People with a chronic illness who now need regular hospital check-ups could soon be doing the blood tests at home with a battery-powered kit the size of a credit card. Patients use a tiny spring-loaded pin to prick their finger, and squeeze a spot of blood onto enzyme-coated electrodes in the card. The enzymes cause glucose or cholesterol in the blood to react and release ions, reducing the electrical resistance of the blood. Any telltale increase in current flowing between the electrodes is then recorded by a chip in the card. After running the test, the patient posts the chip…
To continue reading, today with our introductory offers
Advertisement
More from 51¶¯Âþ
Explore the latest news, articles and features
Popular articles
Trending 51¶¯Âþ articles
1
Mathematicians stunned by AI's biggest breakthrough in mathematics yet
2
The Selfish Gene at 50: Why Dawkins’s evolution classic still holds up
3
The distant world that is our best hope of finding alien life
4
How I used psychology to come back from the worst year of my life
5
Photos reveal unexpected details from the world's first atomic test
6
Mystery of the ancient giant stone jars of Laos may have been solved
7
Epic dreaming is leaving people exhausted and distressed
8
Putting CO2 into rocks and getting hydrogen out is climate double win
9
Colossal claims an artificial eggshell will help it bring back the moa
10
The 3 things you need to know about protein, according to an expert
