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Research - Publications by Area:

 

Emulsions, including Food Emulsions and Emulsification

 

2017

1. Efficient Self-Emulsification via Cooling-Heating Cycles. S. Tcholakova, Z. Valkova, D. Cholakova, Z. Vinarov, I. Lesov, N. D. Denkov, K. Smoukov. Nature Comm., 8 (2017) 15012; doi: 10.1038/ncomms15012

2. Theory of Shape-Shifting Droplets. P. A. Haas, R. E. Goldstein, S. K. Smoukov, D. Cholakova, N. Denkov. Phys. Rev. Lett., 118 (2017) 088001; doi: 10.1103/PhysRevLett.118.088001

3. Universal Emulsion Stabilization from the Arrested Adsorption of Rough Particles at Liquid-Liquid Interfaces. M. Zanini, C. Marschelke, S.E. Anachkov, E. Marini, A. Synytska, L. Isa. Nature Comm. 8 (2017) 15701; doi:10.1038/ncomms15701

4. "Self-Shaping" of Multicomponent Drops. D. Cholakova, Zh. Valkova, S. Tcholakova, N. Denkov, S. K. Smoukov. Langmuir 33 (2017) 5696−5706. doi: 10.1021/acs.langmuir.7b01153

 

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. Mechanism of Lowering Cholesterol Absorption by Calcium Studied by In Vitro Digestion Model. L. Vinarova, Z. Vinarov, S. Tcholakova, N. D. Denkov, S. Stoyanov, A. Lips. Food & Function 7 (2016) 151–163.

4. The Secret Life of Drops. D. Cholakova, BBC Knowledge (Bulgaria) 74 (2016) 44-49.

5. Kinetics of Drop Breakage and Drop-Drop Coalescence in Turbulent Flow. S. Tcholakova, N. Politova, N. Denkov. Biomath Communications 3 (2016) 1–163.

6. 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.

7. On the Mechanism of Drop Self-Shaping in Cooled Emulsions. N. Denkov, D. Cholakova, S. Tcholakova, S. Smoukov. Langmuir 32 (2016) 7985–7991.

8. Control of Drop Shape Transformations in Cooled Emulsions. D. Cholakova, N. Denkov, S. Tcholakova, I. Lesov, S. K. Smoukov. Adv. Colloid Interface Sci. 235 (2016) 90–107.

9. Factors Affecting the Coalescence Stability of Microbubbles. N. Pagureva, S. Tcholakova, K. Rusanova, N. Denkov, T. Dimitrova. Colloids Surf. A 508 (2016) 21–26.

10. 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

 

2015

1. Lowering of Cholesterol Bioaccessibility and Serum Concentrations by Saponins: in Vitro and in Vivo Studies. L. Vinarova, Z. Vinarov, V. Atanasov, I. Pantcheva, S. Tcholakova, N. Denkov, S. Stoyanov. Food & Function 6 (2015) 501–512.

2. Mechanisms of Cholesterol and Saturated Fatty Acid Lowering by Quillaja saponaria Extract, Studied by in vitro Digestion Model. L. Vinarova, Z. Vinarov, B. Damyanova, S. Tcholakova, N. Denkov, S. Stoyanov. Food & Function 6 (2015) 1319–1330.

3. 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.

4. 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.

5. Self-Shaping of Oil Droplets via the Formation of Intermediate Rotator Phases upon Cooling. N. Denkov, S. Tcholakova, I. Lesov, D. Cholakova, S. K. Smoukov. Nature 528 (2015) 392–395.

 

2014

1. 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.

2. Nanoemulsions Obtained via Bubble-Bursting at a Compound Interface. J. Feng, M. Roche, D. Vigolo, L.N. Arnaudov, S.D. Stoyanov, T.D. Gurkov, G.G. Tsutsumanova, H.A. Stone. Nature Physics 10 (2014) DOI: 10.1038/nphys3003.

3. 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

2. Role of Polymer–Surfactant Interactions in Foams: Effects of pH and Surfactant Head Group for Cationic Polyvinylamine and Anionic Surfactants. R. Petkova, S. Tcholakova, N.D. Denkov, Colloids and Surfaces A: Physicochem. Eng. Aspects 438 (2013) 174-185.

