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MB Sample ID: SA184599

Local Sample ID:B332pos
Subject ID:SU002039
Subject Type:Mammal
Subject Species:Mus musculus
Taxonomy ID:10090

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Sample Preparation:

Sampleprep ID:SP002045
Sampleprep Summary:50 µL of serum was used for metabolites extraction. 200 μL extract solution (acetonitrile: methanol = 1: 1) containing isotopically labeled internal standard mixture was added to each sample. After vortexing for 1 min, the samples were sonicated for 10 min in cold water bath. Then, the samples were incubated at -40 °C for 1 h, and centrifuged at 12000 rpm for 15 min at 4°C. 200 µL of supernatant were transferred to a fresh tube, and dried in a vacuum concentrator at 37 °C. Then, the dried samples were reconstituted in 200 µL of 50% acetonitrile by sonication on ice for 10 min. The constitution was then centrifuged at 13000 rpm for 15 min at 4°C, and 75 µL of supernatant were transferred to a fresh glass vial for LC/MS analysis.