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Recent Publications

Kerry A Trumble, I. Cozmuta, S. Sepka and P. Jenniskens, Post-flight Aerothermal Analysis of the Stardust Sample Return Capsule, 46th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 2008 (AIAA-2008-1201)
M. Stackpoole, I. Cozmuta, S. Sepka and D. Kontinos, Post-flight Evaluation of Stardust Sample Return Capsule Forebody Heatshield Material, 46th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 2008 (AIAA-2008-1202)
I. Cozmuta, Molecular mechanisms of gas-surface interactions in hypersonic flows, AIAA 39th Thermophysics Conference, Miami, FL, June 2007 (31Mb)
I. Cozmuta and H. Mehrez, DNA modeling within ab-initio and empirical methods, review article (invited), Journal of Theoretical and Computational Nanoscisnce, Vol. 4,1-35, 2007 (link)
I. Cozmuta, M. Blanco and W. A. Goddard, Gas Sorption and Barrier Properties of Polymeric Membranes from Molecular Dynamics and Monte Carlo Simulations, Journal of Physical Chemistry B, 111, 3151-3166, 2007 (link to JPCB)
I. Cozmuta, J. T. O'Keeffe, D. Bose and V. Stolc, Hybrid MD-Nernst Planck Model of Alpha Hemolysin Conductance Properties, Molelc. Sim. 31 (2-3), 2005 (3Mb)
I. Cozmuta and V. Stolc, Steered Molecular Dynamics Simulations for Rational Design of a Nanopore DNA Sequencer, Journal of Theoretical and Computational Nanoscience, in review
I. Cozmuta, M. Blanco and W. A. Goddard III, Exfoliation of clay for clay-polymer nanocomposites, in progres (link to pdf file)
I. Cozmuta, E. R. van der Graaf and R. J. de Meijer, Moisture Dependence of Rn Transport in concrete: measurements and modeling, Health Physics, vol. 85, no. 104, 2003 (300kB)
I. Cozmuta, E. R. van der Graaf and R. J. de Meijer, Methods for Measuring Diffusion Coefficients of Radon in Building Materials, Science of the Total Environment, vol. 272, no. 1-3, pp. 323-335, 2001 (link to pdf file)
I. Cozmuta, E.R. van der Graaf, R.J. de Meijer, Measurements of the radon-diffusion coefficient in concrete using a cylindrical geometry, KVI Annual Report 1998, Groningen, The Netherlands.
I. Cozmuta, E.R. van der Graaf, R.J. de Meijer, Moisture dependence of radon release from concrete, KVI Annual Report 2001, Groningen, The Netherlands.
I. Cozmuta, E.R. van der Graaf, R.J. de Meijer, Radon reduction by surface covering: a new approach, KVI Annual Report 2000, Groningen, The Netherlands.
I. Cozmuta, E.R. van der Graaf, R.J. de Meijer, Modeling concrete's structural parameters, KVI Annual Report 2000, Groningen, The Netherlands.
I. Cozmuta, E.R. van der Graaf, R.J. de Meijer, Experimental study on the moisture dependence of radon-release rates of concrete, KVI Annual Report 1999, Groningen, The Netherlands.
I. Cozmuta, E.R. van der Graaf, R.J. de Meijer, Concrete composition and radon release, KVI Annual Report 1999, Groningen, The Netherlands.
I. Cozmuta, E.R. van der Graaf, R.J. de Meijer, Radon exhalation of building materials: effect of surface covering, KVI Annual Report 1997, Groningen, The Netherlands.

