Electrostatics at the nanoscale

DA Walker, B Kowalczyk, MO de La Cruz… - Nanoscale, 2011 - pubs.rsc.org
Electrostatic forces are amongst the most versatile interactions to mediate the assembly of
nanostructured materials. Depending on experimental conditions, these forces can be long …

Multivalent ions and biomolecules: Attempting a comprehensive perspective

O Matsarskaia, F Roosen‐Runge… - ChemPhysChem, 2020 - Wiley Online Library
Ions are ubiquitous in nature. They play a key role for many biological processes on the
molecular scale, from molecular interactions, to mechanical properties, to folding, to self …

Monovalent ion adsorption at the muscovite (001)–solution interface: Relationships among ion coverage and speciation, interfacial water structure, and substrate …

SS Lee, P Fenter, KL Nagy, NC Sturchio - Langmuir, 2012 - ACS Publications
The interfacial structure between the muscovite (001) surface and aqueous solutions
containing monovalent cations (3× 10–3 m Li+, Na+, H3O+, K+, Rb+, or Cs+, or 3× 10–2 m …

Interplay of pH and binding of multivalent metal ions: charge inversion and reentrant condensation in protein solutions

F Roosen-Runge, BS Heck, F Zhang… - The Journal of …, 2013 - ACS Publications
Tuning of protein surface charge is a fundamental mechanism in biological systems. Protein
charge is regulated in a physiological context by pH and interaction with counterions. We …

Hydrated cation speciation at the muscovite (001)− water interface

SS Lee, P Fenter, C Park, NC Sturchio, KL Nagy - Langmuir, 2010 - ACS Publications
Charged materials in aqueous systems interact according to their interfacial properties,
typically described by the electrical double layer (EDL). Distributions of divalent metal …

Silica sol as grouting material: a physio-chemical analysis

C Sögaard, J Funehag, Z Abbas - Nano convergence, 2018 - Springer
At present there is a pressing need to find an environmentally friendly grouting material for
the construction of tunnels. Silica nanoparticles hold great potential of replacing the organic …

Wettability of amphoteric surfaces: the effect of pH and ionic strength on surface ionization and wetting

E Virga, E Spruijt, WM de Vos, PM Biesheuvel - Langmuir, 2018 - ACS Publications
We present a novel theory to predict the contact angle of water on amphoteric surfaces, as a
function of pH and ionic strength. To validate our theory, experiments were performed on two …

Divalent cation-dependent formation of electrostatic PIP2 clusters in lipid monolayers

WG Ellenbroek, YH Wang, DA Christian, DE Discher… - Biophysical journal, 2011 - cell.com
Polyphosphoinositides are among the most highly charged molecules in the cell membrane,
and the most common polyphosphoinositide, phosphatidylinositol-4, 5-bisphosphate (PIP 2) …

Effects of the ionic size-asymmetry around a charged nanoparticle: unequal charge neutralization and electrostatic screening

GI Guerrero-García, E González-Tovar, MO de la Cruz - Soft Matter, 2010 - pubs.rsc.org
We study the consistent inclusion of ionic size-asymmetry for a wide range of macroparticle
charges in the primitive model of an electrical double layer around a spherical colloid using …

Changes in adsorption free energy and speciation during competitive adsorption between monovalent cations at the muscovite (0 0 1)-water interface

SS Lee, P Fenter, KL Nagy, NC Sturchio - Geochimica et Cosmochimica …, 2013 - Elsevier
The relationships between the adsorption free energy and speciation of monovalent cations
(Li+, Na+, K+, Rb+, and Cs+) at the muscovite (0 0 1)-solution interface were investigated …