Arid
DOI10.1016/j.talanta.2006.01.037
Highly collinear three-way photoinduced spectrofluorimetric data arrays modelled with bilinear least-squares: Determination of tetracyclines in surface water samples
Santiago Valverde, Rosario; Gil Garcia, M. Dolores; Martinez Galera, M.; Goicoechea, Hector C.
通讯作者Martinez Galera, M.
会议名称1st Workshop of the European-Union
会议日期OCT 20-21, 2005
会议地点Dubrovnik, CROATIA
英文摘要

A new sensitive method for the determination of three tetracyclines in surface water samples (tetracycline, chlortetracycline and oxytetracycline) using highly collinear data corresponding to photochemical-induced fluorescence excitation emission matrices, modelled with three-way data arrays chemometric tools has been developed. The method involves irradiation of aqueous basic solution of antibiotics with UV light and fluorescence determination of the generated photoproducts after solid phase preconcentration (SPE) with Oasis hydrophilic lipophilic balance (HLB) cartridges. The chernometric models were built by using an eight samples calibration set and samples corresponding to both a validation set and a test set. The latter set containing unsuspected interferents. Considering this latter samples, recoveries of 101.5, 97.9 and 102.2 were- obtained for the three analytes. Evaluation of constant and proportional bias and precision were made by using the elliptical joint confidence region (EJCR) test for the estimated intercept and slope. (c) 2006 Elsevier B.V. All rights reserved.


英文关键词tetracyclines water photochemically induced fluorescence PARAFAC NPLS BLLS/RBL
来源出版物TALANTA
ISSN0039-9140
EISSN1873-3573
出版年2006
卷号70
期号4
页码774-783
出版者ELSEVIER SCIENCE BV
类型Article;Proceedings Paper
语种英语
国家Spain;Argentina
收录类别SCI-E ; CPCI-S
WOS记录号WOS:000241481800014
WOS关键词SOLID-PHASE EXTRACTION ; PERFORMANCE LIQUID-CHROMATOGRAPHY ; TANDEM MASS-SPECTROMETRY ; SULFONAMIDE ANTIBIOTICS ; FLUORESCENCE DETECTION ; 2ND-ORDER CALIBRATION ; RESIDUE ANALYSIS ; VALIDATION ; HPLC ; CHEMILUMINESCENCE
WOS类目Chemistry, Analytical
WOS研究方向Chemistry
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/296291
作者单位(1)Univ Almeria, Dept Hidrogeol & Quim Anal, Fac Ciencias Expt, Almeria 04120, Spain;(2)Univ Nacl Litoral, Lab Control Calidad Medicamentos, Catedra Quim Anal 1, Fac Bioquim & Ciencias Biol, RA-3000 Santa Fe, Argentina
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GB/T 7714
Santiago Valverde, Rosario,Gil Garcia, M. Dolores,Martinez Galera, M.,et al. Highly collinear three-way photoinduced spectrofluorimetric data arrays modelled with bilinear least-squares: Determination of tetracyclines in surface water samples[C]:ELSEVIER SCIENCE BV,2006:774-783.
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