Oleg A. Sapozhnikov

Doctor of Science
Database information: 
Areas of Research Activity: 
Acoustic holography
General topics of nonlinear wave physics
High-intensity focused ultrasound (HIFU) in therapy and noninvasive surgery
Industrial ultrasound applications
Kidney stone fragmentation by ultrasound waves
Metrology of ultrasound sources and their fields
Nonlinear problems in aeroacoustics
Numerical modeling in acoustics
Ultrasound imaging methods in medicine
Education: 
  • 2008 – D.Sc. in Acoustics from M.V. Lomonosov Moscow State University (MSU)
  • 1988 – Ph.D. in Acoustics from MSU
  • 1985 – M.S. in Physics from MSU
Professional position: 
  • 2014 - present - Professor, Department of Acoustics, Physics Faculty, MSU
  • 1993 - 2014 - Associate Professor, Department of Acoustics, Physics Faculty, MSU
  • 1990 - 1993 - Assistant Professor, Department of Acoustics, Physics Faculty, MSU
  • 1988 - 1990 - Junior Research Scientist, Department of Acoustics, Physics Faculty, MSU
Honors/Awards: 
  •           AWARDS
  • Early Career Award of the International Commission for Acoustics (2004)
  • George Soros Foundation Professorship Award (2000, 2001, 2002)
  • Prize of the «MAIK-Nauka/Interperiodika» publishing company for the best scientific publication of the year (1997)
  • Physics Faculty of MSU Professorship Award (1996)
  • Prize of European Academy for Young Russian Scientists (1994)
  • International Science Foundation Award (1993)
  • M.V. Lomonosov Prize in Physics (1991)
  •           HONORS
  • Member of the Scientific Council on Acoustics of the Russian Academy of Sciences (since 2002), Head of the “Physical Ultrasound” division (since 2009)
  • Member of the Committee on International Research and Education of the Acoustical Society of America (since 2005)
  • Associate Editor of the Journal of the Acoustical Society of America (since 2007)
  • Member of the Board of the International Congress on Ultrasonics (since 2008)
  • Member of the International Organizing Committee of the International Symposium on Nonlinear Acoustics (since 2008)
  • Fellow of the Acoustical Society of America (since 2009)
Show additional information Show publications

Publications

2023

  1. R.P. Williams, J.C. Simon, V.A. Khokhlova, O.A. Sapozhnikov, and T.D. Khokhlova
    "The histotripsy spectrum: differences and similarities in techniques and instrumentation"

    International Journal of Hyperthermia,

    40
    1
    1-19, DOI: 10.1080/02656736.2023.2233720
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  2. P.B. Rosnitskiy, S.A. Tsysar, M.M. Karzova, S.V. Buravkov, P.G. Malkov, N.V. Danilova, E.M. Ponomarchuk, O.A. Sapozhnikov, T.D. Khokhlova, G.R. Schade, A.D. Maxwell, Y.N. Wang, A.V. Kadrev, A.L. Chernyaev, D.A. Okhobotov, A.A. Kamalov, and V.A. Khokhlova
    "Pilot ex vivo study on non-thermal ablation of human prostate adenocarcinoma tissue using boiling histotripsy"

    Ultrasonics,

    133
    107029
    1-8, DOI: 10.1016/j.ultras.2023.107029
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  3. V.A. Khokhlova, P.B. Rosnitskiy, S.A. Tsysar, S.V. Buravkov, E.M. Ponomarchuk, O.A. Sapozhnikov, M.M. Karzova, T.D. Khokhlova, A.D. Maxwell, Y.N. Wang, A.V. Kadrev, A.L. Chernyaev, V.P. Chernikov, D.A. Okhobotov, A.A. Kamalov, and G.R. Schade
    "Initial assessment of boiling histotripsy for mechanical ablation of ex vivo human prostate tissue"

    Ultrasound in Medicine and Biology,

    49
    1
    62–71, DOI: 10.1016/j.ultrasmedbio.2022.07.014
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  4. G.P. Thomas, T.D. Khokhlova, O.A. Sapozhnikov, and V.A. Khokhlova
    "Enhancement of boiling histotripsy by steering the focus axially during the pulse delivery"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,

    70
    8
    DOI: 10.1109/TUFFC.2023.3286759
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  5. M.M. Karzova, W. Kreider, A. Partanen, T.D. Khokhlova, O.A. Sapozhnikov, P.V. Yuldashev, and V.A. Khokhlova
    "Comparative characterization of nonlinear ultrasound fields generated by Sonalleve V1 and V2 MR-HIFU systems"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,

    70
    6
    521–537, DOI: 10.1109/TUFFC.2023.3261420
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  6. M.A. Ghanem, A.D. Maxwell, D. Dalecki, O.A. Sapozhnikov, and M.R. Bailey
    "Phase holograms for the three-dimensional patterning of unconstrained microparticles"

    Scientific reports,

    13
    9160
    1-10, DOI: 10.1038/s41598-023-35337-8
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  7. S.A. Asfandiyarov, P.B. Rosnitskiy, S.A. Tsysar, P.V. Yuldashev, V.A. Khokhlova, V.E. Sinitsyn, E.A. Mershina, and O.A. Sapozhnikov
    "Estimation of the thickness profile of a human skull phantom by ultrasound methods using a two-dimensional array"

    Acoustical Physics,

    69
    1
    112–118, DOI: 10.1134/S106377102270004X
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2022

  1. A. Panfilova, X. Chen, C. Widdershoven, J.E. Freund, D.S. Heijink, P. Zondervan, R.J. van Sloun, O.A. Sapozhnikov, H. Wijkstra, and M. Mischi
    "B/a measurement of clear cell renal cell carcinoma versus healthy kidney tissue"

    Ultrasound in Medicine and Biology,

    48
    7
    1348–1355, DOI: 10.1016/j.ultrasmedbio.2022.02.024
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  2. M.R. Bailey, A.D. Maxwell, S. Cao, S. Ramesh, Z. Liu, J.C. Williams Jr, J. Thiel, B. Dunmire, T. Colonius, E. Kuznetsova, W. Kreider, M.D. Sorensen, J.E. Lingeman, and O.A. Sapozhnikov
    "Improving burst wave lithotripsy effectiveness for small stones and fragments by increasing frequency: theoretical modeling and ex vivo study"

    Journal of Endourology,

    36
    7
    996–1003, DOI: 10.1089/end.2021.0714
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  3. G.P. Thomas, T.D. Khokhlova, O.A. Sapozhnikov, Y.N. Wang, S.I. Totten, and V.A. Khokhlova
    "In vivo aberration correction for transcutaneous hifu therapy using a multielement array"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,

