Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 62: Issue 1
Analysis of DSC Data Relating to Proteins Undergoing Irreversible Thermal Denaturation
Authors:
A. Lyubarev Russian Academy of Sciences Bakh Institute of Biochemistry Leninskii pr. 33 Moscow 117071 Russia

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B. Kurganov Russian Academy of Sciences Bakh Institute of Biochemistry Leninskii pr. 33 Moscow 117071 Russia

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Pages:
51–62
Online Publication Date:
02 Nov 2004
Publication Date:
01 Oct 2000
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010102525964
Keywords:
DSC; kinetic models; protein denaturation
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Abstract  

New approaches to the analysis of differential scanning calorimetry (DSC) data relating to proteins undergoing irreversible thermal denaturation have been demonstrated. The experimental approaches include obtaining a set of DSC curves at various scanning rates and protein concentrations, and also reheating experiments. The mathematical methods of analysis include construction of a linear anamorphosis and simultaneous fitting of a theoretical expression for the dependence of the excess heat capacity on temperature to a set of experimental DSC curves. Different kinetic models are discussed: the one-step irreversible model, the model including two consecutive irreversible steps, the Lumry and Eyring model with a fast equilibrating first step, and the whole kinetic Lumry and Eyring model.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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