Testing the biodegradability of difficult compounds: a future challenge for the OECD/ISO standardization. - Strotmann, Uwe; Heipieper, Hermann J.; Eberlein, Christian; Mayer, Philipp; Birch, Heidi; Gartiser, Stefan; Pagga, Udo; Daturpalli, Soumya; Battagliarin, Glauco; McDonough, Kathleen; Thouand, Gerald (Applied Microbiology & Biotechnology, 2026)