3 papers
physics.optics2026
Mid-infrared photothermal imaging flow cytometry
Yusei Sugawara, Keiichiro Toda, Genki Ishigane +2
Imaging flow cytometry (IFC) enables high-throughput single-cell analysis but largely relies on fluorescence labeling to obtain molecular specificity. Label-free vibrational imagin…
physics.optics2026
Video-rate volumetric chemical imaging via mid-infrared photothermal optical diffraction tomography
Masato Fukushima, Keiichiro Toda, Yusei Sugawara +2
Label-free vibrational microscopy provides chemically specific access to cellular structure, yet quantitative volumetric chemical dynamics in living cells remain largely inaccessib…
physics.optics2023
Mid-infrared wide-field nanoscopy
Miu Tamamitsu, Keiichiro Toda, Venkata Ramaiah Badarla +3
Mid-infrared (MIR) spectroscopy is widely recognized as a powerful, non-distractive method for chemical analysis. However, its utility is constrained by a micrometer-scale spatial…