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Prof. Slavka S. Tcholakova, Ph.D. (Head of the department)
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Prof. Slavka S. Tcholakova, Ph.D.

Research interests:

Emulsification in turbulent flow
Protein stabilized emulsions
Foam and surface rheology
Foam formation and stability (incl. antifoams)
Digestion and bioavailability
   
» See papers and citations at Google Scholar.
» ResearcherID (Web of Science): C-2103-2018
» Author ID (SCOPUS): 6507088345
» ORCID: 0000-0001-8091-7529

Publications:

 

2018

1. Effect of Surfactant Molecular Structure on Progesterone Solubilization. Z. Vinarov, P. Dobreva, S. Tcholakova. J. Drug. Deliv. Sci. Tec., 43 (2018) 44–49; doi: 10.1016/j.jddst.2017.09.014

2. Control of Surfactant Solution Rheology Using Medium-Chain Cosurfactants. Z. Mitrinova, S. Tcholakova, N. Denkov. Colloids Surf. A, 537 (2018) 173–184; doi: 10.1016/j.colsurfa.2017.10.018

3. Micellar Solubilization of Poorly Water-soluble Drugs: Effect of Surfactant and Solubilizate Molecular Structure. Z. Vinarov, V. Katev, D. Radeva, S. Tcholakova, N. Denkov. Drug. Dev. Ind. Pharm., 44 (2018) 677–686 doi: 10.1080/03639045.2017.1408642

4. Self-regulation of Foam Volume and Bubble Size during Foaming via Shear Mixinge. N. Politova, S. Tcholakova, Zh. Valkova, K. Golemanov, N. D. Denkov. Colloids Surf. A, 539 (2018) 18–28; doi: 10.1016/j.colsurfa.2017.12.006

5. Albendazole Solution Formulation via Vesicle-To-Micelle Transition of Phospholipid-Surfactant Aggregates. Z. Vinarov, G. Gancheva, V. Katev, S. Tcholakova, in Drug. Dev. Ind. Pharm. (2018) doi: 10.1080/03639045.2018.1438461

6. From Pickering Foams to Porous Carbonate Materials: Crack-free Structuring in Drying Ceramics. M. Hristova, I. Lesov, S. Tcholakova, V. Goletto, N. Denkov. Colloids Surf. A 552 (2018) 142–152; doi: 10.1016/j.colsurfa.2018.05.025

7. Saponin Adsorption at the Air−Water Interface Neutron Reflectivity and Surface Tension Study. J. Penfold, R. K. Thomas, I. Tucker, J. T. Petkov, S. D. Stoyanov, N. Denkov, K. Golemanov, S. Tcholakova, and J. R. P. Webster. Langmuir 34 (2018) 9540−9547; doi: 10.1021/acs.langmuir.8b02158

8. Solubilisation of Hydrophobic Drugs by Saponins. Z. Vinarov, D. Radeva, V. Katev, S. Tcholakova, N. Denkov. Ind. J. Pharm. Sci. 80 (2018) 709−718

9. Effect of Surfactant–Bile Interactions on the Solubility of Hydrophobic Drugs in Biorelevant Dissolution Media. Z. Vinarov, V. Katev, N. Burdzhiev, S. Tcholakova, N. Denkov, Mol. Pharm. 559 (2018) doi: 10.1021/acs.molpharmaceut.8b00884

10. Bottom-Up Synthesis of Polymeric Micro- and Nanoparticles with Regular Anisotropic Shapes. I Lesov, Z. Valkova, E. Vassileva, G. Georgiev, K. Ruseva, M. Simeonov, S. Tcholakova, N. Denkov, S. Smoukov, Macromolecules 51 (2018) 7456−7462; doi: 10.1021/acs.macromol.8b00529

 

2017

1. Factors Affecting the Stability of Water-oil-water Emulsion Films. N. Politova, S. Tcholakova, N. D. Denkov. Colloids Surf. A, 522 (2017) 608–620; doi: 10.1016/j.colsurfa.2017.03.055

2. 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

3. Role of Pickering Stabilization and Bulk Gelation for the Preparation and Properties of Solid Silica Foams. I. Lesov, S. Tcholakova, M. Kovadjieva, T. Saison, M. Lamblet, N. Denkov. J. Colloid Interface Sci. 504 (2017) 48–57; doi:10.1016/j.jcis.2017.05.036

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

5. Coalescence Stability of Water-in-Oil drops: Effects of Drop Size and Surfactant Concentration. N. Politova, S. Tcholakova, S. Tsibranska, N. D. Denkov, K. Muelheims. Colloids Surf. A 531 (2017) 32–39; doi: 10.1016/j.colsurfa.2017.07.085

