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The solution behavior of poly‐ L ‐proline: II. Fluorescence behavior of labeled polyproline in water and conentrated aqueous neutral salt solytions
Author(s) -
Lerner D. A.,
Schleich Thomas
Publication year - 1973
Publication title -
biopolymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.556
H-Index - 125
eISSN - 1097-0282
pISSN - 0006-3525
DOI - 10.1002/bip.1973.360120506
Subject(s) - polyproline helix , chemistry , aqueous solution , solvent , proline , salt (chemistry) , fluorescence , dissociation (chemistry) , organic chemistry , biochemistry , amino acid , physics , quantum mechanics , peptide
Fluorescence depolarization experiments performed on labaled poly‐ L ‐proline Forme II suggest the occurrence of aggrgation in water while 6 M guanidinium‐HCl induces dissociation. The solvent 4 M CaCl 2 results in a reduction of polymer structural orgganization. These findings corroborate suggestion of polyproline aggregation and solution behavior in aqueous neutral salt solytion (see preceding article).