Enzyme-linked immunosorbent assay based on light absorption of enzymatically generated aniline oligomer: Flow injection analysis for 3-phenoxybenzoic acid with anti-3-phenoxybenzoic acid monoclonal antibody

Talanta ◽  
2020 ◽  
Vol 218 ◽  
pp. 121102
Author(s):  
Ryoichi Ishimatsu ◽  
Shinichi Shimizu ◽  
Surat Hongsibsong ◽  
Koji Nakano ◽  
Chacriya Malasuk ◽  
...  
2004 ◽  
Vol 70 (3) ◽  
pp. 1393-1396 ◽  
Author(s):  
Luciana Croci ◽  
Elisabetta Delibato ◽  
Giulia Volpe ◽  
Dario De Medici ◽  
Giuseppe Palleschi

ABSTRACT An electrochemical enzyme-linked immunosorbent assay (ELISA) coupled with flow injection analysis (ELISA-FIA) and a PCR-based method using ST11 and ST15 primers for detecting salmonellae in meat were evaluated in comparison with the International Organization for Standardization (ISO) culture method. The methods were applied to experimentally contaminated and naturally contaminated meat samples. The results showed that both ELISA-FIA and PCR allowed detection of salmonella in a product contaminated with a low number of the microorganisms (1 to 10 salmonellae/25 g) after only 5 h of incubation of preenrichment broth, and they were just as effective as the ISO method.


2006 ◽  
Vol 13 (3) ◽  
pp. 420-422 ◽  
Author(s):  
S. E. Burastero ◽  
C. Paolucci ◽  
D. Breda ◽  
G. Monasterolo ◽  
R. E. Rossi ◽  
...  

ABSTRACT The Bühlmann CAST 2000 enzyme-linked immunosorbent assay is a potentially useful assay for measuring sulfidoleukotrienes released in vitro by allergen-challenged basophils. However, we observed that the positive-control reagent yielded positive signals in cell-free systems. These false-positive results depended on using a mouse anti-FcεRI monoclonal antibody and were prevented by degranulation-inducing reagents other than mouse monoclonal antibodies.


2010 ◽  
Vol 120 (4) ◽  
pp. 1178-1184 ◽  
Author(s):  
Yuanyuan Xia ◽  
Qing X. Li ◽  
Shuangjun Gong ◽  
Yong Li ◽  
Yongsong Cao ◽  
...  

1987 ◽  
Vol 82 (1) ◽  
pp. 81-85 ◽  
Author(s):  
Mauro Schechter

Theoretically, serological assays with affinity purified marker antigens can allow strain-specific diagnosis even when parasites cannot be retrieved from and infected host. A Trypanosoma cruzi antigen was purified by affinity chromatography using a zymodeme (Z) 2 specific monoclonal antibody (2E2C11). An indirect enzyme-linked immunosorbent assay (ELISA) based on the purified antigen could discriminate between sera from rabbits immunized with T. cruzi zymodeme clones but could not discriminate between sera from mice infected with different zymodemes.


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