Abstract #3221
Paramagnetic ions and R2 and R2*map: A preliminary postmortem brain study
Jeam Haroldo Oliveira Barbosa 1 , Antnio Carlos Santos 2 , Jos Eymard Homem Pittella 2 , Luciano Neder Serafini 2 , Oswaldo Baffa Filho 1 , and Carlos Ernesto Garrido Salmon 1
1
FFCLRP- D.Physics, University of Sao Paulo,
Ribeirao Preto, Sao Paulo, Brazil,
2
FMRP,
University of Sao Paulo, Ribeirao Preto, Sao Paulo,
Brazil
Quantification paramagnetic ions in postmortem brain
using Electron Spin Resonance (ESR) and its correlation
with R2 and R2* maps. Fe+3 and Cu+2 paramagnetic ions
are found in regions with considerable increased R2 and
R2* values. The determination of the influence from
paramagnetic ions can help understanding the origins of
changed R2 and R2* values in the basal ganglia.
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