Consider two MRI contrast agents, one based on high-spin Fe(III) and the other on Gd(III). If both have the same ligand environment and their water exchange rates are similar, which one do you believe will provide the best contrast? Explain your answer. Which of the plots below (a or b)

Consider two MRI contrast agents, one based on high-spin Fe(III) and the other on Gd(III). If both have the same ligand environment and their water exchange rates are similar, which one do you believe will provide the best contrast? Explain your answer. Which of the plots below (a or b)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Consider two MRI contrast agents, one
based on high-spin Fe(III) and the other on
Gd(III). If both have the same ligand
environment and their water exchange
rates are similar, which one do you believe
will provide the best contrast? Explain your
answer.
Which of the plots below (a or b)
corresponds to your metal ion of choice in
part (i)? Explain your reasoning
TI(obs)
24
22
2'0
1'8
16
14
1'2
1'0
0'8
04
concentration C(MM)
02
0:3
0'5

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