2. US Patent "Process for Producing Finely Divided Suspensions by Melt Emulsification. R. Engel, T. Danner, B. Sachweh, S. Judat, A. Bauder, N. Denkov, S. Tcholakova, Pub. No.: US 2011/0275738.

3. WIPO Patent "Method for producing fine particle suspensions by melt emulsification". R. Engel, T. Danner, B. Sachweh, S. Judat, A. Bauder, N. Denkov, S. Tcholakova, WO 2011/138348 A1.

4. Ice cream: A delicious mix of crystals, droplets and bubbles. Z. Vinarov, BBC Knowledge (Bulgaria), 43 (2013) 28-33. [in Bulgarian, popular science]

 

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. Foam Rheology. N. D. Denkov, S. Tcholakova, R. Hoehler, S. Cohen-Addad, Chapter 6 in Foam Engineering: Fundamentals and Applications (1st Edition; P. Stevenson, Ed.), John Wiley & Sons, Chichester, UK, 2012.

3. 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.

4. Effects of Emulsifier Charge and Concentration on Pancreatic Lipolysis. 1. In the Absence of Bile Saltsd. Z. Vinarov, Y. Petkova, S. Tcholakova, N. Denkov, S. Stoyanov, E. Pelan, A Lips, Langmuir 28 (2012) 8127-8139.

5. Effects of Emulsifier Charge and Concentration on Pancreatic Lipolysis: 2. Interplay of Emulsifiers and Biles. Z. Vinarov, S. Tcholakova, B. Damyanova, Y. Atanasov, N. Denkov, S. Stoyanov, E. Pelan, A. Lips, Langmuir 28 (2012) 12140-12150.

6. In vitro study of triglyceride lipolysis and phase distribution of the reaction products and cholesterol: effects of calcium and bicarbonate. Z. Vinarov, L. Petrova, S. Tcholakova, N. Denkov, S. Stoyanov, A. Lips, Food & Function 3 (2012) 1206-1220.

7. Role of calcium in the battle against "bad" cholesterol. Z. Vinarov, BBC Knowledge (Bulgaria) (2012) 36 64-69. [in Bulgarian, popular science]

 

2011

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

2. Statistics of Rupture in Relation to the Stability of Thin Liquid Films with Different Size. T.D. Gurkov, J.K. Angarska, K.D. Tachev, W. Gaschler, Colloids and Surfaces A, 382 (2011) 174-180.

3. Hofmeister Effect on Micellization, Thin Films and Emulsion Stability. I.B. Ivanov, R.I. Slavchov, E.S. Basheva, D. Sidzhakova, S.I. Karakashev, Advances in Colloid and Interface Science 168 (2011) 93-104.

4. Adsorption Kinetics under the Influence of Barriers at the Subsurface Layer. T.D. Gurkov, Colloid Polym. Sci. 289 (2011) 1905-1915.

5. Efficient Emulsification of Viscous Oils at High Drop Volume Fraction. S. Tcholakova, I. Lesov, K. Golemanov, N. Denkov, S. Judat, R. Engel, T. Daner, Langmuir 27 (2011) 14783-14796.

 

2010

1. Emulsification and Emulsion Stability of Silica-charged Silicone Oils. S. Tcholakova, N. D. Denkov, D. Hristova, M. Deruelle, In The Proceedings of 5th World Congress on Emulsions, Lyon, France, 2010; Paper No. 4.1-50.

2. Drop Size in Concentrated Emulsions, Obtained by Rotor-Stator Homogenization. S. Tcholakova, I. Lesov, K. Golemanov, N. D. Denkov, S. Judat, In The Proceedings of 5th World Congress on Emulsions, Lyon, France, 2010; Paper No. 1.1-53.

3. Viscous Ffriction in Sheared Concentrated Emulsions and Foams. N. D. Denkov, S. Tcholakova, K. Golemanov, A. Lips, In The Proceedings of 5th World Congress on Emulsions, Lyon, France, 2010; Paper No. 1.3-69.

