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Can official control laboratories quantify reliably fipronil in eggs? Evidence from a proficiency testing round.
Cordeiro F, Bratinova S, Karasek L, Buttinger G, Stroka J, Emteborg H, Seghers J, Robouch P, Emons H. Cordeiro F, et al. Among authors: karasek l. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2019 Jun;36(6):904-910. doi: 10.1080/19440049.2019.1602885. Epub 2019 Apr 22. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2019. PMID: 31009319
Collaborative trial validation study of two methods, one based on high performance liquid chromatography-tandem mass spectrometry and on gas chromatography-mass spectrometry for the determination of acrylamide in bakery and potato products.
Wenzl T, Karasek L, Rosen J, Hellenaes KE, Crews C, Castle L, Anklam E. Wenzl T, et al. Among authors: karasek l. J Chromatogr A. 2006 Nov 3;1132(1-2):211-8. doi: 10.1016/j.chroma.2006.07.007. Epub 2006 Aug 8. J Chromatogr A. 2006. PMID: 16899249