| 96-well microplate coated with FN at 10μg/ml in PBS |
| ↓ |
| Blocking with 2% BSA in PBS |
| ↓ |
| Incubation with monoclonal antibodies |
| ↓ |
| Incubation with trypsinized normal rat kidney(NRK)cells suspended in serum free D’MEM(10,000 cells per well) |
| ↓ |
| Washing with PBS |
| ↓ |
| Staining residual cells with 0.25% Rose Bengal dye in PBS |
| ↓ |
| Washing with PBS |
| ↓ |
| Treatment with 50% ethanol in PBS |
| ↓ |
| Estimation of the number of attached cells by A570 |
