Fig. 6
From: Construction of nanomaterials as contrast agents or probes for glioma imaging
(Reprint with permission [133]. Copyright 2019, Royal Society of Chemistry)
a Cartoon depicting the assumed functional organization of the imaging agent, represented by separation of fluorophores with hydrophobic side chains of the tri-leucine peptide. b The fluorescence imaging-guided resection of glioma under the assistance of SIRIS. Reprint with permission [132]. Copyright 2019, Elsevier. c Schematic illustration of the preparation process