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Submissões Recentes

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Daqui, declamo
(Edufes, 2024) Sales, Ezequiel Pereira de
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Autocombustão humana
(Edufes, 2024) Paula, Júlio Cesar Machado de
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Potencialidades de duas espécies de bambu (Bambusa vulgaris e Dendrocalamus giganteus) para produção de pisos engenheirados do tipo multilaminado
(Universidade Federal do Espírito Santo, 2024-05-29) Nicacio, Marcos Alves; Gonçalves, Fabricio Gomes ; https://orcid.org/0000-0003-2010-9508; http://lattes.cnpq.br/0616694853822879; Chaves, Izabella Luzia Silva ; https://orcid.org/0000-0002-3808-0136; http://lattes.cnpq.br/1057676508843699; Paes, Juarez Benigno ; https://orcid.org/0000-0003-4776-4246; http://lattes.cnpq.br/3454401627877927; https://orcid.org/0000-0001-5530-3154; http://lattes.cnpq.br/3271895926396491; Oliveira, Ana Karla Freire de ; https://orcid.org/0000-0002-8426-9845; http://lattes.cnpq.br/2474180545352415; Brito, Flávia Maria Silva ; https://orcid.org/0000-0002-6834-8666; http://lattes.cnpq.br/1947816892395112; Martinez Lopez, Yonny ; https://orcid.org/0000-0001-7141-4823; http://lattes.cnpq.br/4179162228704577; Segundinho, Pedro Gutemberg de Alcântara ; https://orcid.org/0000-0002-4393-8686; http://lattes.cnpq.br/0125088071269647
Bamboo, used for years in Asia for various applications, is underutilized and undervalued in Brazil, often associated with temporary constructions and poverty. This has deterred financial investments and the interest of the scientific community in exploring its potential in various projects. This study aimed to evaluate the potential of two bamboo species, Bambusa vulgaris Schrad. ex J.C. Wendl. and Dendrocalamus giganteus Munro, for engineered flooring production. Thermal treatments were conducted at temperatures of 140°C, 170°C, and 200°C, along with chemical treatments using boric acid, sodium borate, and sodium octaborate. Colorimetric analyses were performed using the Commission Internacionale L'Eclairage - CIE L* a* b* system (L* - light-dark, a* - red green, and b* - yellow-blue), along with tests involving drywood and subterranean termites, and simulations of flooring use, including abrasion, rolling load, and impact tests. Thermal treatments resulted in significant changes in the properties of B. vulgaris and D. giganteus bamboos, including a reduction in mass loss and increases in ash and total extractive contents, particularly at 200°C. Additionally, there was progressive darkening of the material and alterations in color coordinates (L*, a*, b*), with more pronounced effects at higher temperatures. However, thermal treatments proved less effective that those chemical treatments against termites. In flooring simulation tests, thermal treatments yielded lower values overall, except in abrasion tests where most of them performed comparably to the durability standard of tropical hardwood floors. In conclusion, the engineered bamboo flooring tested presents viable alternatives for residential use, except for the 200°C thermal treatment
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Avaliação do uso de fatores de ressuscitação no sistema BACTEC MGIT 960 para detecção de Mycobacterium tuberculosis em amostras paucibacilares
(Universidade Federal do Espírito Santo, 2000-10-24) Araújo, Filipe Augusto Coimbra de; Palaci, Moisés ; https://orcid.org/0000-0003-2013-6071; http://lattes.cnpq.br/2602694352713051; https://orcid.org/0000-0002-9256-7391; http://lattes.cnpq.br/3004156583114119; Ferrazoli, Lucilaine ; https://orcid.org/0000-0002-5389-7056; http://lattes.cnpq.br/8786839834967611; Tavares, Sarah Gonçalves; https://orcid.org/0000-0003-4170-4445; http://lattes.cnpq.br/1018708169217296
