Ֆիզիկայի ֆակուլտետ
Faculty of Physics
The process of training specialists in the field of physics and mathematics began in 1922 in YSU.:
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Shushanik A. Tonoyan

Assistant | Chair of Molecular Physics
Education
2007 - 2011: PhD student, Molecular Physics Department, Faculty of Physics, Yerevan State University.
2005 - 2007: Master student, Faculty of Physics, YSU.
2001 - 2005: Bachelor student, Faculty of Physics, YSU.

Academic degree
2011: Doctor of Philosophy (Ph.D.) in Physics, “The theory of helix-coil transition in presence of low molecular compounds” 051 Specialized Council at YSU

Professional experience
Since 2012: Assistant Professor, Department of Molecular Physics, Faculty of Physics, YSU
Since 2011: Junior Research Fellow in Laboratory of the Physics of Macromolecules, Department of Molecular Physics, YSU
2008 - 2011: Laboratory assistant, in Laboratory of the Physics of Macromolecules, Department of Molecular Physics, YSU

Academic courses
  • “Molecular Physics”, practical trainings for 1th year bachelor students, Yerevan State University
  • “Molecular Spectroscopy” for 1th year master students, Yerevan State University

    Scale of professional interests
  • Statistical Physics
  • Biophysics
  • Statistical Physics of Biopolymers
  • Conformational Transitions in Biopolymers
  • Theory of Helix-Coil Transitions

    Participation in grant projects
    2011: condmatth-2567fromANSEF
    2012 - 2014: Project ”Equilibrium and non–equilibrium behavior of single– and double–stranded biological molecules” from Volkswagenstiftung
    2013: Project ”Dynamics of the self-assembly of DNA-coated carbon nanotubes in polymer matrix” from German Federal Ministry of Education and Research and Ministry of Education and Science RA
    2013: Project "The investigation of order-disorder transitions in heterogeneous macromolecular systems in the framework of constrained annealing method "condmatth-2567 fromANSEF (principal investigator)
    2013 - 2015: Kinetics and thermodynamics of translocation of nucleic acids during the sequencing in protein nano – channel

    Awards received
    President Prize in Natural Sciences for 2013 (26.05.2014)