 

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. The Role of Surfactant Type and Bubble Surface Mobility in Foam Rheology. N. D. Denkov, S. Tcholakova, K. Golemanov, K. P. Ananthpadmanabhan, A. Lips, Soft Matter 5 (2009) 3389-3408.

4. Jamming in Sheared Foams and Emulsions, Explained by Critical Instability of the Films between Neighboring Bubbles and Drops. N. D. Denkov, S. Tcholakova, K. Golemanov, A. Lips, Phys. Rev. Lett. 103 (2009) 118302.

5. 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. Comparison of Solid Particles, Globular Proteins and Surfactants as Emulsifiers. S. Tcholakova, N. D. Denkov, and A. Lips, Phys. Chem. Chem. Phys. 10 (2008) 1608-1627 (invited article).

3. Viscous Friction in Foams and Concentrated Emulsions under Steady Shear. N. D. Denkov, S. Tcholakova, K. Golemanov, K. P. Ananthapadmanabhan, and A. Lips, Phys. Rev. Lett. 100 (2008) 138301.

4. Theoretical Model of Viscous Friction inside Steadily Sheared Foams and Concentrated Emulsions. S. Tcholakova, N.D. Denkov, K. Golemanov, K.P. Ananthapadmanabhan, A. Lips, Phys. Rev. E 78 (2008) 011405.

5. 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.

6. 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.

7. Breakup of Bubbles and Drops in Steadily Sheared Foams and Concentrated Emulsions. K. Golemanov, S. Tcholakova, N. D. Denkov, K. P. Ananthapadmanabhan and A. Lips, Physical Review E 78 (2008) 051405.

 

2007

1. Emulsification in Turbulent Flow: 1. Mean and Maximum Drop Diameters in Inertial and Viscous Regimes. N. Vankova, S. Tcholakova, N. D. Denkov, I. B. Ivanov, V. D. Vulchev, T. Danner, J. Colloid Interface Sci. 312 (2007) 363-380.

2. Emulsification in Turbulent Flow: 2. Breakage Rate Constants. N. Vankova, S. Tcholakova, N. D. Denkov, V. D. Vulchev, T. Danner, J. Colloid Interface Sci. 313 (2007) 612-629.

3. Emulsification in turbulent flow: 3. Daughter drop-size distribution. S. Tcholakova, N. Vankova, N. D. Denkov, T. Danner, J. Colloid Interface Sci. 310 (2007) 570-589.

4. 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.

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. Selection of Surfactants for Stable Paraffin-in-Water Dispersions, undergoing Solid-Liquid Transition of the Dispersed Particles. K. Golemanov, S. Tcholakova, N D. Denkov, and T. D. Gurkov, Langmuir 22 (2006) 3560-3569.

3. 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.

4. 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.

5. 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.

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

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

8. Interactions in Oil-Water-Oil Films Stabilized by Beta-Lactoglobulin; Role of the Surface Charge. E. S. Basheva, T. D. Gurkov, N. C. Christov, and B. Campbell, Colloids Surf. A, 282-283 (2006) 99-108.

9. Effect of Thermal Treatment, Ionic Strength, and pH on the Short-Term and Long-Term Coalescence Stability of Beta-Lactoglobulin Emulsions. S. Tcholakova, N.D. Denkov, D. Sidzhakova, B. Campbell, Langmuir 22 (2006) 6042-6052.

10. Numerical Simulation and Experimental Study of Emulsification in a Narrow-Gap Homogenizer. H. Steiner, R. Teppner, G. Brenn, N. Vankova, S. Tcholakova, N.D. Denkov, Chemical Engineering Science 61 (2006) 5841-5855.

11. Globular Proteins as Emulsion Stabilizers: Similarities and Differences with Surfactants and Solid Particles. N.D. Denkov, S. Tcholakova, I.B. Ivanov, In the Proceedings of the 4th World Congress on Emulsions, Lyon, France, 2006; Plenary Lecture.

