The Institute of Public Health of the University of Porto (ISPUP) opens an international selection procedure for hiring a Doctoral Researcher to carry out research activities in the scientific areas of Chemistry or Biochemistry, in the context of an individual employment contract with an uncertain resolution, under the Labour Code, approved by Law no. 7/2009, of 12 February, as amended. These research activities are carried out under the project “INGested nanomaterials and metal MIXtures in food: developing integrated strategies to support human health risk assessment and regulatory frameworks “, reference 2022.03491.PTDC, funded by Fundação para a Ciência e a Tecnologia (FCT).