Department of Chemical Engineering, University of South Carolina

Harry Ploehn

Phone 803.777.7307
Fax 803.777.8265

E-mail

3C05 Swearingen
Chemical Engineering
University of South Carolina
301 Main St.
Columbia, SC 29208

Harry J. Ploehn

Professor

Associate Dean for Research and Graduate Studies

Curriculum Vitae

I. Education

Ph.D., Princeton University (1988)
M. A. , Princeton University (1984)
B. S. ChE., Rice University (1983)

II. Honors & Awards

Samuel Litman Distinguished Professor Award in Engineering, USC College of Engineering & Information Technology, 2000.
Research Achievement Award, USC College of Engineering & Information Technology, 2000.
Michael J. Mungo Teaching Award (University of South Carolina), 1999.
National Science Foundation Young Investigator Award, 1992-98.
Distinguished Teaching Award, Texas A&M University Assoc. of Former Students, 1994-95.
DuPont Young Faculty Award, 1992-94.
Outstanding Paper Award, AIChE Spring National Meeting, Houston, Texas, 1993.
Center for Teaching Excellence Scholar, Texas A&M University, 1992-93.
Dow Excellence in Teaching Award, Texas A&M Dept. of Chemical Engineering, 1990-91.

III. Memberships

American Institute of Chemical Engineers
American Chemical Society
American Society of Engineering Education
Society of Rheology
International Association of Colloid and Interface Scientists

