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Sigma-Aldrich: Mar 6, 2007

Sigma-Aldrich this week launched its QuantiGene 2.0 RNA Quantification System. The product includes an assay kit and probe set that detect gene expression knockdown, providing an approach for RNA quantification.
The QuantiGene 2.0 RNA Quantification System can been used to quantify gene expression in a variety of life science applications, including predictive toxicology, microarray validation, and RNAi knockdown, Sigma said.

The Scan

Dropped Charges

The US Justice Department has dropped visa fraud charges against five Chinese researchers, according to the Wall Street Journal.

More Kids

The Associated Press says Moderna is expanding its SARS-CoV-2 vaccine study to included additional children and may include even younger children.

PNAS Papers on Rat Clues to Human Migration, Thyroid Cancer, PolyG-DS

In PNAS this week: ancient rat genome analysis gives hints to human migrations, WDR77 gene mutations in thyroid cancer, and more.

Purnell Choppin Dies

Purnell Choppin, a virologist who led the Howard Hughes Medical Institute, has died at 91, according to the Washington Post.