Honeycomb-Like Porous Carbon Embedding CsPbBr₃ Quantum Dots to Construct Portable Electrochemiluminescent Plastic Chips for the Ultrasensitive Detection of Aflatoxin B1 in Corn Oil.

Authors

Shaowei Li, Ping Zhao, Hao Liu, Ya Gao, Chengyi Xiong, Shengfu Wang, Xiuhua Zhang, Miao-Miao Chen

Published in

Small (Weinheim an der Bergstrasse, Germany). Pages e75264. Aug 17, 2026. Epub Aug 17, 2026.

Abstract

Aflatoxin B1 (AFB1) contamination in edible oils poses a serious threat to food safety, yet its sensitive and rapid detection is hindered by the high viscosity and electrical insulativity of oil matrices. Herein, we constructed an electrochemiluminescence (ECL) sensing chip for rapid determination of AFB1 in corn oil. Honeycomb-like porous carbon materials (HPCMs) derived from wood waste were employed to encapsulate CsPbBr₃ quantum dots (CsPbBr₃ QDs). The resulting CsPbBr₃ QDs@HPCMs composites exhibit efficient ECL responses without coreactant participation in 1-butyl-3-methylimidazolium hexafluorophosphate ionic liquid electrolyte. A patterned three-electrode chip fabricated with carbon ink on a plastic substrate was constructed as a portable ECL device. Coupled with a humic acid-bonded silica solid-phase extraction needle, this platform enables ultrasensitive and selective detection of AFB1 in corn oil. This study offers a promising ECL sensing strategy in oil-phase food safety analysis.

PMID:
42605568
Bibliographic data and abstract were imported from PubMed on 17 Aug 2026.

Read full publication at:
Please sign in to see all details.

Stats

1-terrible, 9-excellent. How would you rate this publication? Sign in in to submit your rating.

Post a comment

You need to be signed in to post comments. You can sign in here.

Comments

There are no comments yet.