Table 1. Parameters of the enzyme immunoassay system using different diluents.
| Shelf life | (t exp– tst), | Time of experimental storage, days | 
| 2 years | 10 | 292 | 
| 15 | 182 | |
| 20 | 116 | |
| 25 | 74 | |
| 30 | 47 | |
| 35 | 30 | 
Note.
t exp–the temperature of the experiment, tst–storage temperature