Research advance of time-resolved fluoroimmunoassay for pesticides detection in food
Peer-Reviewed Publication
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Updates every hour. Last Updated: 24-Jun-2026 00:16 ET (24-Jun-2026 04:16 GMT/UTC)
A comprehensive review published in Food & Medicine Homology highlights the transformative potential of time-resolved fluoroimmunoassay (TRFIA) as a fast, sensitive, and practical method for detecting pesticide residues in foods.
To overcome the challenge of insufficient loss strength in single-phase high-entropy ferrites, this work develops a novel defect-engineering-driven dual-phase strategy to fabricate spinel/rock-salt structured (Fe₀.₅Mg₀.₅CoNiCuMn)₃O₄@CuO composite ceramics. Combined experimental characterization and first-principles calculations demonstrate a strong positive correlation between defect concentration and microwave absorption performance. The optimized material achieves outstanding electromagnetic absorption with a minimum reflection loss of -48 dB and an effective absorption bandwidth of 3.9 GHz in the X-band. Remarkably, this work obtains 70% bandwidth retention after 1200 °C oxidation and a thermal conductivity of 2.154 W·m⁻¹·K⁻¹, demonstrating exceptional high-temperature stability and thermal management capability. This study pioneers a new pathway for the development of oxidation resistance and electromagnetic protection materials through defect-engineering-driven synergistic modulation.
A four-channel chemiresistive gas-sensor array built from CuO/Bi2O2CO3 p-n heterostructured micro-flowers can selectively detect three odor-active VOCs, nonanal, benzaldehyde, and 1-octen-3-ol, at room temperature. By combining the array readout with multivariate analysis, the system distinguishes cooked rice prepared from grains stored for different durations, offering a low-power route toward real-time food-quality monitoring.