Advanced

New Perspective on the Cliff Edge Peak in the Surface Tension of Oppositely Charged Polyelectrolyte/Surfactant Mixtures

Campbell, Richard A.; Angus-Smyth, Anna; Yanez, Marianna LU ; Tonigold, Katrin LU ; Nylander, Tommy LU and Varga, Imre (2010) In The Journal of Physical Chemistry Letters 1(20). p.3021-3026
Abstract
We present how dramatically the nonequilibrium nature of an oppsitely charged polyelectrolyte/surfactant mixture can affect the interfacial properties. We show for the first time that the cliff edge peak in the surface tension of the poly(diallydimethylammonium chloride)/sodium dodecyl surfate system is produced as a direct result of depletion of surface-active material from the bulk solution due to a show precipitation process in the phase separation region. Simple illustrations are given of how to control the production of the peak, to eliminate the feature for equivalent aged solutions through the use of different sample handling methods, and even to change its characteristics at short surface ages. The potential to tune nonequilibrium,... (More)
We present how dramatically the nonequilibrium nature of an oppsitely charged polyelectrolyte/surfactant mixture can affect the interfacial properties. We show for the first time that the cliff edge peak in the surface tension of the poly(diallydimethylammonium chloride)/sodium dodecyl surfate system is produced as a direct result of depletion of surface-active material from the bulk solution due to a show precipitation process in the phase separation region. Simple illustrations are given of how to control the production of the peak, to eliminate the feature for equivalent aged solutions through the use of different sample handling methods, and even to change its characteristics at short surface ages. The potential to tune nonequilibrium, steady-state interfacial properties for such strongly associating system is clearly demonstrated. We propose that our findings in general may be applicable to a broad range of mixture containing surfactants and oppositely charged macromolecules such as polymers proteins and DNA. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
The Journal of Physical Chemistry Letters
volume
1
issue
20
pages
3021 - 3026
publisher
The American Chemical Society
external identifiers
  • wos:000283463500006
  • scopus:77958511352
ISSN
1948-7185
DOI
10.1021/jz101179f
language
English
LU publication?
yes
id
68c9246b-db32-4c7e-b9b2-53dad269c886 (old id 1720445)
date added to LUP
2010-12-09 13:25:34
date last changed
2018-07-08 03:39:58
@article{68c9246b-db32-4c7e-b9b2-53dad269c886,
  abstract     = {We present how dramatically the nonequilibrium nature of an oppsitely charged polyelectrolyte/surfactant mixture can affect the interfacial properties. We show for the first time that the cliff edge peak in the surface tension of the poly(diallydimethylammonium chloride)/sodium dodecyl surfate system is produced as a direct result of depletion of surface-active material from the bulk solution due to a show precipitation process in the phase separation region. Simple illustrations are given of how to control the production of the peak, to eliminate the feature for equivalent aged solutions through the use of different sample handling methods, and even to change its characteristics at short surface ages. The potential to tune nonequilibrium, steady-state interfacial properties for such strongly associating system is clearly demonstrated. We propose that our findings in general may be applicable to a broad range of mixture containing surfactants and oppositely charged macromolecules such as polymers proteins and DNA.},
  author       = {Campbell, Richard A. and Angus-Smyth, Anna and Yanez, Marianna and Tonigold, Katrin and Nylander, Tommy and Varga, Imre},
  issn         = {1948-7185},
  language     = {eng},
  number       = {20},
  pages        = {3021--3026},
  publisher    = {The American Chemical Society},
  series       = {The Journal of Physical Chemistry Letters},
  title        = {New Perspective on the Cliff Edge Peak in the Surface Tension of Oppositely Charged Polyelectrolyte/Surfactant Mixtures},
  url          = {http://dx.doi.org/10.1021/jz101179f},
  volume       = {1},
  year         = {2010},
}