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- Publications
- Influence
Invertebrate prey activity varies along the tidal cycle and depends on sediment drainage: Consequences for the foraging behaviour of waders
- Susana Rosa, J. Granadeiro, M. Cruz, J. M. Palmeirim
- Biology
- 21 December 2007
The influence of prey activity on the use of intertidal flats by foraging waders is largely unknown. Due to differences in sediment drainage some flats remain covered by a layer of water during much… Expand
Precipitation of highly charged polyelectrolyte solutions in the presence of multivalent salts
- M. Cruz, L. Belloni, M. Delsanti, J. P. Dalbiez, O. Spalla, M. Drifford
- Chemistry
- 1 October 1995
Solutions of highly charged polyelectrolyte chains are described by a model that introduces ion condensation as a random charge along the polymer. The degree of condensation is obtained by solving… Expand
Molecular theory of weak polyelectrolyte thin films
- G. Longo, M. Cruz, I. Szleifer
- Chemistry
- 11 January 2012
In this work, we extend the recently developed Molecular Theory of Weak Polyelectrolyte Gels to study hydrogel films. This approach explicitly accounts for all of the physicochemical interactions… Expand
Electrostatic-Driven Ridge Formation on Nanoparticles Coated with Charged End-Group Ligands
- P. Guo, R. Sknepnek, M. Cruz
- Chemistry
- 21 March 2011
Using coarse-grained molecular dynamics simulations, we investigate the surface patterns of charged end-group ligands attached to faceted nanoparticles. A competition between electrostatic repulsion… Expand
Molecular Theory of Weak Polyelectrolyte Gels: The Role of pH and Salt Concentration
- G. Longo, M. Cruz, I. Szleifer
- Chemistry
- 11 January 2011
We develop a detailed molecular theory that describes the response of weak polyelectrolyte gels to changes in both the pH and salt concentration, c, of the solution. This approach includes specific… Expand
Ion condensation in salt‐free dilute polyelectrolyte solutions
- P. González-Mozuelos, M. Cruz
- Chemistry
- 22 August 1995
We study ion condensation in salt‐free dilute solutions of polyelectrolyte chains of different fractal geometries, from random walks to rigid rods. In finite size chains with a discrete charge… Expand
Complexation of Oppositely Charged Polyelectrolytes: Effect of Ion Pair Formation
- A. Kudlay, A. V. Ermoshkin, M. Cruz
- Chemistry, Physics
- 20 July 2004
Complexation in symmetric solutions of oppositely charged polyelectrolytes is studied theoretically. We include polyion cross-linking due to formation of thermoreversible ionic pairs. The… Expand
Microphase separation in multiblock copolymer melts
The microphase separation transition for asymmetric triblock and (A–B)m star copolymer melts is investigated following a mean‐field approach proposed by Leibler for diblock copolymer melts.… Expand
Phase Separation of Ternary Mixtures: Symmetric Polymer Blends
- C. Huang, M. Cruz, B. W. Swift
- Chemistry
- 1 November 1995
The dynamics of phase separation of ternary mixtures into two and three phases are analyzed numerically by solving the nonlinear spinodal decomposition equations in two dimensions. We find… Expand
Adsorption of rod-like polyelectrolytes onto weakly charged surfaces
We study the adsorption of strongly charged rod-like polyelectrolytes onto weakly oppositely charged surfaces in salt solutions by equating the chemical potentials between the bulk and adsorbed… Expand