Güzel, C.

protein tissue peptide sample matrix control maldi imaging preeclampsia analysis trophoblast mass spectrom onset preeclampsia proteomic calcyclin onset spectrometry identi laser folate section fication expression signal placenta stroma cells placental netherland analyte study preterm experiment stroma surface reference tissue sections group pregnancy result spectrom women application solution desorption technique table signi proteome res pathway figure matrice proteome matrix solution method journal ion mass spectrometry imaging ms folate-responsive molecule spectra identi fication department preparation preterm delivery trophoblast cells folate addition signi ficantly matrix application wiley-vch weinheim measurement verlag histone concentration bruker daltonics university center rotterdam identi fied proteins level