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Determination of tetracycline in several samples using modified sensors with carbon black and potato starch

Grant number: 16/19885-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): November 01, 2016
Effective date (End): October 31, 2017
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal researcher:Bruno Campos Janegitz
Grantee:Karina Paes Delgado
Home Institution: Centro de Ciências Agrárias (CCA). Universidade Federal de São Carlos (UFSCAR). Araras , SP, Brazil


In a society where everything happens quickly, it is important rapid and objective responses in analysis of various segments. Drugs in general, especially the tetracycline family (antibiotic) is present as contaminant of environment. In this context, electrochemical sensors are alternatives for the determination of tetracycline in environmental and industrial samples. On the other hand, the use of nanomaterials in electroanalysis can present better results, better accuracy and lower detection limits. Carbon black is an interesting nanomaterial for using in the modification of electrodes because of its properties, such as good conductivity and low cost. Potato starch is a biopolymer that can be used in the production of films, obtaining as a result as a material with excellent mechanical properties and a good homogeneity of surface; In the present work, we propose the modification of a glassy carbon electrode using carbon black and potato starch. It is expected that the modified electrode shows good results for the determination of tetracycline antibiotics in pharmaceutical and environmental samples.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DELGADO, KARINA P.; RAYMUNDO-PEREIRA, PAULO A.; CAMPOS, ANDERSON M.; OLIVEIRA, JR., OSVALDO N.; JANEGITZ, BRUNO C. Ultralow Cost Electrochemical Sensor Made of Potato Starch and Carbon Black Nanoballs to Detect Tetracycline in Waters and Milk. Electroanalysis, v. 30, n. 9, p. 2153-2159, SEP 2018. Web of Science Citations: 3.

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