Yuris Dzenis

Yuris Dzenis

Yuris Dzenis
Contact Information:
W315 NH
Lincoln: City Campus
(402) 472-0713
Email   
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R. Vernon McBroom Professor
  • Ph.D. in Mechanical and Aerospace Engineering, University of Texas
  • Ph.D. in Materials Science and Engineering, Latvian Academy of Sciences (Physics and Mechanics of Polymers)
  • M.S. in Physics, Latvian University (Electrodynamics and Mechanics of Continua)

Areas of Research and Professional Interest
  • Advanced nanomaterials and nanomanufacturing
  • Experimental and theoretical analysis of electrospinning process
  • Continuous polymer, carbon, and ceramic nanofibers
  • Hierarchical materials and composites
  • Damage and fracture mechanics
  • Fatigue analysis and life prediction
  • Multiscale NDE
  • Cardiovascular biomechanics and tissue mechanics
  • Bionanomaterials

About Yuris Dzenis

Projects on advanced nanomaterials, nanomanufacturing, continuous nanofibers, nanocomposites, predictive NDE, and cardiovascular biomechanics supported by NSF, AFOSR, ARO, NRI, and DARPA. Graduate and undergraduate research assistantships are often available. For further details about current assistantships, contact Dr. Dzenis.


Experience

Visiting and Adjunct Positions:
  • Adjunct Professor, Department of Surgery, University of Nebraska Medical Center (2008-present)
  • Erskine Fellow and Visiting Professor, University of Canterbury, New Zealand (2010, 2000)
  • Visiting Professor, University of Trento, Italy (2009)
  • Visiting Professor, University of Pierre & Marie Curie (Paris VI), Paris, France (2004, 2002)
  • Adjunct Associate Professor, Texas A&M University (in conjunction with joint TAMU-UNL Engineering Study Abroad Program in Paris, France; 2002)
  • Visiting Professor, Doshisha University, Kyoto, Japan (1996)
  • Visiting Researcher, Institute for Mechanics of Materials, University of California-San Diego (1996)
  • Visiting Scientist, Institute of Composite Materials, University of Kaiserslautern, Germany (1993)

Selected Publications

  • Papkov, D., Zou, Y., Andalib, M.N., Goponenko, A., Cheng, S.Z.D., Dzenis, Y.A., "Simultaneously Strong and Tough Ultrafine Continuous Nanofibers,” ACS Nano, 2013, 7(4), pg. 3324-3331 (Cover feature ACS Nano, April 23, 2013, Vol. 7, Iss. 4: http://pubs.acs.org/action/showLargeCover?jcode=ancac3&vol=7&issue=4; highlighted in Nature, 2013, Vol. 495, 284http://www.nature.com/nature/journal/v495/n7441/full/495284a.html )
  • Dzenis, Y., "Structural Nanocomposites", Science, 2008, Vol. 319, pp. 419-420
  • Ritchie, R.O.; and Dzenis, Y., "The Quest for Stronger, Tougher Materials", Science, 2008, Vol. 320, p. 448
  • Dzenis, Y., “Spinning Continuous Fibers for Nanotechnology”, Science, 2004, Vol. 304, pp.1917-1919
  • Papkov, D., Goponenko, A., Compton, O.C., An, Z., Moravsky, A., Li,, X-Z., Nguyen, S.T., and Dzenis, Y.A., “Improved Graphitic Structure of Continuous Carbon Nanofibers via Graphene Oxide Templating,” Advanced Functional Materials, 2013, accepted (in press)
