Computational and experimental biophysics of protein folding and assembly, relevant to Alzheimer's and Parkinson's disease; discrete molecular dynamics of coarse-grained protein and lipid models; all-atom molecular dynamics of intrinsically disordered peptides and proteins in aqueous solutions.
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Amyloid Beta-Protein (1-40) assembly
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Amyloid Beta-Protein (1-42) assembly
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PEER-REVIEWED PUBLICATIONS (reverse chronological order):
(download the paper by clicking on the link)- R. Schweitzer-Stenner, R. Kurbaj, N. O'Neill, B. Andrews, R. Shah, and B. Urbanc, Conformational Manifold Sampled by Two Short Linear Motif Segments Probed by Circular Dichroism, Vibrational and NMR Spectroscopy, Biochemistry 62, 2571-2586 (2023). https://pubs.acs.org/doi/10.1021/acs.biochem.3c00212
- B. Andrews, T. Ruggiero, and B. Urbanc, How Do Salt and Lipids Affect Conformational Dynamics of Aβ42 Monomers in Water? , Phys. Chem. Chem. Phys 25, 2566-2583 (2023). https://pubs.rsc.org/en/content/articlelanding/2022/cp/d2cp05044g
- B. Andrews, J. Guerra, R. Schweitzer-Stenner, and B. Urbanc, Do Molecular Dynamics Force Fields Accurately Model Ramachandran Distributions of Amino Acid Residues in Water?, Phys. Chem. Chem. Phys. 22, 3259-3279 (2022). https://pubs.rsc.org/en/content/articlelanding/2022/cp/d1cp05069a
- B. Andrews, K. Long, and B. Urbanc, Soluble State of Villin Headpiece Protein as a Tool in the Assessment of MD Force Fields, J. Phys. Chem. B, Carol K. Hall Festschrift Virtual Special Issue, 125, 6897-6911 (2021). https://pubs.acs.org/doi/10.1021/acs.jpcb.1c04589
- B. Urbanc, Cross-Linked Amyloid β-Protein Oligomers: A Missing Link in Alzheimer's Disease Pathology?, invited perspective, J. Phys. Chem. B 125, 1307-1316 (2021). https://pubs.acs.org/doi/full/10.1021/acs.jpcb.0c07716
- B. Milorey, R. Schweitzer-Stenner, B. Andrews, H. Schwalbe, and B. Urbanc, Short Peptides as Predictors for the Structure of Polyarginine Sequences in Disordered Proteins, Biophys. J. 120, 662-676 (2021). https://www.cell.com/biophysj/fulltext/S0006-3495(21)00027-8
- S. Zhang, B. Andrews, R. Schweitzer-Stenner, and B. Urbanc, Intrinsic Conformational Dynamics of Alanine in Water/Ethanol Mixtures: An Experiment-Driven Molecular Dynamics Study, J. Phys. Chem. B 124, 11600-11616 (2020). https://pubs.acs.org/doi/full/10.1021/acs.jpcb.0c08245
- B. Andrews, S. Zhang, R. Schweitzer-Stenner, and B. Urbanc, Glycine in Water Favors the Polyproline II State, Biomolecules 10, 1121 (2020). https://www.mdpi.com/2218-273X/10/8/1121
- S. Zhang, R. Schweitzer-Stenner, and B. Urbanc, Do Molecular Dynamics Force Fields Capture Conformational Dynamics of Alanine in Water? J. Chem. Theor. Comput. 16, 510-527 (2020); J. Chem. Theor. Comput. 16, 5982 (2020). https://pubs.acs.org/doi/10.1021/acs.jctc.9b00588
- K. Long, T. L. Williams, and B. Urbanc, Insulin Inhibits Aβ42 Aggregation and Prevents Aβ42-Induced Membrane Disruption, Biochemistry 58, 4519-4529 (2019). https://pubs.acs.org/doi/10.1021/acs.biochem.9b00696
- S. Zhang, D. M. Fox, and B. Urbanc, Elucidating the Role of Hydroxylated Phenylalanine in Formation and Structure of Cross-Linked Aβ Oligomers, J. Phys. Chem. B 123, 1068-1084 (2019). https://pubs.acs.org/doi/10.1021/acs.jpcb.8b12120
