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2-DG has been used as a targeted optical imaging agent for fluorescent in vivo imaging. [12] [13] In clinical medical imaging (PET scanning), fluorodeoxyglucose is used, where one of the 2-hydrogens of 2-deoxy-D-glucose is replaced with the positron-emitting isotope fluorine-18, which emits paired gamma rays, allowing distribution of the tracer to be imaged by external gamma camera(s).
Fischer projection of D-Glyceraldehyde.Projection of a tetrahedral molecule onto a planar surface. Visualizing a Fischer projection. In chemistry, the Fischer projection, devised by Emil Fischer in 1891, is a two-dimensional representation of a three-dimensional organic molecule by projection.
Deoxyribose, or more precisely 2-deoxyribose, is a monosaccharide with idealized formula H−(C=O)−(CH 2)−(CHOH) 3 −H. Its name indicates that it is a deoxy sugar, meaning that it is derived from the sugar ribose by loss of a hydroxy group. Discovered in 1929 by Phoebus Levene, [4] deoxyribose is most notable for its presence in DNA.
Deoxyglucose may refer to: 1,5-Anhydroglucitol (1-deoxyglucose) 2-Deoxy-D-glucose (2-deoxyglucose) This page was last edited on 5 February ...
In the case of saccharides, when drawn in the Fischer projection the erythro isomer has two identical substituents on the same side and the threo isomer has them on opposite sides. [7] When drawn as a zig-zag chain, the erythro isomer has two identical substituents on different sides of the plane (anti).
English: Structure of D-2-phosphoglycerate in Fischer projection. Date: 20 April 2007: Source: Own work: Author: NEUROtiker: Public domain Public domain false false:
As is depicted in a Fischer projection of d-threose, the adjacent substituents will have a syn orientation in the isomer referred to as "threo", and are anti in the isomer referred to as "erythro". [3] [4] Fischer projections depicting the two enantiomers of threose
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