Biosensor and method for detecting macromolecular biopolymers using a biosensor

摘要

The invention relates to a first electrode that is provided with a holding area for holding probe molecules which can bind macromolecular biopolymers. The first electrode and/or a second electrode is/are divided into a plurality of electrode segments that are electrically insulated from one another. The randomly selected electrode segments, independently from one another, can be electrically coupled in such a way that an effective electrode surface can be adjusted in the size thereof according to the selected electrode segments.