Bulletin of the American Physical Society
71st Annual Meeting of the APS Division of Fluid Dynamics
Volume 63, Number 13
Sunday–Tuesday, November 18–20, 2018; Atlanta, Georgia
Session M07: Microscale Flows: Emulsions
8:00 AM–9:57 AM,
Tuesday, November 20, 2018
Georgia World Congress Center
Room: B212
Chair: Myeongsub Kim, Florida Atlantic University
Abstract ID: BAPS.2018.DFD.M07.5
Abstract: M07.00005 : Nano Ping Pong Ball*
8:52 AM–9:05 AM
Presenter:
Kwangseok Park
(KAIST)
Authors:
Kwangseok Park
(KAIST)
Hyoungsoo Kim
(KAIST)
Micro-and nanocapsules are widely utilized in various industries such as pesticides, cosmetics, medicines, and foods to protect and deliver internal substances as effective carriers. Typically, polymers are used to make the shell of capsules, which is fabricated by using complicated demands, e.g. temperature control, pH control, and chemical processes. In this study, we show a fabrication method for a self-encapsulated nanoshell carrier without the skilled expertise or the high-priced technical equipment. A water droplet containing high concentration of salt in an oil phase. As the water diffuses into the oil, the salt concentration at the water-oil interface increases and the salt crystal grows in time. Eventually, a completely encapsulated shell structure is created. Using this one-step method, we produced nanocapsules with several hundred nanometers in size. In this talk, we show how the perfect shell structure in nanometer-sized using the crystallization process which has no grain boundary. We expect that this method will bring about remarkable cost saving and process simplification in the nanocapsule production technology.
*This work was supported by the Young Researchers Program (NRF-2018R1C1B6004190) of the National Research Foundation of Korea and BK21 Plus Program.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.M07.5
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