    69
    10
    2955–2964, DOI: 10.1109/tuffc.2022.3200309
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  4. D.A. Nikolaev, S.A. Petrosyan, S.A. Tsysar, P.B. Rosnitsky, and O.A. Sapozhnikov
    "Use of phase masks to construct the required spatial pattern of an ultrasonic field"

    Bulletin of the Russian Academy of Sciences: Physics,

    86
    7
    846–851, DOI: 10.3103/S1062873822070231
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  5. A.A. Krokhmal, N.E. Krokhmal, and O.A. Sapozhnikov
    "Calculating an acoustic trap for an elastic spherical scatterer of large wave size"

    Bulletin of the Russian Academy of Sciences: Physics,

    86
    2
    194–199, DOI: 10.3103/S1062873822020137
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  6. A.Z. Kaloev, D.A. Nikolaev, V.A. Khokhlova, S.A. Tsysar, and O.A. Sapozhnikov
    "Spatial correction of an acoustic hologram for reconstructing surface vibrations of an axially symmetric ultrasound transducer"

    Acoustical Physics,

    68
    1
    71–82, DOI: 10.1134/S1063771022010043
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  7. M. Song, G.P.L. Thomas, V.A. Khokhlova, O.A. Sapozhnikov, M.R. Bailey, A.D. Maxwell, P.V. Yuldashev, and T.D. Khokhlova
    "Quantitative assessment of boiling histotripsy progression based on color doppler measurements"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,

    69
    12
    3255–3269, DOI: 10.1109/TUFFC.2022.3212266
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  8. E.M. Ponomarchuk, C. Hunter, M. Song, V.A. Khokhlova, O.A. Sapozhnikov, P.V. Yuldashev, and T.D. Khokhlova
    "Mechanical damage thresholds for hematomas near gas-containing bodies in pulsed HIFU fields"

    Physics in Medicine and Biology,

    67
    21
    1–18, DOI: 10.1088/1361-6560/ac96c7
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  9. O.A. Sapozhnikov, L.M. Kotelnikova, D.A. Nikolaev, and S.A. Tsysar
    "Direct measurement of the radiation force of a focused acoustic beam on a spherical particle in water"

    Proceedings of Meetings on Acoustics,

    48
    045005/1–045005/6, DOI: 10.1121/2.0001650
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2021

  1. P.V. Yuldashev, M.M. Karzova, W. Kreider, P.B. Rosnitskiy, O.A. Sapozhnikov and V.A.Khokhlova.
    "“HIFU beam”: a simulator for predicting axially symmetric nonlinear acoustic fields generated by focused transducers in a layered medium"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Sept. 2021,

    68
    9
    2837–2852. DOI: 10.1109/TUFFC.2021.3074611
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  2. C.R. Bawiec, P.B. Rosnitskiy, A.T. Peek, A.D. Maxwell, W. Kreider, G.R. ter Haar, O.A. Sapozhnikov, V.A. Khokhlova, T.D Khokhlova.
    "Inertial cavitation behaviors induced by nonlinear focused ultrasound pulses"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Sept. 2021

    68
    9
    2884–2895. DOI: 10.1109/TUFFC.2021.3073347
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  3. E.M. Ponomarchuk, P.B. Rosnitskiy, T.D. Khokhlova, S.V. Buravkov, S.A. Tsysar, M.M. Karzova, K.D. Tumanova, A.V. Kunturova, Y.N. Wang, O.A. Sapozhnikov, P.E. Trakhtman, N.N. Starostin, and V.A. Khokhlova
    "Ultrastructural analysis of volumetric histotripsy bio-effects in large human hematomas"

    Ultrasound in Medicine and Biology

    47
    9
    2608–2621. DOI: 10.1016/j.ultrasmedbio.2021.05.002
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  4. C. R. Bawiec, T. D. Khokhlova, O. A. Sapozhnikov, P.B. Rosnitskiy, B.W. Cunitz, M.A. Ghanem, C. Hunter, W. Kreider, G.R. Schade, P.V. Yuldashev, V.A. Khokhlova
    "A prototype therapy system for boiling histotripsy in abdominal targets based on a 256 element spiral array"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, May 2021

    68
    5
    1496-1510. DOI: 10.1109/TUFFC.2020.3036580
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  5. D.A. Nikolaev, S.A. Tsysar, V.A. Khokhlova, W. Kreider, and O.A. Sapozhnikov
    "Holographic extraction of plane waves from an ultrasound beam for acoustic characterization of an absorbing layer of finite dimensions"

    Journal of the Acoustical Society of America

    149
    1
    386–404
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  6. A. Panfilova , R.J.G. van Sloun, H. Wijkstra, O.A. Sapozhnikov , and M. Mischi
    "A review on B/A measurement methods with a clinical perspective"

    Journal of the Acoustical Society of America

    149
    4
    2200–2237, DOI: 10.1121/10.0003627
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  7. A. Panfilova , X. Chen, R.J.G. van Sloun , H. Wijkstra , M. Mischi , and O.A. Sapozhnikov
    "The generalized finite amplitude insert-substitution method for B/A measurement of tissues and liquids"

    Proceedings of Meetings on Acoustics

    42
    020001/1 – 020006/11, DOI: 10.1121/2.0001439
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  8. L.M. Kotelnikova, D.A. Nikolaev , S.A. Tsysar , and O.A. Sapozhnikov
    "Determination of the elastic properties of a solid sphere based on the results of acoustic beam scattering"

    Acoustical Physics

    67
    4
    360–374, DOI: 10.1134/S1063771021040072
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  9. S.A. Tsysar , D.A. Nikolaev, and O.A. Sapozhnikov
    "Broadband vibrometry of a two- dimensional ultrasound array using transient acoustic holography"

    Acoustical Physics

    67
    3
    320–328, DOI: 10.1134/S1063771021030131
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  10. S.A. Petrosyan, D.A. Nikolaev, S.A. Tsysar, V.D. Svet, A.I. Tsekhanovich, A.D. Krendeleva, and O.A. Sapozhnikov
    "Imaging in a liquid through a solid-state acoustic lens with aberration correction"

    Bulletin of the Russian Academy of Sciences: Physics

    85
    6
    647-652
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  11. D.A. Nikolaev, S.A. Tsysar, and O.A. Sapozhnikov
    "Determination and compensation of axes misalignment of three-coordinate positioning systems using acoustic holography"

