Development and establishment of analytical methods Validation of release-related methods Development and validation of potency assays (e.g. ELISA) Determination of visible particles according to Ph. Eur. 2.9.20 Determination of the tightness of rubber stoppers for containers according to Ph. Eur., Chapter 3.2.9 (self-sealing) Spectrophotometric quantification and evaluation of the purity of proteins, DNA / RNA Measurement of protein stability and aggregation (Prometheus NT.48, NanoTemper Technologies GmbH) External order analysis with qualified and audited partner laboratories