storagesnap freeze, -80
homogenisationlyophilisation
buffernone
type extractionapolar+polar
extraction solvent+proceduremethanol, ultrasound, centrifugation
compatible with (analytical method)LC-MS, direct MS, derivatisation GC-MS
referencesBobeldijk et. Al., Quantitative profiling of bile acids in biofluids and tissues based on accurate mass high resolution LC-FT-MS: Compound class targeting in a metabolomics workflow., Accepted, J. Chrom B., 2008. 
pubmed
remarks 
contact? ivana.bobeldijk@tno.nl
.