158 Hits in 6.9 sec

Micro-Scale Mobile Robotics

Eric Diller
2011 Foundations and Trends in Robotics  
The field of microrobotics has seen tremendous advances  ...  micro-helix microrobot with cargo carrying cage, fabricated by direct laser writing [208] and the micro-helix microrobot with magnetic head, fabricated as thin-film and rolled using residual stress  ...  As a promising additive manufacturing process at the micro-scale, 3D micro-stereolithography has been used to create highresolution 3D shapes with features sizes of several microns out of plastic materials  ... 
doi:10.1561/2300000023 fatcat:p3zhibrfhbft3ojesygjb3wtta

System‐Engineered Miniaturized Robots: From Structure to Intelligence

Vineeth Kumar Bandari, Oliver G. Schmidt
2021 Advanced Intelligent Systems  
Magnetic micro-/ nanoparticles can be embedded in the material [219] or magnetic thin films can be coated on various polymer materials [220] for actuation with remote magnetic field gradients.  ...  buoyancy  ...  Conflict of Interest  ... 
doi:10.1002/aisy.202000284 fatcat:3xaohoacgbdjzesari5q5vro54

Modular approach to microswimming [article]

Ran Niu, Thomas Palberg
2018 arXiv   pre-print
We introduce the bound and dynamic prototypes, show mechanisms and types of modular swimming and discuss approaches to control the direction and speed of modular microswimmers.  ...  The field of active matter in general and microswimming in particular has experienced a rapid and ongoing expansion over the last decade.  ...  Acknowledgement It is a pleasure to thank Hartmut Löwen, Thomas Speck, Christian Holm, Joost de Graaf, Benno Liebchen, Aidan T Brown and Erdal C. Oğuz for the helpful discussions. We further thank  ... 
arXiv:1805.07063v1 fatcat:c6y4f3uppnehtcbljsdx4i7emy

Magnetic nanoparticle-based approaches to locally target therapy and enhance tissue regenerationin vivo

Richard Sensenig, Yulia Sapir, Cristin MacDonald, Smadar Cohen, Boris Polyak
2012 Nanomedicine  
Recent progress in the use of magnetic nano-and micro-particles for biomedical applications has significantly exceeded expectations.  ...  Another focus of this review is regenerative applications utilizing tissue engineered scaffolds prepared with the aid of magnetic particles, the use of remote actuation for release of bioactive molecules  ...  Acknowledgments This work was partially supported by the Louis and Bessie Stein Family foundation through the Drexel University College of Medicine, American Associates of the Ben-Gurion University of  ... 
doi:10.2217/nnm.12.109 pmid:22994959 pmcid:PMC3543693 fatcat:mujzozbk5za7pcsnhlrcgjpdja

Physical intelligence as a new paradigm

Metin Sitti
2021 Extreme Mechanics Letters  
Intelligence of physical agents, such as human-made (e.g., robots, autonomous cars) and biological (e.g., animals, plants) ones, is not only enabled by their computational intelligence (CI) in their brain  ...  Therefore, it is essential to advance the PI of human-made agents as much as possible, in addition to their CI, to operate them in unstructured and complex real-world environments like the biological agents  ...  This work is funded by the Max Planck Society, Germany, the European Research Council (ERC) Advanced Grant SoMMoR project with grant no: 834531, and the German Research Foundation (DFG) Soft Material Robotic  ... 
doi:10.1016/j.eml.2021.101340 fatcat:kfe5o64icjdstdvphrqgni4co4

A magnetically actuated, optically sensed tensile testing method for mechanical characterisation of soft biological tissues [article]

Luca Rosalia, Adrien Hallou, Laurence Cochrane, Thierry Savin
2022 bioRxiv   pre-print
force actuator and an optical strain sensor.  ...  Mechanics has been proposed to exert its effect by impacting cells fate decisions and cell behaviours including proliferation, differentiation and motility, amongst others.  ...  He also acknowledges the support of the core funding to the Wellcome / CRUK Gurdon Institute (092096 and C6946/A14492) and of the Wellcome Grant (219478/Z/19/Z) to Benjamin D. Simons.  ... 
doi:10.1101/2022.07.29.501994 fatcat:y7jpcv6hxngxfle6h6mewi5mje

Wireless powering for a self-propelled and steerable endoscopic capsule for stomach inspection

R. Carta, G. Tortora, J. Thoné, B. Lenaerts, P. Valdastri, A. Menciassi, P. Dario, R. Puers
2009 Biosensors & bioelectronics  
A 3D inductive link is used to supply up to 400 mW to the embedded electronics and a set of 4 radio-controlled motor propellers.  ...  The upper limit of the received power was achieved complying with the strict regulations for safe exposure of biological tissue to variable magnetic fields.  ...  Nicodemo Funaro and Mrs. Noella Gaethofs for their invaluable help on parts fabrication and assembly.  ... 
doi:10.1016/j.bios.2009.08.049 pmid:19775883 fatcat:kgwg2fwwl5fghk2dtwpalaeiu4

Biofabrication strategies for 3D in vitro models and regenerative medicine

Lorenzo Moroni, Jason A. Burdick, Christopher Highley, Sang Jin Lee, Yuya Morimoto, Shoji Takeuchi, James J. Yoo
2018 Nature Reviews Materials  
Biofabrication strategies can be applied to engineer 3D tissue models in vitro by mimicking the structure and function of native tissue through the precise deposition and assembly of materials and cells  ...  This approach allows the spatiotemporal control over cell-cell and cell-extracellular matrix communication and thus the recreation of tissue-like structures.  ...  Such micro robots contain magnetic materials that can be actuated by electromagnets, which are controlled by high-level user algorithms.  ... 
doi:10.1038/s41578-018-0006-y pmid:31223488 pmcid:PMC6586020 fatcat:byjkxwtnqjg57dgvbysqquecri

