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Como nasce um ouvinte competente: do Verbal Behavior aos possíveis controles do repertório de um bebê
(Universidade Federal de São Carlos, 2024-10-14)
Silva, Giulia Gomes da
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Gil, Maria Stella Coutinho de Alcântara
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https://lattes.cnpq.br/1673770301699940
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https://orcid.org/0000-0003-4375-3232
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https://lattes.cnpq.br/2117365218146418
This thesis presented two studies investigating the conditioning of competent listener behavior. The goal of the first study was to retrieve, from Verbal Behavior, indications that help describe how one becomes a listener and what history makes one a capable or competent listener. For this purpose, the 1972 digital edition of the book was selected, and searches were conducted for the terms "listener" and "behavior of the listener." From this, 817 excerpts were identified and organized into three categories of analysis: topography, sources of control, and conditioning of listener behavior. Finally, the excerpts corresponding to these categories were examined and discussed. The second study aimed to examine the changes in stimulus control involved in the acquisition of listener behavior, which enables the listener to mediate consequences for the speaker's responses in a verbal episode. The empirical research consisted of a longitudinal observational study. A mother-infant dyad participated in the study. The infant was 60 days old, and the mother was 30 years old at the beginning of the research. The setting was the dyad’s home, in environments such as the baby’s bedroom, the living room, and the playroom. The data treatment and analysis followed four main stages: i) familiarizing the observer with the records; ii) defining behavioral categories and parameters; iii) coding performances using the Datavyu® software; iv) analyzing the contingencies in mother-infant interactions. The results of both the theoretical and empirical studies revealed that it was not possible to define a single response form for listener behavior. To identify it, when functional relations were not yet established, the infant’s responses that mediated consequences for the speaker’s behavior were considered, even though the infant’s behavior was not necessarily under verbal stimulus control. The empirical research showed potential changes in the infant’s behavior control throughout the first year of life. The transition process highlighted the importance of gradual shifts in control over the course of development. The study evidenced that, initially, the infant was almost exclusively under the control of interactions with the mother, but as exposure to the environment increased, control came to be exerted by a variety of verbal and non-verbal stimuli, both from the mother and the physical environment. This gradual transition in control was fundamental to the development of competent listener behavior. The theoretical analysis indicated similarities in contingencies between conditioned speakers and listeners, while the empirical research data also suggested that, in conditioning, speaker behavior is constantly shaped through interaction with listener behavior. Finally, it is suggested that new empirical research be conducted to investigate the conditioning of listener behavior during the first year of life and to undertake a review discussing the points of contact between theoretical explanations and natural conditioning
Análise teórica de uma memória atômica fundamental considerando um átomo de três níveis em uma cavidade óptica
(Universidade Federal de São Carlos, 2024-10-14)
Silva, Julia Elisa Barbosa da
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Souza, James Alves
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https://lattes.cnpq.br/2212240621620011
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https://orcid.org/0000-0003-0112-8332
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https://lattes.cnpq.br/4162604323811168
Quantum optics is a branch of physics that applies quantum theory to phenomena involving light and its interaction with matter. One of the key advances in this field is the use of Cavity Quantum Electrodynamics (CQED), which describes how radiation interacts with matter inside an electromagnetic resonator, or optical cavity. A notable phenomenon within CQED is Electromagnetically Induced Transparency (EIT), which allows inducing transparency in an opaque medium through the application of electromagnetic fields. EIT has led to several promising applications, such as quantum memory, which is a technological device used for storing and retrieving quantum information, fundamental for quantum communication and computing. In this work we present a theoretical study to analyze the implementation of a quantum memory based on the EIT phenomenon combined with cavity quantum electrodynamics (CEIT– Cavity EIT). For this purpose, we consider a system composed of a single three-level atom in Λ configuration coupled to a single mode of the quantum field of an optical cavity. The eigenstates of the system were calculated analytically through the diagonalization of the interaction Hamiltonian according to the Jaynes-Cummings model, and the dynamics of the system were solved numerically through the master equation formalism. The results show that the superposition of quantum states is essential for the observation of the memory process in the CEIT system. Furthermore, we analyzed the role of the atom-field coupling on the performance of the implemented quantum memory, showing that efficiency of the information storage process can be optimize by increasing the value of this parameter.
