Graphene Oxide and Lipid Membranes : Size-Dependent Interactions

We have investigated the interaction of graphene oxide (GO) sheets with supported lipid membranes with focus on how the interaction depends on GO sheet size (three samples in the range of 90-5000 nm) and how it differs between small and large liposomes. The layer-by-layer assembly of these materials...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 32(2016), 11 vom: 22. März, Seite 2708-17
1. Verfasser: Frost, Rickard (VerfasserIn)
Weitere Verfasser: Svedhem, Sofia, Langhammer, Christoph, Kasemo, Bengt
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't 1-palmitoyl-2-oleyl-sn-glycero-3-ethylphosphocholine Liposomes Palmitic Acids Phosphatidylcholines Silicon Dioxide 7631-86-9 Graphite 7782-42-5 mehr... Choline N91BDP6H0X 1-palmitoyl-2-oleoylphosphatidylcholine TE895536Y5
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520 |a We have investigated the interaction of graphene oxide (GO) sheets with supported lipid membranes with focus on how the interaction depends on GO sheet size (three samples in the range of 90-5000 nm) and how it differs between small and large liposomes. The layer-by-layer assembly of these materials into multilamellar structures, as discovered in our previous research, is now further explored. The interaction processes were monitored by two complementary, real time, surface-sensitive analytical techniques: quartz crystal microbalance with dissipation monitoring (QCM-D, electroacoustic sensing) and indirect nanoplasmonic sensing (INPS, optical sensing). The results show that the sizes of each of the two components, graphene oxide and liposomes, are important parameters affecting the resulting multilayer structures. Spontaneous liposome rupture onto graphene oxide is obtained for large lateral dimensions of the graphene oxide sheets 
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700 1 |a Svedhem, Sofia  |e verfasserin  |4 aut 
700 1 |a Langhammer, Christoph  |e verfasserin  |4 aut 
700 1 |a Kasemo, Bengt  |e verfasserin  |4 aut 
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