TCC Química

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A magia das cores na experimentação: utilizando indicador natural para ensinar conceitos de química.
(2025-02-11) Santos, Leôncio Silva; Ferreira, Danielle da Silva; Silva, Merylane Porto da; http://lattes.cnpq.br/4940334471477236; Nascimento, Flávia Braga do; http://lattes.cnpq.br/3585720352113766
The objective of this final project is to study the application of a practical experiment that uses red cabbage as a natural pH indicator in chemistry. The term pH is essential in chemistry and is necessary to understand the acidity and alkalinity of solutions. However, students often have difficulty understanding these abstract concepts. This is why education should be more dynamic and interactive. Red cabbage was chosen for this study because it has the ability to change color at different pH levels, making it an easy-to-use and accessible visual resource. The experiment consists of making cabbage extracts and using them to test the pH of various solutions allows students to observe the color changes that reflect changes in pH. The results of the questionnaires and observations administered to the students show that the practical activity arouses curiosity and theoretical understanding of pH. Students reported that they retained more information and were able to apply the ideas to everyday situations. This dissertation emphasizes the importance of incorporating hands-on experiences into chemistry teaching and shows how the use of natural indicators such as red cabbage can improve learning, democratize access to educational resources, and encourage students to experiment. The research findings indicate that this method can be a valuable pedagogical tool that helps create more meaningful and engaging learning.
A acessibilidade nos livros didáticos: o ensino de ligações químicas para surdos
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2022-12-20) Santos, Alan Douglas da Silva; Pinto, Charridy Max Fontes; http://lattes.cnpq.br/4139562888411167; Vitorino, Anderson Francisco; http://lattes.cnpq.br/0431749235312279; Silva, Leonardo Vieira da; http://lattes.cnpq.br/3401495568705461
The present work presents the results of an inspection that aims to identify whether the textbooks approved by the National Book and Didactic Material Program for the year 2021 (PLND), and which are used in regular high schools, are successful in addressing the subject of links chemistry, and if they have in their structure pedagogical proposals and visual didactic resources that enable effective and meaningful learning for deaf students who use the book in the classroom. We sought to identify whether the conceptual development of the theme, the presentation, and the graphic proposal of the textbook contribute to making the book more accessible to the deaf community. Based on the results obtained, possible alternatives were speculated with the potential to make the approach to the subject of chemical bonds in textbooks more adapted to the teaching and learning needs of deaf students who are included in regular schools.
Análise da experimentação química nos livros didáticos do Ensino Médio : adequação segundo os critérios do PNLD e a realidade das Escolas Públicas Estaduais de Maceió
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2022-02-21) Souza, Davdson Luiz de; Ferreira Junior, Jésu Costa; Ferreira, Joacy Vicente; Azevedo, Edmar Marinho; http://lattes.cnpq.br/2213926589443334
ABSTRACT The present research aims to analyze how the editions of the book "Ser Protagonista - Química" referring to the years 2015 and 2018 of the PNLD, distributed to the High School in public schools, are proposing the experimental activities. For the analysis of the experiments the qualitative research was used in the guides of the textbook of 2015 and 2018 and in the literature. With that, the adequacy and inadequacies of the experiments found in the books were judged and judged as to whether they were mechanical, investigative, their level of dangerousness and materials necessary for the application of the practice. Through the analysis of the results it was verified that some experimental activities present in textbooks do not meet the guidelines of official documents for education. In addition, it was noticed that some experimental activities were not related to the studied content. Not being considered satisfactory in what concerns the promotion of learning in the works analyzed. Thus, we sought to correct the inadequacies through substitutions of reagents and in more unsuitable cases the substitution of the experiment as a whole.
Análise do perfil fitoquímico e da atividade antioxidante do extrato etanólico das folhas de Cecropia pachystachya T.