IV. Publications

1.		"Lateral Migration Mechanisms in Capillary Hydrodynamic Chromatography", H. J. Ploehn, International Journal of Multiphase Flow 13, 773-784 (1987).
2.		"Self-Consistent Field Model of Polymer Adsorption: Generalized Formulation and Groundstate Solution", H. J. Ploehn, W. B. Russel, and C. K. Hall, Macromolecules 21, 1075-1085 (1988).
3.		"Extensions of the Self-Consistent Field Theory of Polymer Adsorption: Matched Asymptotic Solution Describing Tails", H. J. Ploehn and W. B. Russel, Colloids and Surfaces 31, 31-32 (1988).
4.		"Self-Consistent Field Theory of Polymer Adsorption: Matched Asymptotic Solution Describing Tails", H. J. Ploehn and W. B. Russel, Macromolecules 22, 266-276 (1989).
5.		"Interactions between Soluble Polymer and Colloidal Particles", H. J. Ploehn and W. B. Russel, Advances in Chemical Engineering 15, 137-228 (1990).
6.		"Chemical Grafting of Poly(ethylene oxide) onto Polystyrene Latex: Synthesis, Characterization, and Rheology", H. J. Ploehn and J. W. Goodwin, in Polymers as Rheology Modifiers (D.N. Schulz, J.E. Glass, eds.), ACS Symp. Ser. 462, 88-100 (1991).
7.		"Rheology of Aqueous Suspensions of Polystyrene Latex Stabilized by Grafted Poly(ethylene oxide)", H. J. Ploehn and J. W. Goodwin, Faraday Discussions of the Chemical Society, 90, 77-90 (1991).
8.		"Self-Consistent Field Theory for Polymer Adsorption: Molecular Volume Effects", H. J. Ploehn, Colloids and Surfaces 86, 25-40 (1994).
9.		"Structure of Adsorbed Polymer Layers: Molecular Volume Effects", H. J. Ploehn, Macromolecules 27, 1617-1626 (1994).
10.		"Compression of Polymer Interphases", H. J. Ploehn, Macromolecules 27, 1627-1636 (1994).
11.		"Synthesis and Characterization of Epoxy-Functional Polystyrene Particles", J. A. Kling and H. J. Ploehn, Journal of Polymer Science: Part A: Polymer Chemistry 33, 1107-1118 (1995).
12.		"A Combined Instrument for Phase Analysis Light Scattering and Dielectric Spectroscopy", J. F. Miller, O. A. Velev, S. C. C. Wu, and H. J. Ploehn, Journal of Colloid Interface Science 174, 490-499 (1995).
13.		"AC-Impedance Studies on Metal Hydride Electrodes", W. Zhang, M. P. Sridhar Kumar, A. Visintin, H. J. Ploehn, and S. Srinivasan, Journal of the Electrochemical Society 142, 2935-2943 (1995).
14.		"Production of Polystyrene Particles Via Aerosolization", S. Norasetthekul, A. M. Gadalla, and H. J. Ploehn, Journal of Applied Polymer Science 58, 2101-2110 (1995).
15.		"Dynamic Mechanical Analysis of the Effect of Water on Glass Bead-Epoxy Composites", J. Y. Wang and H. J. Ploehn, Journal of Applied Polymer Science 59, 345-357 (1995).
16.		"Solution of the Self-Consistent Field Model for Polymer Adsorption by Genetic Algorithms", V. Hanagandi, H. J. Ploehn, and M. Nikolaou, Chemical Engineering Science 51, 1071-1078 (1996).
17.		"A Microcalorimetric Investigation of the Thermodynamics and Kinetics of Hydriding-Dehyriding Reactions", W. Zhang, M. P. Sridhar Kumar, A. Visintin, S. Srinivasan, and H. J. Ploehn, Journal of Alloys and Compounds 242, 143-152 (1996).
18.		"Analysis of Transient Hydrogen Uptake by Metal Alloy Particles", W. Zhang, S. Srinivasan, and H. J. Ploehn, Journal of the Electrochemical Society 143, 4039-4047 (1996).
19.		"Molecular-Level Modeling of the Viscoelasticity of Crosslinked Polymers: Effect of Time and Temperature", P. P. Simon and H. J. Ploehn, Journal of Rheology 41, 641-670 (1997).
20.		"Effects of Time and Compression on the Interactions of Adsorbed Polystyrene Layers in a Good Solvent", M. Ruths, J. N. Israelachvili, and H. J. Ploehn, Macromolecules 30, 3329-3339 (1997).
21.		"Feasibility and Limitations of Nanolevel High Gradient Magnetic Separation", A. D. Ebner, J. A. Ritter, and H. J. Ploehn, Separation and Purification Technology 11, 199-210 (1997).
22.		"Desorption of Adsorbed Poly(ethylene oxide) from Colloidal Polystyrene Particles", J. A. Kling and H. J. Ploehn, Journal of Colloid and Interface Science 198, 241-248 (1998).
23.		"The Effect of Particle Size on the Discharge Performance of a Nickel-Metal Hydride Cell", J. M. Heikonen, H. J. Ploehn, and R. E. White, Journal of the Electrochemical Society 145, 1840-1848 (1998).
24.		"Measurement of Thin Liquid Film Drainage Using a Novel High-Speed Impedance Analyzer", K. O. Hool, R. C. Saunders, and H. J. Ploehn, Review of Scientific Instruments 69, 3232-3239 (1998).
25.		"Backfolding Corrections for Freely Jointed Chains in Self Consistent Field Lattice Models", P. P. Simon and H. J. Ploehn, Macromolecules 31(17), 5880-5891 (1998).
26.		"A Blue-Emitting CdS-Dendrimer Nanocomposite", K. Sookal, L. H. Hanus, H. J. Ploehn, and C. J. Murphy, Advanced Materials 10, 1083-1087 (1998).
27.		"Investigating Time-Temperature Superpositioning in Crosslinked Polymers Using the Tube-Junction Model", P. P. Simon and H. J. Ploehn, Journal of Polymer Science, Part B: Polymer Physics 37, 127-142 (1999).
28.		"Conversion of Intensity-Averaged Photon Correlation Spectroscopy Measurements to Number-Averaged Particle Size Distributions. 1. Theoretical Development", L. H. Hanus and H. J. Ploehn, Langmuir 15(9), 3091-3100 (1999).
29.		"New Magnetic Field-Enhanced Process for the Treatment of Aqueous Wastes", A. D. Ebner, J. A. Ritter, H. J. Ploehn, R. L. Kochen, and J. D. Navratil, Separation Science and Technology 34(6&7), 1277-1300 (1999).
30.		"Two-Particle Magnetic Hetero-Flocculation Model for Nanolevel High Gradient Magnetic Separation”, A. D. Ebner, J. A. Ritter, and H. J. Ploehn, in Metal Separation Technologies Beyond 2000: Integrating Novel Chemistry with Processing (K. C. Liddell and D. J. Chaiko, eds.), pp. 193-204, The Minerals, Metals, and Materials Society (Warrendale, PA), 1999.
