Fig.5From: High-throughput and high-sensitivity capillary electrophoresis–mass spectrometry method for sulfur-containing amino acidscomparison of the normal method (a) and the developed method (b). Injection concentration of the normal method and the developed method was 2.5 μg/mL and 0.25 μg/mL, respecitively, taking Cys as an exampleBack to article page