Imunização de camundongos com "vacina" viva avirulenta do Trypanosoma cruzi: III. variação do meio de cultura

Os autores demonstram através de testes em camundongos que variando o meio de cultivo a avirulência da cepa Y, cultivada, do Trypanosoma cruzi se conserva inalterada. Diante da possibilidade de que se trate de um mutante da mesma linhagem Y virulenta, mantida em animais, sugerem a designação de PF (Pedreira de Freitas) para essa nova cepa.

Quand le film raconte l'image. Variations cinématographiques autour de La Cène de Léonard de Vinci

Partant de l'hypothèse qu'au cinéma, un plan travaillé à la manière d'un tableau engage non pas un arrêt du récit, mais un enrichissement de la logique narrative linéaire du film par une sémiotique tabulaire et des jeux de références intermédiales, cet article analyse le cas exemplaire et récurrent des plans qui reconstituent en « tableau vivant » La Cène de Léonard de Vinci. Christus (Giulio Antamoro, 1914-1916), Ben Hur, a tale of the Christ (Fred Niblo, 1925) ou Quo Vadis (Mervyn LeRoy, 1951) y sont explorés, ainsi que d'autres productions qui replacent la composition du Cenacolo à la fois en une « phase » et une « stase » dramatique et esthétique du récit christique. Des films tels que Viridiana (Luis Buñuel, 1961) sont aussi évoqués, qui font apparaître la composition comme une pause allégorique d'un récit contemporain, enrichi sur un plan énonciatif, symbolique et iconographique.

Implant image quality in dental radiographs recorded using a customized imaging guide or a standard film holder

Objective: To compare a customized imaging guide and a standard film holder for obtaining optimally projected intraoral radiographs of dental implants.Material and methods: Intraoral radiographs of four screw-type implants with different inclination placed in an upper or lower dental phantom model were recorded by 32 groups of examiners after a short instruction in the use of the RB-RB/LB-LB mnemonic rule. Half of the examiners recorded the images using a standard film holder and the other half used a customized imaging guide. Each radiograph was assessed under blinded conditions with regard to rendering of the implant threads and was assigned to one of four quality categories: (1) perfect, (2) not perfect, but clinically acceptable, (3) not acceptable, and (4) hopeless.Results: For the upper jaw, the same number of exposures per implant were made to achieve an acceptable image (P = 0.86) by the standard film holder method (median = 2) and the imaging guide method (median = 2). For the lower jaw, medians for the imaging guide method and the film holder method were 1 and 2, respectively (P = 0.004). For the imaging guide method, the first exposure was rated as perfect/acceptable in 62% of the cases and for the film holder method in 41% of the cases (P = 0.013). After <= 2 exposures, 78% (imaging guide method) and 69% (film holder method) of the implant images were perfect/acceptable (P=0.23). The implant inclination did not have a major influence on the outcomes.Conclusion: Perfect or acceptable images were achieved after two exposures with the same frequency either using a customized imaging guide method or a standard film holder method. However, the use of a customized imaging guide method was overall significantly superior to a standard film holder method in terms of obtaining perfect or acceptable images with only one exposure.

Measurements of simulated periodontal bone defects in inverted digital image and film-based radiograph: An in vitro study

