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Enhanced Glutathione Content Allows the In Vivo Synthesis of Fluorescent CdTe Nanoparticles by Escherichia coli

Figure 5

Absorbance and fluorescence spectra of purified NPs.

A, absorption spectra of NPs from unexposed (solid black line), exposed to CdCl2 (dashed grey line) or CdCl2/K2TeO3 (dashed black line) cells. B and C, emission spectra of NPs from cells exposed to CdCl2 or CdCl2/K2TeO3, respectively.

Figure 5

doi: https://doi.org/10.1371/journal.pone.0048657.g005