Exendin-4-Conjugated Manganese Magnetism-Engineered Iron Oxide Nanoparticles as a Potential Magnetic Resonance Imaging Contrast Agent for Tracking Transplanted β-Cells. - Juang, Jyuhn-Huarng; Shen, Chia-Rui; Wang, Jiun-Jie; Wu, Shu-Ting; Lin, Sung-Han; Chen, Chen-Yi; Kao, Chen-Wei; Chen, Chen-Ling; Tsai, Zei-Tsan; Wang, Yun-Ming (Nanomaterials (2079-4991), 2021)