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Reference type: Journal
Authors: Yang CY, Xiong Y, He C, Zhang ZJ
Article Title: Molecularly Imprinted On-line Solid-phase Extraction Combined with Flow Injection Chemiluminescence for Determination of Chlortetracycline.
Publication date: 2007
Journal: Chinese Journal of Applied Chemistry
Volume: 24
Issue: (3)
Page numbers: 273-277.
Alternative URL: http://en.cnki.com.cn/Article_en/CJFDTotal-YYHX200703007.htm

Abstract: Chlortetracycline hydrochloride can enhane the chemiluminescence of Ce(IV) and Rh6G in acidic medium. So novel molecularly imprinted polymer solid-phase extraction (MISPE) method combined with flow-injection chemiluminescence for determining chlortetracycline hydrochloride was developed. The MIP was synthesized by using tetracycline as the imprinting molecule which has a structure similar to that of chlortetracycline. A polytetrafluoroe-thylene(PTFE) tube packed with the particles of MIP was employed as an MISPE micro-column and was connected to the sampling loop of the eight-way injection valve for the preconcentration and extraction of chlortetracycline hydrochloride. The eluent was used as the carrier for extracting the adsorbed chlortetracycline hydrochloride to react with a mixture of cerium(IV) and rhodamine6G in the flow cell to produce strong CL. Intensity of CL is linearly changed with the concentration of chlortetracycline hydrochloride from 210-8 g/mL to 110-6 g/mL and the limit detection is 410-9 g/mL(3σ). This method has been successfully applied to the determination of chlortetracycline hydrochloride in liver of chicken sample.
Template and target information: chlortetracycline hydrochloride
Author keywords: molecularly imprinted polymer, solid phase extraction, chemiluminescence, flow-injection, Chlortetracycline


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