Dr. Ksenija Kogej, Full Professor

BIOGRAPHIC DATA
 
Education
- 1984: University Diploma Degree in Chemistry, Faculty of Natural Sciences and Technology, University of Ljubljana
- 1988: Master Degree in Chemistry, Faculty of Natural Sciences and Technology, University of Ljubljana
- 1994: Ph. D. in Chemical Sciences, Faculty of Chemistry and Chemical Technology, University of Ljubljana

Employments
- Institute for Electronics and Vacuum Technology (April 1984 - March 1985)
- Faculty of Chemistry and Chemical Technology, University of Ljubljana (from April 1985)

Sabbatical Leaves
- 2009 (1 month): visiting professor, Laboratory of Polymer Chemistry, University of Helsinki, Finland.
- 2000 (3 months): visiting professor, Laboratory of Macromolecular Structural Chemistry, Catholic University of Leuven, Belgium
- 2000 (4 months): visiting professor, Department of Biochemistry, Biophysics and Macromolecular Chemistry, University of Trieste, Italy
- 1999/2000 (5 months): visiting professor, Laboratory of Polymer Chemistry, Catholic University of Leuven, Belgium

Training Abroad
- 1988/1989 (12 months): researcher, Tokyo Institute of Technology (TIT), Tokyo, Japan; scholarship of UNESCO and the Japanese Ministry of Science and Education (MOMBUSHO) for the participation at the 24^th International Postgraduate University Course in Chemistry and Chemical Engineering; supervisor: Prof. Heihachiro Okabe

Teaching Positions
- Full professor of Physical Chemistry 2011-
- Associate Professor of Physical Chemistry 2006-2011
- Assistant Professor of Physical Chemistry 1995-2006
- Assistant of Physical Chemistry 1986-1995

Opponent in PhD defense

- opponent in the PhD defense of Sravani Keerthi Ramisetty: Synergy of condensing agents and macromolecular crowding on DNA condensation, Norwegian University of Science and Technology, Trondheim, 2017.
- opponent in the PhD defense of Peter Nilsson: Interaction between crosslinked polyelectrolyte gels and oppositely charged surfactant, Faculty of Pharmacy, Uppsala University, Uppsala, 2007.
- member in the PhD defense committee for Nine Vlachy: Formation and Stabilization of Vesicles in Mixed Surfactant Systems, University of Regensburg, Regensburg, 2009.
- member in the PhD defense committee for Elisabeth Theunissen: Structure-Properties Relations of Physical (Bio)Polymeric Networks, Catholic University of Leuven, Leuven, 2002.

Professional Positions

- Head of the Chair for Physical Chemistry at the Faculty of Chemistry and Chemical Technology , University of Ljubljana (UL FCCT) (2009-2013)
- Member of the Senate of UL FCCT (2009-2013)
- Member of the Committee for Prešeren awards for students, UL FCCT (2000-2005)
- Member of the Study Committee, UL FCCT (2006-2008)
- Member of the Slovenian Chemical Society
- Member of the Alumni, UL FCCT
- Member of the Editorial board of Acta Chimica Slovenica 2013-: Acta Chimica Slovenica
- Member of the Editorial board of Chemical Data Collections, Elsevier, 2016-: http://www.journals.elsevier.com/chemical-data-collections/
- Editor-in-Chief of Acta Chimica Slovenica 2018-: Acta Chimica Slovenica
- Guest Editor Polymers 2019


TEACHING ASSIGNMENTS

Bologna 1^st Cycle Programmes
- Physical Chemistry (BK113S) (University Study Programme BIOCHEMISTRY at UL FCCT)
- Surface and Colloid Chemistry (KESI11) (University Study Programme CHEMISTRY at UL FCCT)
- Physical Chemistry I (KT116) (Professional Study Programme CHEMICAL TECHNOLOGY at UL FCCT)
- Physical Chemistry II (KT132) (Professional Study Programme CHEMICAL TECHNOLOGY at UL FCCT)


Bologna 2^nd Cycle Programmes
- Physical Chemistry of Polymers (University Study Programme Graphic and Interactive Communications and Textile and Fashion Design at UL, Faculty of Natural Sciences and Engineering)