6. Self-Assembly of Escin Molecules at the Air−Water Interface as Studied by Molecular Dynamics. S. Tsibranska, A. Ivanova, S. Tcholakova, N. Denkov. Langmuir 33 (2017) 8330−8341; doi: 10.1021/acs.langmuir.7b01719

7. Mechanisms and Control of Self-Emulsification upon Freezing and Melting of Dispersed Alkane Drops. Zh. Valkova, D. Cholakova, S. Tcholakova, N. Denkov, S. K. Smoukov. Langmuir 33 (2017) 12155−12170; doi: 10.1021/acs.langmuir.7b02048

8. Role of Surface Properties for the Kinetics of Bubble Ostwald Ripening in Saponin-stabilized Foams. S. Tcholakova, F. Mustan, N. Pagureva, K. Golemanov, N. D. Denkov, E. G. Pelan, S. D. Stoyanov. Colloids and Surfaces A 534 (2017) 16–25; doi: 10.1016/j.colsurfa.2017.04.055

 

2016

1. Role of Interactions between Cationic Polymers and Surfactants for Foam Properties. Z. Mitrinova, S. Tcholakova, N. Denkov, K. P. Ananth. Colloids Surf. A 489 (2016) 378–391.

2. Surface Properties of Adsorption Layers Formed from Triterpenoid and Steroid Saponins. N. Pagureva, S. Tcholakova, K. Golemanov, N. Denkov, E. Pelan, S. D. Stoyanov. Colloids and Surfaces A: Physicochem. Eng. Aspects 491 (2016) 18–28.

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

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

6. 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.

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

8. Improving Ibuprofen Solubility by Surfactant-Facilitated Self-Assembly into Mixed Micelles. K. Stoyanova, Z. Vinarov, S. Tcholakova. J. Drug. Deliv. Sci. Tec. 36 (2016) 208–215.

 

2015

1. Adsorption of Linear Alkyl Benzene Sulfonates on Oil–Water Interface: Effects of Na+, Mg2+ and Ca2+ ions. S. E. Anachkov, S. Tcholakova, D. T. Dimitrova, N. D. Denkov, N. Subrahmaniam, P. Bhunia. Colloids and Surfaces A: Physicochem. Eng. Aspects 466 (2015) 18–27.

2. 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.

3. 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.

4. 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.

5. Molecular Dynamics Simulation of the Aggregation Patterns in Aqueous Solutions of Bile Salts at Physiological Conditions. F. Mustan, A. Ivanova, G. Madjarova, S. Tcholakova, N. Denkov, J. Phys. Chem. B 119 (2015) 15631–15643.

 

2014

1. Drying of particle-loaded foams for production of porous materials: mechanism and theoretical modeling. I. Lesov, S. Tcholakova, N. Denkov. RSC Adv. 4 (2014) 811-823.

2. Mechanistic Understanding of the Modes of Action of Foam Control Agents. N.D. Denkov, K.G. Marinova, S.S. Tcholakova. Adv. Colloid Interface Sci. 206 (2014) 57-67.

3. Factors Controlling the Formation and Stability of Foams Used as Precursors of Porous Materials. I. Lesov, S. Tcholakova, N. Denkov. J. Colloid Interface Sci. 426 (2014) 9-21.

4. The Role of the Hydrophobic Phase in the Unique Rheological Properties of Saponin Adsorption Layers. K. Golemanov, S. Tcholakova, N. Denkov, E. Pelan, S. Stoyanov. Soft Matter 10 (2014) 7034–7044.

 

2013

1. Surface and Foam Properties of SLES + CAPB + Fatty Acid Mixtures: Effect of pH for C12–C16 Acids. Z. Mitrinova, S. Tcholakova, K. Golemanov, N. Denkov, M. Vethamuthu, K.P. Ananthapadmanabhan, Colloids and Surfaces A: Physicochem. Eng. Aspects 438 (2013) 186-198.

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.

3. 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.

4. 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.

5. WIPO Patent "High-performance thermal insulation materials". A. Dekoninck, N. Denkov, I. Lesov, S. Tcholakova, K. Golemanov, WO 2013/007958 A1.

6. Remarkably high surface visco-elasticity of adsorption layers of triterpenoid saponins. K. Golemanov, S. Tcholakova, N. Denkov, E. Pelan, S. D. Stoyanov, Soft Matter, 2013, 9, 5738.

