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Copyright: UCT Prague 2017
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Welcome to Droplet Laboratory website!

The Droplet Laboratory was established by Jitka Čejková in 2017 as part of the Chemical Robotics Laboratory at Chemical Engineering Department (University of Chemistry and Technology Prague). Our research is focused on droplets, namely on life-like decanol droplets behavior and liquid marbles. Find out more about our research interests.

Want to join us?

We are always looking for motivated students at all levels – from 1st year undergraduate to PhD’s – to join our lab! Interested candidates, please apply directly to Jitka Čejková.

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Funding:

Czech Science Foundation

Project Registration No.

17-21696Y

Abstract:

Pattern formation in far from equilibrium systems is observed in several disciplines including biology and reaction-diffusion chemistry, comprising both living and non-living systems. We aim to study such non-equilibrium dynamics of a novel system based on a 1-decanol droplet placed in a solution of alkaline decanoate. Recently, we have found that when the system is open to the environment and the evaporation of water from decanoate solution occurs we observe dramatic morphological changes of the decanol droplet. Moreover in the presence of sodium chloride it shows a novel type of pattern formation, namely the formation of long tentacular structures that we aim to analyse within present project at both the macroscopic and microscopic scale across a large range of initial conditions.  Such reproducible morphological changes in simple droplets open a path for exploration of shape-based effects in larger scale pattern formation studies.

Start date:

2017-01-01

End date:

2019-12-31

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Head of the Droplet Laboratory

cejkova (ořez 215*215px)

Doc. Ing. Jitka Čejková, Ph.D.

Students 

 ◳ laura (png) → (ořez 215*215px)

Laura Bábanová

  • Master student

 ◳ nina (png) → (ořez 215*215px)

Nina Nováková

  • Master student
  • Bachelor thesis (2022): Experimental study of the myelin figures growth

 ◳ eliska (png) → (ořez 215*215px)

Eliška Paulíková

  • Master student
  • Bachelor thesis (2023): Study of translational and rotational motions of self-propelled chemical objects

 ◳ simona (png) → (ořez 215*215px)

Simona Staňová

  • Bachelor student
 ◳ vaculik (png) → (ořez 215*215px)

Jakub Vaculík

  • Master student
  • Bachelor thesis (2019): Experimental study of the effect of system composition on artificial chemotaxis of droplets

Alumni

 andoni (ořez 215*215px)

Andoni Aguirre

  • IAESTE student (Fall 2017)

 ◳ augustionova (png) → (ořez 215*215px)

Adriana Augustínová

  • Bachelor thesis (2023): The controlled growth of chemical gardens from mixed liquid and solid seeds

 ◳ blahusek (png) → (ořez 215*215px)

Vojtěch Blahušek

  • Bachelor thesis (2022): Experimental study of mechanical properties of liquid marbles
linda (ořez 215*215px)

Linda Bondorf

  • IAESTE student (Fall 2018)
baris (ořez 215*215px)

Barış Çınar

  • Erasmus student (Winter 2018)
 ◳ cioban (png) → (ořez 215*215px)

Ecaterina Laura Cioban

  • Erasmus student (Summer 2022)
 ◳ aygun (png) → (ořez 215*215px)

Aygun Gasimova

  • Erasmus student (Summer 2023)
  ◳ icon (gif) → (ořez 215*215px)

Radek Chmelař

  • Bachelor thesis (2019): Use of artificial neural networks for description of behaviour of system of decanol droplets in decanoate solution
megan (ořez 215*215px)

Megan Jack

  • Erasmus student (Spring 2019)
  ◳ janska (png) → (ořez 215*215px)

Petra Janská

  • Diploma thesis (2017): Synthesis and characterization of oil liquid marbles
  • Bachelor thesis (2014): Investigation of biologically triggered break-up of microparticles
  ◳ icon (gif) → (ořez 215*215px)

Ilgın Karakoç

  • Master student (2018)
 ◳ keller (png) → (ořez 215*215px)

Fillip Keller

  •  Bachelor thesis (2021): Self-Rotation of Decanol Droplets
maku2 (ořez 215*215px)

Markéta Kubiková

  • Master thesis (2021): Microparticles with super-hydrophobic cores for bioapplications
 ◳ mathis (png) → (ořez 215*215px)

