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作者:

Zhang Ping (Zhang Ping.) | Zheng Da-wei (Zheng Da-wei.) | Liu Jing (Liu Jing.) | Zhong Ru-gang (Zhong Ru-gang.) (学者:钟儒刚) | Liu Chun-wei (Liu Chun-wei.) | Guo Xun (Guo Xun.) | Wang Hong (Wang Hong.)

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PKU PubMed CSCD

摘要:

New method for rapid and quantitative analysis of 6-benzylaminopurine (6-BA) residues in sprout beans was studied by using FAST-SPE and portable surface-enhanced Raman spectroscopy (SERS). With homemade sprout bean samples as blank control, 6-BA solutions extracted from inserted-treatment samples showed typical characteristic Raman peaks at 1002 cm(-1) tested by SERS, and normalized 1002 cm(-1) intensities had a good linear relationship with gradient concentrations of 6-BA insert-standard solutions. The high concentration linear range was 0.5-14 microg x mL(-1), and the low one was 0. 1-2 microg x mL(-1). The quantitative detection limit was down to 0.02 mg x kg(-1) that was below the maximum allowable residues (MAL) of 0. 2 mg kg(-1) in related National Standard. The recoveries were 82.3%-95.1% and the RSD was below 5%. This method with portable equipment and simple pre-treatment showed good reproducibility, short test time-consuming and easy operating, and thus it would provide efficient and sensitive solutions for large-scale on-site and rapid detections.

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作者机构:

  • [ 1 ] [Zhang Ping]The College of Life Science and Bio-engineering, Beijing University of Technology, Beijing 100124, China. zplife@bjut.edu.cn

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来源 :

Guang pu

ISSN: 1000-0593

年份: 2012

期: 5

卷: 32

页码: 1266-9

0 . 7 0 0

JCR@2022

ESI高被引阀值:233

JCR分区:4

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