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A implementação da curricularização da extensão na graduação da UFSCar: desafios e estratégias
(Universidade Federal de São Carlos, 2026-08-20)
Guedes, Manuela Max Ferreira Fontoura
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Capella, Ana Cláudia Niedhardt
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http://lattes.cnpq.br/5810332148425938
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http://lattes.cnpq.br/4769142367233548
;
https://orcid.org/0009-0006-6458-4801
Extension curricularization is an educational policy aimed at integrating university extension into undergraduate curricula, in accordance with the Guidelines for Extension in Brazilian Higher Education. This research aimed to understand how the extension curricularization policy has been interpreted and implemented in undergraduate programs at the Federal University of São Carlos (UFSCar), based on course coordinators’ perceptions of its issues, objectives, challenges, and strategies, in light of the theoretical framework of public policy implementation. This is a qualitative study, supported by descriptive quantitative data, of an applied nature, developed through a Systematic Literature Review (SLR), document analysis, and a case study. The SLR identified challenges and strategies related to the implementation of extension curricularization in Brazilian Higher Education Institutions. The UFSCar case study involved institutional documents and an electronic questionnaire administered to undergraduate course coordinators at the São Carlos campus, with content analysis of the data. The SLR revealed a predominance of pedagogical challenges, particularly the conceptual and operational maturation of extension, the overcoming of assistentialist practices, and resistance or low engagement among faculty and students, as well as institutional challenges such as insufficient infrastructure, bureaucratic processes, and communication weaknesses. At UFSCar, significant convergence with the literature was observed, particularly regarding the conceptual maturation of extension and the need to strengthen institutional capacities. The data also revealed different understandings of the policy’s purpose, as only some respondents explicitly associated extension curricularization with student development. Among the strategies, faculty and student training and awareness-raising, active methodologies, and the creation of extension-oriented curricular components stood out, aiming to strengthen the understanding of extension as a formative dimension and promote student protagonism. The results contribute to university management and educational policies, particularly regarding pedagogical training, curricular organization, and the consolidation of extension as a constitutive dimension of academic education and the university’s social role.
O que pode uma história sobre histórias de grupos colaborativos em educação matemática?
(Universidade Federal de São Carlos, 2026-08-21)
Silva, Danielle Abreu
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Ciríaco, Klinger Teodoro
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http://lattes.cnpq.br/2947929641568853
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https://orcid.org/0000-0003-1694-851X
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http://lattes.cnpq.br/8811258717761378
This doctoral dissertation was developed within the Graduate Program in Education (PPGE) at the Federal University of São Carlos (UFSCar), under the research line Teacher Education and Other Educational Agents. The study aimed to understand the limits, challenges, and perspectives experienced by Mathematics Education researchers in structuring their doctoral dissertations developed with groups in collaborative contexts, based on the history of their histories. Grounded in Oral History as a theoretical and methodological perspective, the research identified doctoral dissertations in the field of Mathematics Education whose data were produced with groups exhibiting collaborative characteristics and conducted narrative interviews with three researchers responsible for these investigations. The narratives were produced and analyzed in the light of Oral History, seeking to understand the processes of group constitution, the challenges experienced, the strategies developed throughout the process, and the meanings retrospectively attributed to these experiences. The results revealed that the formation of groups with collaborative characteristics was a relational, dynamic, and continuously negotiated process, marked by challenges related to building trust, maintaining participant engagement, sharing leadership, reorganizing practices, and the role assumed by the researcher during the investigation. The analyses enabled the development of theoretical methodological indicators that contribute to understanding the formation of such groups and to future research conducted in collaborative contexts. It is argued that the investigation's main contribution lies in highlighting the power of Oral History to generate new understandings of past experiences, allowing researchers to revisit their trajectories, reframe investigative processes, and produce knowledge that extends beyond what was recorded in the original studies. Thus, the thesis expands the possibilities for research on groups with collaborative characteristics in Mathematics Education by offering an understanding that interlinks processes of professional development, collaboration, and knowledge production based on the narratives of the researchers themselves.
As plataformas digitais na rede de ensino pública estadual: a compreensão de professores em uma escola de Sorocaba-SP
(Universidade Federal de São Carlos, 2026-08-21)
Feltrin, Caroline Barros dos Santos
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Sant'Ana, Izabella Mendes
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http://lattes.cnpq.br/7860235863062183
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https://orcid.org/0000-0001-9381-350X
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https://lattes.cnpq.br/8940607749065496
The expansion of digital platforms in São Paulo's public education, intensified after the covid-19 pandemic, has reshaped pedagogical practices, forms of school monitoring and ways of organizing teaching work, producing new demands and challenges in the daily routine of schools. This study aimed to investigate the understanding of teachers from a state public school in the municipality of Sorocaba regarding the use of digital platforms, as well as its implications for teaching and learning in the post-pandemic context. The specific objectives were: to investigate how teachers understand digital platforms, covering their pedagogical usefulness, their potential and the challenges faced in everyday school life; and to learn about their understandings of the effects of technologies on student learning and on teaching practice. The research was grounded in the historical-cultural theory of Lev Semionovitch Vigotski (1896-1934), beginning with a systematic mapping of academic works on the topic and proceeding with semi-structured interviews conducted with five teachers from the final years of Elementary School and from Secondary School. The results indicate that the potential of the platforms and the possibilities for diversifying materials and pedagogical practices are acknowledged, but the accounts reveal challenges such as standardization processes; the imposition of targets; the centralization of pedagogical decisions; the reduction of pedagogical autonomy; and the displacement of didactic planning towards tasks of monitoring, recording and tracking. The effects on learning include practices marked by haste, by the mechanical execution of activities and by superficial engagement with content. It is argued that digital platforms incorporate logics of management, control and performativity, aligned with educational policies of neoliberal orientation, which affect both the working conditions of teachers and the ways in which students learn. Understanding these processes requires considering the relations between educational policies, concrete working conditions and the forms of mediation established in everyday school life.