Mathis Leemann

  • IAESTE student (Fall 2021)
 ◳ loustas (png) → (ořez 215*215px)

George Loustas

  • IAESTE student (Fall 2022)
 nikola (ořez 215*215px)

To Quyen Nguyenová 

  • Bachelor thesis (2015): Nebiologická chemotaxe - charakterizace systému dekanol-dekanoát-sůl

 ◳ theresa (png) → (ořez 215*215px)

Theresa Noske

  • IAESTE student (Fall 2023)
matej (ořez 215*215px)

Matěj Novák

  • Bachelor thesis (2014): Investigation of non-biological chemotaxis
 ◳ ioannis (jpg) → (ořez 215*215px)

Ioannis Pantazos

  • IAESTE student (Fall 2021)
 ondra (ořez 215*215px)

Ondřej Rychecký

  • Master thesis (2016): Cultivation of Spheroids in Liquid Marbles
adam (ořez 215*215px)

Adam Sikorják

  • Highschool student (Fall 2018)
 sara (ořez 215*215px)

Sara Patricia Ferreira Da Silva

  • Erasmus student (Fall 2016)
jana (ořez 215*215px)

Jana Steinhauserová

  • Master student (2019)
dominik (ořez 215*215px)

Dominik Švára

  • Master thesis (2018): Experimental study of decanol droplets pattern formation in electric field
  • Bachelor thesis (2016): Experimental study of decanol droplets pattern formation
 ◳ dorota (png) → (ořez 215*215px)

Dorota Marie Walecka

  • IAESTE student (Summer 2023)

Collaborators

 taisuke (ořez 215*215px)

Taisuke Banno

  • Department of Applied Chemistry, Keio University, Yokohama, Japan
martin (ořez 215*215px)

Martin M. Hanczyc

  • Laboratory for Artificial Biology, Centre for Integrative Biology (CIBIO), University of Trento, Trento, Italy
 takashi (ořez 215*215px)

Takashi Ikegami

  • Department of General Systems Studies, University of Tokyo, Japan
  ◳ icon (gif) → (ořez 215*215px)

Karin Schwarzenberger

  • TU Dresden
 kasper (ořez 215*215px)

Kasper Stoy

  • ITU Copenhagen, Denmark
ferry (ořez 215*215px)

František Štěpánek

  • Head of the Chemical Robotics Laboratory
  • UCT Prague
 shinpei (ořez 215*215px)

Shinpei Tanaka

  • Graduate School of Integrated Arts and Sciences, Hiroshima University, Japan

*alphabetical order in all lists

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ROBOT100.cz

ROBOT 100

On the occasion of 100th anniversary of the word "robot", I published the book ROBOT 100 and organized a conference on artificial life ALIFE 2021 in Prague

cbrio (šířka 450px)

Chemobrionics

COST Action where we are involved in

chemaliforms (šířka 215px)

CHEMALIFORMS

Workshop at ALIFE 2019 Newcastle (UK) 29 Jul 2019 organized by Jitka Čejková, Richard Löffler and Geoff Cooper

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Publications

Book Chapters

Proceedings

(selected from over 40 papers)

  • Čejková J., Robots: The century past and the century ahead, an Introduction to the 2021 ALIFE conference, Artificial Life Conference Proceedings, MIT Press, 2021.
  • Čejková J., Ikegami T., Experimental study of mutual interactions of multiple liquid droplets, Proceedings of the 2nd International Symposium on Swarm Behavior and Bio-Inspired Robotics, Kyoto (Japan), 31. 10. -1. 11. 2017, pp. 274-278 (2017).
  • Čejková J., Ikegami T., Štěpánek F., Life-like swarm behavior of multiple chemotactic droplets, Proceedings of the European Conference on Artificial Life 2017, Lyon (France), 4. – 9. 9. 2017, MIT Press, pp. 91-95 (2017).
  • Čejková J., Haufová P., Gorný D., Štěpánek F.: “Artificial spores” – hybrid alginate microcapsules with encapsulated yeast cells, Proceedings of the Twelfth European Conference on the Synthesis and Simulation of Living Systems, Taormina (Italy), 2. -6. 9. 2013, MIT Press, pp. 818-823 (2013).
  • Čejková J., Štěpánek F.: Chobotix 2012: book of proceedings, Institute of Chemical Technology Prague, 2012, ISBN 978-80-7080-813-9 (editor).
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DATA


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Head of the Droplet Laboratory

cejkova (ořez 215*215px)

Doc. Ing. Jitka Čejková, Ph.D.

