Integrated Nanostructured Systems

Catalysis, Surface phenomena, Colloids and emulsions, Biocompatible surfaces and materials

Professor Eli Ruckenstein has been a pioneer in numerous areas of nanosciences. In catalysis, he was the first to bring scientific principles and quantitative reasoning to bear on the aging and rejuvenation of supported metal catalysts; he developed a quantum chemical theory of poisoning and promotion of metal catalysts and proposed a pumping mechanism for the catalytic oxidation by mixed oxides. He developed methods to prepare hydrophobic and hydrophilic nano-reservoirs containing active but dangerous catalysts and used them to prepare interesting compounds; he controlled the selectivity of some reactions via hydrophilic recognition by polymer-supported catalysts. He initiated the modern thermodynamics of microemulsions and developed the first predictive theory of micellization and solubilization. He explained the restabilization of colloids at high ionic strengths. He provided explanations for the enhancement of enzymatic reactions in inverted micelles and developed theories for hydration forces, hydrophobic attraction, and the thermodynamic stability of dispersions (lamellar liquid crystals, phospholipid monolayers, phospholipid bilayers, and microemulsions). He developed a theory for the sticking probability of aerosols, theories regarding specific ion effects on surface tension and double layers, and a kinetic theory of nucleation free of macroscopic concepts. Ruckenstein has developed new technologies in catalysis and in the preparation of complex materials that possess enhanced properties, such as pastes with high thermal conductivity, membranes for separation processes, and tough polymeric materials.

H. Huang, M. Manciu and E. Ruckenstein, On the Restabilization of Protein-Covered Latex Colloids at High Ionic Strengths, Langmuir, 21, 94 (2005).

F. Hua and E. Ruckenstein, Hyperbranched sulfonated polydiphenyl amine as a novel self-doped conducting polymer and its pH response, Macromolecules, 38, 888 (2005).

E. Ruckenstein, I. L. Shulgin, J. L. Tilson, Treatment of Dilute Clusters of Methanol and Water by Ab Initio Quantum Mechanical Calculations, J. Phys. Chem., 109, 807 (2005).

Eli Ruckenstein and I. Shulgin, Solubility of Drugs in Aqueous Solutions. Part 5: Thermodynamic Consistency Test for the Solubility Data, International. J. Pharmaceutics, 292, 87 (2005).

F. Hua and E. Ruckenstein, Preparation of Densely-Grafted Poly (aniline-2-sulfonic acid-co-aniline) as Novel Water-Soluble Conducting Copolymers, J. Polym. Sci: Part A: Polymer Chemistry, 43, 1090 (2005).

F. Hua, X. Yang, B. Gong, and E. Ruckenstein, Preparation of Oligoamide-Ended Poly(ethylene glycol) and Hydrogen-Bonding-Assisted Formation of Aggregates and Nanoscale Fibers, J. Polym. Sci: Part A: Polymer Chemistry, 43, 1119 (2005).

E. Ruckenstein and Z. F. Li, Surface Modification and Functionalization through the Self-Assembled Monolayer and Graft Polymerization, Advances in Coll. & Interface Sci., 113, 43 (2005).

E. Ruckenstein and I. Shulgin, Solubility of Hydrophobic Organic Pollutants in Binary and Multicomponent Aqueous Solvents, Environ. Sci. Technol., 39, 1623 (2005).

G. O. Berim and E. Ruckenstein, Microscopic Treatment of a Barrel Drop on Fibers and Nanofibers, J. Colloid & Interface Sci., 286, 681 (2005).

Y. H. Hu, N. Y. Yu and E. Ruckenstein, Hydrogen Storage in Li3N: Deactivation Caused by a High Dehydrogenation Temperature, Ind. Eng. Chem. Res., 44, 4304 (2005).

H. Huang and E. Ruckenstein, Thermodynamically Stable Dispersions Induced by Depletion Interactions, J. Coll. Interface Sci., 290, 336 (2005).

G. O. Berim and E. Ruckenstein, Cylindrical Droplet on Nanofibers: A Step toward the Clam-Shell Drop Description, J. Phys. Chem. B, 109, 12515 (2005).

F. Hua, M. T. Swihart and E. Ruckenstein, Efficient Surface Grafting of Luminescent Silicon Quantum Dots by Photoinitiated Hydrosilylation, Langmuir, 21, 6054 (2005).