Adaptação transcultural das avaliações “SOSI-M Structured Observation Sensory Integration - Motor” e “COP-R Comprehensive Observations of Proprioception - revised” e estudo do desempenho populacional preliminar de crianças e adolescente brasileiros
(Universidade Federal de São Carlos, 2024-10-14)
Ovando, Laura Maria Koopman
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Pfeifer, Luzia Iara
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https://lattes.cnpq.br/9065968448027440
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https://lattes.cnpq.br/4869301007883560
Introduction: Assessment plays a fundamental role in the development of therapeutic planning and intervention strategies. However, there is a paucity of validated instruments for identifying sensory processing disorders within the Brazilian population. The SOSI-M (Structured Observation of Sensory Integration – Motor) and the COP-R (Comprehensive Observations of Proprioception – Revised) are standardized tools that quantitatively assess motor components related to sensory processing, offering a rapid and cost-effective application method grounded in Ayres’ clinical observations. These instruments evaluate, through direct observation of performance, proprioceptive and vestibular processing, motor planning, and postural control abilities in children aged 5 to 14 years. The SOSI-M provides psychometric data for sensory processing analysis and is administered in conjunction with the COP-R. Since these instruments were originally developed in a different cultural context, their application in Brazil necessitates a rigorous cross-cultural adaptation process. Objective: To conduct the cross-cultural adaptation and preliminary investigation of the reliability and performance of Brazilian children in the SOSI-M and COP-R assessments. Methodology: This study employs a methodological, cross-sectional, and quantitative research design, structured in three distinct stages: Stage 1 – Cross-Cultural Adaptation, Stage 2 – Pre-test and Preliminary Population Study, and Stage 3 – Validation Evidence Study. The cross-cultural adaptation (Stage 1) followed a five-step process: translation, synthesis, back-translation, expert committee review, and pre-testing. Stage 2 involved a pre-test and a preliminary assessment of the performance of a sample of Brazilian children, encompassing all five regions of the country to ensure a representative inclusion of diverse cultural and social contexts. In Stage 3, a psychometric investigation was conducted to establish validity evidence, with reliability analyzed through stability (test-retest), inter-rater equivalence, and internal consistency via Cronbach’s alpha. Results and Discussion: The cross-cultural adaptation process demonstrated methodological robustness, with all 475 items achieving an approval rate exceeding 80%, as well as endorsement from the original instrument developers. The pre-test results revealed sociocultural variations, underscoring the necessity of broader nationwide testing. Reliability analysis of the SOSI-M yielded a Cronbach’s alpha of 0.73, closely aligning with the original instrument (0.76). Inter-rater reliability indicated an excellent level of agreement (ICC = 0.996; 95% CI = 0.995–0.998, F(57, 1083) = 293.958, p < 0.001), while test-retest reliability also demonstrated high concordance (ICC = 0.992; 95% CI = 0.989–0.995, F(56, 1064) = 132.257, p < 0.001). These findings underscore the importance of further large-scale validation studies to substantiate potential sociocultural influences and enhance the robustness of validity evidence.
Simultaneous electrochemical detection of paraquat and carbofuran using a biodegradable flexible electrode, enhanced with carbon nitride dots and poly(allylamine hydrochloride) via layer-by-layer technique
(Universidade Federal de São Carlos, 2024-10-14)
Freitas, Amanda de Sousa Martinez de
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Fré, Lucas Victor Benjamim Vasconcelos
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Rodrigues, Jéssica de Souza
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Amaro, Stefanny
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Barros, Anerise de
The developing of sensor devices for portable and selective detection remains an emergent technology needed for monitoring water contamination. In this work, we developed a flexible and biodegradable sensor based on the polymer poly(butylene adipate-co-terephthalate) (PBAT) mixed with graphite (g), creating (g-PBAT) for the simultaneous detection of paraquat (PQ) and carbofuran (CBF) pesticides. The g-PBAT was used as an electrode support and was modified with poly(allylamine hydrochloride) and carbon nitride dotes by Layer-by-Layer technique. The sensor’s performance was evaluated through electrochemical methods using cyclic voltammetry, electrochemical impedance spectroscopy, and differential pulse voltammetry. The results demonstrated good reproducibility and repeatability with RSD of 14% and 8.8%, respectively. The stability in terms of current signal peak increased by only 8.5% compared to the initial cycle. The limit of detection (LoD) and limit of quantification (LoQ) were 0.63 μM and 2.10 μM for PQ, respectively, with a sensitivity of 3.69E-5 ± 5.94E-7 A cm−2 M−1, while the CBF had a LoD and LoQ of 7.14 μM and 23.8 μM, respectively, with a sensitivity of 2.51E-7 ± 2.09E-8 A cm−2 M−1. Additionally, the recovery methodology for the real sample showed ranges from 89.3% to 105.0% for PQ, and 92.1% to 105.9% for CBF, indicating that the sensor exhibits good sensitivity and stable RSD, ranging from 4% to 7.5%.
