MeltDBWiki/HowTos

Using the public MeltDB experiments

Login to the public MeltDB project using the guest account:

• MeltDB guest login

To analyze the publicly available datasets in MeltDB, please select 'Browse/Analyse an existing Experiment' from the start page.

Select the 'Three carbon sources' experiment by clicking on the folder icon to the left.

The textual display of the experiment is presented and a number of potential actions together with their short descriptions are listed below.

Please select 'Show PCA' to start the PCA analysis on the previously imported peaks found by Xcalibur preprocessing methods.

Select all chromatograms and a list of metabolites and click the 'Compute PCA' button. If you would like to log-transform the measured and normalized metabolite values, mark the 'log' checkbox.