TY - RPRT TI - A protocol for lab-scale production of 13C yeast extract as internal standard for metabolomics and quantification of intracellular metabolites AU - Cammaert, M. AU - Wouters, R. I. AU - van Ede, J. M. AU - de Hulster, E. A. F. AU - Mooiman, C. M. AU - van Dam, P. T. N. AU - Pabst, M. AU - van Gulik, W. M. AU - Daran-Lapujade, P. PY - 2026 DO - 10.64898/2026.06.12.731807 UR - https://www.biorxiv.org/content/10.64898/2026.06.12.731807v1 ID - 10.64898/2026.06.12.731807 ER -