Ionic liquid treated cellulose-based intelligent pH-responsive color indicator film, with excellent anti-ultraviolet function
2
State Key Laboratory of Bio-Based Fiber Manufacturing Technology, China Textile Academy, Beijing, China
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Publication type: Journal Article
Publication date: 2023-08-09
scimago Q2
wos Q3
SJR: 0.505
CiteScore: 5.1
Impact factor: 2.8
ISSN: 10229760, 15728935
Materials Chemistry
Organic Chemistry
Polymers and Plastics
Abstract
Three instant pH-responsive intelligent chromogenic indicator films were fabricated by ionic liquid regenerated cellulose and introduction of shikonin with solution-casting method. The sensitive color change of the indicator film from reddish purple to light bluish purple could be observed in three cellulose-based films as the pH increased. Furthermore, the stimuli-responsive color change of hemp/shikonin film is more pronounced in the narrow region from pH 5.5 to 8.5. During real-time monitoring of shrimp freshness, the utilization of hemp/shikonin indicator film revealed a highly responsive alteration in discoloration from shrimp fresh (pH = 6.7) to spoiled (pH = 7.2), without noticeable change on the appearance of the shrimp visually. Besides, the shikonin-added indicator film exhibited notable UV-light barrier property and free radical scavenging activity, as well as greater thermal stability and mechanical strength. Due to its versatility and pH stimuli-responsive color changing, this novel indicator film has great application potential in smart food packaging.
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GOST
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An N. et al. Ionic liquid treated cellulose-based intelligent pH-responsive color indicator film, with excellent anti-ultraviolet function // Journal of Polymer Research. 2023. Vol. 30. No. 9. 343
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An N., Hu J., Ding Y., Sheng P., Zhang Z., Guo X. Ionic liquid treated cellulose-based intelligent pH-responsive color indicator film, with excellent anti-ultraviolet function // Journal of Polymer Research. 2023. Vol. 30. No. 9. 343
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TY - JOUR
DO - 10.1007/s10965-023-03716-4
UR - https://doi.org/10.1007/s10965-023-03716-4
TI - Ionic liquid treated cellulose-based intelligent pH-responsive color indicator film, with excellent anti-ultraviolet function
T2 - Journal of Polymer Research
AU - An, Nan
AU - Hu, Jingwan
AU - Ding, Yun
AU - Sheng, Pinghou
AU - Zhang, Zhicheng
AU - Guo, Xiangrui
PY - 2023
DA - 2023/08/09
PB - Springer Nature
IS - 9
VL - 30
SN - 1022-9760
SN - 1572-8935
ER -
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BibTex (up to 50 authors)
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@article{2023_An,
author = {Nan An and Jingwan Hu and Yun Ding and Pinghou Sheng and Zhicheng Zhang and Xiangrui Guo},
title = {Ionic liquid treated cellulose-based intelligent pH-responsive color indicator film, with excellent anti-ultraviolet function},
journal = {Journal of Polymer Research},
year = {2023},
volume = {30},
publisher = {Springer Nature},
month = {aug},
url = {https://doi.org/10.1007/s10965-023-03716-4},
number = {9},
pages = {343},
doi = {10.1007/s10965-023-03716-4}
}