12. Kinetics of Drop Breakup During Emulsification in Turbulent Flow. S. Tcholakova, N. Vankova, N.D. Denkov, I.B. Ivanov, T. Danner, In the Proceedings of the 4th World Congress on Emulsions, Lyon, France, 2006; Paper No. 2.2-304.

13. 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.

14. Stability and Behavior of Thin Oil-Water-Oil Films with beta-Lactoglobulin. E.S. Basheva, T.D. Gurkov, K. Krumova, B. Campbell, In the Proceedings of the 4th World Congress on Emulsions, Lyon, France, 2006; Paper No. 3.3-489.

15. Coalescence Stability of Emulsions Containing Globular Milk Proteins, S. Tcholakova, N.D. Denkov, I.B. Ivanov, B. Campbell, Advances in Colloid & Interface Science 123-126 (2006) 259-293.

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

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

3. Effects of Electrolyte Concentration and pH on the Coalescence Stability of Beta-Lactoglobulin Emulsions: Experiment and Interpretation, S. Tcholakova, N. D. Denkov, D. Sidzhakova, I. B. Ivanov, B. Campbell, Langmuir 21 (2005) 4842-4855.

4. 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.

5. 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.

6. Shape and Buckling Transitions in Solid-Stabilized Drops, H. Xu, S. Melle, K. Golemanov, G. Fuller, Langmuir 21 (2005) 10016-10020.

7. Hydrophobization of Glass Surface by Adsorption of Polydimethylsiloxane (PDMS), K. G. Marinova, D. Christova, S. Tcholakova, E. Efremov, N. D. Denkov, Langmuir 21 (2005) 11729-11737.

8. Theoretical model of viscous friction inside steadily sheared foams and concentrated emulsions. N. D. Denkov, S. Tcholakova, K. Golemanov, T. Hu, and A. Lips, Amer. Inst. Physics Conference Proceedings, 2008, 1027, 902-904 .

 

2004

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

2. Role of Surfactant Type and Concentration for the Mean Drop Size during Emulsification in Turbulent Flow. S. Tcholakova, N. D. Denkov, and T. Danner, Langmuir 20 (2004) 7444-7458.

3. 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.

4. 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.

5. Surface Forces in Model Oil-in-Water Emulsions Stabilized by Proteins. T.D. Dimitrova, F. Leal-Calderon, T.D. Gurkov, B. Campbell, Adv. Colloid Interface Sci. 108 (2004) 73-86.

6. Main factors controlling the emulsification process under turbulent conditions. 2. Experiment and data interpretation. S. Tcholakova, N. D. Denkov, I. B. Ivanov, T. Danner, 21st ICTAM, Warsaw, 2004, Paper FM8S_11669

 

2003

1. Interrelation between Drop Size and Protein Adsorption at Various Emulsification Conditions. S. Tcholakova, N. D. Denkov, D. Sidzhakova, I. B. Ivanov, and B. Campbell, Langmuir 19 (2003) 5640-5649.

2. 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.

 

2002

1. 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.

2. Hydrodynamic Behavior and Stability of Approaching Deformable Drops. T. D. Gurkov, E. S. Basheva, In: "Encyclopedia of Surface & Colloid Science", A. T. Hubbard (Ed.), Marcel Dekker, New York, 2002.

3. Gentle Film Trapping Technique with Application to Drop Entry Measurements. A. Hadjiiski, S. Tcholakova, I. B. Ivanov, T. D. Gurkov, E. F. Leonard, Langmuir 18 (2002) 127-138.

4. Coalescence in Beta-Lactoglobulin-Stabilized Emulsions: Effects of Protein Adsorption and Drop Size. S. Tcholakova, N. D. Denkov, I. B. Ivanov, B. Campbell, Langmuir 18 (2002) 8960-8971.

5. Methods for Evaluation of Emulsion Stability at a Single Drop Level. N. D. Denkov, S. Tcholakova, I. B. Ivanov, B. Campbell, Proceedings of Third World Congress on Emulsions, September, 2002, Lyon, France.