31.		"Characterizing Colloidal Materials Using DLS", L. H. Hanus and H. J. Ploehn, in Surface Characterization Methods: Principles, Techniques, and Applications (A. J. Milling, ed.), pp. 199-249, Marcel Dekker (New York), 1999.
32.		"Inorganic Quantum Dot – Organic Dendrimer Nanocomposite Materials", K. Sooklal, J. Huang, C. J. Murphy, L. Hanus, and H. J. Ploehn, Material Research Society Symposium Proceedings 576, 439-444 (1999).
33.		"Polyamine-Quantum Dot Nanocomposites: Linear versus Starburst Stabilizer Architectures", J. Huang, K. Sooklal, C. J. Murphy, and H. J. Ploehn, Chemistry of Materials 11, 3595-3601 (1999).
34.		"Modeling the Effect of Plasticizer on the Viscoelastic Response of Crosslinked Polymers Using the Tube-Junction Model", P. P. Simon and H. J. Ploehn, Journal of Rheology 44, 169-183 (2000).
35.		"Modeling the Effects of Ion Association on Direct Current Polarization of Solid Polymer Electrolytes", C. Lin, R. E. White, and H. J. Ploehn, Journal of the Electrochemical Society 147(3) 936-944 (2000).
36.		"Aggregation Kinetics of Dendrimer-Stabilized CdS Nanoclusters", L. H. Hanus, K. Sooklal, C. J. Murphy, and H. J. Ploehn, Langmuir 16(6), 2621-2626 (2000).
37.		"Magnetic Hetero-Flocculation of Paramagnetic Colloidal Particles", A. D. Ebner, J. A. Ritter, and H. J. Ploehn, Journal of Colloid and Interface Science 225, 39-46 (2000).
38.		"Shrinking Core Model for the Discharge of Metal Hydride Electrodes", V. R. Subramanian, H. J. Ploehn, and R. E. White, Journal of the Electrochemical Society 147, 2868-2873 (2000).
39.		"Design and Construction of a Uniaxial Cell Stretcher", M. J. Yost, D. Simpson, K. Wrona, S. Ridley, H. J. Ploehn, T. K. Borg, and L. Terracio, American Journal of Physiology 279, 3124-3130 (2000).
40.		"Modeling Mass Transfer and Interfacial Reactions in Three Liquid Phase Transfer Catalysis", J. J. Krueger, M. D. Amiridis, and H. J. Ploehn, Industrial and Engineering Chemistry Research 40(14), 3158-3163 (2001).
41.		"Non-Equilibrium Point Defect Model for Time-Dependent Passivation of Metal Surfaces", B. Krishnamurthy, R. E. White, and H. J. Ploehn, Electrochimica Acta 46(22), 3387-3396 (2001).
42.		"Oligonucleotide Adsorption to Gold Nanoparticles: A Surface-Enhanced Raman Spectroscopy Study of Intrinsically Bent DNA", L. A. Gearheart, H. J. Ploehn, and C. J. Murphy, Journal of Physical Chemistry B 105 (50), 12609-12615 (2001).
43.		"Modeling the Effects of Electrode Composition and Pore Structure on the Performance of Electrochemical Capacitors", C. Lin, B. N. Popov, and H. J. Ploehn, Journal of the Electrochemical Society 149 (2), A167-A175 (2002).
44.		"Magnetic Field Orientation and Spatial Effects on the Retention of Paramagnetic Nanoparticles with Magnetite", A. D. Ebner, J. A. Ritter, and H. J. Ploehn, Separation Science and Technology, accepted (2002).
45.		"Modeling the Effects of Ion Association on the Alternating Current Impedance of Solid Polymer Electrolytes", C. Lin, R. E. White, and H. J. Ploehn, Journal of the Electrochemical Society 149 (7), E242-E251 (2002).
46.		"Electric Field Strength Effects on Time-Dependent Passivation of Metal Surfaces", B. Krishnamurthy, R. E. White, and H. J. Ploehn, Electrochimica Acta 47 (15), 2505-2513 (2002).
47.		"Phase Behavior and Microdomain Structure in Perfluorosulfonated Ionomers Via Self Consistent Field Theory", J. J. Krueger, P. P. Simon, and H. J. Ploehn, Macromolecules 35 (14), 5630-5639 (2002).
48.		"Simplified Point Defect Model for Growth of Anodic Passive Films on Iron", B. Krishnamurthy, R. E. White, and H. J. Ploehn, Electrochimica Acta, accepted (2002).
49.		"Free Energy Balance for Compression of Polymer Interphases", H. J. Ploehn, Macromolecules 35 (13), 5331-5333 (2002).
50.		"Platinum Ion Uptake by Dendrimers: An NMR and AFM Study", P. J. Pellechia, J. Gao, Y. Gu, H.J. Ploehn, and C. J. Murphy, Inorganic Chemistry 43(4), 1421-1428 (2004).
51.		"Solvent Diffusion Model for Aging of Lithium-Ion Cells", H. J. Ploehn, R. Premanand, and R. E. White, Journal of the Electrochemical Society 151(3), A456-A462 (2004).
52.		“Electrophoretic Analysis and Purification of Fluorescent Single-walled Carbon Nanotube Fragments”, X. Xu, R. Ray, Y. Gu, H. J. Ploehn, L. Gearheart, K. Raker, and W. A. Scrivens, Journal of the American Chemical Society 126(40), 12736-12737 (2004).
53.		“AFM Characterization of Dendrimer-Stabilized Platinum Nanoparticles”, Y. Gu, H. Xie, J. Gao, D. Liu, C. T. Williams, C. J. Murphy, and H. J. Ploehn, Langmuir 21(7), 3122-3131 (2005).
54.		“Thermal Decomposition of Generation-4 Polyamidoamine Dendrimers Films: Decomposition Catalyzed by Dendrimer-Encapsulated Pt Particles”, O. Ozturk, T. J. Black, K. Perrine, K. Pizzolato, C. T. Williams, F.W. Parsons, J. S. Ratliff, J. Gao, C. J. Murphy, H. Xie, H. J. Ploehn, and D. A. Chen, Langmuir 21(9), 3998-4006 (2005).
55.		“Dendrimer-Mediated Synthesis of Platinum Nanoparticles: New Insights from Dialysis and AFM Measurements”, H. Xie, Y. Gu, and H. J. Ploehn, Nanotechnology 16(7) S492-S501 (2005).
56.		“Vapor-Assisted Remodeling of Thin Gold Films”, Y. Luo, J. Ruff, R. Ray, Y. Gu, H. J. Ploehn, and W. A. Scrivens, Chemistry of Materials 17(20), 5014-5023 (2005).
57.		“Quantitative Analysis of Montmorillonite Platelet Size by Atomic Force Microscopy”, H. J. Ploehn and C. Liu, Industrial & Engineering Chemistry Research 45, 7025-7034 (2006).
58.		“EXAFS Characterization of Dendrimer-Pt Nanocomposites Used for the Preparation of Pt/Al2O3 Catalysts”, O. S. Alexeev, A. Siani, G. Lafaye, C. T. Williams, H. J. Ploehn, and M. D. Amiridis, Journal of Physical Chemistry B 110, 24903-24914 (2006).

