Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 482, Issue -, Pages 92-97Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2015.04.032
Keywords
Layer-by-layer; Gold nanorods; Janus capsule; Autonomous motor; Light activation
Categories
Funding
- National Nature Science Foundation of China [21273053]
- New Century Excellent Talent Program [NCET110800]
- Fundamental Research Funds for the Central Universities
- State Key Laboratory of Robotics and System (HIT)
Ask authors/readers for more resources
We report a self-propelled Janus micromotor composed by chitosan (CHI) and alginate (ALG) multilayer capsule driven by near-infrared (NIR) illumination. The CHI/ALG multilayer capsules were prepared using conventional template-assisted layer-by-layer (LbL) self-assembly. Subsequently, gold nanorods (GNRs) were deposited on one side of the assembled capsules using microcontact printing method. The GNRs-modified Janus capsules can be driven by NIR irradiation owing to the generated thermal gradient and no additional chemical fuel are requested. It is also shown the moving speed of these Janus micromotors can be regulated by irradiation intensity and reach to 23.27 mu m/s at a laser power of 9.6 J/cm(2). Since no additional chemical component as fuel, this GNRs-modified ALG/CHI multilayer Janus capsule micromotor shows great potential as a biomimetic delivery platform in biomedical field. (C) 2015 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available
Share Paper
