Glucose18

Glucose18 is not a standard term in chemical nomenclature or biochemistry. In published literature, the combination 'glucose18' may appear as informal shorthand or within project-specific naming conventions to indicate a glucose-derived compound that carries isotopic labeling or a numerical suffix. Because of this variance, the meaning of glucose18 is typically defined by the context of use rather than by a universal definition.

In radiochemistry and medical imaging contexts, a glucose molecule labeled with the isotope fluorine-18 would typically be described as 18F-labeled glucose or a derivative such as 18F-FDG (fluorodeoxyglucose). Although some sources might colloquially refer to such a compound as 'glucose18,' the standard nomenclature emphasizes the labeling isotope and position rather than a generic term.

In metabolic tracing and mass spectrometry studies, glucose molecules can be labeled with stable oxygen-18 (18O) or other isotopes to investigate pathways such as oxidation or oxygen exchange. In this usage, glucose18 would denote a specific isotopologue with 18O enrichment, detected by MS or NMR rather than PET imaging.

Outside chemical and biological contexts, glucose18 may appear as a code name or identifier in software, datasets, or industry projects unrelated to chemistry. In such cases, the exact meaning depends on the issuing organization and the project's naming conventions.

See also: glucose, isotopic labeling, 18F-FDG, FDG, radiotracer.