![Entia](https://parkwalkadvisors.com/wp-content/uploads/2019/12/Entia2.jpg)
Entia, a spin-out from Imperial College London, have developed an accurate blood test from a simple finger prick. Entia is developing the Aptus, for haematocrit and haemoglobin measurement, and the Affinity, for cancer patients to monitor blood counts at home.