molecular association

molecular association

[mə′lek·yə·lər ə‚sō·sē′ā·shən]
(physical chemistry)
The formation of double molecules or polymolecules from a single species as a result of specific and moderately strong intermolecular forces.
References in periodicals archive ?
Jarvis, Molecular Association and Monolayer Formation of Soluble Phthalocyanine Compounds, Journal of the American Chemical Society, 106, 4706 (1984).
Here, researchers have developed new methods for exploiting weak interactions to control molecular association. They have also become world leaders in explaining how properties change as individual molecules assemble into larger structures.
These functions can be interpreted in the way that any change in their trend indicates a change in resistance of the film to compression force; that is, the points of slope change reveal the occurrence of molecular association. The values of the molecular interaction energies at these critical points are characteristic of the cohesion (association) energies of these molecules in two dimensions.
Addition of a small amount of DMF solution of 1 to water (DMF to water 1: 100 vol.%) resulted in strengthening of the long-wavelength band of the dye (Figure 5(a), curve 7), which cannot be explained by molecular association, since the molar extinction coefficient did not decrease there.
Determining the mechanism of molecular association makes it possible to predict the functional properties of cereal beta-glucans.
AFFINIX Series can analyze molecular association, dissociation, polymerization and decomposition, in label-free and real-time manner, by measuring resonant frequency change of a crystal oscillator.
It is interesting subject to measure various thermodynamic excess functions to obtain molecular association. A number of attempts to develop a quantitatively accurate and physically meaning explanation of solvent induced stretching vibration frequency shifts have been presented [1-4].
To prevent this, anionic groups are scattered throughout the granule to block molecular association through ionic repulsion as well as steric hindrance.
Prevalence, clinicopathologic characteristics, and molecular associations of EGFR exon 20 insertion mutations in East Asian patients with lung adenocarcinoma.
Balon, "Molecular associations of flavins with betacarbolines and related indoles," Bioorganic and Medicinal Chemistry, vol.
* Understanding of the micro-and nano-structures of materials which determine their morphological, mechanical, thermal, electronic, optical and transport properties; and the design, creation and processing of complex fluids and 'soft' solids derived from an understanding of the colloid science, rheology and molecular associations of the systems involved;
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