Igor I Katkov

Summary

Publications

  1. ncbi request reprint The point of maximum cell water volume excursion in case of presence of an impermeable solute
    Igor I Katkov
    Celltronix, 9263 Pebblestone Ln, San Diego, CA 92126, USA
    Cryobiology 44:193-203. 2002
  2. ncbi request reprint Cryoprotectant-free cryopreservation of human spermatozoa by vitrification and freezing in vapor: effect on motility, DNA integrity, and fertilization ability
    Vladimir Isachenko
    Department of Gynecological Endocrinology and Reproductive Medicine, University of Bonn, 53105 Bonn, Germany
    Biol Reprod 71:1167-73. 2004
  3. ncbi request reprint Influence of exposure to vitrification solutions on 2-cell mouse embryos: II. Osmotic effects or chemical toxicity?
    Igor I Katkov
    UCSD Department of Pediatrics and The Burnham Institute for Medical Research, San Diego, California 92037, USA
    Cryo Letters 28:409-27. 2007
  4. doi request reprint Challenge from the simple: some caveats in linearization of the Boyle-van't Hoff and Arrhenius plots
    Igor I Katkov
    Celltronix, San Diego, California, USA
    Cryobiology 57:142-9. 2008
  5. pmc DMSO-Free Programmed Cryopreservation of Fully Dissociated and Adherent Human Induced Pluripotent Stem Cells
    Igor I Katkov
    Celltronix, San Diego, CA 92196, USA
    Stem Cells Int 2011:981606. 2011
  6. doi request reprint On proper linearization, construction and analysis of the Boyle-van't Hoff plots and correct calculation of the osmotically inactive volume
    Igor I Katkov
    Stem Cell Center, Sanford Burnham Medical Reserch Institute, La Jolla, CA 92037, USA
    Cryobiology 62:232-41. 2011
  7. ncbi request reprint Prediction of the glass transition temperature of water solutions: comparison of different models
    Igor I Katkov
    UCSD Cancer Center, The Burnham Institute, 10901 North Torrey Pines, Bldg 7, r 7 105, La Jolla, CA, USA
    Cryobiology 49:62-82. 2004
  8. ncbi request reprint Cryopreservation by slow cooling with DMSO diminished production of Oct-4 pluripotency marker in human embryonic stem cells
    Igor I Katkov
    UCSD Cancer Center, San Diego, CA 92122, USA Stem Cell Center Core, Burnham Institute for Medical Research BIMR, La Jolla, CA 92037, USA
    Cryobiology 53:194-205. 2006
  9. ncbi request reprint Cryopreservation of human insulin expressing cells macro-encapsulated in a durable therapeutic immunoisolating device theracyte
    Ilya Yakhnenko
    Cryocore of the Stem Cell Center, Sanford Burnham Medical Research Institute, La Jolla, California 92037, USA
    Cryo Letters 33:518-31. 2012
  10. ncbi request reprint Influence of exposure to vitrification solutions on 2-cell mouse embryos: I. Intracellular potassium and sodium content
    Alexander G Pogorelov
    Institute of Theoretical and Experimental Biophysics, RAS, 142290 Puschino, Moscow Region, Russia
    Cryo Letters 28:403-8. 2007

