Results 71 to 80 of about 698 (179)

Adaptive locomotion of artificial microswimmers [PDF]

open access: yesScience Advances, 2019
Artificial microswimmers display adaptive locomotion by autonomously morphing in response to physical changes in the environment.
Huang, Henwei   +6 more
openaire   +7 more sources

Long-Term Tracking of Free-Swimming Paramecium caudatum in Viscous Media Using a Curved Sample Chamber

open access: yesMicromachines, 2017
It is technically difficult to acquire large-field images under the complexity and cost restrictions of a diagnostic and instant field research purpose.
Mohiuddin Khan Shourav, Jung Kyung Kim
doaj   +1 more source

Habitat‐Specific Design Strategies for Untethered Soft Robots

open access: yesAdvanced Science, EarlyView.
Habitat shapes the design of untethered soft robots. Across land, water, air, and living tissues, environmental constraints govern viable combinations of compliant structures, actuation mechanisms, and energy delivery. This review connects these constraints with robotic performance and identifies design principles for advancing adaptable, durable, and ...
Siyang Li   +3 more
wiley   +1 more source

3D Closed‐Loop Navigation of Magnetic Microswimmers Using Vision‐Derived Depth Feedback

open access: yesAdvanced Intelligent Systems, EarlyView.
A planar magnetic microswimmer is navigated in three dimensions under a standard microscope. Image defocus supplies a real‐time depth cue, and model‐predictive control with A* planning steers the body on surfaces and in free swimming. Axial position is regulated by propulsion alone, without magnetic field gradients or extra cameras.
Yasin Cagatay Duygu   +2 more
wiley   +1 more source

Flagellar dynamics of chains of active Janus particles fueled by an AC electric field

open access: yesNew Journal of Physics, 2018
We study the active dynamics of self-propelled asymmetrical colloidal particles (Janus particles) fueled by an AC electric field. Both the speed and direction of the self-propulsion, and the strength of the attractive interaction between particles can be
Daiki Nishiguchi   +3 more
doaj   +1 more source

Activity-induced interactions and cooperation of artificial microswimmers in one-dimensional environments

open access: yesNature Communications, 2022
Biological microswimmers such as bacteria show collective motion that is made possible by an intricate interplay of sensing and signaling. Ketzetzi et al. reproduce this phenomenon in a catalytic system undergoing, for instance, cooperative speed-ups and
Stefania Ketzetzi   +4 more
doaj   +1 more source

From pathogen to “living drug factory” innovative strategies and clinical translation of bacteria as programmable intelligent vectors for cancer therapy

open access: yesBMEMat, EarlyView.
Engineered bacteria serve as smart, living therapeutics that target tumors, deliver drugs, and remodel immunosuppressive microenvironments. This review highlights their potential to potentiate immunotherapy, radiotherapy, and chemotherapy, offering a promising paradigm for precise and synergistic cancer treatment. Abstract The dynamic interplay between
Haonan Shen   +9 more
wiley   +1 more source

Recent Advances in Microswimmers for Biomedical Applications

open access: yesMicromachines, 2020
Microswimmers are a rapidly developing research area attracting enormous attention because of their many potential applications with high societal value.
Ada-Ioana Bunea, Rafael Taboryski
doaj   +1 more source

Spontaneous vortex formation by microswimmers with retarded attractions

open access: yesNature Communications, 2023
Time-delayed interactions involving perception, decision, and reaction, are omnipresent in the living world. Here, the delayed self-propulsion of a microswimmer toward a target gives rise to chiral orbital motion via a symmetry-breaking bifurcation ...
Xiangzun Wang   +4 more
doaj   +1 more source

Intelligent Continuum Micromachines in Complex Confined Spaces

open access: yesSmartBot, EarlyView.
The cover depicts a conceptual design for an intelligent continuum micromachine entering a target capsule used in fusion‐energy research through its slender gas‐fill tube. By combining route‐adaptive deformation, embedded sensing, and a functional end effector, the robot could inspect hidden defects, assess local conditions, and support localized ...
Huayang Sai   +7 more
wiley   +1 more source

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