A magnetic particles-based chemiluminescence enzyme immunoassay for rapid detection of ovalbumin.
Egg allergy is an important public health and safety concern, so quantification and administration of food or vaccines containing ovalbumin (OVA) are urgently needed. This study aimed to establish a rapid and sensitive magnetic particles-chemiluminescence enzyme immunoassay (MPs-CLEIA) for the determination of OVA. The proposed method was developed on the basis of a double antibodies sandwich immunoreaction and luminol-H2O2 chemiluminescence system. The MPs served as both the solid phase and separator, the anti-OVA MPs-coated polyclonal antibodies (pAbs) were used as capturing antibody, and the horseradish peroxidase (HRP)-labeled monoclonal antibody (mAb) was taken as detecting antibody. The parameters of the method were evaluated and optimized. The established MPs-CLEIA method had a linear range from 0.31 to 100ng/ml with a detection limit of 0.24ng/ml. The assays showed low reactivities and less than 5% of intraassay and interassay coefficients of variation (CVs), and the average recoveries were between 92 and 97%. Furthermore, the developed method was applied in real samples analysis successfully, and the correlation coefficient with the commercially available OVA kit was 0.9976. Moreover, it was more rapid and sensitive compared with the other methods for testing OVA.
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China.
Xiao-Li
XL
Feng
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China.
Hong-Lin
HL
Ren
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China.
Yan-Song
YS
Li
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China.
Pan
P
Hu
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China.
Yu
Y
Zhou
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China.
Zeng-Shan
ZS
Liu
Wuhu Kang Wei Biological Technology, Wuhu 241000, People's Republic of China.
Dong-Ming
DM
Yan
Changchun Institute of Biological Products, Changchun 130062, People's Republic of China.
Qi
Q
Hui
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China.
Dong
D
Liu
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China.
Chao
C
Lin
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China.
Nan-Nan
NN
Liu
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China.
Yan-Yan
YY
Liu
Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun 130062, People's Republic of China. Electronic address: lushiying1129@163.com.
Shi-Ying
SY
Lu
D000818:Animals; D000911:Antibodies, Monoclonal / Q000276:immunology; D006735:Horseradish Peroxidase / Q000378:metabolism; D007124:Immunoenzyme Techniques / Q000379:methods*; D007252:Influenza Vaccines; D008163:Luminescent Measurements / Q000379:methods*; D059346:Magnets / Q000737:chemistry*; D008297:Male; D010047:Ovalbumin / Q000032:analysis* / Q000276:immunology; D011817:Rabbits; D013997:Time Factors
D000911:Antibodies, Monoclonal; D007252:Influenza Vaccines; D010047:Ovalbumin; D006735:Horseradish Peroxidase
Chemiluminescence enzyme immunoassay (CLEIA); Magnetic particles (MPs); Ovalbumin