Article
Mass Spectra and Time-Resolved Fluorescence Spectroscopy of the Reaction Product of Glycine with 1,2-Indanedione in Methanol
Forensic Science International
(2005)
Abstract
The reaction products of 1,2-indanedione (a new fluorescent fingerprint reagent) with glycine in methanol, at room temperature have been studied using excitation and emission and time-resolved fluorescence spectroscopy. Gas chromatography–mass spectroscopy (GC/MS) has also been used to determine which compounds are formed. Reaction products were identified using GC/MS as 2-carboxymethyliminoindanone (MW = 203 g) and 1,2-di(carboxymethylimino)indane (MW = 260 g). Identified compounds show room temperature fluorescence lifetimes of τ1 = 7.69 ns and τ2 = 1.27 ns. It is not clear yet which compound is having fluorescence lifetime of 7.69 ns and which one is showing 1.27 ns.
Keywords
- 1,
- 2-Indanedione,
- Fingerprint,
- Fluorescence,
- Lifetime,
- Mass spectroscopy
Disciplines
Publication Date
September 10, 2005
Citation Information
Mekkaoui Alaoui, I., Menzel, E. R., Farag, M., Cheng, K. H., & Murdock, R. H. (2005). Mass spectra and time-resolved fluorescence spectroscopy of the reaction product of glycine with 1,2-indanedione in methanol. Forensic Science International, 152, 215-219. doi: 10.1016/j.forsciint.2004.08.013