A high-conductive, anti-freezing, antibacterial and anti-swelling starch-based physical hydrogel for multifunctional flexible wearable sensors

Lu, Lu; Huang, Zunxiang; Li, Xueting; Li, Xiaonan; Cui, Bo; Yuan, Chao; Liu, Pengfei; Dai, Qilin

doi:10.1016/j.ijbiomac.2022.06.011

Cited by 47 publications

(13 citation statements)

References 52 publications

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“…Hydrogels are water-rich polymer networks with a porous structure, in which the water and the porous structure allow ions to have high mobility in the gel. 70,71 Substances capable of generating free ions in water can be generally classified as acids (e.g., HCl, H 2 SO 4 , etc. ), metal salts (e.g., NaCl, KCl, LiCl, FeCl 3 , etc.…”

Section: Conductive Propertiesmentioning

confidence: 99%

Functional conductive hydrogels: from performance to flexible sensor applications

Tian

et al. 2023

Mater. Chem. Front.

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Section: Conductive Propertiesmentioning

confidence: 99%

Functional conductive hydrogels: from performance to flexible sensor applications

Tian

et al. 2023

Mater. Chem. Front.

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“…[ 185 ] Through adding ionic liquid and Al 3+ into starch/PVA DN structure, Lu et al developed an anti‐swelling conductive hydrogel with high stretchability, tensile strength, and good anti‐freezing properties. [ 186 ] In addition, based on the chelation between multi‐ionic biomineral (containing Mg 2+ , Ca 2+ , CO 3 2− , and PO 4 3− ) and the matrix of biocompatible PVA and SA, another ionic crosslinked conductive NSHs was constructed. Meaningfully, the presence of Mg 2+ and PO 4 3− prohibited the crystallization in the biomineral, leading to stable network with excellent mechanical performance and anti‐freezing property.…”

Section: Non‐swelling Hydrogelsmentioning

confidence: 99%

Tailoring the Swelling‐Shrinkable Behavior of Hydrogels for Biomedical Applications

Feng

Wang

2023

Advanced Science

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Hydrogels with tailor‐made swelling‐shrinkable properties have aroused considerable interest in numerous biomedical domains. For example, as swelling is a key issue for blood and wound extrudates absorption, the transference of nutrients and metabolites, as well as drug diffusion and release, hydrogels with high swelling capacity have been widely applicated in full‐thickness skin wound healing and tissue regeneration, and drug delivery. Nevertheless, in the fields of tissue adhesives and internal soft‐tissue wound healing, and bioelectronics, non‐swelling hydrogels play very important functions owing to their stable macroscopic dimension and physical performance in physiological environment. Moreover, the negative swelling behavior (i.e., shrinkage) of hydrogels can be exploited to drive noninvasive wound closure, and achieve resolution enhancement of hydrogel scaffolds. In addition, it can help push out the entrapped drugs, thus promote drug release. However, there still has not been a general review of the constructions and biomedical applications of hydrogels from the viewpoint of swelling‐shrinkable properties. Therefore, this review summarizes the tactics employed so far in tailoring the swelling‐shrinkable properties of hydrogels and their biomedical applications. And a relatively comprehensive understanding of the current progress and future challenge of the hydrogels with different swelling‐shrinkable features is provided for potential clinical translations.

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“…H 3 PO 4 , HCl, H 2 SO 4 ); and ionic liquids ( e.g. 1-ethyl-3-methyl imidazolium acetate ([Emim]Ac) 51 ). Unlike electrically conductive hydrogels, ion-conductive hydrogels usually have higher transparency.…”

Section: Materials and Conductive Mechanism Of Conductive Hydrogelsmentioning

confidence: 99%

Conductive hydrogels for bioelectronics: molecular structures, design principles, and operation mechanisms

Zhang¹,

Ye²,

Ye³

et al. 2023

J. Mater. Chem. C

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A high-conductive, anti-freezing, antibacterial and anti-swelling starch-based physical hydrogel for multifunctional flexible wearable sensors

Cited by 47 publications

References 52 publications

Functional conductive hydrogels: from performance to flexible sensor applications

Functional conductive hydrogels: from performance to flexible sensor applications

Tailoring the Swelling‐Shrinkable Behavior of Hydrogels for Biomedical Applications

Conductive hydrogels for bioelectronics: molecular structures, design principles, and operation mechanisms

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