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Invitrogen Wins US Patent for Dry Cell-Culture Medium

NEW YORK, May 23 - Invitrogen said today it has won a patent in the US for a dry form of cell culture medium.


The patent, No.6,383,810, covers what the company calls Advanced Granulation Technology, which Invitrogen claims is a medium that "produces specific ionic and pH conditions" when reconstituted in water.


AGT media "do not require additional supplementation or pH adjustment ... and reduce he potential for scrap during media preparation," the company said.

The Scan

Could Mix It Up

The US Food and Drug Administration is considering a plan that would allow for the mixing-and-matching of SARS-CoV-2 vaccines and boosters, the New York Times says.

Closest to the Dog

New Scientist reports that extinct Japanese wolf appears to be the closest known wild relative of dogs.

Offer to Come Back

The Knoxville News Sentinel reports that the University of Tennessee is offering Anming Hu, a professor who was acquitted of charges that he hid ties to China, his position back.

PNAS Papers on Myeloid Differentiation MicroRNAs, Urinary Exosomes, Maize Domestication

In PNAS this week: role of microRNAs in myeloid differentiation, exosomes in urine, and more.