  • Andalib, M.N., Lee, J.S., Ha, L., Dzenis, Y., and Lim, J.Y., “The Role of RhoA Kinase (ROCK) in Cell Alignment on Nanofibers,” Acta Biomaterialia, 2013,10.1016/j.actbio.2013.04.013
  • Beese, A.M., Papkov, D., Li, S., Dzenis, Y., Espinosa, H.D., “In Situ Transmission Electron Microscope Tensile Testing Reveals Structure-Property Relationships in Carbon Nanofibers,” Carbon, 2013, 10.1016/j.carbon.2013.04.018
  • Dorigato, A., Dzenis, Y., Pegoretti, A., “Filler Aggregation as a Reinforcement Mechanism in Polymer Nanocomposites,” Mechanics of Materials, 2013, Vol. 61, pg. 79-90
  • Kamenskiy, A.V., Pipinos, I.I., Dzenis, Y.A., Bikhchandani, J., Gupta, P.K., Phillips, N., Kazmi, S.A.J., MacTaggart, J.N., “Hemodynamic Effects of Carotid Artery Stenting,” Journal of the American College of Surgeons (JACS), 2013, in press
  • Papkov, D., Beese, A.M., Goponenko, A., Zou, Y., Naraghi, M., Espinosa, H.D., Saha, B., Schatz, G.C., Moravsky, A., Loutfy, R., Nguyen, S.T., Dzenis, Y.A., “Extraordinary Improvement of the Graphitic Structure of Continuous Carbon Nanofibers Templated with Double Wall Carbon Nanotubes,” ACS Nano, 2013, 7 (1), pg. 126-142 (Published online 10.1021/nn303423x; 2012)
  • Kamenskiy, A.V., MacTaggart, J.N., Pipinos, I.I., Gupta, P.K., and Dzenis, Y.A. “Hemodynamically Motivated Choice Of Patch Angioplasty For The Performance Of Carotid Endarterectomy,” Annals of Biomedical Engineering, 2013; 41(2): 263-78 (DOI: 10.1007/s10439-012-0640-2; 2012)
  • Kamenskiy, A.V., MacTaggart, J.N., Pipinos, I., Bikhchandani, J., and Dzenis, Y.A., “Three-dimensional Geometry of the Human Carotid Artery,” Journal of Biomechanical Engineering, 2012, vol. 134, 064502: 1-7
  • Kamenskiy, A.V., Dzenis, Y., MacTaggart, J., Lynch, T., Kazmi, S., Pipinos, I.I.,, “Non-Linear Mechanical Behavior of the Human Common, External, and Internal Carotid Arteries In Vivo”, Journal of Surgical Research, 2012, 176(1): 329-336
  • Kamenskiy, A.V., Pipinos, I.I., MacTaggart, Kazmi, S., Dzenis, Y., “Comparative Analysis of the Biaxial Mechanical Behavior of Carotid Wall Tissue and Biological and Synthetic Materials Used for Carotid Patch Angioplasty”, Journal of Biomechanical Engineering, 2011, vol. 133, 111008: 1-10
  • Wu, X., Salkovskiy, Y., and Dzenis, Y., “Modeling of Solvent Evaporation from Polymer Jets in Electrospinning”, Applied Physics Letters, 2011, Vol. 98, 223108
  • Liu, L. and Dzenis, Y., “Simulation of Electrospun Nanofiber Deposition on Stationary and Moving Substrates”, Micro & Nano Letters, 2011, Volume 6, Issue 6, pp. 408–411
  • Goponenko, A.V., Boyle, B.J., Jahan, K.I., Gerashchenko, M.V., Fomenko, D.E., Gladyshev, V.N., and Dzenis, Y., “Use of Environmental Scanning Electron Microscopy for In-Situ Observation of Interaction of Cells with Micro- and Nano-Probes”, Micro & Nano Letters, 2011, Vol. 6, Iss. 8, pp. 603–608
  • Goponenko, A.V., Hou, H., and Dzenis, Y., “Avoiding Fusion of Electrospun 3,3',4,4'-Biphenyltetracarboxylic Dianhydride-4,4'-Oxydianiline Nanofibers during Conversion to Polyimide”, Polymer, 2011, Volume 52, Issue 17, pp. 3776-3782
