MARCELO MIYADA REDÍGOLO
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Artigo IPEN-doc 28903 Gas chromatography-mass spectrometry analysis of irradiated fluoxetine aqueous samples2021 - REDÍGOLO, MARCELO M.; CALVO, WILSON A.P.; BOIANI, NATHALIA F.; TOMINAGA, FLAVIO K.; BORRELY, SUELI I.The last decade witnessed the drastic increase in the use of antidepressant drugs, being fluoxetine the most prescribed worldwide. Conventional wastewater treatment is inefficient in removing fluoxetine and its accumulation in water bodies and water living organism is inevitable. Among several methods for contaminant removal from wastewater, electron beam irradiation is an efficient and green technology. This work presents the characterization of aqueous fluoxetine samples before and after irradiation. Gas chromatography coupled to mass spectrometry was used to identify the original compound and its irradiation products. Results indicate a drastic reduction in fluoxetine presence after the irradiation process. Radiolysis pathways were proposed based on mass fragments identification.Artigo IPEN-doc 28201 Degradation and toxicity of amoxicillin after electron beam irradiation2021 - VILLARDI, B.D.; REDÍGOLO, M.M.; TOMINAGA, F.K.; LEBRE, D.T.; BORRELY, S.I.