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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lay, Sovichea Yu, Hai ning Hu, Bao xiang Shen, Sheng rong |
| Copyright Year | 2016 |
| Abstract | A pre-treatment methodology for clenbuterol hydrochloride (CLEN) isolation and enrichment in a complex matrix environment was developed through exploiting molecularly imprinted polymers (MIPs). CLEN-imprinted polymers were synthesized by the combined use of ally-β-cyclodextrin (ally-β-CD) and methacrylic acid (MAA), allyl-β-CD and acrylonitrile (AN), and allyl-β-CD and methyl methacrylate (MMA) as the binary functional monomers. MAA-linked allyl-β-CD MIPs (M-MAA) were characterized by Fourier transform-infrared (FT-IR) spectroscopy and a scanning electron microscope (SEM). Based upon the results, M-MAA polymers generally proved to be an excellent selective extraction compared to its references: AN-linked allyl-β-CD MIPs (M-AN) and MMA-linked allyl-β-CD MIPs (M-MMA). M-MAA polymers were eventually chosen to run through a molecularly imprinted solid-phase extraction (MISPE) micro-column to enrich CLEN residues spiked in pig livers. A high recovery was achieved, ranging from 91.03% to 96.76% with relative standard deviation (RSD) ≤4.45%.测定猪肝脏中微量盐酸克仑特罗的残留量。开发一种新的瘦肉精检测方法。用β-环糊精(ally-β-CD)和甲基丙烯酸(MAA)为功能单体制作分子印迹聚合物(MIP), 以盐酸克伦特罗作为模板, 用乙烯乙二醇二甲基丙烯酸酯(EGDMA)作为交联剂。联合使用ally-β-CD和MAA 作为二元功能单体, 能合成高质量的盐酸克伦特罗模板。结论与丙烯腈制作的MIP(M-AN)和甲基丙烯酸甲酯制作的MIP(M-MMA)相比, MAA 制作的MIP 聚合物(M-MAA)被证明具有更好的选择性萃取能力, 被用来进行分子印记固相萃取猪肝中残留物。研究结果发现, 其回收率高(91.03%∼96.76%), 且相对标准偏差低(RSD≤4.45%)。因此, 这种方法可以用于食品质量和安全的分析, 具有简单、成本低廉的特点, 能够快速检测猪肝中的瘦肉精残留量。 |
| Starting Page | 465 |
| Ending Page | 475 |
| Page Count | 11 |
| File Format | |
| ISSN | 16731581 |
| Journal | Journal of Zhejiang University SCIENCE B |
| Volume Number | 17 |
| Issue Number | 6 |
| e-ISSN | 18621783 |
| Language | Chinese |
| Publisher | Zhejiang University Press |
| Publisher Date | 2016-06-10 |
| Publisher Place | Hangzhou |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Molecularly imprinted polymer (MIP) Molecularly imprinted solid-phase extraction (MISPE) Clenbuterol Cyclodextrin Biomedicine |
| Content Type | Text |
| Resource Type | Article |
| Subject | Veterinary Medicine Biochemistry, Genetics and Molecular Biology Pharmacology, Toxicology and Pharmaceutics |
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