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Instrumental methods



1. Polymorphic Phase Transitions in Triglycerides and Their Mixtures Studied by SAXS/WAXS Techniques: In Bulk and in Emulsions. D. Cholakova, N. Denkov, Adv. Colloid Interface Sci. 333 (2024). doi: 10.1016/j.cis.2023.103071

2. Structure of Rotator Phases Formed in C13-C21 Alkanes and Their Mixtures: In Bulk and in Emulsion drops. D. Cholakova, M. Pantov, S. Tcholakova, N. Denkov, Cryst. Growth Des. 24 (2024). doi: doi: 10.1021/acs.cgd.3c01088 [arXiv]



1. Investigation of Cationic Surfactants Adsorption Behaviour on Silicon Wafers using Imaging Ellipsometry. M. Georgiev, B. Konstantinov, K. Marinova, J. Petkov, K. Danov, J. Technical Univ. Gabrov 66 (2023) 38–42

2. Structure of The Hexadecane Rotator Phase: Combination of X-ray Spectra and Molecular Dynamics Simulations. S. A. Burrows, E. E. Lin, D. Cholakova, S. Richardson, S. K. Smoukov, J. Phys. Chem. B 127 (2023) 7772–7784. doi: 10.1021/acs.jpcb.3c02027



1. Rheological Properties of Rotator and Crystalline Phases of Alkanes. D. Cholakova, K. Tsvetkova, S. Tcholakova, N. Denkov, Colloids Surf. A 634 (2022) 127926; doi: 10.1016/j.colsurfa.2021.127926

2. Flow Reactor for Preparation of Lipid Nanoparticles via Temperature Variations I.Lesov, D.Glushkova, D.Cholakova, M.T.Georgiev, S.Tcholakova, S.K.Smoukov, N.Denkov J. Ind. Eng. Chem. 112 (2022) 37–45; doi: 10.1016/j.jiec.2022.03.043

3. Polymorphic Phase Transitions in Bulk Triglyceride Mixtures. D. Cholakova, S. Tcholakova, N. Denkov, Cryst. Growth Des. 23 (2023) 2075-2091. doi: 10.1021/acs.cgd.2c01021



1. WIPO Patent: Oil-in-Water Emulsion of Nano-Sized Self-Emulsified Particulates, N. Denkov, S. Tcholakova, D. Glushkova, D. Cholakova, S. Smoukov, Patent Number: WO 2020/260577A1/ 30.12.2020



1. Preparation of TiO2 Nanoparticle Aggregates and Capsules by the 'Two-Emulsion Method'. N. Politova-Brinkova, S. Tsibranska-Gyoreva, S. Tcholakova, N. Denkov, T. Danner, Colloids Interfaces 4 (2020) 57; doi: 10.3390/colloids4040057



1. Surface Phase Transitions in Foams and Emulsions. N. Denkov, S. Tcholakova, D. Cholakova, Curr. Opin. Colloid Interface Sci. 44 (2019) 32–42; doi: 10.1016/j.cocis.2019.09.005



1. Detachment of Rough Colloids from Liquid–Liquid Interfaces. M. Zanini, I. Lesov, E. Marini, C.-P. Hsu, C. Marschelke, A. Synytska, S.E. Anachkov, L. Isa. Langmuir 34 (2018) 4861–4873; doi: 10.1021/acs.langmuir.8b00327



1. 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



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

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



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. 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.



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



1. Modified Capillary Cell for Foam Film Studies Allowing Exchange of the Film-Forming Liquid. P.A. Wierenga, E.S. Basheva, N.D. Denkov, Langmuir 25 (2009) 6035-6039.

2. 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.



1. 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.



1. 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.



1. 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.



1. 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.



1. 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.



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



1. Investigation of Thin Aqueous Films on Silica Using a Modified Interferometric Technique. P. Somasundaran, S. Simpson, R.K. Jain, I.B. Ivanov, V. Raghuraman, J. Colloid Interface Sci. 225 (2000) 243-246.

2. Adsorption Kinetics of Some Polyethylene Glycol Octylphenyl Ethers Studied by the Fast Formed Drop Technique. T. Horozov, L. Arnaudov, J. Colloid Interface Sci. 222 (2000) 146-155.

3. 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.



1. A Novel Fast Experimental Technique for Measuring Dynamic Surface and Interfacial Tension of Surfactant Solutions at Constant Interfacial Area. T. Horozov and L. Arnaudov, J. Colloid and Interface Sci. 219 (1999) 99-109.

2. Rotating Analyzer - Fixed Analyzer Ellipsometer Based on Null Type Ellipsometer. S. C. Russev, T. V. Arguirov, Review of Scientific Instruments 70(7) (1999) 3077-3082.



1. Investigations of Thin Liquid Films of Small Diameters and High Capillary Pressures by a Miniaturized Cell. O. D. Velev, G. N. Constantinides, D. G. Avraam, A. C. Payatakes, R. P. Borwankar, J. Colloid Interface Sci. 175 (1995) 68-76.