Corporate Financialization and the Long-Term Use of Short-Term Debt: Evidence from China
In: FRL-D-23-02431
6 Ergebnisse
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In: FRL-D-23-02431
SSRN
In: NBER Working Paper No. w31925
SSRN
In: FRL-D-23-03963
SSRN
In: Journal of Monetary Economics, Band 113, S. 112-134
In: Environmental science and pollution research: ESPR, Band 30, Heft 16, S. 46632-46646
ISSN: 1614-7499
In: International food research journal: IFRJ, Band 30, Heft 4, S. 978-991
ISSN: 2231-7546
Rapid and accurate detection of pathogenic microorganism is critical for food safety. Salmonella is one of the common causes of food poisoning. In the present work, polyclonal antibody against the recombinant PagN protein was prepared, and coupled with carboxylated magnetic beads to form immunomagnetic beads (IMBs) for capturing Salmonella, which was then combined with qPCR technology which used the specific primers of invA gene to accurately quantify the number of colonies, thus establishing the IMBs-qPCR method for detection of Salmonella. 0.2 mg IMBs could specifically concentrate Salmonella, with the stable capturing efficiency of 80%, corresponding to the concentrations of 102 - 105 CFU/mL. The minimum detection limit concentration was 101 CFU/mL. The method was applied for detection and enumeration of Salmonella in pork and milk samples, and the capture efficiency of 77.38 and 80.92% were obtained. In summary, the IMBs-qPCR method established herein could effectively detect Salmonella with good specificity and sensitivity. The whole detection time was less than 9 h, which laid a foundation for development of a rapid detection kit for foodborne pathogens.