  • Li, Z. and Dzenis, Y., “Highly Efficient Rapid Ethanol Sensing Based on Co-Doped In2O3 Nanowires”, Talanta, 2011, Volume 85, Issue 1, pp. 82-85
  • PytlikZillig, L.M., Tomkins, A.J., Muhlberger, P., Pardy, R.L., Morris, T.J., Dzenis, Y.A., Turner, J.A., and Collins, T.P., “Using Public Engagements to Provide Input and Insights into Policy, Legal, Ethical, and Other Impacts of Science”, The International Journal of Science in Society, 2011, Volume 2, Issue 3, pp. 273-290
  • Kamenskiy, A.V., Dzenis, Y., MacTaggart, J., Desyatova, A.S., Pipinos, I.I.,, “In-Vivo Three-Dimensional Blood Velocity Profile Shapes in the Human Common, Internal, and External Carotid Arteries”, Journal of Vascular Surgery, 2011, 54 (4):1011-1020
  • Kamenskiy, A.V., Pipinos, I.I., Desyatova, A.S., Salkovskiy, Y.E., Kossovich, L.Y., Kirillova, I.V., Polyaev, V.O., Bockeria, L.A., Morozov, K.M., Lynch, T.G., Dzenis, Y., “Finite Element Model of the Patched Human Carotid”, Vascular and Endovascular Surgery, 2009, 43:6, 533-541
  • Kornev, K.G., Ren, X, and Dzenis, Y., “Controlling Liquid Release by Compressing Electrospun Nanowebs”, Journal of Engineered Fibers and Fabrics, 2009, Vol. 4, Issue 3, pp. 14-23
  • Wu, X.-F., Kostogorova, Y.Y., Goponenko, A.V., Hou, H., and Dzenis, Y.A., "Rippling of Polymer Nanofibers", Physical Review E, 2008, Vol. 78, 061804 (8 pp)
  • Wu, X.-F. and Dzenis, Y.A., "Phase-Field Modeling of the Formation of Lamellar Nanostructures in Diblock Copolymer Thin Films under Planar Electric Fields", Physical Review E, 2008, Vol. 77, 031807 (10 pp)
  • Liu, L. and Dzenis, Y.A., “Analysis of the Effects of Residual Charge and Gap Size on Electrospun Nanofiber Alignment in Gap Method”, Nanotechnology, 2008, Vol. 19, 355307 (7 pp)
  • Kumar, A., Lijun, W., Dzenis, Y.A., Jones, D.D., Hanna, M.A., "Thermogravimetric Characterization of Corn Stover as Gasification and Pyrolysis Feedstock", Biomass and Bioenergy, 2008, Vol. 32, pp. 460-467
  • Wu, X.-F., Dzenis, Y.A., Strabala, K.W., “Free-Edge Stresses and Progressive Cracking in Surface Coatings of Curcular Torsion Bars”, International Journal of Solids and Structures, 2008, Vol. 45, pp. 2251-2264
  • Wu, X., Ghoshal,G., Kartashov, M., Aslan, Z., Turner, J. and Dzenis, Y., “Experimental Characterization of the Impact-Damage Tolerance of a Cross-Ply Graphite-Fiber/Epoxy Laminate”, Polymer Composites, 2008, Vol. 29, No. 5, pp. 534-543
  • Naraghi, M., Chasiotis, I., Kahn, H., Wen, Y., Dzenis, Y., “Mechanical Deformation and Failure of Electrospun Polyacrylonitrile Nanofibers as a Function of Strain Rate”, Applied Physics Letters, 2007, Vol. 91, 151901
  • Wu, X.-F. and Dzenis, Y., "Size Effect in Polymer Nanofibers Under Tension", Journal of Applied Physics, 2007, Vol. 102, 044306 (6pp)
  • Naraghi, M., Chasiotis, I., Kahn, H., Wen, Y., Dzenis, Y., “Novel Method of Mechanical Characterization of Polymeric Nanofibers”, Review of Scientific Instruments, 2007, Vol. 78, 085108 (7pp)
