NewslettersMesenchymal Cell NewsA Cell Penetrating Peptide-Modified Magnetic/Fluorescent Probe for In Vivo Tracking of Mesenchymal Stem CellsBy Bob - July 26, 20220189Paramagnetic element-doped upconversion nanoparticles’ potential in cell labeling and in vivo tracking applications was comprehensively explored.[Journal of Biomedical Materials Research Part A]Abstract