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2024-07-24) Franco, Simone Paes Bastos; Costa, Salvana Priscylla Manso; http://lattes.cnpq.br/7558499721074840; Sousa, Jonas dos Santos; http://lattes.cnpq.br/3193945439772961; Oliveira, João Victor Lessa de; http://lattes.cnpq.br/6645969528353731; Borges, Arthur Luy Tavares Ferreira; http://lattes.cnpq.br/1194184115234231
The practice of using medicinal plants to treat diseases has been passed down from generation to generation since ancient times. Due to their pharmacological potential, they have been the subject of several studies. The species Cecropia pachystachya, which belongs to the Cecropiaceae family and is popularly known as embaúba, can be cited as one of the most studied species due to its proven therapeutic properties as well as its chemical compounds. The aim of this study was to evaluate the antioxidant activity of the ethanolic extract of Cecropia pachystachya leaves and to quantify its phytochemical profile. To this end, after obtaining the crude ethanolic extract of Cecropia pachystachya leaves, tests were carried out to quantify phenolic compounds using the Folin-Ciocalteau method and quantify flavonoids using the reaction with aluminum chloride, as well as evaluating antioxidant activity using the DPPH free radical capture method. The results showed quantifications of 686.41 and 509.34 μg/mL for phenolic compounds and flavonoids, respectively. These results were higher than those found in the literature. And the minimum concentration that showed a 50% reduction in free radicals was 433.70 μg/mL. According to the literature, this result can be explained by the quantification of bioactive compounds present in the species. In view of the above, it was possible to conclude that Cecropia pachystachya can be considered a therapeutic alternative for the pharmaceutical and cosmetics industries.
Aprendizagem no ensino remoto a partir do olhar de discentes em cursos de licenciaturas
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2022-08-09) Silva, Ingrid Cordeiro da; Campêlo, Siquele Roseane de Carvalho; http://lattes.cnpq.br/1730383946648149; Alves, Karina Dias; http://lattes.cnpq.br/2899542504433422; Ferreira, Danielle da Silva; http://lattes.cnpq.br/7027017204663432
In our work, we will reflect on how emergency remote teaching has contributed to the training of undergraduate students at the Maceió - IFAL campus. In this way, our general objective was to reflect on the teaching-learning process during the pandemic period in IFAL's degree courses. As specific objectives, we seek to know the institutional regulations that guided teaching and learning practices in emergency remote teaching at IFAL, as well as analyzing the differences between remote teaching and face-to-face teaching from the perspective of students. As a methodological proposal, semi- structured interviews were carried out with 04 undergraduate students from the Maceió - AL campus. Based on the analyzed data, aspects such as the construction of digital skills and abilities, the flexibility of times and spaces for learning and the multiplicity of communication tools between teacher trainers and students in the Degrees were identified as positive aspects of the period. On the other hand, difficulties regarding the interaction between professors and graduates were indicated as challenging aspects in remote teaching.
Avaliação da aprendizagem no ensino médio: possibilidades e estratégias para o ensino da química
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2023-06-26) Rosendo, Aline Silva; Nascimento, Flávia Braga do; http://lattes.cnpq.br/3585720352113766; Nascimento, Flávia Braga do; http://lattes.cnpq.br/3585720352113766; Brasileiro , Regina Maria de Oliveira; http://lattes.cnpq.br/4146119273576569; Silva, Eduardo Lima da
This study aims to demonstrate to teachers and future teachers the diversity of possibilities that can be used in the evaluation process of high school chemistry students. To achieve our research objective, we decided to develop an educational product that brings together various specific assessment strategies for teaching Chemistry in high school. We employed an approach that involved qualitative analysis of data collected through a questionnaire distributed via Google Forms, targeting teachers who were part of our daily context and met the established criteria: having taught high school students at some point in their careers. Additionally, we conducted a comprehensive literature review to identify successful assessment strategies that empower students, address high school Chemistry content, and are practical and accessible for incorporation into our educational product. The results revealed the importance of developing an educational product that combines different assessment strategies. However, it is important to acknowledge the limitations of this study as the chosen strategies could not be implemented, which would have provided a broader understanding of their practical application. Nevertheless, the identified and proposed strategies in this work provide a solid foundation for improving assessment practices among high school Chemistry teachers. We believe that the developed educational product will positively contribute to enhancing pedagogical practices and the quality of education in the field of Chemistry.
