Sample carrier based on a porous film with metal oxide particles, the production and utilization thereof, especially for selective detection of phosphorylated/sulphatized biopolymers

摘要

The present invention relates to a porous film comprising metal oxide particles, to a sample holder using the film, to a method of preparation for the sample holder, to the application of the sample holder as well as to a method of detecting phosphorylated/sulphated biopolymers, specifically peptides/proteins.