DETACHMENT OF A SINGLE POLYELECTROLYTE CHAIN ADSORBED ON A CHARGED SURFACE

Authors
CHATELLIER X SENDEN TJ JOANNY JF DIMEGLIO JM
Citation
X. Chatellier et al., DETACHMENT OF A SINGLE POLYELECTROLYTE CHAIN ADSORBED ON A CHARGED SURFACE, Europhysics letters, 41(3), 1998, pp. 303-308
Citations number
18
Categorie Soggetti
Physics
Journal title
Europhysics letters → ACNP
ISSN journal
02955075
Volume
41
Issue
3
Year of publication
1998
Pages
303 - 308
Database
ISI
SICI code
0295-5075(1998)41:3<303:DOASPC>2.0.ZU;2-4
Abstract
We study both experimentally, with an atomic force microscope (AFM), a nd theoretically, using scaling arguments, the stretching of a, single polyelectrolyte chain adsorbed at a planar charged surface. The main result is that the force needed to pull a monomer of the chain at a di stance z from the surface reaches a plateau at distances larger than t he Debye screening length of the solution.