Furthermore, certain types of ELISA have been in use in clinics and hospitals for many years ... but they have always required venous sticks and a lot more bloo

Furthermore, certain types of ELISA have been in use in clinics and hospitals for many years ... but they have always required venous sticks and a lot more blood. ELISA has also historically been expensive due to the amount of antibody required--the microfluidics approach is much cheaper in this regard.