DCE Logo



Sonya R. Tsibranska, Ph.D.
CV | Publications | Image Representation | Phone: +359 2 8161 621

Sonya R. Tsibranska, Ph.D.

Research interests:

Emulsions and Emulsification
Nanoparticle Synthesis
Bulk Rheology of Emulsions
Molecular Dynamic Simulations




1. Rotator Phases in Hexadecane Emulsion Drops Revealed by X-ray Synchrotron Techniques, D. Cholakova, D. Glushkova, Z. Valkova, S. Tsibranska-Gyoreva, K. Tsvetkova, S. Tcholakova, N. Denkov, J. Colloid Interface Sci. 604 (2021) 260–271; doi: 10.1016/j.jcis.2021.06.122

2. Supersaturation and Solubilization upon In Vitro Digestion of Fenofibrate Type I Lipid Formulations: Effect of Droplet Size, Surfactant Concentration and Lipid Type, V. Katev, S. Tsibranska-Gyoreva, Z. Vinarov, S. Tcholakova, Pharmaceutics 13 (2021) 1287; doi: 10.3390/pharmaceutics13081287

3. Structure and Undulations of Escin Adsorption Layer at Water Surface Studied by Molecular Dynamics, S. Tsibranska, A. Ivanova, S. Tcholakova, N. Denkov, Molecules 26 (2021) 6856; doi: 10.3390/molecules26226856



1. Role of Interfacial Elasticity for the Rheological Properties of Saponin-stabilized Emulsions. S. Tsibranska, S. Tcholakova, K. Golemanov, N. Denkov, E. Pelan, S. Stoyanov, J. Colloid Interface Sci. 564 (2020) 264; doi: https://doi.org/10.1016/j.jcis.2019.12.108

2. Origin of the extremely high elasticity of bulk emulsions, stabilized by Yucca Schidigera saponins. S. Tsibranska, S. Tcholakova, K. Golemanov, N. Denkov, L. Arnaudov, E. Pelan, S. Stoyanov, Food Chem. 316 (2020) 126365; doi: https://doi.org/10.1016/j.foodchem.2020.126365

3. Development and Valuation of Doxycycline Niosomal Thermoresponsive in situ Gel for Ophthalmic Delivery. V. Gugleva, S. Titeva, N. Ermenlieva, S. Tsibranska, S. Tcholakova, S. Rangelov, D. Momekov International J. Pharmaceutics 591 (2020) 120010. doi: 10.1016/j.ijpharm.2020.120010

4. 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

5. Process for Preparing Transparent Emulsions, B. Ahtchi-Ali, S. Tcholakova, N. Denkov, S. Tsibranska, D. Gazolu-Rusanova, Patent Number: US20210059278A1 / 03.03.2021



1. Structure of Dense Adsorption Layers of Escin at the Air−Water Interface Studied by Molecular Dynamics Simulations. S. Tsibranska, A. Ivanova, S. Tcholakova, N. Denkov, Langmuir 35 (2019); doi: 10.1021/acs.langmuir.9b02260



1. 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

2. 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