G. O. Berim and E. Ruckenstein, Microscopic interpretation of the dependence of the contact angle on roughness, Langmuir, 21, 7743 (2005).

Y. H. Hu and E. Ruckenstein, Endohedral Chemistry of C60-Based Fullerene Cages, J. American Chemical Society, 127, 11277 (2005).

M. Manciu and E. Ruckenstein, Polarization of Water near Dipolar Surfaces: a Simple Model for Anomalous Dielectric Behavior, Langmuir, 21, 11749 (2005).

E. Ruckenstein and Y. S. Djikaev, Recent Developments in the Kinetic Theory of Nucleation, Advances Coll. Interface Sci., 118, 51 (2005).

I. L. Shulgin and E. Ruckenstein, A Protein Molecule in an Aqueous Mixed Solvent: Fluctuation theory outlook, J. Chem. Phys., 123, 054904-1 (2005).

M. Manciu and E. Ruckenstein, On the interactions of ions with the air/water interface, Langmuir, 21, 11312 (2005).

I. L. Shulgin and E. Ruckenstein, Relationship Between Preferential Interaction of a Protein in an Aqueous Mixed Solvent and Its Solubility, Biophysical Chemistry, 118, 128 (2005).

Y. H. Hu and E. Ruckenstein, Density functional theory calculations for endohedral complexes of non-π C60H60 cage with small guest molecules, J. Chem. Phys., 123, 144303 (2005).

Y. S. Djikaev and E. Ruckenstein, Kinetic theory of nucleation based on a free energy passage time analysis: Improvement by the density functional theory, J. Chem. Phys., 123, 214503 (2005).

I. L. Shulgin and E. Ruckenstein, A Protein Molecule in a Mixed Solvent: The Preferential Binding Parameter Via The Kirkwood-Buff Theory, Biophysical Journal, 90, 704 (2006).

Y. H. Hu and E. Ruckenstein, Bond order bond polarizability model (BOBP) for fullerene cages and nanotubes, J. Chem. Phys., 123, 214708 (2005).

Y. H. Hu and E. Ruckenstein, Hydrogen Storage o f Li2NH Prepared by Reacting Li with NH3, Ind. Eng. Chem. Res., 45 (1), 182 (2006).

G. O. Berim and E. Ruckenstein, Nanodroplets on a planar solid surface: Temperature, pressure and size dependence of their density and contact angles, Langmuir, 22, 1063 (2006).

H. Huang and E. Ruckenstein, Steric and Bridging Interactions between Two Plates Induced by Grafted Polyelectrolytes, Langmuir, 22, 3174 (2006).

I. L. Shulgin and E. Ruckenstein, Preferential Hydration and Solubility of Proteins in Aqueous Solutions of Polyethylene Glycol, Biophysical Chemistry, 120, 188 (2006).

Y. H. Hu and E. Ruckenstein, Clathrate Hydrogen Hydrate -- A Promising Material for Hydrogen Storage, Angew. Chem. Int. Ed., 45, 2011 (2006).

Y. S. Djikaev and E. Ruckenstein, Kinetic theory of binary nucleation based on a first passage time analysis, J. Chem. Phys., 124, 124521 (2006); Virtual Journal of Nanoscale Science & Technology (April 2006).

J. Feng and E. Ruckenstein, Self-recognition and aggregation between diblock (charged/neutral) polyelectrolyte by Monte Carlo simulations, J. Chem. Phys., 124, 124913 (2006).

F. Hua, F. Erogbogbo, M. T. Swihart and E. Ruckenstein, Organically capped silicon nanoparticles with blue photoluminescence prepared by hydrosilylation followed by oxidation, Langmuir, 22, 4363-4370 (2006).

H. Huang and E. Ruckenstein, Effect of Steric, Double Layer and Depletion Interactions on the Stability of Colloids in Systems Containing a Polymer and an Electrolyte, Langmuir, 22, 4541-4546 (2006).

E. Ruckenstein and I. L. Shulgin, Effect of Salts and Organic Additives on the Solubility of Proteins in Aqueous Solutions, Advances in Coll. Interface Sci., 123-126, 97-103 (2006).