"Mulher tem de ter expediente!": um estudo crítico e interseccional da evasão escolar de mulheres negras do campo
(Universidade Federal de São Carlos, 2026-08-21)
Ferreira, Valdirene de Jesus
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Zuin, Antônio Álvaro Soares
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http://lattes.cnpq.br/5543562307373287
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https://orcid.org/0000-0002-6850-2897
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http://lattes.cnpq.br/0627939230966347
This thesis investigates school dropout among Black women from rural communities, understanding it as a social phenomenon produced within historical relations of inequality that condition the possibilities of access to, persistence in, and completion of schooling. Grounded in Critical Theory of Society and an intersectional perspective, the research aimed to investigate the factors that lead Black women from rural communities to drop out of basic education, considering the intersection of race, gender, economic conditions, and territory. Methodologically, the study was conducted in three complementary stages: literature reviews of national and international academic research on school dropout; descriptive statistical analysis of official data on schooling and school dropout in the Viçosa Microregion, Minas Gerais; and semi-structured interviews with eleven Black women living in rural communities across eight municipalities in the region. The literature reviews revealed a scarcity of studies on school dropout among Black women from rural communities and showed that, even internationally, race, gender, and territory tend to be investigated in a fragmented manner. The statistical analysis made it possible to assess educational inequalities but also revealed limitations in official databases regarding the simultaneous articulation of these social markers. The participants’ narratives demonstrated that the interruption of schooling did not result from individual choice or lack of interest in education, but from the combined effects of territorial barriers, economic constraints, early entry into work, racism, gender inequalities, motherhood, and exclusionary school practices. The findings showed that these factors are not experienced in isolation but intersect and reinforce one another throughout educational trajectories. It is concluded that school dropout among these women expresses historical and structural processes of exclusion that precede their departure from school and contribute to the reproduction of social inequalities, restricting access to knowledge and, consequently, the possibilities for critical education and emancipation.
Análise bibliométrica do periódico Currículo Sem Fronteiras (2001-2025)
(Universidade Federal de São Carlos, 2026-08-21)
Ribeiro, Alcides Mariano
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Hayashi, Maria Cristina Piumbato Innocentini
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http://lattes.cnpq.br/7263318849588556
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https://orcid.org/0000-0003-1250-3767
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http://lattes.cnpq.br/2199932818322128
This dissertation analyzes scientific output in the field of curriculum studies published in the journal Currículo Sem Fronteiras from 2001 to 2025, using a bibliometric approach combined with qualitative dimensions of analysis. The research draws on contributions from Information Science and the Sociology of Science—with particular emphasis on Pierre Bourdieu’s work on the scientific field—as well as curriculum studies, in order to situate the analyzed output within the dynamics of the production and circulation of academic knowledge. Methodologically, this is an exploratory and descriptive study that employs bibliometric analysis procedures to develop quantitative indicators, complemented by the identification of qualitative dimensions through content analysis. The quantitative results of the general characterization of the corpus show that scientific articles constitute the overwhelming majority of the published output, representing 93.15% of the total documents examined in the study.An analysis of authorship dynamics reveals a well-established trend toward collaborative intellectual production, marking the gradual decline of the traditional, individual model of academic writing. The geopolitical mapping of author contributions lays bare the limits of the effective internationalization achieved by the journal Currículo Sem Fronteiras throughout its history. Although the journal’s editorial manifesto envisioned the creation of a transnational space for critical dialogue within the Portuguese-speaking world, contributions from African Portuguese-speaking countries such as Angola and Mozambique were limited to just two articles each. The application of bibliometric indicators revealed the existence of a group of dominant actors who exercise a strong monopoly over scientific authority and dictate the journal’s theoretical trends.. An examination of the articles’ academic impact—measured using data collected from the Google Scholar platform—unveils the operation of the Matthew Effect in the distribution of scientific prestige. The temporal distribution of the most-cited publications reveals marked chronological discontinuities, which are sociologically interpreted as reflections of paradigmatic shifts and moments of maturation in the scientific literature. From the perspective of the nature of the research published, the results point to a clear dominance of basic research over applied research. The results also empirically indicate that the journal Currículo Sem Fronteiras has served as a powerful vector for professionalization, circulation, and political resistance within the curriculum field over the course of two and a half decades. The bibliometric and qualitative findings show how the accumulation of scientific capital has shaped a group of dominant actors, while the journal has ensured the dissemination of dissenting voices in the face of democratic setbacks.
