Protein diffusion in a bicontinuous microemulsion: inducing sub-diffusion by tuning the water domain size

Neubauer R, Hoehn S, Dulle M, Lapp A, Schulreich C, Hellweg T (2017)
SOFT MATTER 13(10): 1998-2003.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
We study the diffusion of an enhanced green fluorescent protein (GFP+) in bicontinuous sugarsurfactant based microemulsions. The size of the water domains in such systems is controlled by changes of the oil-to-water ratio. Hence, microemulsions allow to produce confinement effects in a controlled way. At high water content the protein is found to exhibit Fickian diffusion. Decreasing the water domain size leads to a slowing down of the protein diffusion and sub-diffusive behavior is obtained on the scale observed by fluorescence correlation spectroscopy. Further decrease of the water domain size finally nearly fixes the GFP+ in these domains and forces it to increasingly follow the breathing mode of the microemulsion matrix.
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Zeitschriftentitel
SOFT MATTER
Band
13
Zeitschriftennummer
10
Seite
1998-2003
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Neubauer R, Hoehn S, Dulle M, Lapp A, Schulreich C, Hellweg T. Protein diffusion in a bicontinuous microemulsion: inducing sub-diffusion by tuning the water domain size. SOFT MATTER. 2017;13(10):1998-2003.
Neubauer, R., Hoehn, S., Dulle, M., Lapp, A., Schulreich, C., & Hellweg, T. (2017). Protein diffusion in a bicontinuous microemulsion: inducing sub-diffusion by tuning the water domain size. SOFT MATTER, 13(10), 1998-2003. doi:10.1039/c6sm02107g
Neubauer, R., Hoehn, S., Dulle, M., Lapp, A., Schulreich, C., and Hellweg, T. (2017). Protein diffusion in a bicontinuous microemulsion: inducing sub-diffusion by tuning the water domain size. SOFT MATTER 13, 1998-2003.
Neubauer, R., et al., 2017. Protein diffusion in a bicontinuous microemulsion: inducing sub-diffusion by tuning the water domain size. SOFT MATTER, 13(10), p 1998-2003.
R. Neubauer, et al., “Protein diffusion in a bicontinuous microemulsion: inducing sub-diffusion by tuning the water domain size”, SOFT MATTER, vol. 13, 2017, pp. 1998-2003.
Neubauer, R., Hoehn, S., Dulle, M., Lapp, A., Schulreich, C., Hellweg, T.: Protein diffusion in a bicontinuous microemulsion: inducing sub-diffusion by tuning the water domain size. SOFT MATTER. 13, 1998-2003 (2017).
Neubauer, Ralph, Hoehn, Sebastian, Dulle, Martin, Lapp, Alain, Schulreich, Christoph, and Hellweg, Thomas. “Protein diffusion in a bicontinuous microemulsion: inducing sub-diffusion by tuning the water domain size”. SOFT MATTER 13.10 (2017): 1998-2003.

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Nanoscopic dynamics of bicontinous microemulsions: effect of membrane associated protein.
Sharma VK, Hayes DG, Urban VS, O'Neill HM, Tyagi M, Mamontov E., Soft Matter 13(28), 2017
PMID: 28631792

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