COVID-19: Scientists develop sensors that can detect virus within 10 minutes

Scientists in US have w developed a new of COVID-19 test that uses multiple sensors to rapidly analyze small volumes of blood or saliva and produces results in less than 10 minutes. While results of or coronavirus tests could take days before reaching patient, se rapid sensors, when attached to supportive device, could wirelessly transmit data to user's cell phone through Bluetooth techlogy.

A team at California Institute of techlogy developed this multiplexed test with a low-cost sensor developed in lab of Wei Gao, assistant professor in Andrew and Peggy Cherng Department of medical engineering. Named, SARS-CoV-2 RapidPlex, sensor contains antibodies and proteins that allow it to detect presence of coronavirus, antibodies created by body to fight pathogen as well as chemical markers of inflammation indicating severity of infection.  

So far, device has been tested only in lab with a small number of blood and saliva samples obtained for medical research purposes from individuals who have tested positive or negative for Covid-19. Talking about sensor, researchers in  study wrote, “This is only telemedicine platform I've seen that can give information about infection in three s of data with a single sensor.” study has been published online and will appear in December issue of journal Matter.

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Feluda Test in India

Meanwhile, Drugs Controller General of India has approved launch of an accurate and low-cost paper-based test strip to detect Covid-19. This test kit is being called Feluda kit and is reportedly capable of detecting virus in less than 30 minutes. Feluda Kit has been developed by researchers of Council of Scientific and Industrial Research (CSIR) and Tata Group research team, led by Debojyoti Chakraborty and Souvik Maiti.

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