isomers


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Related to isomers: constitutional isomers, Optical isomers

isomers

Different (usually organic) compounds having the same molecular formula and relative molecular mass but some different properties, as they have different three-dimensional structures.
References in periodicals archive ?
Scientists and professionals working in nuclear-related areas can now quickly reference the properties of more than 4000 nuclides and isomers using their iPhones and iPads.
The raw xylene obtained contains the isomers ortho-, meta- and paraxylene as well as ethylbenzene.
Results showed that an innovative macular carotenoid formulation consisting of premium lutein and zeaxanthin isomers (Lutemax 2020) suppresses oxidative stress in tissue, can prevent free radicals from combining with retinal collagen and strengthens retinal collagen, significantly preventing reduction of retinal thickness.
WASHINGTON, May 20, 2014 /PRNewswire-USNewswire/ -- In a new paper in The Journal of Chemical Physics, produced by AIP Publishing, a research team in the United Kingdom and the United States describes how water molecules "caged" in fullerene spheres ("buckyballs") are providing a deeper insight into spin isomers -- varieties of a molecule that differ in their nuclear spin.
Isomers of these compounds are distinguished by the number and arrangement of methyl substituents attached to the chromanol ring.
1754) investigated the usefulness of an integrated computational systems biology approach in a case study involving isomers and metabolites of DDT (dichlorodiphenyl-trichloroethanc) to determine their possible links to relevant adverse effects.
In contrast, the percentage of the trans-1,4-diacrylate in the liquid phase was the lowest among the isomers (Table 9).
Then, the researchers predicted that using the quaternary centre, they could produce two intermediate isomers, or molecules with the same chemical formula but different structures.
1987), is a collective term which indicates geometric (cis, trans) and positional isomers (7,9; 8,10; 9,11; 10,12; 11,13; 12,14) of cis-9, cis-12-octadecadienoic acid (C18:2n-6) (Figure 1).
Mixed tocopherol isomers were less effective and prooxidative at the early stage of storage.
This study examined the short-term effects of 2 biologically active isomers of CLA (cis-9, traps-11 and traps-10, cis-12) on lipid-metabolizing genes and high-density lipoprotein (HDL) cholesterol production in cultured HepG2 cells.