Biology Reference
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Figure 5.8
Different modes of IR spectroscopy. Source:
Reproduced from Ref.
38
.
The experiments were shown to distinguish between poliovirus and
MS2 bacteriophage even in variable tap water samples, with an LOD of
10
3
pfu mL
−1
.
IR spectroscopy has been applied to identify and differentiate micro-
organisms on both the species and strain levels.
37
Further information can
be deduced about the impact of environmental conditions over time. For
example, Lu et al. studied the impact of storage at different temperatures on
the survival of the bacteria
E. coli
O157:H7,
Campylobacter
and
Pseudomo-
nas
40
(see
Fig. 5.9
). While this sensitivity can be advantageous, one potential
difficulty with widespread adoption of this method is that there may be
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