https://scholars.lib.ntu.edu.tw/handle/123456789/640168
標題: | Luminescent lanthanide-containing gelatin/polydextran/laponite nanocomposite double-network hydrogels for processing and sensing applications | 作者: | Chiang, Pei Yu Zeng, Pin Han YI-CHEUN YEH |
關鍵字: | Lanthanide | Nanocomposite hydrogels | Sensing | 公開日期: | 1-三月-2024 | 卷: | 260 | 期: | Pt 2 | 來源出版物: | International Journal of Biological Macromolecules | 摘要: | Lanthanide-containing nanomaterials have gained significant popularity for their utilization in polymeric networks, enabling the creation of luminescent nanocomposites for advanced applications. In this study, we developed a new type of lanthanide-containing nanocomposite hydrogels by incorporating terbium-containing laponite (Tb3+@Lap) into the networks of polyethyleneimine-modified gelatin/polydextran aldehyde (PG/PDA) through dynamic bonds. The structures and properties of the Tb3+@Lap-containing nanocomposite double-network (ncDN) hydrogels were comprehensively investigated in comparison with the DN hydrogels with a pure polymeric network and the Lap-containing ncDN hydrogels. The PG/PDA/Tb3+@Lap ncDN hydrogels with multiple dynamic bonds (i.e., imine bonds, coordination bonds, hydrogen bonds, and electrostatic interactions) exhibited remarkable characteristics of shear-thinning and self-healing, making them suitable for the construction of hydrogel scaffolds on a macroscale using fabrication techniques such as electrospinning and 3D printing. Moreover, the PG/PDA/Tb3+@Lap ncDN hydrogels have been demonstrated to act as sensitive and selective luminescent sensors for detecting copper ions. Taken together, a versatile lanthanide-containing ncDN hydrogel platform capable of dynamic features is developed for processing and sensing applications. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/640168 | ISSN: | 01418130 | DOI: | 10.1016/j.ijbiomac.2024.129359 |
顯示於: | 高分子科學與工程學研究所 |
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