Figure 5 (IMAGE) Chinese Society for Optical Engineering Caption Targeted drug delivery using saBOT. (a) Selective killing of a single cancer cell at the cell cluster boundary. (b) Selective killing of designated cancer cells within cell cluster. Credit Hongbao Xin Usage Restrictions None License Original content 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.