Table 1

Overview of all the instruments and MS file types that can be handled by the database application.

Equipment
Type
File names
File content

Ultraflex ™ MALDI-TOF (Bruker Daltonics)
fid
fid, acqus, acqu
raw binary data, calibration constants

text
*.txt
mass and intensity peak list, space or tab separated

APEX-Q 9.4T MALDI-FTICR (Bruker Daltonics)
fid
fid, acqus, acqu
raw binary data, calibration constants

text
*.txt
mass and intensity peak list, space or tab separated

xml
exportedSpectrum.xml
<pk mz="mass1" i="intensity1"/>

Off-line LC-MALDI (TOF/TOF) (file-export WARP-LC™ software, Bruker Daltonics)
text
*.txt
mass, intensity and Retention time peak list, space or tab separated data

xml
*.xml
<Compound mass="mass1"
RetentionTime="retentiontime1"
AbsoluteIntensity="intensity1"> </Compound>

The database application is written in Java and R and uses a MySQL™ database. The files types may consist of 1) raw binary MS spectra (the fid files), 2) exported peak lists containing tab or space separated masses and corresponding intensities, and 3) XML files.

Titulaer et al. BMC Bioinformatics 2008 9:133   doi:10.1186/1471-2105-9-133