Aproximação polinomial da potência de regime do motor de combustão interna emulado por motores de indução trifásicos
(Universidade Federal de São Carlos, 2024-10-15)
Wang, Jen Wuu
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Gonçalves, Amilcar Flamarion Querubini
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Silva, Lucas Jonys
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Neves, Rodolpho
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Machado, Ricardo Quadros
O aumento da eficiência dos veículos híbridos elétricos (VEHs) é essencial para o avanço do transporte sustentável. Este estudo foca na modelagem do fornecimento de potência de um sistema de combustão em um protótipo em escala reduzida que emula a interação entre um motor a combustão interna (MCI) e um gerador elétrico de um VEH, utilizando a tecnologia Hardware-in-the-Loop (HIL). A abordagem adotada permite emular o sistema de geração de energia em regime permanente, com base na rotação e na diferença de torque entre as máquinas, influenciada pelo movimento angular da válvula borboleta. Neste contexto, foi desenvolvido e validado um modelo polinomial utilizando o Curve Fitting Toolbox do Matlab®, que captura com precisão as relações entre potência, velocidade e abertura da válvula. A equação polinomial proposta pode ser aplicada em estratégias de distribuição de energia do MCI, reduzindo o gasto computacional e aumentando a eficiência operacional. Os resultados quantitativos indicam que a aproximação polinomial é adequada para testes práticos do protótipo, abrindo novas oportunidades para o desenvolvimento de soluções energéticas mais eficazes e sustentáveis.
Análise do trabalho padronizado sobre a ótica da ergonomia: um estudo de caso em uma indústria de componentes para refrigeração.
(Universidade Federal de São Carlos, 2024-10-15)
Balsadi, Daniela
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Moura, Daniel Braatz Antunes de Almeida
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https://lattes.cnpq.br/5287608431146025
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https://lattes.cnpq.br/3869901428218670
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Souza, Renato Luvizoto Rodrigues de
With the development of advanced technologies and increasingly competitive and streamlined production processes, Lean Manufacturing (LM) and ergonomics have become ever more closely integrated in process improvement, yielding transformative effects on work design and organization. In this context, standardized work, within the LM framework is one of the tools that can be employed to reduce process times and eliminate waste, particularly waste related to unnecessary movement. To better understand the potential of this integration, a case study was conducted in which standardized work was implemented at the workstation exhibiting the longest cycle time, in order to assess its possible positive impacts (improvements in task execution and comfort, reduction in movement range, decreased fatigue, job enrichment, creative thinking, autonomy, enhanced well-being, and reduction or elimination of waste) as well as potential negative effects (reduced cycle time flexibility, task rigidity, increased stress, heightened pressure on workers, and greater workload). The research took place at a metalworking company located in the interior of São Paulo state. During the analysis of the targeted operation, a lack of task standardization became evident. Consequently, a standardized work method was developed and implemented, seeking a comfortable and efficient procedure in which workers could actively participate in the design, implementation, and validation of the new methods. To quantify and define work elements, a time-and-motion study was performed using the Method Time Measurement (MTM) tool; to quantify biomechanical risks, Suzanne Rodgers’s checklist was applied. The study aimed to establish safe and reliable work methods by considering both the actual activity and its inherent variabilities. In order to determine the optimal method, participatory ergonomics techniques were employed, and questionnaires were administered to assess workers’ perceptions before and after the introduction of standardized work and ergonomic improvements. Within the scope of the case study, it was found that, following implementation, workers reported higher job satisfaction, cycle-time improvements, reduced biomechanical demands (fatigue), and enhanced productivity (more streamlined and optimized processes). Despite the shorter process times and introduction of standardized methods, workers felt more confident and comfortable in performing their tasks. Overall, the integration of Lean Manufacturing tools with ergonomic principles demonstrates significant potential for the development of operational processes that are safer, leaner, more efficient, and conducive to preserving workers’ health.
Funcionamento de uma impressora 3D e sua utilidade para a construção de modelos para o ensino de Física
(Universidade Federal de São Carlos, 2024-10-15)
Reis, Eduardo Henrique de Camargo
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Souza, James Alves
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https://lattes.cnpq.br/2212240621620011
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https://orcid.org/0000-0003-0112-8332
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https://lattes.cnpq.br/0682710662109420
The emerging 3D printing technology has driven numerous practical applications in many sectors and has introduced opportunities for new teaching practices in a variety of disciplines and educational environments. The benefits offered by this technology in the school environment include greater student involvement in the proposed activities, the ability to visualize and better understand theoretical concepts and the integration of practical and theoretical skills. In Physics education, or other areas of natural sciences, the possibility of manufacturing specific models or improving the functionality of pre-existing models, makes 3D printing a great ally for teachers, since models can play a significant epistemological and pedagogical role in science education. Despite the potential of using this technology to create teaching materials and learning opportunities, little have been discussed about the need to acquire specific skills and competences to effectively integrate 3D printing in education. Our goal with this work is to provide a resource for educators and students interested in incorporating 3D-printing into their science classrooms. For this purpose we show how to perform the initial setup and first printing using the Creality Ender-3 model 3D printer. In addition to the technical details related to the use of the 3D printer, 3D modeling software, the evaluation of processes and printing materials, we also show the advantages of using printed models, with examples, for teaching Physics subjects and propose other activities to help teachers transform their science classes into a motivating and effective learning environment.
