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Dolomite Bio Injection Valve and Sample Loop

Dolomite Bio has launched a Injection Valve and Sample Loop for single cell RNA sequencing workflows. The product is a complete four-way valve module which allow barcoded mRNA capture beads in lysis buffer to efficiently flow through the RNA-Seq chip. Its design and simple microfluidic connections enable seamless switching between the injection of the bead suspension and pumping of a driving fluid. This produces minimal dead volume and bead wastage compared to traditional syringe pump methods, the company said.

The Scan

Push Toward Approval

The Wall Street Journal reports the US Food and Drug Administration is under pressure to grant full approval to SARS-CoV-2 vaccines.

Deer Exposure

About 40 percent of deer in a handful of US states carry antibodies to SARS-CoV-2, according to Nature News.

Millions But Not Enough

NPR reports the US is set to send 110 million SARS-CoV-2 vaccine doses abroad, but that billions are needed.

PNAS Papers on CRISPR-Edited Cancer Models, Multiple Sclerosis Neuroinflammation, Parasitic Wasps

In PNAS this week: gene-editing approach for developing cancer models, role of extracellular proteins in multiple sclerosis, and more.