Avaliação das atividades lúdicas nos PPCs dos cursos de licenciatura em química em instituições públicas
(2025-07-01) Silva , Janaina Miguel da; Ferreira Junior , Jésu Costa; http://lattes.cnpq.br/5859354241648167; Nascimento , Flávia Braga do; https://lattes.cnpq.br/3585720352113766; Nogueira , Fred Augusto Ribeiro; https://lattes.cnpq.br/9784216306395155
The training of Chemistry teachers faces significant challenges due to the abstract nature of the subject matter, requiring the adoption of innovative pedagogical methodologies. This study aims to analyze and evaluate the inclusion and implementation of playful activities proposed in the Political-Pedagogical Projects (PPCs) of undergraduate Chemistry programs at public institutions in Alagoas, focusing on the impact of such practices on initial teacher education. The research highlights the use of playful strategies as a pedagogical approach capable of making Chemistry teaching more dynamic, meaningful, and conducive to the development of essential professional skills. Active teaching methodologies, which place students at the center of the learning process, are discussed as effective tools for encouraging participation, autonomy, and critical thinking. The findings indicate that, despite widespread recognition of the benefits of playful activities, their implementation still faces obstacles such as resistance from teachers and students, lack of specific training, and scarcity of appropriate pedagogical resources. However, the analyzed experiences show that, when well-planned and executed, these activities foster greater student motivation, enhance the understanding of abstract concepts, and support the development of socio-emotional skills such as creativity, collaboration, and teamwork. The study proposes a more structured integration of active methodologies into the curriculum, along with ongoing teacher training, in order to promote more engaging and effective teaching practices. By incorporating playful strategies into teacher education programs, it is expected that future Chemistry teachers will be better prepared to face contemporary teaching challenges and deliver a higher-quality education.
Avaliação dos PPCs de instituições de ensino superior no estado de Alagoas na disciplinas de formação tecnológica no curso de licenciatura em química
(2024-10-25) Silva Júnior, Edson Caetano da; Morilla , Demétrius Pereira; http://lattes.cnpq.br/5723725916193842; Santos, Eduardo Lima dos; http://lattes.cnpq.br/0426360378881187; Soares, Janaina Gomes; http://lattes.cnpq.br/9254836310407411; Azevedo, Edmar Marinho de; http://lattes.cnpq.br/2213926589443334
his study aims to analyze the integration of Digital Information and Communication Technologies (ICTs) in Chemistry education, focusing on the importance of these technologies in teacher training and pedagogical practices for teaching this subject. The research discusses how the use of digital tools, such as simulations, virtual modeling, and online experiments, can contribute to student engagement and the understanding of abstract chemical concepts. Using the TPACK (Technological Pedagogical Content Knowledge) framework, which proposes the intersection of pedagogical, technological, and content knowledge, the study examines how teachers can combine these dimensions to enhance their teaching practices. The paper also discusses the importance of continuous teacher training, highlighting the need for constant updates on new technological tools and their pedagogical applications, to ensure quality education that keeps pace with societal advances. Additionally, the study analyzes the National Common Curricular Base (BNCC), which emphasizes the importance of incorporating ICTs into teacher training processes for Chemistry educators. The research reveals that, although the adoption of technology in Chemistry teaching has advanced, significant challenges remain in teacher training, which requires continuous reflection on pedagogical practices and the implementation of technologies in science education. This study contributes to the reflection on the role of technology in Chemistry education, proposing a critical analysis of teacher training and the pedagogical practices that should be adopted to prepare students for the educational challenges of the future.
