Making customized T Cells (image) Johns Hopkins Medicine Share Print E-Mail Caption This is a graphic showing a process for producing large numbers of activated, customized T cells using magnetic nanoparticles and a column. Credit Credit: Karlo Perica/Johns Hopkins Medicine Usage Restrictions Please credit the photo. 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.