História, filosofia e espaços: a idéia de ocidente em Oswald Spengler

This article claim to estabilish a epistemologic discourse from the science history´s point of view in a moment where its statute,methods , approachs and possibility conditions, in history´s crisis period, depares itself in risk, as universitary institutions as european´s social imagination about knowing for excellence. Our spotlight though is the concept of space, a strong question to a timeless snip, once philosophy and History renounced this concept due to the time question, so commum used until nowdays in both discourses. From this perspective, we search to elucidate Spengler´s history and space point of view, attempting to the occidental idea produced by the author, tapping to the symbolical and discursive dynamics and its dialogic relation with westerner´s political and cultural in the end of XIX century toward second great war. Thereby Spengler´s effort was always crucial to define concepts of history, science, art, space,civilizations, culture, city, country and mainly discussing spenglerian relation to social-political facts that sorrounded him. And finally, his project of cientific revolution, which was displayed by Spengler as a challenge to History of science´s paradigm

Characteristics of the biological cycle of lutzomyia evandroi Costa Lima & Antunes, 1936 (diptera: psychodidae) under experimental conditions

XIMENES, Maria de Fátima Freire de Melo; MACIEL, Janaína Cunha; JERONIMO, Selma Maria Bezerra. Characteristics of the Biological Cycle of Lutzomyia evandroi Costa Lima & Antunes, 1936 (diptera: psychodidae) under experimental conditions. Memorias do Instituto Oswaldo Cruz, Rio de Janeiro, v.96, n.6, p.883-886, ago. 2001. Disponivel em: Acesso em: 4 out. 2010.

Isolamento de uma quitinase extraída do cefalotórax do camarão marinho Litopenaeus schmitti (BURKENROAD, 1936) : avaliação de suas atividades antimicrobiana e larvicida

Chitinases are enzymes involved in degradation of chitin and are present in a range of organisms, including those that do not contain chitin, such as bacteria, viruses, plants and animals, and play important physiological and ecological roles. Chitin is hydrolyzed by a chitinolytic system classified as: endo-chitinases, exo-chitinases and N-acetyl-b-D-glucosaminidases. In this study a Litochitinase1 extracted from the cephalotorax of the shrimp Litopenaeus Schmitt was purified 987.32 times using ionexchange chromatography DEAE-Biogel and molecular exclusion Sephacryl S-200. These enzyme presented a molecular mass of about 28.5 kDa. The results, after kinetic assay with the Litochitinase1 using as substrate p-nitrophenyl-N-acetyl-b-Dglucosaminideo, showed apparent Km of 0.51 mM, optimal activity at pH ranging from 5.0 to 6.0, optimum temperature at 55°C and stability when pre-incubated at temperatures of 25, 37, 45, 50 and 55°C. The enzyme showed a range of stability at pH 4.0 to 5.5. HgCl2 inhibited Litochitinase1 while MgCl2 enhances its activity. Antimicrobial tests showed that Litochitinase1 present activity against gram-negative bacterium Escherichia coli in the 800 μg/mL concentration. The larvicidal activity against Aedes aegypti was investigated using crude extracts, F-III (50-80%) and Litochitinase1 at 24 and 48 hours. The results showed larvicidal activity in all these samples with EC50 values of 6.59 mg/mL for crude extract, 5.36 mg/mL for F-III and 0.71 mg/mL for Litochitinase1 at 24 hours and 3.22 and 0.49 mg/mL for the F-III and Litochitinase1 at 48 hours, respectively. Other experiments confirmed the presence of chitin in the midgut of Aedes aegypti larvae, which may be suffering the action of Litochitinase1 killing the larvae, but also the absence of contaminating proteins as serine proteinase inhibitors and lectins in the crude extract, F-III and Litochitinase1, indicating that the death of the larvae is by action of the Litochitinase1. We also observed that the enzymes extracted from intestinal homogenate of the larvae no have activity on Litochitinase1. These results indicate that the enzyme can be used as an alternative to control of infections caused by Escherichia coli and reducing the infestation of the mosquito vector of dengue.

A Associação Cultural Itapetinguense: um projeto de emancipação educacional e política para uma vila (1936-1961)

Este trabajo de pesquisa posee um carácter histórico y documental, teniendo como objetivo la Associação Cultural Ipapetinguense fundada em el año de 1936, por la dedicación de los hombres de la élite ganadera se congregarem para la lectura de los periódicos existentes en aquella época en la villa de Itatinga, actualmente la ciudad de Itapetinga (BA). Conocer la ACI, representó evidenciar sus proyectos direccionados para la cultura y la enseñanza, desde su comienzo hasta el año de 1961, analizando los conocimientos vinculados en esos proyectos. Entre los mismos, examiamos detalladamente a Biblioteca Dr. Orlando Bahia y las iniciativas realizadas para la enseñanza: la Escola da ACI, el Curso de Ciências, Letras e Artes, el Ginásio Alfredo Dutra y la Escola Normal Juvino Oliveira, desde el punto de vista de los conocimientos socializados en estas acciones. Entendemos que estos saberes fueron sembrados por la lectura de los libros da la Biblioteca Dr. Orlando Bahia, lo que nos hizo analizar el acervo de la misma, para así percibir que estos libros fueroan los testigos de los conocimientos de los maestros en quel período de la história de la educación en Itapetinga. Ellos fueron y todavia son, no sólo, los portadores de los contenidos y de los saberes enseñados, mas los reveladores de un proyeto de la emancipación educativa y política para la villa de Itapetinga. Estudiar la história de la Associação Cultural Itapetinguense, sus proyetos dedicados para la cultura y para la educación nos ofreció la posibilidad de conocer la villa de Itapetinga y su trayectoria económica y social, su desarrollo cultural y el camino recorrido en su emancipación educativa y política. De esta manera, las acciones culturales y educativas impulsionadas por la ACI y direccionadas hacia la villa fueroan la posibilidad del progreso, del esclarecimiento y confirmación de uma élite en el ámbito económico y social local y de aumento en el ámbito de los conocimientos y de la educación formal del pueblo en su sentido amplio. Las fuentes citadas para la pesquisa fueron, fundamentalmente, los libros de las actas y los estatutos de la ACI, periódicos locales, y libros de registros de préstamo de la Biblioteca Dr. Orlando Bahia, además de todas las comunicaciones orales em las charlas realizadas

O desejo, o relato e a prática da cidade: de como são produzidos territórios marginais na cidade do príncipe (1880 - 1900)

The theme of this work is the study of marginal territories of the Cidade do Príncipe, sketch in time than today is constituted as the city of Caicó/RN, with the time frame the years 1880 to 1900. Our goal is to investigate the construction of these territories from multiple speech subjects practitioners of the city. Thus, we propose to discover the mapping of the deviation in the city in question, as they were drawn, those who experienced and through which practices. Investigate the construction of these spaces from the speeches, and fill a historiographical gap, allows to find stories sharp, silenced or ignored, abortions and madness in prison, repressed passions and avenged. To meet these spaces the sources are diverse, such as the newspaper O Povo, the Codes of posture, the Reports of Presidents and Heads of Provincial Police and process-crime. Regarding the methodological aspects of research, we decided by discourse analysis, discourse here conceived not only as what is said about someone or something, but as a set of statements circulating at any given time in society, articulating speech, intentions, actions and thought. The city is then considered from their territories, imagined as a space configured in/by the relations power that the dispute, but also as a space for experiences multiple, different feelings, place and non-place, the discipline and mockery, of power and resistance.