Caracterização físico-química da própolis marrom e geoprópolis no nordeste alagoano, Brasil
(2024-10-24) Moura, Orlando Francisco da Silva; Freitas, Johnnatan Duarte de; http://lattes.cnpq.br/4999402869058858; Sousa, Jonas dos Santos; http://lattes.cnpq.br/3193945439772961; Marins, Élida Fernanda Cavalcanti; http://lattes.cnpq.br/5169972835746750; Silva, Cristian Bernardo da; http://lattes.cnpq.br/8903978116383659
The brown propolis, produced by bees of the species Apis mellifera, and geopropolis, generated by Melipona scutellaris, are widely recognized for their significant bioactive properties, such as antimicrobial, antioxidant, and anti-inflammatory activities. This study aimed to characterize the physicochemical properties of geopropolis from the municipality of Maceió and brown propolis from the municipality of Pilar. The samples underwent extraction by maceration and Soxhlet methods, followed by detailed analyses of wax content, loss on drying, ash content, and soluble solids. The results showed that brown propolis exhibited an average mechanical mass of 29.65% in the Soxhlet extraction and 56.9% in maceration, while geopropolis had mechanical mass contents of 75.73% and 75.08%, respectively. The wax content in propolis was 22.44% (Soxhlet) and 31.20% (maceration), exceeding the legal limit in maceration. The loss on drying was 5.81% for propolis, within standards, while geopropolis showed 4.56%. The ash content was 1.87% for propolis and 65.22% for geopropolis, reflecting a higher amount of inorganic material in the latter. The quantification of phenolic compounds revealed 2.02% for propolis (Soxhlet) and 2.80% (maceration), while geopropolis contained 2.74% and 2.22%, respectively. Total flavonoids were 0.011% (Soxhlet) and 0.046% (maceration) for propolis, and 0.039% (Soxhlet) and 1.33% (maceration) for geopropolis. Antioxidant activity, evaluated by the DPPH method, was 31.94% for propolis (Soxhlet) and 73.81% (maceration), while geopropolis showed 75.82% (Soxhlet) and 86.11% (maceration). Additionally, the analysis of volatile organic compounds conducted by Gas Chromatography coupled with Mass Spectrometry revealed the presence of 66 compounds in brown propolis and 48 compounds in geopropolis. The diversity of volatile compounds, including esters, terpenes, and phenols, highlights the potential of these substances for therapeutic and industrial applications. These results indicate that both propolis and geopropolis possess high levels of bioactive compounds, marked by their strong antioxidant activity, suggesting considerable therapeutic potential. The physicochemical characterization of these substances is of great importance for the municipalities of Pilar and Maceió, as it enhances local natural resources and opens opportunities for the development of apicultural products with industrial and medicinal applications. Additionally, this research contributes to the strengthening of beekeeping in the region, promoting sustainable practices and valuing local culture within a context of conservation and health.
Construção de um sensor eletroquímico com nanotubos de carbono e niclosamida para determinação de ácido ascórbico
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2021-03-10) Pereira, Sara Souza; Lopes, Cleylton Mitre Bezerra; http://lattes.cnpq.br/4037905253098595; Silva, Leonardo Vieira da; http://lattes.cnpq.br/0733464041429281; Santos, Nicholas Deymisson dos; http://lattes.cnpq.br/2401211277616613
Nanotechnology is an extensive research area and has been one of the technologies of Latest and growing advanced manufacturing worldwide. She studies a variety of materials produced at the nanometer scale through different methods chemical and physical, changing the paradigms of biosensitivity due to the properties unique to nanomaterials. (RIVAS, 2017; ANZAR, 2020) The development of sensors electrochemicals is one of the largest and fastest growing areas within Analytical chemistry. These devices make use of an electrode as a device signal transducer and are based on charge transfer processes. In an attempt to improve the kinetic and analytical parameters, chemically (EQM), manufactured by modifying the surface of the electrode using various materials. Among them one of the ones that are used very frequently are carbon nanotubes, as they have excellent electrical properties, along with with niclosamide, which has a nitro group, used in redox systems. You nanomaterials have aroused the interest of the scientific community due to their unique physicochemical properties such as high reactivity, quantum effects, size small and large surface. Nanomaterials have dimensions below 100 nm, this group of materials allows access to several new magnetic, electronic, mechanical or optical. (ANZAR, 2020; XIANG, 2020 it was possible to obtain results promising through electrochemical techniques such as cyclic voltammetry and the chronoamperometry, electroanalytical studies were carried out and thus the efficiency of the reaction between immobilized materials and ascorbic acid, determining a catalytic constant of 2.1044 L mol -1s-1.
