TY - RPRT TI - Label-free identification and classification of leukocyte subpopulations in peripheral blood smears by optical photothermal infrared spectroscopy AU - Raghunathan, S. AU - Piehler, S. AU - Reuter, C. AU - Kiehntopf, M. AU - Popp, J. AU - Krafft, C. PY - 2026 DO - 10.64898/2026.10.14.759126 UR - https://www.biorxiv.org/content/10.64898/2026.10.14.759126v1 ID - 10.64898/2026.10.14.759126 ER -