Artigos científicos, teses e dissertações
Publicados nas melhores instituições de ensino

O sujeito pronominal nas tiras da Mafalda: uma análise contrastiva do sujeito nulo nas gramáticas do português brasileiro e do italiano

Proof of the sundering of Portuguese as spoken in Brazil and Portugal has been the subject of several investigations, which point out that Brazilian Portuguese displays a particular Null Subject behavior. This behavior is presumably due to a reduction of inflected forms in the in...

Ver documento
Sujeitos nulos, tópicos e a satisfação do EPP na aquisição de segunda língua: a influência do português brasileiro no inglês

This study focuses on language transfer, more specifically, on the interference of Brazilian Portuguese (BP) as the native language (L1) on the acquisition of English as a second language/foreign language (L2/FL). The phenomenon under investigation is the use of null vs. overt pr...

Ver documento
A natureza de AGR e suas implicações na ordem VS: um estudo comparativo entre o português brasileiro e o português europeu

In this thesis I do a comparative study between the Brazilian Portuguese Grammar (henceforth BP) and European Portuguese Grammar (henceforth EP) concerning to the word order, more specifically, with respect to the subject order in relation to the verb in finite declarative phrase...

Ver documento
PRB3 null mutations result in absence of the proline-rich glycoprotein Gl and abolish Fusobacterium nucleatum interactions with saliva in vitro.

The glycosylated proline-rich glycoprotein (Gl or PRG), a product of the PRB3 gene, is a major constituent of human parotid saliva. Important functions proposed for Gl include acting as a bacterial receptor. The Gl proteins of several subjects were typed by two polyacrylamide gel...

Ver documento
A perda do principio "evite pronome" no portugues brasileiro

Braz;lian Portuguese ;s undergo;ng a process of change;n the representat;on of the pronominal referenda/ subject, which clearly sets it apart from European Portuguese and the other pro-drop languages, such as Spanish and Italian. Such a change can be related to the reduction of t...

Ver documento
SUBJECT IN PORTUGUESE pronominal URUGUAYAN The border region BRAZIL - URUGUAY / O sujeito pronominal no português uruguaio da região fronteiriça Brasil - Uruguai

In this research we study the behavior of the pronominal subject in the Uruguayan Portuguese language (PU) spoken in the border region between Brazil and Uruguay (Santana do Livramento-Rivera). Associating some assumptions from the Theory of Principles and Parameters (CHOMSKY, 19...

Ver documento
SUBJECT ELLIPSIS IN EARLY CHILD LANGUAGE

Abstract This paper aims to discuss whether parametric analyses can account for missing subjects in child English. I review previous parametric analyses of missing subjects and present a new learning model built upon a more recent version of the Null Subject Parameter (Holmberg, ...

Ver documento
Stat1-independent regulation of gene expression in response to IFN-γ

Although Stat1 is essential for cells to respond fully to IFN-γ, there is substantial evidence that, in the absence of Stat1, IFN-γ can still regulate the expression of some genes, induce an antiviral state and affect cell growth. We have now identified many genes that are re...

Ver documento
Aprendendo o sujeito nulo na escola

Research shows that Brazilian Portuguese speakers no longer use the referential null subject. Such reduction is mainly caused by the reduction of the inflectional paridigm in Brazílian Portuguese. Nevertheless, a significant use of null pronominal subjects can still be found in w...

Ver documento
Evolutionary Analyses of DNA Sequences Subject to Constraints on Secondary Structure

Evolutionary models appropriate for analyzing nucleotide sequences that are subject to constraints on secondary structure are developed. The models consider the evolution of pairs of nucleotides, and they incorporate the effects of base-pairing constraints on nucleotide substitut...

Ver documento
The subject and object pronominal system in European portuguese and Brazilian portuguese acquisition / O sistema pronominal sujeito e objeto na aquisição do portugues europeu e do portugues brasileiro

Esta tese insere-se no quadro da Teoria Gerativa, mais especificamente nos modelos de Princípios e Parâmetros (Chomsky, 1981 e seguintes). O objetivo deste trabalho é verificar como se desenvolve o sistema pronominal sujeito e objeto na aquisição do Português Europeu (PE) e do Po...

Ver documento
Flagellar assembly in Caulobacter crescentus: a basal body P-ring null mutation affects stability of the L-ring protein.

The P- and L-rings are structural components of the flagellar basal body that are positioned in the periplasmic space and outer membrane, respectively. In order to explore the mechanism of P- and L-ring assembly, we examined the effect of a null mutation in the gene encoding the ...

Ver documento
Null subject in the history of the Portuguese of São Paulo: 1878-1947 / Sujeito nulo na história do português de São Paulo: 1878-1947

Este trabalho analisa diacronicamente o parâmetro do sujeito nulo no português do Brasil, mediante a utilização de documentação jurídica - mais especificamente, os depoimentos prestados em processos e inquéritos policiais. Defendemos que esse tipo de documentação consiste em sign...

Ver documento
A natureza do sujeito nulo na diacronia do PB : estudo de um corpus mineiro (1845-1950) / The nature of null subject in diacronic BP : a study on a corpus from Minas Gerais (1845-1950)

Nesse trabalho serão apresentados os resultados e as análises da distribuição do número de sujeitos nulos e sujeitos realizados (pronominais e/ou lexicais anafóricos) em textos diacrônicos do Português Brasileiro (doravante PB). O corpus montado para a pesquisa foi composto por j...

Ver documento
Estimação adaptativa de parametros atraves de minimos quadrados sujeitos a restrições lineares de igualdade

This work is concerned with the adaptive parameter estimation via linear least-squares subject to linear equality constraints. Recursive algorithms are proposed for solution of least-squares problems with exponential data weighting and sliding data window, by combining normal equ...

Ver documento
A estrutura tópico-comentário no português brasileiro: a organização informacional da sentença

The present study aims at analyzing sentence constructions of commentary topic , marked-topic and unmarked topic in textual productions of students attending the last four years of elementary education in a public school located in a poor community in the West zone of Rio de Jane...

Ver documento
Positive Control of Swarming, Rhamnolipid Synthesis, and Lipase Production by the Posttranscriptional RsmA/RsmZ System in Pseudomonas aeruginosa PAO1†

In Pseudomonas aeruginosa, the small RNA-binding, regulatory protein RsmA is a negative control element in the formation of several extracellular products (e.g., pyocyanin, hydrogen cyanide, PA-IL lectin) as well as in the production of N-acylhomoserine lactone quorum-sensing sig...

Ver documento
Portugues brasileiro como segunda lingua : um estudo sobre o sujeito nulo / Brazilian portuguese as a second language : a null subject study

Este estudo objetiva investigar como se dá a aquisição do sujeito nulo do português brasileiro (PB) como segunda língua (L2) por adultos estrangeiros, falantes nativos de Inglês e Italiano em situação de imersão total. A pesquisa desenvolve-se no âmbito da gramática gerativa, den...

Ver documento
Eyes or patients? Traps for the unwary in the statistical analysis of ophthalmological studies.

In reports on ophthalmological research the results of measurements on the eye are often expressed as mean and standard deviation based on m patients, n eyes (n greater than m). This approach leads to t tests that are invalid because the measurements on the two eyes of one subjec...

Ver documento
Hypercatabolism of C3 and C4 in active and inactive systemic lupus erythematosus.

The metabolism of the complement proteins C3 and C4 was studied in patients with active and inactive systemic lupus erythematosus (SLE) using highly purified, functionally active preparations. Nine patients with active and eight with inactive SLE were examined and 11 control subj...

Ver documento
1 / 4