A novel magnetic resonance tuning-magnetic relaxation switching sensor based on Gd-MOF/USPIO assembly for sensitive and convenient aflatoxin B1 detection

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成果类型：

期刊论文

作者：

Dai, Shiqin;Xing, Keyu;Jiao, Yanna;Yu, Shaoyi;Yang, Xingyu;...

通讯作者：

Xu, Z

作者机构：

[Yu, Shaoyi; Cheng, Yunhui; Xu, Zhou; Yang, Xingyu; Yao, Li; Jia, Pei; Xing, Keyu; Dai, Shiqin] Changsha Univ Sci & Technol, Sch Food Sci & Bioengn, Hunan Prov Key Lab Cytochemistry, Changsha 410114, Hunan, Peoples R China.

[Jiao, Yanna] Technol Ctr Changsha Customs Dist, Changsha 410116, Hunan, Peoples R China.

[Cheng, Yunhui] Qilu Univ Technol, Sch Food Sci & Engn, Jinan 250353, Shandong, Peoples R China.

[Xu, Zhou] Hunan Acad Forestry, State Key Lab Utilizat Woody Oil Resource, Changsha 410004, Hunan, Peoples R China.

通讯机构：

[Xu, Z ] C

Changsha Univ Sci & Technol, Sch Food Sci & Bioengn, Hunan Prov Key Lab Cytochemistry, Changsha 410114, Hunan, Peoples R China.

语种：

英文

关键词：

Aflatoxin B1;Gadolinium-based metal–organic framework;Magnetic relaxation switching;Magnetic resonance tuning;Ultra-small superparamagnetic iron oxide nanoparticles

期刊：

Food Chemistry

ISSN：

0308-8146

年：

2024

卷：

443

页码：

138537

DOI：

10.1016/j.foodchem.2024.138537

基金类别：

World" Special Funds [097000303133]

机构署名：

本校为第一且通讯机构

摘要：

Aflatoxin B1 (AFB1) can accumulate in different organs or tissues and seriously harm humans. Traditional magnetic relaxation switching (MRS) sensors have relatively low sensitivity, but are complex to use. Rapid small-trace molecule analysis in complex samples is challenging. In this study, we used a gadolinium-based metal-organic framework (Gd-MOF) and ultra-small superparamagnetic iron oxide (USPIO) assembly to develop a magnetic resonance tuning-magnetic relaxation switching (MRET-MRS) sensor to improve conventional MRS sensor sensitivity and simplify operational steps in complex samples. I...

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A novel magnetic resonance tuning-magnetic relaxation switching sensor based on Gd-MOF/USPIO assembly for sensitive and convenient aflatoxin B1 detection

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