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Created: 10.12.2020
Updated: 14.12.2020
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Biography
Petar Atanassov Kralchevsky
(23.10.1956 – 05.12.2020)


Born in Gabrovo

Education

Graduated nuclear physics from the Sofia University (1976–1981)

Ph.D. from the Chemical Physics laboratory (1982–1985) at the Sofia University (1985)

He became Sc.D. on physics (2001)

Research

Thin liquid films and surface forces, fluid interfaces, capillary forces and phenomena, phospholipid membranes, solubilization in micellar solutions, thermodynamics and kinetics of surfactant adsorption, attachment of particles to interfaces, and interactions in colloidal and bio-colloidal dispersions.

Profesional Experience

Physicist at the Sofia UNiversity Faculty of Chemistry (1981), Associate Professor (1990), Professor on condensed matter physics (2002)

Head of the laboratory of Thermodynamics and Physicochemical Hydrodynamics (1993–1999); Laboratory of Chemical Physics and Engineering (2000–2008); and Laboratory of Complex Fluids(2017–2020)

Bulgarian Academy of Sciences corresponding member (2004), Full member (2012)

Dean of the Faculty on Chemistry and Pharmacy (2015–2019)

Chair of the European COST Action D43 Colloid and Interface Chemistry for Nanotechnology (2008–2011) and Vice Chair of COST Action CM1101 Colloidal Aspects of Nanoscience for Innovative Processes and Materials (2012–2016)

He has been Secretary of the European Colloid and Interface Society (ECIS) since 2010 and Member of the Council of the International Association of Colloid and Interface Scientists (IACIS) (2015–2020)

European Academy of Sciences member 2020

University Practice

Visiting professor in the Illinois Institute of Technology (Chicago, USA, 1987) in the Nagayama Protein Array Project (Tsukuba, Japan, 1992); Laboratory of Ultrastructure Research, NIPS (Okazaki, Japan, 1999)

Supervised 39 Diploma Works of B.Sc. and M.Sc. students and 16 Theses of Ph.D. students at the Sofia University Faculty of Chemistry and Pharmacy, Department of Chemical and Pharmaceutical Engineering

Awards

He was recipient of the Prof. A. Zlatarov Prize of the Bulgarian Academy of Sciences and the Sofia University in 1990

He was awarded the "St. Kliment Ohridski" University of Sofia Blue Ribbon Medal for significant achievements in science (2006)

the Annual award "Best Professor" (2007),

the highest National Award "Pythagoras" for scientific achievements (2016) of the Bulgarian Ministry of Education and Science

Publications

Prof. Kralchevski published 220 research and review papers, one book; over 10,000 citations of his publications have been found

He has 262 scientific conference reports: 8 plenary lectures, 50 invited and keynote lectures, 96 oral presentations and 108 posters

  1. P. Kralchevsky, A. Nikolov, Asymptotic Equations in a Model of Hadron Interaction". Bulg. J. Phys., 9 (1982) 109-118

  2. P. Kralchevsky, A. Nikolov, Model Hadron Asymptotic Behaviour". Bulg. J. Phys., 10 (1983) 3-12

  3. P. Kralchevsky, I. Ivanov, On the Mechanical Equilibrium between a Film of Finite Thickness and the External Meniscus, Chem. Phys. Lett., 121 (1985) 111-115

  4. P. Kralchevsky, I. Ivanov, The Transition Region between a Thin Film and the Capillary Meniscus, Chem. Phys. Lett., 121 (1985) 116-121

  5. P. Kralchevsky, I. Ivanov and A. Nikolov, Curvature Effects on the Attachment of a Particle to an Interface, VI International Tagung uber Grenzflachenactive Stoffe. Abhanlungen Akad. Wissensch. DDR, 1985, Nr. 1N, pp 87-94. Akademie Verlag, Berlin

  6. I. Ivanov, P. Kralchevsky, A. Nikolov, Film and Line Tension Effects on the Attachment of Particles to an Interface: I. Conditions for Mechanical Equilibrium of Fluid and Solid Particles at a Fluid Interface, J. Colloid Interface Sci., 112 (1986) 97-107

  7. P. Kralchevsky, I. Ivanov, A. Nikolov, Film and Line Tension Effects on the Attachment of Particles to an Interface: II. Shapes of the Bubble (Drop) and the External Meniscus, J. Colloid Interface Sci., 112 (1986) 108-120

  8. A. Nikolov, P. Kralchevsky, I. Ivanov, Film and Line Tension Effects on the Attachment of Particles to an Interface: III. Differential Interferometric Method for Determination the Shapes of Fluid Surfaces, J. Colloid Interface Sci., 122 (1986) 122-131

  9. P. Kralchevsky, A. Nikolov, I. Ivanov, Film and Line Tension Effects on the Attachment of Particles to an Interface: IV. Experimental Studies with Bubbles in Solutions of Dodecyl Sodium Sulfate, J. Colloid Interface Sci., 112 (1986) 132-143

  10. A. Nikolov, A. Dimitrov, P. Kralchevsky, Accuracy of the Differential Interferometric Measurements of Curvature - Experimental Study with Liquid Drops, Optica Acta (J. Modern Optics) 33 (1986) 1359-1368

  11. A. Nikolov, P. Kralchevsky, I. Ivanov, A. Dimitrov, Differential Interferometric Investigation of Curved Liquid Films, AIChE Symposium Series 252, vol. 82 (1986) 82-90

  12. P. Kralchevsky, I. Ivanov, Hydrostatics of Spherical Thin Films, In: Surfactants in Solution, vol. 6, (K.L. Mittal and P. Bothorel, Eds.), Plenum Press, New York, 1987, pp. 1549-1556

  13. A. Nikolov, P. Kralchevsky, I. Ivanov, A New Method for Measuring Film and Line Tensions, In: Surfactants in Solution, Vol.6 (K.L. Mittal and P. Bothorel, Eds.), Plenum Press, New York, 1987, pp. 1537-1547

  14. I. Ivanov and P. Kralchevsky, Mechanics and Thermodynamics of Curved Thin Liquid Films, In: Thin Liquid Films (I.B. Ivanov, Ed.), Marcel Dekker, New York, 1988, pp. 49-129

  15. A. Nikolov, D. Wasan, P. Kralchevsky, I. Ivanov, Ordered Structures in Thinning Micellar and Latex Foam Films, In: Ordering and Organisation in Ionic Solutions (N. Ise and I. Sogami, Eds.), World Scientific, Singapore, 1988, pp. 302-314

  16. C. Dushkin, K. Nagayama, T. Miwa, P. Kralchevsky, Colored Multilayers from Transparent Submicrometer Spheres, Langmuir 9 (1993) 3695 - 3701

  17. P. Kralchevsky. Micromechanical Description of Curved Interfaces, Thin Films and Membranes: I. Quasistatics, J. Colloid Interface Sci. 137, (1990) 217-233

  18. P. Kralchevsky, I. Ivanov. Micromechanical Description of Curved Interfaces, Thin Films and Membranes: II. Film Surface Tensions, Disjoining Pressure and Interfacial Stress Balance, J. Colloid Interface Sci. 137 (1990) 234-252

  19. A. Nikolov, P. Kralchevsky, I. Ivanov, D.T. Wasan, Ordered Micelle Structuring in Thin Films Formed from Anionic Surfactant Solutions: II. Model Development". J. Colloid Interface Sci., 133 (1989) 13-22

  20. P. Kralchevsky, A. Nikolov, D. Wasan, I. Ivanov, Formation and Expansion of Dark Spots in Stratifying Foam Films, Langmuir 6 (1990) 1180-1189

  21. L. Lobo, A. Nikolov, A. Dimitrov, P. Kralchevsky, D. Wasan, Contact Angle of Air Bubbles Attached to an Air-Water Surface in Foam Applications, Langmuir 6 (1990) 995-1001

  22. I. Ivanov, A. Nikolov, P. Kralchevsky, N. Denkov, Reply to the Letter by Derjaguin and Churaev, J. Colloid Interface Sci. 134 (1990) 294-296

