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A novel approach to Hg<SUP>2+</SUP> determination in water samples using carbon dots based on paper and fluorescence digital image analysis

Journal of Chemical Technology & Biotechnology
2024 | Journal article
Contributors: Maia, Matheus Valentin; Suarez, Willian Toito; dos Santos, Vagner Bezerra; de Oliveira, Severino Carlos Bezerra; de Almeida, Joao Paulo Barbosa
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Métodos Baseados em Imagem Digital: das Considerações Gerais ao Ensino de Química

Revista Virtual de Química
2024 | Journal article
Contributors: Claudinéia Rosa da Silva Oliveira; Willian Toito Suarez; Helena Rosa dos Anjos Nahas; Fábio Junior Moreira Novaes; João Paulo Barbosa de Almeida; Vagner Bezerra dos Santos
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Fluorescence digital image-based method to measure biogenic amines in Buffalo Mozzarella and other cheeses produced in Brazil

Microchemical Journal
2023 | Journal article
Contributors: dos Santos, Vagner Bezerra; Campos, Erik F. S.; de Almeida, Joao Paulo B.; Suarez, Willian Toito; Oliveira, Claudineia R. S.; de Oliveira, Severino Carlos B.
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Lab-on-a-Drone: remote voltammetric analysis of lead in water with real-time data transmission

Analytical Methods
2023 | Journal article
Contributors: de Almeida, Joao Paulo B.; de A. Carvalho, Vinicius; da Silva, Leandro P.; do Nascimento, Maysa L.; de Oliveira, Severino B.; Maia, Matheus V.; Suarez, Willian T.; Garcia, Carlos D.; dos Santos, Vagner B.
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RGB-LED-PHOTOMETER AND THE DIGITAL IMAGE-BASED METHOD USING A SMARTPHONE FOR CHEMISTRY AND PHYSICS TEACHING

Quimica Nova
2023 | Journal article
Contributors: dos Santos, Vagner B.; de Oliveira, Wevylla M. S.; de Almeida, Joao Paulo B.; V. Foguel, Marcos; Suarez, Willian T.; de Oliveira, Josiane L.
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Simultaneous voltammetric determination of 7-methyl-guanine and 5-methyl-cytosine using a cathodically pre-treated boron-doped diamond electrode

Analytical Biochemistry
2023 | Journal article
Contributors: Oliveira, Jose Eudes S.; Araujo, Alex P.; Alves, Arthur S.; Silva, Maycom W. F.; de Almeida, Joao Paulo B.; Nascimento, Jose Ailton M.; dos Santos, Vagner B.; Oliveira, Severino Carlos B.
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Using a biphasic system and digital imaging analysis with chemometric tools for simultaneous determination of Cu<SUP>2+</SUP> and furfural in cachaca

Analytical Methods
2023 | Journal article
Contributors: Franco, Mathews de O. K.; Cardoso, Wilson J.; Vilanculo, Castelo B.; dos Santos, Vagner B.; de Almeida, Joao Paulo B.; Capitan-Vallvey, Luis Fermin; Suarez, Willian T.
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Using colorimetric spot test and digital imaging-based technique for volatile acidity determination in <i>cachaca</i> with the aid of a smartphone

Microchemical Journal
2023 | Journal article
Contributors: Franco, Mathews de Oliveira Krambeck; Suarez, Willian Toito; Pereira, Gustavo Rodrigues Penha; Vilanculo, Castelo Bandane; Vieira, Maria Carolina Robaina; Santos, Vagner Bezerra dos; de Almeida, Joao Paulo Barbosa
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A fluorescence digital image-based method using carbon quantum dots to evaluate the compliance of a biocidal agent

Analytical Methods
2022 | Journal article
Contributors: Barbosa de Almeida, Joao Paulo; dos Santos, Vagner Bezerra; do Nascimento, Gustavo Alves; Suarez, Willian Toito; de Azevedo, Walter Mendes; Ferreira, Aldebara Fausto; Maia, Matheus Valentin
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Carbon dots on paper for determination of Cu<SUP>2+</SUP> in sugar cane spirits samples for fluorescence digital image-based method

Microchemical Journal
2022 | Journal article
Contributors: Maia, Matheus Valentin; Suarez, Willian Toito; dos Santos, Vagner Bezerra; Barbosa de Almeida, Joao Paulo
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