Fig. 4From: Application of nanotechnology in the early diagnosis and comprehensive treatment of gastrointestinal cancerNanotechnology improves MRI imaging efficiency. Schematic illustration of the synthesis of 800ZW–SPION@dSiO2–YY146 (A) and Series of images shows T2-weighted MR images obtained at a certain point in time on the 11.7 T system (B) [87]Back to article page