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Three covid rapid antigen tests displaying (left to right) invalid, positive, and negative results.
What Does a Positive Covid Test Look Like?
Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.
What Does a Positive Covid Test Look Like?
What Does a Positive Covid Test Look Like?

Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.

Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.

testing

Why Automation Is a Necessity for Clinical Diagnostics
Bringing Fluency to Clinical Diagnostics Through Automation 
Tecan | Dec 7, 2022 | 1 min read
Automated liquid handling workstations offer flexibility for a wide range of application and process needs.
an artistic rendering of CRISPR/Cas9
Ten Years of CRISPR
Sophie Fessl, PhD | Jun 28, 2022 | 7 min read
This month marks ten years since CRISPR-Cas9 was repurposed as a gene editing system, so we’re looking back at what has been accomplished in a decade of CRISPR editing.
Illustration of man receiving a COVID test.
Opinion: What COVID-19 Has Taught Us About the Importance of Testing
Mark Kessel | Feb 1, 2022 | 5 min read
The pandemic has yielded many lessons. One is that adequate and well-distributed diagnostics are key to battling disease outbreaks.
Rapid antigen tests for SARS-CoV-2
Are Rapid Tests Worse at Detecting Omicron—and Does It Matter?
Catherine Offord | Jan 14, 2022 | 10 min read
Anecdotal reports and results from small studies on the diagnostics’ accuracy have prompted questions about the devices’ usage with the new variant, but researchers say more data are needed and emphasize the continued importance of SARS-CoV-2 testing.
The Researchers Who Pivoted to COVID-19: One Year On
Shawna Williams | Jul 1, 2021 | 7 min read
The Scientist checks in on scientists who switched gears to combat the pandemic.
Helen Murray Free smiling at the camera, wearing a red shirt and black jacket with red trim.
Diabetes Testing Pioneer Helen Free Dies at 98
Lisa Winter | May 5, 2021 | 3 min read
Free’s dip-and-read urinalysis allowed diabetics to monitor glucose levels at home, rather than at a hospital.
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