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Prof. Krassimir D. Danov, Ph.D., D.Sc., Corresponding Member of Bulgarian Acad. Sci.
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Prof. Krassimir D. Danov, Ph.D., D.Sc.

Research interests:

Hydrodynamics of Liquid Films, Drops and Bubbles
Interfacial Rheology and Bulk Rheology of Dispersions
Thermodynamics and Kinetics of Surfactant Adsorption
Kinetics of Coagulation and Flocculation
Instabilities and Critical Thickness of Liquid Films
   
» See papers and citations at Google Scholar.
» ResearcherID (Web of Science): C-2220-2018
» Author ID (SCOPUS): 7003531656
» ORCID: 0000-0002-9563-0974

Publications:

 

2019

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

2. Effect of ionic strength on the electro-dipping force. G. Lyutskanova-Zhekova, K. Danov, in Numerical Methods and Applications LNCS 11189, Springer, 2019, 433–440; doi: 10.1007/978-3-030-10692-8_49

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

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

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

 

2018

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

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

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

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

 

2017

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

 

2016

1. Monolayers from Charged Particles in a Langmuir Trough: Could Particle Aggregation Increase the Surface Pressure? P.V. Petkov, K.D. Danov, P.A. Kralchevsky. J. Colloid Interface Sci. 462 (2016) 223–234.

2. Shape Analysis of a Rotating Axisymmetric Drop in Gravitational Field: Comparison of Numerical Schemes for Real-Time Data Processing. K.D. Danov, S.N. Dimova, T.B. Ivanov, J.K. Novev. Colloids Surf. A 489 (2016) 75–85.

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

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

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

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

7. Self-assembly of molecules and colloid particles in the design of advanced materials and products. P.A. Kralchevsky, K.D. Danov, S.E. Anachkov, G.S. Georgieva. Proceedings of UNITECH 2016, Univ. Publ. House V. Aprilov, Gabrovo, 2016; p. 37-46; ISSN 1313-230X.

 

2015

1. Capillary Meniscus Dynamometry – Method for Determining the Surface Tension of Drops and Bubbles with Isotropic and Anisotropic Surface Stress Distributions. K.D. Danov, R.D. Stanimirova, P.A. Kralchevsky, K.G. Marinova, N.A. Alexandrov, S.D. Stoyanov, T.B.J. Blijdenstein, E.G. Pelan. J. Colloid Interface Sci. 440 (2015) 168–178.

2. Depletion Forces in Thin Liquid Films Due to Nonionic and Ionic Surfactant Micelles. P.A. Kralchevsky, K.D. Danov, S.E. Anachkov. Curr. Opin. Colloid Interface Sci. 20 (2015) 11–18.

3. Asymptotic Formulae for the Interaction Force and Torque between Two Charged Parallel Cylinders. K.D. Danov. Applied Mathematics and Computation 256 (2015) 642–655.

4. Solubility Limits and Phase Diagrams for Fatty Alcohols in Anionic (SLES) and Zwitterionic (CAPB) Micellar Surfactant Solutions. S.S. Tzocheva, K.D. Danov, P.A. Kralchevsky, G.S. Georgieva, A.J. Post, K.P. Ananthapadmanabhan. J. Colloid Interface Sci. 449 (2015) 46–61.

5. Chemical Physics of Colloid Systems and Interfaces. P.A. Kralchevsky, K.D. Danov, in Handbook of Surface and Colloid Chemistry, Fourth Updated Edition; K. S. Birdi, Ed.; CRC Press, Boca Raton, 2015; Chapter 4, p. 247.

6. Sulfonated Methyl Esters of Fatty Acids in Aqueous Solutions: Interfacial and Micellar Properties. K.D. Danov, R.D. Stanimirova, P.A. Kralchevsky, E.S. Basheva, V.I. Ivanova, J.T. Petkov. J. Colloid Interface Sci. 457 (2015) 307–318.

7. Shear Rheology of Mixed Protein Adsorption Layers vs Their Structure Studied by Surface Force Measurements. K.D. Danov, P.A. Kralchevsky, G.M. Radulova, E.S. Basheva, S.D. Stoyanov, E.G. Pelan. Adv. Colloid Interface Sci. 222 (2015) 148–161.

