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Bioaccumulation, subcellular partition and biomarkers at different levels of biological organization of aquatic invertebrates exposed to metallic nanoparticles

Grant number: 22/10154-4
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): October 01, 2022
Effective date (End): September 30, 2023
Field of knowledge:Biological Sciences - Ecology
Principal Investigator:Camilo Dias Seabra Pereira
Grantee:Caio Rodrigues Nobre
Host Institution: Instituto do Mar (IMar). Universidade Federal de São Paulo (UNIFESP). Campus Baixada Santista. Santos , SP, Brazil
Associated research grant:19/08491-0 - Atmospheric particulate material and environmental contamination. Impact assessment in the aquatic biota in an integrated ecophysiotoxicological approach, AP.TEM


Obtaining data on physical-chemical aspects related to contamination by metallic nanoparticles (NPs) from the integration of chemical, molecular/biochemical analyzes and physiological/behavioral performance in different groups of animals is essential to determine the contamination pattern, mechanisms of action, pathways of effect and biological/ecological damages. In this context, the postdoctoral work plan focuses on obtaining answers to the following questions: (i) What is the effective bioavailability of emerging and non-emerging contaminants in the tissues of aquatic organisms? (ii) What are the genetic, biochemical and morphofunctional responses of shrimps and crabs to the presence of these contaminants in the organism? For that, shrimp of the species Litopenaeus vannamei and crabs of the species Ucides cordatus willl be exposed to metallic NPs and later evaluated for bioaccumulation, subcellular partition and cytogentoxic and physiological biomarkers.

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