- M. T. Mawhinney, R. Liu, F. Lu, J. Maksimoska, K. Damico, R. Marmorstein, Paul M. Lieberman, and B. Urbanc, CTCF-Induced Circular DNA Complexes Observed by Atomic Force Microscopy, J. Mol. Biol. 430, 759-776 (2018). https://doi.org/10.1016/j.jmb.2018.01.012
- M. T. Mawhinney, T. L. Williams, J. L. Hart, M. L. Taheri, and B. Urbanc, Elucidation of Insulin Assembly in Acidic and Neutral pH: Characterization of Low Molecular Weight Oligomers, Proteins: Structure, Functions, and Bioinformatics, 85, 2096-2110 (2017). http://onlinelibrary.wiley.com/doi/10.1002/prot.25365/full
- M. J. Voelker, B. Barz, and B. Urbanc, Fully-Atomistic Aβ40 and Aβ42 Oligomers in Water: Observation of Pore-Like Conformations, J. Chem. Theor. Comput. 13, 4567-4583 (2017). http://pubs.acs.org/doi/10.1021/acs.jctc.7b00495 Features cover art http://pubs.acs.org/toc/jctcce/13/9
- S. Zhang, D. M. Fox, and B. Urbanc, Insights Into Formation And Structure of Aβ Oligomers Cross-Linked Via Tyrosines, J. Phys. Chem. B 121, 5523-5535 (2017). http://pubs.acs.org/doi/full/10.1021/acs.jpcb.7b02495
- B. Urbanc, Perplexity of Amyloid β-Protein Oligomer Formation: Relevance to Alzheimer's Disease, Ch.1 in World Scientific Lecture and Course Notes in Chemistry, Biophysics and Biochemistry of Protein Folding and Aggregation: Experimental and Theoretical Studies on Folding, Misfolding, and Self-Assembly of Amyloidogenic Peptides, Eds. J.-M. Yuan and H.-X. Zhou, World Scientific, Singapore, Vol. 9, 1-50 (2017). Features Cover Art.
- B. Urbanc, Flexible N-Termini of Amyloid β-Protein Oligomers: A Link between Structure and Activity?, Special Issue on Amyloid Aggregation, Eds. Y. Miller and J. Straub, Israel J. Chem. 57, Issue 7-8, Special Issue SI, 651-664 (2017). http://dx.doi.org/10.1002/ijch.201600097
- M. Žganec, N. Kruczek, and B. Urbanc, Amino acid substitutions [K16A] and [K28A] distinctly affect amyloid β-protein oligomerization, J. Biol. Phys. 42, 453-476 (2016). http://link.springer.com/article/10.1007/s10867-016-9417-4
- T.L. Williams, L.C. Serpell, and B. Urbanc, Stabilization of Native Amyloid β-Protein Oligomers by Copper and Hydrogen Peroxide Induced Cross-Linking of Unmodified Proteins (CHICUP), Biochim. Biophys. Acta 1864, 249-259 (2016). [http://dx.doi.org/10.1016/j.bbapap.2015.12.001]
- T. L. Williams, B. Urbanc, K. E. Marshall, D. M. Vadukul, A. T. A. Jenkins, and L. C. Serpell, Europium as an inhibitor of Amyloid-β(1-42) induced membrane permeation, FEBS Lett. 589, 3228-3236 (2015). [http://www.sciencedirect.com/science/article/pii/S0014579315008765]
- D. Meral, S. Toal, R. Schweitzer-Stenner, and B. Urbanc, Water-Centered Interpretation of Intrinsic pPII Propensities of Amino Acid Residues: In Vitro-Driven Molecular Dynamics Study, J. Phys. Chem. B 119, 13237-13251 (2015). [https://pubs-acs-org.ezproxy2.library.drexel.edu/doi/10.1021/acs.jpcb.5b06281]
- D. Meral and B. Urbanc, Erratum to "Discrete Molecular Dynamics Study of Oligomer Formation by N-Terminally Truncated Amyloid β-Protein, [J. Mol. Biol. 425 (2013) 2260-2275], J. Mol. Biol., 427, 2726-2729 (2015). [http://www.sciencedirect.com/science/article/pii/S0022283615003551]
- M. Žganec, E. Žerovnik, and B. Urbanc, Self-assembly of globular protein stefin B into polymorphic oligomers probed by discrete molecular dynamics, J. Chem. Theor. Comput. 11 (5), 2355-2366 (2015). [http://pubs.acs.org/doi/abs/10.1021/acs.jctc.5b00067]
