Chitosan as a protective matrix for the squaraine dye
Materials, ISSN: 1996-1944, Vol: 14, Issue: 5, Page: 1-19
2021
- 5Citations
- 13Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations5
- Citation Indexes5
- CrossRef5
- Captures13
- Readers13
- 13
Article Description
Chitosan was used as a protective matrix for the photosensitive dye‐squaraine (2,4‐bis[4‐ (dimethylamino)phenyl]cyclobutane‐1,3‐diol). The physicochemical properties of the obtained systems, both in solution and in a solid‐state, were investigated. However, it was found that diluted chitosan solutions with a few percent additions of dye show an intense fluorescence, which is suppressed in the solid‐state. This is related to the morphology of the heterogeneous modified chitosan films. The important advantage of using a biopolymer matrix is the prevention of dye degradation under the influence of high energy ultraviolet (UV) radiation while the dye presence improves the chitosan heat resistance. It is caused by mutual interactions between macromolecules and dye. Owing to the protective action of chitosan, the dye release in liquid medium is limited. Chitosan solutions with a few percent additions of squaraine can be used in biomedical imaging thanks to the ability to emit light, while chitosan films can be protective coatings resistant to high temperatures and UV radiation.
Bibliographic Details
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