Figure 1 (IMAGE) Compuscript Ltd Caption The bioresponsive micro-to-nano albumin-based system was accumulated in the lungs and responds to the upregulated MMP-3, then targeted the lung tissue, brain, and infected macrophages, reaching multiple targets and efficient treatment. Credit APSB Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.