Author guidelines
Química, Eclética
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 4 , Pág. 06-15]

Eclética Química
Química, Eclética
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 4 , Pág. 05]

Is the use of the Problem-Based Learning Model through Instagram effective? A Review
Widarti, Hayuni Retno²; Baharsyah, Allykha²; Rokhim, Deni Ainur¹; Syafruddin, Afis Baghiz^2
1Malang State University, Department of Chemical Education, East Java, Indonesia. SMAN 3 Sidoarjo, Chemistry and Prakarya, East Java, Indonesia., ; ²Malang State University, Department of Chemical Education, East Java, Indonesia.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 4 , Pág. 17-26]

Multivariate statistical analysis of physicochemical parameters of groundwater quality using PCA and HCA techniques
Gadelha, Antonio José Ferreira²; Rocha, Clarice Oliveira da²; Veras Neto, José Germano¹; Gomes, Mirelly Alexandre^1
1State University of Paraíba, Campina Grande Campus, Campina Grande, Brazil., ; ²Federal Institute of Paraíba, Campina Grande Campus, Campina Grande, Brazil.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 4 , Pág. 37-47]

Scientific recreations to favor the learning of the periodic table in high school students with incomplete schooling
Castro Valdiviezo, Havdih²; Batista Zaldívar, Mario Adelfo^1
1Technical University of Manabí, Faculty of Basic Sciences, Portoviejo, Ecuador., ; ²Technical University of Manabí, Graduate Faculty, Portoviejo, Ecuador.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 4 , Pág. 48-56]

Summary
Química, Eclética
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 4 , Pág. 16]

Variation in the chemical composition of essential oils from Mangifera indica L. leaves by comprehensive two-dimensional gas chromatography
Cardoso, Claudia Andrea Lima¹; Caramão, Elina Bastos²; Castro, Thiago Luis Aguayo de¹; Simionatto, Euclesio^3
1Mato Grosso do Sul State University, Postgraduate in Natural Resources, Dourados, Brazil., ; ²Tiradentes University, Department of Industrial Biochemistry, Aracaju, Brazil., ; ³Mato Grosso do Sul State University, Chemistry Course, Naviraí, Brazil.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 4 , Pág. 27-36]

Author guidelines
Química, Eclética
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 3 , Pág. 06-15]

Chemical variability of phenolic compounds in Phyllanthus niruri
Albrecht, Ingrid¹; da Silva, Natália Coelho¹; Carvalho, Flávio Alexandre¹; Oda, Fernando Bombarda¹; dos Santos, André Gonzaga^1
1São Paulo State University [https://ror.org/00987cb86], School of Pharmaceutical Sciences, Araraquara, Brazil.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 3 , Pág. 17-26]

Novel organophosphorus Schiff base ligands: Synthesis, characterization, ligational aspects, XRD and biological activity studies
Jamil, Yasmin Mos"ad¹; Al-Azab, Fathi Mohammed¹; Al-Selwi, Nedhal Abdulmawla^1
1Sana"a University [https://ror.org/04hcvaf32], Faculty of Science, Sana"a, Yemen.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 3 , Pág. 36-53]

Oil extraction from seeds of Carica papaya L.: Obtaining the lipid profile and thermal evaluation
Fonseca, Mariana¹; Kobelnik, Marcelo¹; Fontanari, Gustavo Guadagnucci²; Crespi, Marisa Spirandeli¹; Ribeiro, Clóvis Augusto^1
1São Paulo State University [https://ror.org/00987cb86], Institute of Chemistry, Araraquara-SP, Brazil., ; ²Federal Rural University of Amazonia [https://ror.org/02j71c790], Institute of Animal Health and Production, Belém-PA, Brazil.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 3 , Pág. 81-90]