    Bulletin of the Russian Academy of Sciences: Physics

    85
    6
    658-664
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  12. A.A. Krokhmal, O.A. Sapozhnikov, E.V. Koudan, A.A. Gryadunova, S.A. Tsysar, C.V. Petrov, F. Pereira, Y.D. Hesuani, V.A. Mironov, and V.A. Parfenov
    "Creating tubular structures from tissue spheroids via the acoustic radiation force"

    Bulletin of the Russian Academy of Sciences: Physics

    85
    6
    681-685
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  13. L.M. Kotelnikova, A.A. Krokhmal, D.A. Nikolaev, S.A. Tsysar,O.A. Sapozhnikov
    "Controlling the Coefficient of Reflection of Sound from a Plane Piezoelectric Plate by Selecting its Electrical Load"

    Bulletin of the Russian Academy of Sciences: Physics,

    85
    12
    1501 - 1506, DOI: 10.3103/S1062873821120133
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2020

  1. M.A. Ghanem, A.D. Maxwell, Y.-N. Wang, B.W. Cunitz, V.A. Khokhlova, O.A. Sapozhnikov, and M.R. Bailey
    "Noninvasive acoustic manipulation of objects in a living body"

    Proceedings of the National Academy of Sciences

    Jul 2020
    202001779
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  2. V.A. Parfenov, E.V. Koudan, A.A. Krokhmal, E.A. Annenkova, S.V. Petrov, F.D. Pereira, P.A. Karalkin, E.K. Nezhurina, A.A. Gryadunova, E.A. Bulanova, O.A. Sapozhnikov, S.A. Tsysar, K. Liu, E. Oosterwijk, H. van Beuningen, P. van der Kraan, S. Granneman, H. Engelkamp, P. Christianen, V. Kasyanov, Y.D. Khesuani, and V.A. Mironov
    "Biofabrication of a functional tubular construct from tissue spheroids using magnetoacoustic levitational directed assembly"

    Advanced Healthcare Materials

    2000721(1–10)
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  3. G.P.L. Thomas, T.D. Khokhlova, C.R. Bawiec, A.T. Peek, O.A. Sapozhnikov, M.O’Donnell, and V.A. Khokhlova
    "Phase-aberration correction for HIFU therapy using a multi-element array and backscattering of nonlinear pulses"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

    Oct. 14
    in print
  4. A.T. Peek, C. Hunter, W. Kreider, T.D. Khokhlova, P.B. Rosnitskiy, P.V. Yuldashev, O.A. Sapozhnikov, V.A. Khokhlova
    "Bilayer aberration-inducing gel phantom for high intensity focused ultrasound applications"

    The Journal of the Acoustical Society of America

    148
    6
    3569–3580
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  5. A. D. Maxwell, B. MacConaghy, M. R. Bailey, and O. A. Sapozhnikov
    "An investigation of elastic waves producing stone fracture in burst wave lithotripsy"

    The Journal of the Acoustical Society of America

    147
    3
    1607–1622
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  6. O.A. Sapozhnikov, A.D. Maxwell, and M.R. Bailey
    "Modeling of photoelastic imaging of mechanical stresses in transparent solids mimicking kidney stones"

    The Journal of the Acoustical Society of America

    147
    6
    3819–3829
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  7. M.F. Hamilton and O.A. Sapozhnikov
    "Obituary – Evgenia Andreevna Zabolotskaya"

    Acoustics Today

    Fall
    PDF icon download
  8. P.B. Rosnitskiy, O.A. Sapozhnikov, L.R. Gavrilov, and V.A. Khokhlova
    "Designing fully populated phased arrays for noninvasive ultrasound surgery with controlled degree of irregularity in the arrangement of elements"

    Acoustical Physics

    4
    4
    352–361
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  9. A. A. Krokhmal, D. A. Nikolaev, S. A. Tsysar, and O. A. Sapozhnikov
    "Creating a reference plane ultrasonic wave in a fluid using a plane piezoelectric transducer with a large wave dimension"

    Acoustical Physics

    66
    5
    449–460
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2019

  1. M.A. Ghanem, A.D. Maxwell, O.A. Sapozhnikov, V.A. Khokhlova, and M.R. Bailey
    "Quantification of acoustic radiation forces on solid objects in fluid"

    Physical Review Applied

    12
    044076 (1–13)
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  2. O.A. Sapozhnikov, V.A. Khokhlova, R.O. Cleveland, P. Blanc-Benon, M.F. Hamilton
    "Nonlinear Acoustics Today"

    Acoustics Today

    15
    3
    55–64
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  3. P.B. Rosnitskiy, P.V. Yuldashev, O.A. Sapozhnikov, L.R. Gavrilov, V.A. Khokhlova
    "Simulation of nonlinear trans-skull focusing and formation of shocks in brain using a fully populated ultrasound array with aberration correction"

    The Journal of the Acoustical Society of America

    146
    3
    1786–1798
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  4. A.V. Nikolaeva, M.M. Karzova, S.A. Tsysar, V.A. Khokhlova, O.A. Sapozhnikov
    "Simulating and measuring the acoustic radiation force of a focused ultrasonic beam on elastic spheres in water"

    Bulletin of the Russian Academy of Sciences: Physics

    83
    1
    77-81
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  5. E.A Annenkova, O.A. Sapozhnikov
    "Surface instability and thermal and cavitational phenomena as mechanisms of drop explosions in acoustic fountains"

    Bulletin of the Russian Academy of Sciences: Physics

    83
    1
    73-76
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  6. V.A. Khokhlova, P.B. Rosnitskiy, S.A. Tsysar, S.V. Buravkov, O.A. Sapozhnikov, M.M. Karzova, T.D. Khokhlova, A.D. Maxwell, N.M. Gaifullin, A.V. Kadrev, D.A. Okhobotov, A.A. Kamalov, G.R. Schade
    "A novel method for non-invasive mechanical ablation of prostate tumors using pulsed focused ultrasound"

    Urologiia

    6
    67-73 (in Russian)
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2018

  1. A. I. Polyanskiy , O.A. Sapozhnikov
    "Theoretical study of the cavitation mechanism of the twinkling artefact in the ultrasound imaging of kidney stones "

    Bulletin of the Russian Academy of Sciences: Physics

    82
    5
    545–549
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  2. D.A. Sukhoruchkin, P.V. Yuldashev, S.A. Tsysar, V.A. Khokhlova, V.D. Svet , O.A. Sapozhnikov
    "Use of pulse-echo ultrasound imaging in transcranial diagnostics of brain structures"

