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Thermo Fisher Scientific Applied Biosystems PowerTrack SYBR Green PCR Master Mix

Thermo Fisher Scientific has released the Applied Biosystems PowerTrack SYBR Green PCR Master Mix. It is designed for real-time PCR workflows and is compatible with all qPCR instruments. It contains a two-color tracking dye system to help researchers keep track of where they have pipetted. The mix uses an antibody-mediated hot-start mechanism to control activation of the Taq enzyme. It also includes UNG and dUTP enzymes to prevents previously amplified PCR products from contaminating subsequent qPCR reactions. The mix provides results ranging from 0.1 pg to 100 ng of complementary DNA per reaction and can be used in standard or fast cycling mode.

The Scan

Tens of Millions Saved

The Associated Press writes that vaccines against COVID-19 saved an estimated 20 million lives in their first year.

Supersized Bacterium

NPR reports that researchers have found and characterized a bacterium that is visible to the naked eye.

Also Subvariants

Moderna says its bivalent SARS-CoV-2 vaccine leads to a strong immune response against Omicron subvariants, the Wall Street Journal reports.

Science Papers Present Gene-Edited Mouse Models of Liver Cancer, Hürthle Cell Carcinoma Analysis

In Science this week: a collection of mouse models of primary liver cancer, and more.