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Microestrutura e propriedades mecânicas da liga Al7SiMg contaminada com 2,8%Fe e processada por fusão seletiva a laser
(Universidade Federal de São Carlos, 2022-06-28)
Pereira, Leandro Henrique
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Bolfarini, Claudemiro
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https://lattes.cnpq.br/9231627080617037
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Botta Filho, Walter José
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https://lattes.cnpq.br/8956458007749112
The solidification kinetics imposed by Selective Laser Melting (SLM) leads the microstructure of the manufactured metallic components to present intrinsic characteristics such as: microstructural and phase refinement, elements in solid solution and columnar grains. The columnar grains formation during solidification can lead to hot cracking, as occur in the majority aluminum alloys, except for hypoeutectic alloys Al-10Si-0.6Mg, and Al-7Si-0.7Mg (%wt), which are commercial alloys widely used in SLM processes. Iron contamination occurs on a large scale in aluminum alloys and causes the formation of undesirable intermetallic phases, restricting the processing of these alloys. Therefore, the aluminum alloy Al-7Si-0.7Mg (%wt) was used as feedstock in this study, which 2.8 %wt of Fe was added. It is widely known in the literature that Fe has low solubility limit in aluminum matrix, and its presence must be carefully controlled. Iron content higher than solubility limit in AlSi alloys contribute to the formation of AlSiFe intermetallics with platelet-like morphology, which are responsible for degradation of mechanical properties. The Al-7Si-0.7Mg-2.8Fe alloy was obtained by Conventional Casting (CC), and processed by gas atomization and SLM. This study showed that the SLM processes is able to mitigate the deleterious effects caused by Fe-rich intermetallics on the mechanical properties of the Al-7Si-0.7Mg-2.8Fe alloy. Providing microstructural refinement, and rounding of AlFeSi phases and silicon particles, and appreciable amount of Si and Mg in solid solution, the alloy processed by SLM achieved excellent mechanical properties compared to the conventional casting alloy, and equivalents compared to Al-7Si-0.7Mg alloys with commercial composition present in the literature without iron contamination. The study opens up the possibility of expanding the use of primary aluminum alloys that suffer iron contamination, representing a new high added-value recycling route.
Obtenção de poliploides in vivo e in vitro de Brassolaeliocattleya
(Universidade Federal de São Carlos, 2022-06-28)
Vilcherrez Atoche, Joe Abdul
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Mondin, Mateus
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https://lattes.cnpq.br/6229715042794538
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Cardoso, Jean Carlos
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https://lattes.cnpq.br/3681181863704059
Cattleya is one of the genera of tropical orchids with great importance for the flower market due to the size and color of its flowers. However, problems such as its long vegetative and juvenile period, as well as the short shelf life of its flowers, make it difficult for its commercial insertion, when compared to other orchid genera of greater commercial importance. The artificial induction of polyploids can result in the incorporation of agronomic and ornamental characteristics of interest in Cattleya hybrids, such as Brassolaeliocattleya. Colchicine is the most commonly used alkaloid to generate polyploidy in plants due to its antimitotic properties, but at the same time it produces phytotoxic effects on plant material, requiring specific studies for different plant genotypes. Thus, the present work aimed to develop an efficient protocol for the production of polyploid plants from the progeny of Blc. Haw Yuan Beauty x Blc. Goldenzelle "LC" having as factors the types of explants, concentrations and exposure times to colchicine. In addition, we also studied the effects of colchicine exposure on different types of explants in Blc. Haw Yuan Beauty x Blc. Goldenzelle "LC" progeny. Colchicine produced several effects on the in vitro development of seeds, protocorms and seedlings of the progeny of Blc. Haw Yuan Beauty x Blc. Goldenzelle “LC”, where the different responses of explants to the alkaloid depended on concentrations, exposure times and interactions between both factors. Seeds, protocorms and seedlings of the progeny of Blc. Haw Yuan Beauty x Blc. Goldenzelle “LC” resulted in a polyploidization efficiency of 3.21%; 13.46% and 22.08%, respectively, analyzed by flow cytometry. Regarding the frequencies of polyploidy in seeds, the treatments 6 h/0.08%, 18 h/0.04% and 18 h/0.06% had polyploidy frequencies of 13%, 25% and 25% respectively. For the protocorms, treatments 6 h/0.04% and 18 h/0.08% resulted in the highest frequencies of polyploids of 46% and 44%, respectively. For seedlings, treatments 6 h/0.04%, 12 h/0.04%, 24 h/0.02% and 24 h/0.08% generated frequencies equal to or greater than 50%. Chromosomal analysis estimates showed that Blc. Haw Yuan Beauty and Blc. Goldenzelle “LC” and the progeny of Blc. Haw Yuan Beauty x Blc. Goldenzelle "LC" had 70 chromosomes, while the progeny of Blc. Haw Yuan Beauty x Blc. Goldenzelle “LC” polyploidized had 140 chromosomes. According to the results, colchicine had effects on the in vitro development and growth of seeds, protocorms and seedlings of the progeny of Blc. Haw Yuan Beauty x Blc. Goldenzelle “LC” and allowed the production of polyploidized plants.
