Effect of NaCl on the exothermic and endothermic components of the inverse temperature transition of a model elastin-like polymer
Effect of NaCl on the exothermic and endothermic components of the inverse temperature transition of a model elastin-like polymer
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DOI：
10.1021/bm060936l
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发表时间：
2007-02-01
影响因子：
6.2
通讯作者：
Rodriguez-Cabello, J. Carlos
中科院分区：
文献类型：
--
作者：
Reguera, Javier;Urry, Dan W.;Rodriguez-Cabello, J. Carlos
TMDSC 数据已用于观察 NaCl 对类弹性蛋白聚合物模型 (GVGVP) 逆温度转变的影响 (251)。氯化钠导致 T-t 降低和 Delta H 增加。 焓的增加既出现在与聚合物折叠相关的焓中，也出现在与疏水性水合的结构水破坏相关的贡献中。有人认为，氯化钠的存在可能会导致非极性聚合物链周围更好地形成水结构。
TMDSC data have been employed to observe the effect of NaCl on the inverse temperature transition of the model elastin-like polymer (GVGVP)(251). NaCl causes a decrease in T-t and an increase in Delta H. The increase in enthalpy appears both in the enthalpy related with the folding of the polymer and in the contribution associated with disruption of the structured water of hydrophobic hydration. It has been suggested that the presence of NaCl may cause a better formation of water structures surrounding the apolar polymer chains.