New portable device counts leukocytes through the skin

A novel way to count white blood cells without a blood test, simply by applying a small device on the fingertip, is being developed by a team of young bioengineers. The technology, that combines an optical sensor with algorithms, has already three prototypes on the go and is specially designed to be used on chemotherapy patients, who could know their immune system levels in real time.

from Today's Healthcare News -- ScienceDaily http://ift.tt/1Lk3Qyt