Expansão e evasão na universidade federal do estado de São Paulo: uma análise sobre o Reuni
(Universidade Federal de São Carlos, 2022-06-28)
Fachinetti, Tamiris Aparecida
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Fernandes, Maria Cristina da Silveira Galan
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https://lattes.cnpq.br/5786385589553214
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https://lattes.cnpq.br/6277142566302784
The literature shows the expansion of Brazilian Higher Education, specifically in federal universities, with the implementation of the Support Program for Federal University Restructuring and Expansion Plans - Reuni. This expansion promoted changes in economic and social aspects; in addition to some questions about the conditions of physical infrastructure and personnel that may imply the dimension of teaching quality. Thus, the theme of this research is inserted in the studies on the expansion of Brazilian public higher education, in order to analyze the evolution of Reuni in the context of dropouts in undergraduate courses at the Federal University of São Paulo, to verify the effectiveness of this federal policy in relation to the access and permanence of students in the Higher Education. By the qualitative and quantitative approach, with a theoretical basis in a critical approach to expansion, to the productive restructuring process, as well as to capital appreciation, the policy was problematized by the analysis of its implementation; calculating dropout rates at the university from 2006 to 2018; aiming to discuss the permanence in the institution. It is, therefore, a documentary research in which institutional and national documents and statistical data on dropout were selected and analyzed. Through Vincent Tinto's contributions as a theoretical foundation for dropout and permanence, university permanence policies and student maintenance actions were identified in the Reuni period, as well as continuing with the maintenance of the policies after the program has ended. Preliminary results indicate that Reuni's management assumptions were already under development in the expansion before 2007, since neoliberal expansion project to universities proposed by the government started at the institution in 2005. The investigation identified that since that date the investigated university has expanded significantly from one to five campi, but such expansion brought weaknesses in their articulation, such as intellectual segregation. In relation to dropout, quantitative surveys showed an increase in the number of dropout students. Between 2006 and 2011, the university reached the program guidelines, keeping its average rate below 10%, but as of the year 2012, rates have increased, not reaching 10%. With the conclusion of Reuni, the numbers of vacancy expansion and dropouts have not decreased, thus, it was found that the public university is discontinuous and financially unstable, which ends up damaging the entire structure that permeates the permanence of the undergraduate student. The analyzes also verified that the expansion made it possible to access the popular classes that previously did not have so many conditions to enter the undergraduate level, the offer of education in places that did not offer this modality increased, and the number of jobs, mainly for the class of professors and researchers. The results should contribute to broaden the discussion and propose debates on a topic of political and social relevance, that can contribute to a critical review of the organization, essence and the meanings of the transformations that have been taking place in Brazilian Undergraduate Education after a period of expansion.
Desenvolvimento, caracterização e desempenho de novos eletrodos para dispositivos eletromecânicos baseados em nanocompósitos elastoméricos condutores tratados por plasma
(Universidade Federal de São Carlos, 2022-06-28)
Barbosa, Rafael
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Cruz, Sandra Andrea
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https://lattes.cnpq.br/9632409046763256
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Scuracchio, Carlos Henrique
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https://lattes.cnpq.br/0896060959622431
Ionomeric polymer-metal composites (IPMC) are devices generally composed of metallic electrodes and an ionomeric polymer membrane in a “sandwich-like” format, whose main property is the electromechanical actuation or sensing due to ions movement. Metal electrodes are used for their high electrical conductivity and malleability. However, the high cost of the material, long manufacturing time, and fatigue failure limit its application both economically and in durability. In this sense, the replacement of metallic electrodes with conductive elastomer nanocomposites was evaluated to reduce the costs and complexity of device manufacturing and increase its operating life. Two processing routes were used to prepare the synthetic and natural polyisoprene elastomers, one with subsequent homogenization by a two-roll mill and the other by casting. The dispersion of the conductive fillers (carbon nanotubes and carbon black) was carried out in rubber latex assisted by surfactants and ultrasound. The prepared nanocomposites showed high electrical conductivity as well as strain and solvent sensing capacities. To improve the adhesion between the elastomers and the membrane (Nafion®), the plasma treatment with atmospheric air was evaluated as a surface modifier. This treatment improved the hydrophilicity and the adhesion work of the rubbers with the formation of oxygenated groups and an increase in nano-roughness. However, in Nafion an adverse effect of side chains breakage occurred, impairing its ionic transport capacity. In this way, ionomeric polymer-polymer composites (IPPC) were prepared using untreated Nafion and plasma-modified elastomers, this type of electrode being unprecedented in the literature. These devices presented displacement and trajectory sensing capacity at levels close to the conventional IPMC in all frequency ranges and applied accelerations, highlighting that at low frequencies the IPPC obtained better results than the control.
Relação entre a autopercepção da habilidade de contração e a função da musculatura do assoalho pélvico de mulheres jovens
(Universidade Federal de São Carlos, 2022-06-28)
Zanello, Sara Campana
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Silva, Jordana Barbosa da
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lattes.cnpq.br/6419640145149798
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Driusso, Patricia
;
lattes.cnpq.br/8898319491890063
The objective of this project is to correlate the self-perception of the pelvic floor muscle (PFM) ability of contraction with results of the physical exam evaluation of the PFM in young women. About 43 women, aged between 18 and 35 years, will participate. For the data collection, two semi-structured questionnaires will be elaborated and one evaluator will carry out a physical evaluation. The questionnaires will be used to evaluate the socio demographic characteristics, gynecological and sexual history and the self-perception about the ability contraction of the PFM. The physical evaluation will consist of bi digital vaginal palpation and PERFECT scheme for graduation of the PFM function, based on the Oxford Modified Scale. The results will be described in average and standard deviation, and the normality of the data will be performed by the Kolmogorov-Smirnov test. For parametric correlations, the Pearson test will be used. In case of non-parametric data, the Spearman correlation test will be performed. For both analyzes, the significance level of p will be set at <0.05. The magnitude of the correlations will be classified according to the value of r, where r<0.1=trivial; between 0.1-0.29=small; 0.30-0.49=moderate; 0.50-0.69=high; 0.70-0.90=very high and r>0.90=almost perfect.