O papel das coordenadoras pedagógicas no desenvolvimento do estágio supervisionado: em questão o acolhimento e o acompanhamento
(Universidade Federal de São Carlos, 2024-10-16)
Jesus, Ana Eliza de
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Vedovatto, Dijnane
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https://lattes.cnpq.br/6758025601578309
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https://orcid.org/0000-0002-7435-6849
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https://lattes.cnpq.br/4361217892110830
The internship is an important stage in the initial training of teachers, as it gives them the chance to get in touch with the professional field, fostering knowledge of the school culture and the process of building a professional teaching identity. This research sought to analyze the perspective of the pedagogical coordinators who work in school management and who receive interns, from a perspective that considers their actions and perceptions of the supervised curricular internship of undergraduate courses. The research used a qualitative, exploratory approach, with questionnaires, document analysis and semi-structured interviews as data collection techniques. The research context was Elementary School I in schools in the municipality of São Carlos, in the interior of São Paulo. The materials collected were analyzed based on content analysis (Bardin, 2011) and, from this, the following axes of analysis emerged: the first: “The place of the internship from the perspective of the pedagogical coordinators” in which the internship is perceived by the coordinators as fundamental for teacher training, as well as the actions carried out with the interns. And the second, “Pedagogical coordination: implications and challenges encountered in the teaching internship process”, which points out difficulties in relation to working dialogues between the institutions (SME, university and schools). The results of the research show that the pedagogical coordinators understand their role with the trainees in developing actions to welcome and accompany them, as well as mediating the work of the teacher in the classroom. However, some weaknesses were also identified with regard to the role of the pedagogical coordinators with the trainees, such as the existence of gaps in the development of their work and in the organization of pedagogical work, resulting from busy routines and the absence of training relationships that cause doubts and lack of clarity in the performance of their role in a more active way. Finally, the supervised curricular internship should be highlighted as an opportunity to contribute to the trainee's learning, leading them to exercise skills such as analysis, reflection and academic articulation with the context of the profession. On the other hand, the development of these capacities can only really be built through the effective role and dispositions of all those involved, in a training community, in a real partnership to strengthen links. A link between the training spaces (university-school) is essential for the development of appropriate processes to offer internships in initial training and the development of teaching practice for learning the profession. With these considerations in mind, at the end of the research we present the need to implement actions that bring universities, the SME, schools and the agents involved closer together, overcoming the preponderance of bureaucracy so that a policy can be designed that favors better working conditions and articulation in the development of the teaching profession and the learning of professional practice in undergraduate courses.
Estimativa de mapas de profundidade usando encoder-decoder com módulos de atenção
(Universidade Federal de São Carlos, 2024-10-17)
Casado, Ricardo Salvino
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Pedrino, Emerson Carlos
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https://lattes.cnpq.br/6481363465527189
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https://orcid.org/0000-0003-3734-3202
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https://lattes.cnpq.br/1063332398688574
Camera calibration plays a fundamental role in image acquisition, being an important step in stereo vision systems. This technique allows for precise correspondence between points of interest in images captured by different cameras. With calibration, it is possible to relate real-world coordinates to image coordinates, which is essential for determining disparity (the positional difference of a point in the two images) and, consequently, estimating depth in a scene. However, the configuration of these systems is still a quite complex process. Therefore, the estimation of depth maps from single images has gained increasing traction, as it uses only one camera to capture images. Instead of relying on disparity, monocular techniques use computer vision algorithms, such as structure from motion, feature matching, and deep learning, to infer depth in a scene. Additionally, they are more flexible in terms of hardware, as they utilize only one camera, making them more suitable for applications in mobile devices and embedded systems. With this in mind, the present work proposes a new methodology that employs genetic programming and symbolic regression as an alternative to conventional camera calibration methods. The results obtained with the proposed approach demonstrate superior accuracy compared to some of the most relevant methods in the literature. All experiments conducted with this new approach were evaluated using Wilcoxon statistical tests with a significance level of 5%. For the process of estimating depth maps from monocular images, the work investigates the use of attention modules, proposing new configurations and architectural modifications with the aim of achieving competitive results relative to the state of the art. After ablation studies, it was observed that the configuration with CBAM (Convolutional Block Attention Module) in the encoder and Modified GCNet (Global Context Networks) in the decoder yielded the best results for the problem of depth map estimation using a simple Convolutional Neural Network model. The evaluation of the proposed model indicated, in some scenarios, superior performance compared to the works used for comparison, showing an improvement of 25.22% in Absolute Relative Error and 6.28% in Mean Squared Error. In summary, this work contributes significantly to the advance ment of research in camera calibration and depth estimation, opening new perspectives for the application of convolutional neural networks in resource-limited contexts. The practical implications of the results are vast, suggesting that the ongoing development of deep learning architectures can not only improve accuracy in depth estimation but also make these technologies more accessible and applicable in mobile devices and embedded systems. Future studies could explore the integration of these methodologies in real-world scenarios, enhancing their applicability in areas such as robotics, augmented reality, and autonomous navigation, thus establishing a significant advancement in computer vision research.
