Abstract

We have experimentally studied the luminescence spectra of glycine powder in the plasma of a repetitively pulsed longitudinal discharge in argon–glycine and helium–glycine mixtures. We have identified the main fragments of the glycine molecule emitting in the 200–1000 nm region. The emitting molecules due to fragmentation of glycine and dissociation of the carboxyl (−COOH) and amino (−NH2) groups are nitrogen, carbon monoxide, and cyanogen molecules.

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