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Two new microbial inhibition assays for the screening of antibacterial substances in milk have been validated in accordance with the ISO/IDF 183 international standard. The detection limits for the 10 antimicrobial substances (penicillin, ampicillin, amoxicillin, cephapirin, ceftiofur, cloxacillin, sulphadiazine, oxytetracycline, neomycin and erythromycin) tested by the Delvotest ® SP-NT (sulphur-penicillin...
Biacore Q biosensor and liquid chromatography–tandem mass spectrometry (LC–MS/MS) based methods for the screening and confirmation of trace levels of chloramphenicol (CAP) and the mammalian metabolite chloramphenicol glucuronide (CAP-Glu) is reported. Both methods employ solvent extraction and clean-up by solid phase extraction (SPE) prior to analysis. The biosensor screening method utilises surface...
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