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<p>A highly sensitive and selective fluorescence-based sensor JK/2,6-bis((E)-4-chlorobenzylidene)-4-methylcyclohexan-1-one, has been developed for the trace-level detection of cobalt (Co²⁺) ions. The sensor exhibits strong fluorescence emission, which undergoes significant enhancement in fluorescence intensity upon interaction with Co²⁺, in the presence of interfering metal ions, allowing for rapid and efficient detection. Detailed spectroscopic studies reveal a high binding affinity between the sensor and cobalt ions, attributed to specific coordination interactions. The sensor demonstrates a low detection limit, excellent selectivity over competing metal ions, and good reproducibility, making it efficient sensor for cobalt ion detection in environmental and industrial applications. This work provides a cost-effective and efficient approach for monitoring cobalt contamination in environmental water samples.</p>

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Fluorescence Based Trace Level Detection of Cobalt Using 2,6-bis((E)-4-chlorobenzylidene)-4-methylcyclohexan-1-one as Sensor

  • 期刊论文

  • 发表日期：

    2025年4月23日

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  • Amnah Mohammed Alsuhaibani,
  • Moamen S. Refat,
  • Jehangir Khan,
  • Taj Gul,
  • Qamar Gul

摘要

A highly sensitive and selective fluorescence-based sensor JK/2,6-bis((E)-4-chlorobenzylidene)-4-methylcyclohexan-1-one, has been developed for the trace-level detection of cobalt (Co²⁺) ions. The sensor exhibits strong fluorescence emission, which undergoes significant enhancement in fluorescence intensity upon interaction with Co²⁺, in the presence of interfering metal ions, allowing for rapid and efficient detection. Detailed spectroscopic studies reveal a high binding affinity between the sensor and cobalt ions, attributed to specific coordination interactions. The sensor demonstrates a low detection limit, excellent selectivity over competing metal ions, and good reproducibility, making it efficient sensor for cobalt ion detection in environmental and industrial applications. This work provides a cost-effective and efficient approach for monitoring cobalt contamination in environmental water samples.