the wagner group















2012

Li, D., Kelkar, M.S., Wagner, N.J. “Phase Behavior and Molecular Thermodynamics of Coacervation in Oppositely Charged Polyelectrolyte/Surfactant Systems: A Cationic Polymer JR 400 and Anionic Surfactant SDS Mixture”, Langmuir, 2012, 28(28), 10348–10362.   [doi]

López, C.B., Li, D., DeRita, L., Madivala, B., Wagner, N.J.*, Spontaneous Thermoreversible Formation of Cationic Vesicles in a Protic Ionic Liquid, JACS, 2012, 134(51), 20728–20732.   [doi]

2011

P. Thareja, I.H. Hoffmann, M.W. Liberatore, M.E. Helgeson, Y.T. Yu, M. Gradzielski, and N.J. Wagner. "Shear-induced phase separation (SIPS) with shear banding in solutions of cationic surfactant and salt", Journal of Rheology 2011 55(6): 1375-1397.   [doi]

M.A. O'Malley, M.E. Helgeson, N.J. Wagner, and A.S. Robinson. "Toward Rational Design of Protein Detergent Complexes: Determinants of Mixed Micelles That Are Critical for the In Vitro Stabilization of a G-Protein Coupled Receptor", Biophysical Journal 2011 101(8): 1938-1948.   [doi]

P. Thareja, C.B. Street, N.J. Wagner, M.S. Vethamuthu, K.D. Hermanson, and K.P. Ananthapadmanabhan. "Development of an in situ rheological method to characterize fatty acid crystallization in complex fluids", Colloids and Surfaces A-Physicochemical and Engineering Aspects 2011 388:(1-3) 12-20.   [doi]

A.P.R. Eberle, N.J. Wagner, and R. Castañeda-Priego. "Dynamical Arrest Transition in Nanoparticle Dispersions with Short-Range Interactions", Physical Review Letters 2011 106(10): 105704.   [doi]

J.M. Kim, R. Castañeda-Priego, Y. Liu, and N.J. Wagner. "On the importance of thermodynamic self-consistency for calculating clusterlike pair correlations in hard-core double Yukawa fluids", Journal of Chemical Physics 2011 134(6): 064904.   [doi]

C.R. Lopez-Barron, and N.J. Wagner. "Solvent isotope effect on the microstructure and rheology of cationic worm-like micelles near the isotropic-nematic transition" Soft Matter 7(22): 10856-10863.   [doi]

2010

M.C. Branco, D.J. Pochan, N.J. Wagner, and J.P. Schneider. "The effect of protein structure on their controlled release from an injectable peptide hydrogel", Biomaterials 2010 31(36): 9527-9534.   [doi]

J.M. McMullan and N.J. Wagner. "Directed self-assembly of colloidal crystals by dielectrophoretic ordering observed with small angle neutron scattering (SANS)", Soft Matter 2010 6(21): 5443-5450.   [doi]

A.S. Lim, S.L. Lopatnikov, N.J. Wagner, and J.W. Gillespie. "An experimental investigation into the kinematics of a concentrated hard-sphere colloidal suspension during Hopkinson bar evaluation at high stresses", Journal of Non-Newtonian Fluid Mechanics 2010 165(19-20): 1342-1350.   [doi]

N.L. McFarlane, N.J. Wagner, E.W. Kaler, and N.L. Lynch. "Poly(ethylene oxide) (PEO) and Poly(vinyl pyrolidone) (PVP) Induce Different Changes in the Colloid Stability of Nanoparticles", Langmuir 2010 26(17): 13823-13830.   [doi]

M.E. Helgeson, L. Porcar, C. Lopez-Barron and N.J. Wagner. "Direct Observation of Flow-Concentration Coupling in a Shear-Banding Fluid", Physical Review Letters 2010 105(8): 084501.   [doi]

A.S. Lim, S.L. Lopatnikov, N.J. Wagner, and J.W. Gillespie. "Investigating the transient response of a shear thickening fluid using the split Hopkinson pressure bar technique", Rheologica Acta 2010 49(8): 879-890.   [doi]

M.E. Helgeson, T.K. Hodgdon, E.W. Kaler, and N.J. Wagner. "A systematic study of equilibrium structure, thermodynamics, and rheology of aqueous CTAB/NaNO3 wormlike micelles", Journal of Colloid and Interface Science 2010 349(1): 1-12.   [doi]

A.W. Opitz, E. Wickstrom, M.L. Thakur, and N.J. Wagner. "Physiologically Based Pharmacokinetics of Molecular Imaging Nanoparticles for mRNA Detection Determined in Tumor-Bearing Mice", Oligonucleotides 2010 20(3): 117-125.   [doi]