    Languages
    Armenian, Russian, English

    sh.tonoyan@ysu.am
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    Latest Publications (28)
    A. V. Asatryan, A. K. Andriasyan, A. A. Hakobyan, Sh. A. Tonoyan , Ye. Sh. Mamasakhlisov , V. F. Morozov
    Straight calculation of helix–coil transition parameters in heteropolymers (Հետերոպոլիմերներում պարույր–կծիկ անցման պարամետրերի ուղիղ հաշվարկ)
    2018 | Article
    ԵՊՀ գիտական տեղեկագիր, Ֆիզիկա և մաթեմատիկա, 2018, հ. 52, #1, էջ 47-54
    |
    Theoretical Description of ssDNA Adsorption on Carbon Nanotubes
    2018 | Thesis
    6th International Iberian Biophysics Congress and X Iberoamerican Congress of Biophysics. 2018, p. 69
    |
    The double-stranded DNA stability in presence of a flexible polymer
    2018 | Article
    JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS, 2018, 36, 1-12 pp.
    А. В. Асатрян, А. К. Андриасян, Ш. А. Тоноян , Е. Ш. Мамасахлисов , В. Ф. Морозов
    Переход порядок-беспорядок в гетерогенных биологических макромолекулах
    2018 | Article
    Вестник Российско-Армянского Университета: Физико-математические и естественные науки, 2018, 1, стр. 41-54
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    Sh. A. Tonoyan , A. A. Hakobyan, A. K. Andreassian, V. F. Morozov , Y. Sh. Mamasakhlisov
    Sensitivity of DNA Sensors in the Presence of Charged Ligands
    2018 | Article
    Journal of Contemporary Physics (Armenian Academy of Sciences), 2018, Vol. 53, Issue2, 179-186 pp.
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    Effect of ligands binding on the isotherm of hybridization of the DNA-chip
    2017 | Article
    Journal of Contemporary Physics (Armenian Academy of Sciences). 2017, 52,2, pp. 180-188
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    Fluctuations in order–disorder transitions in the DNA–ligand complexes with various binding mechanisms
    2017 | Article
    Journal of Contemporary Physics (Armenian Academy of Sciences). 2017, 52, 2, pp. 173-179
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    The Helix-Coil Transition the Frames of GMPC. Ligands Effects
    2017 | Thesis
    International workshop and young scientist school on Critical Phenomena and Phase Transition. 2017, 14-15 pp.
    |
    Constrained Annealing Approach for Order-Disorder Transitions in heterogeneous Macromolecular Systems
    2017 | Article
    International Workshop and Young Scientist School on Critical Phenomena and Phase Transition. 2017, 20-21 pp.
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    Sh. A. Tonoyan , A. V. Asatryan, D. L. Hayrapetyan, Y. Sh. Mamasakhlisov , V. F. Morozov
    Possible mechanism of non-monotone behavior of helix-coil transition temperature in two-component solvent
    2016 | Article
    Journal of Contemporary Physics (Armenian Academy of Sciences). 2016, 51, 1, 93-98 pp.
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    Generalized Model of Polypeptide Chainfor Helix-Coil Transition in Two-component Solvent
    2015 | Book
    J. Contemp. Phys. 50, N 4, 375 - 380 pp.(2015)
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    A. V. Badasyan, Sh. A. Tonoyan , A. Giacometti, R. Podgornik, V. A. Parsegian, Y. Sh. Mamasakhlisov , V. F. Morozov
    Unified description of solvent effects in the helix-coil transition
    2014 | Article
    Phys. Rev. E 89 022723( 2014)
    Helix-coil transition in biopolymers with multicomponent heterogeneity of energy and number of conformations
    2014 | Article
    J. Contemp. Phys. 49, N 3, 132 (2014)
    G. N. Hayrapetyan, H. L. Tsaturyan, Sh. A. Tonoyan , Y. Sh. Mamasakhlisov
    Thermodynamics of single-stranded RNA with random sequence: Constrained annealing approach
    2013 | Article
    J. Contemp. Phys. 48, N 2, 98 (2013)
    On the theory of helix-coil transition in heterogeneous biopolymers. Constrained annealing method
    2013 | Article
    J. Contemp. Phys. 48, N 5, 236 (2013)
    A. V.Badasyan, S. A. Tonoyan , A. Giacometti, R. Podgornik, V. A. Parsegian, Y. Sh. Mamasakhlisov , V. F. Morozov
    Osmotic pressure induced coupling between cooperativity and stability of a helix-coil transition
    2012 | Article
    Phys. Rev. Lett. 109, 068101 (2012)
    A. V. Badasyan, Sh. A. Tonoyan , Y. Sh. Mamasakhlisov , A. Giacometti, A. S. Benight, V. F. Morozov
    Competition for hydrogen-bond formation in the helix-coil transition and protein folding
    2011 | Article
    Phys. Rev. E 83 051903 (2011)
    Sh. A. Tonoyan , A. S. Mirzakhanyan, G. N. Hayrapetyan, A. V. Tsarukyan, V. F. Morozov
    Helix-Coil Transition of Biopolymers in solvent Interacting in Competitive and Non-Competitive Ways
    2010 | Article
    J. Contemp. Phys. 45, N 2, 88 (2010)
    Two-Scale Generalized Model of Polypeptide Chain in Combined Solvent
    2010 | Article
    J. Contemp. Phys. 45, N 6, 297 (2010)
    A. V. Badasyan, G. N. Hayrapetyan, Sh. A.Tonoyan , Y. Sh.Mamasakhlisov , A. S. Benight, V. F. Morozov
    Intersegment interactions and helix-coil transition within the Generalized Model of Polypeptide Chains (GMPC) approach
    2009 | Article
    J. Chem. Phys., 2009, v. 131, 115104
    Sh. A. Tonoyan , G. N. Hayrapetyan, A. V. Ivanov, I. V. Baghdyan, A. V. Tsarukyan
    Competitive and Non-Competitive Interactions of Solvent With Biopolymers at the Helix-Coil Transitions
    2009 | Article
    J. Contemp. Phys. Vol 44, N 6, 300 (2009)
    A. V. Badasyan, Sh.A. Tonoyan , A.V. Tsarukyan, Y. Sh. Mamasakhlisov , A.S. Benight, V.F. Morozov
    Two Scale Generalized Model of Polypeptide Chain
    2008 | Article
    J. Chem. Phys.128,195101 (2008)
    A. V. Tsarukyan, Sh. A. Tonoyan , G. N. Hayrapetyan, I. V. Baghdyan, Y. Sh. Mamasakhlisov , V. F. Morozov
    Helix-Coil Transition in the Case of Interaction Between Two Chains
    2008 | Article
    J. Contemp. Phys. 43, N 5, 254 (2008)
    Sh. A. Tonoyan , G. N. Hayrapetyan, A. V. Tsarukyan, Y. Sh. Mamasakhlisov , V. F. Morozov
    Generalized Model of Polypeptide Chain With Limitation on the Length of Helical Fractions
    2008 | Article
    J. Contemp. Phys. 43, N 4, 203 (2008)
    V.F. Morozov , Y.Sh. Mamasakhlisov , A.V. Mkrtchyan, A.V. Tsarukyan, T.Yu. Buryakina, S. Tonoyan , S.V. Mkrtchyan
    Structural Investigations of Ordering in Biopolymers
    2007 | Article
    In: Brilliant Light in Life and Material Science, V.Tsakanov & H.Wiedemann (eds), 2007, Springer, pp. 165-174
    Sh. A. Tonoyan , T. Yu. Buryakina, A. V. Tsarukyan, Y. Sh. Mamasakhlisov , V. F. Morozov
    Generalized model of polypeptide chain with two-scale interactions
    2007 | Article
    J.Contemp. Phys. 42, N6, 309 (2007)
    A. V. Tsarukyan, Sh. A. Tonoyan , A. V. Badasyan, A. V. Grigoryan, E. Sh. Mamasakhlisov , V. F. Morozov
    Order parameters of helix-coil transition in biopolymers
    2006 | Article
    J. Contemp.Phys., 41, N 1, 54 (2006)
    A. Tsarukyan, Sh. Tonoyan , A. Badasyan, A. Grigoryan, E. Mamasakhlisov , V. Morozov
    The Helix Coil Transition and Definition of the Order Parameter in the Scope of the GMPC
    2005 | Article
    Electronic Journal of Natural Sciences (Biophysics) 2, 5 (2005)