- M. Henderson, B. Urbanc, and L. Cruz, A Computational Model for the Loss of Neuronal Organization in Microcolumns, Biophys. J. 106, 2233-2242 (2014). [http://www.cell.com/biophysj/abstract/S0006-3495(14)00395-6]
- B. Barz and B. Urbanc, Minimal Model of Self-Assembly: Emergence of Diversity and Complexity, J. Phys. Chem. B 118, 3761-3770 (2014). [http://pubs.acs.org/doi/abs/10.1021/jp412819j] with a featured cover art [http://pubs.acs.org/subscribe/covers/jpcbfk/jpcbfk_v118i014.jpg?0.3463436017051379]
- A. Attar, D. Meral, B. Urbanc, and G. Bitan, Assembly of Amyloid β-Protein Variants Containing Familial Alzheimer's Disease-Linked Amino Acid Substitutions, Chapter 38 in Bio-nanoimaging: Protein Misfolding and Aggregation, Eds. V. Uversky and Y. Lyubchenko, Elsevier, Pages 429-442 (2014). [http://www.sciencedirect.com/science/article/pii/B9780123944313000389]
- D. Meral and B. Urbanc, Discrete Molecular Dynamics Study of Oligomer Formation by N-Terminally Truncated Amyloid β-Protein, J. Mol. Biol. 425, 2260-2275 (2013). [http://authors.elsevier.com/sd/article/S0022283613001575/]
- S. Toal, D. Meral, D. Verbaro, B. Urbanc, and R. Schweitzer-Stenner, The pH-Independence of Trialanine and the Effects of Termini Blocking in Short Peptides: A Combined Vibrational, NMR, UVCD, and Molecular Dynamics Study, J. Phys. Chem. B 117, 3689-3706 (2013). [http://pubs.acs.org/doi/abs/10.1021/jp310466b]
- M. Betnel, N.V. Dokholyan, and B. Urbanc, From disordered amyloid β-proteins to soluble oligomers and protofibrils using Discrete Molecular Dynamics, in Alzheimer's disease: Molecular basis of amyloid β-protein aggregation and cytotoxic aggregates from computer simulations, Molecular Medicine and Medicinal Chemistry 7, Part B, Ch. 12, 333-358, Ed. P. Derreumaux, Imperial College Press (2013). [http://www.worldscientific.com/doi/abs/10.1142/9781848167551_0012]
- J.-E. Shea and B. Urbanc, Insights into Aβ aggregation: A molecular dynamics perspective, in "Protein Misfolding in Conformational Disorders," Special Issue, Guest Ed. Claudio M. Gomes, Cur. Top. Med. Chem. 12, 2596-2610 (2012). [http://www.ncbi.nlm.nih.gov/pubmed/23339310/]
- B. Barz, B.S. Turner, R. Bansil, and B. Urbanc, Folding of Pig Gastric Mucin Non-glycosylated Domains: A Discrete Molecular Dynamics Study, J. Biol. Phys. 38, 681-703 (2012). [http://www.springerlink.com/content/c00455gj86274612/]
- L. Cruz, J. Srinivasa-Rao, D.B. Teplow, and B. Urbanc, Dynamics of Metastable β-Hairpin Structures in the Folding Nucleus of Amyloid β-Protein, J. Phys. Chem. B 116, 6311-6325 (2012). [http://pubs.acs.org/doi/abs/10.1021/jp301619v]
- B. Barz and B. Urbanc, Dimer Formation Enhances Structural Differences between Amyloid β-Protein (1-40) and (1-42): An Explicit-Solvent Molecular Dynamics Study, PLoS ONE 7, e34345 (2012). [http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0034345]
- J. S. Rao, B. Urbanc, and L. Cruz, Ch.16: Computational studies of folding and assembly of amyloidogenic proteins, in Folding, Misfolding and Nonfolding of Peptides and Small Proteins, Ed. R. Schweitzer-Stenner, John Wiley & Sons, Inc., Hoboken, NJ, USA; (2012). [http://onlinelibrary.wiley.com/doi/10.1002/9781118183373.ch16/summary/]
- A. Lam, D.B. Teplow, H.E. Stanley, and B. Urbanc, Erratum to Effects of the Arctic mutation on the full length amyloid β-protein folding: A discrete molecular dynamics study [J. Am. Chem. Soc. 130, 17413-17422 (2008)] J. Am. Chem. Soc. 133, 2789-2789 (2011). [[http://pubs.acs.org/doi/full/10.1021/ja111314d]]