Avaliação do ciclo de vida no contexto da economia circular para resíduo de PVC proveniente do setor automotivo
(Universidade Federal de São Carlos, 2026-08-21)
Maceno, Marcos Vinícius
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Moris, Virginia Aparecida da Silva
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http://lattes.cnpq.br/1101036108950133
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https://orcid.org/0000-0002-6374-1792
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http://lattes.cnpq.br/2983928900618065
Sustainability issues are increasingly valued in today's society, and many sectors of the economy are being pressured to develop more environmentally sound operations. The automotive industry, which is intensive in natural resources, is no different and faces societal pressure to evolve in favor of the environment. One of the most relevant and demanded themes concerns the application of circular economy (CE) concepts. In this sense, this work studied sustainable alternatives for the management of polyvinyl chloride (PVC) waste in the automotive sector, from the perspective of the circular economy and Life Cycle Assessment (LCA). The work was structured in two studies. The first was a systematic review (SLR) to understand the current scenario of alternatives for PVC and to confirm their efficiency via LCA. This work showed that there are promising initiatives, but they still need to mature. The second study deepened the knowledge developed in the previous study by applying LCA to a real-world case of reusing PVC waste from the automotive painting process, used in the manufacture of PVC automotive mats. The results obtained were promising, highlighting the reduction of potential environmental impacts in practically all evaluated categories and reinforcing the environmental benefit associated with the circularity of PVC. It was identified that the main hotspot in the material's life cycle—evaluated from a cradle-to-grave approach in its application as a raw material for automotive mats—is concentrated in the virgin PVC production stage, which confirms the advantages of adopting practices aligned with the circular economy. In a comprehensive way, this work directly contributes to the advancement of PVC circularity in the automotive sector and can support the development of industrial initiatives and public policies aimed at promoting the circular economy.
Entre a invasão e a síntese político-curricular: uma análise Materialista Histórico-dialética freireana das políticas curriculares de Sorocaba para a Educação Física (2011–2025) a partir do Movimento de Reorientação Curricular de São Paulo
(Universidade Federal de São Carlos, 2026-08-25)
Vieira, Luiz Renato Assunção
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Torres, Juliana Rezende
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http://lattes.cnpq.br/3083345943491817
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https://orcid.org/0000-0002-4598-6702
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http://lattes.cnpq.br/6267440614385448
This study aims to analyze the periods between 2011 and 2025 in which the development of curriculum policies for Physical Education in Sorocaba moved closer to or further away from a liberating conception of curriculum policy, using the São Paulo Curriculum Reorientation Movement as a reference. It is grounded in the understanding that the curriculum is not merely a neutral document for organizing content, but rather an expression of societal projects, political disputes, power relations, and educational intentions. To this end, the study contextualizes the history of Brazilian curriculum policies, the specificities of Physical Education within this trajectory, and the Physical Education Renewal Movement as an important milestone in the construction of critical and counter-hegemonic possibilities for the field. The research is theoretically grounded in Historical-Dialectical Materialism and Paulo Freire’s Liberating Education, understanding the São Paulo Curriculum Reorientation Movement as a concrete manifestation of a liberating curriculum policy. The methodological approach is qualitative and comprises bibliographic research and documentary analysis, with the data examined through Discursive Textual Analysis. The documentary corpus, consisting of Sorocaba’s curriculum documents, was analyzed according to four categories: autonomy, educators’ continuing professional development, collective participation, and the valuing of the relationship between theory and practice. The analysis led to the emergence of the interpretive categories of political-curricular invasion and political-curricular synthesis, which were used to understand the development of curriculum policies in Sorocaba. The findings indicate that this process did not occur linearly, but was characterized by convergences, divergences, contradictions, and ruptures in relation to the principles of a liberating curriculum policy. Among the documents analyzed, the second version of the Reference Framework showed the closest alignment with political-curricular synthesis, whereas the Curriculum Matrix, the SESI Curriculum, and, to some extent, the São Paulo State Curriculum and the Planning Guidelines Handbook revealed tendencies toward political-curricular invasion. It is argued that overcoming this scenario requires the establishment of a curriculum reorientation movement in Sorocaba, developed through a democratic, dialogical, collective, and ongoing process, with a view to fostering a critical and humanizing education committed to transforming concrete reality.
Formação de diretores de escola/ diretores escolares: conhecimentos e desafios para a educação das relações étnico-raciais e decolonização dos currículos
(Universidade Federal de São Carlos, 2026-08-25)
Almeida, Juliana Maria Gastaldi Redondo Mendes de
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Sousa, Maria do Carmo de
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http://lattes.cnpq.br/6637658562543505
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https://orcid.org/0000-0002-5523-757X
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https://lattes.cnpq.br/0226686596084660
This research aims to analyze the knowledge and challenges regarding Education for Ethnic-Racial Relations and curriculum decolonization made explicit by school principals working in schools in a city in the interior of São Paulo state, starting from the research question: "What knowledge and challenges regarding Education for Ethnic-Racial Relations and curriculum decolonization are made explicit by school principals?" The study is grounded in the concepts of coloniality of power, of knowledge, and of being, articulated with the perspective of decoloniality as a way of confronting the Eurocentric structures present in Brazilian education, drawing on the theoretical contributions of Quijano (2005, 2007), Mignolo (2017), Walsh (2018), Gomes (2012, 2013, 2018, 2019), Kilomba (2019), Bento (2022), and other authors in the anti-racist and decolonial field. This is a qualitative study, carried out by means of an electronic questionnaire applied to twenty-two school principals from the state education network in a city in the interior of São Paulo, with approval from the Research Ethics Committee and from the School for Training and Improvement of Education Professionals (EFAPE). Data were analyzed through Content Analysis. The results show the presence of different levels of racial literacy among participants — Critical, Normative, and Reactive — indicating that principals with a broader understanding of ethnic-racial relations tend to develop formative processes more closely articulated with the curriculum and with the Political-Pedagogical Project, and that insufficient initial training, the discontinuity of formative policies, and the managerial model adopted by the São Paulo state network constitute significant obstacles to the implementation of ERER and curriculum decolonization. As an educational product, the Trilha Formativa Reexistir em ação: porque nós somos — trilha formativa para uma educação antirracista e decolonial was developed, structured around five thematic axes and grounded in Ubuntu philosophy. It is concluded that the school principal occupies a strategic position in promoting anti-racist and decolonial practices, acting as an organizer of collective formative processes able to strengthen the construction of a school culture committed to racial equity and social justice.
