Summary of Study ST000290

This data is available at the NIH Common Fund's National Metabolomics Data Repository (NMDR) website, the Metabolomics Workbench,, where it has been assigned Project ID PR000232. The data can be accessed directly via it's Project DOI: 10.21228/M8P01G This work is supported by NIH grant, U2C- DK119886.


This study contains a large results data set and is not available in the mwTab file. It is only available for download via FTP as data file(s) here.

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Study IDST000290
Study Title2014 Biotron Experiment Metabolites
Study TypeTime course
Study SummaryMaize plants were grown under three different temperature regimes: 1) normal day / normal night; 2) hot day / normal night; 3) hot day / hot night. Kernels from developing ears were taken 14, 16, 18, 22, 26 and 40 days after pollination.
University of Florida
Last NameStewart
First NameJon
Address102 Leigh Hall
Submit Date2015-02-19
Num Groups3
Total Subjects47
Study CommentsNormal day / normal night (17 samples); Hot day / normal night (14 samples); Hot day / hot night (17 samples)
Raw Data AvailableYes
Raw Data File Type(s)mzML
Analysis Type DetailLC-MS
Release Date2016-12-22
Release Version1
Jon Stewart Jon Stewart application/zip

Select appropriate tab below to view additional metadata details:

Combined analysis:

Analysis ID AN000462 AN000463
Analysis type MS MS
Chromatography type Reversed phase Reversed phase
Chromatography system Thermo Scientific-Dionex Ultimate 3000 Thermo Scientific-Dionex Ultimate 3000
Column ACE Excel 2 C18-PFP (100 x 2.1mm, 2um) ACE Excel 2 C18-PFP (100 x 2.1mm, 2um)
MS instrument type Orbitrap Orbitrap
MS instrument name Thermo Q Exactive Orbitrap Thermo Q Exactive Orbitrap
Units Peak area Peak area


Chromatography ID:CH000329
Methods Filename:Instrument_Parameters.pdf
Instrument Name:Thermo Scientific-Dionex Ultimate 3000
Column Name:ACE Excel 2 C18-PFP (100 x 2.1mm, 2um)
Flow Rate:350 ul/min
Internal Standard:Appendix A - Internal Standard Prep GLCMS.pdf
Solvent A:100% water; 0.1% formic acid
Solvent B:100% acetonitrile
Chromatography Type:Reversed phase