Peer-Reviewed Journal Articles


Note: Undergraduate student coauthors are marked with *. Graduate student coauthors are marked with **.

2015

  1. Oprisan A, Oprisan SA, Hegseth JJ, Garrabos Y, Lecoutre C, Beysens D (2015) Direct imaging of long-range concentration fluctuations in a ternary mixture, The European Physical Journal E 38 (17): 1-9.

2014

  1. Oprisan A, Oprisan SA, Hegseth JJ, Garrabos Y, Lecoutre-Chabot C, Beysens D (2014) Dimple coalescence and liquid droplets distributions during phase separation in a pure fluid under microgravity, The European Physical Journal E Soft Matter, 37(9): 41.
  2. Oprisan A., Oprisan S.A. (2014) Quantitative estimates of the electric charge for a classical electrostatics experiment, Eur. J. Phys. 35(5): 055001.
  3. Hegseth J.J., Oprisan A., Garrabos Y., and Beysens D. (2014) Imaging critical fluctuations of pure fluids and binary mixtures, Physical Review E 90: 022127.

2013

  1. Oprisan A, Payne AL* (2013) Dynamic shadowgraph experiments and image processing techniques for investigating non-equilibrium fluctuations during free diffusion in nanocolloids, Optics Communications, 290: 100-106.

2012

  1. Oprisan A, Oprisan SA, Bayley B*, Hegseth JJ, Garrabos Y, Lecoutre-Chabot C, and Beysens D (2012) Dynamic structure factor of density fluctuations from direct imaging very near above and below the critical point of SF6, Physical Review E 86: 061501.

2011

  1. Oprisan A, Hegseth JJ, Smith M*, Garrabos Y, Lecoutre-Chabot C, and Beysens D (2011) Dynamics of a wetting layer and Marangoni convection in microgravity, Physical Review E 84: 021202.

2010

  1. Oprisan A, Oprisan SA, Teklu A (2010) Experimental study of nonequilibrium fluctuations during free diffusion in nanocolloids using microscopic techniques, Applied Optics 49(1): 86-98.

2008

  1. Oprisan A, Oprisan SA, Hegseth JJ, Garrabos Y, Lecoutre-Chabot C, and Beysens D (2008) Universality in early-stage growth of phase-separating domains near the critical point, Physical Review E 77:051118.
  2. Hegseth JJ, Oprisan A, Garrabos Y, Lecoutre-Chabot C, Nikolayev VS, and Beysens D (2008) Near-critical fluid boiling: overheating and wetting films, Europhysics Journal E/EDP Sciences Journals 26345-353.

2006

  1. Oprisan SA, and Oprisan A (2006) A computational model of oncogenesis using systemic approach, Axiomathes, 16, pp. 155-163.

2005

  1. Hegseth JJ, Oprisan A, Garrabos Y, Nikolayev VS, Lecoutre-Chabot C, and Beysens D (2005) Wetting film dynamics during evaporation under weightlessness in a near-critical fluid , Phys. Rev. E, 72, 031602.
  2. Oprisan SA, and Oprisan A (2005) Stability criterion for fully synchronized state of periodic networks, Romanian Reports in Physics, 57(4), pp. 649-657.
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Conference Proceedings


2015

  1. Oprisan A and Oprisan SA, Modern tools for active student engagement: how effective isonline homework? Proceeding of 2nd International Conference on Engineering and Tech. Education (ETE '15), Seoul, South Korea, September 5-7, 2015.

2012

  1. Oprisan A, Low coherence interferometry experiments and image processing techniques for investigating non-equilibrium fluctuations during free diffusion in nanocolloids, submitted to Fluid Phase Equilibria, 18 Symposium on Thermophysical Properties, Boulder, Colorado, June 24-29, 2012.

2011

  1. Oprisan A, Oprisan SA, Teklu A, Hegseth JJ, Estimate effective interaction potentials from the static structure factor in pure fluids and nanocolloids, NanoTech conference proceeding, Boston, NSTI-Nanotech 2011,Vol 1, 2011.

2010

  1. Oprisan A, Oprisan SA, and Teklu A, Dynamics of intermediate to late stage concentration fluctuations during free diffusion experiments, NanoTech conference, Anaheim-CA, June 2010.
  2. Oprisan A, Bayley B*, Hegseth JJ, Oprisan SA, Garrabos Y, Lecoutre C, Beysens D, Thermal fluctuation exponents for two near-critical point systems, SPIE meeting, 5-9 April, 2010, Orlando Florida.

