成分比の異なったコラーゲンのヘリックス‐コイル転移

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書誌事項

タイトル別名
  • Helix-Coil Transition of Rat Skin Collagen with Different Fractions of Subunit Composition
  • セイブンヒ ノ コトナッタ コラーゲン ノ ヘリックスー コイル テンイ

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説明

The heats of helix-coil transition (ΔHd) of rat skin collagen with different fractions of subunit compositions (α and β) obtained by the different extraction methods were measured using a modified differential scanning calorimeter. ΔHd of the collagen having α/β value of 0.45 (acid-soluble collagen, C-C) is 2 to 2.5 times as large as that having the value of 3.6 (salt-soluble collagen, S-C). In solutions of pH range from 3 to 5, ΔHd (12 J/g) of S-C increases slightly with increasing pH, but ΔHd of C-C is nearly constant, about 30 J/g, independent of pH. The difference in ΔHd between S-C and C-C may be due to different helical contents of the collagens.

収録刊行物

  • 高分子論文集

    高分子論文集 34 (12), 829-832, 1977

    公益社団法人 高分子学会

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