Customer Stories

To deep more into what the IMPETUX technology users are achieving, here we share a list of their latest publications:


March 2021

The force loading rate drives cell mechanosensing through both reinforcement and fluidization

Ion Andreu, Bryan Falcones, Sebastian Hurst, Nimesh Chahare, Xarxa Quiroga, Anabel-Lise Le Roux, Zanetta Kechagia, Amy E.M. Beedle, Alberto Elósegui-Artola, Xavier Trepat, Ramon Farré, Timo Betz, Isaac Almendros, Pere Roca-Cusachs

Prepint at : doi:

This work provides a unifying mechanism to understand how cells respond not only to directly applied forces, but also to passive mechanical stimuli such as tissue rigidity or ECM ligand distribution.

To deep into the details of this interesting work have a look at the article here.


March 2021

Stochastic force dynamics of the model microswimmer Chlamydomonas reinhardtii: Active forces and energetics

Corbyn Jones, Mauricio Gomez, Ryan M. Muoio, Alex Vidal, Anthony Mcknight, Nicholas D. Brubaker, Wylie W. Ahmed.

Phys. Rev. E 103, 032403 – Published 5 March 2021.

DOI: 10.1103/PhysRevE.103.032403

In this work, the authors use a customized optical trapping system from IMPETUX to study the stochastic force dynamics of a model microswimmer algaes (Chlamydomonas reinhardtii).  In particular, they directly measure the stochastic forces generated by the algaes using an optical trap via the photon momentum method.


January 2021

Intracellular softening and fluidification reveals a mechanical switch of cytoskeletal material contributions during division

Sebastian Hurst, Bart E. Vos, Timo Betz

BioRxiv 2021.01.07.425761;


This article is a preprint

In this work, the authors use optical tweezers to show intracellular softening, fluidification and decrease of active forces in mitosis that is mediated by a surprising role switch between microtubules and actin.

Impetux's force sensor is used to measure the cytoplasm's fluidity and stiffness changes of dividing cells.

It is the first time that the cell mechanics is characterized during mitosis from the inside


January 2021

Mechanical Stretch Inhibition Sensitizes Proprioceptors to Compressive Stresses

Ravi Das, Li-Chun Lin, Frederic Català-Castro, Nawaphat Malaiwong, Neus Sanfeliu,  Montserrat Porta-de-la-Riva, Aleksandra Pidde, Michael Krieg.

BioRxiv 2020.12.30.422571; doi:

This article is a preprint.

In this work, researchers used our SENSOCELL Optical Tweezers platform in combination with Confocal microscopy to study neuron Ca2+ dynamics during axon membrane tether extrusion experiments.


October 2020

The nucleus measures shape deformation for cellular proprioception and regulates adaptive morphodynamics

V. Venturi, F. Pezzano, F. Català-Castro, H.- M. Häkkinen, S. Jiménez-Delgado, M. Colomer-Rosell, M. Marro-Sánchez, Q. Tolosa-Ramon, S. Paz-López, M. A. Valverde, P. Loza-Alvarez, M. Krieg, S. Wieser and V. Ruprecht

SCIENCE | 16 Oct 2020: Vol. 370, Issue 6514, eaba2644. DOI: 10.1126/science.aba2644

For additional information, have a look at:

Our Customer Story.
CRG’s web page
ICFO’S web page


December 2020

In-vitro study of monocytic THP-1 leukemia cell membrane elasticity with a single-cell microfluidic-assisted optical trapping system

R. Ombid, G. Oyong, E. Cabrera, W. Espulgar, M. Saito, E. Tamiya, and R. Pobre

Biomed. Opt. Express 11, 6027-6037 (2020).

In this study, the authors used a customized optical trapping system from IMPETUX to characterize cell membrane elasticity as a new potential biomarker for leukemia cells, comparing measurements for cells treated with anti-cancer drugs and untreated cells.


May 2018

Optical Force Sensing with Cylindrical Microcontainers

R. Meissner, N. Oliver and C.Denz

Part. Part. Syst. Charact. 2018, 1800062.


Fabruary 2017

Extending calibration-free force measurements to optically-trapped rod-shaped samples

Frederic Català, Ferran Marsà, Mario Montes-Usategui, Arnau Farré and Estela Martín-Badosa 

Sci. Rep. 7, 42960; doi: 10.1038/srep42960 (2017).


July 2016

Optical tweezers for force measurements and rheological studies on biological samples

R. Bola, F. Català. M. Montes-Usategui, E. Martín-Badosa.

15th workshop on Information Optics (WIO), 2016.