Near-infrared dye conjugated polysaccharide nanogel-based contrast agents for M2 macrophage-targeting photoacoustic imaging

Key Points

• Photoacoustic imaging illustrates enhanced macrophage targeting using near-infrared dye-conjugated agents.
• Key evidence indicates a significant improvement in imaging clarity and specificity.
• Observational analysis utilized polysaccharide nanogel as innovative contrast agents in imaging studies.
• Highlighting the importance of targeted approaches in imaging, further validation in vivo is necessary.