J. Feng and E. Ruckenstein, Monte Carlo simulations of interactions between nano particles, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 281, 254 (2006).

Y. S. Djikaev and E. Ruckenstein, A kinetic approach to the theory of heterogeneous nucleation on soluble particles during deliquescence stage, J. Chem. Phys., 124, 194709 (2006).

I. L. Shulgin and E. Ruckenstein, The Kirkwood-Buff Theory of Solutions and the Local Composition of Liquid Mixtures, J. Phys. Chem. B3, 110, 12707 (2006).

J. Feng and E. Ruckenstein, Morphologies of AB diblock copolymer melts in nano cylindrical tubes, Macromolecules, 39, 4899 (2006).

Y. H. Hu and E. Ruckenstein, Applicability of Dubinin-Astakhov Equation to CO2 Adsorption on Single-Walled Carbon Nanotubes, Chem. Phys. Lett., 425, 306 (2006).

Y. H. Hu and E. Ruckenstein, Ultra-fast Reaction Between Li3N and LiNH2 to Prepare the Effective Hydrogen Storage Material Li2NH, Ind. Eng. Chem. Res., 45, 4993 (2006).

M. Manciu, O. Calvo and E. Ruckenstein, Polarization Model for Poorly-Organized Interfacial Water: Hydration Forces between Silica Surfaces, Advances in Coll. Interface Sci., 127, 29 (2006).

I. L. Shulgin and E. Ruckenstein, Simple Computer Experiments with Ordinary Ice, J. Phys. Chem., 110, 21381 (2006).

J. Feng and E. Ruckenstein, Morphology transitions of AB diblock copolymer melts confined in nano cylindrical tubes, J. Chem. Phys., 125, 164911 (2006).

G. O. Berim and E. Ruckenstein, Fluid in a closed narrow slit, J. Chem. Phys., 125, 164717 (2006).

Y. S. Djikaev and E. Ruckenstein, A New Approach to the Kinetics of Heterogeneous Unary Nucleation on Liquid Aerosols of a Binary Solution, J. Chem. Phys., 125, 244707 (2006).

Y. H. Hu and E. Ruckenstein, Nano-structured Li2O from LiOH by electron-irradiation, Chem. Phys. Lett., 430, 80 (2006).

M. Manciu and E. Ruckenstein, Ions at the air/water interface, J. Coll. Interface Sci., 304, 541-544 (2006).

Y. S. Djikaev and E. Ruckenstein, Model for the Nucleation Mechanism of Protein Folding, J. Phys. Chem. B, 111, 886 (2007).

M. Manciu and E. Ruckenstein, On possible microscopic origins of the swelling of neutral lipid bilayers induced by simple salts, J. Coll. & Interface Sci., 309, 56 (2007).

J. Feng and E. Ruckenstein, Self-assembling of ABC Linear Triblock Copolymers in Nanocylindrical Tubes, J. Chem. Phys., 126, 124902 (2007).

G. O. Berim and E. Ruckenstein, Symmetry breaking of the fluid density profiles in closed nanoslits, J. Chem. Phys., 126, 124503 (2007).

Gersh O. Berim and E. Ruckenstein, Fluid Density Profile Transitions and Symmetry Breaking in a Closed Nanoslit, J. Phys. Chem., 111, 2514 (2007).

I. L. Shulgin and E. Ruckenstein, Local Composition in the Vicinity of a Protein Molecule in an Aqueous Mixed Solvent, J. Phys. Chem. B, 111, 3990 (2007).

Y. S. Djikaev and E. Ruckenstein, A ternary nucleation model for the nucleation pathway of protein folding, J. Chem. Phys., 126, 175103 (2007).

Y.H. Hu and E. Ruckenstein, Tunable delocalization of unpaired electrons of nitroxide radicals for sickle-cell disease drug improvements, J. Phys. Chem. B., (2007), In Press.

I.L. Shulgin and E. Ruckenstein, Solubility and local structure around a dilute solute molecule in an aqueous solvent: From gases to biomolecules, Fluid Phase Equilibria, (2007), In Press.

E. Ruckenstein, Ivan L. Shulgin and Leonid I. Shulgin, Cooperativity in ordinary ice and breaking of hydrogen bonds, J. Phys. Chem. B., (2007), In Press.