João Paulo Barbosa de Almeida

Carbon dots on paper for determination of Cu2+ in sugar cane spirits samples for fluorescence digital image-based method

Matheus Valentin Maia, Willian Toito Suarez, Vagner Bezerra dos Santos et al. · Microchemical Journal · 2022 · 28 citations

Chemical Engineering, Engineering, Analytical Chemistry +3

A fluorescence digital image-based method using carbon quantum dots to evaluate the compliance of a biocidal agent

João Paulo Barbosa de Almeida, Vagner Bezerra dos Santos, Gustavo Nascimento et al. · Analytical Methods · 2022 · 21 citations

Fluorescence digital image-based method to measure biogenic amines in Buffalo Mozzarella and other cheeses produced in Brazil

Vagner Bezerra dos Santos, Erik F.S. Campos, João Paulo Barbosa de Almeida et al. · Microchemical Journal · 2023 · 20 citations

Engineering, Medicine, Food Analysis +9

Using a biphasic system and digital imaging analysis with chemometric tools for simultaneous determination of Cu²⁺ and furfural in cachaça

Mathews de Oliveira Krambeck Franco, Wilson J. Cardoso, Castelo Bandane Vilanculo et al. · Analytical Methods · 2023 · 14 citations

Using colorimetric spot test and digital imaging-based technique for volatile acidity determination in cachaça with the aid of a smartphone

Mathews de Oliveira Krambeck Franco, Willian Toito Suarez, Gustavo Rodrigues Penha Pereira et al. · Microchemical Journal · 2023 · 11 citations