Toxicity of Silver Nanoparticles in Persian Sturgeon (Acipenser persicus) and Starry Sturgeon (Acipenser stellatus) during Early Life Stages

Banan, Ashkan; Kalbassi Masjed Shahi, Mohammad Reza; Bahmani, Mahmoud; Yazdani Sadati, Mohammad Ali

Toxicity of Silver Nanoparticles in Persian Sturgeon (Acipenser persicus) and Starry Sturgeon (Acipenser stellatus) during Early Life Stages

Authors

Ashkan Banan ¹

Mohammad Reza Kalbassi Masjed Shahi ²

Mahmoud Bahmani ³

Mohammad Ali Yazdani Sadati ⁴

¹ PhD Student/ Tarbiat Modares University

² Director of Education/ Tarbiat Modares University

³ Chairmanship/ International Sturgeon Research Institute

⁴ Director/ International Sturgeon Research Institute

Abstract

Silver nanoparticles (AgNPs) are widely used in consumer products mainly due to their antimicrobial action. The rapid increase in the use of nanoparticles has driven more attention to their possible ecotoxicological effects. In this study: first, acute effects of colloidal AgNPs during embryonic stage of Persian sturgeon and Starry sturgeon were investigated and then in Starry sturgeon, their short-term effects during early life stages (before active feeding commences) were analyzed. Based on the obtained results from the acute toxicity tests, AgNPs induced a dose-dependent toxicity in both species during early life stages. The short-term toxicity test was performed using 0, 0.025, 0.05 and 0.1 mg/l of colloidal AgNPs. Silver accumulation in larvae exposed to 0.1 mg/l AgNPs was recorded significantly higher than the control treatment (P<0.05). However, the obtained survival rate data did not indicate any significant differences among treatments.

Keywords

nanoecotoxicology

colloidal silver nanoparticles

sturgeons

Bioaccumulation