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
โฆ LIBER โฆ
Counterion-specific swelling behaviour of crosslinked poly(l-glutamic acid) membranes in aqueous alcohols
โ Scribed by Yang-Il Huh; Nariyoshi Kotake; Mitsuru Satoh; Jiro Komiyama
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 836 KB
- Volume
- 81
- Category
- Article
- ISSN
- 0376-7388
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## Abstract Charged polypeptides containing sulfonate groups were prepared by transesterification of poly(ฮณโmethyl Lโglutamate) with isethionic acid. The coilโhelix transition of the sulfonated polypeptides was investigated in aqueous alcohols. Marked counterโion specificity was observed for helix
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