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Packaging stem cells in capsules for heart therapy

In many studies of stem cell therapy for heart disease, most of the cells wash away in the first hour. Researchers at Emory and Georgia Tech encapsulate mesenchymal stem cells in alginate so that the cells stay alive and in the heart. In rats, the capsules promote healing after a heart attack. Alginate has several biomedical uses already so the path to translation looks good.

Posted: Oct 11th, 2013

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Unlocking biology with math

Researchers develop a first-of-its-kind mathematical model for the biological process that keeps your immune system working.

Posted: Oct 7th, 2013

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Salt-tolerant bacteria improve crop yields

Uzbek microbiologist Dilfuza Egamberdieva hopes to apply her new agricultural technique soon in Uzbekistan to boost the yield of economically important crops such as wheat, cotton, tomato and cucumber.

Posted: Oct 7th, 2013

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Stem cells engineered to become targeted drug factories

A group of researchers have found a way to use stem cells as drug delivery vehicles. The researchers inserted modified strands of messenger RNA into connective tissue stem cells - called mesenchymal stem cells - which stimulated the cells to produce adhesive surface proteins and secrete interleukin-10, an anti-inflammatory molecule.

Posted: Oct 4th, 2013

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Laser propelled cells

A new tool enables biomechanical studies of individual cells: Red blood cells were laser-propelled over long distances through optofluidic photonic crystal fibers and their deformation due to shear forces monitored.

Posted: Oct 2nd, 2013

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Need different types of tissue? Just print them!

What sounds like a dream of the future has already been the subject of research for a few years: simply printing out tissue and organs. Now scientists have further refined the technology and are able to produce various tissue types.

Posted: Oct 1st, 2013

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Synthetic biologists probe biochar's impact on microbial signaling

In the first study of its kind, Rice University scientists have used synthetic biology to study how a popular soil amendment called 'biochar' can interfere with the chemical signals that some microbes use to communicate. The class of compounds studied includes those used by some plant pathogens to coordinate their attacks.

Posted: Sep 30th, 2013

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How does nanotechnology work?