conjugated chain

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• Conjugated system — Cinnamaldehyde, a type of phenolic compound with a conjugated system …   Wikipedia

• conjugated system — ▪ chemistry       in a covalent chemical compound, a group or chain of atoms bearing valence electrons that are not engaged in single bond formation and that modify the behaviour of each other. If, for example, a carbonyl group (C ∶ O) and a… …   Universalium

• colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …   Universalium

• polymethine dye — noun : any of a class of dyes (as cyanines or merocyanines) characterized by a resonance structure containing a conjugated chain of carbon atoms that is at least in part an open chain [as in −CH( = CH−CH)n = ] attached to two polar atoms (as two… …   Useful english dictionary

• hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… …   Universalium

• Polythiophene — The monomer repeat unit of unsubstituted polythiophene …   Wikipedia

• protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… …   Universalium

• Trans fat — Types of fats in food Unsaturated fat Monounsaturated fat Polyunsaturated fat Trans fat Cis fat Omega fatty acids: ω−3 ω−6 ω−9 Saturated fat Interesterified fat See also Fatty acid …   Wikipedia

• chemical compound — Introduction  any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element).       All the matter in the universe is composed of the atoms of more than 100 different chemical elements …   Universalium

• Bilirubin — Bilirubin …   Wikipedia

• heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… …   Universalium