Educação inclusiva: ensino de botânica para deficientes visuais e videntes
(Universidade Federal de São Carlos, 2024-10-18)
Urbano, João Victor
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Sebastiani, Renata
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https://lattes.cnpq.br/9773755519907716
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https://orcid.org/0000-0003-4565-6137
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https://lattes.cnpq.br/4157088060445059
Inclusive education in regular schools (standard education system) is highly flawed. There are many reasons why this education is not successful, including the lack of teacher preparation, inadequate school infrastructure, and ineffective teaching materials. In the case of botany, teaching is inefficient even for sighted students, as relying solely on books and illustrations causes students to feel unmotivated and disconnected from plants. Considering that in botany education, the teaching materials used generally benefit only sighted students, this research poses the following guiding question: What strategies need to be employed to effectively develop botany teaching that includes visually impaired students? The objective of this study was to gather and analyze information that could be useful in developing strategies for botany education that cater to both sighted students and students with visual impairments. The study aimed to understand how the inclusion of visually impaired students is carried out at the Municipal School Professor Joel Job Fachini, identifying their needs. The research involved the participation of teachers and inclusive education monitors from the school, who were interviewed to assess the materials and infrastructure provided. The method used was Bardin's content analysis. The findings revealed that the main criticisms concerned the time required to prepare differentiated lessons, the lack of training for school staff, and insufficient support from educational policies. Overcrowded classrooms and lack of investment also significantly contribute to failures in inclusive education.
Compósitos de acrilonitrila-butadieno-estireno (ABS) reciclado reforçados com tecidos de fibras vegetais e tecidos de fibras de carbono reciclados
(Universidade Federal de São Carlos, 2024-10-18)
Hosokawa, Meire Noriko
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Paiva, Jane Maria Faulstich de
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https://lattes.cnpq.br/7926832511513537
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https://orcid.org/0000-0001-8924-6194
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https://lattes.cnpq.br/6389207869131944
Over the years, increasing technological advances have raised concerns about the quantity and proper management of waste generated in different industry sectors. Polymers such as acrylonitrile-butadiene-styrene (ABS) and carbon fibers are materials widely used in various electronics, automotive, and aeronautics sectors. These materials can also be recycled and reused in the manufacture of new products, promoting the circular economy. Natural fibers, such as jute fibers, belong to a class of materials used as an alternative to replace synthetic fibers and can be combined with recycled polymers such as ABS. In this context, this work aimed to develop hybrid composites using recycled ABS as the matrix and fabrics containing plant fibers and recycled carbon fiber fabrics as the dispersed reinforcing phase. Firstly, a study was carried out on the tensile properties of three types of bidirectional natural fiber fabrics: a jute fiber fabric (single weave, 365 g.cm-2) (T1), a jute fiber fabric (double weave, 445 g.cm-2) (T2) and a jute and cotton fiber fabric (single weave, 360 g.cm-2) (T3). To obtain the recycled carbon fiber fabrics, prepregs containing polymerized epoxy resin were used, which were subjected to heat treatments at different temperatures (450°C, 500°C and 600°C) to establish the best condition to degrade the epoxy resin and recover fabrics with properties suitable for use. The composites were molded using the hot compression method. They were evaluated by mechanical tests (tensile, flexural, and impact), thermogravimetry, water absorption, Fourier transform infrared absorption spectroscopy and scanning electron microscopy. The results showed that T2 and T3 fabrics presented higher tensile strength values and when used as reinforcement in composites, promoted an increase of 21% in tensile strength, 78% in modulus of elasticity, and 19% in flexural strength compared to recycled ABS. Regarding carbon fiber fabrics, the best condition for their recovery was treatment at 500°C for 2 hours, obtaining fibers free of epoxy resin and without apparent degradation. When used as a reinforcement phase, carbon fiber fabrics promoted an increase of 13% in flexural strength and 20% in tensile strength of the composites compared to recycled ABS. Hybridization promoted an increase of up to 16% in flexural strength, 6% in tensile strength, and 43% in impact strength of hybrid composites compared to recycled ABS. Therefore, reusing this type of prepreg containing carbon fibers from industrial waste is a viable alternative to recover high-value materials and reinsert them into the production chain, developing more sustainable products.