2009

  1. Oprisan A, Hegseth JJ, Oprisan SA, Garrabos Y, and Beysens D, Methods for Finding the Position of a Critical Point Using Image Analysis Techniques, 17 Symposium on Thermophysical Properties, Boulder, Colorado, June 22-27, 2009.

2008

  1. Oprisan A, Oprisan SA, Hegseth JJ, Garrabos Y, Lecoutre-Chabot C, and Beysens D, Finding the temperature using image analysis techniques, SPIE, Optics and Photonics, Mathematics of Data/Image Pattern Recognition, Compression, and Encryption with Applications XI. Edited by Schmalz, Mark S.; Ritter, Gerhard X.; Barrera, Junior; Astola, Jaakko T. Proceedings of the SPIE, Volume 7075:70750N-70750N-12, 2008.

2004

  1. Oprisan SA and Oprisan A, Phase space singularities of neural oscillators determine the structure of the phase-resetting curve, ISIS: International Symposium on Interdisciplinary Science, Natchitoches, LA, October 6-8, in AIP Conference Proceedings Volume 755, pp. 198-203, 2004.
  2. Oprisan SA and Oprisan A,Computational Model of Population Dynamics Based on the Cell Cycle and Local Interactions, ISIS: International Symposium on Interdisciplinary Science, Natchitoches, LA, October 6-8, in AIP Conference Proceedings Volume 755, pp. 198-203, 2004.

2003

  1. Oprisan A, Hegseth JJ, Garrabos Y, and Beysens D, Moving contact lines in heated liquid film, Fourteenth Symposium on Thermophysical Properties, Boulder, Colorado, June 22-27, 2003.

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Conference Abstracts


2015

  1. Rice A* and Oprisan A, Direct Imaging of Non-Equilibrium Fluctuations of Nanocolloids in the Presence of Magnetic Field, SACS-AAPT, The Citadel, October 2015.
  2. Fraley L*, Oprisan SA, and Oprisan A, Spatial-temporal evolution of non-equilibrium fluctuations and correlation functions, SACS AAPT, The Citadel, October 2015.
  3. Oprisan A and Oprisan SA, A studio physics class model for science teachers, SACS-AAPT, The Citadel, October 2015.
  4. Oprisan A and Oprisan SA, Integrating teaching and research-a high impact teaching and learning strategy, SACS-AAPT, The Citadel, October 2015.
  5. Oprisan A, Fraley L*, Masse D*, and Oprisan SA, Direct Imaging of Non-Equilibrium Fluctuations during Free Diffusion in Nanocolloids, Nineteenth Symposium on Thermophysical Properties, Boulder, Colorado, 2015.
  6. Fraley L*, Oprisan SA, and Oprisan A, Spatial-temporal evolution of non-equilibrium fluctuations and correlation functions, SURF Poster Session, College of Charleston, August 19, 2015.
  7. Rice A* and Oprisan A, Investigating non-equilibrium fluctuations in nancolloids in the presence of magnetic field using direct imaging. SURF Poster Session, College of Charleston, August 19, 2015.
  8. Oprisan A and Oprisan SA, If a picture is worth a thousand words, then how much more is a video worth? South Atlantic Section American Association of Physics Teachers Conference, Atlanta, GA, April 10-11, 2015.

2014

  1. Oprisan SA and Oprisan A, Acoustic method for the coefficient of restitution measurement: South Atlantic Section-American Association of Physics Teachers, Charleston, October 25, 2014.
  2. Frayley L* and Oprisan A, SACS-AAPT Poster Session, College of Charleston, October 25, 2014
  3. Lincoln Frayley* and Oprisan A, Direct imaging of concentration-induced fluctuations in nanocolloids, SURF Poster Session, College of Charleston, August 18, 2014.
  4. Oprisan A, Oprisan SA, Hegseth JJ, Lecoutre-Chabot C, Garrabos Y, Beysens D, Structure factor and correlation time of long-range density fluctuations in binary mixture from direct imaging, IMT 11, Bayonne, France, June 2014.
  5. Masse D* and Oprisan A, Using shadowgraph method to investigate concentration-driven fluctuations in gold, silver, and silica colloidal suspensions, SSM Poster Session, College of Charleston, April 17, 2014.
  6. Masse D* and Oprisan A, Using shadowgraph method to investigate concentration-driven fluctuations in gold, silver, and silica colloidal suspensions, Department of Physics and Astronomy Poster Session, College of Charleston, April 11, 2014.
  7. Masse D* and Oprisan A, Using shadowgraph method to investigate concentration-driven fluctuations in gold, silver, and silica colloidal suspensions, SCAS, Trident Technical College, April 05, 2014.

