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Updated: Sep 14, 2025
Hybrid Printing for the Fabrication of Smart Sensors
Published on: January 31, 2019
Preparation of 3D-Printed Intelligent Label Loading with Natural Pigment Nanoparticles and Its Freshness Monitoring
Yangyu Huang1, Bihua Xia1, Jiahao Li1
1The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China.
None:
This paper constructed a kind of MSA-BA-GE 3D-printed intelligent label loading with MSA-BA composite nanoparticles. Innovatively, MSA-BA composite nanoparticles were used as the color indicator system, viscous fluid gelatin solution was used as the matrix, and the mixture of MSA-BA composite nanoparticles and viscous fluid gelatin was put into a 3D printer to prepare a 3D-printed intelligent label. The microstructure, morphology, pH responsiveness, and food freshness monitoring performance of the MSA-BA composite nanoparticles and the MSA-BA-GE 3D-printed intelligent label were studied. The experimental results showed that the MSA-BA-GE 3D-printed intelligent label not only improved the stability of the natural pigment effectively but also exhibited a high pH responsiveness and obvious color change characteristics. This MSA-BA-GE 3D-printed intelligent label can be used to monitor the real-time freshness of fresh foods.
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