Abstract
Via imaging ellipsometry, we study the phase transition dynamics induced by selective gelation of one component in a binary supported phopholipid bilayer. We find the modulation of two attendant morphological features: emergence of extended defect chains due to a net change in the molecular areas and fractal-like domains suggesting weak line tension. A time-lapse analysis of the ellipsometric images reveals the cluster size of 4-20 molecules undergoing gelation indicating weak cooperativity. These results demonstrate the use of ellipsometry for in situ, label-free, non-contact, and large-area imaging of dynamics in interfacial films.
Original language | English (US) |
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Pages (from-to) | 1161-1164 |
Number of pages | 4 |
Journal | Soft Matter |
Volume | 4 |
Issue number | 6 |
DOIs | |
State | Published - 2008 |
Externally published | Yes |
ASJC Scopus subject areas
- General Chemistry
- Condensed Matter Physics