Consultório na rua: uma revisão integrativa da literatura
(Universidade Federal de São Carlos, 2024-10-18)
Portto, Victor Mateus Macario
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Sampaio, Sueli Fatima
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https://lattes.cnpq.br/0737750473446351
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https://lattes.cnpq.br/6670802233996632
The creation of the Unified Health System (SUS) in 1988 initiated the process of implementing the guarantee of universal public health with equity and comprehensive care, but it was only from the 1990s that several Brazilian cities began the process of considering care for the homeless population as a health policy. The Street Clinic emerges as a necessary health strategy, aiming to reach the homeless population who are often excluded from access to traditional health services for various reasons. In 2011, the National Policy for the Homeless Population was instituted and adopted by the Ministry of Health as a service relevant to Primary Health Care only in 2012. The present study aims to understand which themes permeate the scientific discussions about the Street Clinic in the period from 2012 to 2024. The method is an integrative review of the existing literature on the subject. The search for works for the research was carried out in the Virtual Health Library and in the PubMed and SciELO databases. Initial results: the identification and interpretation of the categories - vulnerability and stigma; for the right to universal access to health; the territory as a space for health care; and the experience of caring in the Street Cliinic - which permeate the existing literature on the subject and the suggestion of possible studies and pending discussions about Street Clinic from the researcher's perception in the dichotomy between theory and practice.
Análise da correlação entre rugosidade e viabilidade celular em ligas de titânio
(Universidade Federal de São Carlos, 2024-10-18)
Trevilato, Renato
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Micocci, Kelli Cristina
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https://lattes.cnpq.br/5602101431025314
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https://orcid.org/0000-0002-8079-2700
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Antonialli, Armando Ítalo Sette
The interaction between biomaterials and cells is highly influenced by surface characteristics, particularly roughness and wettability, which are crucial factors for the viability of biocomponents. This study evaluated roughness parameters, such as average roughness (Ra), skewness (Rsk), and kurtosis (Rku), as well as wettability, varying droplet volume and adjustment methods, and the viability of fibroblasts and pre-osteoblasts on bioactive surfaces. Initially, Ti-6Al-4V ELI alloy samples machined at low feed rate (f = 0.038 mm), high feed rate (f = 0.198 mm), and polished were assessed for roughness, wettability, and fibroblast viability (L929). Subsequently, commercially pure titanium (grade 4), Ti-6Al-4V ELI, and Ti-12Mo-6Zr-2Fe (TMZF) alloys, also machined at low feed rate and polished, were characterized and tested for pre-osteoblast (MC3T3-E1) viability. The results highlighted the significant impact of surface finishing. Low-feed machined surfaces exhibited hydrophilic tendencies (θ < 90°), whereas polished surfaces demonstrated hydrophobic behavior (θ > 90°). Neither adjustment methods nor droplet volume variations significantly affected outcomes. Fibroblast assays indicated greater viability on low-feed machined surfaces. At the same time, TMZF alloy samples showed the best results for pre-osteoblasts, despite no significant differences in roughness or wettability among the alloys. These findings underscore the critical role of surface finishing in optimizing biomaterials for implants.
A articulação da tipografia nos gêneros do discurso
(Universidade Federal de São Carlos, 2024-10-19)
Munhoz, João Pedro Gonçalves
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Maciel, Lucas Vinicio de Carvalho
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https://lattes.cnpq.br/8779101339709622
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https://lattes.cnpq.br/6869270759076268
Fonts are sets of characters united by a particular design form, an aesthetic concept, or a specific purpose. They are constructed using complex typographic techniques and allow for the easy production of many of the texts we read and write on a daily basis. As such, a wide variety of fonts are constantly accessed, each with its own specific visual characteristics. Given the prevalence of these typographic products, societies began to develop many conceptions about their use. This work seeks to understand the discursive mechanisms that shape typographic perceptions from an exclusively linguistic perspective, in an approach where the speech genres in which typographic uses occur are the central elements of the analysis. Through the observation of various graphic pieces, representative of different speech genres, the work seeks to describe the roles that typography plays in speech plans. The analysis is based on Bakhtin’s theory of speech genres and looks into the history of genres and typography for hints on possible dialogisms that have come to determine contemporary typographic uses. The work concludes that the typographic layer is a constitutive component of speech genres, having different degrees of relevance depending on the specificities of each speech genre.
Estudos dos processos erosivos nos cursos hídricos por antropização: o caso da bacia do rio Monjolinho em São Carlos – SP
(Universidade Federal de São Carlos, 2024-10-21)
Apaza, Gabith Sayda Quispe
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Menezes, Denise Balestrero
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https://lattes.cnpq.br/4329605467080208
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https://orcid.org/0000-0003-2962-3028
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https://lattes.cnpq.br/7391420960434888
Urban rivers are undergoing significant changes in their dynamics, such as straightening, narrowing, widening, and channelization. These transformations are the result of uncontrolled urbanization, which has overlooked the natural characteristics of watercourses and their floodplains, making urbanized areas more susceptible to bank erosion. This study aimed to analyze the effects of urbanization and anthropogenic interventions on marginal erosion processes in the Monjolinho River basin within the urban area of São Carlos, SP, Brazil. The methodology included spatial-temporal analyses of changes in the morphology and alignment of watercourses, anthropogenic interventions, engineering works, and land use and cover. Historical documents and maps from 1970, 1978, 1989, 1998, 2010, and 2023 were utilized, complemented by fieldwork and processed using GIS tools. The study revealed that direct changes to watercourses and modifications in the urban surroundings of the Monjolinho River and Gregório Stream have intensified erosion processes, sedimentation, and sediment deposition in their channels. Soil sample analyses from erosion-prone areas indicated the predominant presence of anthropogenic materials, reflecting improper landfilling and other human interventions that contributed to environmental degradation. The findings demonstrated that the straightening of the Monjolinho River and Gregório Stream, undertaken to meet urban demands, substantially altered their fluvial dynamics over the more than five decades analyzed.
