Results 171 to 180 of about 7,440 (224)
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Micromotors with built-in compasses
Chemical Communications, 2012We demonstrate here that iron containing rolled-up microtubular engines can be magnetized and act as compass needles - they sense the direction of an external magnetic field from afar and align the directionalities of their movements according to the external field, in a similar fashion to magnetotactic bacteria.
Schmidt, Oliver G. +3 more
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Micromotors for “Chemistry-on-the-Fly”
Journal of the American Chemical Society, 2018This perspective reviews mobile micro/nanomotor scaffolds for performing "chemistry-on-the-fly". Synthetic nano/micromotors offer great versatility and distinct advantages in diverse chemical applications owing to their efficient propulsion and facile surface functionalization that allow these mobile platforms to move and disperse reactive materials ...
Emil Karshalev +2 more
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Accounts of Chemical Research, 2018
In the past decade, versatile micro- and nanosized machines have emerged as active agents for large-scale detoxification, sensing, microfabrication, and many other promising applications. Micromachines have also been envisioned as the next advancement in dynamic therapy with numerous proof-of-concept studies in drug delivery, microsurgery, and ...
Berta Esteban-Fernández de Ávila +4 more
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In the past decade, versatile micro- and nanosized machines have emerged as active agents for large-scale detoxification, sensing, microfabrication, and many other promising applications. Micromachines have also been envisioned as the next advancement in dynamic therapy with numerous proof-of-concept studies in drug delivery, microsurgery, and ...
Berta Esteban-Fernández de Ávila +4 more
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Micromotors from Microfluidics
Chemistry – An Asian Journal, 2019AbstractInspired by the motions of natural objects, attention and efforts have been paid and devoted to fabricate micromotors of spherical, tubular, helical or other shapes for applications in emerging fields including delivery, remediation, and other biomedical applications. Among the proposed methods, the microfluidic technology offers an opportunity
Yunru Yu +4 more
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Micromotors Powered by Enzyme Catalysis
Nano Letters, 2015Active biocompatible systems are of great current interest for their possible applications in drug or antidote delivery at specific locations. Herein, we report the synthesis and study of self-propelled microparticles powered by enzymatic reactions and their directed movement in substrate concentration gradient.
Dey, K. +6 more
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Graphdiyne Micromotors in Living Biomedia
Chemistry – A European Journal, 2020AbstractGraphdiyne (GDY), a new kind of two‐dimensional (2D) material, was combined with micromotor technology for “on‐the‐fly” operations in complex biomedia. Microtubular structures were prepared by template deposition on membrane templates, resulting in functional structures rich in sp and sp2 carbons with highly conjugated π networks. This resulted
Kaisong Yuan +4 more
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1995 IEEE TENCON. IEEE Region 10 International Conference on Microelectronics and VLSI. 'Asia-Pacific Microelectronics 2000'. Proceedings, 2002
The general development of electrostatic and magnetostatic micromotors is discussed. Electrostatic micromotors already have many useful applications and will continue to flourish. On the other hand, magnetostatic micromotors are emerging as fabrication technologies are developing.
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The general development of electrostatic and magnetostatic micromotors is discussed. Electrostatic micromotors already have many useful applications and will continue to flourish. On the other hand, magnetostatic micromotors are emerging as fabrication technologies are developing.
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Enzymatic Janus Liposome Micromotors
Langmuir, 2023A liposome-based micromotor system that utilizes regional enzymatic conversion and gas generation to achieve directional motion in water is presented. Constituted mainly of a low-melting lipid and a high-melting lipid together with cholesterol, these liposomes maintain stable Janus configuration at room temperature as a result of lipid liquid-liquid ...
Hui Jin, Jinyan Cui, Wei Zhan
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Micromanipulators actuated by micromotors
Proceedings of the 41st IEEE Conference on Decision and Control, 2002., 2004The paper studied micromanipulators actuated by permanent-magnet stepper micromotors. Design concepts to synthesize the bounded control algorithms for micromotors in order to attain the desired performance level (accuracy, robustness, settling time, etc.) are introduced.
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Engineering Micromotors with Droplet Microfluidics
ACS Nano, 2019Micromotors have promising potential in applications ranging from environmental remediation to targeted drug delivery and noninvasive microsurgery. However, there are inadequacies in the fabrication of artificial micromotors to improve the design of structure and composition for motion performance and multifunctionality. Here, we present a microfluidic
Chunmei Zhou +4 more
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