gebhart/patrepeval huggingface dataset:
O PROCESSO DE AVALIAÇÃO NA EJA: UM POSSÍVEL CAMINHO PARA PESQUISA (2019)

Este trabalho possui como objetivo apresentar possíveis caminhos para uma pesquisa que busque analisar o processo de avaliação feito na modalidade de Educação para Jovens e Adultos (EJA). Tal modalidade possui um histórico de negligência por parte do poder público, no entanto, ela se faz necessária na sociedade, oferecendo para aqueles que não puderam ter acesso a educação no período costumeiro uma chance de se alfabetizar e melhorar a sua condição dentro da sociedade, principalmente se considerarmos o quesito competição no mercado de trabalho. Considerando isto, fica claro o quanto é necessário que este sistema possua qualidade, e uma das melhores táticas para desenvolver isto é a avaliação, que fornecerá dados que possibilitem que educadores e gestores avaliem e melhorem o programa. Assim, este artigo pretende demonstrar, através do que foi produzido na tese intitulada Processo Ensino-aprendizagem: uma nova concepção de avaliação na Educação de Jovens e Adultos – EJA, desenvolvida na Universidad Autónoma de Assunción, possíveis caminhos para uma pesquisa que pretenda utilizar este objeto, buscando incentivar e ajudar outros pesquisadores que pretendam seguir o mesmo tema de pesquisa. Referências CRUZ, A. C. dos S. Processo Ensino-aprendizagem: uma nova concepção de avaliação na Educação de Jovens e Adultos – EJA. 137 p. Tese (Doutorado em Ciências da Educação) — Universidad Autónoma de Assunción, 2019. FREIRE, P. Pedagogia do Oprimido. 17ª. ed. Rio de Janeiro: Paz e Terra, 2001. GADOTTI, M. Paulo Freire: uma biografia. São Paulo: Cortez: Instituto Paulo Freire, 1996. HADDAD, S. Estado e Educação de Adultos (1964-1985). São Paulo: Faculdade de Educação da USP, 1997. LAFFIN, M. H. L. F. Educação de jovens e adultos e educação na diversidade: Livro 1. Florianópolis: NUP - Núcleo de Publicações do CED, 2011.
Disease-associated Bias in T Helper Type 1 (Th1)/Th2 CD4<b>+</b> T Cell Responses Against MAGE-6 in HLA-DRB10401<b>+</b> Patients With Renal Cell Carcinoma or Melanoma (2002)

T helper type 1 (Th1)-type CD4+ antitumor T cell help appears critical to the induction and maintenance of antitumor cytotoxic T lymphocyte (CTL) responses in vivo. In contrast, Th2- or Th3/Tr-type CD4+ T cell responses may subvert Th1-type cell-mediated immunity, providing a microenvironment conducive to disease progression. We have recently identified helper T cell epitopes derived from the MAGE-6 gene product; a tumor-associated antigen expressed by most melanomas and renal cell carcinomas. In this study, we have assessed whether peripheral blood CD4+ T cells from human histocompatibility leukocyte antigens (HLA)-DRβ1*0401+ patients are Th1- or Th2-biased to MAGE-6 epitopes using interferon (IFN)-γ and interleukin (IL)-5 enzyme-linked immunospot assays, respectively. Strikingly, the vast majority of patients with active disease were highly-skewed toward Th2-type responses against MAGE-6–derived epitopes, regardless of their stage (stage I versus IV) of disease, but retained Th1-type responses against Epstein-Barr virus– or influenza-derived epitopes. In marked contrast, normal donors and cancer patients with no current evidence of disease tended to exhibit either mixed Th1/Th2 or strongly Th1-polarized responses to MAGE-6 peptides, respectively. CD4+ T cell secretion of IL-10 and transforming growth factor (TGF)-β1 against MAGE-6 peptides was not observed, suggesting that specific Th3/Tr-type CD4+ subsets were not common events in these patients. Our data suggest that immunotherapeutic approaches will likely have to overcome or complement systemic Th2-dominated, tumor-reactive CD4+ T cell responses to provide optimal clinical benefit.
Some Biological Effects of Nuclear Disintegration Products on Neoplastic Tissue (1940)

Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.
Low complexity quality monitoring of MPEG-2 video in a network (2004)

We consider monitoring the quality of compressed video transmitted over a packet network from the perspective of a network service provider. We estimate the mean-squared error (MSE) caused by packet loss, by examining only the received video bitstream. We merge the best aspects of two of our previously reported methods, with the goal of creating a low-complexity quality monitor that will be able to process many streams simultaneously in the network.
[Flagella specific H antigenic schema of Pseudomonas aeruginosa (author's transl)]. (1978)

Serogrouping of P. aeruginosa on the basis of heat-stable somatic (O-)agglutinogens is well established, but H-typing on the basis of heat-labile agglutinogens is not accepted generally because of uncertain flagella specificity. In contrast to the agglutination reaction, the indirect fluorescent antibody technique allows the differentiation of soma and flagellum of P. aeruginosa cells at the morphological and serological level simultaneously, and thereby the specific analysis of flagellar (H-)antigens, even with OH-antisera. Using this technique the complex flagella-antigen a with the partial antigens a0, a1, a2, a3, a4 and the uniform flagella-antigen b are differentiated by cross absorption experiments. As the partial factors a1-a4 are independent determinants, a flagellar antigenic schema containing 17 H-types is devised. Type strains, immunization and absorption procedures for preparing diagnostic antisera are described. O-group and H-type show free combination. Completing the extended O antigenic schema of Habs (slide agglutination) with the flagella specific H antigenic schema (indirect fluorescent antibody technique), a detailed OH typing system of P. aeruginosa is obtained, by which clinical isolates are subdivided into 99 serovars.
Diffraction Grating Use to Reject Fluorescence from a Tunable Dye Laser (1975)

Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text K. Jain, W. T. Wozniak, and M. V. Klein, "Diffraction Grating Use to Reject Fluorescence from a Tunable Dye Laser," Appl. Opt. 14, 811-812 (1975) Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article
Joint integral histograms and its application in stereo matching (2010)

In this paper, we first propose a technique, referred as joint integral histograms, for weighted filtering with O(1) computational complexity. The technique is built on the classic integral images and the recent integral histograms. In a joint integral histogram, instead of remembering bin occurrences, the value at each bin indicates an integral defined by two signals. Beyond the integral histograms, our method supports weighted filtering with a more general form, where the weight could be a function of a signal different from the signal to be filtered. Then, we present a local stereo matching approach as an instantiation of the technique. Using the joint integral histograms, we achieve a speedup factor of about two orders of magnitude. Thanks to the huge speedup, the stereo method is among the best local approaches in terms of the trade-off between matching accuracy and execution speed. Experimental results demonstrate the advantages of both the joint integral histograms technique and the stereo matching approach.
Human-machine interface for wheelchair control with EMG and its evaluation (2004)

The objective of this paper is to develop a powered wheelchair controller based on EMG for users with high-level spinal cord injury. EMG is very naturally measured when the user indicating a certain direction and the force information which will be used for the speed of wheelchair is easily extracted from EMG. Furthermore, the emergency situation based on EMG will be checked relatively ease. We classified the pre-defined motions such as rest case, forward movement, left movement, and right movement by fuzzy min-max neural networks (FMMNN). This classification results and evaluation results with real users shows the feasibility of EMG as an input interface for powered wheelchair.
Radical copolymerization of sulfur dioxide and styrene. 5. The styrene sequence distribution of poly(styrene sulfones) (1988)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRadical copolymerization of sulfur dioxide and styrene. 5. The styrene sequence distribution of poly(styrene sulfones)Hun Jai Bae, Tokuji Miyashita, Masashi Iino, and Minoru MatsudaCite this: Macromolecules 1988, 21, 1, 26–30Publication Date (Print):January 1, 1988Publication History Published online1 May 2002Published inissue 1 January 1988https://pubs.acs.org/doi/10.1021/ma00179a006https://doi.org/10.1021/ma00179a006research-articleACS PublicationsRequest reuse permissionsArticle Views121Altmetric-Citations12LEARN 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
Eddy currents in accelerator magnets (2011)