Estudo químico de Erythricium salmonicolor, sua interação com a bactéria Xanthomonas citri e síntese de complexos antimicrobianos
(Universidade Federal de São Carlos, 2022-06-28)
Pinto, Luciano da Silva
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Silva, Maria Fátima das Graças Fernandes da
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https://lattes.cnpq.br/0457632122660653
;
https://orcid.org/0000-0002-7081-817X
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https://lattes.cnpq.br/3428195715289956
CHEMICAL STUDY OF Erythricium salmonicolor, ITS INTERACTION WITH THE BACTERIA Xanthomonas citri AND SYNTHESIS OF ANTIMICROBIAL COMPLEXES. The search for bioactive natural products has been increasingly important in the world scenario of disease control, whether pathogens or phytopathogens. The microorganisms that plague Brazilian cultures have developed resistance mechanisms in the face of many chemical controls, requiring a constant search for alternatives to overcome these challenges. Thus, understanding how these organisms develop in nature in their pathogenicity process with their host plants has been a successful approach in the development of prototypes of new antimicrobials. In this work, the chemical study of the fungus Erythricium salmonicolor was carried out by techniques such as CC, HPLC-DAD, HPLC-UV and the characterization of the chemical composition using the UPLC-HRMS MS/MS and RMN-1D and 2D techniques that resulted in substances 1- 34. In addition, the study of the growth curve of this fungus in PDA medium was carried out, analyzing the extracts by GC-MS and organizing the information with the aid of PCA analysis (Principal Component Analysis) and it was possible to verify that the ideal period for the microorganism was cultured for nine days and substances from these extracts 44-60 were identified in comparison with the spectra deposited in the NIST library with the book Adams. Also, to determine the biotechnological potential of the fungus, it was submitted to the study of biotransformation of the substrate rutin in a poor medium (Czapek) which yielded the biotransformation product 21. Finally, the complexation of the ligands rutin, naringin and vanillic acid with metals copper II, zinc II and iron II, which are characterized by NMR-1D, 2D and mass spectrometry, in addition to being subjected to the inhibitory concentration test (MIC) against the bacterium Xanthomonas citri where it was found that the complex of naringin with zinc was the most active having a MIC of ~200 µM.
Gerenciamento de projetos de extensão universitária: um estudo de caso do Núcleo Ouroboros de Divulgação Científica
(Universidade Federal de São Carlos, 2022-06-28)
Patracão, Sandra Mierro
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Carvalho, Angela Maria Carneiro de
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https://lattes.cnpq.br/3860073481051842
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https://lattes.cnpq.br/0586339912723543
The university extension has an essential role in articulating the university and society. Through extension, academics put into practice what they have learned in the classroom, while people in society benefit from this learning. Extension actions take place through programs, projects, and university extension activities. In this context, the present work proposed to observe the practice of the projects of the University Extension Program “Núcleo Ouroboros de Divulgação Científica” of the Federal Univsrsity of São Carlos, Campus São Carlos, linked to the Departament of Chemistry, with the objective of identifying possible difficulties that envolve its execution. Research with a qualitative, exploratory, descriptive approach, where the case study strategy was used. Data was collected through documental research, participant observation, and semi-structured interviews with coordinators and the Ouroboros work team. The results of the analysis showed lapses in the procedures for processing projects whitin the scope of UFSCar, proved the academic and social relevance of university extension and indicated the lack of physical, financial, and human resources as the main difficulties for carrying out the extension projects of the Núcleo Ouroboros de Divulgação Científica, in particular.
Avaliação do processo de produção de colorante natural vermelho pelo fungo endofítico Talaromyces minnesotensis
(Universidade Federal de São Carlos, 2022-06-29)
Sousa, Marina Del Bianco
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Baptista Neto, Álvaro de
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https://lattes.cnpq.br/3135081161167616
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Badino Júnior, Alberto Colli
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https://lattes.cnpq.br/6244428434217018
The growing incentive and awareness regarding the consumption and use of more sustainable proposals, biocolorants from filamentous fungi are presented as a promising alternative to synthetic colorants. These biocompounds are less harmful to living beings and the environment, presenting greater stability and biotechnological potential compared to other natural sources. In this context, this thesis aimed to characterize the red biocolorant synthesized by the endophytic fungus Talaromyces minnesotensis, as well as to evaluate the biocolorant production process in shaken flasks and in conventional bioreactors, aiming the improvement of the bioprocess. Initially, the endophytic fungus T. minnesotensis was phenotypically characterized by assays carried out in different solid media. Then, its potential for biocolorant production was verified through submerged cultures in shaken flasks. The synthesized biocolorant was characterized by means of fluorescence, cytotoxicity (MTT and MIC), stability, and applicability assays. The characterization and application tests showed that the biocolorant has activity against human hepatoblastoma cells (HepG2) at concentrations above 5.0 g L-1, while for pathogenic bacteria and yeasts the concentration must be higher than 50.0 g L-1. In addition, the bioproduct showed high stability at neutral pH values (6 to 8) and at low temperatures (10 to 20°C). Expressive coloring potential of the red biocolorant produced in different matrices such as detergent, gelatin, enamel, paint, and fabrics, was also verified, which indicates the feasibility of a more in-depth study of the bioprocess to improve and increase its production. Thus, a factorial design (22 +3PC) was performed, aiming to evaluate the influence of three combinations of impellers of different geometries under different conditions of