2013

  1. Oprisan SA and Oprisan A ,Investigating the conservation of energy in real time, SACS-AAPT Fall Meeting, Furman University, SC, October 25-26, 2013.
  2. Oprisan A and Oprisan SA, Measuring electric charge in real time, SACS-AAPT Fall Meeting, Furman University, SC, October 25-26, 2013.
  3. Masse D* and Oprisan A, Free diffusion experiments in colloidal suspension, SURF Poster Session, College of Charleston, August 19, 2013.
  4. Payne A* and Oprisan A, Dynamic shadowgraph experiments and image processing techniques for investigating free diffusion in nanocolloids, College of Charleston, SSM poster session, April 2013.
  5. Payne A* and Oprisan A, Concentration Fluctuations in Nanocolloidal Suspensions, SCAS, Columbia, March, 2013.
  6. Payne A* and Oprisan A, Dynamics of concentration fluctuations in~nanocolloidal suspensions, APS March Meeting, Baltimore, Maryland, March 18–22, 2013.

2012

  1. Payne A* and Oprisan A, Low coherence interferometry experiments and image processing techniques for investigating non-equilibrium fluctuations during free diffusion in nanocolloids SURF Poster Session, College of Charleston, August 20, 2012.
  2. Oprisan A, Bayley B*, Oprisan SA, Hegseth JJ, Garrabos Y, Lecoutre-Chabot C, and Beysens D, Dynamic structure factor and correlation time of long-range density fluctuations during early stage of phase separation from direct imaging, 18 Symposium on Thermophysical Properties, Boulder, Colorado, June 24-29, 2012.
  3. Oprisan A, Low coherence interferometry experiments and image processing techniques for investigating non-equilibrium fluctuations during free diffusion in nanocolloids, 18 Symposium on Thermophysical Properties, Boulder, Colorado, June 24-29, 2012.
  4. Wise C*, Oprisan A, Oprisan SA, Hegseth JJ, Garrabos Y, Lecoutre-Chabot C, and Beysens D (2012) Dynamics of phase separation of sulfur hexafluoride in microgravity, APS March Meeting, Boston, MA, 2012.
  5. Wise C*, Oprisan A, Hegseth JJ, Garrabos Y, Lecoutre-Chabot C, and Beysens D (2012) Studying coalescence events during the late stage of phase separation, SCAS, Aiken, SC April 2012.
  6. Wise C*, Oprisan A, Hegseth JJ, Garrabos Y, Lecoutre-Chabot C, and Beysens D (2012) Phase Separation Dynamics of Sulphur Hexafluoride in Microgravity, School of Sciences and Mathematics Scientific Research Poster Session, College of Charleston, April 2012.

2011

  1. Wise C* and Oprisan A, Late Stage Phase Separation in Sulfur Hexafluoride, School of Sciences and Mathematics Scientific Research Poster Session, College of Charleston, April 2011.

2010

  1. Bayley B*, Oprisan A, Hegseth JJ, Beysens D, Lecoutre C, and Garrabos Y, Similarities between fluctuations observed in microgravity near critical point and density matching mixtures on Earth, South Carolina Academy of Science Annual Meeting, Charleston, SC, April 2010.
  2. Bayley B*, Oprisan A, Hegseth JJ, Oprisan SA, Beysens D, Lecoutre C, and Garrabos Y, Thermal fluctuation exponents for two near-critical point systems, School of Sciences and Mathematics Scientific Research Poster Session, College of Charleston, April 23, 2010.
  3. Papageorge J*, Oprisan A, Hegseth JJ, Beysens D, Lecoutre C, and Garrabos Y, Late Stage Phase Separation of Pure Fluids Near Critical Point, School of Sciences and Mathematics Scientific Research Poster Session, College of Charleston, April 23, 2010.
  4. Oprisan A and Oprisan SA, Determine RC time constant with a charge sensor, SACS-AAPT Spring 2010, University of South Carolina? Aiken, March 19-20, 2010.
  5. Oprisan SA and Oprisan A, Determination of Planck's constant using photoelectric effect with monochromatic light emitting diodes sources, SACS-AAPT Spring 2010, University of South Carolina? Aiken, March 19-20, 2010.