Desenvolvimento de sensor eletroquímico baseado em eletrodos impressos de carbono, modificados com Ácido Polixanturênico para detecção da Afloxitina B1
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2019-12-05) Silva, Jéssica da Conceição da; Lima, Phabyanno Rodrigues; http://lattes.cnpq.br/9334426018309756; Cavalcante, Sarah Kelly Melo; http://lattes.cnpq.br/0820477133147241; Silva, Jailson dos Santos
In the present work we describe the development of an electrode that uses xanturenic acid (AX) for the first time as an electrochemical probe, through a simple and efficient Aano-activated, nanomaterial modified carbon printed electrode immobilized with aptamers for the detection of aflotoxin. B1 (AFB1). The sensor surface was characterized by voltammetric techniques such as differential pulse voltammetry (VPD) and cyclic voltammetry (VC), which were used to study the behavior of modified electrodes, to optimize experimental parameters and obtain kinetic parameters. as a study of speed and pH. The electroactive species, quinone / hydroquinone, was electrogenerated in situ on the modified nanomaterials and AX electrode after cycles in the potential range between 0.5 and -1.0 vs. Ag at first sweep in 0.1 mol L-1 phosphate buffer (pH 5.5) with sweep rate of 50 mV s-1. After the activation process, the potential range around the redox quinone / hydroquinone pair was selected and the voltammograms were recorded at different speeds (5-20 mV s-1), then aptamer immobilization was performed, applied with the intention of to test the electrocatalytic activity for AFB1 oxidation. In addition, the electroactive species generated on the electrode surface showed inhibition against the immobilized aptamer when reacting with AFB1, causing a charge retention. Thus, from the results obtained the electrochemical aptensor developed showed a promising alternative to be applied in tests with real samples.
Determinação de ácido ascórbico: um sensor eletroquímico à base de pasta de carbono com 4-nitroanilina adsorvida em silica gel modificada
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2019-12-05) Santos, Monik Tamíres Silva; Cavalcante, Sarah Kelly Melo; http://lattes.cnpq.br/0820477133147241; Lima, Phabyanno Rodrigues; http://lattes.cnpq.br/9334426018309756; Cavalcante, Sarah Kelly Melo; http://lattes.cnpq.br/0820477133147241; Silva, Jailson dos Santos
The present work describes the development of a multiple wall carbon nanotube paste electrode (MWCNTPE) based on 4-nitroaniline (4NA) adsorbed onto silica gel modified with zirconium oxide (SZ) to detect ascorbic acid (AA). The sensing surface was characterized by Thermogravimetric Analysis (TGA), Scanning Electron Microscopy (SEM) and Infrared Spectroscopy (FTIR). The electroactive species, hydroxylamine / nitrous (R-NHOH / R-NO), was electrogenerated in situ from 4Nitroaniline after cycling in the potential range between 0.5 and -1.0 vs. Ag / AgCl in the first scan in 0.1 mol L-1 PBS buffer (pH 7.0) with a scanning rate of 0.02 Vs-1. The modified electrode showed efficient electrocatalytic activity against the oxidation of ascorbic acid in 0.3 V vs. Ag / AgCl. Electrochemical measurements including Cyclic Voltammetry (VC) and Chronoamperometry were used to study the behavior of the surface of the modified electrode used. These techniques were used to optimize the experimental parameters. Thus, under optimized conditions, the sensor presented a linear response range of 0.5 - 3.0 μmol.L-1, LD (0.15 μmol.L-1), LQ (0.48 μmol.L-1) and sensitivity of 7.60 (mA.L.mmol-1) adding to the sensor positive factors in sensitivity and selectivity. This sensor was applied for the amperometric determination of AA in food samples. The results were consistent with those obtained with the standard titration procedure.
