Record Information |
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Version | 5.0 |
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Status | Detected and Quantified |
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Creation Date | 2006-08-16 13:16:24 UTC |
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Update Date | 2022-03-07 02:49:09 UTC |
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HMDB ID | HMDB0001327 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Rubidium |
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Description | Rubidium is a soft, silvery-white metallic element of the alkali metal group, present in traces amounts in human tissues and fluids. Rb-87, a naturally occurring isotope, is (slightly) radioactive. Rubidium is very soft and highly reactive, with properties similar to other elements in group 1, like rapid oxidation in air. Rubidium, particularly 87Rb, in the form of vapor, is one of the most commonly-used atomic species employed for laser cooling and Bose-Einstein condensation. Its desirable features for this application include the ready availability of inexpensive diode laser light at the relevant wavelength, and the moderate temperatures required to obtain substantial vapor pressures. Physiologically, it exists as an ion in the body. It has been found slightly increased in neoplastic human breast tissues obtained from patients at the time of mastectomy, compared to normal tissue. (PMID: 6488192 , 15820728 , 7324778 , 9630429 , 577330 ). |
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Structure | |
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Synonyms | Value | Source |
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RB(+) | ChEBI | Rb+ | ChEBI | RUBIDIUM ion | ChEBI | Rubidium(1+) | Kegg | Rubidium + | HMDB | Rubidium | HMDB |
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Chemical Formula | Rb |
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Average Molecular Weight | 85.4678 |
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Monoisotopic Molecular Weight | 84.911789341 |
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IUPAC Name | rubidium(1+) ion |
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Traditional Name | rubidium(1+) ion |
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CAS Registry Number | 7440-17-7 |
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SMILES | [Rb+] |
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InChI Identifier | InChI=1S/Rb/q+1 |
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InChI Key | NCCSSGKUIKYAJD-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of inorganic compounds known as homogeneous alkali metal compounds. These are inorganic compounds containing only metal atoms,with the largest atom being a alkali metal atom. |
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Kingdom | Inorganic compounds |
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Super Class | Homogeneous metal compounds |
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Class | Homogeneous alkali metal compounds |
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Sub Class | Not Available |
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Direct Parent | Homogeneous alkali metal compounds |
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Alternative Parents | Not Available |
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Substituents | |
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Molecular Framework | Not Available |
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External Descriptors | |
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Ontology |
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Physiological effect | Not Available |
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Disposition | Biological locationSourceExogenousFoodNutFruitVegetablePulseHerb and spiceGourdMilk and milk productUnfermented milk- Milk (Cow) (FooDB: FOOD00618)
- Cow milk, pasteurized, vitamin A + D added, 0% fat (FooDB: FOOD00889)
- Cow milk, pasteurized, vitamin A + D added, 1% fat (FooDB: FOOD00890)
- Cow milk, pasteurized, vitamin A + D added, 2% fat (FooDB: FOOD00891)
- Cow milk, pasteurized, vitamin D added, 3.25% fat (FooDB: FOOD00892)
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Process | Not Available |
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Role | Not Available |
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Physical Properties |
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State | Solid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | 39 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatized |
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Spectra |
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| MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Rubidium 10V, Positive-QTOF | splash10-001i-9000000000-ddf16821b4f8d12eb757 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Rubidium 20V, Positive-QTOF | splash10-001i-9000000000-ddf16821b4f8d12eb757 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Rubidium 40V, Positive-QTOF | splash10-001i-9000000000-ddf16821b4f8d12eb757 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Rubidium 10V, Positive-QTOF | splash10-001i-9000000000-8be68b59717be150de6f | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Rubidium 20V, Positive-QTOF | splash10-001i-9000000000-8be68b59717be150de6f | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Rubidium 40V, Positive-QTOF | splash10-001i-9000000000-8be68b59717be150de6f | 2021-09-22 | Wishart Lab | View Spectrum |
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Biological Properties |
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Cellular Locations | Not Available |
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Biospecimen Locations | - Blood
- Cerebrospinal Fluid (CSF)
- Saliva
- Urine
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Tissue Locations | Not Available |
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Pathways | |
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Normal Concentrations |
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Blood | Detected and Quantified | 1.17-3.18 uM | Adult (>18 years old) | Both | Normal | | details | Blood | Expected but not Quantified | Not Quantified | Not Available | Not Available | Normal | | details | Cerebrospinal Fluid (CSF) | Detected and Quantified | 0.499 +/- 0.097 uM | Adult (>18 years old) | Not Specified | Normal | | details | Saliva | Detected and Quantified | 8.047 +/- 3.15 uM | Adult (>18 years old) | Both | Normal | | details | Saliva | Detected and Quantified | 0.751 +/- 0.143 uM | Adult (>18 years old) | Male | Normal | | details | Saliva | Detected and Quantified | 0.808 +/- 0.233 uM | Adult (>18 years old) | Male | Normal | | details | Saliva | Detected and Quantified | 0.808 +/- 0.233 uM | Adult (>18 years old) | Male | Normal | | details | Saliva | Detected and Quantified | 0.736 +/- 0.157 uM | Adult (>18 years old) | Male | Normal | | details | Urine | Detected and Quantified | 1.354 (0.187-3.673) umol/mmol creatinine | Adult (>18 years old) | Both | Normal | | details | Urine | Detected and Quantified | 1.84 +/- 0.46 umol/mmol creatinine | Adult (>18 years old) | Both | Normal | - Geigy Scientific ...
- West Cadwell, N.J...
- Basel, Switzerlan...
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Abnormal Concentrations |
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| Not Available |
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Associated Disorders and Diseases |
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Disease References | None |
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Associated OMIM IDs | None |
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External Links |
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DrugBank ID | Not Available |
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Phenol Explorer Compound ID | Not Available |
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FooDB ID | FDB003783 |
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KNApSAcK ID | Not Available |
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Chemspider ID | 94865 |
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KEGG Compound ID | C17061 |
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BioCyc ID | Not Available |
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BiGG ID | Not Available |
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Wikipedia Link | Rubidium |
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METLIN ID | Not Available |
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PubChem Compound | 105153 |
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PDB ID | Not Available |
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ChEBI ID | 49847 |
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Food Biomarker Ontology | Not Available |
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VMH ID | Not Available |
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MarkerDB ID | Not Available |
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Good Scents ID | Not Available |
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References |
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Synthesis Reference | Not Available |
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Material Safety Data Sheet (MSDS) | Not Available |
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General References | - Rizk SL, Sky-Peck HH: Comparison between concentrations of trace elements in normal and neoplastic human breast tissue. Cancer Res. 1984 Nov;44(11):5390-4. [PubMed:6488192 ]
- Barany E, Bergdahl IA, Bratteby LE, Lundh T, Samuelson G, Skerfving S, Oskarsson A: Iron status influences trace element levels in human blood and serum. Environ Res. 2005 Jun;98(2):215-23. [PubMed:15820728 ]
- Meurling S, Plantin LO: The concentrations of trace elements in blood from healthy newborn infants. Acta Chir Scand. 1981;147(6):481-5. [PubMed:7324778 ]
- Cornett CR, Ehmann WD, Wekstein DR, Markesbery WR: Trace elements in Alzheimer's disease pituitary glands. Biol Trace Elem Res. 1998 Apr-May;62(1-2):107-14. [PubMed:9630429 ]
- Hagenfeldt K, Landgren BM, Plantin LO, Diczfalusy E: Trace elements in the human endometrium and decidua. A multielement analysis. Acta Endocrinol (Copenh). 1977 Jun;85(2):406-14. [PubMed:577330 ]
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