Dr. Ioan Ardelean

 

 

·        address:

 

·        Technical University
Faculty of Material Science and Engineering
Physics Department
3400 Cluj-Napoca
Romania

 

Tel: +40 264 194834 ext.144

Fax: +40 264 192055

E-mail: ioan.ardelean@phys.utcluj.ro

 

·        education

·        graduated in Physics, 1989, "Babes-Bolyai" University, Cluj-Napoca, Romania

·        PhD in Molecular Physics, 1997, "Babes-Bolyai" University, Cluj-Napoca, Romania;

Thesis title: "Modern Methods in Nuclear Magnetic Resonance with Applications in Obtaining of Dynamic and Structural Informations in Some Molecular Compounds",
PhD supervisor: Prof. Dr. Dan E.Demco

·        1996/1997: DAAD Research Fellowship, Universtät Ulm, Sektion Kernresonanzspektroskopie;

·        Oct.1998-Feb.1999: German language course in “Goethe Institut”, Schwaebisch-Hall, Germany; 

·        March 1999- Dec. 2000 : Humboldt Research Fellowship, Universität Ulm, Sektion Kernresonanzspektroskopie, Ulm, Germany;

·        Dec. 2000-Feb.2001 : Invited researcher, Universität Ulm, Sektion Kernresonanzspektroskopie, Ulm, Germany;

·        July 2002- Sept. 2001 : Humboldt Research Fellowship, Universität Ulm, Sektion Kernresonanzspektroskopie, Ulm, Germany;

 

·        positions
-1990-1997:Assistant Professor,
-1997-2002: Lecturer,

-since 2002: Associated Professor, Physics Department, Faculty of Material Science and Engineering, Technical University of Cluj Napoca, Romania

 

·        area of interest

 

a) general interest

·        Nuclear Magnetic Resonance (NMR) techniques and applications

·        Fluid transport in nano-structured samples

b) specific interest

·        Nonlinear effects in high-field NMR , theoretical aspects and applications in diffusion measurements and NMR imaging

·        Development of new NMR techniques for diffusion measurements in the presence of inhomogeneous gradients

·        Development of new techniques for localization and imaging on the basis of radio frequency gradients; “rotary echo” techniques and “nutation echo” techniques

·        Application of the combination of rotating-frame and laboratory frame NMR techniques to diffusion and flow measurements

·        Simulation of fluid transport in porous media and other nano-structured objects

·        Applications of the Field-Cycling NMR technique to fluids confined in porous media

 

PUBLICATION LIST

 

 

A. Books/Review articles

·        I. Ardelean

”Introducere in mecanica cuantica”,

Technical University Press, Cluj-Napoca, 2002, 199.p.

·        I. Ardelean and R. Kimmich

”Principles and unconventional aspects of NMR diffusometry”

in “Annual Reports on NMR Spectroscopy”, vol. 49, (Ed. G.A.Webb), Academic Press, 2002

 

B. Articles in journals

1.      I. Ardelean, and J. Karacsony,

            "Quasi Linear Theory for Lower Hybrid Waves in a R.E.B.-Plasma   System ",

      Actual Problems in Physics, Univ. Babes- Bolyai, 25-31(1989).

2.      I. Ardelean, and J.Karacsony,

            "Quasi-Linear Equations for an Electromagnetic Instability",

      Studia,  Univ. Babes-Bolyai, Physica, XXXIV (1), 35-40(1989).

3.      J. Karacsony, and  I. Ardelean,

            "Lower Hybrid Waves Instability in a R.E.B.- Plasma System",         

Scientific Annals of the University <<Al. I. Cuza>>, Iasi, vol. XXXV, s. I.b. Physics, 12-16(1989).

4.      I. Ardelean,

            "Cross-Polarisation Rate Using a Time Averaged Precession  Frequency",

      Studia ,  Univ. Babes-Bolyai, Physica XXXVI (1), 55-63(1991).

5.      I. Ardelean,

"Magic Angle Spinning and Polarisation Transfer in Systems with Resolved Heteronuclear Interactions",

      Studia, Univ. Babes-Bolyai, Physica XXXVII (2), 33-40(1992).

6.      I. Ardelean, and D.E.Demco,

            "Double Quantum Cross-Polarisation with Restricted Molecular   Motions",

      Rom. Journ. Phys. 37, (8), 783- 792(1992).

7.      I. Ardelean,

            "Thermodynamic Theory of Cross-Polarisation in a NMR-MOIST Experiment",       

      Studia, Univ. Babes-Bolyai, Physica XXXVIII(1), 69-75(1993).