Students 

 ◳ laura (png) → (ořez 215*215px)

Laura Bábanová

  • Master student

 ◳ nina (png) → (ořez 215*215px)

Nina Nováková

  • Master student
  • Bachelor thesis (2022): Experimental study of the myelin figures growth

 ◳ eliska (png) → (ořez 215*215px)

Eliška Paulíková

  • Master student
  • Bachelor thesis (2023): Study of translational and rotational motions of self-propelled chemical objects

 ◳ simona (png) → (ořez 215*215px)

Simona Staňová

  • Bachelor student
 ◳ vaculik (png) → (ořez 215*215px)

Jakub Vaculík

  • Master student
  • Bachelor thesis (2019): Experimental study of the effect of system composition on artificial chemotaxis of droplets

Alumni

 andoni (ořez 215*215px)

Andoni Aguirre

  • IAESTE student (Fall 2017)

 ◳ augustionova (png) → (ořez 215*215px)

Adriana Augustínová

  • Bachelor thesis (2023): The controlled growth of chemical gardens from mixed liquid and solid seeds

 ◳ blahusek (png) → (ořez 215*215px)

Vojtěch Blahušek

  • Bachelor thesis (2022): Experimental study of mechanical properties of liquid marbles
linda (ořez 215*215px)

Linda Bondorf

  • IAESTE student (Fall 2018)
baris (ořez 215*215px)

Barış Çınar

  • Erasmus student (Winter 2018)
 ◳ cioban (png) → (ořez 215*215px)

Ecaterina Laura Cioban

  • Erasmus student (Summer 2022)
 ◳ aygun (png) → (ořez 215*215px)

Aygun Gasimova

  • Erasmus student (Summer 2023)
  ◳ icon (gif) → (ořez 215*215px)

Radek Chmelař

  • Bachelor thesis (2019): Use of artificial neural networks for description of behaviour of system of decanol droplets in decanoate solution
megan (ořez 215*215px)

Megan Jack

  • Erasmus student (Spring 2019)
  ◳ janska (png) → (ořez 215*215px)

Petra Janská

  • Diploma thesis (2017): Synthesis and characterization of oil liquid marbles
  • Bachelor thesis (2014): Investigation of biologically triggered break-up of microparticles
  ◳ icon (gif) → (ořez 215*215px)

Ilgın Karakoç

  • Master student (2018)
 ◳ keller (png) → (ořez 215*215px)

Fillip Keller

  •  Bachelor thesis (2021): Self-Rotation of Decanol Droplets
maku2 (ořez 215*215px)

Markéta Kubiková

  • Master thesis (2021): Microparticles with super-hydrophobic cores for bioapplications
 ◳ mathis (png) → (ořez 215*215px)

Mathis Leemann

  • IAESTE student (Fall 2021)
 ◳ loustas (png) → (ořez 215*215px)

George Loustas

  • IAESTE student (Fall 2022)
 nikola (ořez 215*215px)

To Quyen Nguyenová 

  • Bachelor thesis (2015): Nebiologická chemotaxe - charakterizace systému dekanol-dekanoát-sůl

 ◳ theresa (png) → (ořez 215*215px)

Theresa Noske

  • IAESTE student (Fall 2023)
matej (ořez 215*215px)

Matěj Novák

  • Bachelor thesis (2014): Investigation of non-biological chemotaxis
 ◳ ioannis (jpg) → (ořez 215*215px)

Ioannis Pantazos

  • IAESTE student (Fall 2021)
 ondra (ořez 215*215px)

Ondřej Rychecký

  • Master thesis (2016): Cultivation of Spheroids in Liquid Marbles
adam (ořez 215*215px)

Adam Sikorják

  • Highschool student (Fall 2018)
 sara (ořez 215*215px)

Sara Patricia Ferreira Da Silva

  • Erasmus student (Fall 2016)
jana (ořez 215*215px)

Jana Steinhauserová

  • Master student (2019)
dominik (ořez 215*215px)