6. Coalescence in Protein Stabilized Emulsions. S. Tcholakova, N. D. Denkov, I. B. Ivanov, B. Campbell, Proceedings of Third World Congress on Emulsions, September, 2002, Lyon, France.

7. 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.

 

2001

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

2. Stability of Oil-in-Water Emulsions Containing Protein. I. B. Ivanov, E. S. Basheva, T. D. Gurkov, A. Hadjiiski, L. N. Arnaudov, N. D. Vassileva, S. Tcholakova, B. Campbell, In: "Food Colloids: Fundamentals and Formulation", E. Dickinson and R. Miller (Eds.), Royal Society of Chemistry, Cambridge, 2001, pp. 73-90.

3. 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.

4. Dilatational and Shear Elasticity of Gel-like Protein Layers on Air/Water Interface. J. Petkov, T. Gurkov, B. Campbell, R. Borwankar, Langmuir 16 (2000) 3703-3711.

5. Measurement of the Yield Stress of Gellike Protein Layers on Liquid Surfaces by Means of an Attached Particle. J. T. Petkov, T. D. Gurkov, B. E. Campbell, Langmuir 17 (2001) 4556-4563.

6. Disjoining Pressure vs. Thickness Isotherms of Thin Emulsion Films Stabilized by Proteins. T.D. Dimitrova, F. Leal-Calderon, T.D. Gurkov, B. Campbell, Langmuir 17 (2001) 8069-8077.

7. Dilatational and Shear Rheology of Protein Layers on Water/Air Interface. T. D. Gurkov, J. T. Petkov, B. Campbell, R. P. Borwankar, in: "Food Colloids, Fundamentals of Formulation" (E. Dickinson, R. Miller, Eds.), Royal Soc. Chem., Cambridge, UK, 2001, 181-190.

8. Lateral Capillary Forces between Floating Particles. P. A. Kralchevsky and K. Nagayama, Chapter 8 in the book: "Particles at Fluid Interfaces and Membranes" (P. A. Kralchevsky and K. Nagayama, Authors), Elsevier, Amsterdam, 2001; pp. 351-395.

9. Capillary Forces between Particles of Irregular Contact Line. P. A. Kralchevsky and K. Nagayama, Chapter 12 in the book: "Particles at Fluid Interfaces and Membranes" (P. A. Kralchevsky and K. Nagayama, Authors), Elsevier, Amsterdam, 2001; pp. 503-516.

 

2000

1. Kinetics of Cream Formation by the Mechanism of Consolidation in Flocculating Emulsions. T.D. Dimitrova, T.D. Gurkov, N.D. Vassileva, B.E. Campbell and R.P. Borwankar, J. Colloid Interface Sci. 230 (2000) 254-267.

2. Beta-Casein Adsorption Kinetics on Air-Water and Oil-Water interfaces Studied by Ellipsometry. S.C. Russev, T.V. Arguirov and T.D. Gurkov, Colloids and Surfaces B 19 (2000) 89-100.

3. Dilatational and Shear Elasticity of Gel-like Protein Layers on Air/Water Interface. J. Petkov, T. Gurkov, B. Campbell, R. Borwankar, Langmuir 16 (2000) 3703-3711.

4. Dilatational and Shear Rheology of Protein Layers on Water/Air Interface. T.D. Gurkov, J.T. Petkov, B. Campbell and R.P. Borwankar, Proceedings of the Conference "Food Colloids 2000: Fundamentals of Formulation" (April 3-6, 2000, Potsdam, Germany), E. Dickinson and R. Miller, Eds., Royal Soc. Chem., Cambridge, UK, 2001, p. 181.

 

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. 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.

3. Size Dependence of the Stability of Emulsion Drops Pressed Against a Large Interface. E. S. Basheva, T. D. Gurkov, I. B. Ivanov, G. Bantchev, B. Campbell and R. Borwankar, Langmuir 15 (1999) 6764-6769.

 

1998

1. Role of Oscillatory Structural Forces for Interactions in Thin Emulsion Films Containing Micelles. K. G. Marinova, T. D. Gurkov, T. D. Dimitrova, R. G. Alargova and D. Smith, Langmuir 14 (1998) 2011-2019.

