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Rumyana D. Stanimirova, Ph.D.
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Rumyana D. Stanimirova, Ph.D. Candidate

Research interests:

Surface rheology of protein adsorption layers
Protein Adsorption on Solid Surfaces by AFM
Dynamic and static surface tension
Contact angles and wetting
» See papers and citations at Google Scholar.




1. Enhanced Solubility of Methyl Ester Sulfonates Below Their Krafft Points in Mixed Micellar Solutions. V. I. Yavrukova, K. D. Danov, T. G. Slavova, R. D. Stanimirova, Y. W. Ung, A. T. K. Suan, H. Xu, J. T. Petkov, J. Colloid Interface Sci. 660 (2024). doi: 10.1016/j.jcis.2024.01.127



1. Volatile Aroma Surfactants: The Evaluation of the Adsorption−Evaporation Behavior under Dynamic and Equilibrium Conditions. O. Soboleva, T. Gurkov, R. Stanimirova, P. Protsenko, L. Tsarkova, Langmuir 38 (2022) 2793–2803; doi: 10.1021/acs.langmuir.1c02871



1. Analytical Modeling of Micelle Growth. 4. Molecular Thermodynamics of Wormlike Micelles from Ionic Surfactants: Theory vs. Experiment, K.D. Danov, P.A. Kralchevsky, R.D. Stanimirova, S.D. Stoyanov, J.L Cook, I.P. Stott, J. Colloid Interface Sci. 584 (2021) 561–581; doi: 10.1016/j.jcis.2020.10.004

2. Solubility of Ionic Surfactants Below Their Krafft Point in Mixed Micellar Solutions: Phase Diagrams for Methyl Ester Sulfonates and Nonionic Cosurfactants, K. Danov, R. Stanimirova, P. Kralchevsky, T. Slavova, V. Yavrukova, Y. Ung, E. Tan, H. Xu, J. Petkov, J. Colloid Interface Sci. 601 (2021) 474–485; doi: 10.1016/j.jcis.2021.05.147

3. Kinetics of Transfer of Volatile Amphiphiles (Fragrances) from Vapors to Aqueous Drops and Vice Versa: Interplay of Diffusion and Barrier Mechanisms, K. Danov, T. Gurkov, R. Stanimirova, R. Uzunova, Colloids Surf. A 625 (2021) 126931; doi: 10.1016/j.colsurfa.2021.126931



1. Vortex in Liquid Films from Concentrated Surfactant Solutions Containing Micelles and Colloidal Particles. E.S. Basheva, P.A. Kralchevsky, K.D. Danov, R.D. Stanimirova, N. Shaw, J.T. Petkov, J. Colloid Interface Sci. 576 (2020) 345−355; doi: 10.1016/j.jcis.2020.05.048

2. US Patent App. 16/652,725: A Conditioning Shampoo Composition. P.A. Kralchevsky, R.D. Stanimirova, J.T. Petkov, H. Xu, US 2020/0237634 A1, 30.07.2020.



1. 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

2. WIPO Patent: A Conditioning Shampoo Composition, WO, 11.04.2019. P.A. Kralchevsky, R.D. Stanimirova, J.T. Petkov, H. Xu, WO/2019/070113-A1.



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



1. 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.

2. Sulphonated Methyl Ester a Promising Surfactant for Detergency in Hard Water Conditions. Y.S. Lim, R.D. Stanimirova, H. Xu, J. Petkov. Household and Personal Care Today 11(4) July/August 2016, 47–51; ISSN 2035-4614.

3. Efficiency Processing Parameter for Plasma-Aided Surface Impregnation: III. Plasma Surface Activation. P. Dineff, I. Ivanov, D. Gospodinova, R.D. Stanimirova. Electrical Apparatus and Technologies (SIELA), 2016 19th International Symposium on; doi: 10.1109/SIELA.2016.7542993



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. 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.



1. 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.



1. Surface Pressure and Elasticity of Hydrophobin HFBII Layers on the Air-Water Interface: Rheology vs. Structure Detected by AFM Imaging. R.D. Stanimirova, T.D. Gurkov, P.A. Kralchevsky, K.T. Balashev, S.D. Stoyanov, E.G. Pelan. Langmuir 29 (2013) 6053-6067.

2. Co-Adsorption of the Proteins b-Casein and BSA in Relation to the Stability of Thin Liquid Films and Foams. K.G. Marinova, R.D. Stanimirova, M.T. Georgiev, N.A. Alexandrov, E.S. Basheva, P.A. Kralchevsky. In Colloid and Interface Chemistry for Nanotechnology (P.A. Kralchevsky, R. Miller and F. Ravera, Eds.). Taylor & Francis, New York, 2013; pp. 439-458.



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.