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. Author manuscript; available in PMC: 2013 Apr 24.
Published in final edited form as: Eur J Inorg Chem. 2012 Mar 28;2012(12):2099–2107. doi: 10.1002/ejic.201101362

Figure 6.

Figure 6

S. aureus cultures were incubated with 300 μm Zn-1, Zn-2 or Zn-3. Cells were washed 3 times with LB-broth and resuspended in 1% agarose. Scale bar represents 300 μm. Top: T1-weighted map was acquired at 7 T at 25 °C (TR/TE = 500/11 ms). Cells labeled with Zn-1 are clearly brighter than both unlabeled bacteria and bacteria treated with Zn-2 or Zn-3. Bottom: T1 relaxation times of agarose suspensions of S. aureus were measured using a saturation recovery pulse sequence with an echo time (TE) of 11 ms and repetition times (TR) as indicated in the Experimental Procedures at 7 T and 1.41 T. Data are presented as the percent reduction in T1 vs. bacteria incubated with LB media, washed, and suspended in agarose.