  • Yuya, P.A., Wen, Y., Li, Z., Turner, J.A., and Dzenis, Y., “Determination of Young’s Modulus of Individual Electrospun Nanofibers by Microcantilever Vibration Method”, Applied Physics Letters, 2007, Vol. 90, 111909 (3pp)
  • Wu, X.-F. and Dzenis, Y., "Adhesive Contacts in Filaments", Journal of Physics D: Applied Physics, 2007, Vol. 40, pp. 4276-4280
  • Wu, X., Dzenis, Y., Strabala, K., “Wrinkling of a Charged Elastic Film on a Viscous Layer”, Meccanica, 2007, Vol. 42, No. 3, pp. 273-282
  • Wu, X.-F. and Dzenis, Y., "Collapse Analysis of Nanofibers ", Nanotechnology, 2007, Vol. 18, No. 28, 285702 (6pp)
  • Chiew, S.Y., Wen, Y., Dzenis, Y., and Leong, K.W., "The Role of Electrospinning in the Emerging Field of Nanomedicine”, Current Pharmaceutical Design, 2006, 12: 4751-4770
  • Wu, X. and Dzenis, Y., “Droplet on a Fiber: Geometrical Shape and Contact Angle”, Acta Mechanica, 2006, Vol. 185, pp. 215-225
  • Wu, X. and Dzenis, Y., “Wave Propagation in Nanofibers”, Journal of Applied Physics, 2006, Vol. 100, 124318 (4pp)
  • Wu, X. and Dzenis, Y., “Guided Self-Assembly of Diblock Copolymer Thin Films on Chemically Patterned Substrates”, Journal of Chemical Physics, 2006, Vol. 125, 174707
  • Dzenis, Y., “Spinning Continuous Fibers for Nanotechnology”, Science, 2004, Vol. 304, pp.1917-1919
  • Wu, X. and Dzenis, Y., “Elasticity of Planar Nanofiber Networks”, J. Appl. Physics, 2005, 98 (9): in press
  • Wu, X. and Dzenis, Y., "Electrohydrodynamic instability of thin conductive liquid films", Journal of Physics D: Applied Physics 2005, 38 (16): 2848-2850
  • Wu, X. and Dzenis, Y., “Determination of dynamic delamination toughness of a graphite-fiber/epoxy composite using Hopkinson pressure bar”, Polymer Composites 2005, 26(2): 165-180
  • Wu, X. and Dzenis, Y., “Experimental determination of probabilistic edge-delamination strength of a graphite-fiber/epoxy composite”, Composite Structures 2005, 70(1): 100-108
  • Wu, X. and Dzenis, Y., "Antiplane surface acoustic waves (SAWs) propagating in elastic half-space coated with an anisotropic laminate", Composites Science and Technology 2005, 65(11-12): 1761-1768
  • Xu, Y. X., Dzenis, Y., and Hanna, M. A., “Water solubility, thermal characteristics and biodegradability of extruded starch acetate foams“, Industrial Crops and Products, 2005, vol. 21, no. 3, pp. 361-368
  • Wu, X., Dzenis, Y. , and Gokdag, E., Edge-cracked orthotropic bimaterial butt joint under anti-plane singularity. International Journal of Nonlinear Sciences and Numerical Simulation 5(4): 347-354 (2004)
  • Kwon, O. Y. and Dzenis, Y., “Embedded PVDF Film Sensor for In-Situ Monitoring of Structural Integrity of Laminated Composites”, Key Engineering Materials, 2004, no. 270/273, pp. 1929-1934
  • Wu, X.-F., Dzenis, Y., and Rinschen, B.D., “Screw dislocation interacting with interfacial edge-cracks in piezoelectric bimaterial strips,” International Journal of Nonlinear Sciences and Numerical Simulation, 2004, 5(4): 341-346
  • Wu, X., Dzenis, Y., and Fan, T., “Two Semi-Infinite Interfacial Cracks Between Two Bonded Dissimilar Elastic Strips”, International Journal of Engineering Science, 2003, Vol. 41, No. 15, pp. 1699-1710
