Micro-rocket robot with all-optic actuating and tracking in blood
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
Author(s)
Related Research Unit(s)
Detail(s)
Original language | English |
---|---|
Article number | 84 |
Number of pages | 10 |
Journal / Publication | Light: Science and Applications |
Volume | 9 |
Online published | 11 May 2020 |
Publication status | Published - 2020 |
Link(s)
DOI | DOI |
---|---|
Attachment(s) | Documents
Publisher's Copyright Statement
|
Link to Scopus | https://www.scopus.com/record/display.uri?eid=2-s2.0-85084424495&origin=recordpage |
Permanent Link | https://scholars.cityu.edu.hk/en/publications/publication(1dd1d5f2-cd30-4c25-9407-4ed6e38ef1b3).html |
Abstract
Micro/nanorobots have long been expected to reach all parts of the human body through blood vessels for medical treatment or surgery. However, in the current stage, it is still challenging to drive a microrobot in viscous media at high speed and difficult to observe the shape and position of a single microrobot once it enters the bloodstream. Here, we propose a new micro-rocket robot and an all-optic driving and imaging system that can actuate and track it in blood with microscale resolution. To achieve a high driving force, we engineer the microrobot to have a rocket-like triple-tube structure. Owing to the interface design, the 3D-printed micro-rocket can reach a moving speed of 2.8 mm/s (62 body lengths per second) under near-infrared light actuation in a blood-mimicking viscous glycerol solution. We also show that the micro-rocket robot is successfully tracked at a 3.2-µm resolution with an optical-resolution photoacoustic microscope in blood. This work paves the way for microrobot design, actuation, and tracking in the blood environment, which may broaden the scope of microrobotic applications in the biomedical field.
Research Area(s)
Citation Format(s)
Micro-rocket robot with all-optic actuating and tracking in blood. / Li, Dengfeng; Liu, Chao; Yang, Yuanyuan et al.
In: Light: Science and Applications, Vol. 9, 84, 2020.Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
Download Statistics
No data available