8.      I. Ardelean, and D.E. Demco,

            "Dynamic Theory of Cross-Polarisation under Fast Magic Angle  Sample  Spinning",

      Rom. Journ. Phys. 38, (7), 711- 716(1993).

9.      D.E.Demco, and I. Ardelean,

"Heteronuclear Coherence Transfer by Adiabatic Level-Crossing in  the Rotating Frame",

      Rom. Journ. Phys. 39, (5-6), 449-464(1994).

10.  D.E.Demco, and I. Ardelean,

"Spatial Localisation in the Process of Cyclic Adiabatic  Heteronuclear J-Coherence Transfer",

      Rom. Journ. Phys. 39, (9-10), 685-694(1994).

11.  D.E.Demco, and I. Ardelean,

            "Spatial Localised Single Quantum Heteronuclear Polarisation  Transfer",

      Acta Physica Polonica A86, (3), 407-425(1994).

12.  D.E. Demco, and I. Ardelean,

"Spatially Localised Single Quantum   Heteronuclear Polarisation  Transfer in Solids in the Presence of Radiofrequency Field Gradients",

      Rom. Journ. Phys. 40, (8-9),  859-876(1995).

13.  D.E.Demco, S.Hafner, I. Ardelean, and R.Kimmich,

"Localised Heteronuclear Cross-Polarisation        in Solids by Double Quantum Transitions",

      Appl. Magn. Reson. 9, 491-507(1995).

14.  D.E.Demco, and I. Ardelean,

"Spatially Localised Double Quantum  Heteronuclear Coherence   Transfer in Solids-Indirect Detection  Procedure",

      Acta Physica Polonica A89, (5-6), 699- 714(1996).

15.  D.E.Demco, and I. Ardelean,

            "The Influence of Molecular Motion on the NMR  Cross-Polarization in Solids",

      Rom. Journ. Phys. 41, (9-10), 462-473(1996).

16.  D.E.Demco, and I. Ardelean,

            "Homonuclear NMR Dipolar Decoupling and Recoupling in Rotating Solids",

      Rom.Journ. Phys. 41, (9-10), 703-725(1996).

17.  I. Ardelean, S.Stapf,  D.E.Demco, and  R. Kimmich,

            "The Nonlinear Stimulated Echo",

      J. Magn.  Reson.,124, 506-508(1997).

18.  I. Ardelean, R.Kimmich, S.Stapf, and D.E.Demco,

            "Multiple Nonlinear Stimulated Echoes",

      J.  Magn. Reson. 127, 217-224(1997).

19.  I. Ardelean, R.Kimmich, S.Stapf, D.E.Demco,

            "The Nonlinear Stimulated Echo in The Presence  of Inequivalent Spins",

      J. Magn. Reson.132, 138-143 (1998).

20.  R. Kimmich, and I. Ardelean

“Intermolecular multiple-quantum coherence transfer echoes and    multiple echoes in nuclear magnetic resonance”

J. Chem. Phys, 110, 3708-3713 (1999).

21    R. Kimmich, I. Ardelean, Y.Ya Lin, S. Ahn, and W.S. Warren

“ Multiple spin echo generation by gradients of the radio frequency amplitude: Two-dimensional nutation spectroscopy and multiple rotary echoes “

J. Chem. Phys, 111, 6501-6509 (1999).

22. I. Ardelean , A. Scharfenecker, and R. Kimmich

“Two-pulse nutation echoes generated by gradients of the radio frequency amplitude and of  the main magnetic field”

J. Magn. Reson. 144, 45-52(2000).

23. I. Ardelean, R. Kimmich, and A.Klemm

“The Nutation Spin Echo and Its Use for Localized NMR”

 J. Magn.  Reson,  146 , 43-48(2000).

24. I. Ardelean, and R. Kimmich

“Diffusion Measurements Using the Nonlinear Stimulated Echo”

J. Magn. Reson. 143, 101-105(2000)

25. I.Ardelean, and R. Kimmich

“Diffusion Measurements With the Pulsed Gradient Nonlinear Spin Echo Method”

J. Chem.  Phys. 112, 5275-5280(2000).

26. I. Ardelean, and R. Kimmich

“The Demagnetizing Field Effects on Hahn echo”

Chem. Phys. Letters 320, 81-86 (2000).

