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Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Talanta 2020 ; 214 (ä): 120865 Nephropedia Template TP
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EuNPs-mAb fluorescent probe based immunochromatographic strip for rapid and sensitive detection of porcine epidemic diarrhea virus #MMPMID32278431
Xu F; Jin Z; Zou S; Chen C; Song Q; Deng S; Xiao W; Zhang X; Jia A; Tang Y
Talanta 2020[Jul]; 214 (ä): 120865 PMID32278431show ga
Porcine epidemic diarrhea (PED), induced by porcine epidemic diarrhea virus (PEDV) causes acute diarrhea, vomiting, dehydration and high mortality in neonatal piglets, resulting in significant economic losses in the pig industries. In this study, an immunochromatographic assay (ICA) based on a EuNPs-mAb fluorescent probe was developed and optimized for rapid detection of PEDV. The limit of detection (LOD) of the ICA was 0.218 mug/mL (2.725 x 10(3) TCID(50)/mL) and its linear detection range was 0.03125-8 mug/mL (3.91 x 10(2)-10(5) TCID(50)/mL). The ICA was also validated for the detection of PEDV in swine stool samples. 60 swine stool samples from southern China were analyzed by the ICA and RT-PCR, and the results showed that the coincidence rate of the ICA to RT-PCR was 86.67%, which was significantly higher than that of AuNPs based ICA. The ICA is sensitive and specific and can achieve on-site rapid detection of swine stool samples. Therefore, the ICA has a great potential for PED diagnosis and prevention.