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Linearity of Scansystem method. Increasing concentrations ranging from 10 to 104 CFU of S. epidermidis (white bars; n = 5), B. cereus (black bars; n = 3), S. marcescens (heavily shaded bars; n = 2), and E. coli (lightly shaded bars; n = 3) per ml were spiked into PCs and immediately analyzed by the Scansystem method. The mean numbers of bacteria detected ± standard deviations are reported.