Bologna 3^rd Cycle Programmes
- Selected Topics in Experimental Physical Chemistry (KZ306) (Doctoral Study Programme CHEMICAL SCIENCES at UL FCCT; Course coordinator: Prof. Marija Bešter Rogač)
- Colloids (09-2-02) (Interdisciplinary Doctoral Study Programme BIOSCIENCES at UL, Biotechnical Faculty (BF); course coordinator: Prof. Ksenija Kogej)
- Biology, Biophysics and Technology of Nanostructures (09-1-01) (Interdisciplinary Doctoral Study Programme BIOSCIENCES at UL BF; course coordinator: Prof. Damjana Drobne)

Study Material
- Kogej, K. "Surface and Colloid Chemistry" (University textbook), 1st Edition, Ljubljana: University of Ljubljana, Faculty of Chemistry and Chemical Technology, 2010, 185 pages, ISBN 978-961-6756-15-0.
- Kogej, K. "Surface and Colloid Chemistry" (University textbook), 2nd Edition, Ljubljana: University of Ljubljana, Faculty of Chemistry and Chemical Technology, 2015, 185 pages, ISBN 978-961-6756-56-3.
- Bešter-Rogač, M. Bežan, J. Cerar, A. Godec, B. Hribar, A. Jamnik, B. Jamnik, K. Kogej, I. Livk, C. Pohar, N. Poklar, J. Reščič, M. Salobir in G. Vesnaver, "Practical Course in Physical Chemistry", Ljubljana, 1999, 65 pages.
- Kogej, K. "Physical Chemistry of Polymers"; internal study material for students of Graphic and Interactive Communications and Textile and Fashion Design, 2nd Bologna study programme; Ljubljana, University of Ljubljana, Faculty of Chemistry and Chemical Technology, 2014, 70 pages.
- Kogej, K. "Notes on Static and Dynamic Light Scattering"; internal study material for students at FCCT and other study programmes at UL; Ljubljana, University of Ljubljana, Faculty of Chemistry and Chemical Technology, 2012, 57 pages.

RESEARCH INTERESTS (more information at SICRIS: 04614)

Research Fields
- Thermodynamic and transport properties of aqueous solutions of polyelectrolytes and surface active agents
- Interactions and structures in mixed polyelectrolyte-surfactant systems
- Complex colloid systems (associating polymers, micelles, vesicles, exosomes, drug delivery systems,…)
- Application of static and dynamic light scattering for investigation of colloidal systems

Participation in National Research Projects and Programmes
Current:
- P1-0201 "Physical Chemistry" (2015- , Primary investigator: Prof. Vojeslav Vlachy)
- COST CM1206 "Exil-Exchange on Ionic Liquids" (substitute of the representative of Slovenia-Prof. Marija Bešter-Rogač)
Previous:
- International Project INTAS-00-113; project title: "New Polymer Systems for Bioseparation"; principal investigator in Slovenia: Prof. Ksenija Kogej; project coordinator: Prof. Heikki Tenhu, University of Helsinki, Finland; (duration of the project: 1. 8. 2001 – 1. 11. 2003)
- Bilateral Project between Slovenia and Portugal BI-PT/04-06-012; project title: "Effect of Chain Hydrophobicity and Stiffness on Interactions between Polyelectrolytes and Surfactants"; project coordinator in Slovenia: Ksenija Kogej (duration of the project: 1. 1. 2008 – 31. 12. 2009)
- Bilateral Project between Slovenia and Finland BI-FI/09-005; project title: "Association Phenomena in Aqueous Polyelectrolyte and Mixed Polyelectrolyte-Surfactant Solutions "; project coordinator in Slovenia: Ksenija Kogej (duration of the project: 18. 8. 2009 – 31. 12. 2009)
- Bilateral Project between Slovenia and Finland BI-FI/11-12-004; project title: "A Light scattering Study of Aqueous Solutions of Isotactic Poly(methacrylic Acid)"; project coordinator in Slovenia: Ksenija Kogej (duration of the project: 1. 1. 2011 – 31. 12. 2012)
- project of the ESRF (European Synchrotron Radiation Facility) for 72 hours of measuring time at the DUBBLE X-ray beam line of the synchrotron in Grenoble; project title: "Phase behavior and structures in complexes of poly(styrenesulfonate anion) and cetyltrimethylammonium cations"; cooperation with Prof. Bart Goderis (Catholic University of Leuven, Belgium) and Prof. Per Hansson (University of Uppsala, Sweden); 2009.

