Clinical Chemistry

Real-Time Quantification of Amino Acids in the Exhalome by SESI-MS: A Proof-of-Principle Study

Real-Time Quantification of Amino Acids in the Exhalome by SESI-MS: A Proof-of-Principle Study

D. García-Gómez, T. Gaisl, L. Bregy, A. Cremonesi, P. M-L Sinues, M. Kohler, and R. Zenobi

Amino acids are frequently determined in clinical chemistry. However, current analysis methods are time-consuming, invasive, and require sample preparation. The authors hypothesized that plasma concentrations of amino acids can be estimated by measuring their concentrations in exhaled breath.