This paper covers the main eddy current effects in accelerator magnets - field modification (time delay and field quality) and resistive power losses. In the first part, starting from the Maxwell equations, a basic understanding of the processes is given and explained with examples of simple geometry and time behaviour. Useful formulas are derived for an analytic estimate of the size of the effects. In the second part the effects in real magnets are analysed and described in comparison with numerical and measured results. Finally, based on the previous parts, design recommendations are given regarding how to minimize eddy current effects.
Cyclic Oxidation Behavior of Iridium-Modified Aluminide Coatings for Nickel-Base Single Crystal Superalloy TMS-75 (2003)

The oxidation behavior of iridium-modified aluminide (Ir–Al) coating obtained by a two-step process was investigated. A pure Ir layer was first electrodeposited on the nickel-base single crystal superalloy TMS-75, and then the Ir-coated TMS-75 was treated by a conventional low activity pack-cementation aluminizing process. The oxidation resistance of the Ir–Al coated TMS-75 and the simply aluminized TMS-75 was evaluated by a cyclic oxidation test at 1373 K in air. The results showed that the Ir–Al coated TMS-75 had better thermal cyclic oxidation resistance than the simply aluminized TMS-75. The existence of Ir in the Ir–Al coatings may promote the formation of dense and adherent Al2O3 scale and thus retard the degradation of β-(Ir, Ni)Al phase during oxidation process.
A PRACTICAL METHOD FOR THE SYNTHESIS OF PHENOPHTHALEIN SPIROLACTAMS (2001)

(2001). A PRACTICAL METHOD FOR THE SYNTHESIS OF PHENOPHTHALEIN SPIROLACTAMS. Organic Preparations and Procedures International: Vol. 33, No. 1, pp. 95-100.
Nucleotide sequence divergence and functional constraint in mRNA evolution. (1980)

Comparison of about 50 pairs of homologous nucleotide sequences for different genes revealed that the substitutions between synonymous codons occurred at much higher rates than did amino acid substitutions. Furthermore, five pairs of mRNA sequences for different genes were compared in species that had diverged at the same time. The evolutionary rate of synonymous substitution was estimated to be 5.1 X 10(-9) per site per year on the average and is approximately constant among different genes. It also is suggested that this property would be suitable for a molecular clock to determine the evolutionary relationships and branching order of duplicated genes. Each functional block of the noncoding region evolves with a rate that is almost constant, regardless of the types of genes. The intervening sequence and the 5' portion of the 3' noncoding region show considerable divergence, the extent of which is almost comparable to that in the synonymous codon sites, whereas the other blocks consisting of the 5' noncoding region and the 3' portion of the 3' noncoding region are strongly conserved, showing approximatley half of the divergence of the synonymous sites. This strong sequence preservation might be due to the functional requirements for transcription and modification of mRNA.
Screening of ligands for the Ullmann synthesis of electron-rich diaryl ethers (2012)

In the search for new ligands for the Ullmann diaryl ether synthesis, permitting the coupling of electron-rich aryl bromides at relatively low temperatures, 56 structurally diverse multidentate ligands were screened in a model system that uses copper iodide in acetonitrile with potassium phosphate as the base. The ligands differed largely in their performance, but no privileged structural class could be identified.
Dynamic mechanical properties of supported polymers. I. Application of the torsional braid technique to the study of glass transition temperatures (1963)

An analysis of the parameters involved in torsional braid measurements is given. It is found that the amount of polymer on the braid controls the level of rigidity modulus attained by the composite specimen, but does not affect the measured glass transition temperature of the polymer. Treating the torsional braid system as a fabric braid filled polymer system, an empirical relation is given relating the measured modulus, G, to the modulus of the unfilled polymer, G0, and the volume fractions of voids, φv and support φs. This equation takes the form, where ks, kv, Ss′, and Sv′ are constants. This equation is evaluated for the polystyrene–cotton thread system. The effect of braid length on the measured modulus is discussed.
Loss of E-cadherin Expression in Melanoma Cells Involves Up-regulation of the Transcriptional Repressor Snail (2001)

