Toan Nguyen
(404) 555-5555

Ph.D., University of Minnesota, 2002


Member for
6 years 3 months
Research Interests: 

Theoretical Soft Condensed Matter Physics and Biophysics

 Theoretical Soft Condensed Matter Physics and Biophysics :

Electrostatic interactions in soft matters (polyelectrolytes, charged colloids and membranes) and in biological systems. Electrostatic correlation effects with multivalent counterions. DNA condensation, DNA-protein bindings, RNA and DNA packaging, condensation inside viruses. Thermodynamics and kinetics of macromolecule assembly processes (DNA bundles, RNA folding, colloidal suspension, monolayer assembly).

Fundings: NSF, GT Junior faculty support

Professional Title: 
Adjunct Assistant Professor
Profile: Roles: 
Papers Block: 


  1. SeIl Lee, C. V. Tran, and T. T. Nguyen, Inhibition of DNA ejection from bacteriophages by Mg+2 counterions,
    J. Chem. Phys. 134 (2011) 125104.
  2. SeIl Lee, Tung T. Le, and T. T. Nguyen,Reentrant Behavior of Divalent-Counterion-Mediated DNA-DNA Electrostatic Interaction, Phys. Rev. Lett. 105 (2010) 248101.
  3. R. Zhang, and T. T. Nguyen, A model of HIV budding and self-assembly, role of cell membranePhys. Rev. E 78 (2008) 051903.
  4. D. G. Angelescu, P. Linse, T. T. Nguyen, R. F. Bruinsma, Structural transitions of encapsidated polyelectrolytesEur. Phys. J. E, 25(2008) 323.
  5. SeIl Lee, and T. T. Nguyen, Radial distribution of RNA genome packaged inside spherical viruses Phys. Rev. Lett. 100 (2008) 198102.
  6. U. Raviv, T. T. Nguyen, R. Ghafouri, D. J. Needleman, Y. Li, H. P. Miller, L. Wilson, R. F. Bruinsma, and C. R. Safinya, Microtubule protofilament number is modulated in a step-wise fashion by the charge density of an enveloping layerBiophys. J. 92 (2007) 278.
  7. T. T. Nguyen, and R. F. Bruinsma, RNA condensation and the wetting transition, Phys. Rev. Lett., 97 (2006) 108102.
  8. T. T. Nguyen, R. F. Bruinsma, and W. M. Gelbart, Continuum theory of retroviral capsids, Phys. Rev. Lett., 96 (2006) 078102.
  9. T. P. Bigioni, X.-M. Lin, T. T. Nguyen, E. I. Corwin, T. A. Witten, and H. M. Jaeger, Kinetically driven self assembly of highly ordered nanoparticle monolayersNature Materials 5, (2006) 265.
  10. T. T. Nguyen, R. F. Bruinsma, and W. M. Gelbart, Elasticity theory and shape transitions of viral shellsPhys. Rev. E, 72 (2005) 051923.
  11. T. T. Nguyen, A. Gopal, K. Y. C. Lee, and T. A. Witten, Surface charge relaxation and the pearling instability of charged surfactant tubes,Phys. Rev. E, 72 (2005) 051930.
  12. K. Elteto, E. G. Antonyan, T. T. Nguyen, and H. M. Jaeger, Model for the onset of transport in systems with distributed thresholds for conductionPhys. Rev. B, 71 (2005) 064206.
  13. T. T. Nguyen, and B. I. Shklovskii, Model of inversion of DNA charge by a Positive polymer: Fractionization of the Polymer ChargePhys. Rev. Lett., 89 (2002) 018101.
  14. T. T. Nguyen, and B. I. Shklovskii, Persistence length of a polyelectrolyte in salty water: A Monte-Carlo studyPhys. Rev. E, 66 (2002) 021801.
  15. T. T. Nguyen, and B. I. Shklovskii, Kinetics of macroion coagulation induced by multivalent counterionsPhys. Rev. E, 65 (2002) 031409.
  16. A. Yu. Grosberg, T. T. Nguyen, and B.I. Shklovskii, Low temperature physics at room temperature in water: Charge inversion in chemical and biological systemsRev. Mod. Phys., 74 (2002) 329.
  17. T. T. Nguyen, and B. I. Shklovskii. A model of inversion of DNA charge by a positive polymer: fractionization of the polymer charge.Physica A, 310 (2002) 197.
  18. T. T. Nguyen, B. I. Shklovskii. Complexation of DNA with positive spheres: phase diagram of charge inversion and reentrant condensation,J. Chem. Phys., 115 (2001) 7298.
  19. T. T. Nguyen, and B. I. Shklovskii, Adsorption of multivalent ions on a charged surface: Oscillating inversion of chargePhys. Rev. E, 64(2001) 041407.
  20. T. T. Nguyen, and B. I. Shklovskii, Complexation of a polyelectrolyte with oppositely charged spherical macroions: Giant inversion of chargeJ. Chem. Phys., 114 (2001) 5905.
  21. T. T. Nguyen, and B.I. Shklovskii, Overcharging of a macroion by an oppositely charged polyelectrolyte. Physica A, 293 (2001) 324.
  22. T. T. Nguyen, A. Yu. Grosberg, and B. I. Shklovskii, Screening of a charged particle by multivalent counterions in salty water: Giant charge inversionJ. Chem. Phys., 113 (2000) 1110.
  23. T. T. Nguyen, A. Yu. Grosberg, and B. I. Shklovskii, Charged surface in salty water with multivalent ions: Giant inversion of chargePhys. Rev. Lett., 85 (2000) 1568.
  24. T. T. Nguyen, I. Rouzina, and B. I. Shklovskii, Reentrant Condensation of DNA induced by Multivalent CounterionsJ. Chem. Phys., 112(2000) 2562.
  25. T. T. Nguyen, I. Rouzina, and B. I. Shklovskii, Negative electrostatic contribution to the bending rigidity of charged membranes and polyelectrolytes screened by multivalent counterions. Phys. Rev. E, 60 (1999) 7032.
  26. B. Q. Nguyen, T. T. Nguyen, N. Chhoumm, and P. C. Tran, The theory of absorption of a weak electromagnetic wave by free electrons in semiconductor superlattices. Communications in Physics, 6 (1996) 33.
  27. B. Q. Nguyen, T. T. Nguyen, and N. Chhoumm, The absorption of a weak electromagnetic wave by free electrons in semiconductor superlattices in the presence of a quantizing magnetic field. J. Sci. of Vietnam National University, Hanoi, 12 (1996) 43.


