Shaping characteristics in alginate hydrogel encapsulation via a two-fluid spraying method
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Title
- Shaping characteristics in alginate hydrogel encapsulation via a two-fluid spraying method
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Author(s)
- Baekhoon, Seong; Kim, Jihoon; Jung, Sejin; Kang, Giho; Lee, Jinkee; Byun, Doyoung; Lee, Kwang-Soo; Jang, Hyung-Seok; Ko, Jin Hwan
- KIOST Author(s)
- Kim, Jihoon(김지훈)
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Alternative Author(s)
- 성백훈; 김지훈; 이광수
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Publication Year
- 2018-09
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Abstract
- Recently, an alginate hydrogel containing amphiphilic liposomes was suggested for application to an antifouling coating. In this study, we investigate the shaping characteristics of the alginate hydrogel by a spraying method for application to the coating. Sodium alginate droplets from the spraying nozzle are known to be differently shaped by several external forces during the encapsulation process when such a droplet impacts onto the surfaces of liquid containing calcium ions. We adopted a two-fluid spraying method for fast alginate droplets with a scalable size suitable for mass production. Various shapes, such as mushroom, petal, sphere, and thin-sheet alginate hydrogel shapes containing liposomes, were obtained via this experimental approach. Supported by a theoretical analysis, we determined regimes for the various shapes depending on the droplet size and the concentration of the sodium alginate solution. Alginate hydrogel of different shapes based on the regimes will be used for the coating throughout a different post-processing.
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ISSN
- 1547-0091
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/843
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DOI
- 10.1007/s11998-018-0060-9
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Bibliographic Citation
- Journal of Coatings Technology and Research, v.15, no.5, pp.1157 - 1165, 2018
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Publisher
- Federation of Societies for Coatings Technology
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Keywords
- Spraying; Hydrogel encapsulation; Shaping; Coating
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Type
- Article
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Language
- English
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Document Type
- Article
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