27. A. Scharfenecker , I. Ardelean, and R, Kimmich,

“Diffusion Measurements With the Aid of Nutation Spin Echoes Appearing After Two Inhomogeneous Radio Frequency Pulses in Inhomogeneous  Magnetic Fields

J. Magn. Reson. 148, 363-366(2001)

28. I. Ardelean, E.Kossel, and R.Kimmich,

            “Attenuation of homo- and heteronulcear multiple spin echoes by diffusion”

            J.Chem.Phys.114, 8520-8530(2001);

29. E.Kossel, R.Kimmich and I.Ardelean,

“The Influence of J-coupling on Heteronuclear Nonlinear (or Multiple) Spin Echoes”

            Chem. Phys. Letters 347, 157-162(2001)

30. S. Wonorahardjo, C. Mattea, I. Ardelean, E. Anoardo and R. Kimmich

“Discovery of a Critical, Vapor Phase Related Field-Cycling NMR Relaxometry Transition in a Nanoporous Glass Partially Filled with Cyclohexane”

Chem. Phys. Letters (submitted)

 

C. Contributions to academic conferences

            1. J. Karacsony and I. Ardelean,

" Quasi-Linear Evolution of Lower Hybrid Waves in a Cold Plasma System.", Proceedings of the VII th Conference of  Plasma Physics, Iasi 1-3 June 1989, p.85-87 (in Romanian).

            2. J.Karacsony, and I. Ardelean, "Quasi-Linear Theory of Filamentation Instabilities in a Relativistic Electronic Beam- Cold Plasma System”, Proceedings of the XI th National Conference of Physics, Oradea, Romania, 25-28 Oct. 1989,  p.139-140(in Romanian).

            3. I. Ardelean and J.Karacsony, "Collision Effect on Nonlinear Interactions of Electromagnetic Waves in a Cold Magnetized Plasma” Proceedings of the XI th National Conference of Physics, Oradea, Romania, 25-28 Oct. 1989,  p141-142(in Romanian).

            4. I.Cosma, I. Ardelean, and P.Vasile, "Compensation Method for a Magnetic Balance", Proceedings of the XIII th National Conference of Physics”, Brasov, Romania, 22-26 Oct. 1991, p.131-132 (in Romanian)

            5. I.Ardelean, "Double Quantum Heteronuclear Polarisation Transfer in Solids by NMR", Proceedings of the Oradea University Conference, Oradea , Romania, 2-6 June 1992, p.56-57 (in Romanian).

            6. I.Ardelean, "Magic Angle Sample Spinning Effect on Polarisation Transfer in Solids NMR", Proceedings of the  V th National Conference of the Magnetic Materials, Cluj-Napoca, Romania,  25  Sept.1992,  p.117-119 (in Romanian).

            7. I.Ardelean, "Nonlinear Effects in NMR", Proceedings of the XVI th National Conference of Physics”, Sibiu, Romania, 20-24 Oct. 1995, p.131-133(in Romanian)

            8. I. Ardelean, “Nonlinear Stimulated Echoes”, Abstracts of V th NMR School in Zakopane, Poland, 1-5 June 1997,  p.12-13.

            9. I. Ardelean, S. Scharfeneker, and R. Kimmich

“Demagnetizing field effects in high field nuclear magnetic resonance “

Diskussionstagung der GDCH- Fachgruppe NMR, Würzburg, 29.Sept.-2.Okt. 1999 (poster)

10 I. Ardelean and R.Kimmich

“Nonlinear Evolution of Single-Quantum Coherences and Applications Thereof”

The 15th European Experimental NMR Conference (EENC 2000), Leipzig, 12-17 June 2000,  (poster)

11. R.Kimmich and I. Ardelean

“Nonlinear Evolution of Spin Coherences”

AMPERE VIII NMR SCHOOL Zakopane (Poland) June 4-9, 2000.

12. E. Kossel, A. Scharfenecker, I. Ardelean, and R. Kimmich

“Nonlinear and Nutation Echoes in NMR: A Survey of Some Possible Applications”

22nd Discussion Meeting, Progress in the Magnetic Resonance of Bioactive Compounds and New Materials, Regensburg, September, 27-30, 2000 (poster)

13. I. Ardelean, S.Wonorahardjo and R.Kimmich,

“Vapor diffusion contribution to molecular mobility inside Vycor porous glass”

6th International Conference on Magnetic Resonance in Porous Media, Ulm, Sept 8-12, 2002

14. S.Wonorahardjo, I. Ardelean, C.Mattea and R.Kimmich,

“NMR Diffusion-Relaxation in Three Phase Fast Exchange System”, 6th International Conference on Magnetic Resonance in Porous Media, Ulm, Sept 8-12, 2002