Health
Coronavirus “drinking” test? Scientists approach breakthrough devices
Washington- Most people who take the COVID-19 nasal swab test will say it’s not a fun experience. Is there an easier and faster way to test the coronavirus? Scientists say there are “respiratory” devices that function like a drunk driving test.
An international research team is developing a prototype coronavirus respiratory machine. This device scans the air after the patient exhales, much like current respiratory systems detect Alcohol particles In the breath of a person.
Nasopharyngeal swabs are currently the gold standard for coronavirus testing. Healthcare professionals pierce a patient’s nose with a long swab and collect samples from the nasal cavity and deep throat. After that offensive part, the technician analyzes the genes in these samples SARS-CoV-2 — A virus that causes COVID-19.
Not only is this process unpleasant for the patient, but it also requires time-consuming laboratory tests called RT-PCR, the study authors say. With so many people around the world being tested, it can take a few days to get results.
Researchers Hossam Haick, Hu Liu, Yueyin Pan and others say they want their prototypes to give medical systems a faster option. When they add the COVID-19 respirator, they are cheaper to use and easier to operate.
How Does the Coronavirus Respiratory System Work?
Report of ACS Nano The virus usually describes releasing volatile organic compounds (VOCs) that can leave the body through your breathing. The new invention uses a nanomaterial-based sensor to find SARS-CoV-2 in these exhaled particles. This sensor Gold nanoparticles It is linked to a molecule that is sensitive to contact with VOC.
When viral compounds interact with these molecules, the electrical resistance of the sensor changes. Scientists teach the respiratory system to look specifically for the resistivity signal produced by COVID-19 particles.
To do this, the study used breath samples from 49 coronavirus patients, 58 healthy participants, and 33 noncoronavirus lung infections in Wuhan, China. All volunteers blew into the machine for 2-3 seconds, standing less than 2 cm. This allowed the machine to see not only the presence or absence of COVID but also other infectious diseases.
The results of the follow-up tests show an impressive beginning for the coronavirus respiratory system. The researchers report that the accuracy of the device is 76% when comparing COVID-19 cases to healthy patients. Comparing patients with coronavirus to other lung infections, the score jumps to 95% accuracy. Breather riser Patient recovered With 88% accuracy.
Studies point out that the present invention requires more tests in more patients, which is the first step towards a rapid screening process.
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