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. Author manuscript; available in PMC: 2013 Jul 27.
Published in final edited form as: Angew Chem Int Ed Engl. 2012 Jun 28;51(31):7752–7755. doi: 10.1002/anie.201202982

Figure 3.

Figure 3

A) Gram staining of S. aureus (Gram-positive cocci), E. coli (Gram-negative bacilli), and mixture of S. aureus and E. coli stained with Crystal violet-TCO (left panels) or with Crystal violet (right panels) (scale bar = 10 µm). B) Correlation of absorbance at 595 nm between bacteria stained with Crystal violet and Crystal violet-TCO. C) Correlation between absorbance (595 nm) and magnetic relaxivity values of bacterial cells stained with Crystal violet-TCO and labeled with magnetic MFNP-Tz.