How does sequence length heterogeneity affect the dilute solution conformation of copolymers?

How does sequence length heterogeneity affect the dilute solution conformation of copolymers?

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer - Volume 52, Issue 5, 1 March 2011, Pages 1268-1277

Imad A. Haidar Ahmad, Deborah A. Striegel, André M. Striegel,