Metabolomics Workbench : NIH Data Repository

MB Sample ID: SA136733

Local Sample ID:	BY4742-5
Subject ID:	SU001686
Subject Type:	Yeast
Subject Species:	Saccharomyces cerevisiae
Taxonomy ID:	4932
Genotype Strain:	BY4742, YGR023w
Cell Biosource Or Supplier:	Open Biosystems

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Sample Preparation:

Sampleprep ID:	SP001692
Sampleprep Summary:	Extraction of metabolites was performed by homogenization in 1 mL of cold methanol/H2O (1:1) extraction solution and centrifugated at 167 x g at 4°C for 5 min. Supernatants were collected and evaporated to dryness in a nitrogen stream stream at 50 ºC (RapidVap, Labconco). Nitrilation was performed by adding 150 μL of 0.2 mM hydroxylammonium chloride in pyridine to the dried sample, and then heating at 90ºC for 40 minutes. After that, acetylation was performed by adding 250 μL of acetic anhydride, and then heating at 90 ºC for 60 minutes. After that, the sample was dried again in a nitrogen gas stream, and then redissolved in 400 μL of ethyl acetate. Derivatized samples were collected and stored at -20ºC.

Sampleprep ID:

SP001692

Sampleprep Summary:

Extraction of metabolites was performed by homogenization in 1 mL of cold methanol/H2O (1:1) extraction solution and centrifugated at 167 x g at 4°C for 5 min. Supernatants were collected and evaporated to dryness in a nitrogen stream stream at 50 ºC (RapidVap, Labconco). Nitrilation was performed by adding 150 μL of 0.2 mM hydroxylammonium chloride in pyridine to the dried sample, and then heating at 90ºC for 40 minutes. After that, acetylation was performed by adding 250 μL of acetic anhydride, and then heating at 90 ºC for 60 minutes. After that, the sample was dried again in a nitrogen gas stream, and then redissolved in 400 μL of ethyl acetate. Derivatized samples were collected and stored at -20ºC.