| diaster | <biology> A double star; applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter nuclei. See Karyokinesis. Origin: Gr. - = twice + star. Source: Websters Dictionary (01 Mar 1998) |
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| diastereoisomers | Optically active isomers that are not enantiomorphs (mirror images); e.g., d-glucose and d-galactose. (05 Mar 2000) |
| diastereomers | <chemistry> Optical isomers that are not mirror images of each other. (09 Jan 1998) |
| diastereoisomer |
Also diastereomer. A diastereoisomer is a molecule with more than one chiral centre in it, where if the chirality of one of the centres is changed, a different molecule is produced.
Ãâó: www.everyscience.com/Chemistry/Glossary/D.php
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| diaster |
amphiaster.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| diastereoisomerism |
the relationship between two or more stereoisomers whose molecules are not mirror images of each other, e.g., glucose and galactose or cis and trans isomers.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| diastereomer |
one of a group of compounds having a diastereoisomeric relationship.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| diastereoisomeric |
two non-superposable configurational units that correspond to the same constitutional unit (if they are not mirror images).
Ãâó: plc.cwru.edu/tutorial/enhanced/files/glossary/glos...
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