Simplifying and expanding the screening for peptides <2 kDa by direct urine injection, liquid chromatography, and ion mobility mass spectrometry.
Thomas. Andreas A; Görgens. Christian C; Guddat. Sven S; Thieme. Detlef D;...
The paper describes a new lab test that can spot tiny amounts of many performance‑enhancing peptides, including AOD‑9604, in urine. It shows the test is very sensitive, works over a useful range, and that the peptides stay stable when urine is kept at –20 °C.