Microfluidic-Assisted Fabrication of Flexible and Location Traceable Organo-Motor
- Authors
- Seo, Kyoung Duck; Kwak, Byung Kook; Sanchez, Samuel; Kim, Dong Sung
- Issue Date
- Apr-2015
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Flexible; hydrogel; magnetic resonance imaging; micromotor; microfluidics; microparticle; organo-motor; poly (ethylene glycol) diacrylate; self-propulsion; superparamagnetic iron oxide nanoparticles
- Citation
- IEEE TRANSACTIONS ON NANOBIOSCIENCE, v.14, no.3, pp 298 - 304
- Pages
- 7
- Journal Title
- IEEE TRANSACTIONS ON NANOBIOSCIENCE
- Volume
- 14
- Number
- 3
- Start Page
- 298
- End Page
- 304
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/9726
- DOI
- 10.1109/TNB.2015.2402651
- ISSN
- 1536-1241
1558-2639
- Abstract
- In this paper, we fabricate a flexible and location traceable micromotor, called organo-motor, assisted by microfluidic devices and with high throughput. The organo-motors are composed of organic hydrogel material, poly (ethylene glycol) diacrylate (PEGDA), which can provide the flexibility of their structure. For spatial and temporal traceability of the organo-motors under magnetic resonance imaging (MRI), superparamagnetic iron oxide nanoparticles (SPION; Fe3O4) were incorporated into the PEGDA microhydrogels. Furthermore, a thin layer of platinum (Pt) was deposited onto one side of the SPION-PEGDA microhydrogels providing geometrical asymmetry and catalytic propulsion in aqueous fluids containing hydrogen peroxide solution, H2O2 Furthermore, the motion of the organo-motor was controlled by a small external magnet enabled by the presence of SPION in the motor architecture.
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