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Amsbio Circulating Tumor DNA Reference Standards

Amsbio has launched a new range of circulating tumor DNA reference standards: a set of highly characterized, quantitative multiplex quality controls to support the development of new assays. The standards are engineered to mimic the fragmentation profile of nucleosomal ctDNA (aproximately 166 bp) observed in real patient samples across a range of allele frequencies. Pre-validated by digital PCR, the kits include cancer-associated mutations in EGFR, PIK3CA, NRAS and KRAS, and are available as purified DNA or in a synthetica plasma.

The Scan

Booster Push

New data shows a decline in SARS-CoV-2 vaccine efficacy over time, which the New York Times says Pfizer is using to argue its case for a booster, even as the lower efficacy remains high.

With Help from Mr. Fluffington, PurrhD

Cats could make good study animals for genetic research, the University of Missouri's Leslie Lyons tells the Atlantic.

Man Charged With Threatening to Harm Fauci, Collins

The Hill reports that Thomas Patrick Connally, Jr., was charged with making threats against federal officials.

Nature Papers Present Approach to Find Natural Products, Method to ID Cancer Driver Mutations, More

In Nature this week: combination of cryogenic electron microscopy with genome mining helps uncover natural products, driver mutations in cancer, and more.