V. Refereed book chapters and proceedings volumes

1.		"Investigation of Moisture Effects on Interfacial Properties of an Epoxy Matrix Composite by Dynamic Mechanical Analysis", J. Y. Wang and H. J. Ploehn, Research Reports of the Offshore Technology Research Center (1994).
2.		"Oxidation of Byproduct Calcium Sulfate Hemihydrate from Coal-Fired Power Plants to Chemical Gypsum in the Slurry Form", S. Bhatt, D. Saylak, H. J. Ploehn, and D. Golden, Proceedings of the Fourth International Conference on Flue Gas Desulfurization and Synthetic Gypsum, 5/95.
3.		“Modeling the Water-Modified Microstructure and Viscoelasticity of Epoxy Resins and their Composites", P. P. Simon and H. J. Ploehn, Research Reports of the Offshore Technology Research Center (1996).
4.		“Molecular-Level Modeling of the Viscoelasticity of Crosslinked Polymers”, P. P. Simon and H. J. Ploehn, Proceedings of the XIIth International Congress on Rheology, edited by A. Ait-Kadi, J. M. Dealy, D. F. James, and M. C. Williams, pp. 238-239 (1996).
5.		"A Non-Equilibrium Point Defect Model for Time-Dependent Passivation of Metal Surfaces”, B. Krishnamurthy, R. E. White, and H. J. Ploehn, in Oxide Films (K. R. Hebert, R. S. Lillard, B. R. MacDougall, Eds.), PV-2000-4, The Electrochemical Society, Pennington, NJ, pp. 84-90, 2000.
6.		"Modeling the Effects of Ion Association on Direct Current Polarization of Solid Polymer Electrolytes”, C. Lin, R. E. White, and H. J. Ploehn, in Rechargeable Lithium Batteries (M. Doyle, E. Takeuchi, K. M. Abraham, Eds.), PV-2000-21, The Electrochemical Society, Pennington, NJ, pp. 437-456, 2000.
7.		"Continuum and Statistical Mechanics-Based Models for Solid Electrolyte Interfaces in Lithium-Ion Batteries”, H. J. Ploehn, P. Ramadass, R. E. White, D. Altomare, and P. B. Balbuena, in Lithium-Ion Batteries: Solid-Electrolyte Interphase, P. B. Balbuena and Y. Wang, Eds., Imperial College Press, London, 2004, in press.