Programa Lotes Sociais: uma alternativa habitacional a partir das áreas institucionais desafetadas em Sorocaba (SP)
(Universidade Federal de São Carlos, 2026-08-27)
Bottosso, Bianca Marchesin
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Silva, Carlos Henrique Costa da
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http://lattes.cnpq.br/5444248390841543
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https://orcid.org/0000-0003-2910-6602
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http://lattes.cnpq.br/2558852959598840
This study analyzes the alternative developed by the municipal government of Sorocaba to address the housing needs of families specifically the Programa Lotes Sociais (PLS), implemented by the Department of Housing and Land Regularization (SEHAB). The PLS entails the transfer of ownership—via a conditional donation—of lots up to 125 m² to beneficiaries of the Auxílio Moradia program (municipal rent subsidy) or to families living in Areas of Special Social Interest (AEIS) where regularization was previously blocked. This process involves reclassifying public institutional land for residential use, subject to a technical feasibility study and legislative authorization. The study involved interviews with well-informed public officials responsible for designing, managing, and implementing the Social Lots proposal. Research findings indicate that the PLS expands housing options and helps reduce vulnerability. However, access to land does not immediately guarantee housing security, as the program's effectiveness depends on the responsibility for constructing the home a task requiring financial capacity, a reasonable level of technical know-how, and a stable income.
Letramento racial e educomunicação na escola pública estadual: a produção audiovisual como expressão do protagonismo juvenil no ensino médio
(Universidade Federal de São Carlos, 2026-08-27)
Ferreira, Pedro Henrique Eneas
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Sousa, Maria do Carmo de
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http://lattes.cnpq.br/6637658562543505
;
https://orcid.org/0000-0002-5523-757X
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http://lattes.cnpq.br/6448956503410540
Inspired by the idea that historically silenced subjects need to narrate their own stories, this dissertation understands narrative as a political, formative, and epistemological act in response to school and media traditions that have historically erased Black voices and experiences. The research was guided by the following question: how can audiovisual production, grounded in the principles of educommunication and guided by an anti-racist and decolonial perspective, express the youth protagonism of high school students? The general objective was to analyze audiovisual production as an expression of youth protagonism among high school students, based on the Nossas Narrativas project, developed in a public state school in the interior of São Paulo, Brazil. The project involved the production of podcast episodes and audiovisual materials addressing memory, identity, representation, epistemicide, and youth protagonism. Methodologically, this is a qualitative study, configured as a single embedded case study and articulated with a quantitative-descriptive diagnostic stage. The investigative process involved the analysis of a diagnostic questionnaire applied by the Student Council to 282 students, the constitution of the participant group, an educommunication and racial literacy workshop, production meetings, podcast recordings, field diary, focus groups, individual interviews, document analysis, and systematization of the Educational Product. The final production group consisted of six students. Data analysis was conducted based on Content Analysis, in dialogue with the Baobab of Concepts, a theoretical-analytical matrix constructed to articulate coloniality of knowledge, epistemicide, critical racial literacy, educommunication, audiovisual production, youth protagonism, and empowerment. The analytical triangulation, guided by five theoretical propositions and by the methodological procedures of the case study, resulted in differentiated verdicts: three propositions were supported with qualification, one was supported with methodological reservation, and one was partially supported. The data indicate that audiovisual production, when guided by anti-racist pedagogical intentionality, enabled participants to name erasures, formulate questions, interview Black reference figures, control narrative devices, and publicly circulate their productions. Three central analytical axes were identified: narrative sovereignty, Black intellectuality on scene, and supportive horizontality. The individual interviews indicated subjective and formative shifts in the participant subgroup, especially in the way they recognized Black references, interpreted the school, and understood their own position in the production of narratives. However, the study design does not allow for longitudinal monitoring of the permanence of these shifts nor for statistical generalizations to non-comparable contexts. As a practical contribution, the Educational Product Nossas Narrativas was developed, consisting of a digital repository and an educommunication and podcasting guide aimed at Basic Education teachers. The study argues that anti-racist education is not consolidated through isolated actions, since it requires continuity, collective elaboration and openness to silences and to different rhythms of participation.
