Efficient Catalysis Based on ZnFe2O4/BSN-rGO Nanoparticles for Chlorogenic Acid Detection

Area of Science:

• Electrochemistry
• Materials Science
• Analytical Chemistry

Background:

• Chlorogenic acid (CGA) is a plant phenolic with therapeutic potential and toxicity risks.
• Accurate CGA quantification is crucial for its safe application.

Purpose of the Study:

• Develop a rapid and sensitive electrochemical method for CGA detection.
• Utilize spinel-based catalysts with enhanced conductivity for improved sensing.

Main Methods:

• Constructed an electrochemical sensor using ZnFe2O4 and boron, sulfur, and nitrogen co-doped reduced graphene oxide (BSN-rGO) nanocomposite.
• Leveraged the synergistic effects between ZnFe2O4 and BSN-rGO for superior charge transport.
• Achieved rapid CGA analysis within two minutes.

Main Results:

• The sensor demonstrated a linear detection range from 1 × 10⁻⁴ to 1 × 10⁻¹ M.
• Achieved a low detection limit of 1 × 10⁻⁶ M (S/N=3).
• Exhibited high accuracy (97.48%-100.75% recovery) and reproducibility (RSDs 1.02%-2.95%) in complex matrices.

Conclusions:

• The developed sensor enables rapid and reliable detection of CGA.
• The BSN-rGO integration significantly enhances spinel conductivity and electrochemical sensing performance.
• The method shows promise for pharmaceutical and food analysis.