Rapid self-healing, stretchable, moldable, antioxidant and antibacterial tannic acid-cellulose nanofibril composite hydrogels

Ge, Wenjiao; Cao, Shan; Shen, Feng; Wang, Yuyuan; Ren, Junli; Wang, Xiaohui

doi:10.1016/j.carbpol.2019.115147

Cited by 188 publications

(116 citation statements)

References 36 publications

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“…Figure 2f indicates the UV-Vis absorption curve of the 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical solution in the control group and Ca 2+ -TA@SL-PAM hydrogel with different TA@SL content. Due to the presence of odd electrons, the DPPH radical generates a strong absorption peak at 517 nm [8]. However, the coordination of electrons with the hydrogen atoms in the antioxidant results in a decrease in the intensity of the absorption peak.…”

Section: Methodsmentioning

confidence: 99%

Adhesive, Transparent Tannic Acid@ Sulfonated Lignin-PAM Ionic Conductive Hydrogel Electrode with Anti-UV, Antibacterial and Mild Antioxidant Function

et al. 2019

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Inspired by mussel adhesion chemistry and ion electronics, a novel Ca2+-tannic acid@ sulfonated lignin-polyacrylamide (TA@SL-PAM) hydrogel was prepared via Ca2+-TA@SL composites and the PAM system, where a Ca2+-TA@SL composite was fabricated via TA doping with SL and the subsequent adsorption of Ca2+. The properties of the hydrogel were thoroughly investigated and the hydrogel was presented as multifunctional. The introduction of Ca2+-TA@SL composites endowed the hydrogel with excellent conductivity, adhesion and ultraviolet (UV) resistance, and improved antioxidant and antibacterial properties. More importantly, the Ca2+-TA@SL-PAM hydrogel electrode could accurately detect physiological signals of human (e.g., electrocardiogram (ECG), electromyography (EMG).

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Section: Methodsmentioning

confidence: 99%

Adhesive, Transparent Tannic Acid@ Sulfonated Lignin-PAM Ionic Conductive Hydrogel Electrode with Anti-UV, Antibacterial and Mild Antioxidant Function

et al. 2019

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“…Ag/TA/CNC nanocomplexes endow antibacterial, electric conductivity, adhesivity and super stretchability (> 4000 %) [63] PVA/CNF/TA CNF/TA improved mouldability, stretchable (> 2000 %) and endow antibacterial and antioxidant properties [64] PVA/TA-coated CNC TA/CNC endow the toughness & adhesivity [65] PVA/CNF, LN NPs both CNF and LN NPs improved the viscoelastic properties [66,67] PVA/HEC, glycerol, LN both HEC and LN improved stretchability, adhesivity and viscoelastic properties. Fe(III) increased the conductivity and adhesivity [68] GG/glycerol/PC-coated CNF/Fe(III) strain sensor PC/CNF boost mechanical properties and adhesivity while Fe(III) improved conductivity and adhesivity [69] PVA/Glycerol/PC/rGO strain sensor PC/rGO improved mechanical property, conductivity, adhesivity and mimicking the human skin touch feeling feature [70] PVA/CNF-PPy strain sensor CNF/PPy nanocomplex endow high electroconductivity, strength, plasticity, viscoelasticity, and stretchability.…”

Section: Sclgmentioning

confidence: 99%

“…[100] Moreover, addition of other ingredients to the boraxbased nanocomposite hydrogels have been evaluated for the fabrication of hybrid materials. For instance, addition of metal cations (such as Zn 2 + ) [61] can create supercapacitors or addition of polyphenols [63][64][65] can enhance the adhesivity and endow antioxidant property to the hydrogel. Especially, addition of metals such as Fe(III) and Al(III) to the hydrogels containing polyphenols increase the adhesivity dramatically [69] due to the complexation of these metals with phenolic groups.…”

