Key points from article :
Smartphone-powered on the spot DNA testing device is cheap and lightweight.
Made of 3D printed parts and can be attached to a standard smartphone.
Detects DNA based on characteristic mutations or short genetic sequences.
Detected thalassemia in blood, E.coli in urine and people susceptible to alcohol intoxication.
Accuracy was about 97 per cent when compared with standard laboratory methods.
Could potentially be modified to identify RNA, for detecting viruses like the coronavirus.
Research by Army Medical University in China, published in Science Advances.
