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colloidal gel


  • WordNet 3.6
    • n colloidal gel a colloid in a more solid form than a sol
    • ***


In literature:

No other condition than that of a colloidal gel could respond in this way to changes in water content.
"The Chemistry of Plant Life" by Roscoe Wilfred Thatcher
Freshly precipitated alumina hydrate is a colloid gel with very considerable adsorptive powers.
"Animal Proteins" by Hugh Garner Bennett
He employs the metals in a colloidal condition, either as hydrosol, organosol, gel, or colloidal suspension.
"Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6" by Various

In science:

Now, in the origins of life, unlike a chemically bonded thermally formed gel, a magnetic gel has the potential of reverting back to its colloidal components just like colloid − gel transitions pointed out in living systems (Trevors and Pollack 2005).
Magnetism, FeS colloids, and Origins of Life
His observations leading to a proposed formation mechanism center around the key role of the colloid-gel phase leading to the fractal forms.
Magnetism, FeS colloids, and Origins of Life
The interface evolved gradually from a colloidal FeS barrier to a single membrane and thence to more precipitating barriers of FeS gel membranes.
Magnetism, FeS colloids, and Origins of Life
This was perhaps important for a gradual build-up of scale-free clusters leading to the envisaged gel-environment. (As pointed out by Sawlowicz (2000) colloids often form more readily in dilute solutions – suspension as a sol– than in concentrated ones where heavy precipitates are likely to form).
Magnetism, FeS colloids, and Origins of Life
Statistical thermodynamics of association colloids. iii. the gel to liquid phase transition of lipid bilayer membranes. J.
Biological and synthetic membranes: What can be learned from a coarse-grained description?
The process of formation of an extended three-dimensional network of bonds connecting independent molecules, proteins or colloidal particles, is named gelation and the resulting material a gel [11, 12, 13].
Connecting Irreversible to Reversible Aggregation: Time and Temperature
Note that negatively-charged mineral greigite forming under mound conditions, where pH is well above 3 (Wilkins and Barnes 1997), resembles an aqueous-based ferrofluid. Significantly, the key to stabilizing its colloidal-gel state lies with organics (Rickard et al 2001).
Field-control, phase-transitions, and life's emergence