Volume 72, Number 6, December 2005
|Page(s)||922 - 928|
|Section||Atomic and molecular physics|
|Published online||11 November 2005|
Optimal confinement for internal polymer binding
Department of Physics, Institute of Fundamental Physics, Sejong University Seoul 143-743, South Korea
2 Institut Charles Sadron (CNRS-ULP) - 67083 Strasbourg Cedex, France
3 Department of Chemical Engineering, Drexel University Philadelphia, PA 19104 USA
4 Laboratoire Européen Associé ICS (Strasbourg, France)/MPIP (Mainz, Germany)
Accepted: 10 October 2005
Internal binding between specific groups dilute along a polymer chain plays a paramount role in many technological and biological systems. Against common intuition, we show that the interplay between excluded-volume correlations and hydrodynamic interactions can produce an optimal confinement where the binding is fastest. Similarly, there is an optimal osmotic pressure for the binding rate of a chain immersed in a solution of (non-binding) spectator chains. When internal binding leads to higher-order vertices as in self-assembly, confinement can set the same kinetic rate for the formation of several low-order vertices.
PACS: 36.20.-r – Macromolecules and polymer molecules / 34.50.Lf – Chemical reactions, energy disposal, and angular distribution, as studied by atomic and molecular beams
© EDP Sciences, 2005
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