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https://www.ias.ac.in/article/fulltext/reso/021/07/0597-0619

EPR, imaging, spatial encoding, back-projection, gradients, spectral–spatial imaging, line width, relaxation, oxygen partial pressure, spin probes, CW- and FT-EPR, rapid scan, rotating gradients, redox status, oxidative stress, anti-oxidants, ischaemia.

Twentieth century bore witness to remarkable scientists whohave advanced our understanding of the brain. Among them,EPR (Electron Paramagnetic Resonance) imaging is particularlyuseful in monitoring hypoxic zones in tumors which arehighly resistant to radiation and chemotherapeutic treatment.This first part of the article covers aspects of CW(continuous wave) imaging with details of FT (pulsed FourierTransform)-EPR imaging covered in Part 2, to be publishedin the next issue of Resonance.