Maриo федя симеонов

MAРИO ФЕДЯ СИМЕОНОВ

GSM: 0893588821

Приложение на ЯМР спектроскопията за структурни, стереохимични и динамични изследвания в областта на органичната химия, фитохимия и структурна биология-протеини и ДНК фрагменти.

- Application of 1D and 2D NMR techniques and methodology (e.g. ab initio manner) for study of structure, stereochemistry and dynamic of complex synthetic, or small natural organic compounds with biological activity (1975-1997).

- Computational methods in chemistry (molecular mechanics (MM), semi-empirical MO methods for molecular modeling of organic compounds and bio-molecules) (1992 - 1997)

- Bio-molecular NMR spectroscopy/Structural Biology of DNA Adducts - (1997-99) Vanderbilt University, Nashville, TN

- 3D solution structure of protein and protein-peptide complexes by high resolution 3D NMR spectroscopy and MD calculations (2000-2003), University of Kansas, Lawrence, KS

University of Kansas, Lawrence, KS, (PI in the group of Prof. Dr. M. Rivera)

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  Protein structure and dynamics by NMR spectroscopy (2007 – 2008) UAB, Birmingham, AL
  

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  Physical/Instrumental Methods in Chemistry
  
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  Organic Analysis
  
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  Analytical Chemistry
  

Повече от 40 публикации в областта на приложение на ЯМР спектроскопията за структурни, стереохимични и динамични изследвания в органичната химия и структурната биология.

2. S. Spassov and M. Simeonov, “Conformational Study of Dibenzyl by means of 13C-Satellite NMR spectra”, Compt. Rend. Bulg. Acad. Sci., 29 1145 (1976);

3. S. Spassov and M. Simeonov, “Conformationl Study of Some Biologically Active 1,2- Disubstituted Ethanes by means of NMR-spectroscopy”, Compt. Rend. Bulg. Acad. Sci., 30 723 (1977);

4. M. Simeonov, I. Bangov, S. Spassov and R. Radeglia, “NMR and Theoretical Conformational Investigation of Some 3-Substituted Propionitriles”, Journal of Molecular Structure, 65 189 (1980);

5. 
   S. Spassov, M. Simeonov and E. W. Randall, “1H and 1R Study of Hydrogen Bonding and Conformation of Some 2-Substituted Ethanols”, Journal of Molecular Structure, 77 289 (1981);
   
6. 
   K. Troev and M. Simeonov, “On the Side Reactions accompaning the Trans-Esterification on the Acid Diesters of Phosphorous Acids”, Phosphorous and Sulfur, 19 363 (1984);
   
7. 
   L. Lazarov, M. Simeonov and S. Marinov, “Structural Analysis of alkylated Coal by 1H and 13C NMR Spectroscopy”, Fuel, 63 552 (1984);
   
8. 
   L. Markova, M. Simeonov, S. Spassov, A. Bojilova and C. Ivanov, “1H and 13C NMR Spectra and Stereochemistry of Substituted 3,4-hydrocoumarines”, Commun. Dept. Chem. Bulg. Acad. Sci., 18(1) 123 (1985);
   
9. 
   M. Simeonov, S. Spassov, A. Bojilova, C. Ivanov and R. Radeglia, “Conformational and Tautomeric Equilibria of 3-Acyl-3,4-Dihydrocoumarins: 1H and 13C NMR Study”, 127 127 (1985);
   
10. 
    B. Mikhova, M. Simeonov and S. Spassov, “Applicability of Vicinal Heteronuclear (13C-1H, 15N-1H, 13C-15N) Coupling constants for Conformational Analysis of Aminoacids: Phenylalanine, -Aminobutiric acid and -Alanine”, Magnetic Resonance in Chemistry, 23 (6) 474 (1985);
    
11. 
    T. Nikiforov and M. Simeonov, “Synthesis and Absolute Configuratin of Diasteriomeric 3-Substituted 1-((S)-1-Phenylethyl)-2-Pyrrolidinones”, Commun. Dept. Chem. Bulg. Acad. Sci., 39 (3) 73 (1986);
    