Purpose: This study was performed to compare the inverted digital images and film-based images of dry pig mandibles to measure the periodontal bone defect depth. Materials and Methods: Forty 2-wall bone defects were made in the proximal region of the premolar in the dry pig mandibles. The digital and conventional radiographs were taken using a Schick sensor and Kodak F-speed intraoral film. Image manipulation (inversion) was performed using Adobe Photoshop 7.0 software. Four trained examiners made all of the radiographic measurements in millimeters a total of three times from the cementoenamel junction to the most apical extension of the bone loss with both types of images: inverted digital and film. The measurements were also made in dry mandibles using a periodontal probe and digital caliper. The Student's t-test was used to compare the depth measurements obtained from the two types of images and direct visual measurement in the dry mandibles. A significance level of 0.05 for a 95% confidence interval was used for each comparison. Results: There was a significant difference between depth measurements in the inverted digital images and direct visual measurements (p>|t|=0.0039), with means of 6.29 mm (IC95%:6.04-6.54) and 6.79 mm (IC95%:6.45-7.11), respectively. There was a non-significant difference between the film-based radiographs and direct visual measurements (p>|t|=0.4950), with means of 6.64mm (IC95%:6.40-6.89) and 6.79mm(IC95%:6.45-7.11), respectively. Conclusion: The periodontal bone defect measurements in the inverted digital images were inferior to film-based radiographs, underestimating the amount of bone loss. copy; 2012 by Korean Academy of Oral and Maxillofacial Radiology.

Corpo e cultura: culto ao corpo e vigorexia

Currently the company suffers a heavy influence of media, through their tentacles people are reached and clawed into a consumerist context, and the reason for the success of this market share is linked to aesthetics. An ideal beauty standard is followed, aimed at recognizing social, emotional success, professional and loving. Thus, people are accustomed from his childhood with the image of a perfect prince or princess, heroes that is becoming increasingly more muscular and developed throughout the evolution of cinema. While the aesthetic perfection is internalized by society and see that this beauty is not a particular good for some people, but everyone should become pretty standard to suit hence those who do not fit this stereotype are somehow excluded from the circle of society standard. One way people try to develop and hone the look is through weight training exercises in specialized academies. The problem is when it appears not the contentment of the individual in relation to his body. Even when your muscles are increasing, for the person who suffers from Vigorexia changes are significant to the point never to be content with their state of development, which is seen distorted and underestimated. Thus this paper aims to describe the situation and how the routine Vigorexia context and people are distorted to suit the aesthetic and social demands that are made, through a literature search on the muscle dysmorphia. It is of paramount importance to know the pathological picture of Vigorexia not only by professionals of Psychology, Psychiatry and Medicine, but also for Physical Educators that are constantly present in an active and that can positively or negatively influence the routine and pathological picture of these people with Muscular Dysmorphia

Discapacidad, cultura física y eugenesia en la revista Viva Cien Años (1934-1945)

Si intentamos conocer qué propuestas de cultura física predominaban en Argentina en los inicios del siglo XX para sujetos con discapacidad, encontramos esta condición asociada a otras características consideradas indeseables en la población con base en teorías eugenésicas. Diversas corrientes ideológicas abrazaban la idea de una reproducción cualitativa de la población, inspiradas en la vertiente de eugenesia francesa neolamarckiana y del italiano N. Pende. Es sobre todo en los años 30, con el nacionalismo católico en el poder de facto, que se articularon de manera sistemática algunas tecnologías eugenésicas para prevenir la degeneración de la raza, en pos de la construcción de una "raza argentina" sana y fuerte que pudiera ser sustento del "ser nacional?, proponiendo un activo papel del Estado y una creciente medicalización de la población. Algunas tecnologías biopolíticas educacionales y sanitarias de corte eugenésico propuestas por entonces pueden rastrearse en revistas como El Monitor de la Educación Común, o los Anales de la AABEMS. Aquí me propongo examinar en la revista Viva Cien Años, publicación de divulgación sobre temas de salud que comenzó a editarse en 1934, qué representaciones sociales iban forjando en el imaginario colectivo los profesionales de la salud acerca de los sujetos con discapacidades, y qué propuestas de cultura física planteaban en relación con determinada idea de sujeto deseable y de anormalidad

Discapacidad, cultura física y eugenesia en la revista Viva Cien Años (1934-1945)

