Fluorescence correlation spectroscopy shows that monomeric polyglutamine molecules form collapsed structures in aqueous solutions.

Crick S.L., Jayaraman M., Frieden C., Wetzel R., & Pappu R.V. (2006). “Fluorescence correlation spectroscopy shows that monomeric polyglutamine molecules form collapsed structures in aqueous solutions.” Proc Natl Acad Sci U S A. 2006 Nov 7;103(45):16764-9. Epub 2006 Oct 30. (Abstract)