Metabolomics Workbench : NIH Data Repository

MB Sample ID: SA212413

Local Sample ID:	37898_Sk
Subject ID:	SU002314
Subject Type:	Mammal
Subject Species:	Mus musculus
Taxonomy ID:	10090
Genotype Strain:	C57BL6 and FVB mixed strain
Age Or Age Range:	54-59 weeks old
Gender:	Male and female
Animal Feed:	Specialty Feeds Irradiated Rat and Mouse Standard Chow Diet

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Sample Preparation:

Sampleprep ID:	SP002320
Sampleprep Summary:	600 µL of 3:1 methanol/water (containing 13C6 Sorbitol & 13C5, 15N Valine as internal standards) was added to the samples and cryomilled for 45 sec x 3 at 6800 rpm. 480 µL of the homogenate was transferred into a fresh tube and centrifuged for 10 min at 12700 rpm. 100 µL of the supernatant of each sample was pooled to make up the pooled biological quality controls (PBQCs). 100 µL of each sample (study samples & PBQCs) was dried using a SpeedVac vacuum concentrator prior to derivatization. The samples and PBQCs were methoximated (methoxyamine hydrochloride - 25 µL) and trimethylsilylated (BSTFA - 25 µL) to enable gas phase analysis.

Sampleprep ID:

SP002320

Sampleprep Summary:

600 µL of 3:1 methanol/water (containing 13C6 Sorbitol & 13C5, 15N Valine as internal standards) was added to the samples and cryomilled for 45 sec x 3 at 6800 rpm. 480 µL of the homogenate was transferred into a fresh tube and centrifuged for 10 min at 12700 rpm. 100 µL of the supernatant of each sample was pooled to make up the pooled biological quality controls (PBQCs). 100 µL of each sample (study samples & PBQCs) was dried using a SpeedVac vacuum concentrator prior to derivatization. The samples and PBQCs were methoximated (methoxyamine hydrochloride - 25 µL) and trimethylsilylated (BSTFA - 25 µL) to enable gas phase analysis.