Metabolomics Workbench : NIH Data Repository

MB Sample ID: SA016417

Local Sample ID:	S_112
Subject ID:	SU000385
Subject Type:	Human
Subject Species:	Homo sapiens
Taxonomy ID:	9606
Species Group:	Human

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Sample Preparation:

Sampleprep ID:	SP000392
Sampleprep Summary:	An aliquot (125 μl) of thawed plasma from each study sample was mixed with 375 μl of methanol, vortexed, and centrifuged. 400 uL of the supernatant was dried in vacuum overnight. Each sample was reconstituted with 250 μL of 0.2 mM phosphate buffer (pH 7.5) containing 10% Chenomx Internal Standard - 0.5 mM DSS-d6. Two random study pools were created by mixing 30 μl of plasma from a subset of study samples. Five replicates were created of each pool for a total of ten pooled samples, and these prepared identically to the study samples. The tubes were vortexed for 2 min on a multi-tube vortexer and centrifuged at 16,000 rcf for 10 min. A 200 µl aliquot of the supernatant was transferred into pre-labeled 3 mm (4”) NMR tubes for data acquisition on a 700 MHz spectrometer.

Sampleprep ID:

SP000392

Sampleprep Summary:

An aliquot (125 μl) of thawed plasma from each study sample was mixed with 375 μl of methanol, vortexed, and centrifuged. 400 uL of the supernatant was dried in vacuum overnight. Each sample was reconstituted with 250 μL of 0.2 mM phosphate buffer (pH 7.5) containing 10% Chenomx Internal Standard - 0.5 mM DSS-d6. Two random study pools were created by mixing 30 μl of plasma from a subset of study samples. Five replicates were created of each pool for a total of ten pooled samples, and these prepared identically to the study samples. The tubes were vortexed for 2 min on a multi-tube vortexer and centrifuged at 16,000 rcf for 10 min. A 200 µl aliquot of the supernatant was transferred into pre-labeled 3 mm (4”) NMR tubes for data acquisition on a 700 MHz spectrometer.