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Abstract
Summary
Fresh clinical isolates of Salmonella spp. and Streptococcus pyogenes were analysed by pyrolysis-mass spectrometry (Py-MS). The results formed the basis of mathematically derived characterisations of individual strains and these were compared with the results of phage typing for the salmonellas and M protein typing for the streptococci. Py-MS was shown to be a rapid and reproducible method for inter-strain comparisons, giving evidence of identity and non-identity between strains that agreed well with the results of conventional tests. Py-MS has potential value as a rapid, relatively inexpensive and highly discriminatory method of epidemiological analysis in bacterial disease.
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© Society for General Microbiology, 1990