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| Content Provider | Springer Nature Link |
|---|---|
| Author | Ashirmetov, A. H. Azimov, J. T. Turaeva, N. N. Oksengendler, B. L. Rashidova, S. Sh. |
| Copyright Year | 2013 |
| Abstract | The article describes theoretical aspects of isolation and separation of DNA fragments by size using a polymeric sorbent. On this basis we presented a theoretical model of thermal desorption of DNA fragments of different length. Assuming that, under certain pH, interaction of DNA with the polymer sorbent is of an ion-dipole character and moving dipoles interact with the sorbent according to the Boltzmann distribution with the total charge of the DNA fragment in its pore, the expression for the interaction energy as a function of temperature is obtained. Equating the thermal energy to the interaction energy of the ion-dipole character, we have found the critical temperature of DNA separation from the sorbent. Account of the conformation of single-stranded DNA in the coil form leads to the dependence of DNA separation temperature, i.e., desorption, on the length of the DNA chain. The temperature for desorption increases symbatically to the contour length of DNA. |
| Starting Page | 310 |
| Ending Page | 314 |
| Page Count | 5 |
| File Format | |
| ISSN | 00063509 |
| Journal | Biophysics |
| Volume Number | 58 |
| Issue Number | 3 |
| e-ISSN | 15556654 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-08-14 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | DNA polymer sorbents ion-dipole interaction thermal desorption Biophysics and Biological Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biophysics |
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