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Thermodynamics of the DNA helix‐coil transition
Author(s) -
Porta Jordi
Publication year - 1978
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.560130405
Subject(s) - helix (gastropod) , electromagnetic coil , thermodynamics , phase transition , chemistry , dna , molecule , physics , chemical physics , quantum mechanics , biology , ecology , biochemistry , snail
The thermodynamics of the DNA helix‐coil transition is studied, starting from the thermodynamical potential difference between the states helix and coil; this potential difference is understood as the difference in free energies. With only three parameters obtained from experimental data different quantities of the T 2 phage DNA molecule are calculated. It is observed that the phase transition is of second order.
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