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New anti-blood-thinning drug not as safe as protamine

The results of an international clinical trial led by Duke University Medical Center researchers has shown that a new drug is not a suitable replacement for protamine, a drug that has been used for more than 40 years after coronary artery bypass surgery to return thinned blood to its normal state.

While protamine is effective in reversing the blood-thinning properties of heparin, recent studies have shown that its use can cause changes in blood pressure which have been link

NASA Develops a Nugget to Search for Life in Space

Astrobiologists, who search for evidence of life on other planets, may find a proposed Neutron/Gamma ray Geologic Tomography (NUGGET) instrument to be one of the most useful tools in their toolbelt.

As conceived by scientists at the Goddard Space Flight Center (GSFC) in Greenbelt, Md., NUGGET would be able to generate three-dimensional images of fossils embedded in an outcrop of rock or beneath the soil of Mars or another planet. Tomography uses radiation or sound waves to look i

Researchers pinpoint genes that drive spread of breast cancer to lungs

Search for a special ’genetic endowment’ snares new cancer candidates

Howard Hughes Medical Institute researchers have identified a telltale set of genes that causes breast cancer to spread and grow in the lungs, where cancer cells often flourish with lethal consequences.

The researchers said that the genes are more than markers that identify the presence of metastatic cancer. These genes are mediators that enable fragments of breast cancer tumors to take root

Optical Temperature Sensor

Temperature sensor based upon optical prinvipal with microscopic dimension.Further Information: PDF rubitec – Gesellschaft für Innovation und Technologie der…

Efficient Key-Agreement for Broadcast-Transmission

To overcome the problem of transmitting data to a group of receivers in a way that only the correct subset of all possible receivers can decrypt the data, a…

Synthetic Inhibitors for Ras-Raf Mediated Signal Transduction

Scientists of the Ruhr-University Bochum have identified new potential inhibitors which prevent in a specific manner the binding of Raf-Kinase to the…

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