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Interaction strength between proteins and polyelectrolyte brushes : a small angle X-ray scattering study
We present an investigation of b-lactoglobulin adsorption onto spherical polyelectrolyte brushes (SPBs) by small angle X-ray scattering (SAXS). The SPB consists of a polystyrene core onto which long chains of poly(styrene sulfonate) are grafted. The amount and the distribution of proteins adsorbed in the brush layer at low ionic strength can be derived from SAXS. The analysis of the SAXS data reveals additionally that some of the protein molecules form aggregates of about six monomers in thedoi:10.15495/epub_ubt_00004785 fatcat:3bqey7ht4jfzxmreizs5ttvqpu