2. Effect of Calcium Ions and Environmental Conditions on the Properties of Beta-Casein Stabilized Films and Emulsions. O. D. Velev, B. E. Campbell, R. P. Borwankar, Langmuir 14 (1998) 4122-4130.

3. Gradual Disintegration of Protein Lumps Contained in Thin Emulsion Films: Role of the Surface Diffusion. T.D. Gurkov, K.G. Marinova, A. Zdravkov, C. Oleksiak and B. Campbell, Progress in Colloid & Polymer Sci. 110 (1998) 263-268.

4. Oscillatory Structural Interactions in Thin Emulsion Films Containing Micelles of Ionic Surfactant. K.G. Marinova, T.D. Gurkov, T.D. Dimitrova, R.G. Alargova and D. Smith, Progress in Colloid & Polymer Sci. 110 (1998) 245-250.

5. Food Dispersion Stability. R.P. Borwankar, B. Campbell, C. Oleksiak, T.D. Gurkov, D.T. Wasan and Wen Xu, in: "Food Emulsions and Foams: Interfaces, Interactions and Stability" (E. Dickinson and J.M. Rodriguez-Patino, Eds.), Royal Society of Chemistry, London, 1998, p. 45-60.

 

1997

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

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. 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.

5. The Role of Additives for the Behaviour of Thin Emulsion Films Stabilized by Proteins. K. G. Marinova, T. D. Gurkov, O. D. Velev, I. B. Ivanov, B. Campbell and R. P. Borwankar, Colloids and Surfaces A 123-124 (1997) 155-167.

6. Charge of Emulsion Droplets Covered with Nonionic Surfactants. I. B. Ivanov, K. G. Marinova, R. G. Alargova, N. D. Denkov, R. P. Borwankar, In: Proceedings of the 2nd World Congress on Emulsions, Paper 2-2-149 (1997).

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

8. 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).

9. 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).

10. Effect of the Surfactant Concentration on the Kinetic Stability of Thin Foam and Emulsion Films. K. P. Velikov, O. D. Velev, K. G. Marinova, G. N. Constantinides, J. Chem. Soc., Faraday Trans. 93 (1997) 2069-2075.

11. Emulsion Films Stabilized by Proteins. K.G. Marinova, T.D. Gurkov, R.P. Borwankar, B. Campbell and C. Oleksiak, Proceedings of Second World Congress on Emulsions, EDS-Editeur, Paris, France, 1997; Paper No. 2-3-156.

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. Charging of Oil-Water Interfaces Due to Spontaneous Adsorption of Hydroxyl Ions. K.G. Marinova, R.G. Alargova, N.D. Denkov, O.D. Velev, D.N. Petsev, I.B. Ivanov, R.P. Borwankar, Langmuir 12 (1996) 2045-2051.

2. Film Trapping Technique: Precise Method for Three-Phase Contact Angle Determination of Solid and Fluid Particles of Micrometer Size. A. Hadjiiski, R. Dimova, N. D. Denkov, I. B. Ivanov, and R. Borwankar, Langmuir 12 (1996) 6665-6675.

 

1995

1. 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.

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

3. Stresses in Lipid Membranes and Interactions between Inclusions. P. A. Kralchevsky, V. N. Paunov, N. D. Denkov, K. Nagayama, J. Chem. Soc.: Faraday Trans., 91(19) (1995) 3415-3432.

4. Abnormal Thickness and Stability of Nonequilibrium Liquid Films. O. D. Velev, T. D. Gurkov, I. B. Ivanov and R. P. Borwankar, Phys. Rev. Letters 75 (1995) 264-267.

 

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.

2. Experimental Investigations on Model Emulsion Systems Stabilized with Non-ionic Surfactant Blends. O. D. Velev, T. D. Gurkov, Sv. K. Chakarova, B. I. Dimitrova, I. B. Ivanov and R. P. Borwankar, Colloids and Surfaces A 83 (1994) 43-55.