Eros e o livro-viagem: outra leitura de Galáxias de Haroldo de Campos
(Universidade Federal de São Carlos, 2024-10-21)
Bomfim, Monalisa Medrado
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Marques, Wilton José
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https://lattes.cnpq.br/5763590592946918
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https://orcid.org/0000-0003-2559-9331
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https://lattes.cnpq.br/7171053176602826
The objective of this research was to discuss Galáxias, by Haroldo de Campos, from the perspective of the poem's erotic language. The galactic fragments present different levels of eroticism and, therefore, were analyzed based on the pleasure of the text, in which the erotic manifests itself at the limit of the fruition of languages, which in Galáxias also converges with the figures of women. Since the book presupposes a free reading of the pages, the analysis regrouped the fragments into constellations that privilege the protagonism of women, exploring the palimpsest constitution of the characters of the sea-woman, the prostitute-priestesses, the Dantesque Beatrice, Marilyn Monroe and the city-women. Each fragment of the poem reveals parts of these bodies, which synchronously combine into a single woman: the muse, the logopoeic center of the poem. In order to do so, eroticism was discussed based on the theories developed by Georges Bataille and Eliane Moraes, the latter of which advances the delineation of the erotic in Brazilian literature. The formal resources of erotic language were examined based on the concepts of Roland Barthes and Severo Sarduy. It should also be noted that there are several women in the poem, represented in different geographical and historical contexts; the analysis sought to highlight them, outlining a synchronic-diachronic study. The research, therefore, highlighted the erotic aspects of Galáxias, especially those linked to the depiction of women, understood as central elements of the poem's signifying system.
O conceito de indagação dialógica em Gordon Wells: indicações para o ensino nas salas de aula contemporâneas
(Universidade Federal de São Carlos, 2024-10-22)
Souza, Michelle de
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Marigo, Adriana Fernandes Coimbra
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https://lattes.cnpq.br/4014738511373573
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https://orcid.org/0000-0002-8784-3478
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https://lattes.cnpq.br/8263371733675487
This work is the result of a bibliographic research conducted through content analysis of the book “Indagación dialógica: hacia una teoría y una práctica socioculturales de la educación”, written by Gordon Wells and originally published in 1999. Its aim was to analyze how the concept of dialogic inquiry can contribute to the improvement of teaching and learning processes in contemporary classrooms. The specific goal was to identify and extract from this author's work key indications for transforming teaching practice in the classroom. The guiding questions for this research are as follows: What is the role of the teaching profession in the concept of dialogic inquiry? How can this concept contribute to transforming teaching practice for teaching and learning in the information society? The methodological approach adopted is based on the guidelines of Bardin (2015), involving a careful analysis of the selected material, the separation of analytical categories, the formulation of hypotheses, and the treatment of the results found. The theoretical framework selected engages with the author's concept and is grounded in the communicative conception of education, which sees dialogicity as the means through which we can reduce educational inequalities. As results, we found that dialogic inquiry is relevant in the information society, as it contributes to overcoming the traditional teaching model, altering the rules that prescribe the actions of educators, and addressing the challenge of producing knowledge in this society. The analysis concluded that dialogic inquiry is not just a concept, but a way of being that has a high transformative potential for teaching practice and aligns with a teaching approach that enables students to understand how knowledge is co-constructed.
A mulher-mãe em (dis)curso: a cena enunciativa na rede social Instagram
(Universidade Federal de São Carlos, 2024-10-22)
Silva, Alice Rios Carini
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Araújo, Lígia Mara Boin Menossi de
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https://lattes.cnpq.br/7893136450669304
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https://orcid.org/0000-0003-2047-3019
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https://lattes.cnpq.br/6591874970108412
The way in which society is transformed through the different technological resources at its disposal inspires the construction of this master's research, by asking questions about women in the role of mother in digital media. The objectives we set are: to weave reflections on how the discursive construction of what it means to "be a mother" on Instagram takes place, to check whether there is a movement of (re)signification of this woman's performance when circulated on the Web, to identify the main regularities and irregularities around statements that contain definitions of “mother” both in traditional dictionaries and in posts on the social network Instagram. And, thus, we answer the following question: can the woman-mother, when symbolically portrayed and defined on the social network Instagram, be linked to a scenography of idealization and romanticization of motherhood? To this end, we will base ourselves theoretically and methodologically on the analysis of French discourse with an enunciative basis undertaken by Dominique Maingueneau (2008, 2015) in his studies regarding scenes of enunciation and we will also use as theoretical material ideas from Marie-Anne Paveau (2021) about the analysis of Web 2.0 digital discourse. Considering the functioning of digital discourse, interpreting testimony by testimony, to analyze the scenes of the statement, analyzing the encompassing scene, the generic scene and the scenography of the speeches behind each definition of the woman-mother, for this we will consider language as a matter of discursive event, producing a certain utterance. The corpus of analysis is found in profiles on the social network Instagram that try, in an ironic way, to present the meaning of what it means to “be a mother” and describe motherhood. By reading these materials, we are checking whether there is a movement of (re)signification of this role of women when circulated on the Web. The idea is not to make comparisons between posts, but rather to find a pattern of reproduction in the definitions, to understand how the digital medium defines “being a mother”. Our hypothesis is that these discourses that circulate in certain profiles solidify the image of women as multitaskers, who dedicate themselves to their family out of love and should be the sole caregiver for their children.