Selected Publications
1. SITAR, Simona, GODERIS, Bart, HANSSON, Per, KOGEJ, Ksenija. Phase Diagram and Structures in Mixtures of Poly(Styrenesulfonate Anion) and Alkyltrimethylammonium Cations in Water: Significance of Specific Hydrophobic Interaction. J. Phys. Chem. B 2012, 116, 4634-4645.
2. KOGEJ, Ksenija, FONSECA, Sofia M., ROVISCO, J., AZENHA, M. E., LUÍSA RAMOS, M., SEIXAS DE MELO, J., BURROWS, Hugh. Understanding the Interaction between Trivalent Lanthanide Ions and Stereoregular Polymethacrylates through Luminescence, Binding Isotherms, NMR, and Interaction with Cetylpyridinium Chloride. Langmuir 2013, 29, 14429-14437.
3. SITAR, Simona, ASEYEV, Vladimir, KOGEJ, Ksenija. Microgel-Like Aggregates of Isotactic and Atactic Poly(Methacrylic Acid) Chains in Aqueous Alkali Chloride Solutions as Evidenced by Light Scattering. Soft matter, 2014, 10, 7712-7722.
4. BRAČIČ, Matej, HANSSON, Per, PÉREZ, Lourdes, ZEMLJIČ, Lidija, KOGEJ, Ksenija. Interaction of Sodium Hyaluronate with a Biocompatible Cationic Surfactant from Lysine: A Binding Study. Langmuir 2015, 31, 12043–12053; the publication http://pubs.acs.org/doi/10.1021/acs.langmuir.5b03548 was presented on the Langmuir Cover of issue 48, volume 31 (December 8, 2015) http://pubs.acs.org/toc/langd5/31/48
5. KOGEJ, Ksenija. Thermodynamic analysis of the conformational transition in aqueous solutions of isotactic and atactic poly(methacrylic acid) and the hydrophobic effect. Polymers, 2016, 8, 1-19 (art. no. 168).
6. BOŽIČ, Darja, SITAR, Simona, JUNKAR, Ita, ŠTUKELJ, Roman, PAJNIČ, Manca, ŽAGAR, Ema, KRALJ-IGLIČ, Veronika, KOGEJ, Ksenija. Viscosity of plasma as a key factor in assessment of extracellular vesicles by light scattering. Cells, 2019, 8, 1-21; doi: 10.3390/cells8091046.
7. HRIBERŠEK, Patricija, KOGEJ, Ksenija. Effect of multivalent cations on intermolecular association of isotactic and atactic poly(methacrylic acid) chains in aqueous solutions. Polymers, 2019, 11, 1-18; doi: 10.3390/polym11040605.
8. HRIBERŠEK, Patricija, KOGEJ, Ksenija. Tacticity and counterion modulated temperature response of weak polyelectrolytes: the case of poly(methacrylic acid) stereoisomers in aqueous solutions. Macromolecules, 2019; doi: 10.1021/acs.macromol.9b01467.

For complete bibliography see:

- http://www.sicris.si/search/rsr.aspx?lang=eng&id=5186 and
- http://splet02.izum.si/cobiss/bibliography?code=04614&langbib=eng&formatbib=1&format=7 and
- ORCID iD.

Review Articles
1. KOGEJ, Ksenija. Association and structure formation in oppositely charged polyelectrolyte-surfactant mixtures. Adv. Colloid Interf. Sci. 2010, 158, 68-83.
2. STEWART, Beverly, KOGEJ, Ksenija, RAMOS, M. L., VALENTE, Artur J. M., BURROWS, Hugh. Binding of divalent and higher valent metal ions to surfactants and polyelectrolytes. Current opinion in colloid & interface science, 2017, 32, 76-83.