Journal
MICROMACHINES
Volume 9, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/mi9020083
Keywords
Janus particles; micro-motors; multiple functionalization; self-propelling; motion manipulation
Categories
Funding
- Shenzhen Peacock Plan [JCYJ20170413102735544]
- Natural Science Foundation of Guangdong Province, China [KQTD201507161644225]
- Science and Technology Planning Project of Shenzhen Municipality, China [2015A030313889]
- [ZDSYS201504301045406]
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Self-propelling micro/nano-motors have attracted great attention due to their controllable active motion and various functional attributes. To date, a variety of technologies have been reported for the fabrication of micro/nano-motors. However, there are still several challenges that need to be addressed. One of them is to endow micro/nano-motors with multi-functionalities by a facile fabrication process. Here, we present a universal approach, adopted from the emulsion templating method, for the fabrication of Janus micro-motors. With a one-step process, magnetic nanoparticles and fluorescent dyes are simultaneously embedded into the microparticles. The self-propelled motors can be used as an active label or fluorescent tracer through manipulation of their motion using magnetic guidance.
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