Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Competitive calcium ion binding to end-tethered weak polyelectrolytes

Journal Article · · Soft Matter
DOI:https://doi.org/10.1039/c7sm02434g· OSTI ID:1470621
 [1];  [1];  [1]
  1. Department of Biomedical Engineering; Department of Chemistry, and Chemistry of Life Processes Institute; Northwestern University; Evanston; USA

We have developed a molecular model to describe the structural changes and potential collapse of weak polyelectrolyte layers end-tethered to planar surfaces and spherical nanoparticles as a function of pH and divalent ion concentration.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Center for Bio-Inspired Energy Science (CBES)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
DOE Contract Number:
SC0000989
OSTI ID:
1470621
Journal Information:
Soft Matter, Journal Name: Soft Matter Journal Issue: 12 Vol. 14; ISSN SMOABF; ISSN 1744-683X
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English

References (70)

How and Why Nanoparticle’s Curvature Regulates the Apparent p K a of the Coating Ligands journal February 2011
Precipitation of polyelectrolytes by salts journal January 1962
Attractive double-layer interactions between calcium clay particles journal November 1988
Coil-Collapse and Coil-Aggregation due to the Interaction of Cu 2+ and Ca 2+ Ions with Anionic Polyacylate Chains in Dilute Solution journal March 2010
A Molecular Dynamics Study of Two Apposing Polyelectrolyte Brushes with Mono- and Multivalent Counterions journal October 2009
How to optimize binding of coated nanoparticles: coupling of physical interactions, molecular organization and chemical state journal January 2013
Weak polyelectrolytes tethered to surfaces: Effect of geometry, acid–base equilibrium and electrical permittivity journal January 2006
On the stability of nanoparticles coated with polyelectrolytes in high salinity solutions journal October 2014
Simulations of counterions at charged plates journal May 2002
Analysis of Complexation Equilibria of Polyacrylic Acid by a Donnan-Based Concept journal March 1997
The binding of free calcium ions in aqueous solution using chelating agents, phosphates and poly(acrylic acid) journal March 1983
Isothermal Titration Calorimetry of the Polyelectrolyte/Water Interaction and Binding of Ca 2+ :  Effects Determining the Quality of Polymeric Scale Inhibitors journal May 2004
Bridging contributions to polyelectrolyte brush collapse in multivalent salt solutions journal November 2015
Proton and Calcium-Gated Ionic Mesochannels: Phosphate-Bearing Polymer Brushes Hosted in Mesoporous Thin Films As Biomimetic Interfacial Architectures journal February 2012
On the Theory of Grafted Weak Polyacids journal May 1994
Classifieds journal December 2012
Interaction of Poly(methacrylic acid) Brushes with Metal Ions:  Swelling Properties journal May 2005
Collapse of sodium polyacrylate chains in calcium salt solutions journal May 2001
Potentiometric and conductometric analysis of the binding of Barium ions with alkali polyacrylate journal December 1998
Counterion-Condensation-Induced Collapse of Highly Charged Polyelectrolytes journal November 1998
Behavior of Surface-Anchored Poly(acrylic acid) Brushes with Grafting Density Gradients on Solid Substrates  2. Theory journal November 2007
Stabilization of Iron Oxide Nanoparticles in High Sodium and Calcium Brine at High Temperatures with Adsorbed Sulfonated Copolymers journal February 2013
Ligand−Receptor Interactions between Surfaces: The Role of Binary Polymer Spacers journal September 2008
Shearing and compression behavior of end-grafted polyelectrolyte brushes with mono- and trivalent counterions: a molecular dynamics simulation journal August 2010
Long range interactions in nanoscale science journal June 2010
Spherical polyelectrolyte brushes: Comparison between annealed and quenched brushes journal October 2001
Hydrolysis of esters of oxy acids: p K a values for strong acids; Brønsted relationship for attack of water at methyl; free energies of hydrolysis of esters of oxy acids; and a linear relationship between free energy of hydrolysis and p K a holding over a range of 20 p K units journal September 1978
Counterion Condensation on Flexible Polyelectrolytes:  Dependence on Ionic Strength and Chain Concentration journal August 1999
