Delivery of Fluorescent Phalloidin (image) Yale University Share Print E-Mail Caption The delivery of fluorescent phalloidin into cells by pHLIP. (a) HeLa cells at pH 7.4 (Left) shows weak label localized at the cell membrane, and pH 6.5 (Right) shows fluorescent actin filaments inside cells. (b) HeLa (Left), breast cancer (Center), and prostate cancer (Right) cells show different and characteristic patterns of fluorescent actin filaments. Credit Credit: Yale University Usage Restrictions None Share Print E-Mail 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.