TY - RPRT TI - Sensitive untargeted metabolomics via 3-nitrophenylhydrazine derivatization maps gut microbiota-related metabolites across multiple mouse biological compartments AU - Wu, Q. AU - Zhu, L. AU - Chi, Y. AU - Dai, J. PY - 2026 DO - 10.64898/2026.10.27.762144 UR - https://www.biorxiv.org/content/10.64898/2026.10.27.762144v1 ID - 10.64898/2026.10.27.762144 ER -