conjugated double bonds

con·ju·gat·ed dou·ble bonds

two or more double bond separated by each single bond.

con·ju·gat·ed dou·ble bonds

(kon'jŭ-gā-tĕd dŭb'ĕl bondz)

Two or more double bonds separated by each single bond.

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References in periodicals archive ?

The conjugated double bonds and N, O, S atoms in the organic molecules help to form p-d bonds between the inhibitor and metal resulting from overlap of p-electrons to the 3d vacant orbital of metal atoms, which can enhance the adsorption of the inhibitors on the metal surface [10].

Synthesis and Application of a Benzotriazole Mannich Base as Effective Corrosion Inhibitor for N80 Steel in High Concentrated HCl

Tung oil dries rapidly but it discolors rapidly due to the presence of the three conjugated double bonds, and it is expensive.

Modified soybean oil as a reactive diluent: coating performance

The ability of carotenoids to quench singlet oxygen has been linked to the conjugated double bond system, the maximum efficiency being shown by carotenoids with nine or more conjugated double bonds (Foote et al.

Simultaneous spectrophotometry determination of lycopene and beta-carotene concentrations in carotenoid mixtures of the extracts from tomatoes, papaya and orange juice

Some of the earliest commercial anodic ED coatings were automotive primers based on natural oils with conjugated double bonds (such as dehydrated castor oil and linseed oil) that were reacted with maleic anhydride.

Electrodeposition of coatings--anodic ED

This suggests that the conjugated double bonds became longer in the order [N.

Effect of the nucleophilicity and solvent on the chemical modification of flexible poly(vinyl chloride) by substitution

Although lutein and zeaxanthin have the same number of double bonds, zeaxanthin has 11 conjugated double bonds but lutein's eleventh double bond forms a more chemically reactive allylic hydroxyl end group.

Macular pigment--origin, function and clinical value

Conjugated linoleic acids (CLA), a mixture of positional and geometric isomers of octadecadienoic acid with conjugated double bonds, have a range of potent health effects, including suppression of carcinogenesis (Ip et al.

Effects of soybean oil or rumen protected conjugated linoleic acid supplementation on accumulation of conjugated linoleic acid in dairy cows' milk

Similar oxygen-pressure-dependent behavior may be shown by other compounds containing many conjugated double bonds.

Carotene and vitamin E: the antioxidant paradox

The values of the determiant of the distance matrixes of the polyenes (I) increase with the number of conjugated double bonds.

Quantitative structural relationship between Randic indices, adjacency matrixes, distance matrixes and Dewar resonance energy of linear simple conjugated polyene compounds

For tung oil, with mostly conjugated double bonds from eleostearic acid (~ 77-82 percent eleostearic acid), the rate of autoxidation is much higher than that observed in linolenic acid, due to the conjugation.

Seeds of change: the growing trend of producing biodegradable polymers from oilseed crops

The compounds' long tails contain conjugated double bonds that protect green plants' cellular components from harmful byproducts of oxygen production during photosynthesis.

Increase carotenoid content of potatoes for use in baking

In the two polymerization processes, NMR analyses confirmed that the reaction occurred involving both the terminal acrylic double bond and the conjugated double bonds of the aliphatic chain.

Incorporation of an acrylic fatty acid derivative as comonomer for oxidative cure in acrylic latex