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Axon Instruments, NuGen Technologies, Affymetrix, Eppendorf, Linden Bioscience


Axon Instruments is preparing to release an upgrade of its 4200A microarray scanner, the 4200AL model, which will add a 36-slide magazine for autoloading, scanning, and analyzing microarray slide images. The scanner, the company said at the Chips to Hits conference in Boston last week, will have a flexible batch and slide configuration that will allow scanning and analysis parameters for individual slides, sets of slides, or full batches. Pricing details were not disclosed. The autoloader can process a full batch in two colors at 10-micron resolution in five hours, a company spokesman told BioArray News.

NuGen Technologies previewed its Ovation RNA amplification and biotin labeling system, optimized for use on Affymetrix microarrays at Chips to Hits last week. The product, which generates microgram quantities of cDNA using one protocol for all samples, will be commercially available in 2004.

Eppendorf introduced its DualChip low-density DNA microarray at Chips to Hits last week. The array contains a gasket over a barcoded standard format glass slide that divides an array into two parts. The company is offering the product with content for: rat G protein-coupled receptors, human and rat hepato for toxicology and drug development; human aging (240 genes); and human general (202 genes) in its initial foray into offering content.

Linden Bioscience this week introduced its Expression Snapshot mRNA archiving kit, an archival double-stranded DNA representation of original RNA samples that can be stored and retranscribed repeatedly over several months. The kit includes all of the reagents needed to perform the Eberwine mRNA amplification procedure on the samples, including reverse transcription, second strand DNA synthesis, and T7 RNA polymerase transcription.


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.