Advanced searches left 3/3

Carbon Nanotubes - Europe PMC

Summarized by Plex Scholar
Last Updated: 04 September 2022

* If you want to update the article please login/register

Tunable mechanical, self-healing hydrogels driven by sodium alginate and modified carbon nanotubes for health monitoring

Conductive hydrogels with a skin-like texture have thrived in health monitoring and human-machine interface systems. A hydrogen bonding cross-linking scheme was executed herein by converting silk sericin-modified carbon nanotubes from silk sericin-modified carbon nanotubes into sodium alginate and polyvinyl alcohol. This research stems from the pressing need for multifunctional hydrogels with potential applications in human motion sensing and energy harvesting.

Source link: https://europepmc.org/article/MED/IND607833735


Improved Muscle Regeneration into a Joint Prosthesis with Mechano-Growth Factor Loaded within Mesoporous Silica Combined with Carbon Nanotubes on a Porous Titanium Alloy.

Total joint replacement is a promising therapy for serious joint injuries, but it is often characterized by a significant lack of skeletal muscle attachment to metal joint prostheses, resulting in fibrous scar tissue formation and subsequent motor dysfunction. Tissue engineering technology may be a promising method for skeletal muscle regeneration into metal joint prostheses. Moreover, in vivo studies, the scaffold promotes muscle growth rather than fibrotic tissue, transforming muscle tissue into a porous Ti alloy system that increases muscle morphology, satellite cell migration, and even immunomodulation.

Source link: https://europepmc.org/article/MED/36053268


Multiwalled Carbon Nanotubes Alter the PSII Photochemistry, Photosystem-Related Gene Expressions, and Chloroplastic Antioxidant System in Zea mays under Copper Toxicity.

The use of carbon nanomaterials is a crucial measure against copper toxicity, according to the author. However, the effect of CNMs on Cu toxicity-exposed chloroplasts is unclear. In Zea mays chloroplasts, the photosynthetic, genetic, and biochemical effects of multiwalled carbon nanotubes were investigated under Cu stress. Under strain, the F vs. /F m and F vs. F o were suppressed. Following CNT+ stress, the oxide dissolvance, ascorbate peroxide, glutathione S-transferase, and glutathione peroxidase soared, while hydrogen peroxide and lipid peroxidation decreased, while those of hydrogen peroxide and lipid peroxidation decreased.

Source link: https://europepmc.org/article/MED/36048567


Effects of sodium dodecyl benzene sulfonate on the combined toxicity of multi-walled carbon nanotubes and cadmium to Escherichia coli

Sodium dodecyl benzenesulfonate, a common used surfactant, could react with both CNTs and heavy metals. Without surface functional groups, three types of MWCNTs with a concentration below 200 mg/u2219L -1 didn't have obvious growth inhibition to E. coli, and they had reduced the toxicity of Cd 2+ to different degrees, according to the order of carboxylated MWCNTs > hydroxylated MWCNTs > MWCNTs without surface functional groups. The bacterial outer membrane permeability of SDBS-Cd+ elevated the bacterial outer membrane permeability, thus raising the combined toxicity of Cd 2+ and MWCNTs.

Source link: https://europepmc.org/article/PPR/PPR537297


Segmented structure design of carbon ring in-plane embedded in g-C3N4 nanotubes for ultra-high hydrogen production.

The photocatalytic water splitting capability of metal-free graphitribe photocatalyst is determined by its microstructure and photoexcited electron transfer. According to reports, the average hydrogen evolution rate of Cr-CN-NT hits 9245 bcmol, which is 61. 6 times faster than that of pristine CN, and Cr-CN-NT's astonishing quantum yield of Cr-CN-NT exceeds 12. 8 percent at 420 nm.

Source link: https://europepmc.org/article/MED/36031750


Exposure to dibutyl phthalate adsorbed to multi-walled carbon nanotubes causes neurotoxicity in mice by inducing the release of BDNF.

We're looking at whether DBP, an environmental hormone disruptor that CNTs can more easily cross the blood-brain barrier, and whether brain entry via DBP has neurotoxic effects on the cells in the brain. 40 male Kunming mice were randomly divided into four groups: the control group; the MWCNTs group; the DBP group; and the MWCNTs+DBP group. The number of neurons decreased, the nucleus was pyknotic, the cell body was atrophied, and the microglia marker Iba-1 increased in mouse brain tissue staining. MWCNTs with adsorbed DBP can cause the release of BDNF, boost neurogenesis, and reduce the number of nerve cells, which causes neuroinflammation and nervous system toxicity, according to the experimental findings.

Source link: https://europepmc.org/article/MED/36041608


Neonatal rat ventricular myocytes interfacing conductive polymers and carbon nanotubes.

Carbon nanotubes have introduced advanced products and a new way to more closely interface with electroresponsive cells, making them a promising new product and a new way to specifically interact with electroresponsive cells. We have tested CNT blends with two different conductive polymers, polypyrrole/CNT, and PEDOT/CNT to see the growth, and beating behavior of neonatal rat ventricular myocytes. In conclusion, the combination of CNT and CP ensures high viability and increases cardiac functionality, with great potential to provide scaffolding supports for cardiac tissue engineering.

Source link: https://europepmc.org/article/MED/36029423


Highly sensitive electrochemical detection of carbendazim residues in water by synergistic enhancement of nitrogen-doped carbon nanohorns and polyethyleneimine modified carbon nanotubes.

An electrochemical sensor based on nitrogen-doped carbon nanohorns and polyethyleneimine-modified carbon nanotubes was developed for the detection of CBZ content in water in our research. The results showed that N-doping produced the CN bonds for CNHs and improved the electrochemical reaction of N-CNHs surface, which improved the electrochemical reaction performance of the N-CNHs surface. The surface of CNTs had positively charged and contained a substantial number of NH bonds, which not only promoted electrostatic assembly of N-CNHs and PEI-CNTs but also enhanced CBZ.

Source link: https://europepmc.org/article/MED/36037905


Selective reduction of nitrite to nitrogen by polyaniline-carbon nanotubes composite at neutral pH.

To eliminate NO 2 - from polluted water and wastewater, chemical reduction selective reduction of nitrite to nitrogen by chemical reduction by chemical reductant is a viable option. After refurbishment with NaBH 4, the used PANI-CNTs could be reused. At an initial pH of 6. 8 with 93. 9% N2 selectivity. The conversion of imine nitrogen and amine nitrogen groups triggered NO2 reduction and PANI-CNT regeneration. This latest PANI-CNTs composite may have a lot of promise for water purification and wastewater denitrification.

Source link: https://europepmc.org/article/MED/36030923


Growth of multi-walled carbon nanotubes and carbon spheres on diatoms

The growing supply of carbon-based nanomaterials on diatoms has facilitated the environmentally friendly production of new materials suitable for energy storage. Here, we describe the growth control of multi-walled carbon nanotubes and carbon spheres on diatoms using cobalt ferrite and FeCo nanoparticles as catalysts. Carbon nanomaterials were obtained by the catalytic Chemical Vapor Deposition method at 750°u25e6C with acetylene as a carbon source at 750°u25e6C. Our results show that the MWCNTs were manufactured using the FeCo nanoparticles and the carbon spheres with CoFe2O4 nanoparticles as catalysts.

Source link: https://europepmc.org/article/PPR/PPR535533

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions