Does hydrogel contain graphene oxide?
Answers from top 10 papers
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| Papers (10) | Insight |
|---|---|
83 Citations | Herein, the novel and bifunctional composite hydrogel containing reduced graphene-oxide nanosheets (RGO) and V2O5 nanobelts (RGO/V2O5) is successfully prepared for the first time. |
18 Citations | Here, we report a lamellar holey oxygen-enriched graphene hydrogel (LGH) consisting of graphene sheets with a large amount of oxygen functional groups and in-plane pores and confirm its excellent supercapacitive performances. |
37 Citations | The hydrogel system shows great versatility towards incorporating graphene oxide or metal ions, providing a way to introduce graphene sheets or metal nanoparticles into carbon matrix as needed. |
40 Citations | The electro-response rate of hydrogels can be improved by forming hydrogel fiber and adding graphene oxide (GO). |
| It was shown that graphene-based composite hydrogel with incorporated AgNPs is non toxic biomaterial with antibacterial activity, with a potential for use in biomedical purposes. | |
18 Citations | We propose a novel Pluronic-based physical hydrogel with enhanced stability by simply adding a small quantity of graphene oxide (GO) which has a large surface area and can make strong interactions with Pluronic. |
509 Citations | A graphene oxide conductive hydrogel is reported that simultaneously possesses high toughness, self-healability, and self-adhesiveness. |
| This discovery lends greater understanding to the formation of graphene oxide-based hydrogels, which could allow more flexibility and tunability in synthetic methods for graphene-like materials. | |
60 Citations | These imply that the siloxene-reduced graphene oxide composite hydrogel may be a promising electrode material for high-performance supercapacitors. |
57 Citations | We present a facile, environment-friendly and mild method to fabricate graphene hydrogel by heating graphene oxide (GO) suspension containing sodium bicarbonate (NaHCO3). |
Related Questions
How does graphene oxide affect the bacteria?5 answersGraphene oxide (GO) affects bacteria through multiple mechanisms. Firstly, GO can attach to the bacterial cell surface either in parallel or perpendicular interaction modes, depending on the surface oxygen content (SOC) of the GO. The interaction mode is related to the rigidity of the GO, with high SOC GO being more flexible and able to wrap bacteria, while lower SOC GO tends to contact bacteria with their edges. Secondly, GO can cause damage to the cellular ultrastructure of bacteria, with Ag-GO causing the most severe damage and GO causing intermediate damage. The damage is correlated with specific Fourier transform infrared spectroscopy (FTIR) spectral metrics, indicating disruption of the lipopolysaccharide, peptidoglycan, and phospholipid bilayers. Additionally, GO can decrease the ability of bacteria to form biofilms on surfaces, reducing biofilm formation on implantable medical devices. Finally, GO exhibits antimicrobial activity by inducing cellular damage, oxidative stress, and limiting physical movements and metabolism of bacteria.
What are the different types of hydrogels that can be used in wound dressings?4 answersHydrogels are a type of material that can be used in wound dressings. They have several advantages, including high permeability to nutrients and oxygen, the ability to provide a moist environment for accelerated wound healing, biocompatibility, easy removal without causing further skin tear, and the ability to mimic the natural extracellular matrix. Different types of hydrogels have been developed for wound dressings. One type is a composite hydrogel constructed through dynamic borate ester bonds between phenylboronic acid-grafted F127 and polydopamine-coated reduced graphene oxide/silver nanoparticles. Another type is a supramolecular hydrogel fabricated by mixing phenylazo-terminated Pluronic F127, quaternized chitosan-graft-cyclodextrin, and polydopamine-coated tunicate cellulose nanocrystals. Additionally, hydrogels can be developed using glycidyl trimethyl ammonium chloride-graft-chitosan and aldehyde-dextran, which provide suitable mechanical strength, fast self-healing, transparency, antibacterial, and antioxidant effects. Chitosan-pectin biocomposite hydrogels with the addition of citric acid have also been studied for wound dressing applications. These different types of hydrogels offer various properties and functionalities that can be beneficial for wound healing.
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