A model for the helix–coil transition of DNA | Zendy

Porta Jordi | Zendy

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A model for the helix–coil transition of DNA

Author(s) -

Porta Jordi

Publication year - 1977

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.560110105

Subject(s) - helix (gastropod) , function (biology) , phase transition , electromagnetic coil , superconductivity , physics , fermi gamma ray space telescope , dna , thermodynamics , condensed matter physics , phase (matter) , chemistry , statistical physics , quantum mechanics , biology , ecology , biochemistry , evolutionary biology , snail

The helix–coil phase transition of DNA is studied through a model equivalent to the one used in the theory of superconductivity. A distribution function for the excitations analogous to the usual Fermi function is obtained which depends on the parameter T 0 , the maximum temperature at which all pairs of bases are bonded. The expression for the number of unbonded pairs of bases depends only on the two parameters, T 0 and T c (critical temperature).

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