Si intentamos conocer qué propuestas de cultura física predominaban en Argentina en los inicios del siglo XX para sujetos con discapacidad, encontramos esta condición asociada a otras características consideradas indeseables en la población con base en teorías eugenésicas. Diversas corrientes ideológicas abrazaban la idea de una reproducción cualitativa de la población, inspiradas en la vertiente de eugenesia francesa neolamarckiana y del italiano N. Pende. Es sobre todo en los años 30, con el nacionalismo católico en el poder de facto, que se articularon de manera sistemática algunas tecnologías eugenésicas para prevenir la degeneración de la raza, en pos de la construcción de una "raza argentina" sana y fuerte que pudiera ser sustento del "ser nacional?, proponiendo un activo papel del Estado y una creciente medicalización de la población. Algunas tecnologías biopolíticas educacionales y sanitarias de corte eugenésico propuestas por entonces pueden rastrearse en revistas como El Monitor de la Educación Común, o los Anales de la AABEMS. Aquí me propongo examinar en la revista Viva Cien Años, publicación de divulgación sobre temas de salud que comenzó a editarse en 1934, qué representaciones sociales iban forjando en el imaginario colectivo los profesionales de la salud acerca de los sujetos con discapacidades, y qué propuestas de cultura física planteaban en relación con determinada idea de sujeto deseable y de anormalidad

Discapacidad, cultura física y eugenesia en la revista Viva Cien Años (1934-1945)

Si intentamos conocer qué propuestas de cultura física predominaban en Argentina en los inicios del siglo XX para sujetos con discapacidad, encontramos esta condición asociada a otras características consideradas indeseables en la población con base en teorías eugenésicas. Diversas corrientes ideológicas abrazaban la idea de una reproducción cualitativa de la población, inspiradas en la vertiente de eugenesia francesa neolamarckiana y del italiano N. Pende. Es sobre todo en los años 30, con el nacionalismo católico en el poder de facto, que se articularon de manera sistemática algunas tecnologías eugenésicas para prevenir la degeneración de la raza, en pos de la construcción de una "raza argentina" sana y fuerte que pudiera ser sustento del "ser nacional?, proponiendo un activo papel del Estado y una creciente medicalización de la población. Algunas tecnologías biopolíticas educacionales y sanitarias de corte eugenésico propuestas por entonces pueden rastrearse en revistas como El Monitor de la Educación Común, o los Anales de la AABEMS. Aquí me propongo examinar en la revista Viva Cien Años, publicación de divulgación sobre temas de salud que comenzó a editarse en 1934, qué representaciones sociales iban forjando en el imaginario colectivo los profesionales de la salud acerca de los sujetos con discapacidades, y qué propuestas de cultura física planteaban en relación con determinada idea de sujeto deseable y de anormalidad

The duty of executors and administrators ... shewing also who are entitled by law to be the administrators of an intestate person : with full and clear directions to a man's relations how his estate will be distributed among them, according to the laws of South-Carolina. To which are prefixed, all the statutes and acts relative to these subjects, Mr. Blackstone's rules for interpreting wills and deeds, and a table of inheritance, with a concise and easy explanation thereof. To which is added, a variety of precedents of wills, codicils,&c., with instructions for every person to make, alter and republish his will; and likewise, all the forms made use of in the Court of ordinary.

Mode of access: Internet.

Comparison between graticule and image capture assessment of lower tear film meniscus height