  23. A. Dimitrov, P. Kralchevsky, A. Nikolov, D. Wasan, Contact Angles of Thin Liquid Films – Interferometric Determination, Colloids and Surfaces, 47 (1990) 299-321

  24. T. Gurkov, P. Kralchevsky, Surface Tension and Surface Energy of Curved Interfaces and Membranes, Colloids and Surfaces, 47 (1990) 45-68

  25. P. Kralchevsky, N. Denkov, I. Ivanov, A. Nikolov, Attraction between Brownian Particles of Identical Charge in Colloid Crystals, Chem. Phys. Letters, 166 (1990) 452-458

  26. A. Nikolov, D. Wasan, N. Denkov, P. Kralchevsky, I. Ivanov, Drainage of Foam Films in the Presence of Non-ionic Micelles, Prog. Colloid Polym. Sci, 82 (1990) 87-98

  27. N. Denkov, P. Kralchevsky, I. Ivanov, C. Vassilieff, Effect of Droplet Deformation on the Interactions in Microemulsions, J. Colloid Interface Sci. 143 (1991) 157-173

  28. P. Kralchevsky, N. Denkov, V. Paunov, O. Velev, I. Ivanov, H. Yoshimura, K. Nagayama, Formation of Two-Dimensional Colloid Crystals in Liquid Films under the Action of Capillary Forces, J. Phys.: Condens. Matter 6 (1994) A395-A402

  29. P. Kralchevsky, I. Ivanov, A. Dimitrov, Fluctuation-Dissipation Processes and Contact Angles of Thin Liquid Films, Chem. Phys. Letters 187 (1991) 129-136

  30. C. Dushkin, I. Ivanov, P. Kralchevsky, Kinetics of the Interfacial Tension on Flat and Spherical Interfaces at Small Deviations from Equilibrium, Ann. Univ. Sofia, Fac. Chem. 84 (1992) 23-36

  31. A. Dimitrov, P. Kralchevsky, A. Nikolov, H. Noshi, M. Matsumoto, Contact Angle Measurements with Sessile Drops and Bubbles, J. Colloid Interface Sci. 145 (1991) 279-282

  32. P. Kralchevsky, T. Gurkov. The van der Waals Component of the Interfacial Bending Moment: I. Contribution of the Pressure Tensor Tails, Colloids Surfaces, 56 (1991) 101-118

  33. T. Gurkov, P. Kralchevsky, I. Ivanov, The van der Waals Component of the Interfacial Bending Moment: II. Model Development and Numerical Results, Colloids Surfaces,56 (1991) 119-148

  34. P. Kralchevsky, T. Gurkov, I. Ivanov, The Interfacial Bending Moment: Thermodynamics and Contributions of the Electrostatic Interactions, Colloids Surfaces, 56 (1991) 149-176

  35. C. Dushkin, I. Ivanov, P. Kralchevsky, The Kinetics of the Surface Tension of Micellar Surfactant Solutions, Colloids Surfaces 60 (1991) 235-261

  36. E. Basheva, A. Nikolov, P. Kralchevsky, I. Ivanov, D. Wasan, Multi-Step-Wise Drainage and Viscosity of Macroscopic Films from Concentrated Micellar Solutions and Latex Suspensions", in Surfactants in Solution, K. Mittal, Ed., Vol. 11, Plenum Press, New York, 1991, p. 467-479

  37. I. Ivanov, P. Kralchevsky, A. Dimitrov, A. Nikolov, Dynamics of Contact Lines in Foam Films, Adv. Colloid Interface Sci., 39 (1992) 77-102

  38. J. Angarska, K. Tachev, I. Ivanov, P. Kralchevsky, E. Leonard, Red Blood Cell Interaction with a Glass Surface", in: Cell and Model Membrane Interactions", S. Okhi, Ed. in: Plenum Press, New York, 1991, p. 199-213

  39. I. Ivanov, A. Dimitrov, A. Nikolov, N. Denkov, P. Kralchevsky, Contact Angle, Film and Line Tension of Foam Films. I. Contact Angle Measurements, J. Colloid Interface Sci. 151 (1992) 446- 461

  40. A. Dimitrov, A. Nikolov, P. Kralchevsky, I. Ivanov, Contact Angle, Film and Line Tension of Foam Films. II. Film and Line Tension Measurements, J. Colloid Interface Sci. 151 (1992) 462-476

  41. N. Denkov, I. Ivanov, P. Kralchevsky, D. Wasan, A Possible Mechanism of Stabilisation of Emulsions with Solid Particles, J. Colloid Interface Sci. 150 (1992) 589-593

  42. P. Kralchevsky, V. Paunov, I. Ivanov, K. Nagayama, Capillary Meniscus Interactions between Colloidal Particles Attached to a Liquid-Fluid Interface", J. Colloid Interface Sci. 151 (1992) 79-94

  43. P. Kralchevsky, Y. Radkov, N. Denkov, Adsorption from Surfactant Solutions under Diffusion Control, J. Colloid Interface Sci. 161 (1993) 361-365

  44. P. Kralchevsky, V. Paunov, Contribution of Ionic Correlations to Excess Free Energy and Disjoining Pressure of Thin Liquid Films. I. Electric double Layer Inside the Film, Colloids Surfaces 64 (1992) 245-264

  45. V. Paunov, P. Kralchevsky Contribution of Ionic Correlations to Excess Free Energy and Disjoining Pressure of Thin Liquid Films. II. Electric Double Layer Outside the Film, Colloids Surfaces 64 (1992) 265-274

  46. D.T. Wasan, A.D. Nikolov, P.A. Kralchevsky, I.B. Ivanov, "Universality in Film Stratification Due to Colloid Crystal Formation", Colloids Surfaces, 67 (1992) 139-145.

  47. V.N. Paunov, P.A. Kralchevsky, N.D. Denkov, I.B. Ivanov and K. Nagayama, "Capillary Meniscus Interaction between a Microparticle and a Wall", Colloids Surfaces, 67 (1992) 119-138.

  48. P.A. Kralchevsky, "Capillary Interactions and Two-Dimensional Ordering of Colloidal Particles", in: "Proceeding of the Annual Conference of the Electrochemical Society of Japan", Tokyo, p. 7-9, 1992.

  49. N.D. Denkov, O.D. Velev, P.A. Kralchevsky, I.B. Ivanov, H. Yoshimura and K. Nagayama, "Mechanism of Formation of Two-Dimensional Crystals from Latex Particles on Substrates", Langmuir 8 (1992) 3183- 3190.

  50. O.D. Velev, N.D. Denkov, P.A. Kralchevsky, I.B. Ivanov, H. Yoshimura and K. Nagayama, “Mechanism of Formation of Two-Dimensional Crystals from Latex Particles on Substrata, Progress in Colloid & Polymer Science 93 (1993) 366-367.

  51. N.D. Denkov, O.D. Velev, P.A. Kralchevsky, I.B. Ivanov, K. Nagayama, H. Yoshimura, "Two-Dimensional Crystallisation”, Nature (London) 361(6407) (1993) 26-26.

  52. P.A. Kralchevsky, V.N. Paunov, N.D. Denkov, I.B. Ivanov and K. Nagayama, "Energetical and Force Approaches to the Capillary Interactions between Particles Attached to a Liquid-Fluid Interface", J. Colloid Interface Sci., 155 (1993) 420-437.

  53. V.N. Paunov, P.A. Kralchevsky, N.D. Denkov and K. Nagayama, "Lateral Capillary Forces Between Floating Submillimeter Particles", J. Colloid Interface Sci. 157 (1993) 100-112.

  54. P.A. Kralchevsky, A.S. Dimitrov and K. Nagayama, "Analytical Expressions for the Shape of Small Drops and Bubbles", J. Colloid Interface Sci. 160 (1993) 236-242.

  55. P. A. Kralchevsky, J. C. Eriksson, S. Ljunggren, "Theory of Curved Interfaces and Membranes: Mechanical and Thermodynamical Approaches", Adv. Colloid Interface Sci., 48 (1994) 19-59.