Collaborators

Detail Information

Publications14

  1. ncbi request reprint The point of maximum cell water volume excursion in case of presence of an impermeable solute
    Igor I Katkov
    Celltronix, 9263 Pebblestone Ln, San Diego, CA 92126, USA
    Cryobiology 44:193-203. 2002
    ..Practical aspects of the relativistic permeability approach are also discussed...
  2. ncbi request reprint Cryoprotectant-free cryopreservation of human spermatozoa by vitrification and freezing in vapor: effect on motility, DNA integrity, and fertilization ability
    Vladimir Isachenko
    Department of Gynecological Endocrinology and Reproductive Medicine, University of Bonn, 53105 Bonn, Germany
    Biol Reprod 71:1167-73. 2004
    ..Herein, we discuss the implications of this finding in the light of the physics of extra- and intracellular vitrification...
  3. ncbi request reprint Influence of exposure to vitrification solutions on 2-cell mouse embryos: II. Osmotic effects or chemical toxicity?
    Igor I Katkov
    UCSD Department of Pediatrics and The Burnham Institute for Medical Research, San Diego, California 92037, USA
    Cryo Letters 28:409-27. 2007
    ..The osmotic damage vs. specific chemical toxicity of the vitrificants as the major cause of the elemental disturbance of intracellular potassium and sodium content are discussed...
  4. doi request reprint Challenge from the simple: some caveats in linearization of the Boyle-van't Hoff and Arrhenius plots
    Igor I Katkov
    Celltronix, San Diego, California, USA
    Cryobiology 57:142-9. 2008
    ....
  5. pmc DMSO-Free Programmed Cryopreservation of Fully Dissociated and Adherent Human Induced Pluripotent Stem Cells
    Igor I Katkov
    Celltronix, San Diego, CA 92196, USA
    Stem Cells Int 2011:981606. 2011
    ..CP of cells directly in plates in ready-to-go after thawing format for HT/HC screening can be beneficial in many SC-related scientific and commercial applications such as drug discovery and toxicity tests...
  6. doi request reprint On proper linearization, construction and analysis of the Boyle-van't Hoff plots and correct calculation of the osmotically inactive volume
    Igor I Katkov
    Stem Cell Center, Sanford Burnham Medical Reserch Institute, La Jolla, CA 92037, USA
    Cryobiology 62:232-41. 2011
    ....
  7. ncbi request reprint Prediction of the glass transition temperature of water solutions: comparison of different models
    Igor I Katkov
    UCSD Cancer Center, The Burnham Institute, 10901 North Torrey Pines, Bldg 7, r 7 105, La Jolla, CA, USA
    Cryobiology 49:62-82. 2004
    ..Practical pitfalls related to determining water content, including experimental data on thermal gravimetry, are also discussed...
  8. ncbi request reprint Cryopreservation by slow cooling with DMSO diminished production of Oct-4 pluripotency marker in human embryonic stem cells
    Igor I Katkov
    UCSD Cancer Center, San Diego, CA 92122, USA Stem Cell Center Core, Burnham Institute for Medical Research BIMR, La Jolla, CA 92037, USA
    Cryobiology 53:194-205. 2006
    ..It is concluded that new protocols and media are required for freezing hESC and safe storage at -80 degrees C as well as studies of the mechanisms of stress-related events associated with cell cryopreservation...
  9. ncbi request reprint Cryopreservation of human insulin expressing cells macro-encapsulated in a durable therapeutic immunoisolating device theracyte
    Ilya Yakhnenko
    Cryocore of the Stem Cell Center, Sanford Burnham Medical Research Institute, La Jolla, California 92037, USA
    Cryo Letters 33:518-31. 2012
    ..The survived cryopreserved macro-encapsulated INPCs remained fully functional suggesting that CP of macro-encapsulated cells is a promising tool for cell based therapies...
  10. ncbi request reprint Influence of exposure to vitrification solutions on 2-cell mouse embryos: I. Intracellular potassium and sodium content
    Alexander G Pogorelov
    Institute of Theoretical and Experimental Biophysics, RAS, 142290 Puschino, Moscow Region, Russia
    Cryo Letters 28:403-8. 2007
    ..Further exposure to 30%-EG for 3 min led to a two-fold decrease of both elements (60 +/- 3 mM and 66 +/- 2 mM for K and Na, respectively)...
  11. ncbi request reprint Changes in intracellular potassium and sodium content of 2-cell mouse embryos induced by exposition to vitrification concentrations of ethylene glycol
    Alexander G Pogorelov
    Institute of Theoretical and Experimental Biophysics, Moscow Region, Russia
    Cryo Letters 27:87-98. 2006
    ..Possible mechanisms of changes in the intracellular elemental concentrations including the high intracellular sodium observed in intact embryos are discussed...
  12. ncbi request reprint Clean technique for cryoprotectant-free vitrification of human spermatozoa
    Vladimir Isachenko
    Department of Endocrinology and Reproductive Medicine, University of Bonn, Sigmund Freud Strasse 25, 53127 Bonn, Germany
    Reprod Biomed Online 10:350-4. 2005
    ....
  13. ncbi request reprint Vitrification of mammalian spermatozoa in the absence of cryoprotectants: from past practical difficulties to present success
    Eugenia Isachenko
    Department of Obstetrics and Gynecology, University of Cologne, Kerpener Strasse 34, 50931 Cologne, Germany
    Reprod Biomed Online 6:191-200. 2003
    ....
  14. ncbi request reprint Vitrification of human laser treated blastocysts within cut standard straws (CSS): novel aseptic packaging and reduced concentrations of cryoprotectants
    Vladimir Isachenko
    IVF Clinic AltraVita, Moscow, Russia
    Cryobiology 54:305-9. 2007
    ..Our results indicate that the use of reduced concentrations of cryoprotectants and aseptic packaging of blastocysts did not have any statistically significant impact on the study outcomes...