 

2014

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

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

3. Micellar Solutions of Ionic Surfactants and Their Mixtures with Nonionic Surfactants: Theoretical Modeling vs. Experiment. P.A. Kralchevsky, K.D. Danov, S.E. Anachkov. Colloid J. 76 (2014) 255-270.

4. Competitive Adsorption of the Protein Hydrophobin and an Ionic Surfactant: Parallel vs Sequential Adsorption and Dilatational Rheology. R.D. Stanimirova, K.G. Marinova, K.D. Danov, P.A. Kralchevsky, E.S. Basheva, S.D. Stoyanov, E.G. Pelan. Colloids Surf. A 457 (2014) 307−317.

5. Shear Rheology of Hydrophobin Adsorption Layers at Oil/Water Interfaces and Data Interpretation in Terms of a Viscoelastic Thixotropic Model. G.M. Radulova, K.D. Danov, P.A. Kralchevsky, J.T. Petkov, S.D. Stoyanov. Soft Matter 10 (2014) 5777−5786.

 

2013

1. Micelle-Monomer Equilibria in Solutions of Ionic Surfactants and in Ionic-Nonionic Mixtures: A Generalized Phase Separation Model. K.D. Danov, P.A. Kralchevsky, K.P. Ananthapadmanabhan. Adv. Colloid Interface Sci. (2013) DOI: 10.1016/j.cis.2013.02.001

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

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

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

 

2012

1. Role of Surfactants on the Approaching Velocity of Two Small Emulsion Drops. K.D. Danov, S.D. Stoyanov, N.K. Vitanov, I.B. Ivanov, J. Colloid Interface Sci. 368 (2012) 342-355.

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

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

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

5. Interfacial Layers from the Protein HFBII Hydrophobin: Dynamic Surface Tension, Dilatational Elasticity and Relaxation Times. N.A. Alexandrov, K.G. Marinova, T.D. Gurkov, K.D. Danov, P.A. Kralchevsky, S.D. Stoyanov, T.B.J. Blijdenstein, L.N. Arnaudov, E.G. Pelan, A. Lips, J. Colloid Interface Sci. 376 (2012) 296-306.

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

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

 

2011

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

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

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

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

 

2010

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

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

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

4. Equations of State and Adsorption Isotherms of Low Molecular Non-ionic Surfactants. I. B. Ivanov, K. D. Danov, D. Dimitrova, M. I. Boyanov, K. P. Ananthapadmanabhan, A. Lips, Colloids and Surfaces A 354 (2010) 118–133.

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

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

7. Interactions between Particles at a Fluid Interface. P. A. Kralchevsky, K. D. Danov, In: Nanoscience: Colloidal and Interfacial Aspects, V. M. Starov, Ed.; CRC Press, New York, 2010; Chapter 15, pp. 397-435.

 

2009

1. Effect of Disjoining Pressure on the Drainage and Relaxation Dynamics of Liquid Films with Mobile Interfaces. S. S. Tabakova, K. D. Danov, J. Colloid Interface Sci. 336 (2009) 273-284.

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

3. Surface Dilatational Rheology Measurements for Oil/Water Systems with Viscous Oils. N. Alexandrov, K. G. Marinova, K. D. Danov, I. B. Ivanov, J. Colloid Interface Sci. 339 (2009) 545-550.

 

2008

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

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

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

4. Instrument and Methods for Surface Dilatational Rheology Measurements. S. C. Russev, N. Alexandrov, K. G. Marinova, K. D. Danov, N. D. Denkov, L. Lyutov, V. Vulchev, and C. Bilke-Krause, Review of Scientific Instruments 79 (2008) 104102.

5. Chemical Physics of Colloid Systems and Interfaces. P. A. Kralchevsky, K. D. Danov and N. D. Denkov, Chapter 7 in Handbook of Surface and Colloid Chemistry (3rd Updated Edition; K. S. Birdi, Ed.). CRC Press, Boca Raton, FL, 2008.

 

2007

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

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

3. Experimental and Theoretical Investigations on Interfacial Temperature Jumps during Evaporation, V. K. Badam, V. Kumar, F. Durst and K. D. Danov, Experimental Thermal and Fluid Science 32 (2007) 276-292.

