Figure 6From: Chitosan-based intelligent theragnosis nanocomposites enable pH-sensitive drug release with MR-guided imaging for cancer therapyAssessment of the ability of N Chitosan-DMNPs as MRI contrast agents. (a) T 2-weighted MR images of N Chitosan-DMNPs in aqueous solution and (b) relaxation rate (R 2) versus N Chitosan-DMNPs concentration.Back to article page