This title appears in the Scientific Report :
2010
Please use the identifier:
http://dx.doi.org/10.1209/0295-5075/89/28003 in citations.
Inferring spatial organization of bonds within adhesion clusters by exploiting fluctuations of soft interfaces
Inferring spatial organization of bonds within adhesion clusters by exploiting fluctuations of soft interfaces
Detecting the organization of bonds within adhesion domains connecting two interacting membranes is, at present, extremely challenging. Herein we present a technique, based on Reflection Interference Contrast Microscopy, which uses spontaneous thermal fluctuations of a soft interface as a tool to id...
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Personal Name(s): | Smith, A.-S. |
---|---|
Fenz, S.F. / Sengupta, K. | |
Contributing Institute: |
Biomechanik; IBN-4 |
Published in: | epl, 89 (2010) S. 28003 |
Imprint: |
Les Ulis
EDP Sciences
2010
|
Physical Description: |
28003 |
DOI: |
10.1209/0295-5075/89/28003 |
Document Type: |
Journal Article |
Research Program: |
BioSoft: Makromolekulare Systeme und biologische Informationsverarbeitung |
Series Title: |
EPL : a Letters Journal Exploring the Frontiers of Physics
89 |
Subject (ZB): | |
Publikationsportal JuSER |
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520 | |a Detecting the organization of bonds within adhesion domains connecting two interacting membranes is, at present, extremely challenging. Herein we present a technique, based on Reflection Interference Contrast Microscopy, which uses spontaneous thermal fluctuations of a soft interface as a tool to identify the organization of specific ligand-receptor bonds. The key is a time-resolved analysis of micro-interferometric data that systematically quantifies fluctuations and enables the detection of their suppression due to the formation of bonds, which, in turn, allows the identification of the bond organization without the use of fluorescent labelling. The identification of a new type of bond organization characterized by sparsely distributed bonds, as well as detection of pinning centres of nanometric size is presented. Copyright (C) EPLA, 2010 | ||
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500 | |a We are grateful to S. GONNENWEIN for giving access to her data (figs. 1 and 4). We thank R. Merkel, E. SACKMANN, U. SEIFERT, C. MONZEL and L. LIMOZIN for stimulating discussions and R. Merkel for careful reading of the manuscript. A-SS was funded by DFG-SE 1119/2-1. KS and SFF thank R. MERKEL for support. | ||
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