Colorimetric detection of paraquat in aqueous and fruit juice samples based on functionalized gold nanoparticles
文献类型：期刊论文
| 作者 | Zhang, Yujie; Huang, Yunlong; Fu, Ling; Qiu, Jiaoyan; Wang, Zhuqing; Wu, Aiguo |
| 刊名 | JOURNAL OF FOOD COMPOSITION AND ANALYSIS
 |
| 出版日期 | 2020 |
| 卷号 | 92 |
| 关键词 | ANTIAGGREGATION TOXICITY EXPOSURE ASSAY |
| DOI | 10.1016/j.jfca.2020.103574 |
| 英文摘要 | Paraquat (PQ) is a kind of herbicide, which is highly toxic to human body. In this work, we proposed a fast and simple detection method for PQ in aqueous samples based on electrostatic interactions between modified gold nanoparticles (Au NPs) and PQ. Au NPs were first modified with sodium 3-mercapto-1-propanesulfonate (Au NPs-3MPS). 3MPS with negative charge can interact with nitrogen atoms of PQ with positive charge via electrostatic force. As a result, Au NPs-3MPS aggregated together. Accordingly, the color of Au NPs-3MPS colloid changed from red to blue-gray, and the UV-vis absorption spectrum changed accordingly. The detection limit of PQ is 0.1 mg/L by naked eyes, and 0.001 mg/L by UV-vis spectroscopy. Moreover, this detection method has good specific selectivity and anti-interference performance, and it has been successfully used for detecting PQ in real environmental samples and fruit juice samples. |
| 学科主题 | Chemistry ; Food Science & Technology |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/20543]  |
| 专题 | 2020专题 2020专题_期刊论文 |
| 作者单位 | 1.Wang, ZQ (corresponding author), Anqing Normal Univ, Coll Chem & Chem Engn, Anqing 246001, Anhui, Peoples R China. 2.Wu, AG (corresponding author), Chinese Acad Sci, Cixi Inst Biomed Engn, Ningbo Inst Mat Technol & Engn, CAS Key Lab Magnet Mat & Devices, 1219 Zhongguan West Rd, Ningbo 315201, Zhejiang, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Zhang, Yujie,Huang, Yunlong,Fu, Ling,et al. Colorimetric detection of paraquat in aqueous and fruit juice samples based on functionalized gold nanoparticles[J]. JOURNAL OF FOOD COMPOSITION AND ANALYSIS,2020,92. |
| APA | Zhang, Yujie,Huang, Yunlong,Fu, Ling,Qiu, Jiaoyan,Wang, Zhuqing,&Wu, Aiguo.(2020).Colorimetric detection of paraquat in aqueous and fruit juice samples based on functionalized gold nanoparticles.JOURNAL OF FOOD COMPOSITION AND ANALYSIS,92. |
| MLA | Zhang, Yujie,et al."Colorimetric detection of paraquat in aqueous and fruit juice samples based on functionalized gold nanoparticles".JOURNAL OF FOOD COMPOSITION AND ANALYSIS 92(2020). |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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