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BD Biosciences, Genetix


BD Biosciences said last week that it has officially launched the CARV II Confocal Imager.

According to BD, the imager delivers high-resolution CCD confocal imaging in an optical package that can be attached to new or existing microscopes. High-speed multi-pinhole confocal scanning and high quantum efficiency CCD cameras allows recording of images at up to 100 frames per second, BD said. The imager uses a long-life arc lamp excitations source, which allows for confocal imaging from 360 nm to 700 nm. The instrument also offers automation of fluorescence recovery after photobleaching applications, BD said.

Genetix has released ECOS Competent Cells for fast, single-step cell transformation, the company said last week.

The protocol takes just under one minute from addition of DNA to plating, Genetix said, compared with more than 60 minutes using traditional techniques. The product comes in formats to support different throughput levels, and includes single tubes and 12-by-8 tube strips. It also supports full automation on most robotic systems via hard shell 96-well PCR plates, the company said.

The Scan

Two J&J Doses

Johnson & Johnson says two doses of its SARS-CoV-2 vaccine provides increased protection against symptomatic COVID-19, CNN reports.

Pfizer-BioNTech Vaccine Response in Kids

The Pfizer-BioNTech SARS-CoV-2 vaccine in a lower-dose format appears to generate an immune response among children, according to the Washington Post.

Chicken Changes to Prevent Disease

The Guardian writes that researchers are looking at gene editing chickens to help prevent future pandemics.

PNAS Papers on Siberian Dog Ancestry, Insect Reproduction, Hippocampal Neurogenesis

In PNAS this week: ancestry and admixture among Siberian dogs, hormone role in fruit fly reproduction, and more.