A thorough description on how to perform immunostaining directly on CytoChipNano after cell capture is performed by CytoQuest? CR. Abnova’s CytoQuest? CR is a non-invasive system for capture, enumeration, isolation and retrieval of circulating rare cells (CRCs), including circulating tumor cells (CTCs), circulating stem cells (CSCs), and circulating fetal cells (CFCs). Please visit Abnova website for more information.