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Product Watch: Jun 2, 2011

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Thermo Fisher Scientific this week launched the KingFisher Duo nucleic acid purification system.

The low- to medium-throughput system includes the KingFisher magnetic particle processor instrument, optimized DNA/RNA isolation kits, plastic consumables, and the Thermo Scientific BindIt software.

The system is designed to provide a flexible, fully-automated workflow, and has a compact footprint, making it ideal for space-restricted laboratories.

It can process a variety of sample types in volumes up to 5 mL; and can be modified for use in proteomics and cell isolation, the company said.


Singapore's Esco has launched the Spectrum 96 real-time thermal cycler.

The instrument features an 8-channel and six-color optical configuration designed to provide access to a broader range of fluorophores; and its custom Peltier heating element optimizes thermal cycling in 96 wells with 0.2 mL tubes, the company said.

Also, the Spectrum 96 features a bottom detection system for improved sensitivity; a highly sensitive PMT detector; and is compatible with multiple generic consumables and reagents, the company said.


Qiagen has launched the qBiomarker somatic mutation PCR array system, designed for rapid and accurate mutation profiling in basic research and drug development.

The assays consist of collections of pathway- or cancer-specific assays in 96- or 384-well plate formats with a number of cancer types and pathways, such as EGFR and ErbB2.

Laboratory experiments have shown that the PCR arrays provide a sensitivity of as low as 1 to 2 percent mutant DNA in a background of wild-type DNA, Qiagen said. Experiments require approximately two hours from sample to result, and comprise the steps of DNA extraction from a sample, amplification (if necessary), and PCR array cycling and analysis using any block-based real-time cycler, the company said.


Exiqon has launched an additional qPCR array for quantifying 749 mouse and rat microRNAs.

The new panel complements an earlier array sold by Exiqon, and contains primer sets for the most important mouse and rat microRNAs not available on the company's previous chip. According to the firm's website, it is priced at €721 ($1,037).

The Scan

Shape of Them All

According to BBC News, researchers have developed a protein structure database that includes much of the human proteome.

For Flu and More

The Wall Street Journal reports that several vaccine developers are working on mRNA-based vaccines for influenza.

To Boost Women

China's Ministry of Science and Technology aims to boost the number of female researchers through a new policy, reports the South China Morning Post.

Science Papers Describe Approach to Predict Chemotherapeutic Response, Role of Transcriptional Noise

In Science this week: neural network to predict chemotherapeutic response in cancer patients, and more.