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GE Healthcare, LI-COR Biosciences

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GE Healthcare this week introduced the HiPrep Sephacryl S-400 and HiPrep Sephacryl S-500 HR pre-packed columns.
 
The columns offer a “fast, reproducible, and convenient” solution for purifying large proteins, polysaccharides, and macromolecules with extended structures, the company said in a statement. The columns are available in two sizes — 16/60 for sample volumes up to 5 milliliters, and 26/60 for sample volumes up to 13 milliliters.
 

 
LI-COR Biosciences this week launched the Odyssey Two-Color Protein Molecular Weight Marker for detection on the Odyssey Infrared Imaging system.
 
The marker is pre-stained and fluoresces in the 700 and 800 nm channels of the Odyssey system. The marker is designed for use with polyacrylamide gels and can be used to visualize the progress of protein separation during electrophoresis. It contains 10 proteins in sizes from 10 kDA to 250 kDa.

The Scan

Study Finds Sorghum Genetic Loci Influencing Composition, Function of Human Gut Microbes

Focusing on microbes found in the human gut microbiome, researchers in Nature Communications identified 10 sorghum loci that appear to influence the microbial taxa or microbial metabolite features.

Treatment Costs May Not Coincide With R&D Investment, Study Suggests

Researchers in JAMA Network Open did not find an association between ultimate treatment costs and investments in a drug when they analyzed available data on 60 approved drugs.

Sleep-Related Variants Show Low Penetrance in Large Population Analysis

A limited number of variants had documented sleep effects in an investigation in PLOS Genetics of 10 genes with reported sleep ties in nearly 192,000 participants in four population studies.

Researchers Develop Polygenic Risk Scores for Dozens of Disease-Related Exposures

With genetic data from two large population cohorts and summary statistics from prior genome-wide association studies, researchers came up with 27 exposure polygenic risk scores in the American Journal of Human Genetics.