“What makes organ chips potentially so effective in drug testing is that they create not just the biochemical environment necessary for the cells to thrive but also the physical one…This use of stem cells in organ chips raises the possibility of a device that represents an individual patient—a patient-on-a-chip, if you like. In this case all the tiny organs would be derived from a single person: tests could then be carried out on the device to find what combinations of drugs and dosages work best for that patient.” Read more