Section: Nanocomposite Borax-based Hydrogelsmentioning

confidence: 99%

“…Similarly, incorporation of CNF and TA into the PVA/B hydrogels led to the generation of rapid self-healing and stretchable hydrogels with antioxidant and antibacterial properties. [64] Dynamic boronate linkages between PVA/TA/ CNF/B along with abundant H-bondings endow great selfhealing properties to the hydrogel. Incorporation of CNF to the PVA/B hydrogel leads to the more compact structures with smaller pore sizes and higher surface areas.…”

Section: P E R S O N a L A C C O U N T T H E C H E M I C A L R E C O R Dmentioning

confidence: 99%

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Self‐healing Polyol/Borax Hydrogels: Fabrications, Properties and Applications

Seidi

Jin

Han

et al. 2020

The Chemical Record

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Self-healing polyol/borax hydrogels have found great applications in various areas; especially in sensors, flexible electronics and biomedical fields. In this review, fabrication and characteristics of various types of borax-based hydrogels are discussed. Mechanical properties and self-healing behaviors of these hydrogels are strongly affected by the types of polyol, ratio of polyol:borax, and concentration of each component. Incorporation of highly polar nanofillers (such as cellulose nanofibers) into hydrogels and fabrication of double-network structures have been employed as the promising strategies for improving the mechanical properties. Other additives have also been examined to generate nanocomposite hydrogels for a wide variety of uses; e. g. polyphenols for developing adhesives, conducting polymers, and hybrid structures based on carbon nanotubes and graphenes for electroconductivity, Ag and ZnO nanoparticles for antibacterial property, and quantum dots for fluorescence.

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“…Clearly, among different methods for crosslinking PVA-based hydrogels, the employment of borax is a simple approach without the excessive imposition of controls over the final associated properties [30][31][32]. The approach effectively supports the fabrication of PVA hydrogel composites with different properties ranging from self-adhesion to high mechanical strength, with negligible side effects on biomedical properties [33][34][35].…”

Section: Introductionmentioning

confidence: 99%

Vortex fluidic mediated one-step fabrication of polyvinyl alcohol hydrogel films with tunable surface morphologies and enhanced self-healing properties

Tavakoli

Raston

et al. 2020

Sci. China Mater.

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Previous strategies for controlling the surface morphologies of polyvinyl alcohol (PVA)-based hydrogels, including freeze-drying and electrospinning, require a posttreatment process, which can affect the final textures and properties of the hydrogels. Of particular interest, it is almost impossible to control the surface morphology during the formation of PVA hydrogels using these approaches. The strategy reported in this study used the novel vortex fluidic device (VFD) technology, which for the first time provided an opportunity for one-step fabrication of PVA hydrogel films. PVA hydrogels with different surface morphologies could be readily fabricated using a VFD. By also reducing the crosslinking agent concentration, a self-healing gel with enhanced fracture stress (60% greater than that of traditionally made hydrogel) was achieved. Interestingly, the associated selfhealing property remained unchanged during the 260-s mechanical testing performed with the strain rate of 5% s −1. The VFD can effectively tune the surface morphologies of the PVA-based hydrogels and their associated properties, particularly the self-healing property.

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Rapid self-healing, stretchable, moldable, antioxidant and antibacterial tannic acid-cellulose nanofibril composite hydrogels

Cited by 188 publications

References 36 publications

Adhesive, Transparent Tannic Acid@ Sulfonated Lignin-PAM Ionic Conductive Hydrogel Electrode with Anti-UV, Antibacterial and Mild Antioxidant Function

Adhesive, Transparent Tannic Acid@ Sulfonated Lignin-PAM Ionic Conductive Hydrogel Electrode with Anti-UV, Antibacterial and Mild Antioxidant Function

Self‐healing Polyol/Borax Hydrogels: Fabrications, Properties and Applications

Vortex fluidic mediated one-step fabrication of polyvinyl alcohol hydrogel films with tunable surface morphologies and enhanced self-healing properties

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