Table 1.

Peptides and Proteins Included into the Study

	Molar mass [kDa]	Literature values hydrodynamic radius [nm]
Oxytocin	1.007	~0.8 nm (30)a
BSA	66.8	3.3–4.3 nm (23)
		3.7 nm (31)
Monoclonal antibodies: model IgG1, adalimumab, rituximab	~150	5–6 nm (24–27)
Etanercept	~150	7.1 nm (22)

^aradius estimated by Stokes-Einstein from diffusion coefficient of D = 4.34*10⁻⁶ cm² s⁻¹ as described in (30)