agitation frequency (400-800 rpm) and specific air supply flow rate (0, 5-1.5 vvm) on the production of biocolorant in a conventional bioreactor. The results were analyzed based on the Global Desirability (DG) in terms of the main response variables of performance, production, and productivity of biocolorant. It was shown that the configuration composed of two elephant ear impellers (EEDP-EEUP) operated at 600 rpm and 1.0 vvm was the most favorable to the bioprocess, obtaining a production of 45.30 AU. By correlations assessment, it was verified that the hydrodynamic properties tended to present greater relevance to the performance of the bioprocess compared to the oxygen transfer properties. In order to evaluate the performance of the bioprocess on a larger scale, an exploratory study was carried out to scale up the bioprocess from 4 to 10 L bioreactor, in which a satisfactory result was obtained by reaching an equal production for both scales. Finally, in order to improve the production of biocolorant, the use of the fed-batch mode in shaken flasks and in a conventional bioreactor was evaluated. The production in these assays reached expressive results for both scales: a maximum production of the order of 86.0 AU in shaken flasks, and maximum production ranged from 80 to 238% in relation to the conventional batch for bioreactors. Regarding this last, the increase of production depended on the feeding conditions (FCSF), reaching a maximum production of approximately 153.0 AU in the most favorable condition at a feeding flow rate of 0.01 L h-1 (F) and a substrate concentration of 60 gS L-1 (CSF). These results proved the fact the bioprocess production of colorant by the endophytic fungus T. minnesotensis has a high potential for future studies aiming for its implementation at pilot and industrial scales.
Desenvolvimento de um protótipo para uso de dados não estruturados em sistema de medição de desempenho
(Universidade Federal de São Carlos, 2022-06-29)
Assandre, Junior Aparecido
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Martins, Roberto Antonio
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https://lattes.cnpq.br/3518820028045730
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Oprime, Pedro Carlos
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https://lattes.cnpq.br/9291517431456908
Given the potential that big data can bring to organizations with the use of the large amount of unstructured data generated quickly in different formats and sources, and the scarcity of empirical research to validate its impacts and opportunities for performance measurement systems (SMD). The main objective of this thesis was to develop an SMD prototype using deep learning and big data analytics (BDA) techniques for collecting, storing and analyzing unstructured data. Among the different formats of unstructured data, video images were used, due to their great availability. As a way to present the cognitive process of the design and construction of the SMD prototype in a functional state and thus create generalizable knowledge for this class of problem, the design science research (DSR) research method was used. During the prototype development process, it was possible to identify convergences between the MDS development phases and the phases to be followed to put a big data project into operation. The analysis of these convergences together with the learning acquired in the prototype development process, highlighted the most relevant points in this type of project. The research results indicated the importance of a support infrastructure for the use of unstructured data by the SMD and the even greater dependence on the area of information technology and computer science. The results also showed that, by providing the creation of performance measures and advanced analysis of unstructured data, previously unfeasible, BDA, deep learning and computer vision techniques positively influence the validity, reliability and timeliness of this resource, as well as its level. aggregation and costs. Thus, the main contribution of the thesis was to generate relevant, practical and prescriptive knowledge for the use of unstructured data from videos in SMDs, in order to contribute to their improvement and adaptation.
Por uma linguística (mais) popular: a construção do gênero neutro como dissidência linguística
(Universidade Federal de São Carlos, 2022-06-29)
Gomes, Robert Moura Sena
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Costa, Julia Lourenço
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https://lattes.cnpq.br/5592296124389416
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Baronas, Roberto Leiser
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https://lattes.cnpq.br/4613001301744682
With the effervescence of social movements, the understanding that a language is also a place where the identity of a collectivity is anchored has made it also an object of struggle. With the advent and intensification of the use of the internet, and markedly of online social networks, new forms of organization of socially underprivileged groups (indigenous community, women, blacks, LGBTQIAPN+, and people with disabilities, for example) have become more evident. Regarding the use of gender-neutral as a form of recognition and representation of the LGBTQIAPN+ community in social spaces, including the language itself, it was found that there is linguistic dissidence - a concept proposed in this dissertation - as a possibility of subversion, in this case, of the linguistic system. As a consequence, several linguists and popular linguists have also positioned themselves in a plural and diverse way about the discursive procedures that act in the relationship or not between the grammatical category of gender and gender identities. The analyzed texts were written by professional linguists (scientific knowledge) and by non-linguists (popular knowledge) starting from the hypothesis, which was approached and proven, that it is in the continuum between the scientific and the popular that there are disagreements and agreements, both concerning the validation of the knowledge of popular linguists, as concerning the proposals raised for the (re)formulation of the linguistic aspect as a marker of gender in the Portuguese language of Brazil. To this end, we are guided by the studies developed by Folk/Popular Linguistics (ALBURY, 2017; MURILLO, 2008; PAVEAU, 2007; 2018; 2021; PRESTON, 1993; 1994), which proposes that the knowledge of non-linguists is important and must be observed and integrated into scientific studies, as well as in the proposals of Discourse Analysis (FOUCAULT, 2014).
