The Proceedings of the Thermal Engineering Conference
Online ISSN : 2424-290X
2016
Session ID : I212
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Measurements of ice surface temperatures and circular dichroism for solutions of two kinds of polypeptides
Taisei ISOTakuya MIYAMOTOYoshimichi HAGIWARA
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

We conducted measurements on unidirectional freezing and circular dichroism for preheated solution and unheated solution of a polypeptide based on winter flounder antifreeze protein. The interface temperature were measured with a thermocouple. The secondary structure of this polypeptide was measured with circular dichroism spectrophotometer. It was found from the circular dichroism spectra that the polypeptide had a β-sheet structure. Although the interface temperature for the unheated solution of the polypeptide did not drop, the interface temperature for the preheated solution showed significant dropped.

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© 2016 The Japan Society of Mechanical Engineers
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