V. Patents

"Compositions for Use in Catalytic Cracking to Make Reduced Sulfur Content Gasoline", U.S. Patent No. 6,036,847 (3/14/00); European Patent Application EP 0798362 [with M.S. Ziebarth, R.H. Harding, and R.F. Wormsbecher].

VI. Doctor of Philosophy students (* denotes current students)

Lin, Ter-Hai, TAMU, "Self-Consistent Field Theory for Polyelectrolyte Interfaces", 11/29/94 (currently employed by Nan-Ya Plastics, Wharton, TX)
Kling, Janet A., TAMU, "Synthesis and Characterization of Colloidal Surfaces with Grafted Polymer Layers", 3/24/95 (currently employed by 3M Company, Austin, TX)
Simon, Philip P., TAMU, "Modeling the Water-Modified Microstructure and Viscoelasticity of Epoxy Resins and their Composites", 9/1/95 (currently employed by Intergraph, Inc., Huntsville AL)
Hanus, Leo H., USC, "Synthesis and Light Scattering Studies of Nanoparticles", 11/12/98 (currently employed by Clariant, Inc., Charlotte, NC)
Yost, Michael J., USC, "Modeling the Effects of Collagen Microstructure and Chemistry on Tissue Growth and Hypertrophy" (with Thomas Borg, USC School of Medicine), 12/17/98 (currently employed as Research Assistant Professor, USC School of Medicine, Columbia, SC)
Wang, Jo-Yu, USC, "Predicting Emulsion Stability from Thin Film Draining Measurements", 4/18/99 (currently employed by Nan-Ya Plastics, Wharton, TX)
Krueger, Jeffrey J., USC, "Modeling Microstructural Phase Behavior in Perfluorosulphonated Ionomers", 12/18/00.
Lin, Changqing, USC, "Modeling Ionic Transport in Solid Polymer Electrolytes and Supercapacitors", 7/18/01.
Krishnamurthy, Balaji, USC, "Modeling the Formation of Passive Films on Metal Surfaces", 8/20/01.
Gu, Yunlong, USC, “Synthesis, Characterization and Catalytic Application of Dendrimer-Stabilized Metal Nanoparticles” (11/17/06).
* Xie, Hong, USC, “Size Characterization of Dendrimer-Stabilized Metallic Nanoparticles” (expected 8/06).

VII. Master of Science students (* denotes current students)

Wang, Jo-Yu, TAMU, "Investigation of the Effects of Water on the Dynamic Mechanical Properties of an Epoxy Matrix Composite", 10/28/93 (currently pursuing a PhD in Chemical Engineering at USC)
Bhatt, Sandeep, TAMU, "Oxidation Kinetics of Flue Gas Desulfurization Byproduct and Its Utilization", 10/24/94 (currently employed by Cabot Corp., Pampa, TX)
Norasetthekul, Somchintana, TAMU, "Production of Polystyrene Particles Via Aerosolization", 10/26/94 (currently pursuing a PhD in Chemical Engineering at TAMU)
Wu, Samuel C. C., TAMU, "Investigation of PEO - Coated Polystyrene Latex by Phase Analysis Light Scattering and Photon Correlation Spectroscopy", 2/10/95 (currently employed by Texas Instruments, Dallas, TX)
Liu, Chunyan, “Characterization of Platelet Materials and PET/Montmorillonite Nanocomposites”, 12/13/05 (currently a doctoral student at the University of Iowa).
* Auddy, Kausick, “Permeability Characterization of PET-Platelet Nanocomposites” (expected 5/07)