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Technická 5
166 28 Prague 6 – Dejvice
IČO: 60461373 / VAT: CZ60461373
Czech Post certified digital mail code: sp4j9ch
Copyright: UCT Prague 2017
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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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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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Doc. Ing. Jitka Čejková, Ph.D. |
Students
Laura Bábanová
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Nina Nováková
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Eliška Paulíková
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Simona Staňová
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Amandine St-Hilaire
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Jakub Vaculík
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Alumni
Andoni Aguirre
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Adriana Augustínová
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Vojtěch Blahušek
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Linda Bondorf
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Barış Çınar
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Ecaterina Laura Cioban
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Aygun Gasimova
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Radek Chmelař
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Megan Jack
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Petra Janská
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Ilgın Karakoç
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Fillip Keller
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Markéta Kubiková
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Mathis Leemann
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George Loustas
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To Quyen Nguyenová
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Theresa Noske
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Matěj Novák
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Ioannis Pantazos
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Ondřej Rychecký
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Adam Sikorják
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Sara Patricia Ferreira Da Silva
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Jana Steinhauserová
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Dominik Švára
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Dorota Marie Walecka
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Collaborators
Taisuke Banno
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Martin M. Hanczyc
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Takashi Ikegami
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Karin Schwarzenberger
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Kasper Stoy
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František Štěpánek
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Shinpei Tanaka
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*alphabetical order in all lists
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ROBOT 100On 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 |
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ChemobrionicsCOST Action where we are involved in |
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CHEMALIFORMSWorkshop at ALIFE 2019 Newcastle (UK) 29 Jul 2019 organized by Jitka Čejková, Richard Löffler and Geoff Cooper |
Publications
- Cartwright J.H.E., Čejková J. et al. (2024). Information, Coding, and Biological Function: the Dynamics of Life, Artificial Life 30(1) (in press, doi: 10.1162/artl_a_00432)
- Čejková J., Holler S., Löffler R., Witkowski O. (2022). Editorial Introduction to the 2021 Conference on Artificial Life Special Issue, Artificial Life 28 (4): 397–400.
- Čejková J. (2022). O Fakultě chemicko-inženýrské, Chemické listy 116(10), 574–580.
- Čejková J., Cartwright J. H. E. (2022). Chemobrionics and Systems Chemistry, ChemSystemsChem (Guest Editorial).
- McGachy L., Heyda J., Tomas J., Čejková J. (2021). Decanol Pattern Formation over a Sessile Aqueous Decanoate Droplet, Colloids and Surfaces A: Physicochemical and Engineering Aspects 621, 126541.
- Becherová L., Prokopec V., Čejková J. (2021). Vibrational spectroscopic analysis of critical micelle concentration in sodium decanoate solutions, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 250, 119387.
- Cardoso S. S. S., Cartwright J. H. E., Čejková J., Cronin L., Wit A. D., Giannerini S., Horváth D., Rodrigues A., Russell M. J., Sainz-Díaz C. I., Tóth Á. (2020), Chemobrionics: From Self-assembled Material Architectures to the Origin of Life, Artificial Life 26(3), 315-326 (open access).
- Janská P., Rychecký O., Zadražil A., Štěpánek F., Čejková J. (2019), Liquid oil marbles: increasing the bio-availability of poorly water-soluble drugs, Journal of Pharmaceutical Sciences, 108(6), 2136-2142.
- Čejková J., Schwarzenberger K., Eckert K., Tanaka S. (2019), Dancing performance of organic droplets in aqueous surfactant solutions. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 566, 141-147.
- Čejková J., Hanczyc M.M., Štěpánek F. (2018), Multi-Armed Droplets as Shape-Changing Protocells, Artificial Life, 24 (1), 71-79.
- Čejková J., Banno T., Štěpánek F., Hanczyc M.M. (2017), Droplets as Liquid Robots, Artificial Life, 23 (4), 528-549 (open access).
- Čejková J., Rychecký O. (2017), Tekuté kuličky, Chemické listy 111, 109-114.
- Rychecký O., Majerská M., Král V., Štěpánek F., Čejková J. (2017), Spheroid cultivation of HT-29 carcinoma cell line in liquid marbles, Chemical Papers 71(6), 1055–1063.
- Čejková J., Štěpánek F., Hanczyc M. (2016), Evaporation-induced pattern formation of decanol droplets, Langmuir 32, 4800-4805.
