ReDU: a framework to find and reanalyze public mass spectrometry data

We present ReDU (https://redu.ucsd.edu/), a system for metadata capture of public mass spectrometry-based metabolomics data, with validated controlled vocabularies. Systematic capture of knowledge enables the reanalysis of public data and/or co-analysis of one’s own data. ReDU enables multiple types of analyses, including finding chemicals and associated metadata, comparing the shared and different chemicals between groups of samples, and metadata-filtered, repository-scale molecular networking. Repository-scale reanalysis of public mass spectrometry-based metabolomics data is facilitated by the Reanalysis of Data User (ReDU) interface, a system that uses consistent formatting and controlled vocabularies for metadata capture.

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