Results 81 to 90 of about 5,206 (163)

Synthetic Chemotaxis and Collective Behavior in Active Matter

open access: yes, 2018
Conspectus: The ability to navigate in chemical gradients, called chemotaxis, is crucial for the survival of microorganisms. It allows them to find food and to escape from toxins.
Benno Liebchen   +3 more
core   +1 more source

Micro/nanorobots for detecting and eliminating biological and chemical warfare agents

open access: yesBMEMat, Volume 4, Issue 1, March 2026.
Fuel‐powered and field‐driven micro/nanorobots provide a cutting‐edge platform to safeguard national security and defense. This review reports the latest research progress in micro/nanorobots in sensing and detoxifying biological and chemical warfare agents.
Song Li   +4 more
wiley   +1 more source

Clustering of microswimmers: Interplay of shape and hydrodynamics

open access: yes, 2018
The spatiotemporal dynamics in systems of active self-propelled particles is controlled by the propulsion mechanism in combination with various direct interactions, such as steric repulsion, hydrodynamics, and chemical fields.
Gompper, Gerhard   +4 more
core   +1 more source

Intratumoral bacteria engineered for tumor therapy

open access: yesInterdisciplinary Medicine, Volume 4, Issue 2, March 2026.
This article comprehensively reviews engineered intratumoral bacteria used in tumor therapy. The concept development, characteristics, and engineering methods of intratumoral bacteria are summarized. The mechanisms and the translational significance by which engineered intratumoral bacteria interfere with tumor progression are discussed and highlighted.
Huajie Zhang   +7 more
wiley   +1 more source

Hydrodynamic simulations of self-phoretic microswimmers

open access: yes, 2014
A mesoscopic hydrodynamic model to simulate synthetic self-propelled Janus particles which is thermophoretically or diffusiophoretically driven is here developed.
Ripoll, Marisol   +2 more
core   +1 more source

Controlling the Collective Transport of Large Passive Particles With Suspensions of Microorganisms

open access: yesSmall, Volume 22, Issue 18, 25 March 2026.
Directional light stimuli induce the accumulation of microalgae in suspensions of Chlamydomonas reinhardtii. This accumulation triggers large scale bioconvection rolls capable of macroscale transport. Exploiting these bioconvective flows enables to collectively transport of hundreds of large passive particles, paving the way for future applications in ...
Taha Laroussi   +4 more
wiley   +1 more source

Taming polar active matter with moving substrates: directed transport and counterpropagating macrobands

open access: yesNew Journal of Physics, 2019
Following the goal of using active particles as targeted cargo carriers aimed, for example, to deliver drugs towards cancer cells, the quest for the control of individual active particles with external fields is among the most explored topics in active ...
Alexandra Zampetaki   +3 more
doaj   +1 more source

Physical Intelligence in Small‐Scale Robots and Machines

open access: yesAdvanced Materials, Volume 38, Issue 12, 25 February 2026.
“Physical intelligence” (PI) empowers biological organisms and artificial machines, especially at the small scales, to perceive, adapt, and even reshape their complex, dynamic, and unstructured operation environments. This review summarizes recent milestones and future directions of PI in small‐scale robots and machines.
Huyue Chen, Metin Sitti
wiley   +1 more source

Adaptive locomotion of artificial microswimmers

open access: yes, 2019
Bacteria can exploit mechanics to display remarkable plasticity in response to locally changing physical and chemical conditions. Compliant structures play a striking role in their taxis behavior, specifically for navigation inside complex and structured
Chao, Qianwen   +6 more
core   +1 more source

Hydrophobicity Influence on Swimming Performance of Magnetically Driven Miniature Helical Swimmers

open access: yesMicromachines, 2019
Helical microswimmers have been involved in a wide variety of applications, ranging from in vivo tasks such as targeted drug delivery to in vitro tasks such as transporting micro objects.
Chengwei Ye   +6 more
doaj   +1 more source

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