- T.L. Williams, B.R.G. Johnson, B. Urbanc, A.T.A. Jenkins, S.D.A. Connell and L.C. Serpell, Alzheimer's Aβ42 oligomers, but not fibrils, simultaneously bind to and cause damage to ganglioside-containing lipid membranes, Biochem. J. 439, 67-77 (2011). [http://www.biochemj.org/bj/439/0067/bj4390067.htm]
- B. Urbanc, M. Betnel, L. Cruz, H. Li, E. Fradinger, B.H. Monien, and G. Bitan, Structural basis of Aβ1-42 toxicity inhibition by Aβ C-terminal fragments: Discrete molecular dynamics study, J. Mol. Biol. 410, 316-328 (2011). [http://www.sciencedirect.com/science/article/pii/S0022283611005717]
- H. Li, B.H. Monien, A. Lomakin, R. Zemel, E.A. Fradinger, M. Tan, S.M. Spring, B. Urbanc, C.W. Xie, G.B. Benedek, and G. Bitan, Mechanistic Investigation of the Inhibition of Aβ42 Assembly and Neurotoxicity by Aβ42 C-terminal Fragments, Biochemistry, 49, 6358-6364 (2010). [PDF] [Supporting Information]
- B. Urbanc, M. Betnel, L. Cruz, G. Bitan, and D.B. Teplow, Elucidation of amyloid β-protein oligomerization mechanisms: Discrete molecular dynamics study, J. Am. Chem. Soc. 132, 4266-4280 (2010). [PDF] [Supporting Information]
- H. Li, B.H. Monien, E.A. Fradinger, B. Urbanc, and G. Bitan, Biophysical Characterization of Aβ42 C-terminal Fragments--Inhibitors of Aβ Assembly and Neurotoxicity, Biochemistry 49, 1259-1267 (2010). [PDF]
- L. Cruz, D.L. Roe, B. Urbanc, A. Inglis, H.E. Stanley, and D.L. Rosene, Age-related reduction in microcolumnar structure correlates with cognitive decline in ventral but not dorsal area 46 of the rhesus monkey. Neuroscience 158, 1509-1520 (2009). [PDF]
- A. Lam, D.B. Teplow, H.E. Stanley, and B. Urbanc, Effects of the Arctic mutation on the full length amyloid β-protein folding: A discrete molecular dynamics study J. Am. Chem. Soc. 130, 17413-17422 (2008). [PDF]
- E. Fradinger, B.H. Monien, B. Urbanc, A. Lomakin, M. Tan, H. Li, S.M. Spring, M.M. Condron, L. Cruz, C.-W. Xie, G.B. Benedek and G. Bitan, C-terminal peptides coassemble into Aβ42 oligomers and protect neurons against Aβ42-induced neurotoxicity. Proc. Natl. Acad. Sci. USA 105, 14175-14180 (2008). [PDF] [Supporting Information]
- L. Cruz, B. Urbanc, A. Inglis, D.L. Rosene and H.E. Stanley, Generating a model of the three-dimensional spatial distribution of neurons using density maps. NeuroImage 40, 1105-1115 (2008). [PDF]
- A. Inglis, L. Cruz, D.L. Roe, H.E. Stanley, D.L. Rosene, and B. Urbanc, Automated identification of neurons and their locations. Journal of Microscopy 230, 339-347 (2008). [PDF]
- S. Yun, B. Urbanc, L. Cruz, G. Bitan, D.B. Teplow, and H.E. Stanley, Role of electrostatic interactions in amyloid β-protein oligomer formation: A discrete molecular dynamics study. Biophys. J. 92, 4064-4077 (2007). [PDF]
- D.B. Teplow, N.D. Lazo, G. Bitan, S. Bernstein, T. Wyttenbach, M.T. Bowers, A. Baumketner, J.-E. Shea, B. Urbanc, L. Cruz, J.M. Borreguero, and H.E. Stanley, Elucidating Amyloid β-protein Folding and Assembly: A Multidisciplinary Approach. Account of Chemical Research 39, 635-645 (2006). [PDF]
- A. Lam, B. Urbanc, J. M. Borreguero, N. D. Lazo, D. B. Teplow, and H. E. Stanley, Discrete Molecular Dynamics Study of Alzheimer Amyloid β-Protein (Aβ) Folding, Proceedings of The 2006 International Conference on Bioinformatics & Computational Biology, 322-328 (2006). [PDF]
