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Structures of the cylindrical and vesicular micelles of an P4VP-longer asymmetric PS-b-P4VP

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    The raw spectra were corrected by conventional procedures for the background of the solvent and sample cell and detector efficiency. Two-dimensional scattering spectra were azimuthally averaged. The measured intensityI(q) can be expressed as the product of form (F(q)) and structure (S(q)) factors, althoughS(q) is negligible for the dilute solution. The SAXS data were analyzed with GIFT software, which was developed by Glatter.26–32 The Fourier transformation ofI(q) yields the pair distance distribution function (p(r)) of a particle, which is a histogram of distances inside the particle weighted with the electron density differences. The shape ofp(r) allows for the determination of basic geometry (spherical, cylindrical, or vesicular), even for inhomogeneous particles.D max is the maximum intraparticle distance andd max =π/q min whereq min is the peak position in the scattering pattern.D max was determined as the value of r at whichp(r)=0.

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Ali, N., Sul, W., Lee, D. et al. Structures of the cylindrical and vesicular micelles of an P4VP-longer asymmetric PS-b-P4VP. Macromol. Res. 17, 553–556 (2009). https://doi.org/10.1007/BF03218907

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