Results 1 to 10 of about 1,132 (96)

Fabrication of anisotropic magnetic helical microswimmers utilizing Spirulina platensis templates and their integration with Janus PCL/Chitosan nanoparticles [PDF]

open access: yesScientific Reports
Magnetically-actuated microswimmers are promising candidates for controlled cargo transport and microscale manipulation; however, achieving efficient, fuel-free propulsion with precisely defined anisotropic structures remains a significant fabrication ...
Mahdieh Jahani   +2 more
doaj   +2 more sources

Learning to Navigate in Chemical Fields Without A Map at Low Reynolds Numbers [PDF]

open access: yesAdvanced Science
Effective navigation of microswimmers relies on their ability to search for unknown target locations using limited information provided by local environmental cues.
Yangzhe Liu   +2 more
doaj   +2 more sources

Surface motion dynamics and swimming control of planar magnetic microswimmers [PDF]

open access: yesScientific Reports
Planar magnetic microswimmers offer substantial potential for in vivo biomedical applications, owing to their efficient mass production via photolithography.
Yasin Cagatay Duygu   +4 more
doaj   +2 more sources

One-step formation of polymorphous sperm-like microswimmers by vortex turbulence-assisted microfluidics [PDF]

open access: yesNature Communications
Microswimmers are considered promising candidates for active cargo delivery to benefit a wide spectrum of biomedical applications. Yet, big challenges still remain in designing the microswimmers with effective propelling, desirable loading and adaptive ...
Rong Tan   +3 more
doaj   +2 more sources

Stop-Flow Lithography for the Continuous Production of Degradable Hydrogel Achiral Crescent Microswimmers

open access: yesMicromachines, 2022
The small size of robotic microswimmers makes them suitable for performing biomedical tasks in tiny, enclosed spaces. Considering the effects of potentially long-term retention of microswimmers in biological tissues and the environment, the degradability
Junfeng Xiong   +7 more
doaj   +1 more source

Magnetically-actuated hydrogel-based achiral planar microswimmers for SERS detection: In situ coprecipitation for continuous loading of iron oxide nanoparticles

open access: yesFrontiers in Bioengineering and Biotechnology, 2023
Ultraviolet lithography is a very promising technology used for the batch fabrication of biomedical microswimmers. However, creating microswimmers that can swim at low Reynolds number using biocompatible materials while retaining strong magnetic ...
Junfeng Xiong   +8 more
doaj   +1 more source

Improving Swimming Performance of Photolithography-Based Microswimmers Using Curvature Structures

open access: yesMicromachines, 2022
The emergence of robotic microswimmers and their huge potential in biomedical applications such as drug delivery, non-invasive surgery, and bio-sensing facilitates studies to improve their effectiveness.
Liyuan Tan   +4 more
doaj   +1 more source

Preformation Characterization of a Torque-Driven Magnetic Microswimmer With Multi-Segment Structure

open access: yesIEEE Access, 2021
Magnetically powered microswimmers exhibit various advantages in practical applications, including simplified propulsion mechanism of nonreciprocal motion in a low Reynolds (Re) number environment, high flexibility, and high efficiency.
Liuxi Xing   +4 more
doaj   +1 more source

Challenges and attempts to make intelligent microswimmers

open access: yesFrontiers in Physics, 2023
The study of microswimmers’ behavior, including their self-propulsion, interactions with the environment, and collective phenomena, has received significant attention over the past few decades due to its importance for various biological and medical ...
Chaojie Mo   +3 more
doaj   +1 more source

Propulsion of magnetically actuated achiral planar microswimmers in Newtonian and non-Newtonian fluids

open access: yesScientific Reports, 2021
Magnetic achiral planar microswimmers can be massively fabricated at low cost and are envisioned to be useful for in vivo biomedical applications. To understand locomotion in representative in vivo environments, we investigated the swimming performance ...
Zhi Chen   +6 more
doaj   +1 more source

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