    Bulletin of the Russian Academy of Sciences: Physics

    82
    5
    507–511
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  3. Matula T.J., Sapozhnikov O.A., Ostrovsky L.A., Brayman A.A., Kucewicz J., MacConaghy B.E., De Raad D.
    "Ultrasound-based cell sorting with microbubbles: A feasibility study"

    Journal of the Acoustical Society of America

    144
    1
    41-52
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  4. M. A. Ghanem, A. D. Maxwell, W. Kreider, B.W. Cunitz, V.A. Khokhlova, O.A. Sapozhnikov, M.R. Bailey
    "Field characterization and compensation of vibrational non-uniformity for a 256-element focused ultrasound phased array "

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

    65
    9
    1618–1630
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  5. P. B. Rosnitskiy, B. A. Vysokanov, L. R. Gavrilov, O.A. Sapozhnikov, V.A. Khokhlova
    "Method for designing multielement fully populated random phased arrays for ultrasound surgery applications "

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

    65
    4
    630–637
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  6. Simon J.C., Sapozhnikov O.A., Kreider W., Breshock M., Williams Jr J.C., Bailey M.R.
    "The role of trapped bubbles in kidney stone detection with the color Doppler ultrasound twinkling artifact"

    Physics in Medicine and Biology

    63
    2
    025011-1-025011-10
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  7. Y. Li, G. Guo, J. Tu, Q. Ma, X. Guo, D. Zhang, O.A. Sapozhnikov
    "Acoustic radiation torque of an acoustic-vortex spanner exerted on axisymmetric objects"

    Applied Physics Letters

    112
    254101–1–254101–5
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  8. Sapozhnikov O. A., Annenkova E. A.
    "Nonlinear spherical standing waves in an acoustically excited liquid drop"

    Acoustical Physics

    64
    3
    299–308
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  9. T. Khokhlova, P. Rosnitskiy, C. Hunter, A. Maxwell, W. Kreider, G. ter Haar, M. Costa, O. Sapozhnikov, V. Khokhlova
    "Dependence of inertial cavitation induced by high intensity focused ultrasound on transducer f-number and nonlinear waveform distortion "

    Journal of the Acoustical Society of America

    144
    3
    1160–1169
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2017

  1. Prieur F., Sapozhnikov O.A.
    "Modeling of the acoustic radiation force in elastography"

    The Journal of the Acoustical Society of America

    142
    2
    947-961
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  2. P.B. Rosnitskiy, P.V. Yuldashev, O.A. Sapozhnikov, A. Maxwell, W. Kreider, M.R. Bailey, V.A. Khokhlova
    "Design of HIFU transducers for generating specified nonlinear ultrasound fields"

    IEEE Trans. Ultrason., Ferroelect., Freq. Contr.

    64
    2
    374 – 390
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  3. M.M. Karzova, P.V. Yuldashev, O.A. Sapozhnikov, V.A. Khokhlova, B.W. Cunitz, W. Kreider, M.R. Bailey
    "Shock formation and nonlinear saturation effects in the ultrasound field of a diagnostic curvilinear probe"

    The Journal of the Acoustical Society of America

    141
    4
    2327-2337
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  4. Maxwell A.D., Yuldashev P.V., Kreider W., Khokhlova T.D., Schade G.R., Hall T.L., Sapozhnikov O.A., Bailey M.R., Khokhlova V.A.
    "A prototype therapy system for transcutaneous application of boiling histotripsy"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

    64
    10
    1542-1557
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  5. Terzi, M.E., Tsysar, S.A., Yuldashev, P.V., Karzova, M.M., and Sapozhnikov, O.A.
    "Generation of a vortex ultrasonic beam with a phase plate with an angular dependence of the thickness"

    Moscow University Physics Bulletin

    72
    1
    61–67
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  6. Nikolaeva, А.В., and Sapozhnikov, O.A.
    "Acoustic radiation force of a quasi-Gaussian beam imparted to a solid spherical scatterer in a fluid"

    Bulletin of the Russian Academy of Sciences: Physics

    81
    1
    80-83
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  7. Annenkova, E.A., Kreider, W., and Sapozhnikov, O.A.
    "Nonlinear dynamics of a vapor–gas bubble in a superheated region of finite size"

    Bulletin of the Russian Academy of Sciences, Physics

    81
    1
    76-79
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  8. Rosnitskiy P., Gavrilov L., Yuldashev P., Sapozhnikov O., Khokhlova V.
    "On the Possibility of Using Multi-Element Phased Arrays for Shock-Wave Action on Deep Brain Structures"

    Acoustical Physics

    63
    5
    531-540
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2016

  1. A.V. Nikolaeva, S.A. Tsysar, O.A. Sapozhnikov
    "Measuring the radiation force of megahertz ultrasound acting on a solid spherical scatterer"

    Acoustical Physics

    62
    1
    38-45
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  2. E.A. Annenkova, S.A. Tsysar, O.A. Sapozhnikov
    "Constructing ultrasonic images of soft spherical scatterers"

    Acoustical Physics

    62
    2
    169-178
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  3. P.B. Rosnitskiy, P.V. Yuldashev, O.A. Sapozhnikov, A. Maxwell, W. Kreider, M.R. Bailey, V.A. Khokhlova
    "Design of HIFU transducers to generate specific nonlinear ultrasound fields"

    Physics Procedia

    87
    132 – 138
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  4. C. Hunter, O.A. Sapozhnikov, A.D Maxwell, V.A. Khokhlova, Y.N. Wang, B. MacConaghy, W. Kreider
    "An ultrasonic caliper device for measuring acoustic nonlinearity"

    Physics Procedia

    87
    93 – 98
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2015

  1. S.A. Ilyin, P.V. Yuldashev, V.A. Khokhlova, L.R. Gavrilov, P.B. Rosnitskiy, and O.A. Sapozhnikov
    "Analytical Method for Evaluating the Quality of Acoustic Fields Radiated by a Multielement Therapeutic Array with Electronic Focus Steering"

    Acoustical Physics, 2015

    61
    1
    52-59
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  2. J. C. Simon, O. A. Sapozhnikov, V. A. Khokhlova, L. A. Crum and M. R. Bailey
    "Ultrasonic atomization of liquids in drop-chain acoustic fountains"

    J. Fluid Mech. (2015)

    766
    129-146
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  3. J.C. Simon, O.A. Sapozhnikov, Y.N. Wang, V.A. Khokhlova, L.A. Crum, M.R. Bailey
    "Investigation into the mechanisms of tissue atomization by high intensity focused ultrasound"

