title: [Rapid detection of 6-benzylaminopurine residues in sprout beans by surface-enhanced raman spectroscopy].
abstract: 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.
authors: The College of Life Science and Bio-engineering, Beijing University of Technology, Beijing 100124, China. zplife@bjut.edu.cn
authors: Ping
authors: P
authors: Zhang
authors: Da-wei
authors: DW
authors: Zheng
authors: Jing
authors: J
authors: Liu
authors: Ru-gang
authors: RG
authors: Zhong
authors: Chun-wei
authors: CW
authors: Liu
authors: Xun
authors: X
authors: Guo
authors: Hong
authors: H
authors: Wang
mesh_terms: D001593:Benzyl Compounds; D007887:Fabaceae / Q000737:chemistry*; D007701:Kinetin / Q000032:analysis*; D057230:Limit of Detection; D011687:Purines; D015203:Reproducibility of Results; D013059:Spectrum Analysis, Raman
chemical_list: D001593:Benzyl Compounds; D011687:Purines; C480551:benzylaminopurine; D007701:Kinetin