Ingressos em circulação: um estudo sobre a revenda, legislação e o papel das plataformas digitais
(Universidade Federal de São Carlos, 2024-10-23)
Teixeira, Izabela Martins
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Salzedas, Rafael Peres
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Ferragi, Cesar Alves
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https://lattes.cnpq.br/8059661338196579
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https://orcid.org/0000-0001-8066-500X
This study carries out a survey on the resale of tickets, the legislation regarding the subject, what is scalping, analyzes platforms and, from a questionnaire, with 168 respondents, the behavior of the attending public towards the circulation of income and scams. The research examines the motivations of a resale, its legality, on which platforms we can find them and, from there, discuss and verify the problems surrounding the subject, the late existence of legislation on the exchange, scams applied through social networks and how this affects the public and the event production. Through a bibliographic survey, we can analyze the existing legislation, the Fan Statute and the consumer protection code, as well as as the recent approval of Law 14,597/23, which criminalizes exchange. It is through resells that fans can get tickets that are already sold out on official platforms, if They connect to each other and you can find the same ticket at different prices, but They encounter scams, abusive prices and are not protected by the event producer. oh Study indicates that greater regulation and policy implementation is necessary. audiences on the subject, as well as an improvement in purchasing and sales and social networks, in order to promote an enriching and safer experience for fans and those involved in the event.
Sistema de suporte multicamada na realidade brasileira: formação para modular os apoios às necessidades dos estudantes
(Universidade Federal de São Carlos, 2024-10-24)
Costa, Juliane Dayrle Vasconcelos da
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Mendes, Enicéia Gonçalves
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https://lattes.cnpq.br/3897627554738983
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https://orcid.org/0000-0003-3673-0681
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https://lattes.cnpq.br/1803843269613637
During the two years of the Covid-19 pandemic, society faced a scenario marked by uncertainties, losses, and fears, affecting different sectors of society, including education. With the return of in-person activities, new challenges and tensions arose, both for teachers and students, regarding ensuring participation and promoting learning for all. Given the magnitude of these challenges in the current context, and recognizing the need for schools to reorganize in order to offer adequate support, services, and assistance to meet the demands of diversity, the use of innovative proposals for this new context became timely.In light of this, the present research has the general objective of developing, implementing, and evaluating a training program on the Multi-tiered System of supports (MTSS) for education professionals, aiming to contribute to their professional performance and training, thus promoting greater accessibility for students with and without disabilities. The specific objectives are: a) To develop a training program on MTSS for professionals working in education; b) To describe and analyze an innovation plan on MTSS, built collaboratively between trainers and participants; c) To evaluate the impacts of the training program on the class, the school, and the municipal network based on the professionals' perceptions; d) To assess the limitations and contributions of the MSS proposal in expanding the school's capacity to respond to the diversity of students.This study adopts a qualitative, exploratory approach, using a collaborative action research design. Thirty-eight professionals from the municipal network of a city in the state of São Paulo participated in the research. The study was conducted in three stages: 1) Planning a training program on the Multi-tiered System of supports; 2) Implementing the training program on the Multi-tiered System of supports; and 3) Evaluating the training program on the Multi-tiered System of supports. Data collection was predominantly carried out in virtual environments, through formative meetings and focus groups. An Innovation Plan to Promote the Multilayered Support System was collaboratively developed to be implemented in a challenging class, referred to in this study as "Girassol."After data collection, the material was edited, transcribed, and later analyzed through Content Analysis (CA), and categorized into three main categories: Innovation plan based on MSS; Impact of the training program; and Evaluation of the training program on MTSS. Overall, the results showed an appropriation of the concepts and principles of MTSS, which was fundamental for the development and implementation of the Innovation Plan to Promote MTSS. Significant changes were observed in the Girassol class, in the school, and in the municipal education network. Additionally, the program was well received by the participants, with positive evaluations.