4. Role of the Counterions on the Adsorption of Ionic Surfactants, I. B. Ivanov, K. G. Marinova, K. D. Danov, D. Dimitrova, K. P. Ananthapadmanabhan and A. Lips, Advances in Colloid and Interface Science 134-135 (2007) 105-124.

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

6. Effect of Electric-Field-Induced Capillary Attraction on the Motion of Particles at an Oil–Water Interface, M. P. Boneva, N. C. Christov, K. D. Danov, and P. A. Kralchevsky, Physical Chemistry Chemical Physics 9(48) (2007) 6371-6384.

 

2006

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

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

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

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

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

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

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

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

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

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

11. Dynamics of Adsorption from Micellar Surfactant Solutions at Expanding Fluid Interfaces in Relation to the Emulsification Process. K.D. Danov, P.A. Kralchevsky, N.D. Denkov, K.P. Ananthapadmanabhan, A. Lips, In the Proceedings of the 4th World Congress on Emulsions, Lyon, France, 2006; Paper No. 2.1-376.

12. Mechanism of Drop Detachment from Micro-Pores with Application to Membrane Emulsification. K.D. Danov, P.A. Kralchevsky, N.C. Christov, D.K. Danova, In the Proceedings of the 4th World Congress on Emulsions, Lyon, France, 2006; Paper No. 2.2-377.

13. Disjoining Pressuire of Thin Films Stabilized by Nonionic Surfactants, K. D. Danov, I. B. Ivanov, K. P. Ananthapadmanabhan, A. Lips, Advances in Colloid & Interface Science 128-130 (2006) 185-215.

 

2005

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

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

3. Interfacial Rheology of Adsorbed Layers with Surface Reaction: On the Origin of the Dilatational Surface Viscosity, I.B. Ivanov, K.D. Danov, K.P. Ananthapadmanabhan, and A. Lips, Advances in Colloid & Interface Sci. 114-115 (2005) 61-92.

 

2004

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

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

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

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

5. Evaluation of the Precision of Drop-Size Determination in Oil/Water Emulsions by Low-Resolution NMR Spectroscopy. P.S. Denkova, S. Tcholakova, N.D. Denkov, K. D. Danov, B. Campbell, C. Shawl, D. Kim, Langmuir 20 (2004) 11402-11413.

6. Effect of Surfactants on Drop Stability and Thin Film Drainage. K. D. Danov, In: Fluid Mechanics of Surfactant and Polymer Solutions (CISM Cources and Lectures No. 463). V.M. Starov and I.B. Ivanov, Eds., Springer, New York, 2004; pp. 1-38.

 

2003

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

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

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

4. Monolayers of Globular Proteins on Air/Water Interface: Applicability of the Volmer Equation of State. T.D. Gurkov, S.C. Russev, K.D. Danov, I.B. Ivanov, B. Campbell, Langmuir 19 (2003) 7362-7369.

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

6. Application of the Model-Free Approach to Low Molecular Weight Systems with Hindered Internal Rotation: Cinnamoylmesitylene. P.S. Denkova, V.S. Dimitrov, S.M. Bakalova, J. Kaneti, K.D. Danov, Magnetic Resonance in Chemistry 41 (2003) 989-995.

 

2002

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

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

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

4. Stability of Draining Plane-Parallel Films Containing Surfactants. D.S. Valkovska, K. D. Danov, and I. B. Ivanov, Adv. Colloid Interface Sci. 96 (2002) 101-129.

5. Chemical Physics of Colloid Systems and Interfaces: 1. Introduction; 2. Surface Tension of Surfactant Solutions; 3. Capillary Hydrostatics and Thermodynamics; 4. Surface Forces. P. A. Kralchevsky, K. D. Danov and N. D. Denkov, Chapter 5 in "Handbook of Surface and Colloid Chemistry", Second Edition (K. S. Birdi, Ed.), CRC Press, New York, 2002.

6. Chemical Physics of Colloid Systems and Interfaces: 5. Hydrodynamic Interactions in Dispersions; 6. Kinetics of Coagulation. P. A. Kralchevsky, K. D. Danov and N. D. Denkov, Chapter 5 in "Handbook of Surface and Colloid Chemistry", Second Edition (K. S. Birdi, Ed.), CRC Press, New York, 2002.

