Figure 5. HPLC chromatograms of untreated alanine aqueous solution and the product solution obtained after the pulsed corona discharge treatment in Ar at 293K, 1.0MPa and 25,000 shots

From

Oligopeptide Production from Alanine Monomer by Pulsed Corona Discharge Plasma in Ambient and Supercritical Argon

Koichi Nagafuchi, Atsushi Nagira, Hidenori Akiyama, Mitsuru Sasaki, Kunio Kawamura

Chemical Engineering and Science. 2013, 1(3), 41-45 doi:10.12691/ces-1-3-2