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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.

diagnostics

Eytan Stibbe wears a headset and a blue shirt while surrounded by computers and other equipment on the International Space Station.
Whenever, Wherever: Taking DNA Amplification Outside the Lab
Hannah Thomasy, PhD | Dec 4, 2023 | 10 min read
Recombinase polymerase amplification lets researchers rapidly replicate DNA in the clinic, in the field, or even in the International Space Station.
Accessible Lateral Flow Assays: Test to Treat, Test to Protect
Deanna MacNeil, PhD | Oct 18, 2023 | 3 min read
From development to implementation, Rosanna Peeling discusses the importance of rapid tests for public health.
Learn how recombinant proteins move the diagnostic industry forward
Emergent Recombinant Proteins in Clinical Diagnostics
Scripps Laboratories | 1 min read
A new era of reliable recombinant proteins makes it possible for researchers to replace tissue-derived biomarkers in a variety of diagnostic assays.
Line drawings of Moungi Bawendi (left), Louis Brus (center), and Alexei Ekimov (right) from the shoulders up.
Nobel Prize in Chemistry for Quantum Dots
Hannah Thomasy, PhD | Oct 4, 2023 | 3 min read
Moungi Bawendi, Louis Brus, and Alexei Ekimov were awarded the Nobel Prize for their work on quantum dots, which has applications in electronics and biomedicine.
Erkin Kuru (left) and Helena de Puig (right).
Lighting Up Diagnostics
Danielle Gerhard, PhD | Sep 8, 2023 | 6 min read
Brought together by a shared interest in synthetic biology and diagnostics, two researchers are transforming how we label biomolecules.
Learn How Multiomics Drives Biotherapeutic Discovery and Development
Advancing Biotherapeutics with Multiomics
The Scientist and Tecan | 1 min read
Explore how biomolecular processes drive health and disease.
Illustration showing how this new novel nanotechnology simultaneously ‘fishes’ for multiple viruses or viral variants using different DNA nanobait that are designed to target specific viral sequences.
Fishing for Viruses With DNA Nanobait
Danielle Gerhard, PhD | Sep 1, 2023 | 2 min read
Scientists developed a novel nanotechnology that simultaneously detects multiple viruses from patient samples in less than an hour.
A vet and technician take a sample from a dog for use in PetDx’s OncoK9 test, which screens cell-free DNA for genomic alterations associated with cancer.
The Pet Health Industry Takes on Canine Cancer
Diana Kwon | Oct 17, 2022 | 9 min read
Advanced genomic tools have provided biotech companies new approaches to help our furry friends—but experts say several limitations remain.
Why Automation Is a Necessity for Clinical Diagnostics
Bringing Fluency to Clinical Diagnostics Through Automation 
Tecan | 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.
Tumor microbiome composite
Could Cancer’s Microbiome Help Diagnose and Treat the Disease?
Jef Akst | Mar 14, 2022 | 10+ min read
A growing appreciation of the bacterial assemblages that live within tumors has researchers striving to understand and capitalize on their role.
Discover How to Design Sensitive Nucleic Acid Lateral Flow Assays
Go with the Flow: Adapting Lateral Flow Assays for Nucleic Acid Detection
The Scientist and nanoComposix | 1 min read
Scientists incorporate sensitive nanoparticles to rapidly detect DNA and RNA.
Illustration showing microbial signatures of cancer in the body
Infographic: Putting Cancer’s Unique Microbiomes to Use
Jef Akst | Mar 14, 2022 | 1 min read
From diagnosis to tracking treatment responses, bacteria and other microbes in the blood, gut, and tumors of cancer patients may provide helpful hints for improving their care.
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.
Improve qPCR Efficiency and Reproducibility
The Components of Effective qPCR
The Scientist and Bio-Rad Laboratories | 1 min read
Putting the pieces together for molecular diagnostics and infectious disease research
A Theranos sign outside the company's headquarters
Theranos Founder Elizabeth Holmes Convicted of Fraud
Amanda Heidt | Jan 4, 2022 | 4 min read
After a week of deliberation, a jury returned a guilty verdict on four charges related to wire fraud, each of which carries a maximum sentence of up to 20 years in prison.
Top 10 Innovations 2021
2021 Top 10 Innovations
The Scientist | Dec 1, 2021 | 10+ min read
The COVID-19 pandemic is still with us. Biomedical innovation has rallied to address that pressing concern while continuing to tackle broader research challenges.
gold nanoshells
Getting More Lateral Flow Test Sensitivity with Nanoshell Probes
The Scientist and nanoComposix | 3 min read
Silica-gold nanoshells highlight how good probe design can boost assay performance.
orange and blue cell image
Woman’s Body Appears to Rid Itself of HIV
Chloe Tenn | Nov 18, 2021 | 3 min read
Researchers report what appears to be the second case of a person’s immune system clearing the virus on its own.
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