7. Chemical Physics of Colloid Systems and Interfaces: 7. Mechanisms of Antifoaming; 8. Electrokinetic Phenomena in Colloids; 9. Optical Properties of Dispersions and Micellar Solutions. P. A. Kralchevsky, K. D. Danov and N. D. Denkov, Chapter 5 in "Handbook of Surface and Colloid Chemistry", Second Edition (K. S. Birdi, Ed.), CRC Press, New York, 2002.

8. Reconstruction of the Electric Charge Density in Thin Films from the Contrast Transfer Function Measurements. K. D. Danov, R. Danev, K. Nagayama, Ultramicroscopy 90 (2002) 85-95.

9. Adsorption of sodium dodecyl sulfate in the presence of magnesium sulfate. An estimation of the adsorption of magnesium ions in Stern layer based on the surface tension data. J.K. Angarska, B.St. Dimitrova, P.A. Kralchevsky, K.D. Danov, Collection of Scientific Studies in Natural Sciences. University Publisher Ep. Konstantin Preslavsky, Shumen, Bulgaria, 2002; pp. 192-209.

 

2001

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

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

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

4. On the Viscosity of Dilute Emulsions. K. D. Danov, J. Colloid Interface Sci. 235 (2001) 144-149.

5. Influence of Ionic Surfactants on the Drainage Velocity of Thin Liquid Films. D. S. Valkovska, K. D. Danov, J. Colloid Interface Sci. 241 (2001) 400-412.

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

7. The Formation of Satellite Droplets by Unstable Binary Drop Collision. G. Brenn, D.S. Valkovska, K.D. Danov, Phys. Fluids 13 (2001) 2463-2477.

8. Charging of Thin Films Measured by Electron Interferoscopy: Theory and Experiment. K. D. Danov, R. Danev, and K. Nagayama, Ultramicroscopy 87 (2001) 45-54.

 

2000

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

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

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

4. Determination of Bulk and Surface Diffusion Coefficients from Experimental Data for Thin Liquid Film Drainage. D. S. Valkovska, K. D. Danov, J. Colloid Interface Sci. 223 (2000) 314-316.

5. Drag of a Solid Particle Trapped in a Thin Film, or at an Interface: Influence of Surface Viscosity and Elasticity. R. Dimova, K. D. Danov, B. Pouligny, and I. B. Ivanov, J. Colloid Interface Sci. 226 (2000) 35-43.

6. Effect of Surfactants on the Stability of Films between Two Colliding Small Bubbles. D.S. Valkovska, K. D. Danov, I.B. Ivanov, Colloids Surf. A 175 (2000) 179-192.

7. Mutual Approach and Stability of Two Slightly Deformed Bubbles. D.S. Valkovska, K.D. Danov, Proceedings of the 3rd Eurofoam Conference, Emulsions and Applications, 4-8 June, 2000, Delft, The Netherlands, p. 199.

8. Viscous Drag of a Solid Sphere Straddling a Spherical or Flat Surface. K.D. Danov, R. Dimova, and B. Pouligny, Phys. Fluids 12 (2000) 2711-2722.

 

1999

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

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

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

4. Falling Ball Viscosimetry of Giant Vesicle Membranes: Finite-Size Effects. R. Dimova, C. Dietrich, A. Hadjiiski, K. D. Danov, B. Pouligny, Eur. Phys. J. B 12 (1999) 589-598.

5. Motion of a Massive Particle Attached to a Spherical Interface: Statistical Properties of the Particle Path. K. Velikov, K. D. Danov, M. Angelova, C. Dietrich, B. Pouligny, Colloids & Surfaces A 149 (1999) 245-251.

6. Surfactants Role on the Deformation of Colliding Small Bubbles. D. S. Valkovska, K. D. Danov, I. B. Ivanov, Colloids & Surfaces A 156 (1999) 547-566.

7. Effect of Surfactants on the Film Drainage. K. D. Danov, D. S. Valkovska and I. B. Ivanov, J. Colloid Interface Sci. 211 (1999) 291-303.

8. Part 1 of the review "Equilibrium and Dynamics of Surfactant Adsorption Monolayers and Thin Liquid Films". K.D. Danov, P.A. Kralchevsky and I.B. Ivanov, in: Handbook of Detergents, Part A: Properties, G. Broze, Ed., Chapter 9. M. Dekker, New York, 1999; pp. 303-418.

