Close Menu

sample collection

More than 70 percent of labs surveyed experienced supply chain interruptions, forcing them to validate three or more diagnostic testing methods.

Replacing nasopharyngeal swabs with saliva samples or nasal swabs could increase throughput and convenience, as well as relieve reagent and equipment shortages.

Several labs and at least one company have been working on assays that add samples directly to the PCR reaction and don't require RNA extraction, a time-consuming step.

Clinical investigators have used Longhorn Vaccines and Diagnostics' qPCR approach in a study to detect M. tuberculosis DNA in the mouths of people at high risk for subclinical TB.

The team evaluated BSTs from Norgen, Streck, Roche Diagnostics and PreAnalytix, and said Norgen's was the best in terms of genetic material storage.

Alliance Global will distribute Mawi's iSWAB biosampling technologies to the Middle East, Africa, and parts of Central and South Asia.

The method, called negative enrichment, protects DNA regions of interest prior to degrading the surrounding DNA, making the target fragments easier to read. 

Biomatrica's sample collection tubes ensure quality preservation of circulating tumor DNA and cells, promoting high-quality liquid biopsy results, Exact said.

Centogene will collect dried blood spot samples and perform genetic analysis to find and recruit Parkinson's disease patients for Denali's LRRK2 inhibitor trials.

VWR will act as the exclusive distributor for Biocept's liquid biopsy blood collection tubes everywhere in the world except China.

Pages

The US Food and Drug Administration is to announce stricter standards for emergency authorizations of SARS-CoV-2 vaccines, reports the Washington Post.

The Associated Press reports Johnson & Johnson is starting a late-stage clinical trial of its candidate SARS-CoV-2 vaccine.

Bloomberg reports the budget of Operation Warp Speed is actually $18 billion, higher than the number typically cited.

In Genome Research this week: genomic analysis reveals role of super-spreaders in SARS-CoV-2, epigenetic drivers of cancer, and more.