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Development of nanostructured electrodes for determination of agrotoxic residues in honey

Grant number: 19/01844-4
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): August 01, 2019
Effective date (End): July 31, 2021
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Principal Investigator:Bruno Campos Janegitz
Grantee:Paulo Roberto de Oliveira
Home Institution: Centro de Ciências Agrárias (CCA). Universidade Federal de São Carlos (UFSCAR). Araras , SP, Brazil
Associated research grant:17/21097-3 - Bee-agriculture interactions: perspectives to sustainable use, AP.TEM

Abstract

The increasing use of pesticides and herbicides in farming leads to an increase in the contamination of fauna and flora. An example is the bees contamination by pesticides and herbicides, which entails to the mortality of these animals, indispensable for the proliferation of plants. An indication of this contamination in bees is the presence of these species or sub products in honey, which can be detected by the use of electrochemical techniques. The present proposal has as main focus the development of electrochemical sensors based on electrodes modified with conductive composite films in the determination of contaminants in bee honey. For the production of these films, beeswax and conductive carbonaceous materials will be used, in which the beeswax will have as purpose the agglutination and immobilization of the conductive material on the surface of the base electrode. The carbon-based conductive materials used will be carbon black, carbon nanotubes and graphene, in which the characteristics of each material will be exploited in order to obtain a sensor with high sensitivity, robustness, low cost and sustainability. (AU)

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)
VIDAL RAMOS, MATHEUS MESQUITA; CARVALHO, JEFFERSON H. S.; DE OLIVEIRA, PAULO ROBERTO; JANEGITZ, BRUNO CAMPOS. Determination of serotonin by using a thin film containing graphite, nanodiamonds and gold nanoparticles anchored in casein. MEASUREMENT, v. 149, JAN 2020. Web of Science Citations: 0.

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