O ensino-aprendizagem de química por um aluno surdo sob a ótica de uma monitora de química
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2022-07-29) Freire, Pollyanne Christine Rodrigues; Pinto, Charridy Max Fontes; http://lattes.cnpq.br/4139562888411167; Nascimento, Flavia Braga do; http://lattes.cnpq.br/3585720352113766; Oliveira, Danielly Caldas de; http://lattes.cnpq.br/6901069998449330
The present study is a case report with the objective of analyzing the possible causes and difficulties inherent in the teaching-learning process of chemistry for deaf students, based on the experience lived as a volunteer chemistry monitor for high school students at the Center for Assistance to People with Specific Educational Needs - NAPNE of the Federal Institute of Alagoas - IFAL, Maceió campus, between 2019 and 2022. In the history of the education of the deaf, numerous reports show the obstacles faced by them over several years to gain access to education, where teaching methods aimed at them were created by listeners who do not speak the same language as the deaf subject, which influenced in current teaching methods. That said, during the monitoring experience, it was possible to observe and experience what the reality of inclusive education is like and in this journey, several causes were witnessed that lead to the learning difficulties of this deaf student in their learning of chemical science through the methodologies applied by the teachers.This theme proved to be of great relevance because it takes into account a reflection on the quality of the current chemistry teaching offered to deaf students and with it we intend to disturb the chemistry professors about elaborating inclusive practices that allow the involvement of these subjects in their classes, thus establishing a good inclusion, favoring them to have a quality education that leads them to the construction of scientific knowledge.
Estágio supervisionada do curso de Licenciatura em Química do Instituto Federal de Alagoas: reflexões sobre sua colaboração na formação dos licenciados
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2019-11-28) Santos, Amanda Karla dos; Oliveira, Elisabete Duarte de; http://lattes.cnpq.br/7781886522973384; Oliveira, Maria Regina Brasileiro de; http://lattes.cnpq.br/4146119273576569; Ferreira Junior, Jésu Costa; http://lattes.cnpq.br/5859354241648167
This work aimed to know the importance and perspectives of supervised internship for students of the undergraduate degree in chemistry at the Federal Institute of Alagoas -IFAL, in its formation. The methodology used in the study focused on the subjectivities and particularities of the subject, not dissociating the social actors from their realities, so it had as its field of data collection the environment of the studied subjects. As for the legal contribution, the work focused on laws, resolutions, ordinances that dealt with supervised internship practice, LDB and the pedagogical project of the course. It was mainly supported by the authors: Selma Garrido Pimenta (2012), Maria Socorro Lucena Lima (2012), Cleoni Maria Barboza Fernandes (2010) and Cipriano Luckesi (1994), for discussing the concepts and conceptions of practice, theory, praxis and evaluation present. in teacher training courses. Among the results found was the verification of the low use of the internship as a reflection agent in the undergraduate degree in chemistry, a fact that could be changed if the internship were used as the origin of the formation, axis of relationship between the disciplines, theoretically instrumentalizing the interns. , developing readings, analysis and problematization of their praxis and identities, as a future educator.