  • Wu, X., Dzenis, Y., and Fan, T., "Screw dislocation interacting with twin interfacial edge cracks between two bonded dissimilar piezoelectric strips", Mechanics Research Communications, 2003, 30: 547-555
  • Dzenis, Y., “Cycle-based Analysis of Damage and Failure in Advanced Composites Under Fatigue. 1 - Experimental Observation of Damage Development Within Loading Cycles”, International Journal of Fatigue, 2003, Vol. 25, No. 6, pp. 499-510
  • Dzenis, Y., “Cycle-based Analysis of Damage and Failure in Advanced Composites Under Fatigue. 2 - Stochastic Mesomechanics Modeling”, International Journal of Fatigue, 2003, Vol. 25, No. 6, pp. 511-520
  • Wu, X., Dzenis, Y., and Zou, W., "Moving screw dislocation in piezoelectric bimaterials", Physica Status Solidi B: Basic Research, 2003, Vol. 238, No. 1, pp. 120-126
  • Wu, X., Dzenis, Y., and Zou, W., "Interfacial Edge Crack between two Bonded Dissimilar Orthotropic Strips under Antiplane Point Loading", ZAMM, 2003, Vol. 83, No. 6, pp. 419-422
  • Wu, X., Cohn, S., Dzenis, Y., "Screw Dislocation Interacting with Interface and Interfacial Cracks in Piezoelectric Bimaterials", International Journal of Engineering Science, 2003, Vol. 41, No. 7, pp. 667-682
  • Qin, M. and Dzenis, Y., “Analysis of Single Lap Adhesive Composite Joints with Delaminated Adherends“, Composites B: Engineering, 2003, Vol. 34, No. 2, pp. 167-173
  • Dzenis, Y., Qin, M., and Pagano, N., “A Method of Evaluation of Transverse Critical Energy Release Rate (Fiber Failure Mode) in Advanced Composites”, International Journal of Fracture, 2003, Vol. 118, No. 1, pp. l1-l6
  • Dzenis, Y. and Qian, J., “Analysis and Identification of Acoustic Emission from Damage and Internal Friction in Advanced Composites Under Fatigue”, Journal of Acoustic Emission, 2002, Vol. 20, pp. 99-107
  • Dzenis, Y. and Saunders, I., “On the Possibility of Discrimination of Mixed Mode Fatigue Fracture Mechanisms in Adhesive Composite Joints by Advanced Acoustic Emission Analysis”, International Journal of Fracture, 2002, Vol. 117, No. 4, pp. l23-l28
  • Wu, X., Dzenis, Y., and Zou, W., "Screw Dislocation Interacting With an Interfacial Edge Crack Between Two Bonded Dissimilar Piezoelectric Wedges", International Journal of Fracture, 2002, Vol. 117, No. 3, pp. l9-l14
  • Qian, J. and Dzenis, Y., “Extraction of Histories of Damage Micromechanisms in Unidirectional Composites by Transient-Parametric Analysis“, Journal of Acoustic Emission, Dec 2002, Vol. 20, pp. 16-24
  • Wu, X. and Dzenis, Y., "Closed-Form Solution For the Size of Plastic Zone in an Edge-Cracked Strip", International Journal of Engineering Science, 2002, Vol. 40, pp. 1751-1759
  • Wu, X. and Dzenis, Y., "Closed-Form Solution For a Mode-III Interfacial Edge Crack Between Two Bonded Dissimilar Anisotropic Strips", Mechanics Research Communications, 2002, Vol. 29, No. 5, pp. 407-412
  • Dzenis, Y. and Wen, Y., “Continuous Carbon Nanofibers for Nanofiber Composites”, MRS Paper 47481, Proc. 2001 MRS Fall Meeting, Boston, November 2001, 8 p.