Malignant transformation of melanocytes frequently coincides with loss of E-cadherin expression. Here we show that loss of E-cadherin in melanoma cell lines does not involve mutations in the E-cadherin gene, promoter methylation, or alterations in expression of AP-2 transcription factors as suggested previously. In a panel of different melanoma cell lines, E-cadherin expression was negatively regulated by up-regulation of the transcription factor Snail. In comparison with primary human melanocytes, where Snail expression was not detected by reverse transcription-polymerase chain reaction, significant expression was found in all eight melanoma cell lines. In parallel, Western blot and reverse transcription-polymerase chain reaction analysis revealed strong reduction of E-cadherin expression in the melanoma cells. Consistently, transient transfection of a Snail expression plasmid into human primary melanocytes led to significant down-regulation of E-cadherin, whereas transient and stable transfection of an antisense Snail construct induced reexpression of E-cadherin in Mel Ju and Mel Im melanomas. In summary, we conclude that activation of Snail expression plays an important role in down-regulation of E-cadherin and tumorigenesis of malignant melanomas.
[The pCO2-/pO2-optode: a new probe for measurement of pCO2 or pO in fluids and gases (authors transl)]. (1975)

To measure pO2 or pCO2 in gases or fluids the fluorescence indicators pyrene butyric acid or beta-methylumbelliferon were used, which were separated from a measuring medium by a gas-permeable membrane. For pCO2 the pH changes in NaHCO3 solution were monitored by methylumbelliferon. Changes in its fluorescence signal, S, were measured at lambda (emmission) = 445 nm. Excitation was brought about by light of wavelength lambda1 = 318 nm (fluorescence signal S1), and lambda2 - 357 nm fluorescence signal S2). Drawing lg(S2/S1) against lg(pCO2-1), one obtains a straight line between a pCO2 of 10 and 70 Torr. The response time is about 3 to 4s (90%). For pO2, pyrene butyric acid is used (lambda(excitation) = 342 nm; lambda(emission) =395 nm). A linear increase in pO2 between 0 and 300 Torr yields a linear increase in the reciprocal fluorescence signal. The response time is about 3 s (90%).
Research progress in detection of rotavirus (2013)

<p>RVs causes significant morbidity and mortality world widely, they are the main etiologic agents of serious diarrheal disease and the major cause of gastroenteritis in infants and young children under 5 year of age. Because there is no speciﬁc treatment for RV infections, rotavirus vaccines were considered to be the most effective way to prevent rotavirus infections. Thus, a rapid, specific and sensitive detection method is of the utmost importance for diagnosing and monitoring of rotaviruses, and also for evaluating of rotavirus vaccines. In this report, we reviewed the process of the detection methods for rotaviruses in recent years, intending to provide useful information for developing a rapid, effective and robust assay for rotaviruses and rotavirus vaccines.</p>
Efforts toward creating unnatural base pairs for an expanded genetic code (2001)

A series of unnatural base pairs was designed and examined for the expansion of the genetic alphabet and for a better understanding of the mechanism of nucleic acid biosyntheses. To improve the shape complementarity of the previously developed unnatural base pairs, 2-amino-6-(N,N-dimethylamino)purine (x)--pyridon-2-one (y) and 2-amino-6-(2-thienyl)purine (s)--y, the pyrimidine analogue, y, was replaced by a five-member ring, 4-imidazolin-2-one (z), and the s-z pairing in replication was examined. Unnatural bases based on the five-member ring were also applied to the development of non-hydrogen-bonded base pairs.
Relationships between fat and plasma androstenone and plasma testosterone in fatty and lean young boars during growth and after hCG stimulation (1982)

