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DIY Bis-Tris Gels

Bitesize Bio gives some tips on how to improve your SDS-PAGE protein gels. For many reasons, including the fact that they reduce the formation of disulphide bonds and thereby prevent cross-linking, Bala says Bis-Tris gel buffers work better than the conventional SDS-PAGE gels and gives a quick protocol for how to create them.

The Scan

Gone, But Now Reconstructed SARS-CoV-2 Genomes

In a preprint, a researcher describes his recovery of viral sequences that had been removed from a common database.

Rare Heart Inflammation Warning

The Food and Drug Administration is adding a warning about links between a rare inflammatory heart condition and two SARS-CoV-2 vaccines, Reuters reports.

Sandwich Sampling

The New York Times sent tuna sandwiches for PCR analysis.

Nature Papers Describe Gut Viruses, New Format for Storing Quantitative Genomic Data, More

In Nature this week: catalog of DNA viruses of the human gut microbiome, new dense depth data dump format to store quantitative genomic data, and more.