Fig. 1From: Localization of tamoxifen in human breast cancer tumors by MALDI mass spectrometry imagingIonization characteristics of tamoxifen (0.1 mg/mL in water) as measured with 3.5 mg/mL CHCA on a stainless steel MALDI target plate. a A full mass spectrum of tamoxifen obtained at 60,000 resolution using the Orbitrap mass analyzer and b a tandem mass spectrum of tamoxifen isolating the m/z 372.23 and CID fragmented in the linear ion trap mass analyzerBack to article page