A novel fluorescence polarization assay for determination of penicillin G in milk
2016
Pennacchio, Anna | Varriale, Antonio | Scala, Andrea | Marzullo, Vincenzo Manuel | Staiano, Maria | D’Auria, Sabato
Detection of penicillin G in milk is of interest because of the wide use of this antibiotic in livestock. Current analytical methods used to quantify the penicillin G in milk are based on HPLC, mass spectrometry and electrophoresis. These methodologies are time-consuming and require trained personnel. In addition, it is not easy to envisage the development of a portable device for in situ analyses based on these methods. We present a novel sensing approach for detecting the presence of penicillin G in milk. The proposed method is based penicillin G conjugate labeled with red-emitting dye with properly produced anti-penicillin G antibodies. The results obtained suggest our method could be applied directly in milk without interference from other substances. The limit of detection of the method was 1.0nmol/L, which is much less than the required MRL in EU regulations (12.0nmol/L).
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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