Estratégias pedagógicas práticas na Educação de Jovens e Adultos: explorando o mundo das Ciências da Natureza
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2024-07-30) Souza, Everton de Oliveira; Ferreira Júnior, Jésu Costa; http://lattes.cnpq.br/5859354241648167; Silva, Fred Willames Ferreira dos Santos; Fragoso, Stella Freitas de Queiroz; Nascimento, Flávia Braga do; http://lattes.cnpq.br/3585720352113766; Santos, Eduardo Lima
Youth and Adult Education (EJA) is a teaching modality that aims to provide training for those who were unable to complete their studies on time. This modality mostly involves students who, for some specific reason, had to leave school. and see in this modality the possibility of training and thus entering the formal job market, many of these students had been out of the classroom for a long time, which makes the teacher's job even more difficult. The purpose of this study is to understand how the teaching-learning process and attendance can be improved through practical classes involving students from Youth and Adult Education at Escola Estadual Geraldo Melo dos Santos, in the subject of natural sciences. In classes, everyday subjects and practices are covered and new compounds are also presented that are unknown to their knowledge, but which are linked to their daily lives. Students play an active role in classes through practical activities. Furthermore, we seek to exemplify the relevance of science in everyday life, focusing on the concepts presented in the subject, which are part of the modular EJA planning.
Estudo in vitro da atividade e eficácia fotoprotetora de extratos de camapu (Physalis angulata L.)
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2023-11-01) Nascimento, Keliane Francielle dos Santos; Ferreira Júnior, Jésu Costa; http://lattes.cnpq.br/5859354241648167; Queiroz, Stella Freitas de; http://lattes.cnpq.br/5763307109586754; Souza, Davdson Luiz de; http://lattes.cnpq.br/3552801632432486
Photoprotection aims to reduce skin exposure to ultraviolet (UV) radiation from the sun, helping to combat sunburn, premature aging, and even skin cancer. Sunscreens are substances capable of absorbing, reflecting or refracting UV and thus protecting the skin. The effectiveness of these products is measured through the sun protection factor (SPF), which indicates how much the photoprotective formulation is capable of protecting an individual from this radiation. Currently, the search and use of plant bioactives to protect the skin from the adverse effects of solar radiation has increased significantly, due to the diversity of organic compounds produced by plants, which have the capacity to stabilize free radicals, especially phenolic compounds, which have chromophores in its structure, which promote the absorption of radiation at wavelengths compatible with UV rays, proving suitable for the composition of solar filters, enhancing skin protection. Physalis angulata L. (camapu) belongs to the Solanaceae family and occurs mainly in the North and Northeast regions of Brazil, where it is used in folk medicine as an anti-inflammatory and in the treatment of skin problems. The present work aimed to verify the photoprotective potential of extracts from parts of the camapu plant, and to analyze the FPS behavior of a commercial sunscreen solution “FPS 30” when incorporated with these active ingredients, through in vitro analysis, of the spectrophotometric method. The results obtained demonstrated photoprotective activity of camapu flower and leaf extracts, obtaining FPS values equal to 21.38 and 7.15, respectively, at a concentration of 300 ppm, and allowed us to visualize the effectiveness of the leaf extract as a chemical sunscreen. when it comes to a photoprotective formulation. Therefore, it was concluded that the Physalis Angulata L. leaf extract associated with the photoprotective formulation enhanced the activity of the formulation, increasing its FPS by up to 40.97%, which suggests its indication for use in sunscreens, in addition to reduce production costs, knowing that natural raw materials tend to be cheaper.
Evasão no Curso de Licenciatura em Química no Ifal - Campus Maceió: análise de dados dos alunos evadidos de 2010 a 2022
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2023-11-08) Silva, Raquel Venâncio da; Ferreira Júnior, Jésu Costa; http://lattes.cnpq.br/5859354241648167; Limeira, Ana Cristina Santos; http://lattes.cnpq.br/8492241199102646; Matos, Karine Garcia; http://lattes.cnpq.br/1758509725841433
This work proposes to carry out an analysis of dropout data in the Chemistry Degree course at the Federal Institute of Alagoas (IFAL), from 2010 to 2022. The approach adopted is exploratory, descriptive and quantitative, based on research conducted to investigate the causes and consequences of dropout among students of this course. The data used for this analysis will be collected from the Nilo Peçanha platform and documents provided by the Academic Records Coordination (CRA), extracted from the Integrated Academic Activity Management System (SIGAA). The research is based on understanding why the number of graduates is lower than that of entrants and identifying factors that contributed to this dropout. Furthermore, it aims at a systematic review of literature related to dropout in higher education and undergraduate education. And by combining the results of this review with specific data from IFAL, we seek to carry out a comprehensive diagnosis of the factors that influence dropout rates in the Chemistry Degree course. The joint analysis of the causes and consequences of evasion will provide a basis for developing improvement strategies.