Dominik Švára

  • Master thesis (2018): Experimental study of decanol droplets pattern formation in electric field
  • Bachelor thesis (2016): Experimental study of decanol droplets pattern formation
 ◳ dorota (png) → (ořez 215*215px)

Dorota Marie Walecka

  • IAESTE student (Summer 2023)

Collaborators

 taisuke (ořez 215*215px)

Taisuke Banno

  • Department of Applied Chemistry, Keio University, Yokohama, Japan
martin (ořez 215*215px)

Martin M. Hanczyc

  • Laboratory for Artificial Biology, Centre for Integrative Biology (CIBIO), University of Trento, Trento, Italy
 takashi (ořez 215*215px)

Takashi Ikegami

  • Department of General Systems Studies, University of Tokyo, Japan
  ◳ icon (gif) → (ořez 215*215px)

Karin Schwarzenberger

  • TU Dresden
 kasper (ořez 215*215px)

Kasper Stoy

  • ITU Copenhagen, Denmark
ferry (ořez 215*215px)

František Štěpánek

  • Head of the Chemical Robotics Laboratory
  • UCT Prague
 shinpei (ořez 215*215px)

Shinpei Tanaka

  • Graduate School of Integrated Arts and Sciences, Hiroshima University, Japan

*alphabetical order in all lists

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 ◳ ada (jpg) → (šířka 215px)

1. 4. 2023 naletěla na aprílový vtípek své školitelky

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twitter (šířka 215px)      ◳ Mastodon_Logotype_(Simple) (png) → (šířka 215px)     LinkedIn_logo_initials (ořez 215*215px)     YouTube_logo        scholar_logo_64dp (šířka 215px)
Address:
University of Chemistry and Technology Prague
Technická 3 (room BS62)
166 28 Prague 6
Czechia

Work Experience

Education

International Experience

Achievements

  • 2022 Medal of the Faculty of Chemical Engineering
  • 2021 ISAL Distinguished Early-Career Investigator Award
  • Participation in the Czech final of the L'Oréal-UNESCO For Women in Science programme, 2020
  • 2018 ISAL Award for Outstanding Paper of 2017 in the field of Artificial Life
  • Crytur Award 2017, 1st place, for supervision of the best diploma thesis (student Petra Janská)
  • 2017 Canon Foundation Research Fellowship
  • Best Poster Award, ALIFE 2016 (4.-8.7.2016, Cancún, México)
  • Crytur Award 2016, 2nd place, for supervision of the best diploma thesis (student Ondřej Rychecký)
  • Participation in the Czech final of the L'Oréal-UNESCO For Women in Science programme, 2016
  • Rector’s Award, 2016, University of Chemistry and Technology, Prague
  • Rector’s Award, 2014, University of Chemistry and Technology, Prague
  • Best Poster Award, 1st place, The 7th Young Researchers’ Retreat (29.-31.7.2013, Kyoto, Japan), selected out of over 70 participants
  • Participation in the Czech final of FameLab 2011
  • Rhodia Award for Chemistry, 4th place (2010)
  • Best Poster Award, 1st place, World Student Conference on Particle Technology (22.-25.4.2010, Delft, Netherland), selected out of over 50 PhD students world-wide
  • Chemical Engineering section of SVK University Science Competition, 2nd place (2005)

Research Interests

  • Droplets
  • Artificial life (protocells, origin of life)
  • Unconventional robotics (liquid robots, chemical robotics)
  • System decanol/decanoate/salt
  • Non-linear dynamics and pattern formation (Dictyostelium discoideum)
  • Chemotaxis (oriented movement in concentration gradients) – biological and artificial
  • Chemobrionics (chemical gardens)
  • Cell encapsulation
  • Etymology of the word "ROBOT"