9. Part 2 of the review "Equilibrium and Dynamics of Surfactant Adsorption Monolayers and Thin Liquid Films". K.D. Danov, P.A. Kralchevsky and I.B. Ivanov, in: Handbook of Detergents, Part A: Properties, G. Broze, Ed., Chapter 9. M. Dekker, New York, 1999; pp. 303-418.

10. A Novel Fast Experimental Technique for Measuring Dynamic Surface and Interfacial Effect of Ionic Surfactants on the Film Drainage. D.S. Valkovska and K.D. Danov, in the Proceedings of the 15th Brazilian Congress of Mechanical Engineering, COBEM'99, paper AAEEJA, Sao Paulo, 1999.

11. Effect of Ionic Surfactants on the stability of plane-parallel films. D.S. Valkovska and K.D. Danov, in the Proceedings of the 15th Brazilian Congress of Mechanical Engineering, COBEM'99, paper AAEEJC, Sao Paulo, 1999.

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

 

1998

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

2. Stability of Evaporating Two-Layered Liquid Film in the Presence of Surfactant: I. The Equations of Lubrication Approximation. K. D. Danov, V. N. Paunov, N. Alleborn, H. Raszillier and F. Durst, Chem. Eng. Sci. 53 (1998) 2809-2822.

3. Stability of Evaporating Two-Layered Liquid Film in the Presence of Surfactant: II. Linear Analysis. K. D. Danov, V. N. Paunov, S. D. Stoyanov, N. Alleborn, H. Raszillier and F. Durst, Chem. Eng. Sci. 53 (1998) 2823-2837.

4. Stability of Evaporating Two-Layered Liquid Film in the Presence of Surfactant: III. Non-Linear Stability Analysis. V. N. Paunov, K. D. Danov, N. Alleborn, H. Raszillier, and F. Durst, Chem. Eng. Sci. 53 (1998) 2839-2857.

5. Stokes Flow Caused by the Motion of a Rigid Sphere Close to a Viscous Interface. K. D. Danov, T. D. Gurkov, H. Raszillier, and F. Durst, Chem. Eng. Sci. 53 (1998) 3413-3434.

6. Role of Surface Forces in the Stability of Evaporating Thin Liquid Films That Contain Surfactant Micelles. T. D. Gurkov, K. D. Danov, N. Alleborn, H. Raszillier and F. Durst, J. Colloid Interface Sci. 198 (1998) 224-240.

7. The Stability of Evaporating Thin Liquid Films in the Presence of Surfactant: I. Lubrication Approximation and Linear Analysis. K. D. Danov, N. Alleborn, H. Raszillier and F. Durst, Phys. Fluids 10(1) (1998) 131-143.

 

1997

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

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

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

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

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

6. Adsorption Kinetics of Ionic Surfactants with Detailed Account for the Electrostatic Interactions. I. No Added Electrolyte. P. M. Vlahovska, K. D. Danov, A. Mehreteab and G. Broze, J. Colloid Interface Sci. 192 (1997) 194-206.

7. Hydrodynamic Theory for Spontaneously Growing Dimple in Emulsion Films with Mass Transfer. K. D. Danov, T. D. Gurkov, T. Dimitrova, I. B. Ivanov and D. Smith, J. Colloid Interface Sci. 188 (1997) 313-324.

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

9. Critical Film Thickness and Coalescence in Emulsions. K. D. Danov, I. B. Ivanov, In: Proceedings of the 2nd World Congress on Emulsions, Paper 2-3-154 (1997).

10. Stability of Liquid Films in Non-preequilibrated Emulsions. T. D. Gurkov, K. D. Danov, O. D. Velev, I. B. Ivanov, R. P. Borwankar, In: Proceedings of the 2nd World Congress on Emulsions, Paper 2-3-155 (1997).

11. Motion of a Massive Microsphere Bound to a Spherical Vesicle. K.P. Velikov, C. Dietrich, A. Hadjiisky, K. Danov, B. Pouligny, Europhys. Let. 40 (1997) 405-410.

12. Stability of Emulsions under Static and Dynamic Conditions. O. D. Velev, K. D. Danov and I. B. Ivanov, J. Dispersion Sci. Technology 18 (1997) 625-645.

