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Home / Health News / Portable diagnostic device can detect COVID-19 infection in 60 minutes, costs just Rs 400

Portable diagnostic device can detect COVID-19 infection in 60 minutes, costs just Rs 400

Researchers from Indian Institute of Technology Kharagpur have developed a diagnostic device that can detect COVID-19 infection in 60 minutes at an estimated cost of Rs 400.

By: Jahnavi Sarma   | | Published: July 28, 2020 2:06 pm
Tags: Coronavirus  coronavirus outbreak  covid-19 testing  Diagnostic tests  
COVID-19
According to researchers, the unique portable device has not only been validated for the diagnostics of COVID -19, but also been designed to be capable of detecting any other kind of RNA virus by following the same generic procedure.

Many companies and labs across the world have developed tests to diagnose COVID-19 based on the detection of the virus’s genetic material in a sample from the patient’s nose or throat. As of now, there are two types of tests available, diagnostic tests and antibody tests. But these are expensive tests and because of this, many people may not be reporting symptoms or going in for tests despite having symptoms. So, it is heartening to know that we may now have a tests that is not only effective and more accurate but also very cost-effective. Also Read - Delhi to open special ward at Kejriwal run LNJP hospital amid new COVID-19 strain surge

Indian Institute of Technology Kharagpur on Saturday said its researchers have developed a portable diagnostic device that can detect COVID-19 infection in 60 minutes at an estimated cost of Rs 400. This entire non-invasive saliva-based test can be conducted in an ultra-low-cost portable enclosure as an alternative to specialised laboratory equipment, IIT Kharagpur said. Also Read - Beware of post-COVID-19 symptoms, warn WHO experts



Device can detect any RNA virus

The technology essentially deploys a disposable simple paper-strip for chemical analysis and visualisation of results. The results from this new technology have been strictly validated by following all established laboratory controls against the benchmarked results obtained from RT-PCR (reverse transcription polymerase chain reaction) machine, using synthetic viral RNA, IIT Kharagpur said. The synthetic RNA is exactly the same replicate of the viral RNA extracted from infected patients, as per accepted scientific benchmarking procedure. Also Read - ‘Follow rules or else we will follow you’: Mumbai police tweets amid COVID-19 surge

According to researchers, the unique portable device has not only been validated for the diagnostics of COVID -19, but also been designed to be capable of detecting any other kind of RNA virus by following the same generic procedure. The impact of this, therefore, is long lasting, empowered by the capability of detecting unforeseen viral pandemics in the coming years that may potentially endanger human lives time and again.

Easy test with better accuracy

The new device has been designed to be usable at locations with extremely poor resources. Moreover, it can be operated by minimally trained personnel, precluding the needs for skilled technicians. The RT-PCR based tests suffer from a compelling constraint of requiring an elaborate laboratory-infrastructure and support system including the operational and maintenance cost, to perform the test.

The alternative existing approaches to these tests, on the other hand, are either invasive (blood tests) and non-indicative of early stage of development of the infection, or dependent on reagents that are extremely unstable and cannot be implemented in resource-limited settings.

Cheaper alternative to existing tests

The equipment developed by IIT Kharagpur researchers will cost about Rs 2,000 if a pilot facility is used. The same portable unit can be used for a large number of tests, on mere replacement of the paper cartridge after each test, the institute said, adding that the device has been proven to produce no false result with remarkable accuracy and sensitivity compatible to standard RT-PCR tests. Use of a large-scale commercial facility will further reduce with increase in the production scale. IIT Kharagpur said it is ready for commercialisation of the product and any corporate or start-up can approach the institute for technology licensing and commercial scale of production.

(With inputs from IANS)

Published : July 28, 2020 2:06 pm
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