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Hexamethylene-bridging tetraarylimidazolium pyridinium salt: An effective “turn-on” fluorescence sensor for pesticide cyhalothrin
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DOI：10.1016/j.jphotochem.2026.117331.png)
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Abstract
En 中文
• A hexamethylene-bridging tetraarylimidazolium pyridinium salt was prepared. • It was the first fluorescent sensor for the pesticide cyhalothrin with high selectivity. • A distinct “turn-on” blue fluorescence response upon sensing cyhalothrin. • The detection limit is as low as 1.99 × 10−8 M. • The real application was confirmed by paper tests, corn sample and water samples.
Keywords:
fluorescence sensor
cyhalothrin
detection limit
paper test
real application
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