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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: J Magn Reson. 2010 Apr 1;205(1):28–37. doi: 10.1016/j.jmr.2010.03.018

Figure 5. Na+ efflux from Na+ loaded yeast intrinsic T1 23Na MRR.

Figure 5

Panel A: A stacked plot of Na T1 relaxograms of a suspension of Na+ loaded yeast is shown. No RRe was added to the sample; the relaxogram peaks represent the distribution of intrinsic T1 values in the sample. The T1 values obtained from each relaxogram peak are shown on the left; the elapsed time to the middle of the relaxogram acquisition is shown on the right.

Panel B: The time dependence of the Na+ contents, nNai (filled circle) and nNae (open circle), of suspensions of Na+-loaded yeast (n=4) derived from 23Na intrinsic T1 MRR measures. At 97 min SR was added to the suspension and the MRS/SRe measured nNai (filled square) and nNae (open square) values were obtained. For comparison the MRR/RRe nNai (filled diamond) and nNae (open diamond) amounts (Fig 4B) are shown. All values are mean ± (SD).