12. 
    J. Sandstrom, M. Simeonov and S. Spassov, “Rotational Isomerism of N,N-Diacyl-1,2-Diaminoethanes and Their Thio Analogues as Studied by 1H and 13C NMR and by Molecular Mechanics”, Acta Chemica Scandinavica, B42 183 (1988);
    
13. 
    M. Simeonov, S. Spassov, H. Duddeck, U. Maichrzak-Kuczynska and J. Skolik, “Complete 1H and 13C NMR Assignment of Two -Isosparteine Salts by the Use of Two-Dimensional NMR Spectroscopy”, Magnetic Resonance in Chemistry, 27(5) 476 (1989);
    
14. 
    H. Duddeck, M. Hiegemann, M. Simeonov, B. Kojic-Prodic, B. Nigovic and V. Magnus, “Conformational Study of Some Amino Acid Conjugates of Indol-3-yl-acetic Acid (IAA) by 1H-NOE-Difference Spectroscopy. Structure/Auxine activity Relationship”, Zeitschrift fur Naturforschung (Tubingen), 44c (7-8) 543 (1989);
    
15. 
    S. Spassov, M. Simeonov, B. P. Mikhova and P. S. Denkova, “Application of Modern NMR Techniques for Conformational Analysis and Assignment of NMR Parameters of Biologically Active Compounds”, Journal of Molecular Structure, 217 169 (1990);
    
16. 
    F. Fulop, M. Simeonov, and K. Pihaja, “Formation of 1,2-Dihydroquinazolin-4(3H)-ones. Reinvestigation of a Recently Reported 1,3,4-Benzotriazepine Synthesis”, Tetrahedron, 48 531-538 (1992);
    
17. 
    M. Simeonov, F. Fulop, R. Sillanpaa and K. Pihlaja, “2D NMR Variable Temperature Study of Conformational Complexity in Seven-Membered Cyclic Triazepinone/Open-Chain Hydrazones”, TAMU NMR Newsletter No. 387, 3 (1990);
    
18. 
    K. Pihlaja, M. Simeonov, M. Michalik, K. Peseke, V. Sinnwell and J. Voss, “Tautomerism of Some Alkyl Carboxylates of Amino-substituted Dihydrobenzoxazepine Thiones and Dihydrobenzodiazepiine Thiones by 2D NMR Spectroscopy. Some Stereochemical Effects on 2J(C,H) and 3J(C,H) Couplings”, Magn. Reson. Chem., 30 673-677 (1992);
    
19. 
    I. Ivanov, St. Karagiosov and M. Simeonov, “A Facile Synthesis of 5-Oxo-5H-(1)Benzopyrano(4,3b)Pyridines. A New Case of N,N-Alkyl Migration”, Liebigs Ann. Chem., 203 (1992);
    
20. 
    J. Chiara, R. Petrova, M. Simeonov, S. Spassov, A. Khan and J. Sandstrom, “Stereochemical Studies of N,N-Diacetyl-N,N-Dimethyl-1,2-Diamino-1,2-Diphenylethanes and Their Mono- and Dithio Analogues by NMR and CD Spectroscopy and by Molecular Mechanics Calculations”, Acta Chemica Scandinavica Ser B, 46(6) 555 (1992);
    
21. 
    K. Neuvonen, F. Fulop, H. Neuvonen, M. Simeonov and K. Pihlaja, “Correlation Analysis of the 13C Chemical Shifts of Substituted Benzaldehyde 2-Aminobenzoylhydrazones. Study of the Propagation of Substituent Effects Along A Heteroatomic Chain”, J. Physical Organic Chemistry, 10 55 (1997);
    
22. 
    K. Pihlaja, M. Simeonov and F. Fulop, “Conformational Complexity in Seven-Membered Cyclic Triazepinone/Open Hydrazones. Part 1. 2D Variable Temperature NMR Study”, J. Org. Chem., 62(15) 5080 (1997);
    