Caracterização de microalgas e cianobactérias: abordagens ecofisiológica e biotecnológica
(Universidade Federal de São Carlos, 2022-06-29)
Silva, Jaqueline Carmo da
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Lombardi, Ana Teresa
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https://lattes.cnpq.br/6737850858443813
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https://lattes.cnpq.br/7039615915524889
Microalgae are photosynthetic organisms, generally fast-growing, with simple nutritional requirements and physiological plasticity. They produce biomolecules in great variety and many with high added value. Compared to the number of known species, few are commercially used and described in relation to their biochemical composition. This research aimed to investigate the physiology of microalgae with a biotechnological approach. We started the study by investigating 12 strains, including organisms from the Bacillariophyta, Cyanobacteria, and Chlorophyta groups, and a strain chosen to be subjected to biochemical manipulation. CO2 fixation was quantified to associate microalgae productivity with the reduction of important greenhouse gas. Algae were grown in a high-performance cylindrical photobioreactor (PBR) with internal lighting in batch mode under controlled conditions. As a physiological response, growth, and photosynthesis parameters (PhytoPAM), biomolecules (carbohydrates, proteins, lipids total, fatty acid composition, chlorophyll a, and carotenoids), and antioxidant potential were evaluated. We complement the study with an analysis of the biomass by Fourier transform infrared spectroscopy (FTIR) and thermogravimetry (TG). The results showed that Desmodesmus spinosus had the highest yield of algal biomass (2.4 g L-1), in addition to presenting high levels of chlorophyll a, and total carotenoids, as well as Monoraphidium indicum. As for the fatty acid composition, Nannochloropsis gaditana stood out in the production of eicosapentaenoic acid (EPA). However, Kirchneriella aperta stood out in the parameters: antioxidant activity (69%), protein and carbohydrate content, photosynthetic rates (~0.80), and a higher rate of CO2 fixation. FTIR showed that the species with the highest lipid content were in Chlorophyta N. gaditana, K. aperta, M. indicum, Chlorolobion guanense, and Ankistrodesmus densus. TG showed 3 stages of thermal decomposition for all species. The microalgae K. aperta was selected for the study of biochemical manipulation. In it, the alga was exposed to different colors of light and copper concentration, alone and in combination. We showed that copper and isolated light colors resulted in higher concentrations of biomolecules compared to the combined factors and the control. Finally, a large-scale test (250 L) using the microalgae Chlorella fusca was carried out in a raceway reactor maintained in an oven. Developed in Spain, this study showed that real-time monitoring of photosynthesis showed rETR values twice as high compared to spot analysis performed in the laboratory. In addition, the microalgae C. fusca showed high concentrations of photoprotective compounds. The present results provide relevant information on the physiology, photosynthesis, and biochemical characterization of different microalgae and highlight potential species for further investigation with the aim of commercial applications.
Crisis, end, or eclipse of reason? Max Horkheimer's Critical Theory contributions to an epistemology of eugenics
(Universidade Federal de São Carlos, 2022-06-29)
Roitberg, Guilherme Prado
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https://lattes.cnpq.br/3993968379492241
This article investigates the epistemological foundations of Francis Galton's eugenics based on Max Horkheimer's Critical Theory. Grounded on a bibliographical research, we analyze the texts in which the English polymath structured the rationality of his science-religion, contrasting them with the theoretical-critical diagnosis of the crisis of reason. We conclude that Horkheimer’s argument denouncing the enlightened roots of eugenics, despite not having been explored in historiography, remains fundamental to the understanding of the eugenic scientific rationality, which we denominated eugenic reason.
A intervenção da terapia ocupacional associada a estimulação transcraniana por corrente contínua em pessoas com a síndrome dolorosa miofascial: efeitos na dor, qualidade de vida, desempenho e papéis ocupacionais
(Universidade Federal de São Carlos, 2022-06-29)
Marchi, Letícia Zanetti
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Andrade, Suellen Mary Marinho dos Santos
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https://lattes.cnpq.br/6437799927471735
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Cruz, Daniel Marinho Cezar da
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https://lattes.cnpq.br/7350460642976728
Myofascial pain syndrome (MPS) is a specific clinical condition of regional muscle pain, very often associated with the presence of one or more tender points, which in these circumstances are called trigger points. Many techniques and types of multimodal treatment have been used, showing good results. This study aims to investigate the effects of Transcranial Direct Current Stimulation combined with Occupational Therapy on the primary outcome pain. Therefore, a multiple case study with an experimental approach was adopted as a method. In which the participants were referred by neurologists and previously diagnosed. Participants were screened (Hamilton Anxiety Scale and Beck Depression Inventory instruments), initial assessment (Visual Analog Pain Scale and Body Map instruments, Mc Gill Pain Questionnaire, Canadian Occupational Performance Measure, Occupational Role List and World Health Organization quality of life instrument - abbreviated), intervention (3 times a week, 30 minutes, 12 sessions) and final assessment. Participants were randomly divided into two groups, an Occupational Therapeutic Intervention (OT) group and an Occupational Therapy and Transcranial Direct Current Stimulation (tDCS+OT) group. The results show that all participants are female, most have pain in the cervical region or close to this area. It is also observed that the participants have difficulty in occupational performance in the items self-care and productivity. In the primary outcome pain in both the right and left hemibody, the target participants of the OT intervention only had better results, in the change of the pain level and also in the pain intensity. In the secondary outcome quality of life, all participants improved, but participants in the tDCS plus OT group had a better mean score when comparing pre- and post-intervention outcomes than participants in the OT only group. In the secondary outcome occupational performance, all participants improved their scores in both satisfaction and performance, but the participants who had a change in score of 2 points or more considered as clinically significant by the COPM instrument were: 1 participant in the tDCS group plus TO and 2 participants in the TO-only group. It can be concluded from the analysis of the results that both an intervention (tDCS plus OT) and another (only OT) were beneficial to their participants, but that in this scenario the OT only group had better scores in more predicted outcomes (pain and functional performance). In addition, the study could be carried out with a larger number of participants so that it is possible to generalize the results and validate the protocol built for the intervention of OT, as well as, perhaps, confirm that tDCS is an adjuvant and potentiating technique for the TO. The innovative character of the theme for the Occupational Therapy profession is highlighted, in relation to SDM and one of the interventions made - tDCS.