    Ultrasound in Medicine & Biology

    41
    5
    1372-1385
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  4. O.A. Sapozhnikov, M.A. Smagin
    "Finding the dispersion relations for Lamb-type waves in a concave piezoelectric plate by optical visualization of the ultrasound field radiated into a fluid"

    Acoustical Physics

    61
    2
    181-187
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  5. A.D. Maxwell, B.W. Cunitz, W. Kreider, O.A. Sapozhnikov, R.S. Hsi, J.D. Harper, M.R. Bailey, M.D. Sorensen
    "Fragmentation of urinary calculi in vitro by burst wave lithotripsy"

    Journal of Urology

    193
    1
    338-344
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  6. J.C. Simon, O.A. Sapozhnikov, Y.N. Wang, V.A. Khokhlova, L.A. Crum, M.R. Bailey
    "Investigation into the mechanisms of tissue atomization by high intensity focused ultrasound"

    Ultrasound in Medicine & Biology

    41
    5
    1372-1385
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  7. О.A. Sapozhnikov, S.A. Tsysar, V.A. Khokhlova, W. Kreider
    "Acoustic holography as a metrological tool for characterizing medical ultrasound sources and fields"

    The Journal of the Acoustical Society of America

    138
    3
    1515-1532
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  8. A.N. Rybyanets, A.A. Naumenko, O.A. Sapozhnikov, V.A. Khokhlova
    "New methods and transducer designs for ultrasonic diagnostics and therapy"

    Physics procedia

    70
    1152-1156
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  9. Gavrilov L.R., Sapozhnikov O.A., Khokhlova V.A.
    "Spiral arrangement of elements of two-dimensional ultrasonic therapeutic arrays as a way of increasing the intensity at the focus"

    Bulletin of the Russian Academy of Sciences. Physics

    79
    10
    1232–1237
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2014

  1. V. A. Khokhlova, Y.-N. Wang, S.V. Buravkov, A.D. Maxwell, T.D. Khokhlova, D.W. Lin, O.A. Sapozhnikov, M.R. Bailey, G.R. Schade
    "Histological analysis of mechanical lesions induced by high intensity focused ultrasound in ex-vivo human and porcine kidneys"

    Memoirs of the Faculty of Physics

    5
    145343
  2. P.V. Yuldashev, A. Maxwell, W. Kreider, O.A. Sapozhnikov, M. Bailey, L. Crum, V.A. Khokhlova
    "Measurement and modeling of acoustic field of a therapeutic multielement transducer in a wide range of acoustic intensities up to appearance of saturation effect in the focus"

    Memoirs of the Faculty of Physics

    5
    145346

2013

  1. W. Kreider, P. V. Yuldashev, O. A. Sapozhnikov, N. Farr, A. Partanen, M. R. Bailey, and V. A. Khokhlova
    "Characterization of a Multi-Element Clinical HIFU System Using Acoustic Holography and Nonlinear Modeling"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

    60
    8
    1683-1698
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  2. P.V. Yuldashev, S.M. Shmeleva, S.A. Ilyin, O.A. Sapozhnikov, L.R. Gavrilov, V.A. Khokhlova
    "The role of acoustic nonlinearity in tissue heating behind a rib cage using high intensity focused ultrasound phased array"

    Phys. Med. Biol.

    58
    8
    2537-2559
  3. V.A. Khokhlova, Y.-N. Wang, S.V. Buravkov, A.D. Maxwell, T.D. Khokhlova, D.W. Lin, O.A. Sapozhnikov, M.R. Bailey, G.R. Schade
    "Histological analysis of mechanical lesions induced by high intensity focused ultrasound in ex-vivo human and porcine kidneys"

    Memoirs of the Faculty of Physics

    39
    3
    424-438
  4. Sapozhnikov O.A., and Bailey M.R.
    "Radiation force of an arbitrary acoustic beam on an elastic sphere in a fluid"

    . Acoust. Soc. Am.

    133
    2
    661-676
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  5. Karabutov Jr., A.A., Kosevich Y.A., and Sapozhnikov O.A.
    "Bloch oscillations of an acoustic field in a layered structure"

    Acoustical Physics

    59
    2
    137–147
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  6. Lu W., Sapozhnikov O.A., Bailey M.R., Kaczkowski P.J., and Crum L.A.
    "Evidence for trapped surface bubbles as the cause for the twinkling artifact in ultrasound imaging"

    Ultrasound in Medicine and Biology

    39
    6
    1026-1038
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  7. Bailey M.R., Wang Y.-N. , Simon J.C., Cunitz B.W., Harper J.D., Hsi R.S., Starr F., Paun M., Dunmire B., Sapozhnikov O.A., Crum L.A., and Sorensen M.D.
    "Acoustic radiation force to reposition kidney stones"

    J. Acoust. Soc. Am.

    133
    5(2)
    3279
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  8. Tsysar S., Kreider W., and Sapozhnikov O.
    "Improved hydrophone calibration by combining acoustic holography with the radiation force balance measurements"

    J. Acoust. Soc. Am.

    133
    5(2)
    3296
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  9. Sapozhnikov O., Lu W., Bailey M., Kaczkowski P., and Crum L.
    "Bubbles trapped on the surface of kidney stones as a cause of the twinkling artifact in ultrasound imaging"

    J. Acoust. Soc. Am.

    133
    5(2)
    3315
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  10. Khokhlova T.D., Li T., Sapozhnikov O.A., and Hwang J.H.
    "The use of twinkling artifact of Doppler imaging to monitor cavitation in tissue during high intensity focused ultrasound therapy"

    J. Acoust. Soc. Am.

    133
    5(2)
    3315
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  11. Sapozhnikov O.A.
    "Review of the book «High intensity focused ultrasound in medicine»(by L.R. Gavrilov)"

    J. Acoust. Soc. Am.

    133
    6
    4348-4349
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2012

  1. M.M. Karzova, M.V. Averiyanov, O.A. Sapozhnikov, and V.A. Khokhlova
    "Mechanisms for saturation of nonlinear pulsed and periodic signals in focused acoustic beams"

    Acoust. Phys.

    58
    1
    81–89
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  2. J.C. Simon, O.A. Sapozhnikov, V.A. Khokhlova, Y.-N. Wang, L.A. Crum, and M.R. Bailey
    "Ultrasonic atomization of tissue and its role in tissue fractionation by high intensity focused ultrasound"

    Phys. Med. Biol.

