A Green Light Emitting Turn-On Ionic Liquid-Based Nano-Optode for Selective and Sensitive Detection of Dextran Sulfate

    January 2025 in “ Analytical Methods ”
    S.B. Rai, Shubham Lama, Upika Darnal, Subekchha Pradhan, Sabbir Ahamed, Najmin Tohora, Abhikrit Rai, Tshumi Tamang, Sudhir Kumar Das
    TLDR A new fluorescent material can detect dextran sulfate sodium, turning green when present, useful for forensic and environmental monitoring.
    The study presents a novel fluorescent ionic liquid (FLIL) developed for the sensitive and selective detection of dextran sulfate sodium (DSS), a compound that can cause adverse effects like hair loss. The FLIL, created through a simple ionic exchange reaction, exhibits high sensitivity to DSS, with detection limits in the nanomolar range. The material transitions from non-fluorescent to green fluorescent upon DSS addition, and a paper-based strip kit was also developed for practical DSS detection in solid samples. This innovative approach offers superior properties for potential forensic and environmental monitoring applications.
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