Table 2 Reproducibility of total IgG extraction from human serum pool of volunteers vaccinated with GBS6.

From: Calibration of a serum reference standard for Group B streptococcal polysaccharide conjugate vaccine development using surface plasmon resonance

Extraction number

Total IgG concentration (µg/mL)

Recovered volume µL

Total IgG isolated µg

1

9600

1000

9600

2

9800

1000

9800

3

9600

1000

9600

4

9100

1055

9600