Gamificação e storytelling no ensino de físico-química: o enigma do paciente Oliver
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2023-06-14) Silva, Mirely Vitória Farias da; Nascimento, Flavia Braga do; http://lattes.cnpq.br/3585720352113766; Brasileiro, Regina Maria de Oliveira; http://lattes.cnpq.br/4146119273576569; Nogueira, Fred Augusto Ribeiro; http://lattes.cnpq.br/9784216306395155
The present study is the result of an investigation into the use of the gamification and storytelling methodological approach in the teaching of pH, chemical solutions and acids and bases carried out with 14 students of the second year of integrated high school and technical course in chemistry at the Federal Institute from Alagoas in the city of Maceió. Recognizing that this proposed methodological intervention could contribute to the process of teaching and learning chemistry, our objective: was to analyze the result of using the game linked to the storytelling of patient Oliver's riddle based on gamification and storytelling methodologies in the teaching of physical-chemical education. To conduct the investigation, a mixed approach was adopted, defining the research design as sequential, the most appropriate type of research for our intervention. Data was collected through a test, followed by observation of students interacting with the educational game and the application of a questionnaire. It is argued that adherence to the gamification and storytelling methodological proposal contributed to reinforce the learning concepts related to pH, chemical solutions, acids and bases in a more active way and allowed experiencing other approaches to these contents in addition traditional practices.
O lúdico na aprendizagem de vidrarias de laboratório de química na Escola Estadual Dr. Antônio Gomes de Barros
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2018-06-08) Silva, Eronildo Ferreira da; Freitas, Alan John Duarte de; http://lattes.cnpq.br/7222112856028905; Freitas, Johnnatan Duarte de; http://lattes.cnpq.br/4999402869058858; Lira, Lidiane Evangelista; http://lattes.cnpq.br/7428353456925450; Silva, Kleyfton Soares da; http://lattes.cnpq.br/9040257542465304; Morilla, Demetrius Pereira; http://lattes.cnpq.br/5723725916193842; Sousa, Jonas dos Santos; http://lattes.cnpq.br/3193945439772961; Soares, Janaína Gomes; http://lattes.cnpq.br/9254836310407411
This research aimed to approach an educational methodology that differs from traditional teaching with students of the 1st year of high school in a state public school, located in the municipality of Novo Lino, in the state of Alagoas, and evaluate learning outcomes by applying the game didactic "LEARNING GLASSES", in which it presents the main materials and laboratory glassware, also trying to help students become more interested, attentive and participative. For this construction was used the case study, which approached the playful as methodology in teaching and learning chemistry. Throughout the study and the findings, it was possible to confirm that it is feasible to approach a different methodology when applied correctly in teaching and learning.
O novo ensino médio e o lugar ocupado pelo professor e o componente curricular de química em Alagoas
(Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2023-11-07) Gomes, Arithssa Eduarda Silva; Ferreira, Danielle da Silva; http://lattes.cnpq.br/7027017204663432; Luz, Merylane Porto da Silva; http://lattes.cnpq.br/4940334471477236; Santos, Reinaldo Batista dos; http://lattes.cnpq.br/8664524414563817
This work addresses the consequences of law 13,415/2017, also known as the High School Reform, for chemistry teachers. The law came into force in 2022, giving states and the Federal District a period of five years to apply it from its approval, requiring schools to adapt to the changes proposed by the regulations. It is essential to evaluate the educational scenario, teacher training and functioning after the law's implementation. In view of this, a case study was carried out that raised as a perspective the report of the professional experience of Chemistry and its adaptation in this uncertain, challenging and problematic scenario, within the two Education Networks in the State of Alagoas.

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