captures were in pheromone‐baited traps, but there was no correlation between the weekly number of adults that emerged from shelters in the closed cages and captures in traps.
One-Step Synthesis of Size-Tunable Rhodium Nanoparticles on Carbon Nanotubes: A Study of Particle Size Effect on Hydrogenation of Xylene (2010)

Size-tunable rhodium (Rh) nanoparticles can be deposited uniformly on surfaces of carboxylate functionalized multiwalled carbon nanotubes (MWNTs) by a simple one-step sonochemical method in an ethanol solution containing RhCl3 and a series of boron-containing reagents of different reducing power. This technique provides a simple and rapid way of making rhodium nanoparticles of different size, which allows us to perform careful studies of particle size effect on catalysis. The hydrogenation of neat o-, m-, and p-xylene catalyzed by the MWNT-supported metallic Rh nanoparticle catalysts reveals a negative particle size effect (antipathetic structure sensitivity). The stereoselectivity of this reaction measured by the ratio of cis-/trans-dimethylcyclohexane increases with decreasing size of Rh nanoparticles.
The Impact of Anesthesiologists on Coronary Artery Bypass Graft Surgery Outcomes (2015)

The rate of death or major complications among patients undergoing coronary artery bypass graft surgery varies markedly across anesthesiologists. These findings suggest that there may be opportunities to improve perioperative management to improve outcomes among high-risk surgical patients.