Rastros de imaginação lésbica: uma busca literária em "As Ondas", de Virginia Woolf e "Ara", de Ana Luísa Amaral
(Universidade Federal de São Carlos, 2022-06-30)
Gomyde, Monalisa Almeida Cesetti
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Valentim, Jorge Vicente
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https://lattes.cnpq.br/4427303771174064
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https://lattes.cnpq.br/6209402734124822
The main purpose of this research was the weaving of a path towards women's literature on the love between women, in which the strength of the lesbian existence (RICH, 1980) present in the works is not ignored or misunderstood. For this, the concept of Lesbian Imagination, coined by Marylin Farwell (1988), was substantiated, expanded, and proposed as a possible reading practice, used, then, in the study of two literary works, Ara (2016) by Ana Luísa Amaral and The Waves (1931/2018) by Virginia Woolf. It started with an enquiry about the female creative process, if there would be something specific in it and in what ways the recognition of this possible specificity would affect the reading of female literary works, especially regarding the presence of the lesbian existence in such works. Thus, with the help of the definition of hermeneutic violence and symbolic clitoridictomy (GARRETAS, 2020) some of the faces of women's silence in patriarchy were portrayed and through the concept of the symbolic maternal order (MURARO, 1994) a route to the dizibility and the free feminine symbolic (IRIGARAY, 1980) was traced. In order to detail the lesbian existence, some narrative and political disputes around the name "lesbian" were presented, with special attention to the conceptualizations of lesbians themselves (CLARK, 1988; RICH, 1980; WITTIG, 1994). The practice of the Lesbian Imagination has been allocated within feminist literary theory as the lesbian dimension of Gynocriticism (SHOWALTER, 1981).
(Re)vendo a formação continuada de professores que ensinam matemática quando o assunto é pensamento algébrico: limites e desafios
(Universidade Federal de São Carlos, 2022-06-30)
Silva, Danielle Abreu
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Passos, Cármen Lúcia Brancaglion
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https://lattes.cnpq.br/2297203444364327
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https://lattes.cnpq.br/8811258717761378
This dissertation, linked to the Graduate Program in Education (PPGE) of the Federal University of São Carlos (UFSCar) along the line "Education in Science and Mathematics", aims to analyze the movement of continuing education in a group of studies with collaborative characteristics, centered on the school, in relation to the development of algebraic thinking in the literacy cycle (1st to 3rd year). It takes as its object of analysis two extension activities offered by the Department of Theory and Pedagogical Practices (DTPP/UFSCar), via a University-School partnership, both related to the work with the thematic unit Algebra in the early years. The methodology, of a qualitative nature with a descriptive-analytical character, describes the experience of the analyzed group from their meetings at two different times: 2019 and 2021. The data production instruments include: 1) document analysis: collection of project reports in partnership with a public school of the state network, photographic collection and written reports resulting from the experiences that took place in 2019; 2) semi-structured interview with three teachers (1st, 2nd and 3rd year) and with the trainer teacher, coordinator of the actions undertaken; and 3) records of virtual interactions via synchronous meetings through Google Meet during the "Classes of Collective Pedagogical Work" (ATPC), which took place in 2021. The results obtained show that although continuing education, in the case studied, made considerable efforts to ensure that the group presented collaborative characteristics, since the formation of the group in 2019, it seems, given the limitations and challenges, when it comes to algebraic thinking, to have walked more in the perspective of problematizing the theme in a movement of reflection on the practice from of theoretical studies centered on the school environment, which contributed to the expansion of the didactic-pedagogical repertoire of the participants. This reality, emerging from countless challenges in the deepening of the theme, reveals a path to follow, which is not the only one, but fruitful: that of collaborative work and its reinvention, transgression and creative insubordination, characteristics that are so necessary in the remote context, for example. In view of the elements presented, a central result is located in the dimension of the professional development of teachers who teach Mathematics in reflective processes that culminated in the possibility of rethinking their actions and better organizing their work with the thematic unit "Algebra" in the early years.
Paisagismo com nativas: o mercado de oferta e demanda de espécies ornamentais na região metropolitana de Sorocaba
(Universidade Federal de São Carlos, 2022-06-30)
Marum, Suéllen Sandi Sojo
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Silva, José Mauro Santana da
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https://lattes.cnpq.br/1206055452889306
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https://lattes.cnpq.br/9038875145437594
Landscaping is essential for ecological balance, as green spaces are being increasingly occupied with urbanization. It is incongruous that in a country with one of the richest, most diverse and important floras in the world, most of the plants used in landscaping are still exotic, some of which are invasive. With the little appreciation of native species, the urgency of modifying this dynamic is understandable, and analyzing the high rate of urbanization in a global context, the water crisis and the threat of extinction of so many species of fauna and flora, it appears that the Cities must now be seen as ecological entities, where human action must try to reestablish the local environmental balance. Since the State of São Paulo is the most urbanized place in Brazil, concentrating the largest contingent of population residing in urban areas, in addition to the presence of two threatened biomes, Atlantic Forest and Cerrado, we limit one of its most economically significant Metropolitan Regions as an object of study, the Metropolitan Region of Sorocaba (RMS), in order to carry out a survey of local landscape demand and which are the main species offered in regional commerce in the scale of production, sale and management, identifying the groups with the highest output and if there is a market for herbs, shrubs and local native trees for ornamentation, and what material is currently available to promote this sector. The methodology focused on bibliographic research to understand the importance of biodiversity in urban gardens, and quantitative and qualitative research in the floristic market of this regional cut, as well as data collection of working professionals and population profile on the subject, with the purpose of understanding if there is a demand for these vegetations and how their supply and availability in nurseries and floras works. Thus, the standardization of landscapes in the region was verified, where the most offered plants are exotic and little diverse, and the professionals responsible for the projects have an aesthetic vision in disagreement with the population sample studied.