Honors and Awards Block: 
Aneesur Rahman Prize awarded by the School of Physics and Astronomy, the University of Minnesota, 2002.
Doctoral Dissertation Fellowship awarded by the Graduate School, the University of Minnesota, 2001.
First prize "Student - Scientific Researching" and "Diploma of Merit" awarded by Minister of Education and Training, 1994.
Second prize "Informatics Olympic of Students" organized by Vietnam Informatics Society and Vietnam national Union of students, 1993.
GenPacific scholarship granted in 1992 by Vietnam National Union of Students for Outstanding achievement in studying and exerting.
Book Chapters Block: 


  1. B. Sierra-Martin, J. J. Lietor-Santos, A. Fernandez-Barbero, T. T. Nguyen, A. Fernandez-Nieves, Swelling thermodynamics of microgel particles. In: Microgels Suspensions - Fundamentals and Applications, Editors: A. Fernandez-Nieves, H. M. Wyss, J. Mattsson, D. A. Weitz (Wiley-VCH Verlag & Co. KGaA, 2011).
  2. T. T. Nguyen, A. Yu. Grosberg, and B.I. Shklovskii. Screening and giant charge inversion in electrolytes. in More is different., edited by N. P. Ong and R. N. Bhatt, Princeton University Press, Princeton and Oxford (2001), p. 285.
  3. T. T. Nguyen, A. Yu. Grosberg, and B. I. Shklovskii, Lateral correlation of multivalent counterions is the universal mechanism of charge inversion. in Electrostatic effects in Soft Matter and Biophysics., Proceedings of the NATO Advanced Study Institute, Les Houches, France, 1-13 October 2000, ed. by C. Holm, P. Kékicheff, and R. Podgornik, NATO SCIENCE SERIES: II: Mathematics, Physics and Chemistry, Volume 46, Kluwer Academic Publishers, Dordrecht.