Projects

  • 2024-2028: OP JAK project  INTER MICRO "Talking microbes - understanding microbial interactions within One Health framework" (team member, webmaster)
  • 2022-2026: COST Action DYNALIFE "Information, Coding, and Biological Function: the Dynamics of Life" (management committee member for Czech Republic, WG4 leader, science communication manager, webmaster)
  • 2021-2022: Bilateral Grant  The Czech Science Foundation (GACR) / National Research Foundation of Korea: "New superhydrophobic perfluorinated nanomaterials for advanced micro- and bio-applications" (team member, principal investigator at UCT Prague – prof. Friess)
  • 2018-2023: COST Action "Chemobrionics" (management committee member for Czech Republic, WG4 leader, science communication manager, webmaster)
  • 2017-2019: Junior Research Grant from The Czech Science Foundation (GACR) “Towards the understanding of evaporation induced pattern formation of decanol droplets” (PI)
  • 2015-2018: EC project “EVOBLISS – Technological Evolution of Synergy Between Physicochemical and Living Systems” (team member, webmaster)
  • 2012-2015: EC project “MICREAGENTS – Microscale Chemically Reactive Electronic Agents” (team member, principal investigator at UCT Prague – prof. Štěpánek)
  • 2008-2013: ERC grant “CHOBOTIX – Chemical Processing by Swarm Robotics” (team member, principal investigator prof. Štěpánek)
  • 2010: student grant of UCT Prague “Experimental study of chemical robots’ behavior in model surrounding“
  • 2009: student grant of UCT Prague “Comparative studies of chemical and physical characterization of chemical robots’ bodies“
  • 2008: student grant of UCT Prague “New metal substrates suitable for analysis by Raman spectroscopy and surface plasmon resonance”
  • 2007: student grant of UCT Prague “Preparation of large-area SERS-active substrates for measurement of Raman spectral maps and testing of their surface nanostructure”

Publications

Book Chapters

Books

Editor

Proceedings

(selected from over 40 proceedings papers)

  • Čejková J., Robots: The century past and the century ahead, an Introduction to the 2021 ALIFE conference, Artificial Life Conference Proceedings, MIT Press, 2021.
  • Čejková J., Ikegami T., Štěpánek F., Life-like swarm behavior of multiple chemotactic droplets, Proceedings of the European Conference on Artificial Life 2017, Lyon (France),   – 9. 9. 2017, MIT Press, pp. 91-95 (2017).
  • Čejková J., Ikegami T., Experimental study of mutual interactions of multiple liquid droplets, Proceedings of the 2nd International Symposium on Swarm Behavior and Bio-Inspired Robotics, Kyoto (Japan), 31. 10. -1. 11. 2017, pp. 274-278 (2017).
  • Čejková J., Haufová P., Gorný D., Štěpánek F.: “Artificial spores” – hybrid alginate microcapsules with encapsulated yeast cells, Proceedings of the Twelfth European Conference on the Synthesis and Simulation of Living Systems, Taormina (Italy), 2. -6. 9. 2013, MIT Press, pp. 818-823 (2013).
  • Čejková J., Štěpánek F.: Chobotix 2012: book of proceedings, Institute of Chemical Technology Prague, 2012, ISBN 978-80-7080-813-9 (editor).

Invited Talks

  • Liquid Robots – Robots Without Sheet Metal and Wheels” Central Saint Martins University London, UK (10. 5. 2022)
  • "Liquid robots are not cells", University of Southern Denmark, Odense, Denmark (23.1.2020)
  •  Liquid robotics, Hiroshima University, Japan (15. 11. 2019)
  • Artificial life in chemical systems: droplets as liquid robots, Physical chemistry seminar, Lund University, Sweden (18.3.2019)
  • Droplets as Liquid Robots, keynote speaker at 2nd Week of Complexity Sciences at Center for Complexity Sciences of National Autonomous University of Mexico, Mexico City (31. 1. -2. 2018)
  • Droplets as Liquid Robots, Institute of Physical Chemistry, Polish Academy of Science, Warsaw (24. 11. 2017)
  • Experimental study of decanol droplets life-like behaviour, Department of Physical and Macromolecular chemistry, Charles University (11. 10. 2017)
  • Kapky jako tekutí roboti, Night of Scientists, University of Chemistry and Technology Prague (6. 10. 2017)
  • Pattern formation of decanol droplets, Keio University, Japan (31. 7. 2017)
  • Experimental study of decanol droplets life-like behaviour, Hiroshima University, Japan (11. 7. 2017)
  • Kapky jako tekutí roboti, AFO - 52. Mezinárodní festival populárně-vědeckých filmů, Olomouc (25. - 30. 4. 2017)
  • Artificial chemotaxis and pattern formation of decanol droplets in the presence of decanoate and salt, Max Planck Institute for Dynamics and Self-Organization, Göttingen, Germany (25. 2. 2016)
  • Unconventional maze solving problems by using biological and artificial chemotaxis, keynote speaker at CHISA 2015, Seč u Chrudimi (9. - 12. 11. 2015)
  • “Chemo-taxi” – oil droplets for targeted cargo delivery, invited speaker at EMN Meeting on Droplets, Phuket, Thailand, (8. - 11. 5. 2015)

