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Enhancing the UV A1 screening ability of caffeic acid by encapsulation in layered basic zinc hydroxide matrix

Title
Enhancing the UV A1 screening ability of caffeic acid by encapsulation in layered basic zinc hydroxide matrix
Authors
Biswick T.Park D.-H.Choy J.-H.
Ewha Authors
최진호
SCOPUS Author ID
최진호scopus
Issue Date
2012
Journal Title
Journal of Physics and Chemistry of Solids
ISSN
0022-3697JCR Link
Citation
vol. 73, no. 12, pp. 1510 - 1513
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
An organic UV screening molecule, caffeic acid (CA), has been stabilised in a zinc basic salt (ZBS) matrix upon intercalative reaction into zinc hydroxide nitrate. According to the X-ray diffraction pattern, the basal spacing of the CA-ZBS nanohybrid is determined to be 10.4 Å, which is in agreement with a result of cross-section TEM analysis. FT-IR analysis shows that carboxylate groups in organic anions interact coordinately with zinc atoms on inorganic hydroxide sheets. The resultant CA-ZBS nanohybrid exhibits a superior UV screening ability compared to pure CA molecule. © 2012 ElsevierLtd. Allrightsreserved.
DOI
10.1016/j.jpcs.2011.11.039
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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