  56. S. Ljunggren, J. C. Eriksson, P. A. Kralchevsky, "Tracing the Connection between Different Expressions for the Laplace Pressure of a General Curved Interfaces", J. Colloid Interface Sci. 161 (1993) 133-137.

  57. T.D. Gurkov, P.A. Kralchevsky, I.B. Ivanov, "Surface Bending Moments and the Interfacial Composition in Emulsion Systems", Proc. First World Congress on Emulsions, Paris, 1993, 2-31, 132

  58. T. Horozov, K. D. Danov, P. A. Kralchevsky, I. B. Ivanov, R. P. Borwankar, "A Local Approach in Interfacial Rheology: Theory and Experiment." Proc. First World Congress on Emulsions, Paris, 1993; Vol. 2, paper 3-20-137.

  59. P.A. Kralchevsky and K. Nagayama, "Capillary Forces between Colloidal Particles", Langmuir 10 (1994) 23-36.

  60. O.D. Velev, N.D. Denkov, V.N. Paunov, P.A. Kralchevsky and K. Nagayama, "Direct Measurement of Lateral Capillary Forces", Langmuir 9 (1993) 3702-3709.

  61. P.A. Kralchevsky, V.N. Paunov, N.D. Denkov and K. Nagayama, "Capillary Image Forces: I. Theory", J. Colloid Interface Sci. 167 (1994) 47-65.

  62. O.D. Velev, N.D. Denkov, V.N. Paunov, P.A. Kralchevsky, K. Nagayama, "Capillary Image Forces: II. Experiment", J. Colloid Interface Sci. 167 (1994) 66-73.

  63. G.S. Lazarov, N.D. Denkov, O.D. Velev, P.A. Kralchevsky, K. Nagayama, "Formation of TwoDimensional Structures from Colloid Particles on Fluorinated Oil Substrate", J. Chem. Soc. Faraday Transactions 90 (1994) 2077-2083.

  64. P.A. Kralchevsky, V.N. Paunov, K. Nagayama, "Lateral Capillary Interaction between Particles Protruding from a Spherical Liquid Layer", J. Fluid Mech. 299 (1995) 105-132.

  65. P.A. Kralchevsky, K.D. Danov and I.B. Ivanov, “Thin Liquid Film Physics”, in: “Foams: Theory, Measurements and Applications”, R.K. Prud’homme & S.A. Khan, Eds.; Marcel Dekker, New York, 1995, p. 1- 97.

  66. D.N. Petsev, N.D. Denkov and P.A. Kralchevsky, “Flocculation of Deformable Emulsion Droplets: II. Interaction Energy”, J. Colloid Interface Sci. 176 (1995) 201-213.

  67. P.A. Kralchevsky, C.D. Dushkin, V.N. Paunov, N.D. Denkov and K. Nagayama, “Lateral Capillary Forces between Colloidal Particles Incorporated in Liquid Films or Lipid Bilayers”. Prog. Colloid Polymer Sci. 98 (1995) 12-17.

  68. N.D. Denkov and P.A. Kralchevsky, “Colloid Structural Forces in Thin Liquid Films”. Prog. Colloid Polymer Sci. 98 (1995) 18-22.

  69. P.A. Kralchevsky, V.N. Paunov, N.D. Denkov and K. Nagayama, “Stresses in Lipid Membranes and Interactions between Inclusions”. J. Chem. Soc. Faraday Trans. 91 (1995) 3415-3432.

  70. P.A. Kralchevsky and N.D. Denkov, "Analytical Expression for the Oscillatory Structural Surface Force." Chem. Phys. Letters 240 (1995) 385-392.

  71. A.D. Nikolov, D.T. Wasan, P.A. Kralchevsky and I.B. Ivanov, "Foam Film Stability: Role of Micellar Interaction on the Formation and Expansion of Spots in Stratifying Film. An Overview", in: "Fluid Physics, Lecture Notes of Summer Schools", M.G. Velarde and C.I. Christov, eds. World Scientific, London, 1995, pp. 209 - 228.

  72. C.D. Dushkin, P.A. Kralchevsky, H. Yoshimura and K. Nagayama. "Lateral Capillary Forces Measured by Torsion Microbalance". Phys. Rev. Lett. 75 (1995) 3454-3457.

  73. C.D. Dushkin, P.A. Kralchevsky, V.N. Paunov, H. Yoshimura and K. Nagayama. “Torsion Balance for Measurement of Capillary Immersion Forces”. Langmuir 12 (1996) 641-651.

  74. T.D. Gurkov, P.A. Kralchevsky and K. Nagayama, “Formation of Dimers in Lipid Monolayers”. Colloid Polymer Sci. 274 (1996) 227-238.

  75. P.A. Kralchevsky, T.D. Gurkov and K. Nagayama, “Electric Component of the Interfacial Bending Moment and Curvature Elastic Moduli”. J. Colloid Interface Sci. 180 (1996) 619-622.

  76. V.N. Paunov, R.I. Dimova, P.A. Kralchevsky, G. Broze and A. Mehreteab. "The Hydration Repulsion between Charged Surfaces as an Interplay of Volume Exclusion and Dielectric Saturation Effects". J. Colloid Interface Sci. 182 (1996) 239-248.

  77. P.A. Kralchevsky, "Comments on the Conditions for Stable Attachment of Fluid Particles to Solid Surfaces" Langmuir 12 (1996) 5951-5955

  78. K.D. Danov, P. Vlahovska, T. Horozov, C.D. Dushkin, P. A. Kralchevsky, A. Mehreteab and G. Broze. "Adsorption from Micellar Surfactant Solutions: Nonlinear Theory and Experiment", J. Colloid Interface Sci. 183 (1996) 223-235.

  79. N.D. Denkov, P.A. Kralchevsky and I.B. Ivanov. Lateral Capillary Forces and Two-Dimensional Arrays of Colloidal Particles and Protein Macromolecules", J. Disp. Sci. Technol., 18 (1997) 577- 591.

  80. T.S. Horozov, P.A. Kralchevsky, K.D. Danov, and I.B. Ivanov. "Interfacial Rheology and Kinetics of Adsorption from Surfactant Solutions", J. Disp. Sci. Technol., 18 (1997) 593-607.

  81. T.D. Gurkov and P.A. Kralchevsky. Mechanics and Thermodynamics of Interfaces, Thin Liquid Films and Membranes", J. Disp. Sci. Technol., 18 (1997) 609-623.

  82. D.N. Petsev, N.D. Denkov, P.A. Kralchevsky. "DLVO and Non-DLVO Surface Forces", J. Disp. Sci. Technol., 18 (1997) 647-659.

  83. P.A. Kralchevsky, "Lateral Forces Acting between Particles in Liquid Films or Lipid Membranes", Advances in Biophysics, 34 (1997) 25-39.

  84. I.B. Ivanov and P.A. Kralchevsky, "Stability of Emulsions under Equilibrium and Dynamic Conditions", Colloids Surfaces A, 128 (1997) 155-175.

  85. E.S. Basheva, K.D. Danov and P.A. Kralchevsky, "Experimental Study of Particle Structuring in Vertical Stratifying Films from Latex Suspensions", Langmuir 13 (1997) 4342-4348.

  86. P.A. Kralchevsky, N.D. Denkov, K.D. Danov and D.N. Petsev, "Effect of Droplet Deformability and Surface Forces on Flocculation", In: Proceedings of the 2nd World Congress on Emulsions (Paper 2-2-150), Bordeaux, September 1997.

  87. K.G. Marinova, T.D. Gurkov, G.B. Bantchev and P.A. Kralchevsky, "Role of the Oscillatory Structural Forces for the Stability of Emulsions", In: Proceedings of the 2nd World Congress on Emulsions (Paper 2- 3-151), Bordeaux, September 1997.

  88. K.D. Danov, I.B. Ivanov and P.A. Kralchevsky, "Interfacial Rheology and Emulsion Stability", In: Proceedings of the 2nd World Congress on Emulsions (Paper 2-2-152), Bordeaux, September 1997.

  89. K.D. Danov, P.M. Vlahovska and P.A. Kralchevsky, "Effect of Micelles and Electrolyte on the Adsorption Kinetics", In: Proceedings of the 2nd World Congress on Emulsions (Paper 2-2-153), Bordeaux, September 1997.

