Next Article in Journal
Influence of Different Framework Designs on the Fracture Properties of Ceria-Stabilized Tetragonal Zirconia/Alumina-Based All-Ceramic Crowns
Next Article in Special Issue
Molecular Dynamics Study of Self-Assembly of Aqueous Solutions of Poly[9,9-bis(4-Sulfonylbutoxyphenylphenyl) Fluorene-2,7-diyl-2,2’-Bithiophene] (PBS-PF2T) in the Presence of Pentaethylene Glycol Monododecyl Ether (C12E5)
Previous Article in Journal
Biopolymer Green Lubricant for Sustainable Manufacturing
Previous Article in Special Issue
Structural Interpretation of the Large Slowdown of Water Dynamics at Stacked Phospholipid Membranes for Decreasing Hydration Level: All-Atom Molecular Dynamics
Article Menu
Issue 5 (May) cover image

Export Article

Open AccessArticle
Materials 2016, 9(5), 340; doi:10.3390/ma9050340

Specific Ion Effects in Cholesterol Monolayers

1
Departamento de Física Aplicada, Universidad de Granada, Campus de Fuentenueva sn, Granada 18071, Spain
2
Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, Bellaterra 08193, Spain
*
Authors to whom correspondence should be addressed.
Academic Editor: Erik Reimhult
Received: 29 February 2016 / Revised: 11 April 2016 / Accepted: 29 April 2016 / Published: 5 May 2016
(This article belongs to the Special Issue Surface Forces and Thin Liquid Films)
View Full-Text   |   Download PDF [4205 KB, uploaded 5 May 2016]   |  

Abstract

The interaction of ions with interfaces and, in particular, the high specificity of these interactions to the particular ions considered, are central questions in the field of surface forces. Here we study the effect of different salts (NaI, NaCl, CaCl2 and MgCl2) on monolayers made of cholesterol molecules, both experimentally (surface area vs. lateral pressure isotherms measured by a Langmuir Film Balance) and theoretically (molecular dynamics (MD) all-atomic simulations). We found that surface isotherms depend, both quantitatively and qualitatively, on the nature of the ions by altering the shape and features of the isotherm. In line with the experiments, MD simulations show clear evidences of specific ionic effects and also provide molecular level details on ion specific interactions with cholesterol. More importantly, MD simulations show that the interaction of a particular ion with the surface depends strongly on its counterion, a feature ignored so far in most theories of specific ionic effects in surface forces. View Full-Text
Keywords: ionic specificity; cholesterol; Langmuir monolayers; molecular dynamics simulations; surface forces ionic specificity; cholesterol; Langmuir monolayers; molecular dynamics simulations; surface forces
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Del Castillo-Santaella, T.; Maldonado-Valderrama, J.; Faraudo, J.; Martín-Molina, A. Specific Ion Effects in Cholesterol Monolayers. Materials 2016, 9, 340.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Materials EISSN 1996-1944 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top