2009

  1. Bayley B*, Oprisan A, Hegseth JJ, Beysens D, and Garrabos Y, Direct imaging of critical fluctuations in pure fluids and binary mixture, SURF Poster Session, College of Charleston, August 24 2009.
  2. Smith G*, Oprisan A, Oprisan SA, Hegseth JJ, Garrabos Y, and Beysens D, Phase Separation and Wetting Layer Effects in Near Critical Sulfur Hexafluoride, South Carolina Academy of Science, Columbia, SC, April 2009.
  3. Smith G*, Oprisan A, Oprisan SA, Hegseth JJ, Garrabos Y, and Beysens D, Cluster Analysis, Wetting Layer Growth, and Droplet Formation in Near Critical Sulfur Hexafluoride, School of Sciences and Mathematics Scientific Research Poster Session, College of Charleston, April 2009.
  4. Oprisan A, Oprisan SA, Teklu A, Hegseth JJ, Garrabos Y, and Beysens D, Searching for a possible universal character of non-equilibrium fluctuations, APS March Meeting, Pittsburg, PA, 2009.
  5. Smith G*, Oprisan A, Oprisan SA, Hegseth JJ, Garrabos Y, and Beysens D, Using Image Processing Techniques for Cluster Analysis, and Droplet Formation in Phase Separating Fluids, APS March Meeting, Pittsburg, PA, 2009.
  6. Fox S**, Oprisan A and Harrison G, Robotics Curriculum: CE Williams Middle School for Creative and Scientific Arts, College of Charleston, Graduate School Poster Session, January 2009.
  7. Smith G*, Oprisan A, Hegseth JJ, Oprisan SA, Garrabos Y, and Beysens D, Image Processing Techniques Applied to Study Phase Separation in Microgravity, 17 Symposium on Thermophysical Properties, Boulder, Colorado, June 22-27, 2009.

2008

  1. Oprisan A, Oprisan SA, Hegseth JJ, Garrabos Y, Lecoutre-Chabot C, and Beysens D, Finding the temperature using image analysis techniques, SPIE, Optics and Photonics, San Diego, CA, August 10-14, 2008.
  2. Towne P**, Oprisan A, Wallace A, and Harrison G, Sixth Graders Using Physics, SACS-AAPT April Meeting, Gainesville, GA, April 2008.
  3. Oprisan A and Oprisan SA, What strategies are used to solve online homework assignments, SACS-AAPT April Meeting, Gainesville, GA, April, 2008.
  4. Oprisan SA and Oprisan A, Object-oriented programming for non-programmers with AgentSheets, SACS-AAPT April Meeting, Gainesville, GA, April, 2008.
  5. Oprisan A, Smith G.*, Oprisan SA, Hegseth JJ, Garrabos Y, Lecoutre-Chabot C, and Beysens D, Critical fluctuations and phase separation in pure fluid, APS March Meeting, New Orleans, LA, March 10-14, 2008.
  6. Oprisan A, Oprisan SA, and Teklu A, Imaging density Fluctuations in Liquids Using Schlieren Photographic Technique, APS March Meeting, New Orleans, LA, March 10-14, 2008.
  7. Oprisan A, Oprisan SA, and Hegseth JJ, A novel method of finding the position of critical point using image analysis techniques, The 6th International Conference on Computing, Communications and Control Technologies, Orlando, June 29th - July 2nd, 2008.
  8. Smith G*, Oprisan A, Oprisan SA, Hegseth J, Garrabos Y, and Beysens D, Image analysis techniques in phase separation images recorded in microgravity, South Carolina Academy of Science Annual Meeting, Clemson, March, 18, 2008.
  9. Smith G*, Oprisan A, Oprisan Sa, Hegseth JJ, Garrabos Y, and Beysens D, Texture Analysis of Phase Separation Images Recorded in Microgravity , School of Sciences and Mathematics Scientific Research Poster Session, College of Charleston, April 11, 2008.