Estratégias fotocatalíticas para a síntese de moléculas fluoroalquiladas com potencial bioativo
(Universidade Federal de São Carlos, 2026-08-27)
Pissinati, Emanuele Ferrari
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Paixão, Márcio Weber
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http://lattes.cnpq.br/3773908504964104
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https://orcid.org/0000-0002-0421-2831
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http://lattes.cnpq.br/3201282953820524
Fluorinated compounds are highly relevant in contemporary chemistry due to the unique properties imparted by fluorine and are widely employed in the development of molecules of pharmaceutical and agrochemical interest. In this context, the introduction of fluoroalkyl groups represents an important strategy for modulating the properties of organic molecules. Although numerous methodologies have been developed, many still require harsh reaction conditions, transition metals, or reagents that are difficult to handle. In light of these challenges, visible-light photocatalysis has emerged as an efficient and sustainable approach for the controlled generation of radical species under mild conditions. This thesis therefore focuses on the development of metal-free photocatalytic methodologies for the incorporation of fluoroalkyl groups into organic substrates, with the aim of functionalizing molecules with potential bioactivity. In this context, Chapter 1 describes the development of a protocol for the difluoroacetylation and difluoroacetamidation of peptides containing the amino acid tryptophan. The methodology showed good compatibility with di- to heptapeptide sequences, enabling the synthesis of 21 products in yields of up to 73%. Mechanistic studies were also conducted, providing insights into the nature of the species involved and the proposed mechanism of these transformations. Chapter 2 focuses on the difluoroacetylation of vinyl-C-glycosides, a class of sugar-derived olefins, for the synthesis of glycoamino acids and difluoroalkylated neoglycopeptides. The approach enabled the synthesis of 24 products in yields of up to 81%, demonstrating compatibility even with unprotected sugar derivatives. Mechanistic studies were also conducted to investigate the steps involved in the process. Finally, Chapter 3 describes the development of a domino synthetic strategy for the preparation of a new class of perfluoroalkyl- and difluoroalkylsubstituted 2-pyrazolin-5-ones. The methodology exhibited broad functional group tolerance, enabling the investigation of an extensive substrate scope comprising 44 examples, with isolated yields ranging from 17 to 90%, and was successfully translated to a continuous-flow photochemical system. Complementary mechanistic studies provided further insights into the transformation and supported the proposed reaction mechanism. Overall, the strategies developed in this thesis expand the possibilities for the synthesis of fluorinated compounds through efficient, mild, and sustainable photocatalytic methodologies.
A semântica da exclusividade: uma tipologia dos exclusivos do português brasileiro
(Universidade Federal de São Carlos, 2026-08-28)
Rodrigues, Adriano Lopes
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Basso, Renato
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http://lattes.cnpq.br/6984826176670527
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https://orcid.org/0000-0003-2580-0365
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http://lattes.cnpq.br/7482048610537232
In the Portuguese language, more specifically in Brazilian Portuguese, items such as só (“only”), somente (“only”), exceto (“except”), among others of this nature, can be classified in formal semantics as “exclusives.” There are no solid analyses in the formal semantics and pragmatics literature that examine these items in Brazilian Portuguese from this perspective. In light of this, the present study investigates exclusive items in Brazilian Portuguese through two theories of exclusives, which we will refer to as Coppock and Beaver’s (2013) “Maximum and Minimum Theory” and Wiegand’s (2018) “Morphosemantic Theory,” with the aim of proposing a minimal typology for these items and structures in Brazilian Portuguese. Both theories focus on exclusives in English, particularly the particles just and only: the former argues that exclusives contain a presuppositional component (minimum) and a quantificational component (maximum), while the latter argues that exclusives operate directly on sets of alternatives ranked by the speaker.We propose that Portuguese exclusives also fit within the theoretical frameworks presented and can initially be classified into two distinct groups: Focus Exclusives and Negation Exclusives. The former aim to delimit and/or exclude elements from a larger set to which they belong (as in só and apenas in sentences such as “Eu só/apenas falo português” — “I only speak Portuguese”); the latter focus on the contrast between two sets, necessarily involving the negation of one set in relation to the other (as in exceto in sentences such as “Todos vieram me ver, exceto João” — “Everyone came to see me, except João”).There are also cases in which certain exclusives behave differently from the proposals by Coppock and Beaver (2013) and Wiegand (2018), referred to by Beltrama (2021) as Emphatic Exclusives (EE). These operate by delimiting and/or negating alternatives within their scope (in English, the item just, and in Brazilian Portuguese, simplesmente), as in the sentence: “Este filme é simplesmente maravilhoso” — “This movie is simply wonderful.” In this case, for the speaker, there would be no other adjectives that could be inserted as alternatives to maravilhoso (“wonderful”).
