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. Author manuscript; available in PMC: 2010 Jun 28.
Published in final edited form as: Methods Mol Biol. 2009;490:165–178. doi: 10.1007/978-1-59745-367-7_7

Fig. 7.2.

Fig. 7.2

Cell viability. Change in the viability of the host cells as a function of the time of incubation in 0 M, 1.5 M, and 3 M urea. The viability was quantified by measuring the number of cells capable of forming colonies (left axis, closed circles) and optical density at 600 nm (right axis, open symbols).