Repositório Institucional da Universidade Federal do Amapá - RIUNIFAP

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Últimas publicações

Entre les mots, le silence: écrire pour soi, écrire pour les siens dans La femme aux pieds nus de Scholastique Mukasonga
(UNIFAP - Universidade Federal do Amapá, 2025-06-04) TEIXEIRA, Samya Tirza Barbosa; AZEVEDO, Érika Pinto de; https://lattes.cnpq.br/2160581292921532; https://orcid.org/0000-0002-3626-4425
This study analyzes La Femme aux pieds nus (2008) by Scholastique Mukasonga (The Barefoot Woman, 2018) through the lens of deconstruction (Jacques Derrida, 1967), with particular attention to self writing and testimonial and childhood narratives. It explores how Mukasonga uses memory as a narrative tool to make heard the silenced voices of the Rwandan genocide and to question her own Tutsi identity. The study introduces the work of Viviane Azarian (2011), Annick Belrose (2022), Françoise Simonet-Tenant et al. (2017), Jacques Vassevière et al. (2023), Denise Escarpit et al. (1993), Catherine Coquio (2004) et Philippe Lejeune (1996) who address self-writing, childhood narratives and testimonial narratives. Gérard Genette (1972) is mobilized with regard to narratology. The work of Paul Ricœur (2000) is particularly enlightening for exploring concepts of memory, identity, and history. Concerning the critique of colonialism, Mahmood Mamdani (2001) and Jean Marc-Moura (2001) provide reflections on the history of Rwanda and the genocide, as well as the characteristics of postcolonial Francophone literatures.The article is divided into two sections: the first introduces the author and her work; the second examines narrative hybridity, focalization, and issues of identity. The conclusion emphasizes how Mukasonga deconstructs official History to restore the forgotten voices before and after the 1994 genocide in Rwanda, through a form of writing that blends autobiography and fiction, childhood narrative and testimony. This conclusion also opens the path for a potential comparative study between the Brazilian writer Conceição Evaristo and Scholastique Mukasonga. Keywords: Self-writing. Childhood narrative. Testemonial narrative. Francophone literature. Rwanda.
Mitopoéticas do amor: a representação dos amantes em “U Amassu e U Dubradú’’, de Patrícia Bastos
(UNIFAP - Universidade Federal do Amapá, 2025-12-08) SOUZA, Bianca Alfaia Penafort de; PEREIRA, Marcos Paulo Torres; https://lattes.cnpq.br/7467826617837279; https://orcid.org/0000-0001-7769-7940
This study analyzes the song “U amassu i u dubradú,” by Patrícia Bastos, as an aesthetic and political statement of Amapá's identity. It aims to explore the creation of a mythopoetics of love that transforms the Amazonian lived experience into language. The theoretical framework relates fiction as a necessity (Sperber; Ricoeur) and semiotic conversion (Paes Loureiro), establishing a dialogue with the structures of the imaginary (Durand) and material imagination (Bachelard). From the counter-colonial perspective of Nêgo Bispo and Luiz Rufino, the analysis of the four lovers highlights the rejection of exploitative logic in favor of biointeraction. The work establishes an “enchanted science,” in which loving the Amazon is an act inseparable from belonging and protecting the territory.
Investigando a relação óptico-estrutural de nanocompósitos binários α-Fe₂O₃/Fe₃O₄ sintetizados por uma rota sol-gel verde
(UNIFAP - Universidade Federal do Amapá, 2025-04-25) BRANDÃO, Aila Giulianna da Veiga; MATOS, Robert Saraiva; https://lattes.cnpq.br/0342189537308858; https://orcid.org/0000-0002-1219-8646
This study investigates the green synthesis of binary a-Fe2O3/Fe3O4 nanocomposites using hydroethanolic extract of Maytenus rigida as a chelating agent. The nanoparticles were synthesized via a sol-gel route, followed by calcination at 400 °C, 500 °C, and 600 °C, and their optical and structural properties were evaluated. X-ray diffraction revealed the presence of 36% Fe3O4 and 64% a-Fe2O3 at 400 °C, varying to 21% Fe3O4 and 79% a-Fe2O3 at 600 °C. The crystallite size of Fe3O4 increased from 58 nm to 251 nm, while that of a-Fe2O3 grew from 227 nm to 659 nm with increasing temperature. Photoluminescence (PL) analyses showed that the nanocomposites exhibit emissions attributed to oxygen (Vo) and iron (VF) vacancies, with PL peaks observed at 286 nm, 332 nm, and 588 nm. The optical bandgap, determined by DRUV, ranged from 3.4 eV to 4.0 eV, depending on the calcination temperature, indicating quantum confinement effects. These results highlight that the increase in temperature promotes anisotropic growth of nanocrystals and defect formation, directly impacting the optical and luminescent properties, with promising applications in sensors and photocatalytic devices.
Utilização do software geosoft v4.0 para projetos com geossintéticos: estudo comparativo entre diferentes sistemas de subdrenagem em vias
(UNIFAP - Universidade Federal do Amapá, 2024-11-18) MENDES, Caio César de Melo; PEREIRA, Fábio Araújo; https://lattes.cnpq.br/9180912233806978
Technological advancements of recent decades have made the use of software in civil engineering increasingly common and accepted, to the point where it is now rare to find an engineer who does not use these tools. Another type of technology that has evolved rapidly is geosynthetics. These materials are now indispensable in major modern engineering projects, offering efficiency and sustainability to an area in great need of both. This study used the software Geosoft PAVCO v4 to design and compare different sub-drainage systems with geosynthetics for a specific road, assessing the software's applicability in the state of Amapá. The research reviews literature on urban drainage and geosynthetics, highlighting their efficiency, durability, and positive environmental impact. After designing the simulations using the software, budgets indicated that implementing a road drainage geocomposite could result in savings of up to 30.9% compared to the French drain. Thus, using Geosoft PAVCO v4 for such projects, combined with the implementation of appropriate design adaptations, becomes a beneficial solution for companies and engineers who require a free tool for road drainage design.
Prevalência de dor crônica entre adultos na Amazônia Brasileira: um estudo transversal de base populacional
(UNIFAP - Universidade Federal do Amapá, 2026-01-28) GURJÃO, Vanessa Cristina Cruz; MONTEIRO, Renan Lima; https://lattes.cnpq.br/0519273633283963; https://orcid.org/0000-0003-4442-3198
Background: Chronic pain is a major public health problem, associated with substantial functional, psychosocial, and economic consequences, particularly in low- and middle-income regions, as the northern Brazilian Amazon. The aim of this study was to estimate the prevalence of chronic pain and to characterize the sociodemographic profile of the adult population living in the state in the northern Brazilian Amazon. Methods: This population-based, cross-sectional study was conducted between February and September 2025, using both online and in-person data collection. A total of 365 individuals aged 18 years or older were included. Chronic pain was defined as pain persisting for three months or longer. Results: The prevalence of chronic pain was 55.8%, with predominance of women, young adults, single individuals, those self-identified as mixed race/ethnicity, and economically active individuals. Most individuals with chronic pain reported moderate to severe pain intensity, indicating a relevant clinical impact. Approximately one third reported the presence of associated diseases. Conclusion: The findings reveal a high prevalence of chronic pain in a predominantly young population. This study provides original population-based evidence from an underrepresented region of Brazil, highlighting a substantial burden of chronic pain among young and economically active adults in northern Brazilian state.