Crescimento e produtividade de plantas não convencionais em sistemas silvipastoris sob orientações de plantio Norte/Sul e Leste/Oeste
(Universidade Federal de São Carlos, 2026-08-28)
Rossi, Ana Caroline
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Campana , Mariana
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Oliveira, Renata Evangelista de
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http://lattes.cnpq.br/1957836503940255
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http://lattes.cnpq.br/6777223792862756
The conventional extensive livestock farming model generates significant environmental impacts, reinforcing the need for sustainable alternatives such as Silvopastoral Systems (SPS). This study evaluated the silvicultural response, biomass accumulation, and morphological composition of mulberry (Morus nigra L.), gliricidia (Gliricidia sepium (Jacq.) Walp), and tithonia (Tithonia diversifolia (Hemsl.) A. Gray) subjected to North/South (N/S) and East/West (E/W) planting orientations. The experiment was conducted at UFSCar, Araras-SP, using a completely randomized design with six replicates per treatment. Height, stem diameter, and canopy diameter were evaluated at 10, 20, and 30 days of growth, in addition to green mass production (GMP), dry mass (DM), dry matter content (DM%), and the leaf-to-stem ratio at 30 days of regrowth. Evaluations were performed every 10 days over a 12-month period, from March 2024 to February 2025. Data were analyzed using the SAS PROC MIXED procedure. There was no triple interaction (cycle/time/planting orientation) for the morphometric variables (P ≥ 0.058). In general, the E-W orientation favored initial vegetative vigor, increasing height and canopy diameter for mulberry, stem diameter for gliricidia, and both stem and canopy diameters for tithonia. For mulberry, the E-W arrangement increased fresh biomass yield (333 vs. 184 kg ha¹ cycle¹) and dry biomass yield (86.7 vs. 51.9 kg ha¹ cycle¹), while reducing dry matter content. For gliricidia and tithonia, the orientation did not alter biomass production or dry matter content. Morphological partitioning was also unaffected, maintaining mean leaf proportions of 706, 811, and 688 g kg¹ for mulberry, gliricidia, and tithonia, respectively. Peak biomass production occurred between October and January/February, coinciding with the period of greatest water and thermal availability. It is concluded that the E-W orientation favors initial development and can increase biomass productivity, particularly for mulberry. However, forage accumulation is strongly influenced by climatic seasonality, indicating that cutting or grazing management should be flexible and guided by morphological indicators, such as canopy height
Serviços na atenção e proteção básica à pessoa idosa: destaque nas regiões brasileiras e mecanismos de interface intersetorial
(Universidade Federal de São Carlos, 2026-08-31)
Mizumukai, Juliane Kiyomi
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Varoto, Vania Aparecida Gurian
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http://lattes.cnpq.br/7449531039410521
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https://orcid.org/0000-0002-3763-5638
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http://lattes.cnpq.br/3770267535120211
The rapid process of population aging in Brazil has increased the necessity of strengthening the care networks directed to the elderly population. In this context, the present study objectified a comparative analysis of the territorial distribution of the services of Primary Health Care (APS), of Basic Social Protection (PSB) and of Intersectoral Services destined to the elderly person in the five Brazilian regions, considering the years 2022 and 2024. The dissertation was elaborated through a qualitative bibliographic review about the challenges of APS in the care to the elderly person and of a descriptive quantitative study based on data originating from the DGeroBrasil project. Furthermore, complementary information from the National Registry of Health Establishments (CNES), SUAS Census and other official public databases were utilized. The bibliographic review identified challenges related to the essential attributes of APS, highlighting the high turnover of professionals, weaknesses in the articulation of the service network and difficulties of access to the assistance. As demonstrated in the analysis of the services, in the year 2022, 31,514 services of APS, 15,994 of PSB and 4,281 Intersectoral Services were identified. The proportional analysis demonstrated the existence of regional inequalities, with greater population coverage of services in the South region and greater proportions of services per municipality in the North region. Between 2022 and 2024, an increase of 5,749 units was observed in APS, totaling 37,263 services, while PSB registered an increase of 491 units, reaching 16,485 services. In counterpoint, the reduction of 875 Health Posts and of 203 teams of the Family Health Strategy was verified. In the Intersectoral Services, an increase of the registries of Municipal Councils of the Elderly Person was observed, from 821 to 4,027. However, the unavailability of standardized data for part of the intersectoral devices in 2024 limited the temporal comparison and the complete analysis of this component. It is concluded that, despite the amplification of the offer of services directed to the elderly population between 2022 and 2024, important territorial inequalities persist in the distribution of the resources of health, social assistance and intersectoral protection. The results of the study reinforce the importance of planning, of monitoring and of the strengthening of the care networks, as well as of the qualification of information systems, aiming to promote greater equity in the care to the Brazilian elderly population.
Estudo comparativo de métodos de seleção de modelos para redes aleatórias
(Universidade Federal de São Carlos, 2026-08-31)
Molina, Felipe Baptistao Durante
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Cerqueira, Andressa
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http://lattes.cnpq.br/1934493281651316
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https://orcid.org/0000-0003-3803-9253
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http://lattes.cnpq.br/1871537351531299
In recent years, complex networks have been widely used to model systems with objects of interest, called vertices, which interact with each other by a haracteristic or relationship, represented by an edge. Through the various uses of complex networks, community detection has a great importance in the field, aiming to group vertices into the same cluster based on a given similarity between them. Thus, several models have been proposed to perform the clustering, assuming the number of communities is known previously, but this assumption is not always acceptable in real-world data. Therefore, in this work, we address the case of an unknown number of communities, that is a model selection problem, where a study has been conducted to compare selection methods for the Stochastic Block Model, including proposed methods based on normalized maximum likelihood and computationally approximated
Construções condicionais-concessivas insubordinadas com nem que no português brasileiro: uma análise cognitiva-construcional
(Universidade Federal de São Carlos, 2026-09-01)
Santos, Amanda de Lira
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Hirata-Vale, Flávia Bezerra de Menezes
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http://lattes.cnpq.br/2797556968074056
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http://lattes.cnpq.br/7783247508797024
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https://orcid.org/0000-0003-4928-6671