 

1996

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

2. Precise Method for Measuring the Shear Surface Viscosity of Surfactant Monolayers. J. T. Petkov, K. D. Danov, N. D. Denkov, R. Aust and F. Durst, Langmuir 12 (1996) 2650-2653.

3. Effect of the Surface Expansion and Wettability of Capillary on the Dynamic Surface Tension Measured by Maximum Bubble Pressure Method. T. S. Horozov, C. D. Dushkin, K. D. Danov, L. N. Arnaudov, O. D. Velev, A. Mehreteab, G. Broze, Colloids & Surfaces A 113 (1996) 117-126.

 

1995

1. Influence of the Surface Viscosity on the Drag and Torque Coefficients of a Solid Particle in a Thin Liquid Layer. K. D. Danov, R. Aust, F. Durst and U. Lange, Chemical Engineering Science 50 (1995) 263-277.

2. Slow Motions of a Solid Spherical Particle Close to a Viscous Interface. K. D. Danov, R. Aust, F. Durst and U. Lange, International Journal of Multiphase Flow 21 (1995) 1169-1189.

3. On the Slow Motion of an Interfacial Viscous Droplet in a Thin Liquid Layer. K. D. Danov, R. Aust, F. Durst and U. Lange, Chemical Engineering Science 50 (1995) 2943-2956.

4. Flocculation of Deformable Emulsion Droplets. I. Droplet Shape and Line Tension Effects. N. D. Denkov, D. N. Petsev, K. D. Danov, J. Colloid Interface Sci. 176 (1995) 189-200.

5. Measurement of the Drag Coefficient of Spherical Particles Attached to Fluid Interfaces. J. T. Petkov, N. D. Denkov, K. D. Danov, O. D. Velev, R. Aust, F. Durst, J. Colloid Interface Sci. 172 (1995) 147-154.

6. Influence of the Surface Viscosity on the Hydrodynamic Resistance and Surface Diffusivity of a Large Brownian Particle. K. D. Danov, R. Aust, F. Durst, U. Lange, J. Colloid Interface Sci. 175 (1995) 36-45.

7. Thin Liquid Film Physics. P.A. Kralchevsky, K.D. Danov and I.B. Ivanov, in: "Foams: Theory, Measurements and Applications", R.K. Prud'homme, Editor; M. Dekker, New York, 1995; pp. 1-97.

 

1994

1 Kinetic Model for the Simultaneous Processes of Flocculation and Coalescence in Emulsion Systems. K. D. Danov, I. B. Ivanov, T. D. Gurkov, R. Borwankar, J. Colloid Interface Sci. 167 (1994) 8-17.

 

1993

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

2. Coalescence Dynamics of Deformable Brownian Emulsion Droplets. K. D. Danov, N. D. Denkov, D. N. Petsev, I. B. Ivanov and R. Borwankar, Langmuir 9 (1993) 1731-1740.

3. Interaction between Deformable Brownian Droplets. N. D. Denkov, D. N. Petsev, K. D. Danov, Phys. Rev. Lett. 71 (1993) 3226-3229.

4. Pair Interaction Energy between Deformable Drops and Bubbles. K. D. Danov, D. N. Petsev, N. D. Denkov, R. Borwankar, J. Chem. Phys. 99 (1993) 7179-7189.

5. Bancroft Rule and Hydrodynamic Stability of Thin Films and Emulsions. K. Danov, O. Velev, I. Ivanov, R. Borwankar, Proc. First World Congress in Emulsion, Paris, 1993.

6. Droplet Interactions and Coalescence in Emulsions. K.D. Danov, N.D. Denkov, D.N. Petsev, I.B. Ivanov and R.P. Borwankar, Proc. First World Congress on Emulsions, Paris, 1993.

7. Kinetics of Simultaneous Flocculation and Coalescence in Emulsion Systems. K.D. Danov, T.D. Gurkov, I.B. Ivanov and R.P. Borwankar, Proc. First World Congress on Emulsions, Paris, 1993.

 

1988

1. Marginal Stability of Emulsion Thin Films. K. Danov, I.B. Ivanov, Z.Z. Zapryanov, E. Nakache and S. Raharimalala, In: "Synergetics, Order and Chaos", M.G. Velarde (Ed), World Scientific, London, (1988) 178-192.