| / English Dictionary |
GALLIUM
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores
Synonyms:
atomic number 31; Ga; gallium
Classified under:
Hypernyms ("gallium" is a kind of...):
metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
Holonyms ("gallium" is a substance of...):
bauxite (a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst)
Context examples:
Gallium Ga 68-DOTANOC is a conjugate of the somatostatin analogue Nal3-octreotide (NOC) and gallium Ga 68-labeled 1,4,7,10-tetraazacyclododecane-N,N',N'',N'''-tetraacetic acid (DOTA).
(Gallium Ga 68-DOTANOC, NCI Thesaurus)
As such, packets of charge don’t move nearly as fast as they do in semiconductors like silicon or gallium arsenide, both of which have a highly ordered crystalline structure.
(Certain organic semiconducting materials can transport spin faster than they conduct charge, University of Cambridge)
A radiolabeled divalent histamine-succinyl-glycine (HSG) hapten-peptide linked with the macrocyclic chelator 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA) to the radionuclide gallium (Ga) 68 with potential use in diagnostic imaging.
(Gallium Ga 68-labeled DOTA Di-HSG Peptide IMP-288, NCI Thesaurus)
An instrument that combines the use of a focused beam of gallium ions to etch or coat a sample with a scanning electron microscope to image the sample.
(Focused Ion Beam-Scanning Electron Microscope, NCI Thesaurus)
A nuclear imaging procedure in which gallium-67 is used as the radiopharmaceutical.
(Gallium scan, NCI Thesaurus)
The gallium is taken up by rapidly dividing cells in the bones, tissues, and organs and is detected by a scanner.
(Gallium scan, NCI Dictionary)
Although the mechanism is unknown, gallium Ga 67 concentrates in lysosomes and is bound to a soluble intracellular protein in certain viable primary and metastatic tumors and focal sites of inflammation, allowing scintigraphic localization.
(Gallium Citrate Ga-67, NCI Thesaurus)
A gallium Ga 68-radiolabeled analogue of somatostatin that may be used in conjunction with positron emission tomography (PET) to image neuroendocrine tumors and metastases.
(Gallium Ga 68-DOTANOC, NCI Thesaurus)
Gallium nitrate localizes preferentially to areas of bone resorption and remodeling and inhibits osteoclast-mediated resorption by enhancing hydroxyapatite crystallization and reduction of bone mineral solubility.
(Gallium nitrate, NCI Thesaurus)
A radiopharmaceutical agent comprised of a pegylated arginine-glycine-aspartic acid dimer (PRGD2) labeled with gallium Ga 68, with potential alphaVbeta3 integrin imaging activity upon positron emission topography (PET) or single photon emission computed tomography (SPECT).
(Gallium Ga 68-labeled BNOTA-PRGD2, NCI Thesaurus)
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