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| Titel: | |
| Auteur: | |
| Verschenen in: |
Analytical letters |
| Paginering: | Jaargang 21 (1988) nr. 6 pagina's 1019-1031 |
| Jaar: |
1988-06-01 |
| Inhoud: |
A novel enzyme immunoassay (immune complex transfer enzyme immunoassay) for anti-insulin IgG in guinea pig serum is described. Anti-insulin IgG in guinea pig serum was reacted with dinitrophenyl bovine serum albumin-insulin-horseradish peroxidase conjugate, and the complex formed between guinea pig anti-insulin IgG and the conjugate was trapped onto affinity-purified rabbit (anti-dinitrophenyl bovine serum albumin) IgG-coated polystyrene balls in the presence of bovine serum albumin. After eliminating nonspecific guinea pig IgG in test serum, the complex was eluted from the polystyrene balls with dinitrophenyl-L-lysine and transfered to clean polystyrene balls coated with affinity-purified rabbit (anti-guinea pig IgG)IgG. Peroxidase activity bound to the (anti-guinea pig IgG) IgG-coated polystyrene balls was measured by fluorimetry. The detection limit of anti-insulin IgG in guinea pig serum was lowered 1,000 to 10,000-fold as compared with that by the conventional enzyme immunoassays. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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