Results 171 to 180 of about 1,542,214 (211)

Unlocking miniature brilliance: micro/nanorobots for advanced dental theranostics. [PDF]

J Nanobiotechnology
Xia Y, Li S, He L, Chen Z, Ma Y, Chen Y.
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Dynamic Modeling of Magnetic Helical Microrobots

IEEE Robotics and Automation Letters, 2022
Magnetic helical microrobots that can be driven by low-strength rotating magnetic fields have found wide applications, particularly in biomedical research. The motion dynamics of magnetic helical microrobots is critical for their intelligent control and for performing different tasks in complex environments.
Xiaopu Wang, Bradley Nelson, Chengzhi Hu   +2 more
exaly   +4 more sources

Magnetic microrobots with addressable shape control

2016 IEEE International Conference on Robotics and Automation (ICRA), 2016
Shape shifting soft microrobots are generated from self-folding hydrogel bilayer structures. The folding conditions are analyzed to develop an optimal strategy for producing desired three-dimensional shapes. We present two different methods for programming magnetization in these microrobots that are variant and invariant to folding. The microrobots can
Hen-Wei Huang, Mahmut Selman Sakar, Katharina Riederer, Naveen Shamsudhin, Andrew J. Petruska, Salvador Pané, Bradley J. Nelson   +6 more
openaire   +4 more sources

Sperm-templated magnetic microrobots [PDF]

2019 International Conference on Manipulation, Automation and Robotics at Small Scales (MARSS), 2019
Spermatozoa are efficient microswimmers which perform a bending wave motion for their forward propulsion. By binding positively charged iron oxide microparticles to the surface of negatively charged bull spermatozoa, we fabricate sperm-templated biohybrid magnetic microrobots.
Magdanz, Veronika, Gebauer, Johannes, Mahdy, Dalia, Simmchen, Juliane, Khalil, Islam S.M.   +4 more
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Amoeba‐Inspired Magnetic Venom Microrobots

Small, 2023
AbstractNature provides a successful evolutionary direction for single‐celled organisms to solve complex problems and complete survival tasks – pseudopodium. Amoeba, a unicellular protozoan, can produce temporary pseudopods in any direction by controlling the directional flow of protoplasm to perform important life activities such as environmental ...
Weiwei Zhang, Yuguo Deng, Jinhao Zhao, Tao Zhang, Xiang Zhang, Wenping Song, Lin Wang, Tianlong Li   +7 more
openaire   +2 more sources

Photothermal-Responsive Shape-Memory Magnetic Helical Microrobots with Programmable Addressable Shape Changes

ACS Applied Materials & Interfaces, 2023
Faced with complex and diverse tasks, researchers seek to introduce stimuli-responsive materials into the field of microrobots. Magnetic helical microrobots based on shape-memory polymers demonstrate excellent locomotion capability and programmable shape
Weibin Rong, Fu Zhao
exaly   +2 more sources

MAGNETIC-DRIVEN SWIMMING MICROROBOTS

Proceedings of the 14th International Workshop on Structural Health Monitoring, 2023
A magnetic object subject to an external rotating magnetic field would be rotated due to the alignment tendency between its internal magnetization and the field. Based on this principle, 12 shapes of swimming microrobots around 1mm long were designed and 3Dprinted using biodegradable materials Poly (ethylene glycol) diacrylate (PEDGA).
JINGFAN CHEN, HANWEN HU, YA WANG
openaire   +1 more source

Magnetically-guided in-situ microrobot fabrication

2016 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2016
Mobile microrobots are typically fabricated in a multi-step microfabrication process and then transported into an enclosed workspace for operation. This paper presents a new, 3D printing inspired method for in-situ fabrication of mobile magnetic microrobots with complex topology from a polymer filament on demand directly inside an enclosed operational ...
Zhe Li, Omid Youssefi, Eric D. Diller
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Magmites - wireless resonant magnetic microrobots

2008 IEEE International Conference on Robotics and Automation, 2008
Primary challenges in the building of untethered sub-millimeter sized robots include power supply, propulsion methods, and control. We present a novel type of microrobot termed Magmite that utilizes a new class of wireless magnetic actuator which accomplishes all three tasks.
Dominic R. Frutiger, Bradley Kratochvil, Karl Vollmers, Bradley J. Nelson   +3 more
openaire   +1 more source

Floating magnetic microrobots for fiber functionalization

Science Robotics, 2019
Pairs of magnetic microrobots accurately transfer floating microelectronic circuits to the tips of optical fibers.
Antoine Barbot, Haijie Tan, Maura Power, Florent Seichepine, Guang-Zhong Yang   +4 more
openaire   +3 more sources