Fig. 2From: A brief review of non-invasive brain imaging technologies and the near-infrared optical bioimagingMRI contrast agent. Infusion of the DaReNa, a dopamine sensor (BM3h) coated SPION complex, show the enhancement of contrast and relaxation near the injection site (striatum, Str) and along the corpus callosum (cc). Scale bar = 2 mm. Reprinted with permission from Hsieh et al. 2019. Copyright 2017 American Chemical SocietyBack to article page