ovarianDESIDoria2016 {SPUTNIK}

Load the example DESI-MSI data.

Description

Loads a single human ovarian cancer DESI mass spectrometry imaging dataset acquired in negative ionization mode using Waters XEVO-GS2 qToF. The dataset is available at "https://raw.github.com/paoloinglese/SPUTNIKexamples/master/data/ovarian_xevo_prepr_MALDIquant.RData" The dataset is loaded in the R environment under the variable name maldiData.

Usage

ovarianDESIDoria2016(verbose = TRUE)

Arguments

verbose

Logical (default = TRUE). Show additional output text.

Value

maldiData MS intensity matrix. Rows represent pixels, columns represent matched peaks.

References

Doria, M. L., McKenzie, J. S., Mroz, A., Phelps, D. L., Speller, A., Rosini, F., ... & Ghaem-Maghami, S. (2016). Epithelial ovarian carcinoma diagnosis by desorption electrospray ionization mass spectrometry imaging. Scientific reports, 6, 39219.