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- Immunofiltration as sample cleanup for the immunochemical detection of β-agonists in urine. Willem Haasnoot, Anniek Kemmers-Voncken, Danny Samson
, Analyst
, 2002
, 127
, 87
- Determination of amoxicillin and cephalexin in mixtures by second-derivative spectrophotometry. José A. Murillo, Juana Rodríguez, José M. Lemus, Aurelia Alañón
, Analyst
, 1990
, 115
, 1117
- A comprehensive and high-throughput screening method for multiple prohibited substances by UPLC-QE Plus-HRMS and HPLC-QQQ-MS in human urine for doping control. Yunxi Liu, Tianyu Dong, Kuan Yan, Zhanliang Wang, Genye He, Yufeng Zhang, Congcong Ma, Lu Liu, Wei Chang, Lisi Zhang
, Anal. Methods
, 2023
, 15
, 3206
- Development of a tube enzyme immunoassay for ‘on-site’ screening of urine samples in the presence of β-agonists. Willem Haasnoot, Lucia Streppel, Geert Cazemier, Martin Salden, Piet Stouten, Martien Essers, Piet van Wichen
, Analyst
, 1996
, 121
, 1111
- Methods for the determination of β-agonists in biological matrices. A review. Damien Boyd, Michael O'Keeffe, Malcolm R. Smyth
, Analyst
, 1996
, 121
, 1R
- A fast immunoassay for the screening of β-agonists in hair†. Willem Haasnoot, Piet Stouten, Robert Schilt, Dick Hooijerink
, Analyst
, 1998
, 123
, 2707
- “Zero-crossing” derivative spectrophotometric determination of mixtures of cephapirin sodium and cefuroxime sodium in pure form and in injections. Basilio Morelli
, Analyst
, 1988
, 113
, 1077