  • Kayupov, M. and Dzenis, Y.A., “Stress Concentrations Caused by a Bond Crack in a Single-Lap Composite Joint”, Composite Structures, 2001, Vol. 54, pp. 215-220
  • Wu, X. and Dzenis, Y., “Rate Effects on Mode-I Delamination Toughness of a Graphite/Epoxy Laminated Composite”, International Journal of Fracture, 2001, Vol. 112, pp. l9-l12
  • Dzenis, Y. and Oian, J., "Analysis of Microdamage Evolution Histories in Composites", International Journal of Solids and Structures, Vol. 38, 2001, pp. 1831-1854
  • Spivak, A., Dzenis, Y., and Reneker, D.H., “A Model of Steady State Jet in the Electrospinning Process”, Mechanics Research Communications, Vol. 27, No 1, 2000, pp. 37-42
  • Spivak, A. and Dzenis, Y., "A Condition on the Existence of a Conductive Liquid Meniscus in an External Electric Field", Journal of Applied Mechanics, 1999, Vol. 66, December, pp. 1026-28
  • Spivak, A. and Dzenis, Y., "Asymptotic Decay of Radius of a Weakly Conductive Viscose Jet in an External Electric Field", Applied Physics Letters, 1998, Vol. 73, No. 21, pp. 3067-3070
  • Dzenis, Y., "Effective Thermo-Visco-Elastic Properties of Fibrous Composites with Fractal Interfaces and an Interphase", Composite Science and Technology, 1997, Vol. 57, No. 8, pp. 1057-1063.
  • Dzenis, Y. and Joshi, S.P., “Effect of Loading Parameters on Damage Induced Shear-Extension Coupling in a Laminate,” AIAA Journal, 1997, Vol. 35, No. 3, pp. 578-580
  • Dzenis, Y. and Joshi, S.P., “Long-Term Strength and Damage Analysis of Laminated Composites,” AIAA Journal, 1997, Vol. 35, No. 6, pp. 1057-1063
  • Dzenis, Y., “Stochastic Damage Evolution Modeling in Laminates”, Journal of Thermoplastic Composite Materials, 1996, Vol. 9, No. 1, pp. 21-34.
  • Dzenis, Y., "Hierarchial Nano/Micro Materials Based on Electrospun Polymer Fibers: Predictive Models for Thermomechanical Behavior", Journal of Computer-Aided Materials Design, 1996, Vol. 3, pp. 403-408.
  • Dzenis, Y., Reneker, D.H., Tsukruk, V.V., and Patil, R., “Fractal Analysis of Surfaces of Advanced Reinforcing Fibers by Atomic Force Microscopy,” Composite Interfaces, 1994, Vol. 2, pp. 307-319.
  • Dzenis, Y. and Joshi, S.P., “Inhomogeneous Anisotropic Percolation: Two-Dimensional Numerical Threshold Analysis”, Physical Review B, 1994, Vol. 49, pp. 3566-3568.
  • Dzenis, Y., Joshi, S.P., and Bogdanovich, A.E., “Damage Evolution Modeling in Orthotropic Laminated Composites”, AIAA Journal, 1994, Vol. 32, pp. 357-364.
  • Dzenis, Y. and Joshi, S.P., “Damage Induced Anisotropy in Laminates”, Advanced Composites Letters, 1993, Vol. 2, No 3, pp. 97-99.
  • Dzenis, Y., “Interactive Software for PC on Composite Micromechanics”, Materials & Design, 1993, Vol. 14, No. 3, pp. 1-8.
  • Dzenis, Y., Joshi, S.P., and Bogdanovich, A.E., “Behavior of Laminated Composites Under Monotonically Increasing Random Load”, AIAA Journal, 1993, Vol. 31, No 12, pp. 2329-2334.

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