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MB Sample ID: SA138207
Local Sample ID: | 8 |
Subject ID: | SU001710 |
Subject Type: | Mammal |
Subject Species: | Mus musculus |
Taxonomy ID: | 10090 |
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Sample Preparation:
Sampleprep ID: | SP001716 |
Sampleprep Summary: | . Mouse urine samples (2.5 μL) were diluted with LC-MS grade water (5 μL) and mixed with internal standard (7.5 μL, d3-creatinine,1 mM; d9-phenylpropionic acid, 0.2 mM; 2,2-d2-hippuric acid, 0.2 mM), then 60 μL of extraction solvent containing reference standards (d7-glucose, d3-methionine, L-4-hydroxyphenyl-d4-alanine, d5-hippuric acid, d5-tryptophan, d3-leucine, di-n-octyl phthalate-3,4,5,6-d4, d19-decanoic acid, d15-octanoic acid, d27-tetradecanoic acid, 2-flurophenylglycine, d9-carnitine in methanol) was added to precipitate proteins. The solution was vortexed, then the plate was centrifuged at 15,000 x g for 5 min at 4 C. Supernatant (60 μL) was transferred to a new plate and 20 μL of each was diluted with 60 μL LC-MS grade water. Three procedure blanks were included using the same preparation method with LC-MS water (2.5 μL) instead of urine sample. Quality controls (QC) were pooled from each LC-MS ready sample. |