Fig. 4: Guinier plot of ciexp(q) and the least-square fitting with Guinier approximation for the BSA1 measured by SAXS (open black circles and solid line, respectively).

Closed black and blue squares represent \(ci_{{\mathrm{exp}}}(0)\) and \(c_1i_1\left( 0 \right)\), respectively. The bar graph expresses the contributions of monomer \(c_1i_1\left( 0 \right)\) (blue part) and aggregates \(c_ai_a\left( 0 \right)\) (red part) in \(ci_{{\mathrm{exp}}}\left( 0 \right)\).