1 Current optical biosensors in clinical practice
1.1 Biosensors
1.2 Enzyme-linked immunosorbent assay (ELISA)
1.3 Sandwich ELISA
1.3.1 Capture antibody immobilization
1.3.2 Washing procedure
1.3.3 Blocking step
1.3.4 Virus attachment
1.3.5 Primary antibody attachment
1.3.6 Secondary labeled antibody attachment and recording the signals
1.3.7 Evaluation of ELISA
1.4 Advantages and disadvantages...