The dormancy of Mycobacterium tuberculosis (Mtb) challenges laboratory diagnosis, as dormant subpopulations are not easily detected by conventional methods. The objective of this study was to evaluate the use of culture filtrate (CF) in the BACTEC MGIT 960 system to improve the detection of Mtb in 245 paucibacillary clinical samples from patients suspected of having tuberculosis (TB). The study compared samples inoculated in MGIT medium with and without the addition of Mtb CF. The results showed that the addition of CF increased the sensitivity of the test, particularly in extrapulmonary samples, with sensitivity and specificity for MGIT+CF being 97.50% and 97.86%, respectively. In comparison, the Xpert MTB/RIF Ultra presented a sensitivity of 60.53% and a specificity of 93.97%, while the egg-based medium showed 40% sensitivity and 91% specificity. Furthermore, the use of CF increased the frequency of contamination in liquid cultures and did not alter the time to positivity of MGIT. These findings suggest that the use of CF may be a promising tool for enhancing the accuracy of TB diagnosis in samples with low bacterial load
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Escolas multisseriadas de Rio Bananal/ES : ressignificando concepções e reinventando práticas pedagógicas
(Universidade Federal do Espírito Santo, 2024-09-18) Picoli, Alessandra Altoé Ferreira; Amaral, Débora Monteiro do ; https://orcid.org/0000-0002-8397-864X; http://lattes.cnpq.br/8600829409961701; https://orcid.org/0009-0009-4609-4536; http://lattes.cnpq.br/2886584930213496; Gerke, Janinha ; https://orcid.org/0000-0002-6903-8125; http://lattes.cnpq.br/4245026471647635; Batista, Maria do Socorro Xavier ; https://orcid.org/0000-0002-7202-1041; http://lattes.cnpq.br/6786292528944682
This dissertation study belongs to the Professional Postgraduate Program in Education of the Federal University of Espírito Santo, in the area of Concentration: Educational Practices, Diversity and School Inclusion. Its central intention is to understand the Multigrade Schools of the Countryside as a concrete possibility of guaranteeing the right of students to a quality education in/from the countryside, identifying the challenges that arise in the practices of teachers of the Multigrade Schools of the Municipality of Rio Bananal, in Espírito Santo (ES). The research was developed in the Multigrade Schools of the Countryside – Elementary Education – initial years, of the municipality of Rio Bananal/ES, initially involving 28 teachers. In this journey, we sought to base ourselves on the pertinent dialogues between Freire (1987, 1996), who presents education as an intervention capable of transforming realities in a meaningful, democratic, reflective and supportive way, ultimately, humanizing, enabling the emancipation of students; Caldart, Kolling and Cerioli (2002), whose work organized by them brings contributions related to Rural Education aimed at rural communities; Arroyo and Fernandes (1999), who present considerations regarding education in the context of multi-grades and, last but not least, the book organized by Antunes-Rocha and Hage (2015), which expresses the reality of Multi-grade Schools in the countryside. Regarding the methodology, it was decided to develop a qualitative research. To this end, bibliographic research, participant observation, field diary and questionnaire with closed and open questions were used. The purpose of this research was to understand the challenges faced by educators in Multi-grade Schools in the countryside, in the municipality of Rio Bananal. The results brought significant points, among which the lack of initial and continuing training to teach in multi-grade classrooms and the recognition of this need by the teachers stood out. Analyzing the context of the responses and with the aim of contributing, the educational product consists of a training proposal for teachers who work in the Multigrade Schools of the Countryside. A dialogic training that provides the participants with the opportunity to learn about the history of Rural Education and Freire's concepts involving humanization, problem-solving education, dialogue and generating themes. Furthermore, through practical activities resulting from these meetings, it enables reflection and reinvention of practice, based on the perception of contradictory situations in daily teaching practice in the classroom. Thus, it is expected that the provocation arising from the training will awaken a critical, dialogic and emancipatory educational vision, in which there is the possibility of work that approaches the concepts addressed, favoring the humanizing training of students in the Multigrade Schools of the Countryside, in the municipality of Rio Bananal