Versatile Electrostatic Assembly of Nanoparticles & Polyelectrolytes: Coating, Clustering and Layer-by-Layer Processes [article]

J.-P. Chapel, J.-F. Berret
2011 arXiv   pre-print
of capsules and thin films with superior functionalities.  ...  These strategies include the one-step synthesis of stable and functionalized nanoparticles, the one- and multilayer coating of individual nano-objects, the controlled clustering of particles and the generation  ...  These nanowires are devoted to applications in nanomedicine, where they can be used as nanodevices (tips, tweezers and actuators) at the scale of the cells.  ... 
arXiv:1108.4769v1 fatcat:motjdrd4cvggvps3oh5xlzxjia

Electro-osmotic propulsion of helical nanobelt swimmers

Gilgueng Hwang, Rémy Braive, Laurent Couraud, Antonella Cavanna, Ouerghi Abdelkarim, Isabelle Robert-Philip, Alexios Beveratos, Isabelle Sagnes, Sinan Haliyo, Stéphane Régnier
2011 The international journal of robotics research  
These HNB swimmers are designed with a head and a tail, similar to natural micro-organisms such as bacteria and their flagella.  ...  Micro and nanoscale mobile agents capable of self-propulsion in low Reynolds number fluids would have a great technological impact in many fields.  ...  We also thank Prof Hideki Hashimoto, the University of Tokyo, for allowing us to use their manipulators.  ... 
doi:10.1177/0278364911407231 fatcat:k44eonhv2bbrlpaigskvx4doj4

Microvalve-based bioprinting – process, bio-inks and applications

Wei Long Ng, Jia Min Lee, Wai Yee Yeong, May Win Naing
2017 Biomaterials Science  
DOD microvalve-based bioprinting system provides a highly advanced manufacturing platform that facilitates precise control over the cellular and biomaterial deposition in a highly reproducible and reliable  ...  This article highlights promising directions to transform microvalve-based bioprinting into an enabling technology that will potentially drive significant advances in the field of TERM.  ...  Acknowledgements The authors would like to thank the scholarship sponsorship by A*STAR Graduate Academy and funding support of the NTU Start-up Grant.  ... 
doi:10.1039/c6bm00861e pmid:28198902 fatcat:h3ra3nq6xbblblt4chmazhpeou

Recent developments in superhydrophobic surfaces with unique structural and functional properties

Yong-Lai Zhang, Hong Xia, Eunkyoung Kim, Hong-Bo Sun
2012 Soft Matter  
In this review, we summarize the recent developments of superhydrophobic surfaces with unique structural and functional properties.  ...  Both the fabricative methods and the working performance of superhydrophobic surfaces with multidisciplinary functionalities including self-cleaning, icephobicity, anti-corrosion, drag reduction, transparency  ...  Acknowledgements This work is supported by the National Science Foundation of China (Grant nos 90923037, 61008014, and 6078048). We also acknowledge the China Postdoctoral Science Foundation no.  ... 
doi:10.1039/c2sm26517f fatcat:yjp3cgjwk5abhl2jzmxnrpimgi

Bioprintability: Physiomechanical and Biological Requirements of Materials for 3D Bioprinting Processes

Andrea S. Theus, Liqun Ning, Boeun Hwang, Carmen Gil, Shuai Chen, Allison Wombwell, Riya Mehta, Vahid Serpooshan
2020 Polymers  
Three-dimensional (3D) bioprinting is an additive manufacturing process that utilizes various biomaterials that either contain or interact with living cells and biological systems with the goal of fabricating  ...  These bioinks are typically hydrogel-based hybrid systems with many specific features and requirements.  ...  Inkjet bioprinting lays a continuous stream of small sized droplets to form the 3D structure.  ... 
doi:10.3390/polym12102262 pmid:33019639 pmcid:PMC7599870 fatcat:3eabxdy2pvhgxe6bfnlgkotwc4

Dielectric Elastomer Actuator for Soft Robotics Applications and Challenges

Youn, Jeong, Hwang, Kim, Hyeon, Park, Kyung
2020 Applied Sciences  
This paper begins with the introduction of the working principle of the dielectric elastomer actuators.  ...  This paper reviews state-of-the-art dielectric elastomer actuators (DEAs) and their future perspectives as soft actuators which have recently been considered as a key power generation component for soft  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/app10020640 fatcat:n7d6y6xq3va3xbdvko6uhybpwq

CD-Based Microfluidics for Primary Care in Extreme Point-of-Care Settings

Suzanne Smith, Dario Mager, Alexandra Perebikovsky, Ehsan Shamloo, David Kinahan, Rohit Mishra, Saraí Torres Delgado, Horacio Kido, Satadal Saha, Jens Ducrée, Marc Madou, Kevin Land (+1 others)
2016 Micromachines  
The evolution of centrifugal microfluidics, along with examples of commercial and advanced prototype centrifugal microfluidic systems, is presented, illustrating the success of deployment at the point-of-care  ...  Innovative centrifugal approaches for point-of-care in extremely resource-poor settings are highlighted, including sensing and detection strategies, smart power sources and biomimetic inspiration for environmental  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/mi7020022 pmid:30407395 pmcid:PMC6190444 fatcat:xdowdl2fcragxdicra6teobdku
« Previous Showing results 1 — 15 out of 158 results