Mean-field description of spinodal growth of surface waves on rupturing films

Wang, Yongjian; Tsui, Ophelia Kwan Chui

doi:10.1016/j.jnoncrysol.2006.01.152

Cited by 11 publications

(18 citation statements)

References 36 publications

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“…This suggested the existence of height undulation of the ordered phase even at this low temperature. These undulations of the ordered domains became more pronounced at 108C (data not shown) and spinodal decomposition waves (Wang and Tsui, 2006) up to 50 nm in height were observed at 158C ( Figure 3C). The corresponding deflection image ( Figure 3D) showed that surface roughness was practically exclusively associated with the bump in macroripple higher surface tension structures, that is, the ordered domains.…”

Section: Biap Distribution Between Ordered and Fluid Domainsmentioning

confidence: 90%

Temperature‐dependent localization of GPI‐anchored intestinal alkaline phosphatase in model rafts

Giocondi

Besson

Dosset

et al. 2007

J of Molecular Recognition

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In plasma membranes, most of glycosylphosphatidylinositol (GPI)-anchored proteins would be associated with rafts, a category of ordered microdomains enriched in sphingolipids and cholesterol (Ch). They would be also concentrated in the detergent resistant membranes (DRMs), a plasma membrane fraction extracted at low temperature. Preferential localization of GPI-anchored proteins in these membrane domains is essentially governed by their high lipid order, as compared to their environment. Changes in the temperature are expected to modify the membrane lipid order, suggesting that they could affect the distribution of GPI-anchored proteins between membrane domains. Validity of this hypothesis was examined by investigating the temperature-dependent localization of the GPI-anchored bovine intestinal alkaline phophatase (BIAP) into model raft made of palmitoyloleoylphosphatidylcholine/sphingomyelin/cholesterol (POPC/SM/Chl) supported membranes. Atomic force microscopy (AFM) shows that the inserted BIAP is localized in the SM/Chl enriched ordered domains at low temperature. Above 30 degrees C, BIAP redistributes and is present in both the 'fluid' POPC enriched and the ordered SM/Chl domains. These data strongly suggest that in cells the composition of plasma membrane domains at low temperature differs from that at physiological temperature.

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Section: Biap Distribution Between Ordered and Fluid Domainsmentioning

confidence: 90%

Temperature‐dependent localization of GPI‐anchored intestinal alkaline phosphatase in model rafts

Giocondi

Besson

Dosset

et al. 2007

J of Molecular Recognition

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“…8a). Only very close to this point, the height of the potential barrier vanishes, and homogeneous nucleation by thermal activation is possible [68,45,69]. However, nucleation can as well, and usually does, proceed by means of localized defects in the film.…”

Section: Experiments: Linking the Effective Interface Potential To Ma...mentioning

confidence: 98%

“…Only very close to this point, the height of the potential barrier vanishes, and homogeneous nucleation by thermal activation is possible. 45,68,69 However, nucleation can as well, and usually does, proceed by means of localized defects in the film. A defect, be it in the molecular texture of a polymeric film or just a small dust particle, may remove the potential barrier locally and thus induce dewetting.…”

Section: A) B) C) D)mentioning

confidence: 99%

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Stability and Dewetting of Thin Liquid Films

Jacobs

Seemann

Herminghaus

2008

Series in Soft Condensed Matter

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The stability of thin liquid coatings is of fundamental interest in everyday life. Homogeneous and non-volatile liquid coatings may dewet either by heterogeneous nucleation, thermal nucleation, or spinodal dewetting. Wetting and dewetting is explained on a fundamental level, including a discussion of relevant interactions. This chapter will also address the various dewetting scenarios and explain how the effective interface potential governs the behavior obtained for various stratified substrates and film thicknesses.

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“…8 For the films with GЉ͑h͒ Ͻ 0, ⌫͑q ʈ ͒ Ͼ 0 for the modes with q ʈ Ͻ ͑−GЉ / ␥͒ 1/2 . 10 Given Eq. ͑1͒, ⌫͑q ʈ ͒ Ͼ 0 means that ͉␦h͑q ʈ , t͉͒ 2 grows exponentially with time.…”

mentioning

confidence: 99%

Method to measure the viscosity of nanometer liquid films from the surface fluctuations

Yang

Lam

DiMasi

et al. 2009

Applied Physics Letters

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We describe a method to measure the viscosity of polystyrene liquid films with thicknesses ϳ5 and ϳ80 nm spin-cast on oxide-coated silicon. In this method, temporal evolution of the film surface is monitored and modeled according to the dynamics of the surface capillary waves. Viscosities obtained from the ϳ80 nm films display an excellent agreement with those of the bulk polymer, but those from the ϳ5 nm films are up to 10 6 times reduced. By modeling the data to the Vogel-Fulcher-Tammann relation, we find that the observations are consistent with the thickness dependence of the glass transition temperature previously reported of these films.

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Mean-field description of spinodal growth of surface waves on rupturing films

Cited by 11 publications

References 36 publications

Temperature‐dependent localization of GPI‐anchored intestinal alkaline phosphatase in model rafts

Temperature‐dependent localization of GPI‐anchored intestinal alkaline phosphatase in model rafts

Stability and Dewetting of Thin Liquid Films

Method to measure the viscosity of nanometer liquid films from the surface fluctuations

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