Potential inhibiting activities of phytochemicals in Scilla natalensis bulbs against schistosomiasis
Oyebamiji, Abel Kolawole⁶; Babalola, Jonathan Oyebamiji²; Odelade, Kehinde Abraham¹; Akintelu, Sunday Adewale³; Nubi, Olubunmi Ayoola⁴; Aworinde, Halleluyah Oluwatobi⁵; Faboro, Esther⁶; Akintayo, Emmanuel Temitope⁶; Semire, Banjo^7
1Federal Polytechnic [https://ror.org/0250bhj44], Department of Science Laboratory Technology, Ayede, Nigeria., ; ²University of Ibadan [https://ror.org/03wx2rr30], Department of Chemistry, Ibadan, Nigeria., ; ³Beijing Institute of Technology [https://ror.org/01skt4w74], School of Chemistry and Chemical Engineering, Beijing, China., ; ⁴Nigerian Institute for Oceanography & Marine Research [https://ror.org/01exgks31], Victoria Island, Nigeria., ; ⁵College of Computing and Communication Studies Bowen University, Iwo, ; ⁶Bowen University [https://ror.org/02avtbn34], Department of Chemistry and Industrial Chemistry, Iwo, Nigeria., ; ⁷Ladoke Akintola University of Technology [https://ror.org/043hyzt56], Department of Pure and Applied Chemistry, Ogbomoso, Nigeria.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 3 , Pág. 54-80]

Summary
Química, Eclética
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 3 , Pág. 16]

The potency of cooperative integrated reading and composition in building chemistry students" scientific literacy and self-regulated learning
Habiddin, Habiddin¹; Saputri, Cyndi Yanis¹; Santoso, Aman^1
1State University of Malang [https://ror.org/00ypgyy34], Faculty of Mathematics and Natural Sciences, Malang, East Java, Indonesia.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 3 , Pág. 27-35]

Author guidelines
Química, Eclética
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 2 , Pág. 06-15]

Database
Química, Eclética
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 2 , Pág. 05]

Detection of dopamine using glassy carbon electrodes modified with AgNPs synthetized with Monteverdia ilicifolia extract
Humacayo, Francielle Schremeta¹; Espinoza, Joel Toribio²; de Paula, Josiane de Fátima Padilha²; Lopes, Luma Clarindo¹; Pessoa, Christiana Andrade¹; Magalhães, Cássia Gonçalves^1
1State University of Ponta Grossa, Department of Chemistry, Ponta Grossa, Brazil., ; ²State University of Ponta Grossa, Department of Science, Ponta Grossa, Brazil.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 2 , Pág. 35-48]

Second-generation ethanol: concept, production and challenges
Medeiros, Pedro Vinícius Costa²; Theophilo, Paulo Henrique Medeiros³; Lopes, Gisele Simone¹; Ribeiro, Lívia Paulia Dias^2
1Federal University of Ceará , Laboratory for Applied Chemical Studies, Fortaleza, Brazil., ; ²University for International Integration of the Afro-Brazilian Lusophony, Advanced Center for Analytical Technologies, Redenção, Brazil., ; ³Federal University of Ceará, Laboratory for Applied Chemical Studies, Fortaleza, Brazil.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 2 , Pág. 22-34]

Social media-based learning in Chemistry learning: A review
Widarti, Hayuni Retno²; Sriwahyuni, Titin²; Rokhim, Deni Ainur¹; Syafrudin, Afis Baghiz^2
1State University of Malang, Department of Chemical Education, East Java, Indonesia. Chemistry and PKWU, SMAN 3 Sidoarjo, East Java, Indonesia., ; ²State University of Malang, Department of Chemical Education, East Java, Indonesia.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 2 , Pág. 17-21]

Synthesis of some new substituted imines from aldehydes and ketones derived from quinolinic acid
Fathi, Anwar Abdulghani¹; Al Jawaheri, Yassir Shakeeb¹; Ismaee, Shaimaa Samir^1
1Mosul University, College of Education and Pure Science, Mosul, Iraq.,
[Ecletica quimica, Brasil, 2023 Vol. 48 Núm. 2 , Pág. 49-65]