M.E. Helgeson, T.K. Hodgdon, E.W. Kaler, and N.J. Wagner. "Formation and Rheology of Viscoelastic "Double Networks" in Wormlike Micelle-Nanoparticle Mixtures", Langmuir 2010 26(11): 8049-8060.   [doi]

N.L. McFarlane, N.J. Wagner, E.W. Kaler, and N.L. Lynch. "Calorimetric Study of the Adsorption of Poly(ethylene oxide) and Poly(vinyl pyrrolidone) onto Cationic Nanoparticles", Langmuir 2010 26(9): 6262-6267.   [doi]

A.P.R. Eberle, N.J. Wagner, B. Akgun, and S.K. Satija. "Temperature-Dependent Nanostructure of an End-Tethered Octadecane Brush in Tetradecane and Nanoparticle Phase Behavior", Langmuir 2010 26(5): 3003-3007.   [doi]

R.D. Dombrowski, J.D. Litster, N.J. Wagner, and Y.H. He. "Modeling the Crystallization of Proteins and Small Organic Molecules in Nanoliter Drops", AIChE Journal 2010 56(1): 79-91.   [doi]

2009

D.P. Kalman, R.L. Merrill, N.J. Wagner, and E.D. Wetzel. "Effect of Particle Hardness on the Penetration Behavior of Fabrics Intercalated with Dry Particles and Concentrated Particle-Fluid Suspensions", ACS Applied Materials & Interfaces 2009 1(11): 2602-2612.   [doi]

M.E. Helgeson, M.D. Reichert, Y.T. Hu, and N.J. Wagner. "Relating shear banding, structure, and phase behavior in wormlike micellar solutions", Soft Matter 2009 5(20): 3858-3869.   [doi]

N.J. Wagner and J.F. Brady. “Shear thickening in colloidal dispersions”, Physics Today 2009 62(10): 27-32.   [doi]

Y.M. Lo, R.c. Ziegler, S. Argin-Soysal, C.H. Hsu, and N.J. Wagner. "Effects of Intermolecular Interactions and Molecular Orientation on the Flux Behavior of Xanthan Gum Solutions during Ultrafiltration", Journal of Food Processing Engineering 2009 32(5): 623-644.   [doi]

P. Coussot and N.J. Wagner "The future of suspension rheophysics: comments on the 2008 workshop", Rheologica Acta 2009 48(8): 827-829.   [doi]

D.P. Kalman and N.J. Wagner. "Microstructure of shear-thickening concentrated suspensions determined by flow-USANS", Rheologica Acta 2009 48(8): 897-908.   [doi]

M.C. Branco, F. Nettesheim, D.J. Pochan, J.P. Schneider, and N.J. Wagner. "Fast Dynamics of Semiflexible Chain Networks of Self-Assembled Peptides", Biomacromolecules 2009 10(6): 1374-1380.   [doi]

J.P. Singh, P.P. Lele, F. Nettesheim, N.J. Wagner, E.M. Furst. "One- and two-dimensional assembly of colloidal ellipsoids in ac electric fields", Physical Review E 2009 79(5): 050401.   [doi]

J.M. McMullan and N.J. Wagner. "Directed self-assembly of suspensions by large amplitude oscillatory shear flow", Journal of Rheology 2009 53(3): 575-588.   [doi]

M.E. Helgeson, P.A. Vasquez, N.J. Wagner, and E.W. Kaler. "Rheology and spatially resolved structure of cetyltrimethylammonium bromide wormlike micelles through the shear banding transition", Journal of Rheology 2009 53(3): 727-756.   [doi]

J. Mewis and N.J. Wagner. "Thixotropy", Advances in Colloid and Interface Science 2009 147-148(Sp. Iss. SI): 214-227.   [doi]

J. Mewis and N.J. Wagner. "Current trends in suspension rheology", Journal of Non-Newtonian Fluid Mechanics 2009 157(3): 147-150.   [doi]

J.R. Bunt, N.J. Wagner, and F.B. Waanders. "Carbon particle type characterization of the carbon behaviour impacting on a commercial-scale Sasol-Lurgi FBDB gasifier", Fuel 2009 88(5): 771-779.   [doi]

M.W. Liberatore, F. Nettesheim, P.A. Vasquez, M.E. Helgeson, N.J. Wagner, E.W. Kaler, L.P. Cook, L. Porcar, and Y.T. Hu. "Microstructure and shear rheology of entangled wormlike micelles in solution", Journal of Rheology 2009 53(2): 441-458.   [doi]

M.C. Branco, D.J. Pochan, N.J. Wagner, and J.P. Schneider. "Macromolecular diffusion and release from self-assembled beta-hairpin peptide hydrogels", Biomaterials 2009 30(7): 1339-1347.   [doi]

