https://www.sciencenews.org/article/coronavirus-covid19-rapid-tests-rna-virus
They even need subscription to media inform public,
I think if congress can fund this project , it will be much faster for them to complete and sell.and they say it is cheap, and much faster,
y
In the United States, the average wait time for COVID-19 test results is about four days. Even worse, 10 percent of individuals don’t receive lab results for 10 days or more.
Quick reporting of test results helps identify infected individuals so they and anyone they potentially spread the coronavirus to can be isolated, preventing further spread of the virus.
“If you have a 14-day lag to knowing if someone is actually sick and contagious, then they’ll interact with many, many more people in that period than if you have a one-day or a six-hour or one-hour turnaround,” says Omar Abudayyeh, a bioengineer at MIT.
Abudayyeh is among the many researchers and companies racing to develop new and speedier types of diagnostic tests that circumvent clinical labs altogether. Some of these tests complete their analyses in all-in-one machines that are portable enough to be set up in schools, nursing homes and offices. Several companies are developing tests like these that can diagnose COVID-19 in 30 minutes or less, with a level of accuracy comparable to lab tests. Others are harnessing the power of the gene editor CRISPR to deliver rapid results.
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In the United States, the average wait time for COVID-19 test results is about four days. Even worse, 10 percent of individuals don’t receive lab results for 10 days or more.
Quick reporting of test results helps identify infected individuals so they and anyone they potentially spread the coronavirus to can be isolated, preventing further spread of the virus.
“If you have a 14-day lag to knowing if someone is actually sick and contagious, then they’ll interact with many, many more people in that period than if you have a one-day or a six-hour or one-hour turnaround,” says Omar Abudayyeh, a bioengineer at MIT.
Abudayyeh is among the many researchers and companies racing to develop new and speedier types of diagnostic tests that circumvent clinical labs altogether. Some of these tests complete their analyses in all-in-one machines that are portable enough to be set up in schools, nursing homes and offices. Several companies are developing tests like these that can diagnose COVID-19 in 30 minutes or less, with a level of accuracy comparable to lab tests. Others are harnessing the power of the gene editor CRISPR to deliver rapid results.
Questions or comments on this article? E-mail us at feedback@sciencenews.org
https://www.sciencenews.org/article/coronavirus-covid19-rapid-tests-rna-virus
San Diego–based Mesa Biotech, for instance, received RADx funding to manufacture a PCR test that replaces an entire clinical lab with a handheld dock and a single-use cartridge. The company says the proprietary technology in its Accula test, which has already received FDA emergency use authorization, can provide a COVID-19 diagnosis in just 30 minutes.
Turning on the LAMP
Other RADx-funded companies, such as Talis Biomedical, headquartered in Menlo Park, Calif., aren’t using PCR to amplify SARS-CoV-2 viral material. The Talis One system instead uses LAMP, or loop-mediated isothermal amplification. In a typical LAMP assay, a patient’s nasal or oral swab sample is mixed with enzymes and specially designed DNA fragments, then heated to 65° Celsius to copy the viral RNA to DNA and produce many more DNA copies. With the Talis test, samples are placed in a cassette, popped into a specialized dock, and analyzed in just 30 minutes.
As opposed to an instrument that cycles between hot and cold, LAMP heats the reaction to one temperature. “You could run the reaction in a water bath,” says Nathan Tanner, a molecular biologist at New England Biolabs in Ipswich, Mass.
