Repulsive interactions of a lipid membrane with graphene in composite materials

Phan, Anh D.; Hoang, Trinh Xuan; Phan, The‐Long; Woods, Lilia M.

doi:10.1063/1.4828939

Cited by 6 publications

(5 citation statements)

References 39 publications

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“…Graphene‐related nanomaterials are believed to have great potential in applications in the fields of biology and biomedicine (Liu et al, , ; Sanchez et al, ; Sun et al, ; Wang et al, ; Yi and Gao, ), and have been used for biosensors (Ali et al, ; Ang et al, ; Liu et al, ; Qing et al, ), antibacterials (Dallavalle et al, ; Duan et al, ; Li et al, ; Mao et al, ; Pham et al, ; Pykal et al, ; Tu et al, ), bioimaging (Qian et al, ; Shi et al, ; Sun et al, ; Wang et al, ), regulation of cell growth and differentiation (Lee et al, ; Ruiz et al, ). Recently, the interaction between graphene oxide (GO) and cell membranes, including supported lipid bilayers (SLBs), has become the focus of many researchers (Frost et al, ; Furukawa and Hibino, ; Lei et al, ; Li et al, a,b; Okamoto et al, ; Phan et al, ; Rui et al, ; Wu et al, ) not only because cell membrane is the first barrier when GO interacts with intracellular components, but also it can provide us valuable information on physicochemical nature of GO. In terms of the structure, GO is a highly oxidized form of graphene, which retains the hydrophobic sp2‐hybridized domains, as well as the hydrophilic sp3‐hybridized groups including C–OH, C–O–C, and –COOH (Andre Mkhoyan et al, ; Boukhvalov and Katsnelson, ; Dreyer et al, ; Erickson et al, ).…”

Section: Introductionmentioning

confidence: 99%

Strong hydrophobic interaction between graphene oxide and supported lipid bilayers revealed by AFM

Lei

Zhang

et al. 2016

Microscopy Res & Technique

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Understanding the interaction between graphene oxide (GO) and lipid membranes is of great importance for its various applications in biotechnology. Here, we investigated the interaction between GO and charged supported lipid bilayers (SLBs) by in situ atomic force microscope (AFM) imaging. It was found that GO could peel off a single layer of positively charged SLBs and deposited on the hydrophobic part of the remaining sublayer. Then free lipid molecules would assemble on GO surface and formed 1.5 bilayers in a lipid-GO-lipid manner. For negatively charged lipid bilayers, however, GO deposited to the SLBs only when its concentration was very high. These results indicate that, in addition to electrostatic interaction, the hydrophobic interaction plays an important role when GO sheets deposit onto the charged lipid bilayers, and should be helpful to understand possible cytotoxicity and antibiosis of graphene-related nanomaterials. Microsc. Res. Tech. 79:721-726, 2016. © 2016 Wiley Periodicals, Inc.

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Section: Introductionmentioning

confidence: 99%

Strong hydrophobic interaction between graphene oxide and supported lipid bilayers revealed by AFM

Lei

Zhang

et al. 2016

Microscopy Res & Technique

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“…Liao et al concluded that the hemolytic activity of both GO and graphene damaged skin fibroblasts and human erythrocytes . Generally, GO sheets may encounter a cell membrane first when it is presented in a cell culture medium, and the interaction between GO and cell membranes has become the focus of much research. ,,− Therefore, systems containing GO and liposomes or solid-supported lipid bilayers are widely investigated either theoretically or experimentally as convenient and direct models. For instance, Frost et al reported that GO and lipid membranes can generate an altering multilayer structure through electrostatic interactions between GO and lipid headgroups .…”

Section: Introductionmentioning

confidence: 99%

“…Liu’s group systematically studied the interaction of GO with liposome and found that liposome can be absorbed on the side of GO; accordingly, a drug-delivery system was designed. , Furukawa et al reported that supported lipid bilayers (SLBs) cannot spread to the GO . By using molecular simulation methods, researchers have revealed on the molecular level that electrostatic and hydrophobic forces are the main interactions between GO and lipid membranes. ,− …”

Section: Introductionmentioning

confidence: 99%

Morphology Change and Detachment of Lipid Bilayers from the Mica Substrate Driven by Graphene Oxide Sheets

Lei

Zhou

et al. 2014

Langmuir

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Understanding the interaction between graphene oxide (GO) and a lipid membrane is significant for exploring the biocompatibility and cytotoxicity of GO, which is the basis for utilizing GO in the fields of biosensors, bioimaging, drug delivery, antibacterials, and so on. In this article, we monitored the dynamic process of the morphology change and detachment of lipid bilayers on mica substrates prompted by GO sheets by in situ atomic force microscope (AFM) imaging. It was found that the bare lipid bilayer dramatically expanded in height and would be unstable and detachable from the mica substrates as induced by GO. The detached lipid molecules were found to bind to the GO surface. The results also imply that GO is likely to influence the height and stability of the supported lipid bilayers (SLBs) by adsorbing metal ions such as calcium ions that were used to stabilize the bilayer structures on the mica substrate. These findings illustrate a complicated effect of GO on the SLBs and should be helpful in future applications of GO in biotechnology.

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“…These systems are especially appealing since graphene possesses unique mechanical, electrical, and optical properties [25]. Recently, dispersive interactions between graphene sheets and/or material planes have been investigated [26][27][28][29][30][31][32][33][34][35][36][37][38][39], as well as the Casimir-Polder interaction between atoms and graphene [40][41][42][43][44][45]. In particular, the impact of a graphene coating on the atom-plate interaction has been calculated for different atomic species and substrates; in some cases this results in modifications of the order of 20% in the strength of the interaction [44].…”

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confidence: 99%

Tuning the Casimir-Polder interaction via magneto-optical effects in graphene

Cysne¹,

Kort-Kamp²,

Oliver³

et al. 2014

Phys. Rev. A

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We investigate the dispersive Casimir-Polder interaction between a rubidium atom and a suspended graphene sheet subjected to an external magnetic field B. We demonstrate that this concrete physical system allows for an unprecedented control of dispersive interactions at micro-and nanoscales. Indeed, we show that the application of an external magnetic field can induce an 80% reduction in the Casimir-Polder energy relative to its value without the field. We also show that sharp discontinuities emerge in the Casimir-Polder interaction energy for certain values of the applied magnetic field at low temperatures. Moreover, for sufficiently large distances, these discontinuities show up as a plateau-like pattern with a quantized Casimir-Polder interaction energy, in a phenomenon that can be explained in terms of the quantum Hall effect. In addition, we point out the importance of thermal effects in the Casimir-Polder interaction, which we show must be taken into account even for considerably short distances. In this case, the discontinuities in the atom-graphene dispersive interaction do not occur, which by no means prevents the tuning of the interaction in ∼50% by the application of the external magnetic field.

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Repulsive interactions of a lipid membrane with graphene in composite materials

Cited by 6 publications

References 39 publications

Strong hydrophobic interaction between graphene oxide and supported lipid bilayers revealed by AFM

Strong hydrophobic interaction between graphene oxide and supported lipid bilayers revealed by AFM

Morphology Change and Detachment of Lipid Bilayers from the Mica Substrate Driven by Graphene Oxide Sheets

Tuning the Casimir-Polder interaction via magneto-optical effects in graphene

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