- B. Urbanc, L. Cruz, D. B. Teplow, and H. E. Stanley, Computer simulations of Alzheimer's amyloid β-protein folding and assembly , invited review, Current Alzheimer Research, 3, 493-504 (2006). [PDF]
- B. Urbanc, J. M. Borreguero, L. Cruz, and H. E. Stanley, Ab initio discrete molecular dynamics approach to protein folding and aggregation, Methods in Enzymology 412, Ch.19, 314-338 (2006). [PDF]
- B. Urbanc and M. Cepic, Possible Isostructural Transitions in the Ferroelectric Liquid Crystals in High External Electric Fields , presented at the 20th International Liquid Crystal Conference, 4-9 July, 2004, Ljubljana (Slovenia), Mol. Cryst. Liq. Cryst. 438 , 41(1605)-46(1610) (2005). [PDF]
- L. Cruz, B. Urbanc, J. M. Borreguero, N. D. Lazo, D. B. Teplow, and H. E. Stanley, Molecular dynamics study of Aβ21-30: Solvent-Dependent Effects and Dutch Mutation Dynamics, Proc. Natl. Acad. Sci. USA 102, 18258-18263 (2005). [PDF] [Supporting Information]
- J. M. Borreguero, B. Urbanc, N. D. Lazo, S. V. Buldyrev, D. B. Teplow, and H. E. Stanley, Folding events in the 21-30 region of amyloid β-protein studied in silico, Proc. Natl. Acad. Sci. USA 102, 6015-6020 (2005). [PDF]
- L. Cruz, S. V. Buldyrev, S. Peng, D. L. Roe, B. Urbanc, H. E. Stanley, and D. L. Rosene, A Statistically Based Density Map Method for Identification and Quantification of Regional Differences in Microcolumnarity in the Monkey Brain, J. Neurosci. Methods 141, 321-332 (2005). [PDF]
- B. Urbanc, L. Cruz, S. Yun, S. V. Buldyrev, G. Bitan, D. B. Teplow, and H. E. Stanley, In silico study of amyloid β-protein folding and oligomerization, Proc. Natl. Acad. Sci. USA 101, 17345-17350 (2004). [PDF] [Supporting Information]
- L. Cruz, D. L. Roe, B. Urbanc, H. Cabral, H. E. Stanley, and D. L. Rosene, Age-related reduction in microcolumnar structure in area 46 of the rhesus monkey correlates with behavioral decline, Proc. Natl. Acad. Sci. USA 101, 15846-15851 (2004). [PDF]
- B. Urbanc, L. Cruz, F. Ding, D. Sammond, S. Khare, S. V. Buldyrev, H. E. Stanley, and N. V. Dokholyan, Molecular Dynamics Simulation of Amyloid-Beta Dimer Formation, Biophys. J. 87, 2310-2321 (2004). [PDF]
- S. Peng, F. Ding, B. Urbanc, S. V. Buldyrev, L. Cruz, H. E. Stanley, and N. V. Dokholyan, Discrete molecular dynamics simulations of peptide aggregation, Phys. Rev. E 69, 041908 (2004). [PDF]
- S. Peng, B. Urbanc, L. Cruz, B. T. Hyman, and H. E. Stanley, Neuron Recognition by Parallel Potts Segmentation, Proc. Natl. Acad. Sci. USA 100, 3847-3852 (2003). [PDF]
- B. Urbanc, L. Cruz, R. Le, J. Sanders, K. Hsiao-Ashe, K. Duff, H. E. Stanley, M. C. Irrizarry and B. T. Hyman, Neurotoxic Effects of Thioflavin S Positive Amyloid Deposits, Proc. Natl. Acad. Sci. USA 99, 13990-13995 (2002). [PDF]
- R. Le, L. Cruz, B. Urbanc, R. B. Knowles, K. Hsiao-Ashe, K. Duff, M. Irizarry H. E. Stanley,and B. T. Hyman, Plaque-induced abnormailities in neurite geometry in transgenic models of Alzheiemr's diseasae: implications for neural system disruption, J. Neuropath. Exp. Neurol. 60, 763-758 (2001). [PDF]
- S. V. Buldyrev, L. Cruz, T. Gómez-Isla, E. Gómez-Tortosa, S. Havlin, R. Le, H. E. Stanley, B. Urbanc and B. T. Hyman, Description of microcolumnar ensembles in association cortex and their disruption in Alzheimer and Lewy body dementias, Proc. Natl. Acad. Sci. USA 97, 5039-5043 (2000). [PDF]
- R. B. Knowles, C. Wyart, S. V. Buldyrev, L. Cruz, B. Urbanc, M. E. Hasselmo, H. E. Stanley, and B. T. Hyman, Plaque-Induced Neural Network Disruption in Alzheimer's Disease Proc. Natl. Acad. Sci. USA 96, 5274-5279 (1999). [PDF]
- B. Urbanc, L. Cruz, S. V. Buldyrev, S. Havlin, B. T. Hyman, and H. E. Stanley, Dynamic Feedback in an Aggregation-Disaggregation Model, Phys. Rev. E 60, 2120-2126 (1999). [PDF]
- B. Urbanc, L. Cruz, S. V. Buldyrev, S. Havlin, M. C. Irizarry, H. E. Stanley, and B. T. Hyman, Dynamics of Plaque Formation in Alzheimer Disease, Biophys. J. 76, 1330-1334, (1999). [PDF]
- H. E. Stanley, S. V. Buldyrev, L. Cruz, T. Gómez-Isla, S. Havlin, B. T. Hyman, R. Knowles, B. Urbanc and C. Wyart, Statistical Physics and Alzheimer's Disease [Proc. Bar-Ilan Conf], Physica A 249, 460-471 (1998). [PDF]
- B. Urbanc and L. Cruz, Order Parameter and Segregated Phases in a Sandpile Model with Two Particle Sizes, Phys. Rev. E 56, 1571-1579 (1997). [PDF]
- L. Cruz, B. Urbanc, S. V. Buldyrev, R. Christie, T. Gómez-Isla, S. Havlin, M. McNamara, H. E. Stanley, and B. T. Hyman, Aggregation and disaggregation of Senile Plaques in Alzheimer Disease, Proc. Natl. Acad. Sci. USA 94, 7612-7616 (1997). [PDF]
- B. Kutnjak-Urbanc, S. Havlin, H. E. Stanley, Temporal correlations in a one-dimensional sandpile model, Phys. Rev. E 54, 6109-6113 (1996). [PDF]
- B. Kutnjak-Urbanc, S. Zapperi, S. Miloševič, H. E. Stanley, Sandpile model on the Sierpinski gasket fractal, Phys. Rev. E 54, 272-277 (1996). [PDF]
- B. Kutnjak-Urbanc, B. Žekš, Phase excitation spectrum of ferroelectric liquid crystals in an external static electric field, Phys. Rev. E 52, 3892-3903 (1995). [PDF]
- B. Kutnjak-Urbanc, B. Žekš, Behavior of ferroelectric liquid crystals in external fields, Phys. Rev. E 51, 1569-1572 (1995). [PDF]
- B. Kutnjak-Urbanc, B. Žekš, Microscopic origin of spontaneous polarization in ferroelectric SmC* liquid crystals, Liq. Cryst. 18, 483-488 (1995).
- B. Žekš, T. Carlsson, I. Muševič, B. Kutnjak-Urbanc, Dielectric response of ferroelectric liquid crystals in bias electric field, Liq. Cryst. 15, 103-111 (1993).
- B. Kutnjak-Urbanc, B. Žekš, B. Rovšek, The influence of finite dimensions on the static ordering of the SmC* phase in an electric field, Liq. Cryst. 14, 999-1005 (1993).
- B. Kutnjak-Urbanc, B. Žekš, Theoretical investigation of the behavior of ferroelectric liquid crystals in a magnetic or in a high-frequency electric field, Phys. Rev. E 48, 455-464 (1993). [PDF]
- B. Kutnjak-Urbanc, B. Žekš, in Phase transitions in Liquid Crystals, edited by S. Martellucci and A. N. Chester, The phase transition from the SmC* to the SmC phase induced by an external magnetic field (Plenum, New York, 1992), Chap.23.
- B. Žekš, B. Urbanc, The microscopic model of polar and quadrupolar ordering in ferroelectric smectic C* liquid crystals, Ferroelectrics 113, 151-162 (1991).
- B. Urbanc, B. Žekš, T. Carlsson, Nonlinear effects in the dielectric response of ferroelectric liquid crystals, Ferroelectrics 113, 219-230 (1991).
- B. Urbanc, B. Žekš, Microscopic model of the spontaneous polarization in ferroelectric liquid crystals, Liq. Cryst. 5, 1075-1082 (1989).
- B. Žekš, T. Carlsson, C. Filipič, B. Urbanc, Thermodynamic model of ferroelectric liquid crystals and its microscopic basis, Ferroelectrics 84, 3-14 (1988).
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All original text and
graphics
Copyright ©
2010
by Brigita Urbanc.