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Science News for January 17, 2007


A new generation of medicinal products

Researchers have created a new generation of medicinal products using biodegradable materials, allowing for controlled release and reduced side effects. The novel synthetic process enables the production of diverse polymers, increasing the chances of finding an appropriate excipient for various active substances.

SourceCNRS·JournalJournal of the American Chemical Society·DateJan 17, 2007

Studies yield insight into the numerical brain

Two studies in Neuron shed significant light on how the brain processes numerical information and how it develops in children. The research found that the parietal cortex activates during perception of both abstract quantities and numerical symbols, suggesting an important role for this region in processing quantitative information.

SourceCell Press·JournalNeuron·DateJan 17, 2007

Parasite infection may benefit MS patients

A recent study suggests that parasite infection may alter the course of multiple sclerosis (MS) by affecting the immune response. MS patients with a parasite infection showed fewer clinical relapses and less disability compared to uninfected controls.

SourceWiley·JournalAnnals of Neurology·DateJan 17, 2007

Toward more effective paleolgenetic analysis

Paleogenetic research requires well-preserved archeological material, but treatment and storage conditions can deteriorate DNA. A new study shows that treating fossils like biological samples during excavation and after improves DNA amplification rates.

SourceCNRS·JournalProceedings of the National Academy of Sciences·DateJan 17, 2007

Prussian Blue for information storage

Researchers created a compound that can switch between magnetic states upon light exposure, enabling binary information storage on an atomic scale. This breakthrough could lead to the development of ultra-small data storage devices for future computers.

SourceCNRS·DateJan 17, 2007