Modulation of Ultrasmall Bismuth-Doped Ferrite Nanocomposites for Trimodal Imaging-Guided NIR-II Phototherapy by Dopant Content Optimization

Key Points

• The aim is to optimize dopant content in bismuth-doped ferrite nanocomposites for improved performance in imaging and phototherapy.
• Developed ultrasmall bismuth-doped ferrite nanocomposites.
• Investigated the effect of varying dopant content on imaging capability and phototherapy efficacy.
• Utilized NIR-II laser irradiation for tumor ablation.
• Achieved effective tumor ablation with optimized dopant content under NIR-II laser, showing significantly improved imaging-guided therapy strategies.
• Demonstrated enhanced multifunctional capabilities of the nanocomposites for cancer theranostics.

Abstract