Estudo do processo integrado de fermentação alcoólica extrativa com CO2 com desidratação por adsorção e recuperação por absorção
(Universidade Federal de São Carlos, 2022-06-30)
Santos, Mayara Vieira
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Badino Júnior, Alberto Colli
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https://lattes.cnpq.br/6244428434217018
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Cruz, Antonio José Gonçalves da
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https://lattes.cnpq.br/1812806190521028
To minimize the effects of ethanol inhibition, increase productivity, and reduce energy and environmental footprint, different strategies of ethanol removal by gas stripping with CO2 during alcoholic fermentation have been studied. However, there are a few studies on how to efficiently recover the ethanol removed by stripping, which becomes difficult the application of this technique. In the present work, an integrated process of ethanol production by extractive fermentation with CO2 stripping and ethanol recovery by the association of adsorption and absorption processes was developed. Firstly, an analytical methodology based on the combination of Fourier transform mid-infrared spectroscopy (FT-MIR) with the partial least squares multivariate regression (PLS) method was developed to monitor the gas phase containing water and ethanol. Then, the water and ethanol adsorptive capacities of the 3A (Z1, Z2, and Z3) zeolites and cassava sago adsorbents were evaluated in an up-flow packed column to select the most suitable adsorbent for dehydration of the gas stream from stripping of hydroalcoholic solutions and extractive fermentations. The next step was to evaluate different strategies of association of the adsorption and absorption (with monoethilene glycol, MEG) processes using extractive fermentation experiments operated in fed-batch mode using different substrate concentrations in the feed stream. Regarding adsorption, zeolite 3A (Z3) stood out for adsorbing all water from the gas stripping stream for the longest time period (10 h), having the highest affinity for water (0.1231 gW.gAdsorbent-1), and the lowest affinity for ethanol among the evaluated zeolites. While sago adsorbent, despite having a shorter break-up time and lower affinity for water, it was the adsorbent that did not interact with ethanol. The association of adsorption (with a fixed bed column filled with 3A zeolite) and subsequent absorption (using absorbers connected in series containing MEG) was the best combination of operations studied. This configuration provided the highest overall ethanol recovery (96.3% for hydroalcoholic solutions and 100% for extractive batch fermentation) and considerable dehydration of the gas stream (100% for hydroalcoholic solutions and 91% for extractive batch fermentations). The integrated process of fed-batch extractive fermentation and recovery by adsorption and absorption allowed the conversion of 240 g L-1 of the substrate into ethanol of 117.6 g L-1 (14.9 °GL). This value was 47% higher compared to those obtained in conventional fed-batch fermentation (operated in similar industrial conditions). The combination of the adsorption and subsequent absorption processes was an excellent strategy for dehydration of the fermentation gas stream fed with substrate concentration value similar to those found in industrial facilities (100%) and extractive fermentation with high substrate load (99.4%), and ethanol recovery in both fermentation conditions. The system was able to recover all the ethanol removed by the stripping stream. The combined process of fed-batch fermentation, gas stripping with CO2, and ethanol recovery proved to be a promising process since a greater amount of substrate can be fed into the fermentation with constant ethanol removal, directly influencing the increase in ethanol productivity. Furthermore, the combination of adsorption and absorption processes promoted the recovery of all ethanol, which directly impacts on the global increases in industrial production capacity.
Dinâmica de fósforo e nitrogênio no consórcio de milho com adubos verdes no sistema orgânico
(Universidade Federal de São Carlos, 2022-06-30)
Cardoso, Tainá Martins
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Magri, Marcia Maria Rosa
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Rossi, Fabrício
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https://lattes.cnpq.br/4166319985147604
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https://lattes.cnpq.br/0621862166341833
Maize-legume intercropping is an alternative to improve N and P availability in soil/plant system. However, it is necessary to understand nutrients dynamics in soil and its uptake by plants in the intercropping system to optimize the process in organic systems during the same crop year. This work aimed to evaluate effect of intercropping with maize and two species of legume Crotalaria spectabilis Rhot. and Pegeon pea (Cajanus cajan (L.) Millsp.) on soil P and N dynamics, and the relation with the nutrients accumulation in plants and corn grain yield, during the same crop year, in an organic system. The experiment was a factorial design with four levels of intercropping: maize-Crotalaria spectabilis (MC); maize-Pigeon pea (MG); Maize-Crotalaria spectabilis-Pigeon pea (MCG) and maize monocropping (M) and two levels of fertilization: without fertilizer (A) and fertilization using an organic compound (P), with four replications. It measured maize agronomic characteristics like height, dry leaf matter, nutrient accumulation, dry matter of 100 grains, and grain yield. For legumes, it was estimated dry leaf matter and nutrient accumulation. Also, it measured soil NH4- and NO3- concentration, beyond P concentration, pH and the acid and alkaline phosphatases activity in the soil. Maize-Crotalaria spectabilis-Pigeon pea intercropping improved maize N accumulation when compared to Maize intercropping with Pigeon pea. Fertilization using organic manure elevated the NO3- and acid phosphatase activity on soil. Maize-legume intercropping did not affect maize growth neither corn yield. Pigeon pea in an intercropped with maize did not increase P availability to the maize as well did not altered acid and alkaline phosphatases in the soil or soil pH. The maize intercropping with with C. spectabilis and Pegeon pea does not affect plant development, it increases the leaf N content of maize, without effects on grain yield.
