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Gold nanoparticles encapsulated in nanocarriers of pesticide as a potential label for understanding its fate in plants

Grant number: 20/12769-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): December 01, 2020
Effective date (End): November 30, 2021
Field of knowledge:Biological Sciences - Biochemistry - Chemistry of Macromolecules
Principal researcher:Renato Grillo
Grantee:Mariana Monteiro de Lima Forini
Home Institution: Faculdade de Engenharia (FEIS). Universidade Estadual Paulista (UNESP). Campus de Ilha Solteira. Ilha Solteira , SP, Brazil
Associated research grant:17/21004-5 - Agriculture, micro/nanotechnology and environment: from evaluation of the mechanisms of action to studies of transport and toxicity, AP.TEM


The development of biodegradable nanopesticides has brought significant advances for agriculture in the last decade. Such nanocarriers can reduce the physicochemical degradation of the active ingredient in the field, thus reducing their toxicity and increasing their efficiency. However, due to the difficulty of tracking such nanocarriers, little is known about their fate in terrestrial and aquatic organisms. In this context, the proposal for this project consists of developing lipid nanocarriers, which have already been studied as nanopesticides, and encapsulating gold nanoparticles with hydrophobic characteristics inside them. Thus, it is expected to obtain a label nanocarrier that can be tracked and analyzed by existing spectroscopic techniques. Therefore, this project involves the manufacture and optimization of hybrid nanocarriers, as well as the study of their fate in the aquatic plant using the atomic absorption spectroscopy, infrared, and scanning electron microscopy with energy dispersive X-Ray (SEM-EDX). Thus, it is hoped with these results to understand the interaction between nanopesticides and plants, thus being able to contribute to the development of future more accurate and safe nanocarriers for pest control in agriculture.

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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)
PONTES, MONTCHARLES S.; ANTUNES, DEBORA R.; OLIVEIRA, IVAN P.; FORINI, MARIANA M. L.; SANTOS, JAQUELINE S.; ARRUDA, GILBERTO J.; CAIRES, ANDERSON R. L.; SANTIAGO, ETENALDO F.; GRILLO, RENATO. Chitosan/tripolyphosphate nanoformulation carrying paraquat: insights on its enhanced herbicidal activity. ENVIRONMENTAL SCIENCE-NANO, v. 8, n. 5, p. 1336-1351, MAY 1 2021. Web of Science Citations: 1.
GRILLO, RENATO; MATTOS, BRUNO D.; ANTUNES, DEBORA R.; FORINI, MARIANA M. L.; MONIKH, FAZEL A.; ROJAS, ORLANDO J. Foliage adhesion and interactions with particulate delivery systems for plant nanobionics and intelligent agriculture. NANO TODAY, v. 37, APR 2021. Web of Science Citations: 4.

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