Preparation of magnetic rice husk carbon nanocomposite for efficiently extracting aflatoxin B1 from rice followed by time-resolved fluorescent immunochromatographic assay
文献类型： 外文期刊
作者： Yuan, Di 1 ; Hong, Bin 1 ; Zhang, Shan 1 ; Shan, Shan 1 ; Zhang, Jingyi 1 ; Ren, Chuanying 1 ;
作者机构： 1.Heilongjiang Acad Agr Sci, Food Proc Res Inst, Harbin 150086, Peoples R China
2.Heilongjiang Prov Key Lab Food Proc, Harbin 150086, Peoples R China
3.Heilongjiang Prov Engn Res Ctr Whole Grain Nutr Fo, Harbin 150086, Peoples R China
关键词： Aflatoxin B1 (AFB1); Magnetic solid-phase extraction (MSPE); Quantification; Time-resolved fluorescent; immunochromatographic assay (TRFICA); Magnetic rice husk carbon nanocomposite
期刊名称：FOOD CHEMISTRY-X （ 影响因子：8.2； 五年影响因子：8.2 ）
ISSN： 2590-1575
年卷期： 2025 年 25 卷
页码：
收录情况： SCI
摘要： An on-site, sensitive, and cost-effective method for determining aflatoxin B1 (AFB1) in rice samples is proposed, combining magnetic solid phase extraction (MSPE) and time-resolved fluorescence immunochromatography (TRFICA) techniques. Cost-effective rice husks were carbonized and combined with nanomaterials to make magnetic nanocomposites that acted as effective adsorbents in MSPE. Under optimal conditions, the entire process was completed in 15 min with a visual detection limit of 0.16 mu g/kg. Recoveries ranged from 85.2 % to 109.4 %, with intra- and inter-day precisions below 11.5 %. The proposed MSPE-TRFICA method offers a viable alternative for the rapid and highly sensitive quantitative detection of AFB1 for quality assurance.
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