Low-nanogram Fourier Transform Isotopic Ratio Mass Spectrometry of Proteins
Hassan Gharibi, Ana C. Jorge, Xuepei Zhang, Roman A. Zubarev
This study demonstrates that Fourier Transform Isotopic Ratio Mass Spectrometry can reliably analyze isotope ratios from less than 10 ng of protein, enabling single-cell-scale stable isotope analysis.
bioRxiv · Jan 31, 2026 · PreprintBiochemistry