Purpose: To compare graticule and image capture assessment of the lower tear film meniscus height (TMH). Methods: Lower tear film meniscus height measures were taken in the right eyes of 55 healthy subjects at two study visits separated by 6 months. Two images of the TMH were captured in each subject with a digital camera attached to a slit-lamp biomicroscope and stored in a computer for future analysis. Using the best of two images, the TMH was quantified by manually drawing a line across the tear meniscus profile, following which the TMH was measured in pixels and converted into millimetres, where one pixel corresponded to 0.0018 mm. Additionally, graticule measures were carried out by direct observation using a calibrated graticule inserted into the same slit-lamp eyepiece. The graticule was calibrated so that actual readings, in 0.03 mm increments, could be made with a 40× ocular. Results: Smaller values of TMH were found in this study compared to previous studies. TMH, as measured with the image capture technique (0.13 ± 0.04 mm), was significantly greater (by approximately 0.01 ± 0.05 mm, p = 0.03) than that measured with the graticule technique (0.12 ± 0.05 mm). No bias was found across the range sampled. Repeatability of the TMH measurements taken at two study visits showed that graticule measures were significantly different (0.02 ± 0.05 mm, p = 0.01) and highly correlated (r = 0.52, p < 0.0001), whereas image capture measures were similar (0.01 ± 0.03 mm, p = 0.16), and also highly correlated (r = 0.56, p < 0.0001). Conclusions: Although graticule and image analysis techniques showed similar mean values for TMH, the image capture technique was more repeatable than the graticule technique and this can be attributed to the higher measurement resolution of the image capture (i.e. 0.0018 mm) compared to the graticule technique (i.e. 0.03 mm). © 2006 British Contact Lens Association.

Efeitos da cobertura do solo com filme de polietileno azul no consumo de água da cultura da alface cultivada em estufa

The covering of the soil is an agricultural practice that intends to control the harmful herbs, to reduce the losses of water by evaporation of the soil, and to facilitate the harvest and the commercialization, once the product is cleaner and healthier. However, when the soil is covered important microclimatic parameters are also altered, and consequently the germination of seeds, the growth of roots, the absorption of water and nutrients, the metabolic activity of the plants and the carbohydrates storage. The current trial intended to evaluate the effect of soil covering with blue colored film on consumptive water-use in a lettuce crop (Lactuca sativa, L.). The experiment was carried out in a plastic greenhouse in Araras - São Paulo State, Brazil from March 3rd, 2001 to May 5th, 2001. The consumptive water-use was measured through two weighing lysimeter installed inside the greenhouse. Crop spacing was 0.25 m x 0.25 m and the color of the film above soil was blue. Leaf area index (IAF), was measured six times (7; 14; 21; 28; 35; 40 days after transplant) and the water-use efficiency (EU) was measured at the end. The experimental design was subdivided portions with two treatments, bare soil and covered soil. The average consumptive water-use was 4.17 mm day-1 to the bare soil treatment and 3.11 mm day-1 to the covered soil treatment. The final leaf area index was 25.23 to the bare soil treatment and 24.39 to the covered soil treatment, and there was no statistical difference between then.

Sociedade, cultura, matemática e seu ensino

One of the effects of the globalized world is a strong tendency to eliminate differences, promoting a planetary culture. Education systems are particularly affected, undergoing strong pressure from international studies and evaluations, inevitably comparative, and sadly competitive. As a result, one observes the gradual elimination of cultural components in the definition of education systems. The constitution of new social imaginaries becomes clear; imaginaries empty of historical, geographical and temporal referents, characterized by a strong presence of the culture of the image. The criteria of classification establish an inappropriate reference that has as its consequence the definition of practices and even of education systems. On the other hand, resistance mechanisms, often unconscious, are activated seeking to safeguard and recover the identifying features of a culture, such as its traditions, cuisine, languages, artistic manifestations in general, and, in doing so, to contribute to cultural diversity, an essential factor to encourage creativity. In this article, the sociocultural basis of mathematics and of its teaching are examined, and also the consequences of globalization and its effects on multicultural education. The concept of culture is discussed, as well as issues related to culture dynamics, resulting in the proposition of a theory of transdisciplinar and transcultural knowledge. Upon such basis the Ethnomathematics Program is presented. A critique is also made of the curriculum presently used, which is in its conception and detailing, obsolete, uninteresting and of little use. A different concept of curriculum is proposed, based on the communicative (literacy), analytical (matheracy), and material (technoracy) instruments.

Educação fisica, escola e cultura : o enredo das diferenças

Universidade Estadual de Campinas . Faculdade de Educação Física

Corporeidade e cultura amazonica : re-flexões a partir do passaro junino do Para

Universidade Estadual de Campinas . Faculdade de Educação Física