Large Rectification Effect of Single Graphene Nanopore Supported by PET Membrane

Yao, Huijun; Zeng, Jian; Zhai, Pengfei; Li, Zongzhen; Cheng, Yaxiong; Liu, Jiande; Mo, Dan; Duan, Jinglai; Wang, Lanxi; Sun, Yueming; Liu, Jie

doi:10.1021/acsami.6b16736

Cited by 31 publications

(29 citation statements)

References 61 publications

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“…Though there are carboxyl groups on the GO, GO did not perform high K + selectivity due to the distribution of carboxyl groups on GO. Single graphene nanopore loaded on PET membrane (G/PET nanopore) with high ionic flux and high ion selectivity was confirmed in the G/PET nanopore system [33].…”

Section: Nhmentioning

confidence: 90%

Carbon Nanoparticles Enhance Potassium Uptake via Upregulating Potassium Channel Expression and Imitating Biological Ion Channels in BY-2 Cells

Chen

Jiang

et al. 2019

Preprint

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Background: Carbon nanoparticles (CNPs) have been reported to boost plant growth, while CNPs enhancing potassium uptake for plant growth have not been reported so far.Results: In this study, the function of CNPs promoting potassium uptake in BY-2 cells was established and the potassium accumulation in cells has a significant correlation relationship with BY-2 cell fresh biomass. The K + accumulation in cells increased with the increasing concentration of CNPs. The K + influx reached high level after treatment with CNPs and exhibited significantly higher than the control group and the negative group treated with K + channels blocker, tetraethylammonium chloride (TEA + ). The K + accumulation was not reduced in the presence of CNPs inhibitors. In presence of the potassium channel blocker TEA + and the CNPs inhibitors, NKT1 expression was downregulated. The CNPs were found to preferentially transport K + than other cations determined by rectification of ion current assay (RIC) in a conical nanocapillary.Conclusions: These results indicated that CNPs upregulated potassium gene expression to enhance K + accumulation in BY-2 cells. Moreover, it was speculated that the CNPs simulated protein ion channels via bulk of carboxyl for K + permeating. These findings will provide support for improving plant growth by carbon nanoparticles.

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Section: Nhmentioning

confidence: 90%

Carbon Nanoparticles Enhance Potassium Uptake via Upregulating Potassium Channel Expression and Imitating Biological Ion Channels in BY-2 Cells

Chen

Jiang

et al. 2019

Preprint

View full text Add to dashboard Cite

show abstract

“…Though there are carboxyl groups on the GO, GO did not exhibit high K + selectivity due to the distribution of carboxyl groups. In addition, single graphene nanopore loaded on PET membrane (G/PET nanopore) with high ionic flux and high ion selectivity was confirmed in the G/PET nanopore system [33].…”

Section: Rectification Of Ion Current In Nanoporesmentioning

confidence: 91%

Carbon nanoparticles enhance potassium uptake via upregulating potassium channel expression and imitating biological ion channels in BY-2 cells

Chen

Jiang

et al. 2020

J Nanobiotechnol

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Background Carbon nanoparticles (CNPs) have been reported to boost plant growth, while the mechanism that CNPs enhanced potassium uptake for plant growth has not been reported so far. Results In this study, the function that CNPs promoted potassium uptake in BY-2 cells was established and the potassium accumulated in cells had a significant correlation with the fresh biomass of BY-2 cells. The K+ accumulation in cells increased with the increasing concentration of CNPs. The K+ influx reached high level after treatment with CNPs and was significantly higher than that of the control group and the negative group treated with K+ channels blocker, tetraethylammonium chloride (TEA+). The K+ accumulation was not reduced in the presence of CNPs inhibitors. In the presence of potassium channel blocker TEA+ or CNPs inhibitors, the NKT1 gene expression was changed compared with the control group. The CNPs were found to preferentially transport K+ than other cations determined by rectification of ion current assay (RIC) in a conical nanocapillary. Conclusions These results indicated that CNPs upregulated potassium gene expression to enhance K+ accumulation in BY-2 cells. Moreover, it was speculated that the CNPs simulated protein of ion channels via bulk of carboxyl for K+ permeating. These findings will provide support for improving plant growth by carbon nanoparticles.

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“…[59] Monolayer membranes made of graphene, MoS 2 , and BN have also been applied for controllable ion transport. For single-layer graphene, the 2D confined space [220] between the graphene layer and the single-crystal Pt (111) surface and the 1D single sub-nanometer pore [221][222][223] were both used to modulate ion transport. Karnik et al studied the diverse ion F I G U R E   Representative ultrathin membranes (e.g., sub-micrometer and monolayer membranes).…”

Section:  Ultrathin Membranesmentioning

confidence: 99%

Rational ion transport management mediated through membrane structures

et al. 2021

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Unique membrane structures endow membranes with controlled ion transport properties in both biological and artificial systems, and they have shown broad application prospects from industrial production to biological interfaces. Herein, current advances in nanochannel‐structured membranes for manipulating ion transport are reviewed from the perspective of membrane structures. First, the controllability of ion transport through ion selectivity, ion gating, ion rectification, and ion storage is introduced. Second, nanochannel‐structured membranes are highlighted according to the nanochannel dimensions, including single‐dimensional nanochannels (i.e., 1D, 2D, and 3D) functioning by the controllable geometrical parameters of 1D nanochannels, the adjustable interlayer spacing of 2D nanochannels, and the interconnected ion diffusion pathways of 3D nanochannels, and mixed‐dimensional nanochannels (i.e., 1D/1D, 1D/2D, 1D/3D, 2D/2D, 2D/3D, and 3D/3D) tuned through asymmetric factors (e.g., components, geometric parameters, and interface properties). Then, ultrathin membranes with short ion transport distances and sandwich‐like membranes with more delicate nanochannels and combination structures are reviewed, and stimulus‐responsive nanochannels are discussed. Construction methods for nanochannel‐structured membranes are briefly introduced, and a variety of applications of these membranes are summarized. Finally, future perspectives to developing nanochannel‐structured membranes with unique structures (e.g., combinations of external macro/micro/nanostructures and the internal nanochannel arrangement) for mediating ion transport are presented.

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Large Rectification Effect of Single Graphene Nanopore Supported by PET Membrane

Cited by 31 publications

References 61 publications

Carbon Nanoparticles Enhance Potassium Uptake via Upregulating Potassium Channel Expression and Imitating Biological Ion Channels in BY-2 Cells

Carbon Nanoparticles Enhance Potassium Uptake via Upregulating Potassium Channel Expression and Imitating Biological Ion Channels in BY-2 Cells

Carbon nanoparticles enhance potassium uptake via upregulating potassium channel expression and imitating biological ion channels in BY-2 cells

Rational ion transport management mediated through membrane structures

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