Table 2.

Results of Dynamic light Scattering, expressed as the mean (n=3) ± SD of the monomer radius (nm), % pd of the monomer population, % intensity and % mass of monomer and PDI for each Ab formulation before and after stress

	mAb 1				mAb 2				mAb 3
	Before stress	Shaking	Device 1	Device 2	Before stress	Shaking	Device 1	Device 2	Before stress	Shaking	Device 1	Device 2
radius (nm)	7.5 ± 0.3	7.0 ± 0.3	6.7 ± 0.6	6.9 ± 0.4	5.5 ± 0.6	5.0 ± 0.1	5.0 ± 0.1	4.9 ± 0.0	9.3 ± 0.7	8.7 ± 0.4	9.2 ± 1.3	8.8 ± 0.5
% pd	9 ± 0.0	16 ± 0.1	30 ± 0.1	16 ± 0.1	9 ± 0.0	6 ± 0.0	7 ± 0.0	9 ± 0.1	15 ± 0.0	18 ± 0.1	11 ± 0.0	11 ± 0.0
% monomer (intensity)	100.0 ± 0.0	99.7 ± 0.0	95.8 ± 0.0	96.0 ± 0.0	100.0 ± 0.0	100.0 ± 0.0	99.8 ± 0.0	98.5 ± 0.0	100.0 ± 0.0	100.0 ± 0.0	100.0 ± 0.0	99.8 ± 0.0
% monomer (mass)	100.0 ± 0.0	99.9 ± 0.0	99.9 ± 0.0	99.9 ± 0.0	100.0 ± 0.0	100.0 ± 0.0	100.0 ± 0.0	100.0 ± 0.0	100.0 ± 0.0	100.0 ± 0.0	100.0 ± 0.0	100.0 ± 0.0
PDI	0.113 ± 0.016	0.102 ± 0.004	0.214 ± 0.024	0.219 ± 0.350	0.071 ± 0.010	0.070 ± 0.004	0.114 ± 0.010	0.157 ± 0.029	0.119 ± 0.004	0.134 ± 0.031	0.132 ± 0.012	0.162 ± 0.016