Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
ISSN-L : 0916-7250
Serodiagnostic Comparison between Two Methods, ELISA and Surface Plasmon Resonance for the Detection of Antibodies of Classical Swine Fever
Ho-Seong CHONam-Yong PARK
ジャーナル フリー

2006 年 68 巻 12 号 p. 1327-1329


A protein chip based on surface plasmon resonance (SPR) was develpoped to measure the antibody (Ab) titers of classical swine fever virus (CSFV) using the recombinant gp55 protein as an antigen. The diagnostic potential of this SPR assay for detecting the Ab titers to CSFV gp55 was compared that of the enzyme-linked immunosorbent assay (ELISA) using 170 serum samples from 14 pig farms. The SPR assay was highly specific and sensitive, and there were no cross-reactions detected. There was a strong positive correlation between the SPR and ELISA titers (n=170, r=0.869, p<0.01). Therefore, the SPR label-free method is a valuable tool in the serodiagnosis of CSFV infection and determining Ab titers after vaccination.


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