Enhancing reproducibility in mixing time determination of stirred tank reactors via automated analysis and standardized inter-laboratory trials. - Barth, Isabelle; Fitschen, Jürgen; Sieblist, Christian; Husemann, Ute; Kues, Dominic; Neubrand, Christoph; Bouvier, Christoph; Schirmer, Cedric; Tscheschke, Bernd; Vassilev, Igor; Kampeis, Percy (Applied Microbiology & Biotechnology, 2026)