Technical Reports

I. Cozmuta and V. Stolc, Ionic signature of nanopores: initial assessment for protein channels, Stanford Internal Report, March 2003.
I. Cozmuta, M. Blanco and W. A. Goddard, Wax formation and inhibition, Chevron Corporation Quarterly Report, April 2002.
I. Cozmuta, M. Blanco and W. A. Goddard, Multi-scale, Hierarchical Modeling of Membrane Barrier Properties: Clay-Surfactant Exfoliation Properties and PDDA/Clay Nanocomposite Structure and Dynamics, Avery Dennison Quarterly Report, January 2002.
I. Cozmuta, M. Blanco and W. A. Goddard, Insight into the process of nucleation of small alkanes, Chevron Corporation Quarterly Report, October 2001.
A. Strachan, I. Cozmuta, M. Blanco and W. A. Goddard, Multi-scale, hierarchical modeling of membrane barrier properties: Kinetic Monte Carlo studies of Gas Diffusion in Polymers and A New Force Field for the Modeling of Clay Nanocomposites, Avery Dennison Quarterly Report, August 2001.
A. Strachan, I. Cozmuta, R. Niemer, M. Blanco and W. A. Goddard, Multi-scale, Hierarchical Modeling of Membrane Barrier Properties: MD/Monte Carlo Method for the Estimation of Henry's Solubility Constants and Gas Diffusivities in Polymers, Avery Dennison Quarterly Report, September 2000.
A. Strachan, I. Cozmuta, R. Niemer, Y. Zhou, M. Blanco and W. A. Goddard, Multi-scale, Hierarchical Modeling of Membrane Barrier Properties, Avery Dennison Quarterly Report, July 2000.
I. Cozmuta, E. R. van der Graaf and R. J. de Meijer, Moisture dependence of radon transport in concrete: measurements and modeling, KVI Internal Report, R124, pp. 1-35, December 2002.
I. Cozmuta and E. R. van der Graaf, Modeling radon transport in concrete, KVI Internal Report, R120, pp. 1-56, April 2001.
I. Cozmuta, M van der Pal and E. R. van der Graaf, Calibration of the NGD-KVI porosimeter and results of initial experiments on aerated concrete samples from TUE, KVI Internal Report, S75, pp. 1-20, February 2001.
E. R. van der Graaf and I. Cozmuta, NEN5699: Radon Exhalation Rate Intercomparison Results of NGD-KVI, KVI Internal Report, R119, pp. 1-6, December 1999.
E. R. van der Graaf and I. Cozmuta, Determination of the radon permeability of three membranes received from HYPLAST NV, KVI Internal Report, S56, pp. 1-15, June 1999.
E. R. van der Graaf, I. Cozmuta and R. J. de Meijer, The influence of 1) dimensions and 2) effectiveness of four-sided coverage of concrete test cubes on the determination of their exhalation rates, KVI Internal Report, R110, pp. 1-116, May 1999.
I. Cozmuta and E. R. van der Graaf, Methods for measuring diffusion coefficients of radon in building materials, KVI Internal Report, R105, pp. 1-28, April 1999.
E. R. van der Graaf and I. Cozmuta, Determination of radon release rate and activity concentrations of natural radionuclides in cellular concrete from the radon cylinder at TUE, KVI Internal Report, S54, pp. 1-7, April 1999.
E. R. van der Graaf and I. Cozmuta, ERRICCA: Radon Exhalation Rate Intercomparison Results of NGD-KVI, KVI Internal Report, R111, pp. 1-5, March 1999.
E. R. van der Graaf, I. Cozmuta, W. H. van der Spoel and R. J. de Meijer, Calibration of the KVI instrument to measure radon exhalation rates from building materials under controlled conditions, KVI Internal Report, R99, pp. 1-46, March 1998.

Conference publications

I. Cozmuta, Molecular mechanisms of gas-surface interactions in hypersonic flows, AIAA Thermophysics Conference, Miami, 2007 I. Cozmuta and V. Stolc, Fast MD scanning method for surface derivatization of a protein ring sequencer, Proceedings of the Biophysical Society Meeting, Salt Lake City, UT, 2006.
I. Cozmuta, J. T. O'Keeffe, D. Bose and V. Stolc, Hybrid MD-PNP simulations of the alpha hemolysin open channel ionic current, Proceedings of the Nanotechnology Conference NSTI, Nanotech, vol. 1, pp. 148, 2004 (pdf)
I. Cozmuta, J. T. O'Keeffe, D. Bose and V. Stolc, Molecular Dynamics Approach to Calculate Alpha-Hemolysin ion Currents, Proceedings of the Biophysical Society Meeting, Baltimore, MD, 2004 (ppt)
I. Cozmuta, M. Brock, J. T. O'Keeffe and Viktor Stolc, Nanopore sensors for detection and analysis of biological polymers, Proceedings of the DARPA PI meeting, Monterey, CA, September 2003.
I. Cozmuta, J. T. O'Keeffe, D. Bose and V. Stolc, Towards an MD Simulation of Ion Currents in the Alpha-Hemolysin Channel, Proceedings of the IEEE-Nano 2003, Third IEEE Conference on Nanotechnology, San Francisco, CA, 2003 (pdf)
J. T. O'Keeffe, I. Cozmuta and V. Stolc, Polymer Translocation through a Nanopore: A Geometry Dependence Study, Proceedings of the IEEE-Nano 2003, Third IEEE Conference on Nanotechnology, San Francisco, CA, 2003 (pdf)
I. Cozmuta, J. T. O'Keeffe and Viktor Stolc, Ionic signature of the alpha hemolysin channel, Proceedings of the DARPA PI meeting, Santa Barbara, CA, February, 2003.
I. Cozmuta and Viktor Stolc, Ionic signature of Nanopores, Proceedings of the DARPA PI meeting, Portland, OR, August 2002.
I. Cozmuta, A. Strachan, M. Blanco and W. A. Goddard III, Exfoliation of Montmorillonite for Clay Nanocomposites, Proceedings of the MSC 2002 Conference, Caltech, Pasadena, CA, 29-30 March 2002.
I. Cozmuta, E.R. van der Graaf, Modeling radon transport in concrete, Proceedings of the MSC 2001 Conference, Caltech, Pasadena, CA, 29-30 March 2001.
I. Cozmuta, E.R. van der Graaf, Aspects of radon transport in concrete, Proceedings of the MSC 2000 Conference, Caltech, Pasadena, CA, 23-24 March 2000.
I. Cozmuta, E.R. van der Graaf, Effects of surface covering on radon exhalation rates from concrete, Proceedings of the AARST International Radon Symposium, 14-16 September 1998, Cherry-Hill, NJ.
I. Cozmuta and J. Ferenczi, Radioactivity, a geological chronometer, Proceedings of the National Physics Conference, Baia Mare, Romania, 1996.
I. Cozmuta and J. Ferenczi, The second cosmic velocity and some parameters of neutronical stars, Proceedings of the National Physics Conference, Baia Mare, Romania, 1995.