Jaakko Timonen

Assistant Professor
Assistant Professor
T304 Dept. Applied Physics

I'm an assistant professor of experimental condensed matter physics, research group leader (Active Matter) and Academy Research Fellow 2018-2023. I'm broadly interested in physics of soft and biological materials. Some examples include pattern formation in ferrofluids, lotus-mimicking superhydrophobic surfaces, magnetic tweezing of 'non-magnetic' matter, coloration of a certain spider from Madagascar and fundamentals of slippery lubricated surfaces. Currently, my Academy Research Fellowship focuses on developing techniques for controlling phase transitions in microscopic active matter systems.

Full researcher profile


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114 Fysiikka, Biologinen ja pehmeän aineen fysiikka


Doctoral thesis award

Doctoral thesis award, Academic Engineers and Architects in Finland TEK and Tekniska Föreningen i Finland (TFiF), 7,500 € (2014)
Palkinto tai huomionosoitus tuotoksesta Teknillisen fysiikan laitos Jan 2014

Distinction prize for doctoral thesis, Aalto University

Distinction prize for doctoral thesis, Aalto University, 3,000 € (2013)
Palkinto tai huomionosoitus tuotoksesta Teknillisen fysiikan laitos Jan 2013

Distinction prize for master’s thesis, Helsinki University of Technology

Distinction prize for master’s thesis, Helsinki University of Technology, 1,000 € (2009)
Palkinto tai huomionosoitus tuotoksesta Teknillisen fysiikan laitos Jan 2009


  • Active Matter, Apulaisprofessori


Compressibility and porosity modulate the mechanical properties of giant gas vesicles

Hedar H. Al-Terke, Grégory Beaune, Muhammad Junaid, Jani Seitsonen, Arja Paananen, Jaakko V.I. Timonen, Jussi Joensuu, Françoise Brochard-Wyart, Robin H.A. Ras 2023 Proceedings of the National Academy of Sciences of the United States of America

Ferrofluidic Manipulator : Theoretical Model for Single-Particle Velocity

Zoran M. Cenev, Ville Havu, Jaakko V.I. Timonen, Quan Zhou 2023 IEEE/ASME Transactions on Mechatronics

Probing surface wetting across multiple force, length and time scales

Dan Daniel, Maja Vuckovac, Matilda Backholm, Mika Latikka, Rahul Karyappa, Xue Qi Koh, Jaakko V.I. Timonen, Nikodem Tomczak, Robin H.A. Ras 2023 Communications Physics

In-situ Monitoring of Photocontrollable Wrinkle Erasure in Azobenzene-based Supramolecular Systems

Yujiao Dong, Pedro E.S. Silva, Jaakko V.I. Timonen, Jaana Vapaavuori 2023 ChemPhysChem

Magnetic Quincke rollers with tunable single-particle dynamics and collective states

Ricardo Reyes Garza, Nikos Kyriakopoulos, Zoran M. Cenev, Carlo Rigoni, Jaakko V.I. Timonen 2023 Science Advances

Thermodynamically controlled multiphase separation of heterogeneous liquid crystal colloids

Han Tao, Carlo Rigoni, Hailong Li, Antti Koistinen, Jaakko V.I. Timonen, Jiancheng Zhou, Eero Kontturi, Orlando J. Rojas, Guang Chu 2023 Nature Communications

Functional Magnetic Microdroplets for Antibody Extraction

Hedar H. Al-Terke, Mika Latikka, Jaakko V. I. Timonen, Ladislau Vekas, Arja Paananen, Jussi Joensuu, Robin H. A. Ras 2022 Advanced Materials Interfaces

Fusion Dynamics of Hybrid Cell–Microparticle Aggregates

Grégory Beaune, Laura Sinkkonen, David Gonzalez-Rodriguez, Jaakko V.I. Timonen, Françoise Brochard-Wyart 2022 Langmuir

Dispersing swimming microalgae in self-assembled nanocellulose suspension: Unveiling living colloid dynamics in cholesteric liquid crystals

Guang Chu, Fereshteh Sohrabi, Jaakko V.I. Timonen, Orlando J. Rojas 2022 Journal of Colloid and Interface Science

Recombinant protein condensation inside E. coli enables the development of building blocks for bioinspired materials engineering – Biomimetic spider silk protein as a case study

Bartosz Gabryelczyk, Fred-Eric Sammalisto, Julie-Anne Gandier, Jianhui Feng, Grégory Beaune, Jaakko V.I. Timonen, Markus B. Linder 2022 Materials Today Bio