Surface tension and compression modulus anisotropies of a phospholipid monolayer spread on water and on formamide

Article Abstract:

A study was conducted to analyze the elastic characteristics of the low-temperature solid phase of a 1,2-distearoyl-sn-glycero-3-phophatidylcholine monolayer spread at the air-water and at the air-formamide interfaces. Experimental results indicated that the surface wave excitation method generated accurate measurements of the surface tension and of the monolayer compression modulus.

Monomolecular films, Surface tension

---

Dynamical heterogeneity in glassy o-terphenyl: Manifestation of environment changes in photoisomerization kinetics of probe molecules

Article Abstract:

A new method is described for investigating the dynamical heterogeneity in glassy mixtures by using an example of o-terphenyl (OTP). The dependence of isomerization quantum yield on light intensity is attributed to the change in the local environment of the probe molecules.

Analysis, Electric properties, Isomerization, Chemical properties

---

Rotational mobility of guest molecules in o-terphenyl below T(sub g)

Article Abstract:

An optical anisotropy decay technique for measuring probe rotational times in glassy materials is presented. The results show that below T(sub g)-9 K, the temperature dependence of rotation mobility was much weaker with activation energy of 70 plusmn 15 kJ/mol.

Science & research, Optical properties

Similar abstracts:

• Abstracts: A model system to study the insertion of cholesterol into a phospholipid monolayer. Effects of cholesterol on the properties of phospholipid membranes. 3. Local lateral structure
• Abstracts: Friction and adhesion hysteresis of fluorocarbon surfactant monolayer-coated surfaces measured with the surface forces apparatus
• Abstracts: Spacer-controlled aggregation and surface morphology of a selenacarbocyanine dye on gemini monolayers. Enhanced lubricity in mixed alkanethiol monolayers
• Abstracts: Solvent size effects on the depletion layer of a polymer solution near an interface. Controlled electrophoretic deposition of uniquely nanostructured star polymer films
• Abstracts: Sampling of rare events using hidden restraints. Quantitative model of electrochemical Ostwald ripening and its application to the time-dependent electrode potential of nanocrystalline metals

This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.