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Poster Contributed Presentation

RAM

Monday Poster Sessions

M12 - Determination of bifenthrin insecticide in fish food and fish tissues using vibrational spectroscopy

Monday, October 6, 2025
9:45 AM - 5:30 PM EDT
Location: Ballroom C
In fifteen words or less, explain the significance of this contribution (Novel Aspect).:









Rapid spectroscopic detection enables early, sensitive monitoring of bifenthrin in aquatic environments.










 








 

Abstract Text:

Bifenthrin, a widely used pyrethroid insecticide for pest control, poses significant environmental risks due to its persistence and accumulation in aquatic ecosystems. It enters water bodies primarily through agricultural runoff and seepage, where it accumulates in organisms such as fish and invertebrates, leading to both lethal and sublethal effects.

This study presents a rapid and straightforward spectroscopic method for detecting bifenthrin in environmental samples. We validate this approach using Fourier Transform Infrared (FT-IR) spectroscopy and Surface-Enhanced Raman Spectroscopy (SERS). Experimental samples include bifenthrin-dosed fish food pellets and tissues from juvenile Chinook salmon, with bifenthrin dissolved in acetone serving as a control. Calibration curves are developed to quantify bifenthrin concentration. The limit of detection (LOD) for each technique is determined, along with statistical analyses of the spectral data.