2007

  1. Oprisan A, Oprisan SA, and Hegseth JJ, Computational techniques for quantitative characterization of critical fluctuations in binary fluids, 2007 APS April Meeting, Jacksonville, Florida, April 14-17, 2007.
  2. Oprisan SA and Oprisan A, Predicting neural network firing pattern from phase resetting curve, 2007 APS April Meeting, Jacksonville, Florida, April 14-17, 2007.

2006

  1. Oprisan A and Hegseth JJ, Direct microscopic observations of fluctuations near critical point, APS March Meeting 2006 March 13-17, Baltimore, MD.
  2. Oprisan SA and Oprisan A, Phase space singularities of neural oscillators determine the structure of the phase-resetting curve, 36th Annual Meeting of the Society for Neuroscience, Atlanta, GA, October 14-18 2006.
  3. Oprisan A and Oprisan SA, Stable fully synchronized states in periodic neural networks, , 36th Annual Meeting of the Society for Neuroscience, Atlanta, GA, October 14-18 2006.
  4. Oprisan SA and Oprisan A, Oscillatory patterns in networks of asymmetrically coupled neurons using phase response curve, The Annual Computational Neuroscience Meeting, Edinburgh, United Kingdom, July 19-20 2006.

2004

  1. Oprisan SA and Oprisan A, Computational Model of Population Dynamics Based on the Cell Cycle and Local Interactions, 36th Annual Meeting of the Society for Neuroscience, Atlanta, GA, October 14-18 2006.
  2. Oprisan A and Oprisan SA, Stable fully synchronized states in periodic neural networks, 36th Annual Meeting of the Society for Neuroscience, Atlanta, GA, October 14-18 2006.

2003

  1. Oprisan A, Hegseth JJ, Garrabos Y, and Beysens D, Moving contact lines in heated liquid film, Annual American Physical Society March Meeting 2003 (https://www.aps.org/meet/MAR03/), March 3 - 7, 2003, Austin, Texas.

2002

  1. Hegseth JJ, Oprisan A, Lecoutre C, Beysens D, Garrabos D, Coarsening and growth in phase separation near the liquid-gas critical point, (https://www.aps.org/meet/MAR02/ ), Annual American Physical Society March Meeting 2002, March 18 - 22, 2002, Indianapolis, Indiana.
  2. Oprisan A, Oprisan SA, and Hegseth JJ, Computational solution of liquid-gas interface shapes from the refractions of a defocused grid, Annual American Physical Society March Meeting 2002, March 18 - 22, 2002, Indianapolis, Indiana.
  3. Oprisan A and Oprisan SA, Fractal measure of compactness in thin film growth process modeled by Metropolis algorithm, (https://www.aps.org/meet/MAR02/ ), Annual American Physical Society March Meeting 2002, March 18 - 22, 2002, Indianapolis, Indiana.

1998

  1. The influence of background interaction potential during thin film growth, Scientific Symposium "Al.I.Cuza University days", Iasi, Romania Oct.1998.
  2. Saddle-node bifurcations and limit cycle occurrence in the aqueous environment passivation reactions, "Al.I.Cuza" Scientific Session, 20-25 October 1998 (in Romanian).
  3. Speed optimization for the cluster formation algorithm, "Al.I.Cuza" Scientific Session, 20-25 October 1998 (in Romanian).
  4. The study of the influence of interactions between the substrate and adatoms in thin films, "Al.I.Cuza" Scientific Session, 20-25 October 1998 (in Romanian).
  5. < The study of the influence of interactions between the substrate and adatoms in thin films, "Al.I.Cuza" Scientific Session, 20-25 October 1998 (in Romanian).
  6. Monte Carlo simulations of the random and deterministic fractal growth processes, National Conference on Physics, Constanta, 12-14 October, 1998.
  7. Electronic equivalent circuits for chaotic dynamics, The XXVII-th Scientific Session "Methods and instruments for Physics and Chemistry", 23 Mai 1998 (in Romanian).
  8. About fractal geometry of the Nature, The XXVII-th Scientific Session "Methods and instruments for Physics and Chemistry", 23 Mai 1998 (in Romanian).
  9. Monte Carlos simulation of fractal growth processes, The XXVII-th Scientific Session "Methods and instruments for Physics and Chemistry", 23 Mai 1998 (in Romanian).