    57
    23
    8061-8078
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  3. A. Maxwell, O. Sapozhnikov, M. Bailey, L. Crum, Z. Xu, B. Fowlkes, C. Cain, V. Khokhlova.
    "Disintegration of tissue using high intensity focused ultrasound: Two approaches that utilize shock waves"

    Acoustics Today

    8
    4
    24-36
  4. Sapozhnikov O.A.
    "An exact solution to the Helmholtz equation for a quasi-Gaussian beam in the form of а superposition of two sources and sinks with complex coordinates"

    Acoustical Physics

    58
    1
    41–47
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2011

  1. T.D. Khokhlova, M.S. Canney, V.A. Khokhlova, O.A. Sapozhnikov, L.A. Crum, M. R. Bailey
    "Controlled tissue emulsification produced by high intensity focused ultrasound shock waves and millisecond boiling"

    J. Acoust. Soc. Am.

    130
    5
    3498-3510
  2. Tsysar S.A., Sinelnikov Y.D., and Sapozhnikov O.A.
    "Characterization of cylindrical ultrasonic transducers using acoustic holography"

    Acoustical Physics

    57
    1
    94–105
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  3. Kudryavtsev A.G., and Sapozhnikov O.A.
    "Determination of the exact solutions to the inhomogeneous Burgers equation with the use of the Darboux transformation"

    Acoustical Physics

    57
    3
    311–319
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  4. Maxwell A.D., Wang T.-Y., Cain C.A., Fowlkes J.B., Sapozhnikov O.A., Bailey M.R., and Xu Z.
    "Cavitation clouds created by shock scattering from bubbles during histotripsy"

    J. Acoust. Soc. Am.

    130
    4
    1888-1898
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  5. Kreider W., Crum L.A., Bailey M.R., and Sapozhnikov O.A.
    "A reduced-order, single bubble cavitation model with applications to therapeutic ultrasound"

    J. Acoust. Soc. Am.

    130
    5(2)
    3511-3530
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  6. Kreider W., Crum L.A., Bailey M.R., and Sapozhnikov O.A.
    "Observations of the collapses and rebounds of millimeter-sized lithotripsy bubbles"

    J. Acoust. Soc. Am.

    130
    5(2)
    3531-3540
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  7. Andreev V.G., Krit T.B., and Sapozhnikov O.A.
    "Shear waves in a resonator with cubic nonlinearity"

    Acoustical Physics

    57
    6
    779–786
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2010

  1. P. Yuldashev, S. Ollivier, M. Averiyanov, O. Sapozhnikov, V.Khokhlova, Ph. Blanc-Benon
    "Nonlinear propagation of spark-generated N-waves in air: Modeling and measurements using acoustical and optical methods"

    J. Acoust. Soc. Am.

    128
    6
    3321-3333
  2. Sorensen M.D., Shah A.R., Canney M.S., Sapozhnikov O.A., Teichman J.M., and Bailey M.R.
    "Ureteroscopic ultrasound technology to size kidney stone fragments: Proof of principle using a miniaturized probe in a porcine model"

    Journal of Endourology

    24
    6
    939-942
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  3. Andreev V.G., Krit T.B., and Sapozhnikov O.A.
    "Standing waves in an elastic layer loaded with a finite mass"

    Acoustical Physics

    56
    2
    168–173
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  4. Karabutov Jr., A.A., Karabutov A.A., and Sapozhnikov O.A.
    "Determination of the elastic properties of layered materials using laser excitation of ultrasound"

    Physics of Wave Phenomena

    18
    4
    297-302
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  5. Andreev V.G., Krit T.B., and Sapozhnikov O.A.
    "Standing shear waves in rubberlike layered media"

    Acoustical Physics

    56
    5
    605–612
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2009

  1. Sapozhnikov, O.A., Morozov, A.V., and Cathignol D.
    "Acousto-optic interaction in laser vibrometry in a liquid"

    Acoustical Physics

    55
    3
    365–375
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  2. Tsysar, S.A., Sapozhnikov, O.A., and Andreev V.G.
    "Acoustic tomography of temperature distribution in a medium heated by a focused ultrasound beam"

    Bulletin of the Russian Academy of Sciences: Physics

    73
    4
    529–532
  3. Sinelnikov Y.D., Fjield T., and Sapozhnikov O.A.
    "The mechanism of lesion formation by focused ultrasound ablation catheter for treatment of atrial fibrillation"

    Acoustical Physics

    55
    4-5
    647–656
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2008

  1. M.S. Canney, M.R. Bailey, L.A. Crum, V.A. Khokhlova, and O.A. Sapozhnikov
    "Acoustic characterization of high intensity focused ultrasound fields: A combined measurement and modeling approach"

    J. Acoust. Soc. Am.

    124
    4
    2406-2420

2007

  1. Owen N.R., Bailey M.R., Crum L.A., Sapozhnikov O.A., and Trusov L.A.
    "The use of resonant scattering to identify stone fracture in shock wave lithotripsy"

    J. Acoust. Soc. Am.

    121
    1,Express Letters
    EL41-EL47
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  2. Sapozhnikov O.A., Maxwell A.D., MacConaghy B., and Bailey M.R.
    "A mechanistic analysis of stone fracture in lithotripsy"

    J. Acoust. Soc. Am.

    112
    2
    1190-1202
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  3. Ponomarev A.E., Bulatitski S.I., and Sapozhnikov O.A.
    "Compression and amplification of an ultrasonic pulse reflected from a one-dimensional layered structure"

    Acoustical Physics

    53
    2
    127–135
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2006

  1. M.V. Averianov, V.A. Khokhlova, R.O. Cleveland, O.A. Sapozhnikov, Ph. Blanc-Benon
    "Parabolic equation for nonlinear acoustic wave propagation in inhomogeneous moving media"

    Acoust. Phys.

    52
    6
    725-735
  2. C. Lafon, V.A. Khokhlova, P.J. Kaczkowski, M.R. Bailey, O.A. Sapozhnikov, and L.A. Crum
    "Use of a bovine eye lens for observation of HIFU-induced lesions in real-time"

    Ultrasound in Med. and Biol.

    32
    11
    1731-1741
  3. Sapozhnikov O.A, Ponomarev A.E., and Smagin M.A.
    "Transient acoustic holography for reconstructing the particle velocity of the surface of an acoustic transducer"

    Acoustical Physics

    52
    3
    324–330

2005

  1. Bailey M.R., Pishchalnikov Y.A., Sapozhnikov O.A. Cleveland R.O. McAteer J.A. Miller N.A. Pishchalnikova I.V. Connors B.A. Crum L.A. and Evan A.P.
    "Cavitation detection during shock wave lithotripsy"

    Ultrasound Med. Biol.