3. Composition of Mixed Adsorption Layers of Non-Ionic Surfactants on Oil/Water Interfaces. T. D. Gurkov, T. S. Horozov, I. B. Ivanov and R. P. Borwankar, Colloids and Surfaces A 87 (1994) 81-92.

 

1993

1. 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.

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

3. 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.

4. Spontaneous Cyclic Dimpling in Emulsion Films Due to Mass Transfer between the Phases. O. D. Velev, T. D. Gurkov and R. P. Borwankar, J. Colloid Interface Sci. 159 (1993) 497-501.

5. Dispersion Coalescence: Kinetic Stability of Creamed Dispersions. L. Lobo, I. B. Ivanov, D. T. Wasan, AIChE Journal, 39 (2) (1993) 322-334.

6. Investigation on the Mechanisms of Stabilization of Food Emulsions by Vegetable Proteins. O. D. Velev, A. D. Nikolov, N. D. Denkov, G. Doxastakis, V. Kiosseoglu, G. Stalidis, Food Hydrocolloids, 7 (1993) 55-71.

7. 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.

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

9. 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.

10. 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.

11. Stability of Films and Emulsions in the Presence of Nonionic Surfactant Blends. O. Velev, T, Gurkov, R. Alargova, K. Marinova, I. B. Ivanov, R. Borwankar, Proc. First World Congress in Emulsion, Paris, 1993.

12. On the Liquid Membrane Extraction of Lanthanum and Neodymium. M. Milanova, T. Horozov, A. Nikolov, D. Todorovsky, Sept. Sci. and Technology 28(8) (1993) 1641.

 

1992

1. Interfacial Properties and Emulsion Stability in Fluorinated Oil - Non-Fluorinated Oil - Surfactant(s) Systems. M. Morita, M. Matsumoto, S. Usui, T. Abe, N. Denkov, O. Velev, I. B. Ivanov, Colloids and Surfaces 67 (1992) 81-93.

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

 

1991

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

 

1990

1. The Role of the Surfactant Distribution on the Lifetime of Drops in the System Water/Nitroethane. S.K. Chakarova, M. Dupeyrat, E. Nakache, C.D. Dushkin, I.B. Ivanov, J. Surface Sci. Technol., 6(3) (1990) 201-215.

 

1989

1. Interfacial Effects in Solid-Stabilized Emulsions: Effect of Surfactant and pH on Film Tension and Particle Interaction Energy. B. V. Menon, A. D. Nikolov, D. T. Wasan, J. Dispersion Sci. and Technology 9 (1989) 575.

 

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.

2. Mass Transport Effects on the Stability of Emulsion Films with Acetic Acid and Acetone Diffusing across the Interface. B. Dimitrova, I.B. Ivanov and E. Nakache, J. Dispersion Science and Technology, 9 (4) (1988) 321-341.

3. Thin Film Drainage. I.B. Ivanov and D.S. Dimitrov, Chapter 7 in "Thin Liquid Films" (I.B. Ivanov, Ed.), M. Dekker, New York, 1988.

 

1987

1. Instability of Emulsion Liquid Films Induced by the Transfer of Acetic Acid. I. B. Ivanov, Sv. K. Chakarova, B. I. Dimitrova, Colloids and Surfaces 22 (1987) 311-316.

2. Effect of the Hydrocarbon Chain Length on the Interfacial Tension in n-Alkane-Water-Sodium Dodecylsulfate Systems. C. Dushkin, C. Vassilieff, T. Blagoeva, Molecular Crystals Liquid Crystals 152 (1987) 369-382.

 

1977

1. Hydrodynamics of Thin Liquid Films. Effect of Surfactants on the Velocity of Thinning of Emulsion Films, T.T. Traykov and I.B. Ivanov, International Journal of Multiphase Flow 3 (1977) 471-483.

2. Hydrodynamics of Thin Liquid Films. Experimental Investigation of the Effect of Surfactants on the Drainage of Emulsion Films, T.T. Traykov, E.D. Manev and I.B. Ivanov, International Journal of Multiphase Flow 3 (1977) 485-494.