Raman Spectroscopy of Bacterial Species and Strains Cultivated under Reproducible Conditions

Figure 1

Analysis of repeat measurements of different colonies of the same bacteria, cultured for 24 hours, exemplified for two S. epidermidis (1457 and 9142) and one E. coli (Top10WT) strains. Typical Raman spectra from individual bacterial colonies are shown in (a); the related 3D plots of principle component relations for 30 repeat measurements compare (b) two bacteria types (c) two bacteria strains and (d) bacteria types and strains.
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(a)
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(b)
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(c)
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(d)