- Čejková J., Novák M., Štěpánek F., Hanczyc M. (2014), Dynamics of chemotactic droplets in salt concentration gradients, Langmuir ,30(40), 11937–11944.
- Čejková J., Haufová P., Gorný D., Hanuš J., Štěpánek F. (2013), Biologically triggered liberation of sub-micron particles from alginate microcapsules, Journal of Materials Chemistry B 1, 5456-5461.
- Čejková J. (2013), Dictyostelium discoideum – model system not only for biologists, Chemické listy 107, 563-600.
- Čejková J., Štěpánek F. (2013), Compartmentalized and internally structured particles for drug delivery, Current Pharmaceutical Design 19(35), 6298-6314.
- Prokopec V., Kokaislová A., Čejková J., Dendisová M., Člupek M., Matějka P. (2011), Spectroscopic study of SERS- and SEIRA- activity of copper large-scaled surface substrates prepared by electrochemical deposition: what is the role of oxidation-reduction cycle treatment?, Journal of Molecular Structure 993, 410-419.
- Čejková J., Hanuš J., Štěpánek F. (2010), Investigation of internal microstructure and thermo-responsive properties of composite PNIPAM/silica microcapsules. Journal of Colloid and Interface Science 346, 352-360.
- Ševčíková H., Čejková J., Krausová L., Přibyl M., Štěpánek F., Marek M. (2010) A new traveling wave pattern of Dictyostelium in the presence of cAMP in the agar. Physica D 239, 879-888.
- Čejková J., Prokopec V., Brázdová S., Kokaislová A., Matějka P., Štěpánek F. (2009), Characterization of copper SERS-active substrates prepared by electrochemical deposition. Applied Surface Science 255, 7864-7870.
- Kokaislová A., Brázdová S., Prokopec V., Člupek M., Čejková J., Matějka P. (2009), Příprava SERS-aktivních měděných substrátů katodickou redukcí a vyhodnocení jejich struktury pomocí mikroskopie atomárních sil. Chemické listy 103, 246-250.
- Hilgardt C., Čejková J., Hauser M. J. B., Ševčíková H. (2008), Streamless aggregation of Dictyostelium in the presence of isopropylidenadenosin. Biophysical Chemistry 132, 9-17.
- Prokopec V., Čejková J., Matějka P., Hasal P. (2008), Preparation of SERS-active substrates with large surface area for Raman spectral mapping and testing of their surface nanostructure. Surface and Interface Analysis 40, 601-607.
Book Chapters
- Bassereau P., Cangelosi A., Čejková J., Gershenson C., Goldstein R., Martins Z., Physics for understanding life. In EPS Grand Challenges: Physics for Society in the Horizon 2050. IOP Publishing. S., F., Westall F. (2024).
- Čejková J., Nguyenová T.Q., Štěpánek F. “Chemotactic droplets serving as chemo-taxi”. In “Self-Organized Motion: Physiochemical Design based on Nonlinear Dynamics”, (Nakata S., Pimienta V., Lagzi I., Kitahata H., Suematsu N.J., eds.), Royal Society of Chemistry, pp. 182-203 (2019).
- Čejková J., Tóth R., Braun A., Ueyama D., Lagzi I. "Shortest path finding in mazes by active and passive particles". In „Shortest path. Parallel and distributed solvers“ (Adamatzky A., ed.), Springer, pp. 401-408 (2018).
- Čejková J., Holler S., Nguyenová T.Q., Kerrigan C., Štěpánek F., Hanczyc, M. M. “Chemotaxis and chemokinesis of living and non-living objects” In Advances in Unconventional Computing, Volume 2: Prototypes, Models and Algorithms, (Adamatzky A., ed.) Springer, pp. 245-260 (2016).
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).
DATA
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- 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
- 2023 – nyní: Sidat, projektový asistent, automatizace a řízení procesů
- 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 - Studentská vědecká konference na VŠCHT Praha - 2. místo v sekci Aplikovaná informatika a kybernetika
- 2023 - SSCHE 2023, Best poster award
- 2022 - Studentská vědecká konference na VŠCHT Praha - 1. místo v sekci Aplikovaná informatika a kybernetika
Projekty
- 2023 - nyní: Návrh a konstrukce Pellobota pro manipulaci s drobnými objekty
- 2022 -2023: Studium translačních a rotačních pohybů samohybných chemických objektů: https://github.com/paulikoe/Liquid-robots.git