Roadmap for optical tweezers

G Volpe, OM Maragò… - Journal of Physics …, 2023 - iopscience.iop.org
Optical tweezers are tools made of light that enable contactless pushing, trapping, and
manipulation of objects, ranging from atoms to space light sails. Since the pioneering work …

Evanescent field trapping and propulsion of Janus particles along optical nanofibers

G Tkachenko, VG Truong, CL Esporlas… - Nature …, 2023 - nature.com
Small composite objects, known as Janus particles, drive sustained scientific interest
primarily targeted at biomedical applications, where such objects act as micro-or nanoscale …

Optical trapping in micro-and nanoconfinement systems: Role of thermo-fluid dynamics and applications

T Tsuji, K Doi, S Kawano - Journal of Photochemistry and Photobiology C …, 2022 - Elsevier
In this mini-review, recent advances on the role of a focused laser in micro-and nanofluidic
systems is widely introduced with special interest in thermo-fluid dynamical aspects and …

Optimal active particle navigation meets machine learning (a)

M Nasiri, H Löwen, B Liebchen - Europhysics Letters, 2023 - iopscience.iop.org
The question of how “smart” active agents, like insects, microorganisms, or future colloidal
robots need to steer to optimally reach or discover a target, such as an odor source, food, or …

Optically driven Janus microengine with full orbital motion control

D Bronte Ciriza, A Callegari, MG Donato, B Çiçek… - ACS …, 2023 - ACS Publications
Microengines have shown promise for a variety of applications in nanotechnology,
microfluidics, and nanomedicine, including targeted drug delivery, microscale pumping, and …

Run-and-tumble motion of ellipsoidal microswimmers

G Anchutkin, F Cichos, V Holubec - Physical Review Research, 2024 - APS
A hallmark of bacteria is their so-called “run-and-tumble” motion and its variants, consisting
of a sequence of linear directed “runs” and distinct rotation events that constantly alternate …

Theory of light-activated catalytic Janus particles

WE Uspal - The Journal of Chemical Physics, 2019 - pubs.aip.org
We study the dynamics of active Janus particles that self-propel in solution by light-activated
catalytic decomposition of chemical “fuel.” We develop an analytical model of a photo-active …

Realization of a motility-trap for active particles

S Jahanshahi, C Lozano, B Liebchen, H Löwen… - Communications …, 2020 - nature.com
Trapping of atomic and mesoscopic particles with optical fields is a practical technique
employed in many research disciplines. Developing similar trapping methods for self …

Motility-induced shear thickening in dense colloidal suspensions

AG Bayram, FJ Schwarzendahl, H Löwen… - Soft Matter, 2023 - pubs.rsc.org
Phase transitions and collective dynamics of active colloidal suspensions are fascinating
topics in soft matter physics, particularly for out-of-equilibrium systems, which can lead to …

Thermo-osmotic slip flows around a thermophoretic microparticle characterized by optical trapping of tracers

T Tsuji, S Mei, S Taguchi - Physical Review Applied, 2023 - APS
Thermo-osmotic flow around a microparticle in a liquid is characterized by observing and
analyzing the distribution of tiny particles, ie, tracers, near the surface of the microparticle …