Infrared study of gelatin conformations in the gel and sol states
Infrared study of gelatin conformations in the gel and sol states
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DOI：
10.1016/0966-7822(96)00003-2
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发表时间：
1996-01-01
期刊：
影响因子：
--
通讯作者：
Donald, AM
中科院分区：
文献类型：
--
作者：
Prystupa, DA;Donald, AM
在凝胶熔化过程中的明胶的构象监测傅立叶变换红外光谱，并建立这种方法研究凝胶化的可行性。酰胺I组分峰随后发生变化，这些变化与构象变化有关。分配到三螺旋段的组件的温度依赖性是在良好的协议与凝胶熔化的理论模型。在凝胶熔化温度以上仍然观察到有序存在，并且通过该温度逐渐发生构象变化，其中显著比例的β-转角持续处于溶胶状态。版权所有（C）1996 Elsevier Science Ltd
The conformation of gelatin during the gel melting process is monitored by Fourier Transform infrared spectroscopy, and the viability of this methodology for studying gelation is established. Changes are followed in the amide I component peaks, and these ave related to conformational changes. The temperature dependence of the component assigned to triple helical segments is in good agreement with a theoretical model of gel melting. Order is still observed to be present above the gel melting temperature and the conformational change occurs gradually through this temperature, with a significant proportion of beta-turns persisting in the sol state. Copyright (C) 1996 Elsevier Science Ltd