Osaka researchers develop probe to trace Alzheimer's lipids at single‑cell level

Researchers at Osaka University have unveiled a new analytical method capable of detecting subtle chemical differences between adjacent cells within the same tissue. The technique, detailed in the latest issue of *Analytical Chemistry*, offers unprecedented precision and stability in profiling cell‑by‑cell diversity, allowing scientists to map the unique molecular signatures that distinguish individual cells that appear morphologically identical.

By capturing these hidden variations, the method promises to deepen understanding of how diseases originate and propagate at the microscopic level. The ability to resolve intra‑tissue heterogeneity could enhance studies of tumor development, inflammatory processes, and other pathologies where cellular individuality influences disease dynamics, providing a powerful tool for future biomedical research.