  90. P.A. Kralchevsky, K.D. Danov and N.D. Denkov. "Chemical Physics of Colloid Systems and Interfaces", Chapter 11 in "Handbook of Surface and Colloid Chemistry", (First Edition; K. S. Birdi, Ed.). CRC Press, New York, 1997; pp. 333-490.

  91. S. Ljunggren, J.C. Eriksson and P.A. Kralchevsky, "Minimization of the Free Energy of Arbitrarily Curved Interfaces", J. Colloid Interface Sci. 191 (1997) 424-441.

  92. R.G. Alargova, K.D. Danov, J.T. Petkov, P. Kralchevsky, G. Broze and A. Mehreteab, "Sphere-to-Rod Transition in the Shape of Anionic Surfactant Micelles Determined by Surface Tension Measurements", Langmuir 13 (1997) 5544-5551.

  93. I.B. Ivanov, A. Hadjiiski, N.D. Denkov, T.D. Gurkov, P.A. Kralchevsky and S. Koyasu, "Energy of Adhesion of Human T Cells to Adsorption Layers of Monoclonal Antibodies Measured by Film Trapping Technique" Biophys. J. 75 (1998) 545-556.

  94. J.K. Angarska, K.D. Tachev, P.A. Kralchevsky, A. Mehreteab and G. Broze, "Effects of Counterions and Co-Ions on the Drainage and Stability of Liquid Films and Foams", J. Colloid Interface Sci. 200 (1998) 31- 45.

  95. R.G. Alargova, K.D. Danov, P.A. Kralchevsky, G. Broze and A. Mehreteab, “Growth of Giant Rodlike Micelles of Ionic Surfactant in the Presence of Al3+ Counterions", Langmuir 14 (1998) 4036-4049.

  96. R.G. Alargova, V.P. Ivanova, P.A. Kralchevsky, A. Mehreteab and G. Broze, "Growth of Rod-Like Micelles in Anionic Surfactant Solutions in the Presence of Ca2+ Counterions", Colloids and Surfaces A 142 (1998) 201-218.

  97. R.G. Alargova, I.Y. Vakarelsky, V.N. Paunov, S.D. Stoyanov, P.A. Kralchevsky, A. Mehreteab and G. Broze, "Properties of Amphoteric Surfactants Studied by ?-potential Measurements with Latex Particles", Langmuir 14 (1998) 1996-2003.

  98. K.D. Danov, P.A. Kralchevsky and I.B. Ivanov, "Equilibrium and Dynamics of Surfactant Adsorption Monolayers and Thin Liquid Films", in: Handbook of Detergents, Part A: Properties, G. Broze, Ed., Chapter 9. M. Dekker, New York, 1999; pp. 303-418.

  99. I.B. Ivanov, K.D. Danov and P.A. Kralchevsky, "Flocculation and Coalescence of Micron-size Emulsion Droplets", Colloids and Surfaces A 152 (1999) 161-182.

  100. I.B. Ivanov and P.A. Kralchevsky, "Flocculation and Coalescence of Micron-size Emulsion Droplets", In: Proceedings of the 2nd World Congress on Emulsions, Volume 4, pp. 145-152; Bordeaux, September 1997.

  101. K. Nagayama, P. Kralchevsky, "Two-Dimensional Forces Universally Working between Particles at an Interface", Journal of the Physical Society of Japan (Nihon Butsuri Gakkaishi) 54 (1999) 519-527 (in Japanese).

  102. P.A. Kralchevsky, K.D. Danov, G. Broze and A. Mehreteab, "Thermodynamics of Ionic Surfactant Adsorption with Account for the Counterion Binding: Effect of Salts of Various Valency", Langmuir 15 (1999) 2351-2365.

  103. K.D. Danov, P.M. Vlahovska, P.A. Kralchevsky, G. Broze and A. Mehreteab, "Adsorption Kinetics of Ionic Surfactants with Detailed Account for the Electrostatic Interactions: Effect of the Added Electrolyte", Colloids & Surfaces A 156 (1999) 389-411.

  104. P.A. Kralchevsky and K. Nagayama, "Capillary Interactions between Particles Bound to Interfaces, Liquid Films and Biomembranes”, Adv. Colloid Interface Sci. 85 (2000) 145-192.

  105. N.K. Dimov, E.H. Ahmed, R.G. Alargova, P.A. Kralchevsky, P. Durbut, G. Broze, and A. Mehreteab, "Deposition of Oil Drops on a Glass Substrate in Relation to the Process of Washing", J. Colloid Interface Sci. 224 (2000) 116-125.

  106. K.D. Danov, V.L. Kolev, P.A. Kralchevsky, G. Broze and A. Mehreteab. "Adsorption Kinetics of Ionic Surfactants after a Large Initial Perturbation. Effect of Surface Elasticity" Langmuir 16 (2000) 2942-2956.

  107. K.D. Tachev, J.K. Angarska, K.D. Danov, and P.A. Kralchevsky "Erythrocyte Attachment to Substrates: Determination of Membrane Tension and Adhesion Energy", Colloids and Surfaces B: Biointerfaces 19 (2000) 61-80.

  108. D.S. Valkovska, P.A. Kralchevsky, K.D. Danov, G. Broze, and A. Mehreteab, "The Effect of Oil Solubility on the Oil Drop Entry at Water-Air Interface", Langmuir 16 (2000) 8892-8902.

  109. K.D. Danov, P.A. Kralchevsky, and I.B. Ivanov, "Dynamic Processes in Surfactant Stabilized Emulsions", Chapter 26 in: Encyclopedic Handbook of Emulsion Technology, J. Sjöblom, Ed., Marcel Dekker, New York, 2001; pp. 621-659.

  110. K.D. Danov, B. Pouligny, M.I. Angelova, and P.A. Kralchevsky, "Strong Capillary Attraction between Spherical Inclusions in a Multilayered Lipid Membrane", in: "Studies in Surface Science and Catalysis", Vol. 132, Elsevier, Amsterdam, 2001; pp. 519-524.

  111. P.A. Kralchevsky, K. Nagayama, "Particles at Fluid Interfaces and Membranes", Elsevier, Amsterdam, 2001 (book: 14 chapters, 654 pages).

  112. P.A. Kralchevsky and N.D. Denkov, "Capillary Forces and Structuring in Layers of Colloid Particles", Current Opinion in Colloid & Interface Sci. 6(4) (2001) 383-401.

  113. K.D. Danov, B. Pouligny and P.A. Kralchevsky, "Capillary Forces between Colloidal Particles Confined in a Liquid Film: The Finite-Meniscus Problem", Langmuir 17 (2001) 6599–6609.

  114. P.A. Kralchevsky, N.D. Denkov, and K.D. Danov, "Particles with an Undulated Contact Line at a Fluid Interface: Interaction between Capillary Quadrupoles and Rheology of Particulate Monolayers", Langmuir 17 (2001) 7694–7705.

