Topological Study of the Behavior of Inorganic Fine Powers and a Nanovesicle Hybridized Coating
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- Title
- Topological Study of the Behavior of Inorganic Fine Powers and a Nanovesicle Hybridized Coating
- Authors
- Seo, DS; Kim, DP; Jin, FL; Park, SJ
- Date Issued
- 2009-02-20
- Publisher
- KOREAN CHEMICAL SOC
- Abstract
- In this study, the surface of inorganic fine powders is hybridized with nanovesicles containing tocopheryl acetate prepared with hydrogenated lecithin via a coating process. From AFM and SEM analyses it is found that the surface of the nanovesicle-coated fine powders lost their traditional topology and improved in terms of their roughness, skewness, and kurtosis. In addition, TEM observations revealed the formation of a 5 nm thick coating layer on the surface of the fine powders. These hybridized powders, in which bioactive materials Such as tocopheryl acetate can be embedded, can be employed as a part of a drug delivery system due to their special ability to control release rate and temperature selectivity. Physical properties of the powders, i.e., the different angle and friction coefficient, were excellent.
- Keywords
- Lecithin; Nanovesicle; Particle size; Fine powder; Topology; IMPROVEMENT; COSMETICS; POLYMER; SILICA
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/16065
- ISSN
- 0253-2964
- Article Type
- Article
- Citation
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, vol. 30, no. 2, page. 343 - 347, 2009-02-20
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