    31
    9
    1245-1256
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  2. Cleveland R.O., and Sapozhnikov O.A.
    "Modeling elastic wave propagation in kidney stones with application to shock wave lithotripsy"

    J. Acoust. Soc. Am.

    118
    4
    2667-2676
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  3. Pishchalnikov Y.A., Sapozhnikov O.A., Bailey M.R., Pishchalnikova I.V., Williams Jr. J.C., and McAteer J.A.
    "Cavitation selectively reduces the negative-pressure phase of lithotripter shock pulses"

    Acoustics Research Letters Online (ARLO)

    6
    4
    280-286
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  4. Lafon C., Zderic V., Noble M.L., Yuen J.C., Kaczkowski P.G., Sapozhnikov O.A., Chavrier F., Crum L.A., and Vaezy S.
    "Gel phantom for use in high-intensity focused ultrasound dosimetry"

    Ultrasound in Medicine and Biology

    31
    10
    1383-1389
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2004

  1. O.A. Sapozhnikov, V.A. Khokhlova, and D.Cathignol
    "Nonlinear waveform distortion and shock formation in the near field of a continuous wave piston source"

    J. Acoust. Soc. Am.

    115
    5(1)
    1982-1987
  2. Rudenko O.V., and Sapozhnikov O.A.
    "Self-action effects for wave beams containing shock fronts"

    Physics-Uspekhi

    47
    9
    907-922
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  3. Crum L.A., Bailey M.R., Guan J., Hilmo P.R., Kargl S.G., Matula T.J., and Sapozhnikov O.A.
    "Monitoring bubble growth in supersaturated blood and tissue ex vivo and the relevance to marine mammal bioeffects"

    Acoustics Research Letters Online (ARLO)

    6
    3
    214-220
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2003

  1. M.R. Bailey, V.A. Khokhlova, O.A. Sapozhnikov, S.G. Kargl, and L.A. Crum
    "Physical mechanisms of the therapeutic effect of ultrasound"

    Acoust. Phys.

    49
    4
    369-388
  2. Sapozhnikov O.A., Pishchalnikov Y.A., and Morozov A.V.
    "Reconstruction of the normal velocity distribution on the surface of an ultrasonic transducer from the acoustic pressure measured on a reference surface"

    Acoustical Physics

    49
    3
    354–360
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  3. Pishchalnikov Y.A., Sapozhnikov O.A. Bailey M.R., Williams Jr. J.C., Cleveland R.O., Colonius T., Crum L.A., Evan A.P., and McAteer J.A.
    "Cavitation bubble cluster activity in the breakage of kidney stones by lithotripter shockwaves"

    Journal of Endourology

    17
    7
    435-446
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  4. Brysev A.P., Lyakhov G.A., Maslov I.A., Oppengeim V.D., Petnikov V.G., Pereselkov S.A., Korshak B.A., Sapozhnikov O.A., Rybak S.A., and Serebryanny A.N.
    "Acoustic methods for sounding of natural media"

    Physics of Wave Phenomena

    11
    4
    177-219

2002

  1. O.V. Sapozhnikov, V.A. Khokhlova, M.R. Bailey, J.C. Williams, J.A. McAteer, R.O. Cleveland, and L.A. Crum
    "Effect of overpressure and pulse repetition frequency on cavitation in shock wave lithotripsy"

    J. Acoust. Soc. Am.

    112
    3(1)
    1183 - 1195
  2. Pishchalnikov, Y.A., Sapozhnikov, O.A., and Sinilo, T.V.
    "Increase of the efficiency of the shear wave generation in gelatine due to the nonlinear absorption of a focused ultrasonic beam"

    Acoustical Physics

    48
    2
    214-219
  3. Sapozhnikov O.A. and Sinilo T.V.
    "Acoustic field produced by a concave radiating surface with allowance for the diffraction"

    Acoustical Physics

    48
    6
    720-727
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  4. Morozov A.V., Sapozhnikov O.A., and Pishchalnikov Y.A.
    "Method of measurements of vibrational velocity on ultrasonic source surface: Numerical analysis of accuracy"

    Physics of Vibrations

    10
    2
    93-99
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2001

  1. M.R. Bailey, L.N. Couret, O.A. Sapozhnikov, V.A. Khokhlova, G. ter Haar, S. Vaezy, X. Shi, R. Martin,, L.A. Crum
    "Use of overpressure to assess the role of bubbles in focused ultrasound lesion shape in vitro"

    Ultrasound in Med. and Biol.

    27
    5
    695 –708
  2. V.A. Khokhlova, R. Souchon, J. Tavakkoli, O.A. Sapozhnikov, and D. Cathignol
    "Numerical modeling of finite amplitude sound beams: Shock formation in the nearfield of a cw plane piston source"

    J. Acoust. Soc. Am.

    110
    1
    95-108

2000

  1. V.A. Khokhlova, O.A. Sapozhnikov, S.S. Kashcheeva, P. Lotton, V.E. Gusev, S. Job, and M. Bruneau
    "Effects of nonlinear saturation for acoustic waves propagating in a medium with frequency dependent gain"

    Bulletin of the Russian Academy of Sciences, Physics

    64
    12
    1850-1853
  2. S.S. Kashcheeva, O.A. Sapozhnikov, V.A. Khokhlova, M.A. Averkiou, and L.A. Crum
    "Nonlinear distortion and attenuation of intense acoustic waves in lossy media obeying a frequency power law"

    Acoustical Physics

    46
    2
    170-177
  3. Chapelon J.-Y., Cathignol D., Cain C., Ebbini E., Kluiwstra J.-U., Sapozhnikov O.A., Fleury G., Berriet R., Chupin L., and Guey J.-L.
    "New piezoelectric transducers for therapeutic ultrasound"

    Ultrasound in Medicine and Biology

    26
    1
    153-159
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  4. Cleveland, R.O., Sapozhnikov, O.A., Bailey, M.R., and Crum, L.A.
    "A dual passive cavitation detector for localized detection of lithotripsy-induced cavitation in vitro"

    J.Acoust.Soc.Am.

    107
    3
    1745-1758
    PDF icon download
  5. Sapozhnikov, O.A., and Hamilton, M.F.
    "Nonlinear wave processes in acoustics"

    J.Acoust.Soc.Am.

    108
    1
    14-15

1999

  1. V.G. Andreev, Yu.A. Pishchal’nikov, O.A. Sapozhnikov, V.A. Khokhlova, and R.O. Cleveland
    "Diagnostics of a relaxing medium by an acoustic pulse with shock front."