  115. P. Kralchevski, Particles at Fluid Interfaces and Membranes, Elsevier, Amsterdam, 2001

  116. P. Todorov, P. Kralchevsky, N. Denkov, G. Broze, A. Mehreteab, Kinetics of Solubilization of n-Decane and Benzene by Micellar Solutions of Sodium Dodecyl Sulfate, J. Colloid Interface Sci. 245 (2002) 371-382

  117. N. Dimov, V. Kolev, P. Kralchevsky, L. Lyutov, G. Broze, A. Mehreteab, Adsorption of Ionic Surfactants on Solid Particles Determined by Zeta-Potential Measurements: Competitive Binding of Counterions, J. Colloid Interface Sci. 256 (2002) 23-32

  118. K. Danov, D. Valkovska, P. Kralchevsky, Adsorption Relaxation for Nonionic Surfactants under Mixed Barrier-Diffusion and Micellization-Diffusion Control, J. Colloid Interface Sci. 251 (2002) 18-25

  119. N. Christov, D. Ganchev, N. Vassileva, N. Denkov, K. Danov, P. Kralchevsky, Capillary Mechanisms in Membrane Emulsification: Oil-in-Water Emulsions Stabilized by Tween 20 and Milk Proteins, Colloids and Surfaces A 209 (2002) 83-104

  120. P. Kralchevsky, K. Danov, N. Denkov, Chemical Physics of Colloid Systems and Interfaces, Chapter 5 in Handbook of Surface and Colloid Chemistry, (Second Expanded and Updated Edition; K. S. Birdi, Ed.). CRC Press, New York, 2002; pp. 137-344

  121. N. Christov, N. Denkov, P. Kralchevsky, G. Broze, A. Mehreteab, Kinetics of Triglyceride Solubilization by Micellar Solutions of Nonionic Surfactant and Triblock Copolymer: 1. The Empty and Swollen Micelles, Langmuir 18 (2002) 7880-7886

  122. P. Kralchevsky, N. Denkov, P. Todorov, G. Marinov, G. Broze, A. Mehreteab, Kinetics of Triglyceride Solubilization by Micellar Solutions of Nonionic Surfactant and Triblock Copolymer: 2. Theoretical Model, Langmuir 18 (2002) 7887-7895

  123. P.D. Todorov, G.S. Marinov, P.A. Kralchevsky, N.D. Denkov, P. Durbut, G. Broze, and A. Mehreteab, “Kinetics of Triglyceride Solubilization by Micellar Solutions of Nonionic Surfactant and Triblock Copolymer: 3. Experiments with Single Drops”, Langmuir 18 (2002) 7896-7905.

  124. V.L. Kolev, K.D. Danov, P.A. Kralchevsky, G. Broze and A. Mehreteab, “Comparison of the van der Waals and Frumkin Adsorption Isotherms for Sodium Dodecyl Sulfate at Various Salt Concentrations”, Langmuir 18 (2002) 9106-9109.

  125. V.L. Kolev, I.I. Kochijashky, K.D. Danov, P.A. Kralchevsky, G. Broze and A. Mehreteab, “Spontaneous Detachment of Oil Drops from Solid Substrates: Governing Factors”, J. Colloid Interface Sci. 257 (2003) 357–363.

  126. P.A. Kralchevsky, K.D. Danov, V.L. Kolev, G. Broze and A. Mehreteab, “Effect of Nonionic Admixtures on the Adsorption of Ionic Surfactants at Fluid Interfaces. Part 1. Sodium Dodecyl Sulfate and Dodecanol,” Langmuir 19 (2003) 5004-5018.

  127. K.D. Danov, S.D. Kralchevska, P.A. Kralchevsky, G. Broze and A. Mehreteab, “Effect of Nonionic Admixtures on the Adsorption of Ionic Surfactants at Fluid Interfaces. Part 2. Sodium Dodecylbenzene Sulfonate and Dodecylbenzene,” Langmuir 19 (2003) 5019-5030.

  128. K.D. Danov, D.S. Valkovska, P.A. Kralchevsky, “Hydrodynamic Instability and Coalescence in Trains of Emulsion Drops or Gas Bubbles Moving through a Narrow Capillary”, J. Colloid Interface Sci. 267 (2003) 243-258.

  129. N.C. Christov, N.D. Denkov, P.A. Kralchevsky, K.P. Ananthapadmanabhan, A. Lips, “Synergistic Sphere-to-Rod Micelle Transition in Mixed Solutions of Sodium Dodecyl Sulfate and Cocoamidopropyl Betaine”, Langmuir 20 (2004) 565-571.

  130. K.D. Tachev, K.D. Danov, P.A. Kralchevsky, “On the Mechanism of Stomatocyte-Echinocyte Transformations of Red Blood Cells: Experiment and Theoretical Model”, Colloids Surf. B: Biointerfaces 34 (2004) 123-140.

  131. J.K. Angarska, B.S. Dimitrova, K.D. Danov, P.A. Kralchevsky, K.P. Ananthapadmanabhan, A. Lips, “Detection of the Hydrophobic Surface Force in Foam Films by Measurements of the Critical Thickness of Film Rupture”, Langmuir 20 (2004) 1799-1806.

  132. K.D. Danov, S.D. Kralchevska, P.A. Kralchevsky, K.P. Ananthapadmanabhan, A. Lips, “Mixed Solutions of Anionic and Zwitterionic Surfactant (Betaine): Surface Tension Isotherms, Adsorption and Relaxation Kinetics”, Langmuir 20 (2004) 5445-5453.

  133. K.D. Danov, P.A. Kralchevsky, M.P. Boneva, “Electrodipping Force Acting on Solid Particles at a Fluid Interface”, Langmuir 20 (2004) 6139-6151.

  134. P.A. Kralchevsky, I.B. Ivanov, K.P. Ananthapadmanabhan, A. Lips, “On the Thermodynamics of Particle-Stabilized Emulsions: Curvature Effects and Catastrophic Phase Inversion”, Langmuir 21 (2005) 50-63.

  135. P.A. Kralchevsky, K.D. Danov, V.L. Kolev, T.D. Gurkov, M.I. Temelska, and G. Brenn, “Detachment of Oil Drops from Solid Surfaces in Surfactant Solutions: Molecular Mechanisms at a Moving Contact Line”, Industrial & Engineering Chemistry Research 44 (2005) 1309-1321.

  136. P.A. Kralchevsky, N.D. Denkov, “Triblock Copolymers as Promoters of Solubilization of Oils in Aqueous Surfactant Solutions”, Chapter 15 in “Molecular Interfacial Phenomena of Polymers and Biopolymers” (Pu Chen, Ed.), Woodhead Publishing, Cambridge, UK, 2005; pp. 538-579.

  137. K.D. Danov, P.A. Kralchevsky, B.N. Naydenov, and G. Brenn, “Interactions between Particles with an Undulated Contact Line at a Fluid Interface: Capillary Multipoles of Arbitrary Order”, J. Colloid Interface Sci. 287 (2005) 121-134.

  138. K.D. Danov, P.A. Kralchevsky, N.D. Denkov, K.P. Ananthapadmanabhan, and A. Lips, “Mass Transport in Micellar Surfactant Solutions: 1. Relaxation of Micelle Concentration, Aggregation Number and Polydispersity”, Adv. Colloid Interface Sci. 119 (2006) 1-16.

  139. K. Danov, P. Kralchevsky, N. Denkov, K. Ananthapadmanabhan, A. Lips, Mass Transport in Micellar Surfactant Solutions: 2. Theoretical Modeling of Adsorption at a Quiescent Interface, Adv. Colloid Interface Sci. 119 (2006) 17-33

  140. K. Danov, P. Kralchevsky, K. Ananthapadmanabhan, A. Lips, Micellar Surfactant Solutions: Dynamics of Adsorption at Fluid Interfaces Subjected to Stationary Expansion, Colloids & Surfaces A, 282-283 (2006) 143-161

  141. K. Danov, P. Kralchevsky, K. Ananthapadmanabhan, A. Lips, Particle–Interface Interaction across a Nonpolar Medium in Relation to the Production of Particle-Stabilized Emulsions, Langmuir 22 (2006) 106-115

  142. K. Danov, P. Kralchevsky, Reply to Comment on Electrodipping Force Acting on Solid Particles at a Fluid Interface, Langmuir 22 (2006) 848-849

  143. K. Danov, P. Kralchevsky, Electric Forces Induced by a Charged Colloid Particle Attached to the Water–Nonpolar Fluid Interface, J. Colloid Interface Sci. 298 (2006) 213-231

  144. K. Danov, P. Kralchevsky, M. Boneva, Shape of the Capillary Meniscus around an Electrically Charged Particle at a Fluid Interface: Comparison of Theory and Experiment, Langmuir 22 (2006) 2653-2667

  145. K. Golemanov, S. Tcholakova, P. Kralchevsky, K. Ananthapadmanabhan, A. Lips, LatexParticle-Stabilized Emulsions of Anti-Bancroft Type, Langmuir 22 (2006) 4968-4977

  146. K. Danov, P. Kralchevsky, K. Ananthapadmanabhan, A. Lips, Interpretation of SurfaceTension Isotherms of n-Alkanoic (Fatty) Acids by Means of the van der Waals Model, J. Colloid Interface Sci. 300 (2006) 809-813

