Quantification of residual fatty acids in forensic microbiological samples using Direct Analysis in Real Time Mass Spectrometry (DART-MS)

Eva M. Childrey, Cristina E. Stanciu & Christopher J. Ehrhardt
The goal of this research was to develop a rapid, quantitative assay for determining the structure and relative abundance of residual fatty acids from forensically-relevant microbiological samples using Direct Analysis in Real Time Mass Spectrometry (DART-MS). Although cellular fatty acids have been used to characterize the taxonomy and growth conditions for an unknown organism, the analytical sensitivity of ambient mass spectrometry techniques and their compatibility with standard forensic collection practices has not been explored. To...
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