Scientists have developed a new microscopic device to help quickly and accurately determine the level of immune cells in people living with HIV. This makes it possible to better monitor the course of the disease, especially in remote or low-income areas where sophisticated medical equipment is usually unavailable.
The device is a small chip containing thin channels through which blood flows. Thanks to special chemicals, it “recognizes” important immune system cells – CD4+ T-cells. It is these cells that show how well the body can defend itself against infections. In people with HIV, their level gradually decreases, so regular measurement is very important.
Unlike conventional diagnostic methods, which require expensive equipment and professional staff, the new sensor is cheaper to produce, compact and easy to use. The device can accurately measure cell counts in different ranges – both in healthy people and in patients with HIV.
The development was made possible through a combination of microscopic technology and electrochemistry. The team of scientists is also working to improve the device so that it can detect even more indicators from a single drop of blood.
This innovative approach could be a real breakthrough in the fight against HIV, making diagnosis more accessible to millions of people around the world