23. 
    M. Simeonov, F. Fulop, R. Sillanpaa and K. Pihlaja, “Conformational Complexity in Seven-Membered Cyclic Triazepinone/Open Hydrazones. Part II. Molecular Modelling and X-Ray Study”, J. Org. Chem., 62(15) 5089 (1997);
    
24. 
    V. Christov, M. Simeonov and L. Evstatieva, “Alkaloid Content of Species from Genus Senecio”, Compt. Rend. Bulg. Acad. Sci., 50(1) 47 (1997);
    
25. 
    V. Christov, M. Simeonov, N. Velcheva, O. Karadjova, N. Atanassov, I. Ivanova and L. Evstatieva, “Pyrrolizidine Alkaloids from Bulgarian Species-Genus Senecio and Their Insecticidal Properties”, Biotechnology and Biotechnological Ed., 11(1) 53 (1997);
    
26. 
    I. Kostova, M. Simeonov, I. Iossifova, R. Tappe, N. Pardeshi and H. Budzikiewicz, “Three 9,19-Cyclotetracyclic Triterpenes from Skimmia Wallichii”, Phytochemistry, 43(3) 643 (1996);
    
27. 
    Ch. Roussev, M. Simeonov, and D. Petkov, “Arabinonucleotides Bond Synthesis by the Epoxide Route”, J. Org. Chem., 62(15) 5238 (1997);
    
28. 
    I. Kostova, M. Simeonov and D. Todorova, “A Monoterpene Glucoside from Peonia Peregina Roots”, Phytochemistry, 47 (7) 1303 (1998);
    
29. 
    I. Kostova, M. Simeonov, D. Todorova and P. Petkova, “Two Acylated Monoterpene Glucosides from Paeonia Peregina”, Phytochemistry, 48(3) 511 (1998);
    
30. 
    Iv. Stankova, M. Simeonov, V. Maximova, A. Galabov and Ev. Golovinsky, “Synthesis and Anti-Virus Activity of Some Nucleosides Analogues”, Z. Naturforsch., 54c 75 (1999);
    
31. 
    M. Simeonov, P. J. Tamura, A. Slick, C. M. Harris, T. M. Harris and M. P. Stone, “Sequence- and Stereospecific Conformational Rearrangement of the R(61,3)- and S(61,3)--(N6-Adenyl) Styrene Oxide (SO) Adducts Located at A.C Mismatch Base Pairs in an Oligodeoxynucleotide Containing the Human N-ras codon 61”, Biochemistry, 39(5) 924-937 (2000);
    

33. J. Urbauer, M. Simeonov, R. J. Bieber Urbauer, K. Adelman, J. M. Gilmore and Ed. N. Brody “ Solution Structure and Stability of the Anti-sigma Factor AsiA and Implications for Novel Functions’”, Proc. Natl. Acad. Sci. USA, 99 (4) 1831-1835 (2002);

34. M. Simeonov, R. J. Bieber Urbauer, J. M. Gilmore, K. Adelman, Ed. N. Brody, A. Niedziela-Majka, L. Minakhin, T. Heyduk and J. L. Urbauer, "Characterization of the Interactions Between the Bacteriophage T4 AsiA Protein and RNA Polymerase", Biochemistry, 42, 7717-7726 (2003);

35. M. Simeonov, R. J. Bieber Urbauer, J. M. Gilmore, K. Adelman, Ed. N. Brody and J. L. Urbauer, “High-Resolution NMR solution structure of the AsiA-region 4 of sigma 70 of RNA Polymerase complex” (in preparation);

36. Mario Simeonov, Adriana Altuve, Michael A. Massiah, An Wang, Margaret A. Eastman, A, David R. Benson, and Mario Rivera, “Mitochondrial and Microsomal Ferric Cytochromes b_5, Exhibit Identical Fold but Different Conformational Plasticity”, Biochemistry (2005) (http://dx.doi.org/10.1021/bi050564l);

37. Mario Simeonov, M. Rivera “NMR Dynamics Study of Mitochondrial and Microsomal Ferric Cytochromes b₅ Proteins” (in preparation);