| Issue |
Europhys. Lett.
Volume 33, Number 5, February II 1996
|
|
|---|---|---|
| Page(s) | 353 - 358 | |
| Section | Atomic, molecular and optical physics | |
| DOI | https://doi.org/10.1209/epl/i1996-00346-7 | |
| Published online | 01 September 2002 | |
Deformation of toroidal DNA condensates under surface stress
Department of Polymer Technology, Faculty of Chemical Engineering and
Materials Science, Delft University of Technology, P.O. box 5045, 2600 GA Delft,
The Netherlands
Received:
31
July
1995
Accepted:
21
December
1995
A qualitative rule is formulated for the shape deformation of DNA condensates, in which the surface stresses are balanced against bending forces. A quantitative analysis is presented for toroidal globules. Low surface tensions lead to ideal tori, high tensions give rise to compact toroids with thin inner tubes. A qualitative discussion is given of Laemmli's experiments on globules of monomolecular DNA.
PACS: 36.20.-r – Macromolecules and polymer molecules / 61.30.-v – Liquid crystals / 64.70.-p – Phase equilibria, phase transitions, and critical points of specific substances
© EDP Sciences, 1996
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