β-cyclodextrin-cobalt ferrite nanocomposite as enhanced sensing platform for catechol determination.

Area of Science:

• Electrochemistry
• Materials Science
• Nanotechnology

Background:

• Developing sensitive and selective electrochemical sensors is crucial for environmental monitoring.
• Catechol (CT) is a common environmental pollutant requiring efficient detection methods.
• Nanocomposite materials offer unique properties for enhanced sensor performance.

Purpose of the Study:

• To develop a novel electrochemical sensor for sensitive catechol detection.
• To utilize the synergistic properties of β-cyclodextrin and cobalt ferrite nanocomposite.
• To evaluate the sensor's analytical performance, selectivity, and applicability in real samples.

Main Methods:

• Fabrication of a β-cyclodextrin-cobalt ferrite nanocomposite via sonication-induced assembly.
• Modification of an electrode surface with the synthesized nanocomposite.
• Electrochemical characterization and catechol detection using cyclic voltammetry and amperometry.
• Evaluation of sensor performance including detection limit, selectivity, and reproducibility.

Main Results:

• The developed sensor demonstrated a wide linear detection range for catechol from 1 to 200 μM.
• A low detection limit of 0.12 μM (S/N=3) was achieved for catechol.
• The sensor exhibited good selectivity and acceptable reproducibility for catechol detection.
• The sensor was successfully applied for the detection of catechol in water samples.

Conclusions:

• The β-cyclodextrin-cobalt ferrite nanocomposite is a promising material for electrochemical sensing applications.
• The developed sensor provides a sensitive, selective, and reliable method for catechol detection.
• This approach holds potential for environmental monitoring of catechol contamination.