2008

N.J. Wagner, T.B. Hlatshwayo, and M. Ginster. "A source apportioned mercury mass balance across a coal-based petrochemical complex", Fuel Processing Technology 2008 89(12): 1351-1357.   [doi]

N.V. Amirkhanov, I. Dimitrov, A.W. Opitz, K. Zhang, J.P. Lackey, C.A. Cardi, S. Lai, N.J. Wagner, M.L. Thakur, and E. Wickstrom. "Design of (Gd-DO3A)(n)-Polydiamidopropanoyl-Peptide Nucleic Acid-D(Cys-Ser-Lys-Cys) Magnetic Resonance Contrast Agents", Biopolymers 2008 89(12): 1061-1076.   [doi]

F. Nettesheim, M.W. Liberatore, T.K. Hodgdon, N.J. Wagner, E.W. Kaler, and M. Vethamuthu. "Influence of nanoparticle addition on the properties of wormlike micellar solutions", Langmuir 2008 24(15): 7718-7726.   [doi]

M.E. Helgeson, K.N. Grammatikos, J.M. Deitzel, and N.J. Wagner. "Theory and kinematic measurements of the mechanics of stable electrospun polymer jets", Polymer 2008 49(12): 2924-2936.   [doi]

N.J. Wagner. "The characterization of weathered discard coals and their behaviour during combustion", Fuel 2008 87(8-9): 1687-1697.   [doi]

N.J. Wagner, R.H. Matjie, J.H. Slaghuis, and J.H.P. van Heerden. "Characterization of unburned carbon present in coarse gasification ash", Fuel 87(6): 683-691.   [doi]

2007

N.J. Wagner. "The Abnormal Condition Analysis used to characterize weathered discard coals", International Journal of Coal Geology 2007 72(3-4): 177-186.   [doi]

N.J. Wagner, W.W. Gerberich, and J.V.R. Heberlein. "Deposition and Modeling of Hard, Wear-Resistant Si-C-N Coatings", Plasma Processes and Polymers 2007 4(Special Issue 1): S946-S951.   [doi]

A. Chakrabarti, K. Zhang, M.R. Aruva, C.A. Cardi, A.W. Opitz, N.J. Wagner, M.L. Thakur, and E. Wiskstrom. "Radiohybridization PET Imaging of KRAS G12D mRNA expression in human pancreas cancer xenografts with [Cu-64]DO3A-Peptide nucleic acid-peptide nanoparticles", Cancer Biology & Therapy 2007 6(6):948-956.   [doi]

D. Eck, C.A. Helm, N.J. Wagner, and A. Vaynberg. "Plasmon resonance measurements of the adsorption and adsorption kinetics of a biopolymer onto gold nanocolloids", Langmuir 2007 23(18): 9522-9522.   [doi]

R.D. Dombrowski, J.D. Litster, N.J. Wagner, and Y. He. "Crystallization of alpha-lactose monohydrate in a drop-based microfluidic crystallizer", Chemical Engineering Science 2007 62(17): 4802-4810.   [doi]

B.M. Tande, N.J. Wagner, and Y.H. Kim. "Poly(propylene imine) dendrimers as plasticizers for polyvinyl chloride", Journal of Polymer Science Part B-Polymer Physics 2007 45(15): 1970-1975.   [doi]

F. Nettesheim and N.J. Wagner. "Fast dynamics of wormlike micellar solutions", Langmuir 2007 23(10): 5267-5269.  [doi]

M.E. Helgeson, D. Vlassopoulos, and N.J. Wagner. "Viscoelasticity and shear melting of colloidal star polymer glasses", Journal of Rheology 2007 51(2): 297-316.  [doi]

M.J. Decker, C.J. Halbach, C.H. Nam, N.J. Wagner, and E.D. Wetzel. "Stab resistance of shear thickening fluid (STF)-treated fabrics", Composites Science and Technology 2007 67(3-4): 565-578.  [doi]

M.E. Helgeson and N.J. Wagner. "A correlation for the diameter of electrospun polymer nanofibers", AIChE Journal 2007 53(1): 51-55.  [doi]

2006

A.W. Opitz and N.J. Wagner. "Structural investigations of poly(amido amine) dendrimers in methanol using molecular dynamics", Journal of Polymer Science B: Polymer Physics 2006 44(21): 3062-3077.  [doi]

Y.S. Lee and N.J. Wagner. "Rheological properties and small-angle neutron scattering of a shear thickening, nanoparticle dispersion at high shear rates", Industrial & Engineering Chemistry Research 2006 45(21): 7015-7024.  [doi]

