TY - RPRT TI - Critical reassessment of lipophilic dye labeling reveals negligible incorporation into small extracellular vesicles derived form serum-free cultured cells AU - Ji, Y. AU - Ji, Q. AU - Ji, J. AU - Shentu, Y. AU - Zhou, l. AU - Wu, J. AU - Shao, Q. AU - Xu, W. AU - Zhang, C. AU - Shen, M. AU - Xie, Q. PY - 2026 DO - 10.64898/2026.07.04.722344 UR - https://www.biorxiv.org/content/10.64898/2026.07.04.722344v1 ID - 10.64898/2026.07.04.722344 ER -