Table 4.

Model fitting results for of 5 mg/mL PBI-A in 20 v/v % MeOH.^a

model	pH	length (nm)	Kuhn length (nm)	cylinder radius (nm)	sphere radius (nm)	power law	reduced χ2
flexible cylinder with a polydispersity of radius 0.2 + power law	2	680a	5.9 ± 0.08	3.2 ± 0.01	–	2.7 ± 0.00	3.4
sphere + power law	6	–	–	–	1.0 ± 0.00	2.6 ± 0.01	1.0
sphere	10	–	–	–	1.0 ± 0.00	–	<1

^aNo fitting error available. Length increased to an unrealistically large number with further fitting. Length set to 680 nm and a power law added to capture the intensity at low Q. Table 4 was reproduced from [61] (© 2020 D. McDowall et al., published by Wiley-VCH GmbH, distributed under the terms of the Creative Commons Attribution 4.0 International License, https://creativecommons.org/licenses/by/4.0).