1997

  1. Fractal growth, The XXVII-th Scientific Session "Methods and instruments for Physics and Chemistry", 17 Mai 1997 (in Romanian).
  2. Irreversible processes in thermal engines, The XXVII-th Scientific Session "Methods and instruments for Physics and Chemistry", 17 Mai 1997 (in Romanian).
  3. Multifractal analysis of two-dimensional structures, "Al.I.Cuza" Scientific Session, 19-25 October 1997 (in Romanian).

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Oral Conference Presentations, Invited Talks, and Colloquia


2015

  1. Investigating thermal and concentration fluctuations (sabbatical talk), Physics and Astronomy, College of Charleston, Charleston, SC, January 19, 2015.

2012

  1. Physics labs with PASCO, Department of Physics and Astronomy Professional Development Seminar, August 14, 2012.
  2. Universality in thermal and concentration fluctuations, Department of Physics and Astronomy, 419 Research Seminar, College of Charleston, Charleston, SC, February 20, 2012.

2010

  1. Thermal fluctuation and phase separation in fluids near critical point, Alexander I. Cuza University, Iasi, Romania, June 2010.

2009

  1. Four years after Katrina, Department of Physics and Astronomy, Meteorology Seminar, College of Charleston, Charleston, SC, March 19, 2009.

2008

  1. What strategies are used in order to solve online homework assignments? SACS-AAPT Spring 2008 Meeting at Gainesville State College, GA, April, 2008.
  2. Fractal nature of clusters in phase separation materials, Department of Physics and Astronomy, Chaos Seminar, College of Charleston, Charleston, SC, March 20, 2008.

2007

  1. Physics experiments using PASCO, Department of Physics and Astronomy, College of Charleston, February 28, 2007.

2003

  1. Grid technique for wetting film thickness measurement, Department of Physics, University of New Orleans, April, 2003.

2002

  1. Wave equation in relation with Huygens Principle, Department of Mathematics, University of New Orleans, December, 2002.

2001

  1. The substrate interaction potential dependent film growth processes, Department of Physics, University of New Orleans, November, 2001.

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Technical Reports


1999

  1. Oprisan SA and Oprisan A, The convergence optimization technique applied to the functional self-organization algorithm, Annales of "Al.I.Cuza" University Iasi, Tom , s.I.b. fasc 2 Solid State and Theoretical Physics, 1999.
  2. Oprisan SA and Oprisan A,The saddle-node bifurcation and limit cycle transitions in the aquas environment metall pasivation reaction, Annales of "Al.I.Cuza" University Iasi,Tom , s.I.b. fasc 2 Solid State and Theoretical Physics, 1999.
  3. Oprisan A, Oprisan SA, and Ignat M, The substrate interaction potential dependent thin film growth processes, Annales of "Al.I.Cuza" University Iasi,Tom , s.I.b. fasc 2 Solid State and Theoretical Physics, 1999.

1998

  1. Oprisan A and Oprisan SA, Monte Carlo simulation of the random and deterministic fractal growth processes, Annales of the West University Timisoara, vol.XXXVIII, 1998.
  2. Oprisan SA and Oprisan A, Bifurcations and limit cycle in the aqueous environment metallic passivation kinetics, Annals of "Al.I.Cuza" University, vol. XXXIX, 1998.
  3. Oprisan SA and Oprisan A, Optimized numerical algorithm for cluster aggregation in functional self-organization, Annals of "Al.I.Cuza" University, vol. XXXIX, 1998.
  4. Oprisan A, Oprisan SA, and Ignat M, Thin film growth processes. The study of interaction potential influence on the fractal dimension, Annals of "Al.I.Cuza" University, vol. XXXIX, 1998.

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General interest articles


1998

  1. Oprisan A, View point, Evrika 10, pp. 40-41, 1998.

1997

  1. Oprisan Ana, Oprisan S.A., Irreversible processes in real engines, Evrika 1, pp. 12-14, 1997.

1995

  1. Oprisan A, Experimental verification of the second Kepler's law, Physics Homeworks, 20, 1995.

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