7. Efficient Control of the Rheological and Surface Properties of Surfactant Solutions Containing C8−C18 Fatty Acids as Cosurfactants. Z. Mitrinova, S. Tcholakova, J. Popova, N. Denkov, B. Dasgupta, K.P. Ananthapadmanabhan, Langmuir 29 (2013) 8255-8265.

 

2012

1. Effect of Cationic Polymers on Foam Rheological Properties. N. Politova , S. Tcholakova , K. Golemanov, N.D. Denkov, M. Vethamuthu, K.P. Ananthapadmanabhan, Langmuir 28 (2012) 1115-1126.

2. Foaming and Foam Stability for Mixed Polymer−Surfactant Solutions: Effects of Surfactant Type and Polymer Charge. R. Petkova, S. Tcholakova, N. Denkov, Langmuir 28 (2012) 4996−5009.

3. 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.

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. Surface Shear Rheology of Saponin Adsorption Layers. K. Golemanov, S. Tcholakova, N. Denkov, E. Pelan, S. Stoyanov, Langmuir 28 (2012) 12071-12084.

7. 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.

 

2011

1. Surface Rheology of Saponin Adsorption Layers. R. Stanimirova, K. Marinova, S. Tcholakova, N.D. Denkov, S. Stoyanov, E. Pelan, Langmuir 27 (2011) 12486-12498.

2. 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.

3. Control of Ostwald Ripening by Using Surfactants with High Surface Modulus. S. Tcholakova, Z. Mitrinova, K. Golemanov, N. Denkov, M. Vethamuthu, K. P. Ananthapadmanabhan, Langmuir 27 (2011) 14807-14819.

 

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. 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.

2. 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.

 

2008

1. 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).

2. 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.

3. 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.

4. Surfactant Mixtures for Control of Bubble Surface Mobility in Foam Studies. K. Golemanov, N. D. Denkov, S. Tcholakova, M. Vethamuthu, and A. Lips, Langmuir 24 (2008) 9956–9961.

5. 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.

6. 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 .

 

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.

 

2006

1. 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.

2. 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.

3. Foam-Wall Friction: Effect of Air Volume Fraction for Tangentially Immobile Bubble Surface. N. D. Denkov, S. Tcholakova, K. Golemanov, V. Subramanian, and A. Lips, Colloids Surf. A, 282-283 (2006) 329-347.

4. 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.

5. 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.

6. 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.

7. 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.

8. 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.

 

2005

1. 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.

2. 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.

 

2004

1. 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.

2. 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.

3. 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. Model Studies on the Mechanism of Deactivation (Exhaustion) of Mixed Oil-Silica Antifoams. K.G. Marinova, S. Tcholakova, N. D. Denkov, S. Roussev, and M. Deruelle, Langmuir 19 (2003) 3084-3089.

2. 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.

 

2002

1. Role of Oil Spreading for the Efficiency of Mixed Oil-Solid Antifoams. N.D. Denkov, S. Tcholakova, K.G. Marinova, A. Hadjiiski, Langmuir 18 (2002) 5810-5817.

2. Model Studies of the Effect of Silica Hydrophobicity on the Efficiency of Mixed Oil-Silica Antifoams. N.D. Denkov, K.G. Marinova, S. Tcholakova, M. Deruelle, Langmuir 18 (2002) 8761-8769.

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. Role of Entry Barriers in Foam Destruction by Oil Drops. A. Hadjiiski, N. D. Denkov, S. Tcholakova, I. B. Ivanov, In: "Adsorption and Aggregation of Surfactants in Solution", K. L. Mittal and D. O. Shah (Eds.), Marcel Dekker, New York, 2002, pp. 465-500.

5. 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.

6. 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.

7. Mechanism of Foam Destruction by Emulsions of PDMS-silica Mixtures. N. D. Denkov, K. Marinova, S. Tcholakova, M. Deruelle, Proceedings of Third World Congress on Emulsions, September, 2002, Lyon, France.

8. 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.

 

2001

1. 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.

2. Van der Waals Interaction between Two Truncated Spheres Covered by a Uniform Layer (Deformed Drops, Vesicles, or Bubbles). S. Tcholakova, N. D. Denkov, R. Borwankar, B. Campbell, Langmuir 17 (2001) 2357-2362.

3. Effect of Oily Additives on Foamability and Foam Stability. 2. Entry Barriers. A. Hadjiiski, S. Tcholakova, N. D. Denkov, P. Durbut, G. Broze, A. Mehreteab, Langmuir 17 (2001) 7011-7021.