Teaching

  • Teaching experience at University of Chemistry and Technology (teaching in Czech and English): Biological Process Engineering, Chemical Engineering I, Chemical Engineering III, Dispersion systems, Microchemical engineering, Laboratory training in chemical engineering (unit operations), Laboratory of manufacturing of nano- and micromaterials, Laboratory of characterization of nano- and microsystems, Chemical Industry and the Environment, Chemical engineering projects
  • Teaching experience at University of Trento: Biochemistry lab courses
  • Supervision of bachelor and master students
  • Supervision of international exchange students (Erasmus, IAESTE)
  • Supervision of high-school students

Professional Membership

Organisation of Scientific Meetings

Science Popularization and Other Activities

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Jitka Čejková

b
Department of Chemical Engineering
University of Chemistry and Technology, Prague
Technická 3
166 28 Prague
Czechia

(see map)

e
+420 220 444460


jitka.cejkova@vscht.cz

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We are always looking for motivated students at all levels – from 1st year undergraduate to PhD’s – to join our lab! Interested candidates, please apply directly to Jitka Čejková.

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Vzdělání

  • 2023 – nyní: Vysoká škola chemicko-technologická v Praze, obor Senzorika a kybernetika v chemii – 1. ročník navazujícího magisterského studia
  • 2020 – 2023: Vysoká škola chemicko-technologická v Praze, obor Chemické inženýrství a bioinženýrství – zakončené titulem bakalář v roce 2023
  • 2016 – 2020: Biskupské gymnázium J.N.Neumanna, zakončeno maturitní zkouškou v roce 2020

Pracovní zkušenosti – letní brigády

  • 2019 – nyní: Státní hrad a zámek Jindřichův Hradec (průvodce, zodpovědnost za skupinu lidí, předávání informací, organizace)
  • 2017 – 2019: Jindřichohradecké místní dráhy a.s. (průvodce vozů na parním vlaku, práce s lidmi, organizační schopnosti, zodpovědnost za svěřený úsek)

Úspěchy

  • 2023 - SSCHE 2023, Best poster award
  • 2022 - Studentská vědecká konference na VŠCHT Praha - 1. místo v sekci Aplikovaná informatika a kybernetika

Projekty

 ◳ eliska ssche (jpg) → (šířka 215px)  ◳ eliska (jpg) → (šířka 215px)

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Lenka Honetschlägerová is Assistant Professor in the Department of Environmental Chemistry, University of Chemistry and Technology, Prague. Since her first research topic, she has been working with nanoparticles. At the beginning she focused on the stability of iron nanoparticles in aqueous media and ways of coating, followed by the study of nanoparticles transport in porous matrix and their interactions with specific microorganisms. Her international experience includes half a year master stay at KTH Royal Institute of Technology, Stockholm (Sweden). She participates in International Master of Science in Environmental Technology and Engineering (IMETE) programme as lecturer and supervisor of master thesis. IMETE is based on the collaboration of 3 universities Ghent University (Gent, Belgium), UNESCO-IHE Institute for Water Education (Delft, The Netherlands), and University of Chemistry and Technology, Prague (Prague, Czech Republic). She is teaching in courses of Contaminated Soil Treatment (Erasmus students), Information Systems in Waste Management (Master programme), Fundamentals of Toxicology and Ecology (Bachelor programme), Waste Management and Treatment (IMETE programme).

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Contact

Jitka Čejková

b
Department of Chemical Engineering
University of Chemistry and Technology, Prague
Technická 3
166 28 Prague
Czechia

(see map)

e
+420 220 444460


jitka.cejkova@vscht.cz

×

Want to join us?

We are always looking for motivated students at all levels – from 1st year undergraduate to PhD’s – to join our lab! Interested candidates, please apply directly to Jitka Čejková.

×


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