  147. P. Kralchevsky, N. Denkov, Ivan B. Ivanov: Remarkable Figure in Colloid Science, Colloids & Surfaces A, 282-283 (2006) 1-7

  148. K. Danov, P. Kralchevsky, N. Denkov, K. Ananthapadmanabhan, A. Lips, Dynamics of Adsorption from Micellar Surfactant Solutions at Expanding Fluid Interfaces in Relation to the Emulsification Process, Proceedings of the World Congress on Emulsions (CME 2006), 2006

  149. K. Danov, P. Kralchevsky, N. Christov, D. Danova, Mechanism of Drop Detachment from Micro-Pores with Application to Membrane Emulsification, Proceedings of the World Congress on Emulsions (CME 2006), 2006

  150. N. Christov, K. Danov, P. Kralchevsky, K. Ananthapadmanabhan, A. Lips, The Maximum Bubble Pressure Method: Universal Surface Age and Transport Mechanisms in Surfactant Solutions, Langmuir 22 (2006) 7528-7542

  151. K. Danov, P. Kralchevsky, K. Ananthapadmanabhan, A. Lips, Influence of Electrolytes on the Dynamic Surface Tension of Ionic Surfactant Solutions: Expanding and Immobile Interfaces, J. Colloid Interface Sci. 303 (2006) 56-68

  152. P. Kralchevsky, K. Danov, C. Pishmanova, S. Kralchevska, N. Christov, K. Ananthapadmanabhan, A. Lips, Effect of the Precipitation of Neutral-Soap, Acid-Soap and AlkanoicAcid Crystallites on the Bulk pH & Surface Tension of Soap Solutions, Langmuir 23 (2007) 3538-3553

  153. E. Basheva, P. Kralchevsky, K. Danov, K. Ananthapadmanabhan, A. Lips, The Colloid Structural Forces as a Tool for Particle Characterization and Control of Dispersion Stability, Physical Chemistry Chemical Physics 9 (2007) 5183-5198

  154. M. Boneva, N. Christov, K. Danov, P. Kralchevsky, Effect of Electric-Field-Induced Capillary Attraction on the Motion of Particles at an Oil–Water Interface, Physical Chemistry Chemical Physics 9 (2007) 6371-6384

  155. K. Danov, D. Danova, P. Kralchevsky, Hydrodynamic Forces Acting on a Microscopic Emulsion Drop Growing at a Capillary Tip in Relation to the Process of Membrane Emulsification, J. Colloid Interface Sci. 316 (2007) 844-857

  156. N. Christov, K. Danov, D. Danova, P. Kralchevsky, The Drop Size in Membrane Emulsification Determined from the Balance of Capillary and Hydrodynamic Forces, Langmuir 24 (2008) 1397-1410

  157. P. Kralchevsky, K. Danov, J. Angarska, Reply to Comment on Hydrophobic Forces in the Foam Films Stabilized by Sodium Dodecyl Sulfate: Effect of Electrolyte and Subsequent Criticism, Langmuir 24 (2008) 2953

  158. P. Kralchevsky, M. Boneva, K. Danov, K. Ananthapadmanabhan, A. Lips, Method for Analysis of the Composition of Acid Soaps by Electrolytic Conductivity Measurements, J. Colloid Interface Sci. 327 (2008) 169-179

  159. P. Kralchevsky, K. Danov and N. Denkov, Chemical Physics of Colloid Systems and Interfaces, Chapter 7 in Handbook of Surface and Colloid Chemistry, (Third Expanded and Updated Edition; K.S. Birdi, Ed.). CRC Press, Boca Raton, 2008

  160. M. Boneva, K. Danov, N. Christov, P. Kralchevsky, Attraction between Particles at a Liquid Interface Due to the Interplay of Gravity- and Electric-Field-Induced Interfacial Deformations, Langmuir 25(16) (2009) 9129-9139

  161. K. Danov, P. Kralchevsky, S. Stoyanov, Elastic Langmuir Layers and Membranes Subjected to Unidirectional Compression: Wrinkling and Collapse, Langmuir 26(1) (2010) 143-155

  162. M. Boneva, K. Danov, P. Kralchevsky, S. Kralchevska, K. Ananthapadmanabhan, A. Lips, Coexistence of Micelles and Crystallites in Solutions of Potassium Myristate: Soft Matter vs. Solid Matter, Colloids Surf. A 354 (2010) 172-187

  163. N. Christov, K. Danov, Y. Zeng, P. Kralchevsky, R. von Klitzing, Oscillatory Structural Forces Due to Nonionic Surfactant Micelles: Data by Colloidal–Probe AFM vs. Theory, Langmuir 26 (2010) 915-923

  164. K. Danov, P. Kralchevsky, Capillary Forces between Particles at a Liquid Interface: General Theoretical Approach and Interactions between Capillary Multipoles, Adv. Colloid Interface Sci. 154 (2010) 91-103

  165. K. Danov, P. Kralchevsky, Interaction between Like-Charged Particles at a Liquid Interface: Electrostatic Repulsion vs. Electrocapillary Attraction, J. Colloid Interface Sci. 345 (2010) 505-514

  166. P. Kralchevsky, K. Danov, Interactions between Particles at a Fluid Interface, In: Nanoscience: Colloidal and Interfacial Aspects, V. M. Starov, Ed.; Taylor & Francis, New York, 2010; Chapter 15, pp. 397-435

  167. E. Basheva, P. Kralchevsky, N. Christov, K. Danov, S. Stoyanov, T. Blijdenstein, H. Kim, E. Pelan, A. Lips, Unique Properties of Bubbles and Foam Films Stabilized by HFBII Hydrophobin, Langmuir 27 (2011) 2382-2392

  168. E. Basheva, P. Kralchevsky, K. Danov, S. Stoyanov, T. Blijdenstein, E. Pelan, A. Lips, Self-Assembled Bilayers from HFBII Hydrophobin: Nature of the Adhesion Energy, Langmuir 27 (2011) 4481-4488

  169. N. Denkov, P. Kralchevsky, Collection of Papers from the 8th EUFOAM Conference and the Meetings of COST Actions D43 and P21, Borovets, Bulgaria, 13-16 July 2010, Colloids Surf. A, 382 (2011) 1-2

  170. K. Danov, E. Basheva, P. Kralchevsky, K. Ananthapadmanabhan, A. Lips, The Metastable States of Foam Films Containing Electrically Charged Micelles or Particles: Experiment and Quantitative Interpretation, Adv. Colloid Interface Sci. 168 (2011) 50-70

  171. P. Kralchevsky, K. Danov, E. Basheva, Hydration Force Due to the Reduced Screening of the Electrostatic Repulsion in Few-Nanometer-Thick Films, Current Opinion in Colloid & Interface Sci. 16 (2011) 517-524

  172. K. Danov, P. Kralchevsky, The Standard Free Energy of Surfactant Adsorption at Air/Water and Oil/Water Interfaces: Theoretical vs. Empirical Approaches, Colloid Journal 74 (2) (2012) 172-185

  173. S. Tzocheva, P. Kralchevsky, K. Danov, G. Georgieva, A. Post, K. Ananthapadmanabhan, Solubility Limits and Phase Diagrams for Fatty Acids in Anionic (SLES) and Zwitterionic (CAPB) Micellar Surfactant Solutions, J. Colloid Interface Sci. 369 (2012) 274-286

  174. N. Alexandrov, K. Marinova, T. Gurkov, K. Danov, P. Kralchevsky, S. Stoyanov, T. Blijdenstein, L. Arnaudov, E. Pelan, A. Lips, Interfacial Layers from the Protein HFBII Hydrophobin: Dynamic Surface Tension, Dilatational Elasticity and Relaxation Times, J. Colloid Interface Sci. 376 (2012) 296-306; DOI: 10.1016/j.jcis.2012.03.031

  175. G. Radulova, K. Golemanov, K. Danov, P. Kralchevsky, S. Stoyanov, L. Arnaudov, T. Blijdenstein, E. Pelan, A. Lips, Surface Shear Rheology of Adsorption Layers from the Protein HFBII Hydrophobin: Effect of Added ß-Casein, Langmuir 28 (2012) 4168-4177