Diferentes sons e tons em aulas de matemática: um estudo sobre frações
(Universidade Federal de São Carlos, 2022-06-30)
Rocha, Ezequiel Ribeiro
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Oliveira, Paulo César
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https://lattes.cnpq.br/7516513469811353
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https://lattes.cnpq.br/7048897534591796
The present work aims to analyze the context of being a teacher and inquirer of one's own practices in the scope of mathematics education in elementary school, which presumes to find conceptions formed by experiences of knowledge that are generally constituted of skills and competences through a continuous educational formation. The descriptive qualitative research seeks to contextualize reflections on forms of interdisciplinary representations between art, that is, the "analog and digital temperament" and mathematics, comprising fractions in forms of sequences and applications, aimed at the teaching-learning process, in the ludic context of fractions and music, tied by challenges in diverse environments and moments of a before, during, and the delicate progressive return to physical school spaces, due to the pandemic unfolding of Covid-19. Thus, this work emerges from the essence of the theoretical referential of youth and adult education pronounced by FREIRE (1970, 1991, 1993, 1997), having music as the generating element of the reflections of the research scope. Together with the students, dynamics occur followed by planned evaluative activities that make it possible to work, firstly, numbers and decimal fractions, exact square roots, functions, incomplete trinomials as bold contextualized and applied interventions related to the proposed interdisciplinarity. In the path paved by the theoretical reference, relations are established with the ideas proposed by Cury (2008), a support of "error analysis" hypothetically during the study that followed students in continuity from 6th to 8th grade in the city of Vinhedo, two 8th grades and one 9th grade, as a form of adjustment, acceleration, content correction and curriculum of students from a Municipal school of Monte Mor. Furthermore, interpersonal pedagogical relationships and the virtual pedagogical dynamics were compared to the third face-to-face bias of applying the dynamics based on the scope of fractions and (in) music in 2022. Age issues in school years, behavioral issues, gaps and mismatches, (dis)organization of actions as well as hidden curricula of an elementary mathematics baggage, are some of the variables manifested in the empirical forms of belief segments that occurred in both agents of predominant performances: educator and students.
Capacitação profissional da rede socioassistencial para atendimento de mulheres vítimas de violência: estudo de viabilidade
(Universidade Federal de São Carlos, 2022-06-30)
Santos, Maiana Pereira dos
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D'Affonseca, Sabrina Mazo
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https://lattes.cnpq.br/0381029115416584
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https://orcid.org/0000-0001-9103-0616
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https://lattes.cnpq.br/0210085640903213
Violence against women is a universal phenomenon that affects groups of women of different origins, education, races and other social markers that interact and intersect. The phenomenon presents itself in different ways and according to Brazilian law it can be classified into five types of violence: physical, moral, psychological, property and sexual. Furthermore, violence against women is also gender-based violence, as it highlights inequalities in the treatment between men and women. These inequalities are often naturalized and create more suffering for women victims when they are subjected to these invalidating contexts. This is a topic of great importance for health care and promotion, given that this violence affects a large part of the population and generates individual and collective losses. Among the mechanisms for coping and preventing this type of violence, we can mention the training of professionals. The objective of this work was to develop, apply and evaluate the feasibility of a psychosocial training course for professionals and students from small and medium-sized cities in the interior of São Paulo. This is a mixed design study with a single intervention group and pre- and post-test assessments. The selection of participants was carried out through publicity on partner services and social networks. The training was applied in six meetings with fortnightly online intervals using focal discussions on pre-determined topics based on a literature review study. Five instruments were used: (1) Sociodemographic Questionnaire; (2) Married Life Beliefs Scale (ECVC, 2008); (3) VIRGINIA – Vignettes on gender violence; (4) Meeting Evaluation Sheets and (5) Meeting Review Activities. Data on participants' perception of gender-based violence were collected through instruments 2 and 3. Feasibility analysis was carried out considering criteria extracted from Durgante and Dell'Aglio (2018) which were used as a reference for the construction of instruments 4 and 5 The qualitative data were analyzed according to the thematic analysis proposed by Bardin (1970). The intervention group consisted of 12 participants, named here P1-P12. Participant retention was 76.5%. The sample was considered homogeneous, mostly white, female and with higher education, which made comparative analyzes difficult. Regarding the effect of the intervention on the perception of gender-based violence, the data showed no significant differences between the pre- and post-test. However, there was greater variability in responses regarding actions taken and case referrals after the intervention, in addition to a lower rate of doubts tracked by the VIRGINIA instrument. The course presented high scores in evaluations made by participants for all categories tracked by the training evaluation instruments. The use of case studies and the course content were considered positive highlights of the training. It was considered that based on the criteria adopted, the training could be considered viable. It is thought that with the appropriate changes the course could be applied again and subjected to effectiveness evaluation