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chirality |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.07 sec. |
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chirality [kī′ral·əd·ē] (chemistry) The handedness of an asymmetric molecule. (particle physics) The characteristic of particles of spin ½ ℏ that are allowed to have only one spin state with respect to an axis of quantization parallel to the particle's momentum; if the particle's spin is always parallel to its momentum, it has positive chirality; antiparallel, negative chirality. (physics) The characteristic of an object that cannot be superimposed upon its mirror image. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Furthermore, chemists often want to synthesize one of two possible mirror-image forms, or chiral molecules. Concern over possible or demonstrated negative side effects from one of the enantiomers has accelerated the effort to market single enantiomer or chiral pure drugs. On another front, biocatalysis provides major advantages over standard chemical syntheses, such as its use in producing chiral compounds with lower production costs than synthetic techniques. |
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