Guna's thesis title is "Eco-technologies for the treatment of surface waters contaminated with cyanotoxins", supervised by Dr. Alexandre Campos, Dr. Marisa Almeida and Dr. Pedro Carvalho. This thesis is supported by the European Commission through the project TOXICROP (grant agreement No. 823860) and La Caixa Foundation for funding the PhD work contract of Guna Bavithra (Fellowship code: LCF/BQ/DI21/11860058).