  176. K. Danov, G. Radulova, P. Kralchevsky, K. Golemanov, S. Stoyanov, Surface Shear Rheology of Hydrophobin Adsorption Layers: Laws of Viscoelastic Behaviour with Applications to Long-Term Foam Stability, Faraday Discussions 158 (2012) 195-221

  177. S. Anachkov, K. Danov, E. Basheva, P. Kralchevsky, K. Ananthapadmanabhan, Determination of the Aggregation Number and Charge of Ionic Surfactant Micelles from the Stepwise Thinning of Foam Films, Adv. Colloid Interface Sci. 183-184 (2012) 55-67

  178. K. Marinova, R. Stanimirova, M. Georgiev, N. Alexandrov, E. Basheva, P. Kralchevsky, CoAdsorption of the Proteins ß-Casein and BSA in Relation to the Stability of Thin Liquid Films and Foams, In Colloid and Interface Chemistry for Nanotechnology (P. Kralchevsky, R. Miller, F. Ravera, Eds.). Taylor & Francis, New York, 2013; pp. 439-458

  179. K. Danov, P. Kralchevsky, K. Ananthapadmanabhan, Micelle–Monomer Equilibria in Solutions of Ionic Surfactants and in Ionic–Nonionic Mixtures: A Generalized Phase Separation Model, Adv. Colloid Interface Sci. 206 (2014) 17-45

  180. R. Stanimirova, T. Gurkov, P. Kralchevsky, K. Balashev, S. Stoyanov, E. Pelan, Surface Pressure and Elasticity of Hydrophobin HFBII Layers on the Air-Water Interface: Rheology vs. Structure Detected by AFM Imaging, Langmuir 29 (2013) 6053-6067

  181. K. Danov, P. Kralchevsky, Forces Acting on Dielectric Colloidal Spheres at a Water / NonpolarFluid Interface in an External Electric Field. 1. Uncharged Particles, J. Colloid Interface Sci. 405 (2013) 278-290

  182. K. Danov, P. Kralchevsky, Forces Acting on Dielectric Colloidal Spheres at a Water / NonpolarFluid Interface in an External Electric Field. 2. Charged Particles, J. Colloid Interface Sci. 405 (2013) 269-277

  183. P. Kralchevsky, K. Danov, S. Anachkov, G. Georgieva, K. Ananthapadmanabhan, Extension of the Ladder Model of Self-assembly from Cylindrical to Disclike Surfactant Micelles, Curr. Opin. Colloid Interface Sci. 18 (2013) 524-531

  184. S. Anachkov, P. Kralchevsky, K. Danov, G. Georgieva, K. Ananthapadmanabhan, Disclike vs. Cylindrical Micelles: Generalized Model of Micelle Growth and Data Interpretation, J. Colloid Interface Sci. 416 (2014) 258-273

  185. P. Kralchevsky, K. Danov, S. Anachkov, Micellar Solutions of Ionic Surfactants and Their Mixtures with Nonionic Surfactants: Theoretical Modeling vs. Experiment, Colloid Journal 76 (2014) 255-270. DOI: 10.7868/S0023291214030069

  186. P. Petkov, K. Danov, P. Kralchevsky, Surface Pressure Isotherm for a Monolayer of Charged Colloidal Particles at a Water/Nonpolar-Fluid Interface: Experiment and Theoretical Model, Langmuir 30 (2014) 2768-2778. DOI: 10.1021/la500126d

  187. R. Stanimirova, K. Marinova, K. Danov, P. Kralchevsky, E. Basheva, S. Stoyanov, E. Pelan, Competitive Adsorption of the Protein Hydrophobin and an Ionic Surfactant: Parallel vs Sequential Adsorption and Dilatational Rheology, Colloids Surf. A 457 (2014) 307-317. DOI: 10.1016/j.colsurfa.2014.06.002

  188. G. Radulova, K. Danov, P. Kralchevsky, J. Petkov, S. Stoyanov, Shear Rheology of Hydrophobin Adsorption Layers at Oil/Water Interfaces and Data Interpretation in Terms of a Viscoelastic Thixotropic Model, Soft Matter 10(31) (2014) 5777-5786; DOI: 10.1039/C4SM00901K

  189. K. Danov, R. Stanimirova, P. Kralchevsky, K. Marinova, N. Alexandrov, S. Stoyanov, T. Blijdenstein, E. Pelan, Capillary Meniscus Dynamometry – Method for Determining the Surface Tension of Drops and Bubbles with Isotropic and Anisotropic Surface Stress Distributions, J. Colloid Interface Sci. 440 (2015) 168-178. DOI: 10.1016/j.jcis.2014.10.067

  190. T. Zemb, P. Kralchevsky, Depletion Forces in Single Phase and Multi-phase Complex Fluids, Curr. Opin. Colloid Interface Sci. 20 (2015) 1-2. DOI: 10.1016/j.cocis.2015.02.001

  191. P. Kralchevsky, K. Danov, S. Anachkov, Depletion Forces in Thin Liquid Films Due to Nonionic and Ionic Surfactant Micelles, Curr. Opin. Colloid Interface Sci. 20 (2015) 11-18. DOI: 10.1016/j.cocis.2014.11.010

  192. K. Danov, P. Kralchevsky, G. Radulova, E. Basheva, S. Stoyanov, E. Pelan, Shear Rheology of Mixed Protein Adsorption Layers vs Their Structure Studied by Surface Force Measurements, Adv. Colloid Interface Sci. 222 (2015) 148-161; DOI: 10.1016/j.cis.2014.04.009

  193. S. Tzocheva, K. Danov, P. Kralchevsky, G. Georgieva, A. Post, K. Ananthapadmanabhan, Solubility Limits and Phase Diagrams for Fatty Alcohols in Anionic (SLES) and Zwitterionic (CAPB) Micellar Surfactant Solutions, J. Colloid Interface Sci. 449 (2015) 46-61. DOI: 10.1016/j.jcis.2014.09.042

  194. P. Kralchevsky, K. Danov, Chemical Physics of Colloid Systems and Interfaces, Chapter 4 in Handbook of Surface and Colloid Chemistry, Fourth Updated Edition; K. S. Birdi, Ed.; CRC Press, Boca Raton, 2015; pp. 247-412. http://dx.doi.org/10.1201/b18633-5

  195. K. Danov, R. Stanimirova, P. Kralchevsky, E. Basheva, V. Ivanova, J. Petkov, Sulfonated methyl esters of fatty acids in aqueous solutions: Interfacial and micellar properties, J. Colloid Interface Sci. 457 (2015) 307-318. DOI: 10.1016/j.jcis.2015.07.020

  196. K. Danov, R. Stanimirova, P. Kralchevsky, K. Marinova, S. Stoyanov, T. Blijdenstein, A. Cox, E. Pelan, Adhesion of Bubbles and Drops to Solid Surfaces, and Anisotropic Surface Tensions Studied by Capillary Meniscus Dynamometry, Adv. Colloid Interface Sci. 233 (2016) 223-239. DOI: 10.1016/j.cis.2015.06.003

  197. P. Petkov, K. Danov, P. Kralchevsky, Monolayers from Charged Particles in a Langmuir Trough: Could Particle Aggregation Increase the Surface Pressure, J. Colloid Interface Sci. 462 (2016) 223-234. DOI: 10.1016/j.jcis.2015.09.075

  198. P. Kralchevsky, K. Danov, P. Petkov, Soft Electrostatic Repulsion in Particle Monolayers at Liquid Interfaces: Surface Pressure and Effect of Aggregation, Phil. Trans. R. Soc. A 374 (2016) Article Number: 20150130; DOI:10.1098/rsta.2015.0130

  199. K. Danov, E. Basheva, P. Kralchevsky, Effect of Ionic Correlations on the Surface Forces in Thin Liquid Films: Influence of Multivalent Coions and Extended Theory, Materials 9 (2016) 145; DOI:10.3390/ma9030145