R.G. Egres, F. Nettesheim, and N.J. Wagner. "Rheo-SANS investigation of acicular-precipitated calcium carbonate colloidal suspensions through the shear thickening transition", Journal of Rheology 2006 50(5): 685-709.  [doi]

V.K. Daga and N.J. Wagner. "Linear viscoelastic master curves of neat and laponite-filled poly(ethylene oxide)-water solutions", Rheologica Acta 2006 45(6): 813-824.  [doi]

V.K. Daga, M.E. Helgeson, and N.J. Wagner. "Electrospinning of neat and laponite-filled aqueous poly(ethylene oxide) solutions", Journal of Polymer Science B: Polymer Physics 2006 44(11): 1608-1617.  [doi]

M.W. Liberatore, F. Nettesheim, N.J. Wagner, and L. Porcar. "Spatially resolved small-angle neutron scattering in the 1-2 plane: A study of shear-induced phase-separating wormlike micelles", Physical Review E 2006 73(2).  [doi]

M. Sommer, F. Stenger, W. Peukert, and N.J. Wagner. "Agglomeration and breakage of nanoparticles in stirred media mills - a comparison of different methods and models", Chemical Engineering Science 2007 61(1): 135-148.   [doi]

2005

L.N. Krishnamurthy, N.J. Wagner, and J. Mewis. "Shear thickening in polymer stabilized colloidal dispersions", Journal of Rheology 2005 49(6): 1347-1360.   [doi]

A. Kumar, R.F. Lobo, and N.J. Wagner. "Porous amorphous carbon models from periodic Gaussian chains of amorphous polymers", Carbon 2005 43(15): 3099-3111.   [doi]

N.J. Wagner and B. Hlatshwayo. "The occurrence of potentially hazardous trace elements in five Highveld coals, South Africa", International Journal of Coal Geology 2005 63(3-4): 228-246.   [doi]

R.G. Egres and N.J. Wagner. "The rheology and microstructure of acicular precipitated calcium carbonate colloidal suspensions through the shear thickening transition", Journal of Rheology 2005 49(3): 719-746.  [doi]

L.N. Krishnamurthy and N.J. Wagner. "Letter to the editor: Comment on 'Effect of attractions on shear thickening in dense suspensions'", Journal of Rheology 2005 49(3): 799-803.  [doi]

S.S. Shenoy and N.J. Wagner. "Influence of medium viscosity and adsorbed polymer on the reversible shear thickening transition in concentrated colloidal dispersions", Rheologica Acta 2005 44(7): 360-371.  [doi]

L.N. Krishnamurthy and N.J. Wagner. "The influence of weak attractive forces on the microstructure and rheology of colloidal dispersions", Journal of Rheology 2005 49(2): 475-499.   [doi]

2004

L.N. Krishnamurthy, E.C. Weigert, and N.J. Wagner."The shear viscosity of polyarnpholyte (gelatin) stabilized colloidal dispersions", Journal of Colloid and Interface Science 2004 280(1): 264-275.   [doi]

J.E. Kirkwood, K.M. Kirkwood, Y.S. Lee, R.G. Egres, N.J. Wagner, and E.D. Wetzel. "Yarn pull-out as a mechanism for dissipating ballistic impact energy in Kevlar((R)) KM-2 fabric - Part II: Predicting ballistic performance", Textile Research Journal 2004 74(11): 939-948.   [doi]

J.E. Kirkwood, K.M. Kirkwood, Y.S. Lee, R.G. Egres, N.J. Wagner, and E.D. Wetzel. "Yarn pull-out as a mechanism for dissipating ballistic impact energy in Kevlar((R)) KM-2 fabric - Part I: Quasi-static characterization of yarn pull-out", Textile Research Journal 2004 74(10): 920-928.   [doi]

J.W. Jiang, N.J. Wagner, and S.I. Sandler. "A Monte Carlo simulation study of the effect of carbon topology on nitrogen adsorption on graphite, a nanotube bundle, C-60 fullerite, C-168 schwarzite, and a nanoporous carbon", Physical chemistry Chemical Physics 2004 6(18): 4440-4444.   [doi]

G. Arora, N.J. Wagner, and S.I. Sandler. "Adsorption and diffusion of molecular nitrogen in single wall carbon nanotubes", Langmuir 2004 20 (15): 6268-6277.   [doi]

L. Magid, J. Penfold, P. Schurtenberger, and N.J. Wagner. "Experimental techniques/scattering", Current Opinion in Colloid & Interface Science 204 8(6): 491-493.   [doi]

B.A. Schubert, N.J. Wagner, E.W. Kaler, and S.R. Raghavan. "Shear-induced phase separation in solutions of wormlike micelles", Langmuir 2004 20(9): 3564-3573.   [doi]