Abstract:Heavy metal ions pollution is posing a major danger to human health across the planet. We present a phenylhydrazone-based colorimetric sensor for detecting Cu 2 + ions in tap water and human blood plasma. The phenylhydrazone-based sensor (Sensor 1) is extremely selective for recognizing Cu 2 + ions over other similar metal ions by producing a colorimetric response. Upon interaction with Cu 2 + , the colorless sensor 1 changes to dark yellow within a minute producing a bathochromic shift in the absorption spect… Show more
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