  200. S. Anachkov, I. Lesov, M. Zanini, P. Kralchevsky, N. Denkov, L. Isa, Particle Detachment from Fluid Interfaces: Theory vs. Experiments, Soft Matter 12 (2016) 7632–7643; DOI: 10.1039/C6SM01716A

  201. P. Kralchevsky, K. Danov, S. Anachkov, G. Georgieva, Self-Assembly of Molecules and Colloid Particles in the Design of Advanced Materials and Products, Proceedings of UNITECH 2016, Univ. Publ. House V. Aprilov, Gabrovo, 2016; p. 37-46; ISSN 1313-230X

  202. G. Georgieva, S. Anachkov, I. Lieberwirth, K. Koynov, P. Kralchevsky, Synergistic Growth of Giant Wormlike Micelles in Ternary Mixed Surfactant Solutions: Effect of Octanoic Acid, Langmuir 32 (2016) 12885-12893; DOI: 10.1021/acs.langmuir.6b03955

  203. L. Dimitrova, M. Boneva, K. Danov, P. Kralchevsky, E. Basheva, K. Marinova, J. Petkov, S. Stoyanov, Limited Coalescence and Ostwald Ripening in Emulsions Stabilized by Hydrophobin HFBII and Milk Proteins, Colloids Surf. A, 509 (2016) 521–538. DOI: 10.1016/j.colsurfa.2016.09.066

  204. V. Ivanova, R. Stanimirova, K. Danov, P. Kralchevsky, J. Petkov, Sulfonated Methyl Esters, Linear Alkylbenzene Sulfonates and Their Mixed Solutions: Micellization and Effect of Ca2+ Ions, Colloids Surf. A, 519 (2017) 87-97; DOI: 10.1016/j.colsurfa.2016.06.039

  205. L. Dimitrova, P. Petkov, P. Kralchevsky, S. Stoyanov, E. Pelan, Production and Characterization of Stable Foams with Fine Bubbles from Solutions of Hydrophobin HFBII and Its Mixtures with Other Proteins, Colloids Surf. A, 521 (2017) 92-104; DOI: 10.1016/j.colsurfa.2016.06.018

  206. K. Danov, M. Georgiev, P. Kralchevsky, G. Radulova, T. Gurkov, S. Stoyanov, E. Pelan, Hardening of Particle/Oil/Water Suspensions Due to Capillary Bridges: Experimental Yield Stress and Theoretical Interpretation, Adv. Colloid Interface Sci. 251 (2018) 80–96. doi: 10.1016/j.cis.2017.11.004

  207. M. Georgiev, K. Danov, P. Kralchevsky, T. Gurkov, D. Krusteva, L. Arnaudov, S. Stoyanov, E. Pelan, Rheology of Particle/Water/Oil Three-Phase Dispersions: Electrostatic vs. Capillary Bridge Forces, J. Colloid Interface Sci. 513 (2018) 515–526; doi: 10.1016/j.jcis.2017.11.057

  208. S. Anachkov, G. Georgieva, L. Abezgauz, D. Danino, P. Kralchevsky, Viscosity Peak due to Shape Transition from Wormlike to Disklike Micelles: Effect of Dodecanoic Acid, Langmuir 34 (2018) 4897–4907; doi: 10.1021/acs.langmuir.8b00421

  209. K. Danov, P. Kralchevsky, S. Stoyanov, J. Cook, I. Stott, E. Pelan, Growth of Wormlike Micelles in Nonionic Surfactant Solutions: Quantitative Theory vs. Experiment, Adv. Colloid Interface Sci. 256 (2018) 1-22; doi: 10.1016/j.cis.2018.05.006

  210. G. Radulova, T. Slavova, P. Kralchevsky, E. Basheva, K. Marinova, K. Danov, Encapsulation of Oils and Fragrances by Core-in-Shell Structures from Silica Particles, Polymers and Surfactants: The Brick-and-Mortar Concept, Colloids Surf. A 559 (2018) 351–364; doi: 10.1016/j.colsurfa.2018.09.079

  211. E. Basheva, K. Danov, G. Radulova, P. Kralchevsky, H. Xu, Y. Ung, J. Petkov, Properties of the Micelles of Sulfonated Methyl Esters Determined from the Stepwise Thinning of Foam Films and by Rheological Measurements, J. Colloid Interface Sci. 538 (2019) 660-670; doi: 10.1016/j.jcis.2018.12.034

  212. K. Danov, P. Kralchevsky, S. Stoyanov, J. Cook, I. Stott, Analytical modeling of micelle growth. 1. Chain-conformation free energy of binary mixed spherical, wormlike and lamellar micelles, J. Colloid Interface Sci. 547 (2019) 245-255; doi: 10.1016/j.jcis.2019.03.105

  213. K. Danov, P. Kralchevsky, S. Stoyanov, J. Cook, I. Stott, Analytical modeling of micelle growth. 2. Molecular thermodynamics of mixed aggregates and scission energy in wormlike micelles, J. Colloid Interface Sci. 551 (2019) 227-241; doi: 10.1016/j.jcis.2019.05.017

  214. R. Stanimirova, P. Kralchevsky, K. Danov, H. Xu, Y. Ung, J. Petkov, Oil drop deposition on solid surfaces in mixed polymer-surfactant solutions in relation to hair- and skin-care applications, Colloids Surf. A 577 (2019) 53-61; doi: 10.1016/j.colsurfa.2019.05.044

  215. P. Kralchevsky, R. Stanimirova, J. Petkov, H. Xu, WO/2019/070113-A1. WIPO Patent: A Conditioning Shampoo Composition, WO, 11.04.2019. https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2019070113

  216. V. Yavrukova, G. Radulova, K. Danov, P. Kralchevsky, H. Xu, Y. Ung, J. Petkov, Rheology of mixed solutions of sulfonated methyl esters and betaine in relation to the growth of giant micelles and shampoo applications, Adv. Colloid Interface Sci. 275 (2020) 102062, doi: 10.1016/j.cis.2019.102062

  217. V. Yavrukova, D. Shandurkov, K. Marinova, P. Kralchevsky, Y. Ung, J. Petkov, Cleaning ability of mixed solutions of sulfonated fatty acid methyl esters, J. Surfact. Deterg. (2020) DOI: 10.1002/jsde.12393

    Patents

    1. K. Nagayama, P. Kralchevsky, Wettability Apparatus for Particles, Assignee: Japanese Research and Development Corporation (JRDC); Japanese Patent – July 1993; International Patent – September 1993

    2. K. Danov, P. Kralchevsky, N. Christov, Anionic tenside sodium dodecyl sulphate solution`s liquid gas boundary surface characteristics determining method, involves measuring universal age through nominal age and constant, and determining constant using tensiometric measurements, Assignee: Krüss GmbH, Hamburg; German Patent No. DE102006018782-A1, April 2006

    3. P.A. Kralchevsky, R.D. Stanimirova, J.T. Petkov, H. Xu, WO/2019/070113-A1. WIPO Patent: A Conditioning Shampoo Composition, WO, 11.04.2019. https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2019070113

    4. S.E Anachkov, H. Jin, P. Kralchevsky; Y. Li, Oral care composition used for whitening teeth, comprises nonionic surfactant comprising one or more carbon-carbon double bond, pigment and carrier, and does not comprises anionic surfactants, amphoteric surfactants and polymers, Patent Number: WO2020035269-A1, 20.02.2020

    References

    1. Personal website

    2. In memoriam, Ñîôèéñêè óíèâåðñèòåò, 06.12.2020

    3. Ñêðúáíà âåñò, Áúëãàðñêàòà àêàäåìèÿ íà íàóêèòå, 07.12.2020

    4. A. Markarjan, Ïî÷èíà áèâøèÿ äåêàí íà ôàêóëòåòà ïî õèìèÿ è ôàðìàöèÿ â Ñîôèéñêèÿ óíèâåðñèòåò ïðîô. Ïåòúð Êðàë÷åâñêè, Off News, 07.12.2020

    5. Ïî÷èíà àkàä. Ïåòúð Êðàë÷åâñêè, Pik.bg, 06.12.2020


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