This study presents an analysis and description of insubordinate conditional-concessive constructions introduced by nem que in Brazilian Portuguese (BP). In accordance with Evans’s (2007) proposal, constructions are considered insubordinate when they are conventionally used as main clauses, even if at first glance they appear to be formally subordinate. For this research, grounded in the assumptions of Construction Grammar (Goldberg, 1995; 2006; Traugott and Trousdale, 2013), the general objective is to describe and analyze the formal and functional configurations of insubordinate conditional-concessive constructions in BP, with a focus on their degrees of independence and semantic specialization. As for the hypotheses, it is assumed that insubordinate constructions with nem que, within the domain of insubordinate conditional-concessive constructions, exhibit specific formal and functional patterns that distinguish them from spontaneous constructions and, despite vestiges of compositionality that set them apart from formulaic constructions, diverge from the prototypical semantic nuances of conditionality and concessiveness, acquiring more opaque textual-discursive meanings. To test these hypotheses, the corpus comprises instances of insubordinate conditional-concessive constructions drawn from the Corpus do Português/NOW (Davies and Ferreira, 2007). Methodologically, qualitative and quantitative methods of analysis are combined, with a particular focus on the qualitative treatment of the data for testing the hypotheses, with the aim of contrasting the findings with previous research, particularly on Spanish (Martínez Caro; Alba-Juez, 2021; Elvíra Garcia, 2016; Royo-Viñuales, Van Linden, 2022), French (Royo-Viñuales, Van Praet, Degand, 2022), and Portuguese (Hirata-Vale, 2015; Lira and Hirata-Vale, 2025). The results corroborate the hypotheses formulated and demonstrate that insubordinate constructions with nem que exclusively use inflected verb forms in the subjunctive mood, in the present, past, or future tenses, semantically associated with non-concrete, potential, or counterfactual situations and events that cognitively activate the broader conditional domain, despite the partial retention of the parameters of conditionality proposed by Dancygier (1998). Furthermore, a statistically significant association is observed among the pragmatic function, semantic frame, and verb tense of these constructions, which highlights their symbolic pairing in terms of Construction Grammar (Goldberg, 1995). Finally, a syntactic-semantic-pragmatic continuum is proposed, based on the continuum of insubordination proposed by Hirata-Vale (2015), in which the three identified microconstructions function pragmatically as addenda, refutations, or replies and are distributed gradually, ranging from more compositional uses dependent on the immediate discursive context to highly conventionalized uses endowed with procedural values (Traugott and Dasher, 2002), such as “nem que a vaca tussa!”. Finally, it becomes evident that the (inter)subjective nature of these constructions is related to their scalar strength and to the expression of negative emotions, such as irony, which emerge gradually and in proportion to the degree of conventionalization of each microconstruction.
Funcionalidade e impacto de fatores contextuais em lactentes com e sem risco biológico nos dois primeiros anos de vida: evidência com metodologia remota
(Universidade Federal de São Carlos, 2026-09-02)
Abreu, Raissa Wanderley Ferraz de
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Rocha, Nelci Adriana Cicuto Ferreira
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http://lattes.cnpq.br/2035754554780009
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https://lattes.cnpq.br/0595803592033851
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Santos, Denise Castilho Cabrera
Telehealth, or digital health practice, gained relevance during the COVID-19 pandemic, expanding the use of remote strategies for the care of vulnerable populations. In this context, this thesis verified the functioning and contextual factors associated with the activities and participation at home of infants and children born with biological risk in the first two years of life, through remote assessment and monitoring. Thus, five studies were conducted that produced evidence with remote methodologies developed during and after the COVID-19 pandemic. Study I aimed to compare gross motor skills and the presence of opportunities in the home environment, as well as to verify the impact of these opportunities at home on the motor skills of infants with biological risk before and after 6 months of age. It was found that the group over 6 months had more toys compared to the younger group, and a greater variety of stimulation and having more gross motor toys were associated with better gross motor skills outcomes. Study II identified facilitators and barriers to home participation for infants with and without biological risk during the first year of life. Environmental factors, such as greater caregiver willingness to change, younger mothers with higher levels of education, and a facilitating home environment, contributed to greater participation in the group of infants with biological risk. In relation to the group without risk, factors such as younger mothers with higher levels of education and less willingness to change, a facilitating home environment, and higher family income promoted greater home participation. Based on these results, and with the aim of expanding knowledge about participation and its intervening factors in the home setting beyond the first year of life, Study III was conceived and developed. Its objective was to describe the e-Followkids protocol for the remote monitoring of functioning and contextual predictive factors in children at 12, 18, and 24 months who were born with biological risk. Study IV evaluated the feasibility of this protocol (e-FollowKids) in Brazil and its association with sociodemographic factors (family income, education, maternal age, and number of siblings). A recruitment rate of 56.86%, adherence of 79.31%, and sample loss of 20.68% were achieved. Mothers reported high satisfaction, good understanding, and acceptability of the protocol, with a low percentage of identified barriers (19.5%) to follow-up. There was no association between feasibility according to mothers' perception and sociodemographic factors. Finally, Study V compared the home participation of infants and children with and without biological risk at 12, 18, and 24 months, verifying the trajectory of participation and associations with environmental 12 factors and functional abilities in the group with biological risk. Children with risk showed higher frequency at 12 months, while those without risk showed greater involvement at 18 months; at 24 months there was no difference between the groups. In the at-risk group, engagement increased at 24 months, and in the non-at-risk group, frequency and engagement were higher at 18 and 24 months compared to 12 months. Greater mobility and environmental support were associated with greater engagement at 12 months. At 24 months, higher scores in functional skills such as daily living and social/cognitive activities, as well as environmental support, were associated with greater participation, while lower scores for the general home environment and less mobility were associated with a greater desire for change on the part of the caregiver. Home environmental factors at 12 months did not predict participation at 24 months. The results obtained in this thesis can begin to support evidence-based practice, through remote methodologies, in the area of child development. Furthermore, it fosters the relationship between health components and contextual factors, based on the principles of dynamic and multidirectional interactions in infants and children in the first 2 years of life. Thus, it favors the promotion of actions and/or programs in public policies in child health, for monitoring functioning in this crucial developmental phase, considering the caregiver as a modulating agent of the environment and remote methodologies as a means of intervention.