    Acoustical Physics

    45
    1
    8-13
  2. Gaidukov Y.P., Danilova N.P., and Sapozhnikov O.A.
    "Vibration modes of an isotropic disk with a weak dependence of the disk thickness"

    Acoustical Physics

    45
    2
    163-171
  3. Cathignol D., Sapozhnikov O.A., and Theillere Y.
    "Comparison of acoustic fields radiated from piezoceramic and piezocomposite focused radiators"

    J.Acoust.Soc.Am.

    105
    5
    2612 2617
  4. Cathignol, D., and Sapozhnikov, O.A.
    "On the application of the Rayleigh integral to the calculation of the field of a concave focusing radiator"

    Acoustical Physics

    45
    6
    735-742

1998

  1. Tavakkoli J., Cathignol D., Souchon R., and Sapozhnikov O.A.
    "Modeling of pulsed finite-amplitude focused sound beams in time domain"

    J.Acoust.Soc.Am.

    104
    4
    2061-2072
  2. Andreev, V.G., Klopotov, R.V., Pishchalnikov Y.A., Sapozhnikov, O.A.
    "Shear wave excited in a rubberlike medium by an acoustic pulse with shock front"

    Bulletin of the Russian Academy of Sciences. Physics

    62
    12
    1903-1906
  3. Kudryavtsev, A.G. and Sapozhnikov, O.A.
    "Symmetries of the generalized Khokhlov-Zabolotskaya equation"

    Acoustical Physics

    44
    5
    541-546
  4. Kudryavtsev A.G. and Sapozhnikov O.A.
    "Properties of powerful acoustic beams described by the generalized Khokhlov-Zabolotskaya equation"

    Acoustical Physics

    44
    6
    704-708

1997

  1. Andreev, V.G., Dmitriev, V.N., Pishchal’nikov, Y.A., Rudenko, O.V., Sapozhnikov, O.A., and Sarvazyan, A.P.
    "Observation of shear waves excited by focused ultrasound in a rubber-like medium"

    Acoustical Physics

    43
    2
    123-128

1996

  1. Dupenloup, F., Chapelon, J.Y., Cathignol, D.J., and Sapozhnikov, O.A.
    "Reduction of the grating lobes of annular arrays used in focused ultrasound surgery"

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

    43
    6
    991-998

1994

  1. Rudenko O.V. and Sapozhnikov O.A.
    "Wave beams in cubically nonlinear nondispersive media"

    JETP

    79
    2
    220-229

1993

  1. Musatov A.G., and Sapozhnikov O.A.
    "Focusing of powerful acoustic pulses under different convergence angles of wave front"

    Sov. Phys. - Acoust. (USA)

    39
    2
    166-169
  2. Rudenko O.V, and Sapozhnikov O.A.
    "Undelayed self-focusing of nondispersive waves with a broad spectrum"

    Quantum Electronics

    23
    10
    896–898

1992

  1. Musatov A.G., Rudenko O.V., and Sapozhnikov O.A.
    "Nonlinear refraction and nonlinear absorption in the focusing of high-intensity pulses"

    Sov. Phys. - Acoust. (USA)

    38
    3
    274-279
  2. Andreev V.G., Veroman V.Y., Denisov G.A., Rudenko O.V., and Sapozhnikov O.A.
    "Nonlinear acoustical aspects of extracorporeal lithotripsy"

    Sov. Phys. - Acoust. (USA)

    38
    4
    325-327

1991

  1. Sapozhnikov O.A.
    "Focusing of high-intensity acoustic pulses"

    Sov. Phys.- Acoust. (USA)

    37
    4
    395-400

1990

  1. Rudenko O.V., Sagatov M.M., and Sapozhnikov O.A.
    "Thermal self-focusing of sawtooth waves"

    JETP

    71
    3
    449-454

1989

  1. Karabutov A.A., Rudenko O.V., and Sapozhnikov O.A.
    "Thermal self-focusing of weak shock waves"

    Sov. Phys. - Acoust. (USA)

    35
    1
    40-41

1988

  1. Karabutov A.A., Rudenko O.V., and Sapozhnikov O.A.
    "Equations for thermal self-focussing in a liquid"

    Mosc. Univ. Phys. Bull. (USA)

    43
    4
    68-72
  2. Karabutov A.A., Rudenko O.V., and Sapozhnikov O.A.
    "Theory of thermal self-focusing with allowance for the generation of shock waves and acoustic streaming"

    Sov. Phys. - Acoust. (USA)

    34
    4
    371-374
  3. Karabutov A.A. and Sapozhnikov O.A.
    "Finite-amplitude acoustic waves in a transonic zone of a compressible gas flow"

    Sov. Phys. - Acoust. (USA)

    34
    5
    501-504
  4. Rudenko O.V. and Sapozhnikov O.A.
    "Theoretical description of thermal self-focusing of saw-tooth acoustic waves"

    Mosc. Univ. Phys. Bull. (USA)

    43
    6
    106-108

1987

  1. Armeev V.Y., Karabutov A.A., and Sapozhnikov O.A.
    "Distinctive features of the thermal self-focusing of ultrasound in a liquid"

    Sov. Phys. - Acoust. (USA)

    33
    2
    109-111

1986

  1. Karabutov A.A. and Sapozhnikov O.A.
    "Reflection of acoustic disturbances from the transonic zone of a Laval nozzle"

    Sov. Phys. - Acoust. (USA)

    32
    4
    338-340
  2. Andreev V.G., Armeev V.Y., Karabutov A.A., Rudenko O.V., and Sapozhnikov O.A.
    "Self-action and bistability in an acoustic resonator"

    Acoust. (USA)

    32
    5
    404-405

1985

  1. Andreev, V.G., Gusev, V.E., Karabutov, A.A., Rudenko, O.V., and Sapozhnikov, O.A.
    "Enhancement of the Q of a nonlinear acoustic resonator by means of a selectively absorbing mirror"

    Sov. Phys. - Acoust. (USA)

    31
    2
    162-163
  2. Andreev, V.G., Karabutov, A.A., Rudenko, O.V., and Sapozhnikov, O.A.
    "Observation of self-focusing of sound"

    JETP Lett. (USA)

    41
    9
    466-469
  3. Andreev, V.G., Karabutov, A.A., Rudenko, O.V., and Sapozhnikov, O.A.
    "Observation of the self-induced thermal action of a high-intensity ultrasonic beam in water"
    31
    5
    393-394