The effect of multivalent counterions to the structure of highly dense polystyrene sulfonate brushes journal August 2016
Contraction and Coagulation of Spherical Polyelectrolyte Brushes in the Presence of Ag + , Mg 2+ , and Ca 2+ Cations journal September 2016
Spherical polyelectrolyte brushes journal October 2007
Heterogeneous Morphology and Dynamics of Polyelectrolyte Brush Condensates in Trivalent Counterion Solution journal February 2017
Annealed Star-Branched Polyelectrolytes in Solution journal November 2002
Electrostatistics of counter-ions at and between planar charged walls: From Poisson-Boltzmann to the strong-coupling theory journal August 2001
Behavior of Surface-Anchored Poly(acrylic acid) Brushes with Grafting Density Gradients on Solid Substrates: 1. Experiment journal November 2007
Stability behavior of anionic spherical polyelectrolyte brushes in the presence of La(III) counterions journal July 2010
Synthesis and surface engineering of iron oxide nanoparticles for biomedical applications journal June 2005
Polyelectrolyte Theory book January 2004
Attractive Forces between Charged Colloidal Particles Induced by Multivalent Ions Revealed by Confronting Aggregation and Direct Force Measurements journal February 2013
Responsive Polymers End-Tethered in Solid-State Nanochannels: When Nanoconfinement Really Matters journal September 2010
Self-Assembled Monolayers and Polymer Brushes in Biotechnology:  Current Applications and Future Perspectives journal September 2005
Reversible Adhesion with Polyelectrolyte Brushes Tailored via the Uptake and Release of Trivalent Lanthanum Ions journal April 2015
Comparing Solvophobic and Multivalent Induced Collapse in Polyelectrolyte Brushes journal January 2017
Stability of Superparamagnetic Iron Oxide Nanoparticles at Different pH Values: Experimental and Theoretical Analysis journal April 2012
Lateral Structure Formation in Polyelectrolyte Brushes Induced by Multivalent Ions journal January 2017
Charged Polymeric Brushes: Structure and Scaling Relations journal June 1994
Structural and thermodynamic properties of end‐grafted polymers on curved surfaces journal June 1995
Ionic Effects in Collapse of Polyelectrolyte Brushes journal July 2008
Calcium Binding and Ionic Conduction in Single Conical Nanopores with Polyacid Chains: Model and Experiments journal September 2012
Modeling of Ionization and Conformations of Starlike Weak Polyelectrolytes journal June 2014
Ion condensation in salt‐free dilute polyelectrolyte solutions journal August 1995
Polymers grafted to a convex surface journal May 1991
Spherical polyelectrolyte brushes in the presence of multivalent counterions: The effect of fluctuations and correlations as determined by molecular dynamics simulations journal March 2008
Iron Oxide Nanoparticles Grafted with Sulfonated Copolymers are Stable in Concentrated Brine at Elevated Temperatures and Weakly Adsorb on Silica journal January 2013
Analytical Self-Consistent-Field Model of Weak Polyacid Brushes journal May 1995
Emerging applications of stimuli-responsive polymer materials journal January 2010
Polymers end-grafted onto a cylindrical surface journal May 1991
Collapse of Spherical Polyelectrolyte Brushes in the Presence of Multivalent Counterions journal October 2006
Streptavidin−Biotin Binding in the Presence of a Polymer Spacer. A Theoretical Description journal October 2009
Self-organization of multivalent counterions in polyelectrolyte brushes journal August 2008
Theory of counter-ion condensation on flexible polyelectrolytes: Adsorption mechanism journal May 2004
Precipitation of highly charged polyelectrolyte solutions in the presence of multivalent salts journal October 1995
Brushes of strong polyelectrolytes in mixed mono- and tri-valent ionic media at fixed total ionic strengths journal January 2013
Effect of counterions on the swelling of spherical polyelectrolyte brushes journal February 2005
Polyacrylic Acid Brushes:  Surface Pressure and Salt-Induced Swelling journal October 2000
Structure of Polyelectrolyte Stars and Convex Polyelectrolyte Brushes journal November 1994
Dissociation Behavior of Weak Polyelectrolyte Brushes on a Planar Surface journal April 2009
Interaction of calcium ions and polyelectrolytes journal January 1996
Weak Polyacid Brushes:  Preparation by LB Deposition and Optically Detected Titrations journal October 1999
Correlation and image charge effects in electric double layers journal November 1984