The effect of weight of fatty tissue on fat and plasma androstenone and on plasma testosterone relationships in the young boar was studied. For this purpose, hCG stimulation of steroid testicular production was performed in 12 boars and fat androstenone concentration subsequently measured. In addition plasma androstenone and testosterone were determined in 8 of them, previously cannulated. The results show that: 1) although plasma testosterone response to hCG stimulation was similar in all boars, fat and plasma androstenone responses were very variable between boars, 2) weight of fatty tissue appeared to have little influence, if any, on androstenone exchanges between plasma and fatty tissue and 3) plasma androstenone/testosterone ratio appeared to be less variable within boars than between boars. The data show that there is probably some between-boars-variability in the respective rates of elimination of testosterone and androstenone.
Expression of the AT2 receptor developmentally programs extracellular signal-regulated kinase activity and influences fetal vascular growth (1999)

Angiotensin II type 2 (AT2) receptor is abundantly expressed in vascular smooth muscle cells (VSMC) of the fetal vasculature during late gestation (embryonic day 15-20), during which the blood vessels undergo remodeling. To examine directly the influence of AT2 receptor expression in the developmental biology of VSMC, we studied cultures of VSMC from fetal and postnatal wild-type (Agtr2(+)) and AT2 receptor null (Agtr2(-)) mice. Consistent with in vivo data, AT2 receptor binding in cultured Agtr2(+) VSMC increased by age, peaking at embryonic day 20, and decreased dramatically after birth. Angiotensin II-induced growth in Agtr2(+) VSMC (embryonic day 20) was increased by the AT2 receptor blocker PD123319, indicating that the AT2 receptors are functional and exert an antigrowth effect in Agtr2(+) VSMC. Growth of VSMC in response to serum decreased age dependently and was higher in Agtr2(-) than in Agtr2(+), inversely correlating with AT2 receptor expression. However, serum-induced growth in Agtr2(+) and Agtr2(-) VSMC and the exaggerated Agtr2(-) VSMC growth was maintained even in the presence of PD123319 or losartan, an AT1 receptor blocker. Moreover, Agtr2(-) VSMC showed greater growth responses to platelet-derived growth factor and basic fibroblast growth factor, indicating that Agtr2(-) cells exhibit a generalized exaggerated growth phenotype. We studied the mechanism responsible for this phenotype and observed that extracellular signal-regulated kinase (ERK) activity was higher in Agtr2(-) VSMC at baseline and also in response to serum. ERK kinase inhibitor PD98059 inhibited both growth and ERK phosphorylation dose-dependently, while the regression lines between growth and ERK phosphorylation were identical in Agtr2(+) and Agtr2(-) VSMC, suggesting that increased ERK activity in Agtr2(-) VSMC is pivotal in the growth enhancement. Furthermore, the difference in ERK phosphorylation between Agtr2(+) and Agtr2(-) was abolished by vanadate but not by okadaic acid, implicating tyrosine phosphatase in the difference in ERK activity. These results suggest that the AT2 receptor expression during the fetal vasculogenesis influences the growth phenotype of VSMC via the modulation of ERK cascade.
Label-Free Electrochemical Detection of the Specific Oligonucleotide Sequence of Dengue Virus Type 1 on Pencil Graphite Electrodes (2011)

A biosensor that relies on the adsorption immobilization of the 18-mer single-stranded nucleic acid related to dengue virus gene 1 on activated pencil graphite was developed. Hybridization between the probe and its complementary oligonucleotides (the target) was investigated by monitoring guanine oxidation by differential pulse voltammetry (DPV). The pencil graphite electrode was made of ordinary pencil lead (type 4B). The polished surface of the working electrode was activated by applying a potential of 1.8 V for 5 min. Afterward, the dengue oligonucleotides probe was immobilized on the activated electrode by applying 0.5 V to the electrode in 0.5 M acetate buffer (pH 5.0) for 5 min. The hybridization process was carried out by incubating at the annealing temperature of the oligonucleotides. A time of five minutes and concentration of 1 μM were found to be the optimal conditions for probe immobilization. The electrochemical detection of annealing between the DNA probe (TS-1P) immobilized on the modified electrode, and the target (TS-1T) was achieved. The target could be quantified in a range from 1 to 40 nM with good linearity and a detection limit of 0.92 nM. The specificity of the electrochemical biosensor was tested using non-complementary sequences of dengue virus 2 and 3.