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Counterion-specific helix formation of poly(l-glutamic acid) in a crosslinked membrane

✍ Scribed by Yang-II Huh; Tadahisa Inamura; Mitsuru Satoh; Jiro Komiyama

Book ID
107846528
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
386 KB
Volume
33
Category
Article
ISSN
0032-3861

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πŸ“œ SIMILAR VOLUMES

Specific helix stabilization of poly(L-g
Specific helix stabilization of poly(L-glutamic acid) in mixed counterion systems
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The coil-helix transitions of poly (L-glutamic acid) in aqueous alcohol solutions have been investigated for mixed counterion systems. It has been found that coexistence of two kinds of counterion species, i.e., two alkali metal counterions, alkali and alkaline earth metal, and two alkaline earth me

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## Abstract Ion‐selective transport of alkali metal chlorides (LiCl, NaCl, KCl and CsCl) is reported for a crosslinked poly(L‐glutamic acid) membrane immersed in aqueous alcohols CH~3~OH, C~2~H~5~OH and 2‐propanol ((CH~3~)~2~CHOH). In aqueous CH~3~OH and C~2~H~5~OH, an appreciable ionselectivity wa

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The folding of randomly coiled poly(bg1utamic acid) to the helical state has been studied in N-methylacetamide by titration methods. Since this solvent would be expected to form amide-peptide group hydrogen bonds with the unfolded form of the polymer, to a first approximation no helix stabilization