Digital agriculture technologies, efficiency, and climate resilience: evidence from soybean production in São Paulo State, Brazil
(Universidade Federal de São Carlos, 2026-09-02)
Colaço, Larissa Gui Pagliuca
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Carrer, Marcelo José
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http://lattes.cnpq.br/6178330814144839
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https://orcid.org/0000-0001-8511-2543
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http://lattes.cnpq.br/6107286550573438
Agricultural technologies play an important role in improving farm performance. Precision agriculture technologies (PATs) aim to enhance input-use efficiency, whereas climate-smart agriculture (CSA) encompasses a set of technologies and management practices designed to increase resilience and reduce climate-related risks to agricultural productivity. Stochastic production frontier (SPF) models have been widely used to evaluate the relationship between technology adoption and farm performance using observed farm-level data rather than experimental or simulated settings. However, SPF literature still lacks both comprehensive synthesis and empirical evidence on how agricultural technologies - particularly emerging digital and CSA technologies - are associated with farm performance through distinct efficiency pathways. In addition, there remains a need for updated farm-level evidence, particularly in Brazil, one of the world's leading agricultural producers, where information on the adoption and impacts of these technologies remains limited. This thesis addresses these gaps by investigating how and to which extent agricultural technologies and management practices are associated with the technical efficiency (TE) and climate resilience of soybean production in São Paulo State, Brazil. Specifically, the thesis pursues three complementary aims: (i) to synthesize the existing evidence on the pathways through which agricultural interventions are associated with farm performance; (ii) to assess the association between PATs adoption and farm-level TE; and (iii) to evaluate whether CSA technologies and practices are associated with TE and resilience under adverse weather conditions. The empirical analyses are based on primary farm-level data collected from 152 soybean farms in São Paulo State, Brazil, during the 2023/2024 season. The first empirical analysis applies the SPF model with heteroscedasticity in inefficiency term to evaluate the association between adopting an integrated bundle of PATs (soil maps, variable-rate fertilizer application, yield monitors, and agricultural management software) and TE of soybean farms. In the second analysis, the latent class SPF model was employed to assess the yield sensitivity of soybean production systems to climate shocks under different levels of CSA adoption, given the climatic conditions of the 2023/2024 growing season, which was marked by above‑average temperatures and below‑average rainfall. The empirical results indicate that adopting PATs as an integrated bundle is associated with considerably higher TE than adopting the technologies in isolation, highlighting the importance of complementarities among digital technologies. Similarly, farms characterized by higher levels of CSA adoption exhibited greater TE and lower sensitivity to climatic shocks than low-intensity adopters. Together, the systematic literature review and the empirical analyses contribute to a better understanding of how agricultural technologies and management practices are associated with farm performance. The findings of the thesis provide novel and robust empirical evidence on the relationships among PATs, CSA technologies, technical efficiency, and climate resilience. Overall, the findings highlight the potential of those technologies to support more productive, resilient, and sustainable soybean production systems under increasing climate variability.
Análise comparativa dos custos associados ao modelo "Ageing in Place" e às instituições de longa permanência para pessoas idosas no Brasil
(Universidade Federal de São Carlos, 2026-09-02)
Moraes, Urias Marcos Pires de
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Itria, Alexander
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http://lattes.cnpq.br/7278290457268315
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http://orcid.org/0000-0001-7500-0230
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http://lattes.cnpq.br/8356979728669870
Population aging increases the need to discuss care models that combine autonomy, safety, quality of life, and economic sustainability. In this context, the concept of Ageing in place emphasizes the possibility of aging in the usual living environment while preserving social ties, identity, and participation, provided that adequate housing conditions, support networks, and access to services are available. This study aimed to understand the social and economic implications of the Ageing in place model based on scientific literature and documentary evidence, in comparison with institutional care provided by Long-Term Care Institutions for Older Adults (ILPIs). A scoping review was conducted, complemented by a descriptive analysis of a home adaptation budget and estimates of the costs associated with institutional care. The review included 13 studies, which were analyzed using methodological procedures compatible with their respective designs. The findings indicated that Ageing in place may contribute to the preservation of autonomy, identity, sense of belonging, social participation, and continuity of family and community relationships. However, its implementation depends on environmental, functional, and socioeconomic conditions, as well as on the availability of support networks and services. The analyzed budget estimated an initial investment of BRL 22,542.00 for home adaptations. For ILPIs, reference costs updated to August 2026 resulted in an estimated monthly cost ranging from BRL 4,804.58 to BRL 7,138.24 per older adult. The comparison showed that these amounts have different economic characteristics and do not allow a conclusion regarding overall economic superiority between the models. It is concluded that Ageing in place represents a care option that requires adequate support, while ILPIs remain an important component of the long-term care network. The findings reinforce the need for integrated strategies involving housing, health, social assistance, accessibility, and support for informal caregivers.
Research Data for the Article “Towards Social Affordances for Mental Health Chatbots: Perspectives from University Students”
(Universidade Federal de São Carlos, 2026-09-04)
Silva, Grasiane Cristina da
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Souza, Paula Maia de
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Neris, Vânia Paula de Almeida
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https://lattes.cnpq.br/0903980771347574
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http://lattes.cnpq.br/0268728255033469